MARY"B"

Oil · District 03 · Lease #12482

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Cum Oil

101k BBL

Cum Gas

871k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1997-10

Production History

Cum Oil: 100,940 BBL Cum Gas: 870,573 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,906 BBL/mo

Di (annual)

808.3%

b-factor

1.7

EUR

55,642 BBL

R-squared

0.422

type

hyperbolic

Operator History (from monthly production reports)

2022-04 — 2026-07 WARREN PRODUCTION SERVICES 52 mo
2019-06 — 2022-03 CHESAPEAKE OPERATING, L.L.C. 34 mo
2016-12 — 2019-05 WILDHORSE RESOURCES MNGT CO, LLC 30 mo
1994-04 — 2016-11 WILLIAMS, CLAYTON ENERGY, INC. 272 mo
1993-01 — 1994-03 UNITED TRANS-WESTERN, INC. 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WARREN PRODUCTION SERVICES18,9501979-07-19