GRAHAM, B. T.

Oil · District 10 · Lease #21990

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

268k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

2000-10

Production History

Cum Oil: 268,021 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,779 BBL/mo

Di (annual)

11.5%

b-factor

0.1

EUR

203,258 BBL

R-squared

0.877

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5COX, JOHN L.29,1002000-05-12
4COX, JOHN L.19,1001997-06-10
3COX, JOHN L.29,1001987-09-14
1XCOX, JOHN L.19,3001981-03-10
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