HELMERICH & PAYNE INC

UTICA AT 21ST ST, TULSA OK 74114, 9187425531
DRILLING OIL & GAS WELLS

2000 SEC Filings

HELMERICH & PAYNE INC, 10-K405, 2000-12-28
HELMERICH & PAYNE INC, 10-Q/A, 2000-12-19
HELMERICH & PAYNE INC, 10-Q, 2000-08-08
HELMERICH & PAYNE INC, 10-Q, 2000-05-15
HELMERICH & PAYNE INC, 10-Q, 2000-02-14
HELMERICH & PAYNE INC, SC 13G, 2000-02-11
HELMERICH & PAYNE INC, SC 13G/A, 2000-02-03
HELMERICH & PAYNE INC, DEF 14A, 2000-01-27


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