CHALK, G. O.-G-

Oil · District 08 · Lease #41220

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

496k BBL

Cum Gas

140k MCF

casinghead

Wells

38

Production

2011-12 — 2026-04

Peak Month

2013-03

Production History

Cum Oil: 495,937 BBL Cum Gas: 140,175 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,611 BBL/mo

Di (annual)

22.1%

b-factor

2.0

EUR

953,275 BBL

R-squared

0.489

type

hyperbolic

Operator History (from monthly production reports)

2018-02 — 2026-07 CITATION OIL & GAS CORP. 102 mo
2011-12 — 2018-01 CONOCOPHILLIPS COMPANY 74 mo

Wells (38)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
32CITATION OIL & GAS CORP.14,3002018-11-07
58CITATION OIL & GAS CORP.14,2002013-11-25
56CITATION OIL & GAS CORP.14,5002012-06-25
54CITATION OIL & GAS CORP.14,4002010-11-30
46CITATION OIL & GAS CORP.23,3001993-08-09
52WCITATION OIL & GAS CORP.13,9001990-03-20
50WCITATION OIL & GAS CORP.12,5001988-02-08
51WCITATION OIL & GAS CORP.12,5001988-02-08
49CITATION OIL & GAS CORP.13,2001987-02-13
44CITATION OIL & GAS CORP.12,5001987-01-29
48WCITATION OIL & GAS CORP.12,5001987-01-29
43CITATION OIL & GAS CORP.12,5001987-01-22
47CITATION OIL & GAS CORP.12,5001987-01-22
41CITATION OIL & GAS CORP.12,6001986-11-07
42CITATION OIL & GAS CORP.12,6001986-11-07
45CITATION OIL & GAS CORP.12,6001986-11-07
39WCITATION OIL & GAS CORP.13,2001985-10-31
40WCITATION OIL & GAS CORP.13,2001985-10-31
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.------
19W42-227-10242CITATION OIL & GAS CORP.------
20W42-227-10670CITATION OIL & GAS CORP.------
21W42-227-10710CITATION OIL & GAS CORP.------
22W42-227-10723CITATION OIL & GAS CORP.------
24W42-227-30222CITATION OIL & GAS CORP.------
25W42-227-30276CITATION OIL & GAS CORP.------
2642-227-30264CITATION OIL & GAS CORP.------
26W42-227-30264CITATION OIL & GAS CORP.------
2942-227-30343CITATION OIL & GAS CORP.------
3142-227-30436CITATION OIL & GAS CORP.------
542-227-02030CITATION OIL & GAS CORP.------
742-227-02031CITATION OIL & GAS CORP.------
942-227-02134CITATION OIL & GAS CORP.------