Document:

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                                                                   EXHIBIT 10.14

                           FORM OF LOCK-UP AGREEMENT

                                                                          , 2000

W-H Energy Services, Inc.
10370 Richmond Avenue
Suite No. 990
Houston, Texas 77042

Donaldson, Lufkin & Jenrette Securities Corporation
Morgan Stanley Dean Witter
UBS Warburg LLC
Simmons & Company International
DLJdirect Inc.

c/o  Donaldson, Lufkin & Jenrette Securities Corporation
     277 Park Avenue
     New York, New York 10172

Dear Sirs:

         The undersigned understands that Donaldson, Lufkin & Jenrette
Securities Corporation, Morgan Stanley Dean Witter, UBS Warburg LLC, Simmons &
Company International and DLJdirect Inc., as Representatives of the several
underwriters (the "UNDERWRITERS"), propose to enter into an Underwriting
Agreement with W-H Energy Services, Inc., a Texas corporation (the "COMPANY"),
providing for the initial public offering (the "INITIAL PUBLIC OFFERING") of
common stock, par value $.0001 per share (the "COMMON STOCK"), of the Company.

         To induce the Underwriters that may participate in the Initial Public
Offering to continue their efforts in connection with the Initial Public
Offering, the undersigned, from the date hereof and through the end of the
180-day period after the date of the final prospectus relating to the Initial
Public Offering (the "FINAL PROSPECTUS"):

           (i)  agrees not to (x) offer, pledge, sell, contract to sell, sell
                any option or contract to purchase, purchase any option or
                contract to sell, grant any option, right or warrant to
                purchase, or otherwise transfer or dispose of, directly or
                indirectly, any shares of Common Stock or any securities
                convertible into or exercisable or exchangeable for Common Stock
                (including, without limitation, shares of Common Stock or
                securities convertible into or exercisable or exchangeable for
                Common Stock which may be deemed to be beneficially owned by the
                undersigned in accordance with the rules and regulations of the
                Securities and Exchange Commission) (collectively, "COMPANY
                SECURITIES") or (y) enter into any swap or other
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                arrangement that transfers all or a portion of the economic
                consequences associated with the ownership of any Company
                Securities (regardless of whether any of the transactions
                described in clause (x) or (y) is to be settled by the
                delivery of Company Securities, in cash or otherwise), without
                the prior written consent of Donaldson, Lufkin & Jenrette
                Securities Corporation;

          (ii)  agrees not to make any demand for, or exercise any right with
                respect to, the registration of any Company Securities, without
                the prior written consent of Donaldson, Lufkin & Jenrette
                Securities Corporation; and

          (iii) authorizes the Company to cause the transfer agent to decline to
                transfer and/or to note stop transfer restrictions on the
                transfer books and records of the Company with respect to any
                Company Securities for which the undersigned is the record
                holder and, in the case of any such shares or securities for
                which the undersigned is the beneficial but not the record
                holder, agrees to cause the record holder to cause the
                transfer agent to decline to transfer and/or to note stop
                transfer restrictions on such books and records with respect
                to such shares or securities;

provided further, that the restrictions in clause (i) above shall cease to apply
to (A) 25% of the Company Securities beneficially owned by the undersigned on
the date of the Final Prospectus upon the later to occur of (I) the end of the
90-day period after the date of the Final Prospectus or (II) the second trading
day following the first public release of the Company's quarterly results after
the date of the Final Prospectus, and (B) an additional 25% of the Company
Securities beneficially owned by the undersigned on the date of the Final
Prospectus, upon the end of the 135-day period after the date of the Final
Prospectus if, in the case of both clauses (A) and (B), (X) the reported last
sale price of the Common Stock on the Nasdaq National Market is at least twice
the price per share in the Initial Public Offering for 20 of the 30 trading days
ending on (a) in the case of clause (A) above, the later of (1) the last trading
day of the 90-day period after the date of the Final Prospectus or (2) the
second trading day following the first public release of the Company's quarterly
results after the date of the Final Prospectus and (b) in the case of clause (B)
above, the last trading day of the 135-day period after the date of the Final
Prospectus and (Y) the undersigned is not, and has not been since the date of
the Final Prospectus, an employee of the Company; provided further, that the
undersigned agrees to give Donaldson, Lufkin & Jenrette Securities Corporation
and the Company written notice three business days prior to taking any of the
actions set forth in clause (i) above pursuant to the preceding proviso and to
execute any such action only through Donaldson, Lufkin & Jenrette Securities
Corporation or any of its affiliates acting as broker, unless otherwise agreed
in writing by Donaldson, Lufkin & Jenrette Securities Corporation.

         The undersigned hereby represents and warrants that the undersigned has
full power and authority to enter into the agreements set forth herein, and
that, upon request,

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the undersigned will execute any additional documents necessary or desirable in
connection with the enforcement hereof. All authority herein conferred or agreed
to be conferred shall survive the death or incapacity of the undersigned and any
obligations of the undersigned shall be binding upon the heirs, personal
representatives, successors, and assigns of the undersigned.

                                    Very truly yours,

                                    By:
                                       -----------------------------------------
                                    Name:
                                    Title:

                                    Name of Entity:

                                    Address:

Social Security or Taxpayer Identification No.:
                                                --------------------------------
Number of shares of Common Stock owned:

--------------------------------------------------------------------------------

Number and name of securities that are convertible into, or
exercisable or exchangeable for, Common Stock:

--------------------------------------------------------------------------------

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Number of shares of Common Stock issuable upon
conversion, exercise or exchange of such securities:

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                                                                     EXHIBIT 4.4

                                UTI ENERGY CORP.
                              AMENDED AND RESTATED
                             STOCK OPTION AGREEMENT

         THIS STOCK OPTION AGREEMENT (this "Agreement"), is made and entered
into effective as of the 19th day of December, 1995, by and between UTI Energy
Corp., a Delaware corporation (the "Company"), and Remy Investors and
Consultants Incorporated, a Delaware corporation ("Optionee").

                                   WITNESSETH:

         WHEREAS, the Company's Board of Directors previously granted to
Optionee on December 19, 1995, the right to acquire 120,000 shares of the
Company's common stock, $.001 par value per share (the "Common Stock");

         WHEREAS, following such grant, Optionee transferred rights under such
grant to purchase 55,000 shares of Common Stock to Remy Capital Partners III
L.P. ("Remy Partners") and rights to purchase 10,000 shares of Common Stock to
Kenneth N. Berns;

         WHEREAS, in September 1997, the Company's Board of Directors declared
and effected a three-for-one stock split of the Common Stock;

         WHEREAS, in October 1997, (i) Remy Partners transferred and assigned
all its remaining right, title and interest under the original option agreement,
as amended to reflect the Stock Split, to various third parties; (ii) the
Optionee transferred and assigned its right, title and interest under the
original option agreement, as amended to reflect the Stock Split, to purchase
99,000 shares of Common Stock to various third parties; and (iii) Kenneth N.
Berns transferred and assigned all of his right, title and interest under the
original option agreement, as amended to reflect the Stock Split, to purchase
18,000 shares of Common Stock to various third parties;

         WHEREAS, the Company and the Optionee desire to enter into a new
amended and restated option agreement to document and reflect the remaining
rights of Optionee;

         NOW, THEREFORE, in consideration of the mutual undertakings, covenants,
conditions and agreements contained herein, and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
Company and Optionee agree with each other as follows:

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         1. Grant of Stock Option. The Company hereby grants to Optionee,
subject to the provisions hereinafter set forth, the right (the "Option") to
purchase 66,000 shares of Common Stock of the Company (the "Option Shares"). The
Option Shares shall be subject to adjustment as hereinafter set forth. This
Option shall be exercisable at any time after the date hereof and on or before
December 18, 2000 (the "Expiration Date").

         2. Exercise Price. The exercise price per share for which all or any of
the Option Shares may be purchased shall be $1.90 (the "Exercise Price"). The
Exercise Price shall be subject to adjustment as hereinafter set forth.

         3. Exercise.

                  (a) The Option may be exercised by Optionee, in full or in
         part, for the purchase of any of the Option Shares upon delivery by
         Optionee of written notice to the Company at the address of the Company
         set forth in Section 8, or such other address as the Company shall
         designate in written notice to Optionee, setting forth the number of
         Option Shares with respect to which the Option is being exercised,
         together with the Option and payment (in the manner described in
         Section 3(b) below) for the aggregate Exercise Price of the Option
         Shares so purchased. Upon the exercise of the Option, the Company shall
         as promptly as practicable execute and deliver to Optionee a
         certificate or certificates for the total number of whole Option Shares
         for which the Option is being exercised in such names and denominations
         as are requested by Optionee. If the Option shall be exercised with
         respect to less than all of the Option Shares, Optionee shall be
         entitled to receive a new Option covering the number of Option Shares
         in respect of which the Option shall not have been exercised, which new
         Option shall in all other respects be identical to the Option.

                  (b) Payment for the Option Shares to be purchased upon the
         exercise of the Option may be made by the delivery of a check payable
         to the Company in the amount of the aggregate Exercise Price of the
         Option Shares to be purchased.

         4. Covenants and Conditions. The above provisions are subject to the
following:

                  (a) Optionee acknowledges and agrees that neither the Option
         nor the Option Shares have been registered under the Securities Act of
         1933, as amended (the "Act"), or any state securities laws ("Blue Sky
         Laws"). Optionee covenants and agrees that the Option and the Option
         Shares have been acquired for investment purposes and not with a view
         to distribution or resale and the Option Shares may not be made subject
         to a security interest, pledged, hypothecated, sold or otherwise
         transferred without an effective registration statement therefor under
         the Act and such applicable Blue Sky Laws or an opinion of counsel
         (which opinion and counsel rendering same shall be reasonably

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         acceptable to the Company) that registration is not required under the
         Act and under any applicable Blue Sky Laws. The certificates
         representing the Option Shares shall bear substantially the following
         legend:

                  THE SHARES OF STOCK REPRESENTED BY THIS CERTIFICATE HAVE NOT
                  BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED
                  (THE "ACT"), OR QUALIFIED UNDER ANY APPLICABLE STATE
                  SECURITIES LAWS, BUT HAVE BEEN ACQUIRED FOR THE PRIVATE
                  INVESTMENT OF THE HOLDER HEREOF AND MAY NOT BE OFFERED, SOLD
                  OR TRANSFERRED UNTIL (I) A REGISTRATION STATEMENT UNDER THE
                  ACT OR SUCH APPLICABLE STATE SECURITIES LAWS SHALL HAVE BECOME
                  EFFECTIVE WITH REGARD THERETO, OR (II) IN THE OPINION OF
                  COUNSEL (WHICH OPINION AND COUNSEL SHALL BE REASONABLY
                  SATISFACTORY TO THE COMPANY) REGISTRATION UNDER THE ACT OR
                  SUCH APPLICABLE STATE SECURITIES LAWS SHALL HAVE BECOME
                  EFFECTIVE WITH REGARD THERETO, OR (III) IN THE OPINION OF
                  COUNSEL (WHICH OPINION AND COUNSEL SHALL BE REASONABLY
                  SATISFACTORY TO THE COMPANY) REGISTRATION UNDER THE LAW OR
                  SUCH APPLICABLE STATE SECURITIES LAWS IS NOT REQUIRED IN
                  CONNECTION WITH SUCH PROPOSED OFFER, SALE OR TRANSFER.

         Other legends as required by applicable federal and state laws may be
         placed on such certificates. Optionee and the Company agree to execute
         such documents and instruments as counsel for the Company reasonably
         deems necessary to effect compliance of the issuance of the Option and
         any Option Shares issued upon the exercise thereof with applicable
         federal and state securities laws. Optionee agrees that the Company may
         decline to permit a transfer of the Option if the proposed transferee
         does not meet the applicable qualifications for investors in securities
         offerings exempt from registration.

                  (b) The Company covenants and agrees that all Option Shares
         which may be issued upon the exercise of the Option will, upon issuance
         and payment therefor, be legally and validly issued and outstanding,
         fully paid and nonassessable.

         5. Rights as a Shareholder. The Option does not confer upon Optionee
any right whatsoever as a shareholder of the Company.

         6. Changes in the Company's Capital Structure. The existence of the
Option shall not affect in any way the right or power of the Company or its
stockholders to make or authorize any or all adjustments, recapitalizations,
reorganizations or other changes in the Company's capital structure or its
business, or any merger or consolidation of the Company, or any issue of bonds,
debentures, preferred or prior preference stock ahead of or affecting the Common
Stock or the rights thereof, or the dissolution or liquidation of the Company,
or any sale or transfer of all or any part of its assets or business, or any
other corporate act or proceeding, whether of a similar character or otherwise.

         If the Company shall effect a subdivision or consolidation of shares or
other capital adjustment of, or the payment of a dividend in capital stock or
other equity securities of the

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Company on, its Common Stock, or other increase or reduction of the number of
shares of the Common Stock without receiving consideration therefor in money,
services, or property, or the reclassification of its Common Stock, in whole or
in part, into other equity securities of the Company, then the number, class and
per share price of shares of stock subject to the Option shall be appropriately
adjusted (or in the case of the issuance of equity securities as a dividend on,
or in a reclassification of, the Common Stock, the Option shall extend to such
other securities) in such a manner as to entitle the holder to receive, upon
exercise of the Option, for the same aggregate cash compensation, the same total
number and class or classes of shares (or in the case of a dividend of, or
reclassification into, other equity securities, such other securities) it would
have held after such adjustment if the holder had exercised the Option in full
immediately prior to the event requiring the adjustment. Comparable rights shall
accrue in the event of successive subdivisions, consolidations, capital
adjustments, dividends or reclassifications of the character described above.

         If the Company shall distribute to all holders of its shares of Common
Stock (including any such distribution made to non-dissenting stockholders in
connection with a consolidation or merger in which the Company is the surviving
corporation and in which holders of shares of Common Stock continue to hold
shares of Common Stock after such merger or consolidation) evidences of
indebtedness or cash or other assets (other than cash dividends payable out of
consolidated retained earnings not in excess of, in any one year period, the
greater of (a) $.10 per share of Common Stock and (b) two times the aggregate
amount of dividends per share paid during the preceding calendar year and
dividends or distributions payable in shares of Common Stock or other equity
securities of the Company described in the immediately preceding paragraph),
then in each case the Exercise Price shall be adjusted by reducing the Exercise
Price in effect immediately prior to the record date for the determination of
stockholders entitled to receive such distribution by the fair market value, as
determined in good faith by the Board of Directors of the Company (whose
determination shall be described in a statement filed in the Company's corporate
records and be available for inspection by the holder of the Option) of the
portion of the evidence of indebtedness or cash or other assets so to be
distributed applicable to one share of Common Stock; provided that in no event
shall the Exercise Price be less than the par value of a share of Common Stock.
Such adjustment shall be made whenever any such distribution is made, and shall
become effective on the date of the distribution retroactive to the record date
for the determination of the stockholders entitled to receive such distribution.
Comparable adjustments shall be made in the event of successive distributions of
the character described above.

         After the Company shall make a tender offer for, or grant to all of its
holders of its shares of Common Stock the right to require the Company to
acquire from such stockholders shares of, Common Stock, at a price in excess of
the Current Market Price (a "Put Right") or the Company shall grant to all of
its holders of its shares of Common Stock the right to acquire shares of Common
Stock for less than the Exercise Price (the "Exercise Right") then, in the case
of a Put Right, the Exercise Price shall be adjusted by multiplying the Exercise
Price in effect

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immediately prior to the record date for the determination of stockholders
entitled to receive such Put Right by a fraction, the numerator of which shall
be the number of shares of Common Stock then outstanding minus the number of
shares of Common Stock which could be purchased at the Current Market Price for
the aggregate amount which would be paid if all Put Rights are exercised and the
denominator of which is the number of shares of Common Stock which would be
outstanding if all Put Rights are exercised; and, in the case of a Purchase
Right, the Exercise Price shall be adjusted by multiplying the Exercise Price in
effect immediately prior to the record date for the determination of the
stockholders entitled to receive such Purchase Right by a fraction, the
numerator of which shall be the number of shares of Common Stock then
outstanding plus the number of shares of Common Stock which could be purchased
at the Current Market Price for the aggregate amount which would be paid if all
Purchase Rights are exercised and the denominator of which is the number of
shares of Common Stock which would be outstanding if all Purchase Rights are
exercised. In addition, the number of shares subject to the Option shall be
increased by multiplying the number of shares then subject to the Option by a
fraction which is the inverse of the fraction used to adjust the Exercise Price.
Notwithstanding the foregoing if any such Put Rights or Purchase Rights shall
terminate without being exercised, the Exercise Price and number of shares
subject to the Option shall be appropriately readjusted to reflect the Exercise
Price and number of shares subject to the Option which would have been in effect
if such unexercised Rights had never existed. Comparable adjustments shall be
made in the event of successive transactions of the character described above.

         After the merger of one or more corporations with or into the Company,
after any consolidation of the Company and one or more corporations, or after
any other corporate transaction described in Section 424(a) of the Internal
Revenue Code of 1986, as amended, the holder of the Option, at no additional
cost, shall be entitled to receive, upon any exercise of the Option, in lieu of
the number of shares as to which the Option may then be so exercised, the number
and class of shares of stock or other equity securities to which the holder
would have been entitled pursuant to the terms of the agreement of merger or
consolidation if at the time of such merger or consolidation the holder had been
a holder of a number of shares of Common Stock equal to the number of shares as
to which the Option may then be so exercised and, if as a result of such merger,
consolidation or other transaction, the holders of Common Stock are not entitled
to receive any shares of Common Stock pursuant to the terms thereof, the holder,
at no additional cost, shall be entitled to receive, upon exercise of the
Option, such other assets and property, including cash, to which the holder
would have been entitled if at the time of such merger, consolidation or other
transaction the holder had been the holder of the number of shares of Common
Stock equal to the number of shares as to which the Option shall then be so
exercised. Comparable rights shall accrue in the event of successive mergers or
consolidations of the character described above.

         For purposes of this Section 6, "Current Market Price per share of
Common Stock" shall mean the closing price of a share of Common Stock on the
principal national securities exchange on which the Common Stock is listed or,
if the Common Stock is not so listed, the average bid

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and asked price of a share of Common Stock as reported in the NASDAQ System, in
each case on the trading day immediately preceding the first trading day on
which, as a result of the establishment of a record date or otherwise, the
trading price reflects that an acquiror of Common Stock in the public market
will not participate in or receive the payment of any applicable dividend or
distribution.

         Except as hereinbefore expressly provided, the issue by the Company of
shares of Common Stock of any class, or securities convertible into shares of
stock of any class, for cash or property, or for labor or services either upon
direct sale or upon the exercise of rights or warrants to subscribe therefor, or
upon conversion of shares or obligations of the Company convertible into such
shares or other securities, shall not affect, and no adjustment by reason
thereof shall be made with respect to, the number or price of shares of Common
Stock then subject to the Option.

         7. Reservation of Common Stock. The Company will, at all times during
the term of this Agreement, reserve and keep available out of its authorized but
unissued shares of Common Stock, solely for the purpose of effecting the
exercise of the Option, such number of shares of Common Stock of the Company as
shall from time to time be sufficient to effect the exercise of the Option. If,
at any time, the number of authorized but unissued shares of Common Stock shall
not be sufficient to effect the exercise of the entire Option, in addition to
such other remedies as shall be available to the holder of the Option, the
Company will use its reasonable efforts to take such corporate action as may, in
the opinion of its counsel, be necessary to increase its authorized but unissued
shares of Common Stock to such number of shares as shall be sufficient for such
purposes.

         8. Restrictions on Transfer.

                  The shares of Common Stock acquired upon the exercise of the
Option shall not be sold, pledged, hypothecated or otherwise transferred unless
such shares are exempt from registration under the Act and any applicable state
securities laws.

         9. Notices. All notices, requests, demands and other communications
hereunder shall be in writing and shall be deemed to have been given if
delivered or mailed, first class, with postage prepaid, to:

                  If to the Company, addressed to:

                           UTI Energy Corp.
                           485 Devon Park Drive, Suite 112
                           Wayne, Pennsylvania  19087
                           Attention:  President

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                  If to the Optionee, addressed to:

                           Remy Investors and Consultants Incorporated
                           1801 Century Park East, Suite 1111
                           Los Angeles, California  90067
                           Attention:  Mark S. Siegel

         Delivery shall be made to such other address for notice as either party
shall hereafter notify the other party in writing, from time to time.

         10. Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of Texas without giving any effect to
conflicts of law provisions.

         11. Entire Agreement. This Agreement contains the entire understanding
between the parties hereto concerning the subject matter contained herein. There
are no representations, agreements, arrangements, or understandings, oral or
written, between or among the parties hereto, relating to the subject matter of
this Agreement, which are not fully expressed herein.

         12. Counterparts. This Agreement may be executed in any number of
counterparts, each of which shall be deemed an original, but all of which shall
be deemed to be one and the same instrument, regardless of whether one or more
parties sign the same counterpart.

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<PAGE>   8

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement to
be effective the date first set forth above.

                                 UTI ENERGY CORP.

                                 By
                                     ----------------------------------------
                                 Name: Vaughn E. Drum
                                 Title: President and Chief Executive Officer

                                 REMY INVESTORS AND
                                   CONSULTANTS INCORPORATED

                                 By:
                                     ----------------------------------------
                                 Name: Mark S. Siegel
                                 Title: President

                                       -8-

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