Texas oil lease

Producing

STEWART, MACO /A/ 390

Name: STEWART, MACO /A/ 390 monthly oil and gas production, Galveston County, Texas
Creator: Texas Railroad Commission

Stewart, Maco /A/ 390 is an oil lease in Galveston County, Texas, operated by Gcows Operating LLC in the Gillock (Big Gas) field.

11 wells

1,867bbl oil, last 12 months+15% vs prior year

Operator: Gcows Operating LLC
County: Galveston County
Field: Gillock (Big Gas)
RRC lease: 03-01633

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Where it sits

This county

Galveston County

Oil in Jul 2026: 83 bbl
Reporting since: Jan 2020

Production by month

Oil output rose 15% over the last 12 months

Oil (bars)
Last 12 months

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Apr 2024

Gcows Operating LLC Apr 2024 to now
Sawtooth Operating Co., Inc. Jan 2020 to Mar 2024

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

11 wells on this lease

Wells on STEWART, MACO /A/ 390
API number	Well no.	Status
42-167-01501	1	Active
42-167-01502	2	Shut-in
42-167-01503	3	Active
42-167-01505	11	Active
42-167-01642	4	Active
42-167-01643	5	Active
42-167-01644	6	Active
42-167-01646	9	Shut-in
42-167-01649	13	Active
42-167-01652	16	Active
42-167-01656	20	Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Gulfmark Energy, Inc.	Oil	Gathers	100	Jul 22, 2023	–
Plains Marketing, L.p.	Oil	Gathers	100	Oct 1, 2019	Jul 22, 2023
Enterprise Crude Oil LLC	Oil	Gathers	50	Sep 16, 2019	Oct 1, 2019
Plains Marketing, L.p.	Oil	Gathers	50	Sep 16, 2019	Oct 1, 2019
Plains Marketing, L.p.	Oil	Gathers	100	Apr 2, 2018	Sep 16, 2019

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oil Oil price check

392 acres on the newest permit

Good to know
The wells on this lease state different acreage
The permits state between 360.1 and 452 acres. Use the acres from your own division order for the well you are paid on.
Good to know
12 wells are listed on this lease
Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.
Worth asking
A Rule 37 case is listed
The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease

Permits for Stewart, Maco /A/ 390
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-167-01646	9	Nov 9, 2001	Jul 7, 1938	392	Vertical
42-167-01644	6	Jun 16, 1997	May 2, 1937	360.10	Vertical
42-167-01503	3	Jun 10, 1997	Jan 12, 1984	360.10	Vertical
42-167-01643	5	Jun 10, 1997	Mar 9, 1937	360.10	Vertical
42-167-01656	20	Apr 14, 1997	Dec 1, 1955	360.10	Vertical
42-167-01649	13	Jun 2, 1980	Apr 16, 1939	452	Vertical
42-167-01501	1	–	Mar 5, 1969	–	–
42-167-01502	2	–	Jan 12, 1984	–	–
42-167-01505	11	–	May 11, 1987	–	–
42-167-01642	4	–	Nov 1, 1968	–	–
42-167-01652	16	–	Aug 10, 1941	–	–
42-167-01655	19	–	Jan 12, 1984	–	–

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

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36 months, newest first

Ledger for STEWART, MACO /A/ 390
Month	Operator	Oil producedbbl	Oil soldbbl	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Gcows Operating	Gcows Operating LLC	83	81	$80.46	$2.89
Jun 2026Gcows Operating	Gcows Operating LLC	54	172	$84.81	$3.15
May 2026Gcows Operating	Gcows Operating LLC	150	0	$102.13	$2.94
Apr 2026Gcows Operating	Gcows Operating LLC	136	169	$100.32	$2.77
Mar 2026Gcows Operating	Gcows Operating LLC	206	176	$91.38	$3.04
Feb 2026Gcows Operating	Gcows Operating LLC	456	475	$64.51	$3.62
Jan 2026Gcows Operating	Gcows Operating LLC	385	431	$60.04	$7.72
Dec 2025Gcows Operating	Gcows Operating LLC	238	170	$57.97	$4.26
Nov 2025Gcows Operating	Gcows Operating LLC	159	170	$60.06	$3.79
Oct 2025Gcows Operating	Gcows Operating LLC	0	0	$60.89	$3.19
Sep 2025Gcows Operating	Gcows Operating LLC	0	0	$63.96	$2.97
Aug 2025Gcows Operating	Gcows Operating LLC	0	0	$64.86	$2.91
Jul 2025Gcows Operating	Gcows Operating LLC	0	0	$68.39	$3.20
Jun 2025Gcows Operating	Gcows Operating LLC	0	0	$68.17	$3.02
May 2025Gcows Operating	Gcows Operating LLC	0	0	$62.17	$3.12
Apr 2025Gcows Operating	Gcows Operating LLC	0	0	$63.54	$3.42
Mar 2025Gcows Operating	Gcows Operating LLC	194	186	$68.24	$4.12
Feb 2025Gcows Operating	Gcows Operating LLC	572	628	$71.53	$4.19
Jan 2025Gcows Operating	Gcows Operating LLC	201	170	$75.74	$4.13
Dec 2024Gcows Operating	Gcows Operating LLC	98	171	$70.12	$3.01
Nov 2024Gcows Operating	Gcows Operating LLC	110	156	$69.95	$2.12
Oct 2024Gcows Operating	Gcows Operating LLC	211	168	$71.99	$2.20
Sep 2024Gcows Operating	Gcows Operating LLC	176	172	$70.24	$2.28
Aug 2024Gcows Operating	Gcows Operating LLC	64	0	$76.68	$1.99
Jul 2024Gcows Operating	Gcows Operating LLC	292	339	$81.80	$2.07
Jun 2024Gcows Operating	Gcows Operating LLC	710	862	$79.77	$2.54
May 2024Gcows Operating	Gcows Operating LLC	1,003	879	$80.02	$2.12
Apr 2024Gcows Operating	Gcows Operating LLC	785	879	$85.35	$1.60
Mar 2024Sawtooth Operating	Sawtooth Operating Co., Inc.	0	0	$81.28	$1.49
Feb 2024Sawtooth Operating	Sawtooth Operating Co., Inc.	206	273	$77.25	$1.72
Jan 2024Sawtooth Operating	Sawtooth Operating Co., Inc.	0	141	$74.15	$3.18
Dec 2023Sawtooth Operating	Sawtooth Operating Co., Inc.	382	342	$71.90	$2.52
Nov 2023Sawtooth Operating	Sawtooth Operating Co., Inc.	277	190	$77.69	$2.71
Oct 2023Sawtooth Operating	Sawtooth Operating Co., Inc.	219	0	$85.64	$2.98
Sep 2023Sawtooth Operating	Sawtooth Operating Co., Inc.	283	175	$89.43	$2.64
Aug 2023Sawtooth Operating	Sawtooth Operating Co., Inc.	0	0	$81.39	$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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