ROOSTH & GENECOV

Oil · District 06 · Lease #11863

Operator: THOMAS OPERATING LTD. CO.

Cum Oil

146k BBL

Cum Gas

526k MCF

casinghead

Wells

1

Production

1993-01 — 2026-02

Peak Month

1993-03

Production History

Cum Oil: 145,928 BBL Cum Gas: 526,499 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,061 BBL/mo

Di (annual)

11.7%

b-factor

0.4

EUR

152,186 BBL

R-squared

0.916

type

hyperbolic

Operator History (from monthly production reports)

1997-12 — 2026-07 THOMAS OPERATING LTD. CO. 344 mo
1993-01 — 1997-11 THOMAS, B. K. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2THOMAS OPERATING LTD. CO.18,7001985-10-10