JOHNSON -86-

Oil · District 08 · Lease #32391

Operator: SMITH & MARRS INC.

Cum Oil

339k BBL

Cum Gas

928k MCF

casinghead

Wells

10

Production

1993-01 — 2011-01

Peak Month

1994-06

Production History

Cum Oil: 338,645 BBL Cum Gas: 928,310 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,182 BBL/mo

Di (annual)

10.0%

b-factor

0.0

EUR

379,713 BBL

R-squared

0.853

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2011-07 — 2021-01 LEGACY RESERVES OPERATING LP 115 mo
1999-09 — 2011-06 ATLANTIC OPERATING, INC. 142 mo
1999-01 — 1999-08 SMITH & MARRS INC. 8 mo
1998-09 — 1998-12 GOTHIC PRODUCTION CORPORATION 4 mo
1995-06 — 1998-08 GOTHIC ENERGY CORPORATION 39 mo
1993-01 — 1995-05 JRP RESOURCES, L.C. 29 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4EXTEX OPERATING COMPANY36,5002011-01-20
7EXTEX OPERATING COMPANY26,5002011-01-20
8EXTEX OPERATING COMPANY26,5002011-01-20
9EXTEX OPERATING COMPANY36,5002011-01-20
1EXTEX OPERATING COMPANY36,5002010-07-01
6EXTEX OPERATING COMPANY36,5002010-07-01
10EXTEX OPERATING COMPANY26,5002009-09-25
2EXTEX OPERATING COMPANY26,5002009-09-25
5EXTEX OPERATING COMPANY26,5002009-09-25
3EXTEX OPERATING COMPANY26,5002009-09-21