CARBONDALE UNIT

Oil · District 06 · Lease #5255

Operator: SULPHUR RIVER EXPLORATION, INC.

Cum Oil

43k BBL

Cum Gas

159k MCF

casinghead

Wells

4

Production

1993-01 — 2015-09

Peak Month

1993-05

Production History

Cum Oil: 42,771 BBL Cum Gas: 159,489 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

839 BBL/mo

Di (annual)

22.9%

b-factor

0.0

EUR

43,934 BBL

R-squared

0.429

type

exponential

Operator History (from monthly production reports)

1999-01 — 2016-02 SULPHUR RIVER EXPLORATION, INC. 206 mo
1993-01 — 1998-12 SHELL WESTERN E&P INC. 72 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SULPHUR RIVER EXPLORATION INC.110,4001982-04-26
1W42-067-01017SULPHUR RIVER EXPLORATION INC.------
242-067-01016SULPHUR RIVER EXPLORATION INC.------
342-067-01015SULPHUR RIVER EXPLORATION INC.------