CARLSON

Oil · District 7C · Lease #13535

Operator: SULLIVAN, HOLLIS R. INC.

Cum Oil

195k BBL

Cum Gas

235k MCF

casinghead

Wells

7

Production

1993-10 — 2025-08

Peak Month

1994-02

Production History

Cum Oil: 194,978 BBL Cum Gas: 234,892 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,722 BBL/mo

Di (annual)

17.0%

b-factor

0.0

EUR

191,824 BBL

R-squared

0.936

type

exponential

Operator History (from monthly production reports)

2024-10 — 2026-07 AETERNUM ENERGY, LLC 22 mo
2018-10 — 2024-09 FELDERHOFF PRODUCTION COMPANY 72 mo
2009-01 — 2018-09 CANAN MOWREY OPERATING, LLC 117 mo
1993-10 — 2008-12 SULLIVAN, HOLLIS R. INC. 183 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9AETERNUM ENERGY LLC12,0001998-10-19
8AETERNUM ENERGY LLC12,0001994-09-22
6AETERNUM ENERGY LLC12,0001993-12-10
7AETERNUM ENERGY LLC12,0001993-12-10
5AETERNUM ENERGY LLC12,0001993-10-28
2AETERNUM ENERGY LLC12,0001993-10-26
1AETERNUM ENERGY LLC12,0001993-08-24