SUN MARK EXPLORATION

Oil · District 1 · Lease #7875

Operator: THOMAS OIL & GAS COMPANY

Cum Oil

21k BBL

Cum Gas

0 MCF

Wells

6

Production

1993-01 — 2026-03

Peak Month

2007-12

Production History

Cum Oil: 20,798 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

224 BBL/mo

Di (annual)

75.6%

b-factor

0.8

EUR

10,239 BBL

R-squared

0.566

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ABARROW, WILLIAM R. INTERESTS23,0001982-02-18
1CBARROW, WILLIAM R. INTERESTS23,0001982-02-18
2ABARROW, WILLIAM R. INTERESTS23,0001982-02-18
2BBARROW, WILLIAM R. INTERESTS23,0001982-02-18
2CBARROW, WILLIAM R. INTERESTS23,0001982-02-18
1BBARROW, WILLIAM R. INTERESTS13,0001981-09-04
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