52 results
Page 3 of 3
8-K
EX-99
v8sy59z3
31 Aug 06
Helmerich & Payne Announces Conference Participation and Rig Construction Update
12:00am
8-K
EX-99.1
zuq2a
9 Jan 06
Regulation FD Disclosure
12:00am
8-K
EX-99.1
xauu5 xau3zvzpk
8 Sep 05
Regulation FD Disclosure
12:00am
8-K
EX-99.1
i314y xj7sfdeg
9 Aug 05
Regulation FD Disclosure
12:00am
8-K
EX-99.1
444tim2ot zq8bf6gayz
11 May 05
Regulation FD Disclosure
12:00am
8-K
EX-99.1
0hiv77fb
5 Apr 05
Regulation FD Disclosure
12:00am
8-K
EX-99.1
lpbnlx
16 Feb 05
Regulation FD Disclosure
12:00am
8-K
EX-99.1
cacfcexcu15wjvo
15 Dec 04
Regulation FD Disclosure
12:00am
425
olbno
21 May 02
Business combination disclosure
12:00am