CHALK ESTATE

Oil · District 08 · Lease #41224

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

115k BBL

Cum Gas

60k MCF

casinghead

Wells

15

Production

2011-12 — 2026-04

Peak Month

2016-08

Production History

Cum Oil: 115,302 BBL Cum Gas: 59,515 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,131 BBL/mo

Di (annual)

14.9%

b-factor

0.0

EUR

90,890 BBL

R-squared

0.716

type

exponential

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 (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31CITATION OIL & GAS CORP.14,2002014-10-14
28CITATION OIL & GAS CORP.14,2002013-10-25
27WCITATION OIL & GAS CORP.12,6001987-01-29
25CITATION OIL & GAS CORP.22,6001986-11-13
26CITATION OIL & GAS CORP.12,6001986-11-13
23WCITATION OIL & GAS CORP.13,2001986-05-27
24CITATION OIL & GAS CORP.13,2001986-05-27
24WCITATION OIL & GAS CORP.13,2001986-05-27
21CITATION OIL & GAS CORP.13,4001985-10-28
19CITATION OIL & GAS CORP.13,1001983-05-12
13W42-227-10569CITATION OIL & GAS CORP.------
15W42-227-30344CITATION OIL & GAS CORP.------
18W42-227-31098CITATION OIL & GAS CORP.------
242-227-02409CITATION OIL & GAS CORP.------
542-227-02408CITATION OIL & GAS CORP.------