CHALK, G. O. -E-

Oil · District 08 · Lease #2689

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

195k BBL

Cum Gas

69k MCF

casinghead

Wells

19

Production

1993-01 — 2011-11

Peak Month

1995-10

Production History

Cum Oil: 195,415 BBL Cum Gas: 69,113 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,149 BBL/mo

Di (annual)

5.6%

b-factor

0.0

EUR

230,562 BBL

R-squared

0.363

type

exponential

Operator History (from monthly production reports)

2003-01 — 2012-04 CONOCOPHILLIPS COMPANY 112 mo
1993-01 — 2002-12 CONOCO INC. 120 mo

Wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26CITATION OIL & GAS CORP.13,3001989-05-02
28CONOCOPHILLIPS COMPANY13,3001989-05-02
29CITATION OIL & GAS CORP.13,3001989-05-02
25CITATION OIL & GAS CORP.12,1251988-06-27
24CITATION OIL & GAS CORP.23,2501988-04-26
7CITATION OIL & GAS CORP.23,2151984-03-14
22CITATION OIL & GAS CORP.23,9501983-03-07
20CONOCOPHILLIPS COMPANY23,2501980-09-10
142-227-02420CONOCOPHILLIPS COMPANY------
12W42-227-10076CONOCOPHILLIPS COMPANY------
13W42-227-10077CITATION OIL & GAS CORP.------
14W42-227-10078CITATION OIL & GAS CORP.------
1542-227-10934CITATION OIL & GAS CORP.------
1642-227-10931CITATION OIL & GAS CORP.------
1842-227-30843CONOCOPHILLIPS COMPANY------
242-227-02521CONOCOPHILLIPS COMPANY------
342-227-02167CONOCOPHILLIPS COMPANY------
542-227-02519CITATION OIL & GAS CORP.------
642-227-00509CONOCOPHILLIPS COMPANY------