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HELMERICH & PAYNE INC

SIC 1381 · Drilling Oil & Gas Wells
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$HP

HELMERICH & PAYNE INC

CIK:0000046765|SEC Filings

ARTICLES AND BYLAWS

EX-3.1
a17-27862_1ex3d1.htm
2017-12-05T00:00:00Z
EX-3.1
a16-17965_1ex3d1.htm
2016-09-07T00:00:00Z
EX-3.1
a14-15047_1ex3d1.htm
2014-06-09T00:00:00Z
EX-3.1
a14-14970_1ex3d1.htm
2014-06-06T00:00:00Z
EX-3.1
a13-20178_1ex3d1.htm
2013-09-04T00:00:00Z
EX-3.1
a12-7098_1ex3d1.htm
2012-03-14T00:00:00Z
EX-3.2
a12-7098_1ex3d2.htm
2012-03-14T00:00:00Z
EX-3.1
a07-23514_1ex3d1.htm
2007-09-10T00:00:00Z
EX-3.3
a2225015zex-3_3.htm
2015-06-25T00:00:00Z
EX-3.4
a2225015zex-3_4.htm
2015-06-25T00:00:00Z
EX-3.1
a2175096zex-3_1.htm
2006-12-13T00:00:00Z
EX-3.2
EX-3.2.txt
1996-12-27T00:00:00Z
EX-3.1
EX-3.1.txt
1996-12-27T00:00:00Z
EX-3.1
d33516exv3w1.htm
2006-03-02T00:00:00Z
EX-3.2
d96964ex3-2.txt
2002-05-15T00:00:00Z
EX-3.1
hp-arbyxlawsfinal09112024.htm
2024-09-12T00:00:00Z
EX-3.1
hp-amendedrestatedbyxlawsf.htm
2023-03-03T00:00:00Z
EX-3.1
exhibit31amendedrestated.htm
2021-06-02T00:00:00Z