FOSTER, W. L., JR. -B-

Oil · District 08 · Lease #10101

Operator: XOG OPERATING LLC

Cum Oil

123k BBL

Cum Gas

5k MCF

casinghead

Wells

14

Production

1993-01 — 2019-08

Peak Month

1993-01

Production History

Cum Oil: 123,004 BBL Cum Gas: 4,676 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,322 BBL/mo

Di (annual)

13.5%

b-factor

0.0

EUR

117,537 BBL

R-squared

0.711

type

exponential

Operator History (from monthly production reports)

2020-04 — 2026-07 D & D WELL SERVICE, L.L.C. 76 mo
2016-04 — 2020-03 BAYLOR OPERATING, LLC 48 mo
2009-09 — 2016-03 XOG OPERATING LLC 79 mo
2005-04 — 2009-08 BARKER BROWN INVESTMENTS, LLC. 53 mo
2005-01 — 2005-03 RORY ENERGY 3 mo
2004-08 — 2004-12 ADT INVESTMENTS, INC. 5 mo
2002-04 — 2004-07 XERIC OIL & GAS CORPORATION 28 mo
1999-04 — 2002-03 POWELL, A. BRANDT CO. 36 mo
1995-08 — 1999-03 POWELL, A. BRANDT 44 mo
1994-11 — 1995-07 DALLAS PRODUCTION, INC. 9 mo
1993-01 — 1994-10 UNION OIL COMPANY OF CALIFORNIA 22 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8D & D WELL SERVICE L.L.C.12,3202001-04-04
8RD & D WELL SERVICE L.L.C.12,3202001-04-04
18 LD & D WELL SERVICE L.L.C.23,2001989-02-17
19 LD & D WELL SERVICE L.L.C.23,2001988-12-22
21D & D WELL SERVICE L.L.C.13,0001987-05-19
21 LD & D WELL SERVICE L.L.C.13,0001987-05-19
22 LD & D WELL SERVICE L.L.C.13,0001987-05-19
20 LD & D WELL SERVICE L.L.C.13,2001986-09-29
17D & D WELL SERVICE L.L.C.13,2001985-10-24
1042-431-00525D & D WELL SERVICE L.L.C.------
1142-431-00526D & D WELL SERVICE L.L.C.------
1242-431-00527D & D WELL SERVICE L.L.C.------
642-431-00521D & D WELL SERVICE L.L.C.------
942-431-00524D & D WELL SERVICE L.L.C.------