FOSTER MCDONALD

Oil · District 08 · Lease #42332

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Cum Oil

108k BBL

Cum Gas

1.0M MCF

casinghead

Wells

4

Production

2011-09 — 2026-04

Peak Month

2013-01

Production History

Cum Oil: 107,781 BBL Cum Gas: 1,029,152 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,198 BBL/mo

Di (annual)

170.3%

b-factor

0.6

EUR

68,701 BBL

R-squared

0.748

type

hyperbolic

Operator History (from monthly production reports)

2017-12 — 2026-07 SOUTHWEST ROYALTIES, INC. 104 mo
2017-04 — 2017-11 NBL PERMIAN LLC 8 mo
2011-09 — 2017-03 WILLIAMS, CLAYTON ENERGY, INC. 67 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
605SOUTHWEST ROYALTIES, INC.18,4002012-09-25
602SOUTHWEST ROYALTIES, INC.29,0002012-01-09
603SOUTHWEST ROYALTIES, INC.18,2002012-01-09
601SOUTHWEST ROYALTIES, INC.18,2002011-03-28