FLANAGAN -A-

Oil · District 06 · Lease #13013

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Cum Oil

23k BBL

Cum Gas

111k MCF

casinghead

Wells

1

Production

1993-01 — 2001-05

Peak Month

1993-03

Production History

Cum Oil: 23,050 BBL Cum Gas: 110,894 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

498 BBL/mo

Di (annual)

36.8%

b-factor

0.5

EUR

29,276 BBL

R-squared

0.594

type

hyperbolic

Operator History (from monthly production reports)

2017-10 — 2022-09 ROCKCLIFF ENERGY OPERATING LLC 60 mo
2007-07 — 2017-09 SAMSON LONE STAR, LLC 123 mo
2001-10 — 2007-06 SAMSON LONE STAR LP 69 mo
1998-12 — 2001-09 WILLIAMS, CLAYTON ENERGY, INC. 34 mo
1994-10 — 1998-11 SONAT EXPLORATION COMPANY -TYLER 50 mo
1993-01 — 1994-09 ROBBINS PETROLEUM CORP. 21 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6AROCKCLIFF ENERGY OPERATING LLC17,9001992-03-03