49 results
Page 2 of 3
8-K
bke6h7kau
7 Jan 13
Departure of Directors or Certain Officers
12:00am
SC TO-T
EX-99
26eihc3iwa243
26 Apr 11
Third party tender offer statement
12:00am
8-K
EX-99.2
kza5q2ksh7np3ozdf
13 Apr 11
Chemicals Used In the Hydraulic Fracture Well Completion
12:00am
SC TO-I
EX-99
bbq 1kd5g
4 Apr 11
Issuer tender offer statement
12:00am
8-K
EX-99.1
8va6gwwaicj5jyg yi
26 May 09
Other Events
12:00am
8-K
EX-10.2.1
bmhr0e5 zemfllasb
7 Jan 09
Departure of Directors or Principal Officers
12:00am
8-K
EX-10.2.1
kgvlivady5ci
19 Dec 07
Departure of Directors or Principal Officers
12:00am
8-K
EX-10.2.1
hjfekm
5 Oct 07
Departure of Directors or Principal Officers
12:00am
8-K
EX-99
62i2o7 nosc90st
24 Aug 07
Regulation FD Disclosure
12:00am
8-K
EX-10
ae6d7dx2beorl
20 Dec 06
Departure of Directors or Principal Officers
12:00am
8-K
EX-10
kqfezzaqtzjj3w
15 Jun 06
Entry into a Material Definitive Agreement
12:00am
SC TO-I
EX-99
c87qi5 l9m9azffya
4 May 06
Issuer tender offer statement
12:00am
SC TO-I
EX-99
9i7uh76y67reyixtz
4 May 06
Issuer tender offer statement
12:00am
8-K
EX-99
9io7qp96nnlm
28 Feb 06
Departure of Directors or Principal Officers
12:00am
8-K
EX-10
w7lm oqakx
16 Jun 05
Entry into a Material Definitive Agreement
12:00am