JOINT FILING AGREEMENT
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In accordance with Rule 13d-1(f) under the Securities and Exchange Act
of 1934, as amended, the persons named below agree to the joint filing on behalf
of each of them of a statement on Schedule 13D (including amendments thereto)
with respect to the Common Stock, par value $0.10 per share, of DI Industries,
Inc., a Texas corporation.
EXECUTED effective February 6, 1997.
_________________ XXXXXXXX DRILLING COMPANY
(Date)
By:
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Xxxxxx Xxxxxxxx, President
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(Date) Xxxxxx Xxxxxxxx
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(Date) Xxxxxx X. Xxxxxxxx
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(Date) Xxxxx X. Xxxxxx
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(Date) F.C. West