OBRIEN, J. M.

Oil · District 02 · Lease #3997

Operator: PRIMROSE OPERATING COMPANY

Fields: GRETA (4400)

Cum Oil

116k BBL

Cum Gas

99k MCF

casinghead

Wells

6

Production

1993-01 — 2005-05

Peak Month

2003-10

Production History

Cum Oil: 115,526 BBL Cum Gas: 98,850 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2002-11 — 2005-10 PRIMROSE OPERATING COMPANY 36 mo
1993-01 — 2002-10 DEWBRE PETROLEUM CORPORATION 118 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
312DORCHESTER OPERATING COMPANY LLC24,9002010-02-25
109DORCHESTER OPERATING COMPANY LLC67,0002008-07-21
107DORCHESTER OPERATING COMPANY LLC13,5012008-04-10
10242-391-00832DORCHESTER OPERATING COMPANY LLC------
31042-391-30392DORCHESTER OPERATING COMPANY LLC------
4142-391-01050DORCHESTER OPERATING COMPANY LLC------