SHANNON, J. M., EST. -E-

Oil · District 7C · Lease #3730

Operator: SUNDOWN ENERGY LP

Cum Oil

80k BBL

Cum Gas

363 MCF

casinghead

Wells

10

Production

1993-01 — 2011-05

Peak Month

1998-01

Production History

Cum Oil: 80,286 BBL Cum Gas: 363 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

797 BBL/mo

Di (annual)

20.4%

b-factor

0.0

EUR

46,814 BBL

R-squared

0.633

type

exponential

Operator History (from monthly production reports)

2005-02 — 2018-07 SUNDOWN ENERGY LP 162 mo
2002-11 — 2005-01 SUNDOWN ENERGY, INC. 27 mo
2000-07 — 2002-10 ARKOMA PROD CO OF TEXAS, INC. 28 mo
1993-05 — 2000-06 HAWKEYE TRANSMISSION COMPANY 86 mo
1993-01 — 1993-04 COX, ROBERT G. & ASSOCIATES,INC. 4 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10CLARK OIL CO.12,6001990-06-08
16CLARK OIL CO.12,6001990-06-08
17CLARK OIL CO.12,6001990-06-08
142-105-01830CLARK OIL CO.------
242-105-02769CLARK OIL CO.------
342-105-02774CLARK OIL CO.------
442-105-02778CLARK OIL CO.------
542-105-02780CLARK OIL CO.------
742-105-02787SUNDOWN ENERGY LP------
842-105-10317CLARK OIL CO.------