HARTUNG -A-

Oil · District 01 · Lease #1651

Operator: SEAGULL OPERATING CO., INC.

Fields: SOMERSET

Cum Oil

131k BBL

Cum Gas

21 MCF

casinghead

Wells

34

Production

1993-01 — 2026-04

Peak Month

1997-12

Production History

Cum Oil: 130,955 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

994 BBL/mo

Di (annual)

13.1%

b-factor

0.1

EUR

99,754 BBL

R-squared

0.899

type

hyperbolic

Operator History (from monthly production reports)

2022-10 — 2026-07 KOKO SKADI, LLC 46 mo
1993-01 — 2022-09 SEAGULL OPERATING CO., INC. 357 mo

Wells (34)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31KOKO SKADI, LLC11,7001997-01-06
32KOKO SKADI, LLC11,7001997-01-06
33KOKO SKADI, LLC11,7001997-01-06
34KOKO SKADI, LLC11,7001997-01-06
35KOKO SKADI, LLC11,7001997-01-06
26KOKO SKADI, LLC11,7001995-10-24
27KOKO SKADI, LLC11,7001995-10-24
28KOKO SKADI, LLC11,7001995-10-24
29KOKO SKADI, LLC11,7001995-10-24
30KOKO SKADI, LLC11,7001995-10-24
19KOKO SKADI, LLC11,6001993-05-20
20KOKO SKADI, LLC11,6001993-05-20
21KOKO SKADI, LLC11,6001993-05-20
22KOKO SKADI, LLC11,6001993-05-20
23KOKO SKADI, LLC11,6001993-05-20
24KOKO SKADI, LLC11,6001993-05-20
25KOKO SKADI, LLC11,6001993-05-20
18KOKO SKADI, LLC11,6001992-12-22
1042-013-30100KOKO SKADI, LLC------
1142-013-30101KOKO SKADI, LLC------
1242-013-30076KOKO SKADI, LLC------
1342-013-30085KOKO SKADI, LLC------
1442-013-30082KOKO SKADI, LLC------
1542-013-30083KOKO SKADI, LLC------
1642-013-30077KOKO SKADI, LLC------
1742-013-30084KOKO SKADI, LLC------
242-013-03063KOKO SKADI, LLC------
342-013-03093KOKO SKADI, LLC------
442-013-80915KOKO SKADI, LLC------
542-013-03094KOKO SKADI, LLC------
642-013-03131KOKO SKADI, LLC------
742-013-03130KOKO SKADI, LLC------
842-013-03137KOKO SKADI, LLC------
942-013-30103KOKO SKADI, LLC------