CHALK, MARY

Oil · District 10 · Lease #2763

Operator: CONOCOPHILLIPS COMPANY

Cum Oil

212k BBL

Cum Gas

0 MCF

Wells

30

Production

1993-01 — 2012-04

Peak Month

1993-07

Production History

Cum Oil: 211,629 BBL Cum Gas: 0 MCF

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

Wells (30)

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