EMPLOYMENT AGREEMENT
                         WITH NON-COMPETITION AGREEMENT
                   COVERING THE DIRECTIONAL DRILLING BUSINESS

     By this Agreement,  BLACK WARRIOR  WIRELINE CORP., a Delaware  corporation,
referred to in this  Agreement as Employer,  located at 3748 Highway 45,  North,
Columbus, Mississippi 39705, employs ALAN MANN, referred to in this Agreement as
Employee, of 13843 Highway 105 West, Suite 212, Conroe, Texas 77304, who accepts
employment on the following terms and conditions.

     WHEREAS,  Employer has,  contemporaneously  herewith,  purchased all of the
assets  of  Diamondback  Directional,  Inc.,  ("Diamondback")  pursuant  to that
certain Asset Purchase  Agreement  dated effective as of September 1, 1997, (the
"APA"), between Employer and Diamondback; and

     WHEREAS,  as of the  effective  date of the APA,  Employer  has  formed its
"Diamondback  Directional  Company"  division  to  engage  in the same  business
previously undertaken by Diamondback Directional, Inc.; and

     WHEREAS, the APA requires, as a condition to closing thereof, that Employee
enter into this Employment Agreement;

     NOW,  THEREFORE,  in  consideration  of  the  premises,  and  to  meet  the
requirements of the APA that Employee enter this contract with Employer, and the
Mutual  covenants  hereinafter  set forth,  faithfully to be kept by the parties
hereto,  the receipt and sufficiency of which  consideration  is acknowledged by
Employer and Employee; it is agreed as follows:




                                    ARTICLE 1

                               TERM OF EMPLOYMENT

     1.01.  By this  Agreement,  the  Employer  employs  the  Employee,  and the
Employee accepts employment with the Employer,  agreeing to remain in the employ
of  Employer,  for a  period  of  five  (5)  years  beginning  on the 1st day of
September, 1997.

                                    ARTICLE 2

                                  COMPENSATION

                               Basic Compensation

     2.01. As compensation for all services  rendered under this Agreement,  the
Employee shall be paid by the Employer a salary of $225,000.00 per year, payable
bi-monthly, in arrears.

                                    ARTICLE 3

                               DUTIES OF EMPLOYEE

                                     Duties

     3.01. The Employee is employed as Vice President of Employer's  Diamondback
Directional  Company  division,  serving  at the  direction  and  control of the
President and officers of Employer.  Employee shall live in Conroe,  Texas,  and
work in such  areas as  required  to serve  the best  interests  of  Diamondback
Directional Company.

                               Extent of Services

     3.02.  Employee shall devote the whole of his time during  business  hours,
and at any other  time when he is  reasonably  needed,  for the  benefit  of the
Employer in its Directional  Drilling Business.  The Employee shall use his best
efforts to promote the interest and welfare of the Employer at all times.

     3.03.  Any outside  employment,  consulting or any other active  commercial
business activity of any kind is strictly  forbidden without written  permission
of the President of the Employer and shall be grounds for immediate termination;
provided that Employee's continued partial ownership of one "hot-shot" truck and
a small  passive  interest  in a  production  company  which owns oil and/or gas
wells, shall not be considered a violation of this provision.



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                                    ARTICLE 4

                NON-COMPETITION IN DIRECTIONAL DRILLING BUSINESS

     4.01.  The  Employee  agrees  that  for  and  during  the  duration  of his
employment,  and for two years after termination of employment (the "Non-Compete
Term), he will not directly or indirectly become employed by or associated with,
in any  capacity,  any  other  person,  firm or  corporation  which  operates  a
Directional  Drilling  Business in the States of Texas,  Louisiana,  New Mexico,
Wyoming, Colorado,  Montana,  Oklahoma,  Alabama, North Dakota, South Dakota and
Mississippi (the  "Non-Compete  Area"),  which area is deemed  reasonable by the
parties  considering that the Employer and Diamondback  Directional,  Inc., have
entered  into,  contemporaneously  herewith,  the APA, and also desire to comply
with the Texas  Covenant Not to Compete Act, and further  considering  the prior
and anticipated  business plan of the Employer,  including,  without limitation,
the prior  business  area of  Diamondback  Directional,  Inc.,  and the plan for
Employee to be exposed to  Employer's  offices,  facilities,  customer  base and
trade secrets in the Non-Compete Area, and the plan for Diamondback  Directional
Company to expand into one or more parts of the Non-Compete Area.

     4.02.  It is agreed by the parties  hereto that, in the event of any breach
on the  non-competition  provisions  of  Section  4.01  hereof,  legal  remedies
available to the Employer would be inadequate.  Therefore,  in the event of such
breach, the Employer is specifically authorized to apply to a court of competent
jurisdiction to enjoin any violation of such provision.

                                    ARTICLE 5

                          EMPLOYEE BENEFITS AND BONUSES

     5.01.  The Employer  agrees that the Employee  will be entitled to the same
benefits package as like Employees of Employer.

                           Medical and Dental Benefits

     5.02.  Pursuant to Employer's  company group plan,  the Employer  agrees to
include the Employee in the hospital,  surgical, medical and dental benefit plan
adopted by the Employer from time to time.

                              Group Life Insurance

     5.03.  Pursuant to Employer's  company group plan,  the Employer  agrees to
include  the  Employee  under the group term life  insurance  policy  adopted by
Employer from time to time.

                                    ARTICLE 6

                 REIMBURSEMENT OF EXPENSES INCURRED BY EMPLOYEE

                                Business Expenses

     6.01.  In accord  with  Employer's  standard  practices,  the  Employee  is
authorized to incur reasonable  business  expenses for promoting the business of
the  Employer,  some of which  must be  approved  in advance  by  Employer.  The
reasonable  business  expense may include  expenditures  for  entertainment  and
travel. Reimbursement will be in accord with Employer's standard practices.

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                                    ARTICLE 7

                                   TERMINATION

     7.01.  Employee's  employment  may  be  terminated  by  Employer  upon  the
occurrence of any of the following events:

                    (a)  At the end of the fifth year of  employment  hereunder,
                         unless extended by mutual agreement of the parties; or

                    (b)  Upon   any   material    breach   of   the   employment
                         relationship,  including  the  failure of  Employee  to
                         perform his duties, as reasonably directed by Employer;
                         or

                    (c)  Upon the death or disability of the Employee; or

                    (d)  Conviction  in a court of law of any  felony or offense
                         involving Employer's property or business.

                    (e)  Violation  of  any  part  of  the  Employer's  standard
                         policies and procedures, drug and alcohol policy or any
                         policy letters which may be issued from time to time.

                                    ARTICLE 8

                               GENERAL PROVISIONS

     8.01. All notices or other communications required under this Agreement may
be effected  either by personal  delivery in writing,  fax or by certified mail,
return  receipt  requested.  Notice  shall be  deemed to have  been  given  when
delivered  or mailed to the parties at their  respective  addresses as set forth
above or when mailed to the last address  provided in writing to the other party
by the addressee.

         The current address of Employer is:

                  c/o  Black Warrior Wireline Corp.
                  3748 Highway 45, North
                  Columbus, Mississippi 39701
                  Attn: William L. Jenkins

         The current address of Employee is:

                  Alan Mann
                  13843 Highway 105 West, Suite 212
                  Conroe, Texas  77304

     Any party may change the address to which  notices are to be  delivered  to
such party,  by notice given in accordance  with this  subparagraph to the other
party.

                                   Amendments

     8.02.  This Agreement  shall not be modified or amended except by a writing
signed by both parties.

                         Applicable Law, Enforceability

     8.03. This Agreement shall be construed and enforced in accordance with the
laws  of  the  State  of  Texas.  The  parties  have  carefully  considered  the
Non-Compete  Area and the  Non-Compete  Term, and believe both to be reasonable.
However,  should  it be  determined  that  the  non-compete  provisions  of this
Employment  Agreement is unenforceable due to the extent of the Non-Compete Area
or the duration of the Non-Compete Term, then this Employment Agreement shall be
deemed to be amended, and construed, as covering a revised Non-Compete Area, and
as being for a revised Non-Compete Term, which is reasonable and enforceable.

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                                    Captions

     8.04. The captions or headings in this  Agreement are made for  convenience
and general  reference  only and shall not be construed  to describe,  define or
limit the scope or intent of the provisions of this Agreement.

                                   Assignment

     8.05.  Neither  this  Agreement,  nor any  right,  interest  or  obligation
hereunder,  may be assigned by either of the  parties  hereto  without the prior
written  consent of the other  party,  except  that  Employer  may  assign  this
Agreement,  in whole or in part, to its  subsidiary  Boone  Wireline Co.,  Inc.,
provided  that no such  assignment  shall  relieve  Employer of any  obligations
created hereunder.

                  Entirety of Agreement, Counterpart Signatures

     8.06.  This Agreement  supersedes all other  agreements,  either oral or in
writing,  between the parties to this Agreement,  with respect to the employment
of  the  Employee  by  the  Employer.   This   Agreement   contains  the  entire
understanding of the parties and all of the covenants and agreements between the
parties with respect to such employment.

     8.07.  This document may be executed in two or more  counterparts,  each of
which shall be deemed an original,  but all of which together  shall  constitute
one and the same instrument.

     IN  WITNESS  WHEREOF,  the  Employer  by and  through  its duly  authorized
officers and the Employee have caused this  instrument to be executed under seal
effective the     day of September, 1997.

                                                BLACK WARRIOR WIRELINE CORP.
WITNESS:


                                                BY:
                                                   William L. Jenkins, President
WITNESS:



                                                 ALAN MANN



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