CHALK, G. O.

Oil · District 08 · Lease #41207

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

92k BBL

Cum Gas

46k MCF

casinghead

Wells

12

Production

2011-12 — 2026-04

Peak Month

2019-02

Production History

Cum Oil: 91,907 BBL Cum Gas: 46,097 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

848 BBL/mo

Di (annual)

13.6%

b-factor

0.0

EUR

74,899 BBL

R-squared

0.362

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 (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
27CITATION OIL & GAS CORP.14,3002018-08-24
24CITATION OIL & GAS CORP.23,2002009-06-29
26CITATION OIL & GAS CORP.23,2001984-05-22
25CITATION OIL & GAS CORP.13,2001983-05-06
25WCITATION OIL & GAS CORP.13,2001983-05-06
22CITATION OIL & GAS CORP.23,1001980-07-16
1242-227-00503CITATION OIL & GAS CORP.------
13 L42-227-10051CITATION OIL & GAS CORP.------
14 L42-227-10052CITATION OIL & GAS CORP.------
15 L42-227-10053CITATION OIL & GAS CORP.------
1942-227-30095CITATION OIL & GAS CORP.------
20D42-227-30294CITATION OIL & GAS CORP.------