MERTINS, KARL "A"

Oil · District 09 · Lease #15443

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

71k BBL

Cum Gas

19 MCF

casinghead

Wells

21

Production

1993-01 — 2026-02

Peak Month

2012-10

Production History

Cum Oil: 71,252 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

952 BBL/mo

Di (annual)

161.0%

b-factor

0.8

EUR

23,027 BBL

R-squared

0.783

type

hyperbolic

Operator History (from monthly production reports)

2024-12 — 2026-07 G D ENERGY CORPORATION 20 mo
2019-05 — 2024-11 CANYON RIDGE ENERGY LLC 67 mo
2013-08 — 2019-04 JET-STAR CO. 69 mo
2011-02 — 2013-07 2 S OPERATING 30 mo
1995-11 — 2011-01 FIELD PRODUCTION COMPANY 183 mo
1993-09 — 1995-10 STEPHENS & JOHNSON OPERATING CO. 26 mo
1993-01 — 1993-08 S & J OPERATING CO. 8 mo

Wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
29G D ENERGY CORPORATION12,0002015-04-07
28AG D ENERGY CORPORATION12,0002012-08-08
26AG D ENERGY CORPORATION12,0002012-08-07
27AG D ENERGY CORPORATION12,0002012-05-05
24G D ENERGY CORPORATION12,0002011-05-02
23G D ENERGY CORPORATION11,9002000-05-08
22G D ENERGY CORPORATION11,6001999-11-01
21G D ENERGY CORPORATION12,0001991-01-10
142-485-20021G D ENERGY CORPORATION------
1042-485-20026G D ENERGY CORPORATION------
1142-485-91069G D ENERGY CORPORATION------
1242-485-20508G D ENERGY CORPORATION------
1342-485-30432G D ENERGY CORPORATION------
1742-485-31267G D ENERGY CORPORATION------
242-485-20043G D ENERGY CORPORATION------
342-485-91061G D ENERGY CORPORATION------
442-485-21212G D ENERGY CORPORATION------
642-485-20419G D ENERGY CORPORATION------
742-485-20028G D ENERGY CORPORATION------
842-485-20024G D ENERGY CORPORATION------
942-485-20025G D ENERGY CORPORATION------