OCONNOR, THOS.

Oil · District 02 · Lease #4000

Operator: PRIMROSE OPERATING COMPANY

Fields: GRETA (4400)

Cum Oil

84k BBL

Cum Gas

135k MCF

casinghead

Wells

4

Production

1993-01 — 2010-10

Peak Month

2001-06

Production History

Cum Oil: 84,383 BBL Cum Gas: 134,736 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,200 BBL/mo

Di (annual)

24.1%

b-factor

0.4

EUR

92,590 BBL

R-squared

0.608

type

hyperbolic

Operator History (from monthly production reports)

2010-11 — 2014-07 ACOCK/ANAQUA OPERATING CO., LP 45 mo
2007-10 — 2010-10 CAMBRIAN MANAGEMENT, LTD. 37 mo
2007-04 — 2007-09 CAMBRIAN MANAGEMENT LTD 6 mo
2002-11 — 2007-03 PRIMROSE OPERATING COMPANY 53 mo
1993-01 — 2002-10 DEWBRE PETROLEUM CORPORATION 118 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ACOCK/ANAQUA OPERATING CO. LP24,4202010-08-02
7CAMBRIAN MANAGEMENT, LTD.36,3002003-08-18
6ACOCK/ANAQUA OPERATING CO. LP14,5001979-08-28
342-391-00985ACOCK/ANAQUA OPERATING CO. LP------