NICHOLS, W. R. ET AL

Oil · District 06 · Lease #13987

Operator: SULPHUR RIVER EXPLORATION, INC.

Cum Oil

501k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

1999-10 — 2026-04

Peak Month

2000-05

Production History

Cum Oil: 500,660 BBL Cum Gas: 1,125,609 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,031 BBL/mo

Di (annual)

13.6%

b-factor

0.0

EUR

355,913 BBL

R-squared

0.431

type

exponential

Operator History (from monthly production reports)

2013-11 — 2026-07 SULPHUR RIVER EXPLORATION, INC. 153 mo
2001-05 — 2013-10 BOREAN OIL COMPANY 150 mo
1999-10 — 2001-04 SKLAR-TEX L.L.C. 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SULPHUR RIVER EXPLORATION, INC.112,0001999-07-07