CHALK ESTATE

Oil · District 08 · Lease #2761

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

71k BBL

Cum Gas

11k MCF

casinghead

Wells

12

Production

1993-01 — 2011-11

Peak Month

1993-03

Production History

Cum Oil: 71,383 BBL Cum Gas: 10,986 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

457 BBL/mo

Di (annual)

5.2%

b-factor

0.0

EUR

97,877 BBL

R-squared

0.473

type

exponential

Operator History (from monthly production reports)

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

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
27WCITATION OIL & GAS CORP.12,6001987-01-29
25CITATION OIL & GAS CORP.22,6001986-11-13
26CITATION OIL & GAS CORP.12,6001986-11-13
1042-227-02401CONOCOPHILLIPS COMPANY------
13W42-227-10569CITATION OIL & GAS CORP.------
1642-227-30923CONOCOPHILLIPS COMPANY------
1742-227-30924CONOCOPHILLIPS COMPANY------
18W42-227-31098CITATION OIL & GAS CORP.------
242-227-02409CITATION OIL & GAS CORP.------
642-227-02402CONOCOPHILLIPS COMPANY------
742-227-02404CONOCOPHILLIPS COMPANY------
942-227-02407CONOCOPHILLIPS COMPANY------