COWDEN -F-

Oil · District 08 · Lease #13785

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

69k BBL

Cum Gas

51k MCF

casinghead

Wells

13

Production

1993-01 — 2025-10

Peak Month

2009-11

Production History

Cum Oil: 68,594 BBL Cum Gas: 51,368 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2011-11 — 2026-07 RMR OPERATING, LLC 177 mo
2010-09 — 2011-10 SOJOURNER DRILLING CORPORATION 14 mo
2009-05 — 2010-08 PROSPER OIL & GAS,INC. 16 mo
2007-06 — 2009-04 PETROGULF CORPORATION 23 mo
1997-08 — 2007-05 PETROGULF, CORPORATION 118 mo
1996-04 — 1997-07 NAUMANN OIL & GAS, INC. 16 mo
1993-01 — 1996-03 SCHLACHTER, DAVID A. 39 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13RMR OPERATING, LLC26,5002002-06-10
14RMR OPERATING, LLC26,5002002-06-10
3RRMR OPERATING LLC14,5001978-03-10
142-135-02891RMR OPERATING LLC------
1042-135-31838RMR OPERATING LLC------
1142-135-31911RMR OPERATING LLC------
1242-135-32168RMR OPERATING LLC------
242-135-02892RMR OPERATING LLC------
442-135-02893RMR OPERATING LLC------
542-135-02894RMR OPERATING LLC------
642-135-31474RMR OPERATING LLC------
742-135-31606RMR OPERATING LLC------
842-135-31725RMR OPERATING LLC------