Grant of Restricted Stock Units . The Company hereby grants to the Participant the Restricted Stock Unit Award consisting of [ ●] Restricted Stock Units.

Dividend Equivalents . Each Restricted Stock Unit shall be credited with dividend equivalents (the “ Dividend Equivalents ”) in an amount, without interest, equal to the cumulative cash and stock dividends declared or paid on a share Common Stock, if any, following the Date of Grant and prior to the date the Restricted Stock Unit is settled in accordance with Section  5 .

Incorporation by Reference . The provisions of the Plan are incorporated herein by reference. Except as otherwise expressly set forth herein, this Agreement shall be construed in accordance with the provisions of the Plan and any capitalized terms not otherwise defined in this Agreement shall have the definition set forth in the Plan. The Administrator shall have the authority to interpret and construe the Plan and this Agreement and to make any and all determinations thereunder, and its decision shall be binding and conclusive upon the Participant and his or her legal representative in respect of any questions arising under the Plan or this Agreement.

Vesting of Restricted Stock Units . The Restricted Stock Units are restricted in that they are forfeitable and may not be sold, transferred or otherwise alienated or hypothecated (the “ Restrictions ”) until they become vested and shares of Common Stock are delivered pursuant to Section  5 following removal or expiration of the Restrictions. Subject to (i) the Participant’s Continuous Service through the applicable Vesting Date (as defined below) and (ii) compliance with the terms and conditions of this Agreement (including without limitation, the restrictive covenants set forth in Appendix A ), the Restrictions will expire and the Restricted Stock Units will become nonforfeitable and vested as to one-third (1/3) of the Restricted Stock Units on each anniversary of the Date of Grant (each, a “ Vesting Date ”). Notwithstanding the above, to the extent Participant is a party to an employment agreement with the Company (an “ Employment Agreement ”) which provides for accelerated vesting in additional or different circumstances, Participant’s Restricted Stock Units will vest in accordance with the provisions thereof.

Settlement .

Amount . For each vested Restricted Stock Unit, the Company will deliver one share of Common Stock plus a cash amount equal to the aggregate Dividend Equivalents, if any, for such vested Restricted Stock Unit, in each case less any applicable withholding. The value of any fractional Restricted Stock Unit shall be rounded down at the time shares of Common Stock are issued. Neither fractional shares of Common Stock nor the cash value of any fractional shares of Common Stock will be issuable or payable pursuant to this Agreement. Neither the value of shares of Common Stock nor the value of Dividend Equivalents shall bear any interest owing to the passage of time. Neither this Section  5 nor any action taken in accordance with this Section  5 shall be construed to create a trust or a funded or secured obligation of any kind.

Timing . Delivery in respect of the vested Restricted Stock Units and any associated Dividend Equivalents will be made as soon as administratively practicable following the Vesting Date, but in no event more than sixty 60 days following the Vesting Date. Such delivery shall be subject to the Participant’s continued compliance with the restrictive covenants set forth in Appendix A .

Termination of Continuous Service . Subject to Section  7(b) , or as otherwise provided in the Participant’s Employment Agreement, or as may otherwise be determined by the Board in its discretion, all unvested Restricted Stock Units shall be forfeited upon termination of the Participant’s Continuous Service for any reason.

Change of Control .

Notwithstanding Section 4, to the extent vesting would not otherwise occur in connection with same, the Board may, in its sole discretion, accelerate the vesting of the Restricted Stock Units in connection with a Change of Control (as defined below).

Notwithstanding anything to the contrary in this Agreement, if the Participant’s Continuous Service is terminated (i) by the Company other than due to a termination for Cause (as defined below) or (ii) by the Participant due to a termination for Good Reason (as defined below), in each case within twelve (12) months following a Change of Control, all unvested Restricted Stock Units shall vest and be settled in accordance with Section  5 .

“ Change of Control ” means:

except as provided below, the consummation of a merger, consolidation, statutory share exchange or similar form of corporate transaction or event (a “ Business Combination ”) involving the Company, unless immediately following such Business Combination: (A) the holders of the Company’s voting securities immediately prior to the Business Combination hold at least 50% of the total voting power of (y) the entity resulting from such Business Combination (the “ Surviving Entity ”) or (z) if applicable, the parent company that directly or indirectly has beneficial ownership of at least 95% of the voting power, and (B) at least a majority of the members of the board of directors of the parent (or, if there is no parent, the Surviving Entity) following the consummation of the Business Combination were Incumbent Directors (as defined below) at the time of the Board’s approval of the execution of the initial agreement providing for such Business Combination;

the consummation of a sale of all or substantially all of the Company’s assets (other than to Platinum Equity Advisors, LLC or any of its controlled affiliates (collectively, “ Platinum ”)); or

the stockholders of the Company approve a plan of complete dissolution or liquidation of the Company.

“ Incumbent Director ” means an individual who is a member of the Board as of the effective date of the Plan or who becomes a member of the Board subsequent to the effective date of the Plan and whose election or nomination for election is approved by a vote of at least two-thirds of the Incumbent Directors then on the Board (either by a specific vote or by approval of the Company proxy statement in which such person is named as a nominee for director, without written objection to such nomination); provided, however, that no individual initially elected or nominated as a director of the Company as a result of an actual or publicly threatened election contest with respect to directors or as a result of any other actual or publicly threatened solicitation of proxies by or on behalf of any person other than the Board will be deemed to be an Incumbent Director.

“ Cause ” has the meaning set forth in the Participant’s Employment Agreement or, if the Participant is not party to an Employment Agreement that defines such term, any of the following: (i) gross negligence in the performance of Participant’s duties, (ii) willful failure to perform Participant’s duties (other than such failure resulting from the Participant’s incapacity due to physical or mental illness) that the Participant fails to remedy to the reasonable satisfaction of the Company within thirty (30) days after written notice is delivered by the Company to the Participant that sets forth the basis of the Participant’s failure to perform his or her duties, (iii) willful engagement in conduct which is, or can reasonably be expected to be, materially injurious to the Company or its subsidiaries (monetarily or otherwise) or (iv) conviction of, or plea of guilty or no contest to, a misdemeanor involving moral turpitude or any felony.

“ Good Reason ” has the meaning set forth in the Participant’s Employment Agreement or, if the Participant is not party to an Employment Agreement that defines such term, any of the following:

a material diminution in the Participant’s base salary (except in conjunction with an across-the-board base salary reduction that affects similarly situated employees of the Company), authority, duties or responsibilities from those in effect immediately prior to the date a Change of Control occurs;

a move of more than fifty (50) miles in the geographic location at which the Participant must perform services from the location at which the Participant was required to perform services immediately prior to the date a Change of Control occurs; or

any other action or inaction by the Company that constitutes a material breach of the Plan or this Agreement within one (1) year following a Change of Control.

Tax Withholding . The Company shall have the right to withhold from any delivery of Common Stock or cash due under the Plan and this Agreement to satisfy any federal, state or local tax withholding obligation in accordance with and pursuant to Section  10.6 of the Plan.

No Rights as Stockholder . The Participant shall have no rights as a stockholder with respect to the shares of Common Stock underlying the Restricted Stock Units unless and until the Participant has become the record holder of such shares.

Restrictive Covenants . The provisions of the attached Appendix A , which are deemed to be part of this Agreement as if fully set forth herein, shall apply to the Participant. By accepting this Agreement, the Participant agrees to be bound by, and promises to abide by, such provisions. The Participant further acknowledges and agrees that the restrictive covenants contained in Appendix A are reasonable and enforceable in all respects.

Detrimental Activity .

Upon delivery of Common Stock in respect of vested Restricted Stock Units, the Participant shall certify in a manner acceptable to the Company that the Participant has not engaged in any Detrimental Activity (as defined below).

The Administrator may cancel, rescind, suspend, withhold or otherwise limit or restrict this Restricted Stock Unit Award, in whole or in part, at any time if the Participant engages in any Detrimental Activity.

In the event a Participant engages in Detrimental Activity after delivery of Common Stock in respect of vested Restricted Stock Units and during any period for which any restrictive covenant prohibiting such activity is applicable to the Participant, such delivery may be rescinded within one (1) year after the Participant engages in such Detrimental Activity. In the event of any such rescission, the Participant shall pay to the Company the amount of any gain realized or payment received as a result of the delivery, in such manner and on such terms and conditions as may be required by the Company. The Company shall be entitled to set-off against the amount of any such gain any amount owed to the Participant by the Company, subject to compliance with Section 409A of the Code, if applicable.

“ Detrimental Activity ” means (i) any violation of the terms of any written agreement (including this Agreement, any other award agreement, the Employment Agreement or other agreement) with the Company or any of its Affiliates relating to covenants with respect to non-disclosure, confidentiality,

Compliance with Laws, Regulations and Company Policies . The grant and payment of the Restricted Stock Units shall be subject to compliance by the Company and the Participant with all applicable requirements of state and federal laws and regulatory agencies and with all applicable requirements of any stock exchange on which the Common Stock may be listed at the time of such issuance or transfer, if applicable. This Restricted Stock Unit Award shall also be subject to any applicable clawback or recoupment policies, share trading and stock ownership policies of the Company, and other policies that may be implemented by the Board from time to time.

Section  409A . Any amounts payable with respect to the Restricted Stock Units are intended to be exempt from Section 409A of the Code in reliance on the short-term deferral exemption set forth in the final regulations issued thereunder. If any amounts payable with respect to the Restricted Stock Units are determined to be subject to Section 409A of the Code, such payments may only be made under this Agreement upon an event and in a manner permitted by Section 409A of the Code. All payments to be made upon a termination of employment may only be made upon a “separation from service” under Section 409A of the Code. For purposes of Section 409A of the Code, each payment shall be treated as a separate payment. In no event may the Participant, directly or indirectly, designate the calendar year in which the payments under this Agreement will be made. Notwithstanding anything in this Agreement to the contrary, if the Participant is a “specified employee” as defined by Section 409A of the Code, then if and to the extent required by Section 409A of the Code, any payment with respect to the Restricted Stock Units upon a separation from service will not be made before the date that is six (6) months after the Participant separates from service or such earlier date permitted by Section 409A of the Code.

No Right to Continuous Service . Nothing herein alters the at-will nature of the Participant’s employment with the Company or any of its subsidiaries. Nothing in this Agreement shall be deemed by implication or otherwise to impose any limitation on any right of the Company or any of its Affiliates to terminate the Participant’s Continuous Service at any time.

Notices . All notices, demands and other communications provided for or permitted hereunder shall be made in writing and shall be by registered or certified first class mail, return receipt requested, facsimile transmission, courier service or personal delivery:

Bound by Plan . By accepting this Agreement, the Participant acknowledges that the Participant has received a copy of the Plan and has had an opportunity to review the Plan and agrees to be bound by all of the terms and provisions of the Plan.

Beneficiary . The Participant may file with the Administrator a written designation of a beneficiary on such form as may be prescribed by the Administrator and may, from time to time, amend or revoke such designation. If no designated beneficiary survives the Participant, the legal representative of the Participant’s estate shall be deemed to be the Participant’s beneficiary.

Successors . The terms of this Agreement shall be binding upon and inure to the benefit of the Company, its successors and assigns, and on the Participant and the Participant’s executors, administrators, heirs, and successors.

Amendment of Restricted Stock Unit Award . Subject to Section  20 of this Agreement and subject to the terms of the Plan, the Administrator at any time and from time to time may amend the terms of this Restricted Stock Unit Award; provided , however , that the Participant’s rights under this Restricted Stock Unit Award shall not be impaired by any such amendment unless the Company requests the Participant’s consent and the Participant consents in writing, or except as otherwise permitted under the Plan.

Adjustment Upon Changes in Capitalization . The shares of Common Stock underlying the Restricted Stock Units may be adjusted as provided in the Plan including, without limitation, Section  11 of the Plan. The Participant, by accepting this Agreement, irrevocably and unconditionally consents and agrees to any such adjustments as may be made at any time hereafter.

Governing Law and Venue . The provisions of this Agreement shall be construed and enforced in accordance with the laws and decisions of the State of Delaware, without regard to such state’s conflict of law principles. Any dispute or conflict between the parties shall be brought in a state or federal court located in Wilmington, Delaware. The parties hereto submit to jurisdiction and venue in Wilmington, Delaware and all objections to such venue and jurisdiction are hereby waived.

Severability . If any provision of this Agreement or any part of any provision of this Agreement is determined to be unenforceable for any reason whatsoever, it shall be severable from the rest of the Agreement and shall not invalidate or affect the other portions or parts of this Agreement, which shall remain in full force and effect. Furthermore, each covenant contained in this Agreement shall stand independently and be enforceable without regard to any other covenants or to any other provisions of this Agreement.

Waiver . The waiver by the Company of a breach of any provision contained in this Agreement shall not operate or be construed as a waiver of any subsequent breach or as a waiver of any other provisions of this Agreement.

Headings . The headings of the Sections hereof are provided for convenience only and are not to serve as a basis for interpretation or construction, and shall not constitute a part of this Agreement.

Counterparts . This Agreement may be executed in one or more counterparts, each of which shall constitute an original and all of which together shall constitute one instrument. Delivery of an executed counterpart of this Agreement by facsimile or portable document format (.pdf) attachment to electronic mail shall be effective as delivery of a manually executed counterpart of this Agreement.

No Liability for Good Faith Determinations . The Company and the members of the Board shall not be liable for any act, omission or determination taken or made in good faith with respect to this Agreement or the Restricted Stock Units granted hereunder.

Consent to Electronic Delivery; Electronic Signature . In lieu of receiving documents in paper format, the Participant agrees, to the fullest extent permitted by law, to accept electronic delivery of any documents that the Company may be required to deliver (including, but not limited to, prospectuses, prospectus supplements, grant or award notifications and agreements, account statements, annual and quarterly reports and all other forms of communications) in connection with this and any other award made or offered by the Company. Electronic delivery may be via a Company electronic mail system or by reference to a location on a Company intranet to which the Participant has access. The Participant hereby consents to any and all procedures the Company has established or may establish for an electronic signature system for delivery and acceptance of any such documents that the Company may be required to deliver, and agrees that his or her electronic signature is the same as, and shall have the same force and effect as, his or her manual signature.

[Name]

[Address]

the Participant shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that is: (i) made (A) in confidence to a federal, state or local government official, either directly or indirectly, or to an attorney, and (B) solely for the purpose of reporting or investigating a suspected violation of law; (ii) made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal; or (iii) protected under the whistleblower provisions of applicable law;

in the event the Participant files a lawsuit for retaliation by the Company or any of its subsidiaries for the Participant’s reporting of a suspected violation of law, the Participant may (i) disclose a trade secret to the Participant’s attorney and (ii) use the trade secret information in the court proceeding related to such lawsuit, in each case, if the Participant (A) files any document containing such trade secret under seal; and (B) does not otherwise disclose such trade secret, except pursuant to court order; and

nothing shall prevent the Participant from lawfully, and without obtaining prior authorization from the Company or any of its subsidiaries, (i) initiating communications directly with, cooperating with, providing information to, causing information to be provided to, or otherwise assisting in an investigation by the U.S. Securities and Exchange Commission (the “ SEC ”) or any other governmental or regulatory agency, entity, or official(s) (collectively, “ Governmental Authorities ”) regarding a possible violation of any law; (ii) responding to any inquiry or legal process directed to an employee individually from any Governmental Authority; (iii) testifying, participating or

In granting the Restricted Stock Unit Award to the Participant, the Company provides the Participant a further incentive to build the Company’s goodwill and links the Participant’s interests to the Company’s long-term business interests. As an inducement for the Company to grant the Restricted Stock Unit Award and enter into this Agreement,

The Participant agrees that during the Prohibited Period, the Participant shall not, without prior written approval of the Company, directly or indirectly, for the Participant, or on behalf of or in conjunction with any other person or entity of whatever nature:

engage in or carry on within the Market Area in competition with the Company or any of its subsidiaries in any aspect of the Business, which prohibition shall prevent the Participant from directly or indirectly: (A) owning, managing, operating, becoming an officer or director of any person or entity primarily engaged in, or planning to primarily engage in, the Business in the Market Area in competition, or anticipated competition, with the Company or any of its subsidiaries, or (B) in the Market Area, joining, becoming employee or consultant of, or otherwise being affiliated with any person or entity primarily engaged in, or planning to primarily engage in, the Business in the Market Area in competition, or anticipated competition, with the Company or any of its subsidiaries (in each case, with respect to this clause (B), in any capacity in which the Participant’s duties are the same or similar to those performed for the Company or any of its subsidiaries) – for purposes of this provision, “primarily engage” means that at least twenty percent (20%) of the gross revenue of a person or entity’s business is from business directly competitive with the Business;

appropriate any Business Opportunity of, or relating to, the Company or any of its subsidiaries located in the Market Area;

within the Market Area, solicit, canvass, approach, encourage, entice or induce any customer or supplier of the Company or any of its subsidiaries with whom or which the Participant had contact in the last 24 months of his or her employment with the Company or its subsidiaries or about whom or which the Participant obtained Confidential Information to cease or lessen such customer’s or supplier’s business with the Company or any of its subsidiaries in the Business; or

solicit, canvass, approach, encourage, entice or induce any employee or contractor of the Company or any of its subsidiaries to terminate his, her or its employment or engagement therewith, excluding general advertisements and solicitations not targeted at the employees or contractors of the Company or its subsidiaries.

Notwithstanding the above-referenced limitations in Sections 4(b)(i), 4(b)(ii) and 4(b)(iii) , such limitations shall not apply following the termination of the Participant’s employment with the Company and (as applicable) any of its

For purposes of this Section  4 , the following terms shall have the following meanings:

“ Business ” means the business and operations that are the same or similar to those performed by the Company or any of its subsidiaries and for which the Participant obtained Confidential Information or had direct or indirect responsibilities during the period of the Participant’s employment with the Company or any of its subsidiaries, which business and operations include (if Participant obtained Confidential Information or had direct or indirect responsibilities with respect to such business and operations on behalf of the Company or any of its subsidiaries during the period of his or her employment): rig-based and coiled tubing-based well maintenance and workover services, well completion and recompletion services, fluid management services, and fishing and rental services.

“ Business Opportunity ” shall mean any commercial, investment or other business opportunity relating to the Business.

“ Market Area ” means: onshore land areas in the Continental United States in (a) each county in which the Participant was based or performed material services on behalf of the Company or any of its subsidiaries; and (b) each of the following basins and oil and gas shale plays: Bakken, Barnett, Denver-Julesberg, Eagle Ford, Fayetteville, Granite Wash, Haynesville, Marcellus, Mississippi Lime, Niobrara, Permian, Powder River, SCOOP, STACK, Tuscaloosa, Williston, and Woodford; provided, however , a basin or play shall not be included within the Market Area if: (1) the Participant had no direct or indirect responsibilities with respect to such basin or play during the last 24 months of the Participant’s employment or engagement with the Company or any of its subsidiaries, or (2) the Participant obtained no Confidential Information with respect the Company’s or any of its subsidiaries’ Business in such basin or play.

“ Prohibited Period ” shall mean the period during which the Participant is employed by the Company or any of its subsidiaries and continuing for a period of twelve (12) months following the date that the Participant is no longer employed by the Company or any of its subsidiaries.

Grant of Restricted Stock Units; Stockholder Approval Requirement . The Company hereby grants to the Participant the Restricted Stock Unit Award consisting of [ ●] Restricted Stock Units, effective as of and contingent upon approval of the Plan by the Company’s stockholders at the 2019 Annual Meeting. If the stockholders do not approve the Plan at the 2019 Annual Meeting, then this Agreement shall be null and void and the Participant shall have no rights or interests of any kind with respect to the Restricted Stock Units, their associated Dividend Equivalents or the shares of common stock of the Company (“ Common Stock ”) underlying the Restricted Stock Units.

Dividend Equivalents . Each Restricted Stock Unit shall be credited with dividend equivalents (the “ Dividend Equivalents ”) in an amount, without interest, equal to the cumulative cash and stock dividends declared or paid on a share Common Stock, if any, following the Agreement Date and prior to the date the Restricted Stock Unit is settled in accordance with Section  5 .

Incorporation by Reference . The provisions of the Plan are incorporated herein by reference. Except as otherwise expressly set forth herein, this Agreement shall be construed in accordance with the provisions of the Plan. The Plan administrator (the “ Administrator ”) shall have the authority to interpret and construe the Plan and this Agreement and to make any and all determinations thereunder, and its decision shall be binding and conclusive upon the Participant and his or her legal representative in respect of any questions arising under the Plan or this Agreement.

Vesting of Restricted Stock Units . The Restricted Stock Units are restricted in that they are forfeitable and may not be sold, transferred or otherwise alienated or hypothecated (the “ Restrictions ”) until they become vested and shares of Common Stock are delivered pursuant to Section  5 following removal or expiration of the Restrictions. Subject to (i) the Participant’s continuous service with the Company or an affiliate as an employee or director (“ Continuous Service ”) through the applicable Vesting Date (as defined below) and (ii) compliance with the terms and conditions of this Agreement (including without limitation, the restrictive covenants set forth in Appendix A ), the Restrictions will expire and the Restricted Stock Units will become nonforfeitable and vested as to one-third (1/3) of the Restricted Stock Units on each anniversary of the Agreement Date (each, a “ Vesting Date ”). Notwithstanding the above, to the extent Participant is a party to an employment agreement with the Company (an “ Employment Agreement ”) which provides for accelerated vesting in additional or different circumstances, Participant’s Restricted Stock Units will vest in accordance with the provisions thereof.

Settlement .

Amount . For each vested Restricted Stock Unit, the Company will deliver one share of Common Stock plus a cash amount equal to the aggregate Dividend Equivalents, if any, for such vested Restricted Stock Unit, in each case less any applicable withholding. The value of any fractional Restricted Stock Unit shall be rounded down at the time shares of Common Stock are issued. Neither fractional shares of Common Stock nor the cash value of any fractional shares of Common Stock will be issuable or payable pursuant to this Agreement. Neither the value of shares of Common Stock nor the value of Dividend Equivalents shall bear any interest owing to the passage of time. Neither this Section  5 nor any action taken in accordance with this Section  5 shall be construed to create a trust or a funded or secured obligation of any kind.

Timing . Delivery in respect of the vested Restricted Stock Units and any associated Dividend Equivalents will be made as soon as administratively practicable following the Vesting Date, but in no event more than sixty 60 days following the Vesting Date. Such delivery shall be subject to the Participant’s continued compliance with the restrictive covenants set forth in Appendix A .

Termination of Continuous Service . Subject to Section  7(b) , or as otherwise provided in the Participant’s Employment Agreement, or as may otherwise be determined by the Board in its discretion, all unvested Restricted Stock Units shall be forfeited upon termination of the Participant’s Continuous Service for any reason.

Change of Control .

Notwithstanding Section  4 , to the extent vesting would not otherwise occur in connection with same, the Board may, in its sole discretion, accelerate the vesting of the Restricted Stock Units in connection with a Change of Control.

Notwithstanding anything to the contrary in this Agreement, if the Participant’s Continuous Service is terminated (i) by the Company other than due to a termination for Cause (as defined below) or (ii) by the Participant due to a termination for Good Reason (as defined below), in each case within twelve (12) months following a Change of Control, all unvested Restricted Stock Units shall vest and be settled in accordance with Section  5 .

“ Change of Control ” means:

except as provided below, the consummation of a merger, consolidation, statutory share exchange or similar form of corporate transaction or event (a “ Business Combination ”) involving the Company, unless immediately following such Business Combination: (A) the holders of the Company’s voting securities immediately prior to the Business Combination hold at least 50% of the total voting power of (y) the entity resulting from such Business Combination (the “ Surviving Entity ”) or (z) if applicable, the parent company that directly or indirectly has beneficial ownership of at least 95% of the voting power, and (B) at least a majority of the members of the board of directors of the parent (or, if there is no parent, the Surviving Entity) following the consummation of the Business Combination were Incumbent Directors (as defined below) at the time of the Board’s approval of the execution of the initial agreement providing for such Business Combination;

the consummation of a sale of all or substantially all of the Company’s assets (other than to Platinum Equity Advisors, LLC or any of its controlled affiliates (collectively, “ Platinum ”)); or

the stockholders of the Company approve a plan of complete dissolution or liquidation of the Company.

“ Incumbent Director ” means an individual who is a member of the Board as of the effective date of the Plan or who becomes a member of the Board subsequent to the effective date of the Plan and whose election or nomination for election is approved by a vote of at least two-thirds of the Incumbent Directors then on the Board (either by a specific vote or by approval of the Company proxy statement in which such person is named as a nominee for director, without written objection to such nomination); provided, however, that no individual initially elected or nominated as a director of the Company as a result of an actual or publicly threatened election contest with respect to directors or as a result of any other actual or publicly threatened solicitation of proxies by or on behalf of any person other than the Board will be deemed to be an Incumbent Director.

“ Cause ” has the meaning set forth in the Participant’s Employment Agreement or, if the Participant is not party to an Employment Agreement that defines such term, any of the following: (i) gross negligence in the performance of Participant’s duties, (ii) willful failure to perform Participant’s duties (other than such failure resulting from the Participant’s incapacity due to physical or mental illness) that the Participant fails to remedy to the reasonable satisfaction of the Company within thirty (30) days after written notice is delivered by the Company to the Participant that sets forth the basis of the Participant’s failure to perform his or her duties, (iii) willful engagement in conduct which is, or can reasonably be expected to be, materially injurious to the Company or its subsidiaries (monetarily or otherwise) or (iv) conviction of, or plea of guilty or no contest to, a misdemeanor involving moral turpitude or any felony.

“ Good Reason ” has the meaning set forth in the Participant’s Employment Agreement or, if the Participant is not party to an Employment Agreement that defines such term, any of the following:

a material diminution in the Participant’s base salary (except in conjunction with an across-the-board base salary reduction that affects similarly situated employees of the Company), authority, duties or responsibilities from those in effect immediately prior to the date a Change of Control occurs;

a move of more than fifty (50) miles in the geographic location at which the Participant must perform services from the location at which the Participant was required to perform services immediately prior to the date a Change of Control occurs; or

any other action or inaction by the Company that constitutes a material breach of the Plan or this Agreement within one (1) year following a Change of Control.

Tax Withholding . The Company shall have the right to withhold from any delivery of Common Stock or cash due under the Plan and this Agreement to satisfy any federal, state or local tax withholding obligation in accordance with and pursuant to the applicable withholding provisions of the Plan.

No Rights as Stockholder . The Participant shall have no rights as a stockholder with respect to the shares of Common Stock underlying the Restricted Stock Units unless and until the Participant has become the record holder of such shares.

Restrictive Covenants . The provisions of the attached Appendix A , which are deemed to be part of this Agreement as if fully set forth herein, shall apply to the Participant. By accepting this Agreement, the Participant agrees to be bound by, and promises to abide by, such provisions. The Participant further acknowledges and agrees that the restrictive covenants contained in Appendix A are reasonable and enforceable in all respects.

Detrimental Activity .

Upon delivery of Common Stock in respect of vested Restricted Stock Units, the Participant shall certify in a manner acceptable to the Company that the Participant has not engaged in any Detrimental Activity (as defined below).

The Administrator may cancel, rescind, suspend, withhold or otherwise limit or restrict this Restricted Stock Unit Award, in whole or in part, at any time if the Participant engages in any Detrimental Activity.

In the event a Participant engages in Detrimental Activity after delivery of Common Stock in respect of vested Restricted Stock Units and during any period for which any restrictive covenant prohibiting such activity is applicable to the Participant, such delivery may be rescinded within one (1) year after the Participant engages in such Detrimental Activity. In the event of any such rescission, the Participant shall pay to the Company the amount of any gain realized or payment received as a result of the delivery, in such manner and on such terms and conditions as may be required by the Company. The Company shall be entitled to set-off against the amount of any such gain any amount owed

“ Detrimental Activity ” means (i) any violation of the terms of any written agreement (including this Agreement, any other award agreement, the Employment Agreement or other agreement) with the Company or any of its affiliates relating to covenants with respect to non-disclosure, confidentiality, intellectual property, work product, inventions assignment, privacy, exclusivity, non-competition, non-solicitation or non-disparagement; (ii) breach of the Company’s Code of Business Conduct; (iii) activity that is discovered to be grounds for or results in the Participant’s termination for Cause; (iv) the conviction of, or guilty plea entered by, the Participant for any felony or a crime involving moral turpitude whether or not connected with the Company or its affiliates; or (v) the commission of any other act involving willful malfeasance or material fiduciary breach with respect to the Company or any of its affiliates.

Compliance with Laws, Regulations and Company Policies . The grant and payment of the Restricted Stock Units shall be subject to compliance by the Company and the Participant with all applicable requirements of state and federal laws and regulatory agencies and with all applicable requirements of any stock exchange on which the Common Stock may be listed at the time of such issuance or transfer, if applicable. This Restricted Stock Unit Award shall also be subject to any applicable clawback or recoupment policies, share trading and stock ownership policies of the Company, and other policies that may be implemented by the Board from time to time.

Section  409A . Any amounts payable with respect to the Restricted Stock Units are intended to be exempt from Section 409A of the Code in reliance on the short-term deferral exemption set forth in the final regulations issued thereunder. If any amounts payable with respect to the Restricted Stock Units are determined to be subject to Section 409A of the Code, such payments may only be made under this Agreement upon an event and in a manner permitted by Section 409A of the Code. All payments to be made upon a termination of employment may only be made upon a “separation from service” under Section 409A of the Code. For purposes of Section 409A of the Code, each payment shall be treated as a separate payment. In no event may the Participant, directly or indirectly, designate the calendar year in which the payments under this Agreement will be made. Notwithstanding anything in this Agreement to the contrary, if the Participant is a “specified employee” as defined by Section 409A of the Code, then if and to the extent required by Section 409A of the Code, any payment with respect to the Restricted Stock Units upon a separation from service will not be made before the date that is six (6) months after the Participant separates from service or such earlier date permitted by Section 409A of the Code.

No Right to Continuous Service . Nothing herein alters the at-will nature of the Participant’s employment with the Company or any of its subsidiaries. Nothing in this Agreement shall be deemed by implication or otherwise to impose any limitation on any right of the Company or any of its affiliates to terminate the Participant’s Continuous Service at any time.

Notices . All notices, demands and other communications provided for or permitted hereunder shall be made in writing and shall be by registered or certified first class mail, return receipt requested, facsimile transmission, courier service or personal delivery:

Bound by Plan . By accepting this Agreement, the Participant agrees to be bound by all of the terms and provisions of the Plan (which will be provided to the Participant as soon as administratively practicable following stockholder adoption of the Plan).

Beneficiary . The Participant may file with the Administrator a written designation of a beneficiary on such form as may be prescribed by the Administrator and may, from time to time, amend or revoke such designation. If no designated beneficiary survives the Participant, the legal representative of the Participant’s estate shall be deemed to be the Participant’s beneficiary.

Successors . The terms of this Agreement shall be binding upon and inure to the benefit of the Company, its successors and assigns, and on the Participant and the Participant’s executors, administrators, heirs, and successors.

Amendment of Restricted Stock Unit Award . Subject to Section  20 of this Agreement and subject to the terms of the Plan, the Administrator at any time and from time to time may amend the terms of this Restricted Stock Unit Award; provided , however , that the Participant’s rights under this Restricted Stock Unit Award shall not be impaired by any such amendment unless the Company requests the Participant’s consent and the Participant consents in writing, or except as otherwise permitted under the Plan.

Adjustment Upon Changes in Capitalization . The shares of Common Stock underlying the Restricted Stock Units may be adjusted as provided in the Plan. The Participant, by accepting this Agreement, irrevocably and unconditionally consents and agrees to any such adjustments as may be made at any time hereafter.

Governing Law and Venue . The provisions of this Agreement shall be construed and enforced in accordance with the laws and decisions of the State of Delaware, without regard to such state’s conflict of law principles. Any dispute or conflict between the parties shall be brought in a state or federal court located in Wilmington, Delaware. The parties hereto submit to jurisdiction and venue in Wilmington, Delaware and all objections to such venue and jurisdiction are hereby waived.

Severability . If any provision of this Agreement or any part of any provision of this Agreement is determined to be unenforceable for any reason whatsoever, it shall be severable from the rest of the Agreement and shall not invalidate or affect the other portions or parts of this Agreement, which shall remain in full force and effect. Furthermore, each covenant contained in this Agreement shall stand independently and be enforceable without regard to any other covenants or to any other provisions of this Agreement.

Waiver . The waiver by the Company of a breach of any provision contained in this Agreement shall not operate or be construed as a waiver of any subsequent breach or as a waiver of any other provisions of this Agreement.

Headings . The headings of the Sections hereof are provided for convenience only and are not to serve as a basis for interpretation or construction, and shall not constitute a part of this Agreement.

Counterparts . This Agreement may be executed in one or more counterparts, each of which shall constitute an original and all of which together shall constitute one instrument. Delivery of an executed counterpart of this Agreement by facsimile or portable document format (.pdf) attachment to electronic mail shall be effective as delivery of a manually executed counterpart of this Agreement.

No Liability for Good Faith Determinations . The Company and the members of the Board shall not be liable for any act, omission or determination taken or made in good faith with respect to this Agreement or the Restricted Stock Units granted hereunder.

Consent to Electronic Delivery; Electronic Signature . In lieu of receiving documents in paper format, the Participant agrees, to the fullest extent permitted by law, to accept electronic delivery of any documents that the Company may be required to deliver (including, but not limited to, prospectuses, prospectus supplements, grant or award notifications and agreements, account statements, annual and quarterly reports and all other forms of communications) in connection with this and any other award made or offered by the Company. Electronic delivery may be via a Company electronic mail system or by reference to a location on a Company intranet to which the Participant has access. The Participant hereby consents to any and all procedures the Company has established or may establish for an electronic signature system for delivery and acceptance of any such documents that the Company may be required to deliver, and agrees that his or her electronic signature is the same as, and shall have the same force and effect as, his or her manual signature.

the Participant shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that is: (i) made (A) in confidence to a federal, state or local government official, either directly or indirectly, or to an attorney, and (B) solely for the purpose of reporting or investigating a suspected violation of law; (ii) made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal; or (iii) protected under the whistleblower provisions of applicable law;

in the event the Participant files a lawsuit for retaliation by the Company or any of its subsidiaries for the Participant’s reporting of a suspected violation of law, the Participant may (i) disclose a trade secret to the Participant’s attorney and (ii) use the trade secret information in the court proceeding related to such lawsuit, in each case, if the Participant (A) files any document containing such trade secret under seal; and (B) does not otherwise disclose such trade secret, except pursuant to court order; and

nothing shall prevent the Participant from lawfully, and without obtaining prior authorization from the Company or any of its subsidiaries, (i) initiating communications directly with, cooperating with, providing information to, causing information to be provided to, or otherwise assisting in an investigation by the U.S. Securities and Exchange Commission (the “ SEC ”) or any other governmental or regulatory agency, entity, or official(s) (collectively, “ Governmental Authorities ”) regarding a possible violation of any law; (ii) responding to any inquiry or legal process directed to an employee individually from any Governmental Authority; (iii) testifying, participating or

In granting the Restricted Stock Unit Award to the Participant, the Company provides the Participant a further incentive to build the Company’s goodwill and links the Participant’s interests to the Company’s long-term business interests. As an inducement for the Company to grant the Restricted Stock Unit Award and enter into this Agreement,

The Participant agrees that during the Prohibited Period, the Participant shall not, without prior written approval of the Company, directly or indirectly, for the Participant, or on behalf of or in conjunction with any other person or entity of whatever nature:

engage in or carry on within the Market Area in competition with the Company or any of its subsidiaries in any aspect of the Business, which prohibition shall prevent the Participant from directly or indirectly: (A) owning, managing, operating, becoming an officer or director of any person or entity primarily engaged in, or planning to primarily engage in, the Business in the Market Area in competition, or anticipated competition, with the Company or any of its subsidiaries, or (B) in the Market Area, joining, becoming employee or consultant of, or otherwise being affiliated with any person or entity primarily engaged in, or planning to primarily engage in, the Business in the Market Area in competition, or anticipated competition, with the Company or any of its subsidiaries (in each case, with respect to this clause (B), in any capacity in which the Participant’s duties are the same or similar to those performed for the Company or any of its subsidiaries) – for purposes of this provision, “primarily engage” means that at least twenty percent (20%) of the gross revenue of a person or entity’s business is from business directly competitive with the Business;

appropriate any Business Opportunity of, or relating to, the Company or any of its subsidiaries located in the Market Area;

within the Market Area, solicit, canvass, approach, encourage, entice or induce any customer or supplier of the Company or any of its subsidiaries with whom or which the Participant had contact in the last 24 months of his or her employment with the Company or its subsidiaries or about whom or which the Participant obtained Confidential Information to cease or lessen such customer’s or supplier’s business with the Company or any of its subsidiaries in the Business; or

solicit, canvass, approach, encourage, entice or induce any employee or contractor of the Company or any of its subsidiaries to terminate his, her or its employment or engagement therewith, excluding general advertisements and solicitations not targeted at the employees or contractors of the Company or its subsidiaries.

Notwithstanding the above-referenced limitations in Sections 4(b)(i), 4(b)(ii) and 4(b)(iii) , such limitations shall not apply following the termination of the Participant’s employment with the Company and (as applicable) any of its

For purposes of this Section  4 , the following terms shall have the following meanings:

“ Business ” means the business and operations that are the same or similar to those performed by the Company or any of its subsidiaries and for which the Participant obtained Confidential Information or had direct or indirect responsibilities during the period of the Participant’s employment with the Company or any of its subsidiaries, which business and operations include (if Participant obtained Confidential Information or had direct or indirect responsibilities with respect to such business and operations on behalf of the Company or any of its subsidiaries during the period of his or her employment): rig-based and coiled tubing-based well maintenance and workover services, well completion and recompletion services, fluid management services, and fishing and rental services.

“ Business Opportunity ” shall mean any commercial, investment or other business opportunity relating to the Business.

“ Market Area ” means: onshore land areas in the Continental United States in (a) each county in which the Participant was based or performed material services on behalf of the Company or any of its subsidiaries; and (b) each of the following basins and oil and gas shale plays: Bakken, Barnett, Denver-Julesberg, Eagle Ford, Fayetteville, Granite Wash, Haynesville, Marcellus, Mississippi Lime, Niobrara, Permian, Powder River, SCOOP, STACK, Tuscaloosa, Williston, and Woodford; provided, however , a basin or play shall not be included within the Market Area if: (1) the Participant had no direct or indirect responsibilities with respect to such basin or play during the last 24 months of the Participant’s employment or engagement with the Company or any of its subsidiaries, or (2) the Participant obtained no Confidential Information with respect the Company’s or any of its subsidiaries’ Business in such basin or play.

“ Prohibited Period ” shall mean the period during which the Participant is employed by the Company or any of its subsidiaries and continuing for a period of twelve (12) months following the date that the Participant is no longer employed by the Company or any of its subsidiaries.

Except as set forth in Section 2, you are continually employed by the Company from the date of this letter agreement through and including each applicable Vesting Date. The Company will have the sole discretion to determine whether any leave of absence before February 4, 2021 constitutes a forfeiture of any unvested portion of the LTI Cash Award.

You have not given notice of your intent to resign from employment on or before the applicable Vesting Date.

a material diminution in your base salary (except in conjunction with an across-the-board base salary reduction that affects similarly situated employees of the Company), authority, duties or responsibilities from those currently in effect;

a move of more than fifty (50) miles in the geographic location at which you must perform services from the location at which you are currently required to perform services; or

any other action or inaction by the Company that constitutes a material breach of the Employment Agreement.

Agreed to and accepted:

February     , 2019

cc Julie Gonzales

You are continually employed by the Company from the date of this letter agreement through and including the applicable Vesting Date. The Company will have the sole discretion to determine whether any leave of absence before February 4, 2021 constitutes a forfeiture of the LTI Cash Award.

You have not given notice of your intent to resign from employment on or before the applicable Vesting Date.

Section 5(c) of the Employment Agreement is amended and restated as follows:

Except as provided herein, the Employment Agreement shall remain in full force and effect and is hereby ratified and confirmed in all respects.

The validity, interpretation, construction and performance of this Amendment will be governed in accordance with the laws of the State of Texas applicable to agreements made and to be performed entirely within such state, without giving effect to any choice or conflicts of laws principles which would cause the application of the domestic substantive laws of any other jurisdiction.

This Amendment may be executed in any number of counterparts, each of which will be deemed an original, and all of which together will constitute one and the same instrument. This Amendment will become binding when one or more counterparts hereof, individually or taken together, will bear the signatures of all of the parties reflected hereon as the signatories. Photographic, faxed or PDF copies of such signed counterparts may be used in lieu of the originals for any purpose.