< leases

SPONBERG, J. O.

Oil · District 04 · Lease #8961

Operator: URBAN OIL & GAS GROUP, LLC

Fields: AGUA DULCE (5600)

Cum Oil

2k BBL

Cum Gas

37k MCF

casinghead

Wells

3

Production

1993-01 — 1995-10

Peak Month

1993-05

Production History

Cum Oil: 2,346 BBL Cum Gas: 37,363 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

88 BBL/mo

Di (annual)

65.2%

b-factor

0.0

EUR

1,602 BBL

R-squared

0.326

type

exponential

Operator History (from monthly production reports)

2017-08 — 2026-07 URBAN OIL & GAS GROUP, LLC 108 mo
2017-05 — 2017-07 LINN OPERATING, LLC 3 mo
2014-12 — 2017-04 LINN OPERATING, INC. 29 mo
2000-04 — 2014-11 DEVON ENERGY PRODUCTION CO, L.P. 176 mo
1999-03 — 2000-03 PENNZENERGY EXP. & PROD., L.L.C. 13 mo
1993-01 — 1999-02 PENNZOIL EXPLORATION & PROD. CO. 74 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6 U42-355-30790URBAN OIL & GAS GROUP, LLC27,1121990-06-12
B 3 U42-355-00335URBAN OIL & GAS GROUP, LLC16,8501977-09-15
7 L42-355-30834URBAN OIL & GAS GROUP, LLC------