Texas oil lease

Producing

HULL-SILK 4300' UNIT

Name: HULL-SILK 4300' UNIT monthly oil and gas production, Archer County, Texas
Creator: Texas Railroad Commission

Hull-Silk 4300' Unit is an oil lease in Archer County, Texas, operated by Blackflat Oil Company LLC in the Hull-Silk-Sikes field.

49 wells

563bbl oil, last 12 months

Operator: Blackflat Oil Company LLC
County: Archer County
Field: Hull-Silk-Sikes
RRC lease: 09-11693

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Where it sits

This county

Archer County

Oil in Jul 2026: 102 bbl
Reporting since: Jan 2020

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Operator
Operator changed: Blackflat Oil Company LLC took over from Mercury Operating, LLC in Jun 2025.
P-5
The current operator's P-5 registration is listed as delinquent (last P-5 filed Oct 7, 2025).
P-5
The previous operator's P-5 registration is listed as delinquent (last P-5 filed Jul 17, 2023).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output 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 Jun 2025

Blackflat Oil Company LLC Jun 2025 to now
Mercury Operating, LLC Jan 2020 to May 2025

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

49 wells on this lease

Wells on HULL-SILK 4300' UNIT
API number	Well no.	Status
42-009-01327	70	Shut-in
42-009-01570	13	Shut-in
42-009-01599	45	Shut-in
42-009-01600	22	Shut-in
42-009-03231	111A	Shut-in
42-009-03561	61W	Active
42-009-14257	1WS	Active
42-009-32118	81	Shut-in
42-009-32967	126	Shut-in
42-009-35854	99A	Shut-in
42-009-43125	62M	Active
42-009-43127	76M	Shut-in
42-009-83489	24	Active
42-009-84883	2WS	Shut-in
42-009-84884	5W	Active
42-009-84885	8	Active
42-009-84890	18	Shut-in
42-009-84891	20	Shut-in
42-009-84892	21W	Active
42-009-84895	28W	Active
42-009-84896	29	Active
42-009-84897	30W	Active
42-009-84898	31	Active
42-009-84901	36	Shut-in
42-009-84904	40W	Shut-in
42-009-84905	41W	Shut-in
42-009-84906	42W	Active
42-009-84909	46	Shut-in
42-009-84910	47	Active
42-009-84911	49	Shut-in
42-009-84912	55	Shut-in
42-009-84913	56W	Shut-in
42-009-84914	59	Shut-in
42-009-84915	60W	Active
42-009-84918	64W	Active
42-009-84919	65W	Active
42-009-84920	66W	Active
42-009-84922	74W	Active
42-009-84923	76	Shut-in
42-009-84924	78	Active
42-009-84926	80	Shut-in
42-009-84927	82	Shut-in
42-009-84928	84	Active
42-009-84929	85	Active
42-009-84934	107W	Active
42-009-84941	123	Active
42-009-84942	125	Active
42-009-84944	128	Active
42-009-84946	130	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
Sentinel Transportation, LLC	Oil	Gathers	100	Jun 20, 2025	–
Gulfmark Energy, Inc.	Oil	Gathers	100	Oct 1, 2018	Jun 20, 2025

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

Who buys my oil Oil price check

2,138 acres on the newest permit

Good to know
The wells on this lease state different acreage
The permits state between 50 and 2,138 acres. Use the acres from your own division order for the well you are paid on.
Good to know
83 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 Hull-Silk 4300' Unit
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-009-43127	76M	Jun 15, 2026	Sep 11, 2019	2,138	Vertical
42-009-43125	62M	Dec 21, 2017	Jan 18, 2018	2,138	Vertical
42-009-03231	111A	Jan 10, 1995	Jan 16, 1995	2,100	Vertical
42-009-01570	13	Jan 20, 1994	Feb 4, 1994	2,043	Vertical
42-009-03664	27W	Feb 11, 1992	Oct 12, 1939	368	Vertical
42-009-01600	22	May 19, 1988	Dec 26, 1949	368	Vertical
42-009-01601	43	May 10, 1988	Jan 12, 1984	368	Vertical
42-009-01599	45	May 9, 1988	Jan 12, 1984	368	Vertical
42-009-01591	63W	May 10, 1987	Jun 22, 1940	368	Vertical
42-009-01582	12W	Oct 21, 1986	Feb 11, 1941	100	Vertical
42-009-01569	14W	Aug 1, 1986	Jan 12, 1984	50	Vertical
42-009-35854	99A	Jun 13, 1984	Jun 1, 1982	2,043	Vertical

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

Unit decimal checker

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36 months, newest first

Ledger for HULL-SILK 4300' UNIT
Month	Operator	Oil producedbbl	Oil soldbbl	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Blackflat Oil	Blackflat Oil Company LLC	102	0	$80.46	$2.89
Jun 2026Blackflat Oil	Blackflat Oil Company LLC	51	169	$84.81	$3.15
May 2026Blackflat Oil	Blackflat Oil Company LLC	82	342	$102.13	$2.94
Apr 2026Blackflat Oil	Blackflat Oil Company LLC	58	0	$100.32	$2.77
Mar 2026Blackflat Oil	Blackflat Oil Company LLC	110	77	$91.38	$3.04
Feb 2026Blackflat Oil	Blackflat Oil Company LLC	145	0	$64.51	$3.62
Jan 2026Blackflat Oil	Blackflat Oil Company LLC	0	0	$60.04	$7.72
Dec 2025Blackflat Oil	Blackflat Oil Company LLC	15	0	$57.97	$4.26
Nov 2025Blackflat Oil	Blackflat Oil Company LLC	0	0	$60.06	$3.79
Oct 2025Blackflat Oil	Blackflat Oil Company LLC	0	0	$60.89	$3.19
Sep 2025Blackflat Oil	Blackflat Oil Company LLC	0	0	$63.96	$2.97
Aug 2025Blackflat Oil	Blackflat Oil Company LLC	0	0	$64.86	$2.91
Jul 2025Blackflat Oil	Blackflat Oil Company LLC	0	0	$68.39	$3.20
Jun 2025Blackflat Oil	Blackflat Oil Company LLC	0	0	$68.17	$3.02
May 2025Mercury Operating,	Mercury Operating, LLC	0	0	$62.17	$3.12
Apr 2025Mercury Operating,	Mercury Operating, LLC	0	0	$63.54	$3.42
Mar 2025Mercury Operating,	Mercury Operating, LLC	0	0	$68.24	$4.12
Feb 2025Mercury Operating,	Mercury Operating, LLC	0	0	$71.53	$4.19
Jan 2025Mercury Operating,	Mercury Operating, LLC	0	0	$75.74	$4.13
Dec 2024Mercury Operating,	Mercury Operating, LLC	0	0	$70.12	$3.01
Nov 2024Mercury Operating,	Mercury Operating, LLC	0	0	$69.95	$2.12
Oct 2024Mercury Operating,	Mercury Operating, LLC	0	0	$71.99	$2.20
Sep 2024Mercury Operating,	Mercury Operating, LLC	0	0	$70.24	$2.28
Aug 2024Mercury Operating,	Mercury Operating, LLC	0	0	$76.68	$1.99
Jul 2024Mercury Operating,	Mercury Operating, LLC	0	0	$81.80	$2.07
Jun 2024Mercury Operating,	Mercury Operating, LLC	0	0	$79.77	$2.54
May 2024Mercury Operating,	Mercury Operating, LLC	0	0	$80.02	$2.12
Apr 2024Mercury Operating,	Mercury Operating, LLC	0	0	$85.35	$1.60
Mar 2024Mercury Operating,	Mercury Operating, LLC	0	0	$81.28	$1.49
Feb 2024Mercury Operating,	Mercury Operating, LLC	0	0	$77.25	$1.72
Jan 2024Mercury Operating,	Mercury Operating, LLC	0	0	$74.15	$3.18
Dec 2023Mercury Operating,	Mercury Operating, LLC	0	0	$71.90	$2.52
Nov 2023Mercury Operating,	Mercury Operating, LLC	0	0	$77.69	$2.71
Oct 2023Mercury Operating,	Mercury Operating, LLC	0	0	$85.64	$2.98
Sep 2023Mercury Operating,	Mercury Operating, LLC	0	0	$89.43	$2.64
Aug 2023Mercury Operating,	Mercury Operating, LLC	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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