< leases

RINGO "A"

Oil · District 7C · Lease #7930

Operator: TAMARACK PETROLEUM COMPANY, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

124k BBL

Cum Gas

610k MCF

casinghead

Wells

5

Production

1993-01 — 2023-07

Peak Month

2006-05

Production History

Cum Oil: 123,594 BBL Cum Gas: 609,569 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,655 BBL/mo

Di (annual)

28.0%

b-factor

0.2

EUR

88,175 BBL

R-squared

0.852

type

hyperbolic

Operator History (from monthly production reports)

2010-12 — 2026-07 APACHE CORPORATION 188 mo
2007-12 — 2010-11 MARINER ENERGY, INC. 36 mo
1993-01 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 179 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6TM42-383-35717APACHE CORPORATION18,6502006-03-17
3TM42-383-35696APACHE CORPORATION19,0002006-01-19
4TM42-383-35650APACHE CORPORATION19,0002005-11-16
142-383-31354APACHE CORPORATION18,2001979-04-04
242-383-31353APACHE CORPORATION18,2001979-04-04