CHALK, G. O. -C-

Oil · District 08 · Lease #2687

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

55k BBL

Cum Gas

6k MCF

casinghead

Wells

15

Production

1993-01 — 2011-11

Peak Month

1995-12

Production History

Cum Oil: 55,277 BBL Cum Gas: 6,480 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

949 BBL/mo

Di (annual)

37.7%

b-factor

0.6

EUR

61,421 BBL

R-squared

0.727

type

hyperbolic

Operator History (from monthly production reports)

2003-01 — 2012-03 CONOCOPHILLIPS COMPANY 111 mo
1993-01 — 2002-12 CONOCO INC. 120 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
23CITATION OIL & GAS CORP.23,2501980-08-28
23WCITATION OIL & GAS CORP.23,2501980-08-28
11W42-227-10062CONOCOPHILLIPS COMPANY------
12W42-227-10063CONOCOPHILLIPS COMPANY------
13W42-227-10064CONOCOPHILLIPS COMPANY------
15W42-227-10067CONOCOPHILLIPS COMPANY------
1642-227-10066CONOCOPHILLIPS COMPANY------
1742-227-30003CITATION OIL & GAS CORP.------
1842-227-30002CONOCOPHILLIPS COMPANY------
19WS42-227-30297CONTINENTAL OIL COMPANY------
242-227-02516CONOCOPHILLIPS COMPANY------
2242-227-30842CONOCOPHILLIPS COMPANY------
4W42-227-02421CONOCOPHILLIPS COMPANY------
642-227-00511CONOCOPHILLIPS COMPANY------
7W42-227-00505CONOCOPHILLIPS COMPANY------