CHALK, MARY

Oil · District 08 · Lease #2763

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

212k BBL

Cum Gas

108k MCF

casinghead

Wells

30

Production

1993-01 — 2011-11

Peak Month

1995-10

Production History

Cum Oil: 211,629 BBL Cum Gas: 107,704 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,742 BBL/mo

Di (annual)

18.8%

b-factor

1.6

EUR

338,951 BBL

R-squared

0.728

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 (30)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
69CITATION OIL & GAS CORP.33,4001994-04-01
76CITATION OIL & GAS CORP.23,3001993-07-02
77CITATION OIL & GAS CORP.12,5001988-02-05
72CITATION OIL & GAS CORP.12,5001987-01-22
71CITATION OIL & GAS CORP.12,6001986-11-26
74WCONOCOPHILLIPS COMPANY12,6001986-11-13
1842-227-02000CONOCOPHILLIPS COMPANY------
2542-227-02012CONOCOPHILLIPS COMPANY------
2642-227-02013CITATION OIL & GAS CORP.------
2742-227-02014CONOCOPHILLIPS COMPANY------
28W42-227-02005CONOCOPHILLIPS COMPANY------
2942-227-04392CITATION OIL & GAS CORP.------
3042-227-03448CONOCOPHILLIPS COMPANY------
3142-227-03449CONOCOPHILLIPS COMPANY------
3342-227-03451CONOCOPHILLIPS COMPANY------
3442-227-10366CITATION OIL & GAS CORP.------
3742-227-10671CITATION OIL & GAS CORP.------
4W42-227-02144CONOCOPHILLIPS COMPANY------
542-227-01995CONOCOPHILLIPS COMPANY------
5142-227-30719CONOCOPHILLIPS COMPANY------
53W42-227-30727CONOCOPHILLIPS COMPANY------
5442-227-30832CITATION OIL & GAS CORP.------
5542-227-30726CITATION OIL & GAS CORP.------
5642-227-30725CONOCOPHILLIPS COMPANY------
5742-227-30724CITATION OIL & GAS CORP.------
58W42-227-31083CONOCOPHILLIPS COMPANY------
5942-227-31082CITATION OIL & GAS CORP.------
642-227-02145CONOCOPHILLIPS COMPANY------
742-227-02146CONOCOPHILLIPS COMPANY------
842-227-02147CONOCOPHILLIPS COMPANY------