HELMERICH & PAYNE INC
UTICA AT 21ST ST, TULSA OK 74114, 9187425531
DRILLING OIL & GAS WELLS
1996 SEC Filings
HELMERICH & PAYNE INC, 10-K, 1996-12-27
HELMERICH & PAYNE INC, SC 13G/A, 1996-11-12
HELMERICH & PAYNE INC, 8-K, 1996-09-12
HELMERICH & PAYNE INC, 10-Q, 1996-08-14
HELMERICH & PAYNE INC, 10-Q, 1996-05-08
HELMERICH & PAYNE INC, 10-Q, 1996-02-13
HELMERICH & PAYNE INC, SC 13G/A, 1996-02-13
HELMERICH & PAYNE INC, SC 13G/A, 1996-02-12
HELMERICH & PAYNE INC, DEF 14A, 1996-01-26
HELMERICH & PAYNE INC, 8-A12B, 1996-01-18
HELMERICH & PAYNE INC, 8-K, 1996-01-18
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