Texas county · RRC district 04

San Patricio County

San Patricio County reported 183,979 barrels of oil and 1.2 million mcf of gas in the last 12 months. That ranks 139th of 224 Texas counties by oil.

County dossier

183,979bbl oil, last 12 months−8% vs prior year

Producing leases: 79of 336 on record
Operators: 22
Fields: 54
Top operator: McGowan Working Partners, Inc.

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Where it sits

This county

San Patricio County · RRC district 04

Gas, last 12 months: 1,178,012 mcf
Share of Texas oil: <0.1%
Data through: Jul 2026
Top field: Plymouth

Five years of output in San Patricio County

Oil output in San Patricio County fell 8% over the last 12 months

184k bbl through Jul 2026, against 200k bbl a year earlier. Peak Mar 2023: 28.1k bbl.

Gas output in San Patricio County held steady over the last 12 months

1.2M mcf through Jul 2026, against 1.2M mcf a year earlier. Peak May 2023: 234k mcf.

SourceTexas Railroad Commission Production Data Query, county totals, through Jul 2026, file dated Sep 18, 2026.

The biggest leases in San Patricio County

Find a leaseOperatorSort

Under each volume: change on the year before.

WELDER, E. H., -C-
04-02126McGowan Working Partners, Inc.Plymouth
33,755bbl oil−1%
USHER
04-08948Mayfield Energy, LLCAransas Pass
14,302bbl oil+8%
BERRY RANCH
04-14271Aurora Resources CorporationMeehan (Frio)
14,223bbl oiln/a
PORTLAND GAS UNIT "D"
04-233979Sulphur River Exploration, Inc.Portland, N. (Commonwealth Serie
292,358mcf gas+733%
WELDER, MINNIE S.
04-12594Allegiant Resources, LLCPortilla (Frio)
11,817bbl oil−42%
STATE TRACT 975
04-14215Paleo Oil Company LLCWhite Point, East
9,268bbl oil+76%
DIMMICK
04-08568Anderson Oil Ltd.Plymouth (5100)
7,691bbl oil−5%
PORTLAND GAS UNIT 'A'
04-281783Sulphur River Exploration, Inc.Portland, W. (F-13)
168,258mcf gas−1%
FRWL
04-14208Poco LLCSpartan (6600 Sand)
6,658bbl oiln/a
DUNGAN-KEY TRUST
04-14121Poco LLCSpartan (F-A)
6,185bbl oil+23%
WELDER, E.H. -C-
04-12523McGowan Working Partners, Inc.Plymouth (6000 -B- Sand)
5,747bbl oil−1%
WELDER, R.H. "B"
04-13735Dallas Petroleum Group, LLCSinton, North (4700 Sand)
5,724bbl oil−10%
PAPPY REVIVAL UNIT NO. 1
04-14141Sandalwood Exploration, L.P.Papalote, South (Catahoula)
5,598bbl oil−8%
E. H. WELDER 'C'
04-13790McGowan Working Partners, Inc.Plymouth (6100 Sand)
3,527bbl oil−3%
MATULA 1R
04-13471Dove Creek Energy, Inc.Gaines (7700)
3,389bbl oiln/a
FISCHER, NELLIE I.
04-12240Harris Energy Services, LLCRiverside, East (6200)
2,817bbl oil−50%
STATE TRACT 974
04-281626Paleo Oil Company LLCNueces Bay Deep Consolidated
64,764mcf gas−17%
MARYLAND TRUST
04-13353Kaler Energy Corp.McCampbell (Deep Frio Cons.)
2,755bbl oil+19%
PAPPY UNIT NO. 2
04-13901Sandalwood Exploration, L.P.Papalote, South (Catahoula)
2,394bbl oil−1%
GEORGE
04-13241Sun Exploration, Inc.Het (2700)
2,362bbl oil+4%
NUECES BAY STATE TRACT 688
04-242306Orx Resources, L.L.C.Nueces Bay Deep Consolidated
54,375mcf gas−19%
STATE TRACT 975
04-13867Paleo Oil Company LLCWhite Point, E. (Scooter Sand)
2,293bbl oil−15%
FISCHER RANCH
04-14230Harris Energy Services, LLCRiverside
1,875bbl oil−60%
MCCANN, OLA GAS UNIT
04-276012Magnum Producing, LPMidway (9150)
43,089mcf gas+3%
LLD-MOONRAKER UNIT
04-14262Poco LLCSpartan (Hightower Sand)
1,702bbl oiln/a

Producing leases in San Patricio County

WELDER, E. H., -C-04-02126McGowan Working Partners, Inc.Plymouth	33,755bbl oil	−1%
USHER04-08948Mayfield Energy, LLCAransas Pass	14,302bbl oil	+8%
BERRY RANCH04-14271Aurora Resources CorporationMeehan (Frio)	14,223bbl oil	n/a
PORTLAND GAS UNIT "D"04-233979Sulphur River Exploration, Inc.Portland, N. (Commonwealth Serie	292,358mcf gas	+733%
WELDER, MINNIE S.04-12594Allegiant Resources, LLCPortilla (Frio)	11,817bbl oil	−42%
STATE TRACT 97504-14215Paleo Oil Company LLCWhite Point, East	9,268bbl oil	+76%
DIMMICK04-08568Anderson Oil Ltd.Plymouth (5100)	7,691bbl oil	−5%
PORTLAND GAS UNIT 'A'04-281783Sulphur River Exploration, Inc.Portland, W. (F-13)	168,258mcf gas	−1%
FRWL04-14208Poco LLCSpartan (6600 Sand)	6,658bbl oil	n/a
DUNGAN-KEY TRUST04-14121Poco LLCSpartan (F-A)	6,185bbl oil	+23%
WELDER, E.H. -C-04-12523McGowan Working Partners, Inc.Plymouth (6000 -B- Sand)	5,747bbl oil	−1%
WELDER, R.H. "B"04-13735Dallas Petroleum Group, LLCSinton, North (4700 Sand)	5,724bbl oil	−10%
PAPPY REVIVAL UNIT NO. 104-14141Sandalwood Exploration, L.P.Papalote, South (Catahoula)	5,598bbl oil	−8%
E. H. WELDER 'C'04-13790McGowan Working Partners, Inc.Plymouth (6100 Sand)	3,527bbl oil	−3%
MATULA 1R04-13471Dove Creek Energy, Inc.Gaines (7700)	3,389bbl oil	n/a
FISCHER, NELLIE I.04-12240Harris Energy Services, LLCRiverside, East (6200)	2,817bbl oil	−50%
STATE TRACT 97404-281626Paleo Oil Company LLCNueces Bay Deep Consolidated	64,764mcf gas	−17%
MARYLAND TRUST04-13353Kaler Energy Corp.McCampbell (Deep Frio Cons.)	2,755bbl oil	+19%
PAPPY UNIT NO. 204-13901Sandalwood Exploration, L.P.Papalote, South (Catahoula)	2,394bbl oil	−1%
GEORGE04-13241Sun Exploration, Inc.Het (2700)	2,362bbl oil	+4%
NUECES BAY STATE TRACT 68804-242306Orx Resources, L.L.C.Nueces Bay Deep Consolidated	54,375mcf gas	−19%
STATE TRACT 97504-13867Paleo Oil Company LLCWhite Point, E. (Scooter Sand)	2,293bbl oil	−15%
FISCHER RANCH04-14230Harris Energy Services, LLCRiverside	1,875bbl oil	−60%
MCCANN, OLA GAS UNIT04-276012Magnum Producing, LPMidway (9150)	43,089mcf gas	+3%
LLD-MOONRAKER UNIT04-14262Poco LLCSpartan (Hightower Sand)	1,702bbl oil	n/a

Showing 25 of 79, ranked by output value.

Every lease in San Patricio County, A to Z →

SourceTexas Railroad Commission Production Data Query.

Who runs the leases, and what they produce

Operators in San Patricio County, by oil

McGowan Working Partners leads

Fields in San Patricio County, by oil

Plymouth leads

More operators here

OperatorProline Energy Resources Inc20 OperatorSandalwood Exploration, L.P.2 OperatorDallas Petroleum Group, LLC6 OperatorAnderson Oil Ltd.1

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Recent drilling permits in San Patricio County

BARRETT-BERRY #1
re-entry · Aurora Resources Corporation · San Patricio County
Permit 0917216 · Jul 20, 2026
GORMAN #1
new drill · MPG Petroleum, Inc. · San Patricio County
Permit 0913835 · Mar 6, 2026
GULLEY #1
new drill · Ozona CCS LLC · San Patricio County
Permit 0910790 · Oct 1, 2025
BERRY RANCH #1
new drill · Aurora Resources Corporation · San Patricio County
Permit 0909764 · Sep 5, 2025
NEY #1
new drill · Paloma Operating, LLC · San Patricio County
Permit 0909503 · Aug 25, 2025
GODWIN FARMS #1
new drill · Dove Creek Energy, Inc. · San Patricio County
Permit 0904823 · Dec 20, 2024