RUBY 50

Oil · District 7B · Lease #28180

Operator: SIMPSON OIL & LAND CO.

Cum Oil

37k BBL

Cum Gas

320k MCF

casinghead

Wells

1

Production

1997-04 — 2011-02

Peak Month

1997-04

Production History

Cum Oil: 37,313 BBL Cum Gas: 319,629 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,186 BBL/mo

Di (annual)

183.5%

b-factor

0.4

EUR

23,627 BBL

R-squared

0.939

type

hyperbolic

Operator History (from monthly production reports)

1999-07 — 2021-04 CLEAR FORK, INCORPORATED 262 mo
1998-06 — 1999-06 SIMPSON OIL & LAND CO. 13 mo
1998-04 — 1998-05 EEX CORPORATION 2 mo
1997-04 — 1998-03 ENSERCH EXPLORATION, INC 12 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENSERCH EXPLORATION INC34,7002013-01-23