OPERATORS · RRC 815855  · P-5 STATUS Y

Starr Oper, LLC

San Antonio, TX

Watch this operator

Starr Oper, LLC has filed no drilling permits in the past 12 months; its most recent permit was issued April 4, 2018.

The RRC wellbore file lists 18 wells under its operatorship (11 producing).

Lease reports credit it with 28.3K barrels of oil and 125K mcf of gas in the 12 months reported through April 2026, down 6% on the year before.

It holds 1 active disposal or injection permit, injecting 25.8K barrels in the 12 months reported through June 2025.

1 drilling permits have been issued to this operator number since 2018; its P-5 organization report was last filed June 4, 2026.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
11
producing wells, of 18 of record
26
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County12 moAll timeWellsLast
Webb county →—10Apr 4, 2018

All 1 permits, searchable → · Leases it reports → · On the map →

Formations in its completed wells

Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →

FormationWellsPermitted last 3 yrs
No completion tops on file.

Production by month

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →

28.3K
bbl oil, last 12 reported months
-6%
vs the 12 months before
125K
mcf gas incl. casinghead, last 12
248K
bbl oil since reporting began

Oil, barrels

Last 12 months 28,340 · prior 12 30,051(-6%)

01K2K3K202420252026

Gas, mcf

Last 12 months 125,135 · prior 12 140,858(-11%)

05K10K15K202420252026

Beyond the permit record

RRC wellbore file

Wells of record

18
on the schedule
11
producing
0
shut in
0
injection
1
temp. abandoned
5
plugged

How it got them

0
permitted itself
17
acquired from others
0
permitted, now run by others

Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →

RRC UIC permits · H-10 reported volumes

Disposal and injection

1
active UIC permits of 1
500
permitted bbl/day, active
25.8K
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Starr1 active500 bbl/d

Permitted volume is a ceiling, not throughput. How to read it →

Permit types

Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →

Type12 moPrior 12All time
Drill001

Fields

RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.

P-5 organization report

As registered with the RRC. About the P-5 →

Registration
Status code Y
Last filed Jun 4, 2026
Gas operatorOil operator
Address
1250 NE Loop 410 Ste 110
San Antonio, TX 78209
(956) 330-1922
Officers and agents
Gainey, Mark P. · Texas Resident Agent
Gainey, Mark P. · Managing Member
Pahmiyer, Roger James · Managing Member
Wittig, Leonard · Managing Member
Russell, Jerry · Filing Agent

Latest permits

NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
838397Apr 4, 2018Apr 4, 2018Starr Operating, LLCWebbBillings Ranch #13,60047943955
823790Mar 10, 2017Mar 10, 2017Newgulf Petroleum, LLCJim WellsArrieta Gas Unit #25,27024932510
823787Mar 10, 2017Mar 10, 2017Newgulf Petroleum, LLCJim WellsArrieta Gas Unit #15,27024932497
762811May 20, 2013May 20, 2013Newgulf Petroleum, LLCStarrUribe et al Unit #17,50042734654
762811May 20, 2013May 20, 2013Newgulf Petroleum, LLCStarrZertuche Unit #17,50042734654
749107Nov 19, 2012Nov 19, 2012Newgulf Petroleum, LLCStarrMargo #94,99542734009
701318Aug 30, 2010Aug 30, 2010Newgulf Petroleum, LLCStarrMargo #125,00042734526
653049Jan 24, 2008Jan 24, 2008Newgulf Petroleum, LLCStarrPena #15,50042734233
653049Jan 24, 2008Jan 24, 2008Newgulf Petroleum, LLCStarrPena #15,50042734233
642423Jul 27, 2007Jul 27, 2007Paisano Petroleum, Inc.Jim WellsArturo Perez Jr. Oil Unit #25,27024932510
635439Mar 26, 2007Mar 26, 2007Newgulf Petroleum, LLCStarrMargo #114,50042734105
625572Sep 11, 2006Sep 11, 2006Paisano Petroleum, Inc.Jim WellsArturo Perez Jr Etal #15,25024932497
623919Aug 7, 2006Aug 7, 2006Newgulf Petroleum, LLCStarrMargo #105,00042734022
623102Jul 25, 2006Jul 25, 2006Newgulf Petroleum, LLCStarrMargo #95,00042734009
623102Jul 25, 2006Jul 25, 2006Newgulf Petroleum, LLCStarrMargo #95,00042734009

Full permit history →

About this data

Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.

Developers: this page as JSON is GET /v1/data/operators/tx/815855, documented in the API reference.