SOVEREIGN -B-

Oil · District 7B · Lease #27124

Operator: PRUITT ENGINEERING & PETRO. CO.

Cum Oil

9k BBL

Cum Gas

26k MCF

casinghead

Wells

1

Production

1994-03 — 2003-02

Peak Month

1994-03

Production History

Cum Oil: 9,007 BBL Cum Gas: 26,107 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

669 BBL/mo

Di (annual)

194.1%

b-factor

0.5

EUR

7,959 BBL

R-squared

0.883

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 HERITAGE PETROLEUM CORPORATION 347 mo
1994-03 — 1997-08 PRUITT ENGINEERING & PETRO. CO. 42 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HERITAGE PETROLEUM CORPORATION14,0001993-09-03