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FOSTER "1"

Oil · District 08 · Lease #41916

Operator: THREE RIVERS OPERATING CO II LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

145k BBL

Cum Gas

46k MCF

casinghead

Wells

5

Production

2011-08 — 2026-04

Peak Month

2013-08

Production History

Cum Oil: 145,385 BBL Cum Gas: 45,890 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,920 BBL/mo

Di (annual)

18.8%

b-factor

0.0

EUR

122,270 BBL

R-squared

0.791

type

exponential

Operator History (from monthly production reports)

2022-03 — 2026-07 BASIN OIL & GAS OPERATING, LLC 53 mo
2020-04 — 2022-02 EOG RESOURCES, INC. 23 mo
2016-01 — 2020-03 THOMPSON, J. CLEO 51 mo
2014-12 — 2015-12 OXY USA INC. 13 mo
2014-02 — 2014-11 THREE RIVERS OPERATING CO II LLC 10 mo
2011-08 — 2014-01 PIONEER NATURAL RES. USA, INC. 30 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
542-165-38026BASIN OIL & GAS OPERATING, LLC113,2502014-04-17
442-165-37643BASIN OIL & GAS OPERATING, LLC112,1002012-08-09
342-165-37524BASIN OIL & GAS OPERATING, LLC112,1002011-12-23
242-165-37465BASIN OIL & GAS OPERATING, LLC213,4152011-08-29
142-165-37344BASIN OIL & GAS OPERATING, LLC112,1002011-03-22