FIELDS · TEXAS · FIELD 72498560

Portland, N. (Commonwealth Serie

Field · District 04 · San Patricio County

Portland, N. (Commonwealth Serie is an RRC field with 22 leases on file reported by 15 operators, in San Patricio County.

In the 12 months reported through April 2026 it produced 237,079 mcf of gas, up 531% on the year before, from 1 lease reporting volume.

Cox Exploration, Inc. holds the most, 2 leases and 292,773 mcf of gas lifetime.

Lifetime, the field has reported 5,092 barrels of oil and 16 million mcf of gas, across 1 oil and 21 gas leases.

22
leases on file · 1 oil, 21 gas
1
leases reporting volume
15
operators, all time
1
active wellbores of 32 · 1 operators today
0
bbl oil, 12 months through Apr 2026
237,079
Mcf gas, same 12 months · +531%
5,092
bbl oil, lifetime · 15.8M Mcf gas

Every well completed in it, searchable →

Reported production by month

Last 12 months 237,079 · prior 12 37,569(+531%)

020K40K2017201820192020202120222023202420252026

Portland, N. (Commonwealth Serie: Gas by month.

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 10

OperatorLeasesOil, bblGas, McfLast reported
Cox Exploration, Inc.25.09K293KJun 1999
Royal Production Company, Inc.808.46MApr 2019
Mission River Systems, Inc.2022Jul 2026
Sulphur River Exploration, Inc.203.45MJul 2026
Bass Enterprises Production Co.20362KAug 2002
Bell, Kelly Inc.200Jul 1994
Teamco Operating LLC1035.7KJan 2002
Bopco, L.P.103.2MJul 2009
Global Natural Resources Corp.100Mar 1993
Graham Royalty, Ltd.101.96KMay 1993

All 22 leases in Portland, N. (Commonwealth Serie, searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Portland Gas Unit D #5Sulphur River Exploration Inc.San PatricioMar 12, 2008—00
Cable Gas Unit #2Royal Production Company Inc.San PatricioAug 5, 2004—00
Cable Gas Unit #1Bopco L.P.San PatricioJul 23, 2003—00
Cable-Garrett #1Royal Production Company Inc.San PatricioFeb 26, 2003—00
Singleton Gas Unit #1Teamco Operating LLCSan PatricioFeb 1, 2001—00
Portland Gas Unit a #5Sulphur River Exploration Inc.San PatricioJan 3, 2001—00
London #3Royal Production Company Inc.San PatricioJan 8, 1996—00
City of Portland G.U. -B- #3Bass Enterprises Production Co.San PatricioJul 10, 1993—00
City of Portland G. U. -B- #2Bass Enterprises Production Co.San PatricioApr 16, 1993—00
Simons Gas Unit -a- #2Royal Production Company Inc.San PatricioJul 23, 1985—00

About this data

Field 72498560 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/tx/72498560, documented in the API reference.