CHALK, G. O. -G-

Oil · District 08 · Lease #19031

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

423k BBL

Cum Gas

80k MCF

casinghead

Wells

20

Production

1993-01 — 2011-11

Peak Month

1993-10

Production History

Cum Oil: 422,535 BBL Cum Gas: 80,222 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,888 BBL/mo

Di (annual)

8.9%

b-factor

1.0

EUR

661,561 BBL

R-squared

0.767

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
32CITATION OIL & GAS CORP.14,3002018-11-07
46CITATION OIL & GAS CORP.23,3001993-08-09
49CITATION OIL & GAS CORP.13,2001987-02-13
39WCITATION OIL & GAS CORP.13,2001985-10-31
40WCITATION OIL & GAS CORP.13,2001985-10-31
36CONOCOPHILLIPS COMPANY13,1001983-06-21
38CITATION OIL & GAS CORP.13,1001983-06-21
37CITATION OIL & GAS CORP.13,1001983-05-12
35CITATION OIL & GAS CORP.13,1001983-02-15
34CITATION OIL & GAS CORP.13,1001982-12-23
33CITATION OIL & GAS CORP.13,1001982-12-17
1042-227-02135CITATION OIL & GAS CORP.------
1142-227-02136CITATION OIL & GAS CORP.------
1442-227-02138CONOCOPHILLIPS COMPANY------
24W42-227-30222CITATION OIL & GAS CORP.------
25W42-227-30276CITATION OIL & GAS CORP.------
2942-227-30343CITATION OIL & GAS CORP.------
3142-227-30436CITATION OIL & GAS CORP.------
742-227-02031CITATION OIL & GAS CORP.------
942-227-02134CITATION OIL & GAS CORP.------