SEFFEL -A-

Oil · District 01 · Lease #11217

Operator: SEAGULL OPERATING CO., INC.

Fields: SOMERSET

Cum Oil

29k BBL

Cum Gas

21 MCF

casinghead

Wells

13

Production

1993-01 — 2026-04

Peak Month

2006-11

Production History

Cum Oil: 28,745 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

84 BBL/mo

Di (annual)

7.3%

b-factor

0.0

EUR

13,482 BBL

R-squared

0.318

type

exponential

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 (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13KOKO SKADI, LLC21,0002000-03-23
12KOKO SKADI, LLC11,5001985-03-12
11KOKO SKADI, LLC11,6001984-06-22
142-029-02091KOKO SKADI, LLC------
1042-029-30147KOKO SKADI, LLC------
242-029-02616KOKO SKADI, LLC------
342-029-02667KOKO SKADI, LLC------
442-029-02673KOKO SKADI, LLC------
542-029-02683KOKO SKADI, LLC------
642-029-30056KOKO SKADI, LLC------
742-029-30055KOKO SKADI, LLC------
842-029-30110KOKO SKADI, LLC------
942-029-30111KOKO SKADI, LLC------