THOMAS OIL UNIT

Oil · District 04 · Lease #13963

Operator: DEWBRE PETROLEUM CORPORATION

Fields: RIGGAN (F-8)

Cum Oil

139k BBL

Cum Gas

77k MCF

casinghead

Wells

1

Production

2014-06 — 2026-04

Peak Month

2015-03

Production History

Cum Oil: 139,299 BBL Cum Gas: 77,264 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,625 BBL/mo

Di (annual)

21.0%

b-factor

0.0

EUR

92,812 BBL

R-squared

0.305

type

exponential

Operator History (from monthly production reports)

2014-06 — 2026-07 DEWBRE PETROLEUM CORPORATION 146 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DEWBRE PETROLEUM CORPORATION29,2002015-08-17