EXHIBIT 3.29

                          CERTIFICATE OF INCORPORATION

                                       OF

                                INTELLIPIPE, INC.



         FIRST:  The name of the corporation is Intellipipe, Inc.

         SECOND: The address of its registered office in the State of Delaware
is The Corporation Trust Center, 1209 Orange Street, in the City of Wilmington,
County of New Castle. The name of its registered agent at such address is The
Corporation Trust Company.

         THIRD: The nature of the business or purposes to be conducted or
promoted is to engage in any lawful act or activity for which corporations may
be organized under the General Corporation Law of Delaware.

         FOURTH: The total number of shares of all classes of stock which the
corporation shall have authority to issue is Ten Thousand (10,000) shares of
Common Stock of the par value of $0.01 per share.

         FIFTH: The name of the incorporator is Jeffrey M. Cameron and his
mailing address is c/o Vinson & Elkins L.L.P., 2300 First City Tower, 1001
Fannin, Houston, Texas 77002-6720.

         SIXTH: The names and mailing addresses of the sole director, who shall
serve until the first annual meeting of stockholders or until his successors are
elected and qualified, is as follows:


                 Name                   Address
                 ----                   -------

                 David R. Hall          2185 South Larson Parkway
                                        Provo, Utah  84606


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         The number of directors of the corporation shall be as specified in, or
determined in the manner provided in, the bylaws. Election of directors need not
be by written ballot.

         SEVENTH: In furtherance of, and not in limitation of, the powers
conferred by statute, the Board of Directors is expressly authorized to adopt,
amend or repeal the bylaws of the corporation.

         EIGHTH: Whenever a compromise or arrangement is proposed between this
corporation and its creditors or any class of them and/or between this
corporation and its stockholders or any class of them, any court of equitable
jurisdiction within the State of Delaware may, on the application in a summary
way of this corporation or of any creditor or stockholder thereof or on the
application of any receiver or receivers appointed for this corporation under
the provisions of Section 291 of Title 8 of the Delaware Code or on the
application of trustees in dissolution or of any receiver or receivers appointed
for this corporation under the provisions of Section 279 of Title 8 of the
Delaware Code order a meeting of the creditors or class of creditors, and/or of
the stockholders or class of stockholders of this corporation, as the case may
be, to be summoned in such manner as the said court directs. If a majority in
number representing three-fourths in value of the creditors or class of
creditors, and/or of the stockholders or class of stockholders of this
corporation, as the case may be, agree to any compromise or arrangement and to
any reorganization of this corporation as a consequence of such compromise or
arrangement, the said compromise or arrangement and the said reorganization
shall, if sanctioned by the court to which the said application has been made,
be binding on all the creditors or class of creditors, and/or on all the
stockholders or class of stockholders, of this corporation, as the case may be,
and also on this corporation.


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         NINTH: No director of the Corporation shall be liable to the
Corporation or its stockholders for monetary damages for breach of fiduciary
duty as a director, except for liability (i) for any breach of the director's
duty of loyalty to the Corporation or its stockholders, (ii) for acts or
omissions not in good faith or which involve intentional misconduct or a knowing
violation of law, (iii) under Section 174 of the Delaware General Corporation
Law, or (iv) for any transaction from which the director derived an improper
personal benefit.

         TENTH: The corporation shall have the right, subject to any express
provisions or restrictions contained in the certificate of incorporation or
bylaws of the corporation, from time to time, to amend the certificate of
incorporation or any provision thereof in any manner now or hereafter provided
by law, and all rights and powers of any kind conferred upon a director or
stockholder of the corporation by the certificate of incorporation or any
amendment thereof are subject to such right of the corporation.

         I, the undersigned, being the incorporator hereinbefore named, for the
purpose of forming a corporation pursuant to the General Corporation Law of the
State of Delaware, do make this certificate, hereby declaring that this is my
act and deed and that the facts herein stated are true, and accordingly have
hereunto set my hand this 13th day of October, 2000.




                                      ------------------------------------------
                                      Jeffrey M. Cameron, Incorporator


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