Financial reports
10-Q
2011 Q3
Quarterly report
22 Nov 11
NT 10-Q
Notice of late quarterly filing
10 Nov 11
10-Q
2011 Q1
Quarterly report
2 Sep 11
10-Q
2011 Q2
Quarterly report
2 Sep 11
NT 10-Q
Notice of late quarterly filing
9 Aug 11
NT 10-Q
Notice of late quarterly filing
11 May 11
10-K
2010 FY
Annual report
15 Mar 11
10-Q
2010 Q3
Quarterly report
5 Nov 10
10-Q
2010 Q2
Quarterly report
5 Aug 10
Current reports
8-K
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
27 Jul 11
8-K
Changes in Registrant's Certifying Accountant
20 Apr 11
8-K
Entry into a Material Definitive Agreement
1 Mar 11
8-K
Entry into a Material Definitive Agreement
28 Feb 11
8-K
Allis-Chalmers Energy Announces Record Date and Meeting Date for Special
25 Jan 11
8-K
Departure of Directors or Certain Officers
5 Jan 11
8-K
Material Impairments
17 Dec 10
8-K
Entry into a Material Definitive Agreement
12 Nov 10
8-K
Results of Operations and Financial Condition
4 Nov 10
8-K
Entry into a Material Definitive Agreement
5 Oct 10
Registration and prospectus
15-15D
Suspension of duty to report
22 Feb 12
15-12B
Securities registration termination
11 Mar 11
25-NSE
Exchange delisting
24 Feb 11
S-8 POS
Registration of securities for employees (post-effective amendment)
24 Feb 11
S-8 POS
Registration of securities for employees (post-effective amendment)
24 Feb 11
S-8 POS
Registration of securities for employees (post-effective amendment)
24 Feb 11
425
Business combination disclosure
22 Feb 11
425
Business combination disclosure
3 Feb 11
425
Business combination disclosure
25 Jan 11
425
Business combination disclosure
26 Nov 10
Proxies
DEFA14A
Additional proxy soliciting materials
22 Feb 11
DEFA14A
Additional proxy soliciting materials
3 Feb 11
DEFA14A
Additional proxy soliciting materials
3 Feb 11
DEFA14A
Additional proxy soliciting materials
25 Jan 11
DEFM14A
Proxy related to merger
25 Jan 11
DEFA14A
Additional proxy soliciting materials
11 Jan 11
DEFA14A
Additional proxy soliciting materials
5 Jan 11
DEFA14A
Additional proxy soliciting materials
30 Nov 10
DEFA14A
Additional proxy soliciting materials
26 Nov 10
DEFA14A
Additional proxy soliciting materials
26 Nov 10
Other
UPLOAD
Letter from SEC
4 Nov 10
CORRESP
Correspondence with SEC
6 Oct 10
UPLOAD
Letter from SEC
29 Sep 10
CORRESP
Correspondence with SEC
24 Aug 10
CORRESP
Correspondence with SEC
13 Aug 10
UPLOAD
Letter from SEC
29 Jul 10
EFFECT
Notice of effectiveness
14 Jul 08
CORRESP
Correspondence with SEC
11 Jul 08
CORRESP
Correspondence with SEC
1 Jul 08
CORRESP
Correspondence with SEC
25 Jun 08
Ownership
SC 13D/A
Bulgheroni Alejandro Pedro
17 Mar 11
SC 13D/A
LIME ROCK PARTNERS V LP
1 Mar 11
144
Notice of proposed sale of securities
15 Nov 06
144
Notice of proposed sale of securities
15 Nov 06
144
Notice of proposed sale of securities
14 Nov 06
144
Notice of proposed sale of securities
14 Nov 06
144
Notice of proposed sale of securities
14 Nov 06
144
Notice of proposed sale of securities
14 Nov 06
144
Notice of proposed sale of securities
11 Aug 06
144
Notice of proposed sale of securities
11 May 06