WESTBROOK 21

Oil · District 08 · Lease #38112

Operator: STANOLIND PRODUCTION LLC

Fields: CONGER (PENN)

Cum Oil

11k BBL

Cum Gas

361k MCF

casinghead

Wells

2

Production

2007-02 — 2026-04

Peak Month

2007-05

Production History

Cum Oil: 10,899 BBL Cum Gas: 360,629 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

180 BBL/mo

Di (annual)

24.0%

b-factor

0.2

EUR

11,047 BBL

R-squared

0.813

type

hyperbolic

Operator History (from monthly production reports)

2022-01 — 2026-07 BURK ROYALTY CO., LTD. 55 mo
2021-01 — 2021-12 SLANT OPERATING, LLC 12 mo
2018-07 — 2020-12 STANOLIND PRODUCTION LLC 30 mo
2014-08 — 2018-06 EQT PRODUCTION TEXAS, LLC 47 mo
2007-02 — 2014-07 RANGE PRODUCTION COMPANY 90 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5BURK ROYALTY CO., LTD.27,9002000-10-26
2BURK ROYALTY CO., LTD.27,8001995-12-14