< leases

KIRBY-BLACK STONE OL

Oil · District 06 · Lease #13921

Operator: WILD CAT OPERATING COMPANY

Fields: BROOKELAND (AUSTIN CHALK, 8800)

Cum Oil

73k BBL

Cum Gas

63k MCF

casinghead

Wells

1

Production

1999-04 — 2026-03

Peak Month

2000-11

Production History

Cum Oil: 72,739 BBL Cum Gas: 62,592 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,256 BBL/mo

Di (annual)

73.5%

b-factor

0.9

EUR

66,523 BBL

R-squared

0.693

type

hyperbolic

Operator History (from monthly production reports)

2020-06 — 2026-07 SHOCO PRODUCTION LLC 74 mo
2019-05 — 2020-05 SHOCO PRODUCTION, L.P. 13 mo
2014-10 — 2019-04 CORNERSTONE PETROLEUM OP, LLC 55 mo
2011-11 — 2014-09 THREE FORKS RESOURCES, LLC 35 mo
2010-12 — 2011-10 SPUR OPERATING CO. 11 mo
2004-01 — 2010-11 SISTERS OPERATING COMPANY 83 mo
2002-01 — 2003-12 WILD CAT OPERATING COMPANY 24 mo
1999-09 — 2001-12 CORE E & P CORP. 28 mo
1999-04 — 1999-08 CHESAPEAKE OPERATING, INC. 5 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1 H42-351-30677SHOCO PRODUCTION LLC113,6541997-01-23