FOSTER

Oil · District 08 · Lease #39363

Operator: WILLIAMS, CLAYTON ENERGY, INC.

Cum Oil

52k BBL

Cum Gas

34k MCF

casinghead

Wells

5

Production

2009-03 — 2026-04

Peak Month

2013-09

Production History

Cum Oil: 51,529 BBL Cum Gas: 33,565 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,634 BBL/mo

Di (annual)

219.2%

b-factor

1.0

EUR

42,107 BBL

R-squared

0.334

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
2009-03 — 2017-03 WILLIAMS, CLAYTON ENERGY, INC. 97 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
251SOUTHWEST ROYALTIES, INC.210,5002013-05-17
240HSOUTHWEST ROYALTIES, INC.111,0002012-07-26
5106SOUTHWEST ROYALTIES, INC.210,0002011-06-28
3910SOUTHWEST ROYALTIES, INC.110,0002011-05-23
140SOUTHWEST ROYALTIES, INC.110,5002008-09-17