SUN MINERAL DEED 71

Oil · District 7B · Lease #23800

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

17k BBL

Cum Gas

117k MCF

casinghead

Wells

3

Production

1993-01 — 1995-09

Peak Month

1994-10

Production History

Cum Oil: 16,914 BBL Cum Gas: 116,502 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

633 BBL/mo

Di (annual)

20.6%

b-factor

0.0

EUR

36,800 BBL

R-squared

0.479

type

exponential

Operator History (from monthly production reports)

1993-09 — 1996-01 STEPHENS & JOHNSON OPERATING CO. 29 mo
1993-02 — 1993-08 S & J OPERATING CO. 7 mo
1993-01 — 1993-01 ORYX ENERGY COMPANY 1 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3STEPHENS & JOHNSON OPERATING CO.14,0001989-01-11
2STEPHENS & JOHNSON OPERATING CO.14,5001987-09-24
1STEPHENS & JOHNSON OPERATING CO.14,2001986-03-07