Texas oil lease

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COX "10"

Name: COX "10" monthly oil and gas production, Martin County, Texas
Creator: Texas Railroad Commission

Cox "10" is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

2 wells

0bbl oil, last 12 months

Operator: Diamondback E&P LLC
County: Martin County
Field: Spraberry (Trend Area)
RRC lease: 08-36201

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Where it sits

This county

Martin County

Oil in Jul 2026: 0 bbl
Reporting since: Jan 2020

Checks stopped on this lease?

Operator
Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.

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

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Production by month

No oil produced in 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 Jan 2025

Diamondback E&P LLC Jan 2025 to now
Endeavor Energy Resources L.P. Jan 2020 to Dec 2024

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on COX "10"
API number	Well no.	Status
42-317-33235	1	Active
42-317-34266	2	Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Explore Logistics LLC	Oil	Gathers	100	Apr 1, 2025	–
Dcp Operating Company, LP	Casinghead gas	Buys	100	Apr 1, 2017	–
Dcp Operating Company, LP	Casinghead gas	Gathers	100	Apr 1, 2017	–
Mission Petroleum Carriers, Inc.	Oil	Gathers	50	Mar 1, 2005	Apr 1, 2025
Oasis Transp & Marketing Corp.	Oil	Gathers	50	Jan 2, 2000	Apr 1, 2025

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

Who buys my oil Oil price check

341 acres on the newest permit

Permits for Cox "10"
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-317-33235	1	Nov 2, 2016	Jan 2, 2000	341	Vertical
42-317-34266	2	Oct 12, 2016	May 8, 2000	341	Vertical

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

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What Diamondback Energy, Inc. told investors it received

Diamondback E&P LLC is linked to Diamondback Energy, Inc. (FANG).

Realized prices reported by Diamondback Energy, Inc.
Quarter	Oil$ per bbl	Gas$ per mcf	Gas liquids$ per bbl	Filing
Q2 2026	$96.82	−$2.15	$18.56	SEC filing
Q1 2026	$73.47	$0.18	$16.68	SEC filing
Q4 2025	$58.00	$0.03	$13.51	SEC filing
Q3 2025	$64.60	$0.75	$17.28	SEC filing
Q2 2025	$63.23	$0.88	$18.13	SEC filing
Q1 2025	$70.95	$2.11	$23.94	SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for COX "10"
Month	Operator	Oil producedbbl	Oil soldbbl	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Diamondback E&P	Diamondback E&P LLC	0	138	$80.46	$2.89
Jun 2026Diamondback E&P	Diamondback E&P LLC	0	0	$84.81	$3.15
May 2026Diamondback E&P	Diamondback E&P LLC	0	0	$102.13	$2.94
Apr 2026Diamondback E&P	Diamondback E&P LLC	0	0	$100.32	$2.77
Mar 2026Diamondback E&P	Diamondback E&P LLC	0	0	$91.38	$3.04
Feb 2026Diamondback E&P	Diamondback E&P LLC	0	0	$64.51	$3.62
Jan 2026Diamondback E&P	Diamondback E&P LLC	0	0	$60.04	$7.72
Dec 2025Diamondback E&P	Diamondback E&P LLC	0	0	$57.97	$4.26
Nov 2025Diamondback E&P	Diamondback E&P LLC	0	0	$60.06	$3.79
Oct 2025Diamondback E&P	Diamondback E&P LLC	0	0	$60.89	$3.19
Sep 2025Diamondback E&P	Diamondback E&P LLC	0	0	$63.96	$2.97
Aug 2025Diamondback E&P	Diamondback E&P LLC	0	0	$64.86	$2.91
Jul 2025Diamondback E&P	Diamondback E&P LLC	0	0	$68.39	$3.20
Jun 2025Diamondback E&P	Diamondback E&P LLC	68	0	$68.17	$3.02
May 2025Diamondback E&P	Diamondback E&P LLC	72	176	$62.17	$3.12
Apr 2025Diamondback E&P	Diamondback E&P LLC	69	0	$63.54	$3.42
Mar 2025Diamondback E&P	Diamondback E&P LLC	75	0	$68.24	$4.12
Feb 2025Diamondback E&P	Diamondback E&P LLC	54	0	$71.53	$4.19
Jan 2025Diamondback E&P	Diamondback E&P LLC	26	184	$75.74	$4.13
Dec 2024Endeavor Energy	Endeavor Energy Resources L.P.	57	0	$70.12	$3.01
Nov 2024Endeavor Energy	Endeavor Energy Resources L.P.	59	0	$69.95	$2.12
Oct 2024Endeavor Energy	Endeavor Energy Resources L.P.	62	178	$71.99	$2.20
Sep 2024Endeavor Energy	Endeavor Energy Resources L.P.	52	0	$70.24	$2.28
Aug 2024Endeavor Energy	Endeavor Energy Resources L.P.	61	0	$76.68	$1.99
Jul 2024Endeavor Energy	Endeavor Energy Resources L.P.	61	165	$81.80	$2.07
Jun 2024Endeavor Energy	Endeavor Energy Resources L.P.	66	0	$79.77	$2.54
May 2024Endeavor Energy	Endeavor Energy Resources L.P.	63	0	$80.02	$2.12
Apr 2024Endeavor Energy	Endeavor Energy Resources L.P.	54	176	$85.35	$1.60
Mar 2024Endeavor Energy	Endeavor Energy Resources L.P.	69	1	$81.28	$1.49
Feb 2024Endeavor Energy	Endeavor Energy Resources L.P.	69	175	$77.25	$1.72
Jan 2024Endeavor Energy	Endeavor Energy Resources L.P.	56	0	$74.15	$3.18
Dec 2023Endeavor Energy	Endeavor Energy Resources L.P.	81	167	$71.90	$2.52
Nov 2023Endeavor Energy	Endeavor Energy Resources L.P.	66	0	$77.69	$2.71
Oct 2023Endeavor Energy	Endeavor Energy Resources L.P.	69	0	$85.64	$2.98
Sep 2023Endeavor Energy	Endeavor Energy Resources L.P.	49	164	$89.43	$2.64
Aug 2023Endeavor Energy	Endeavor Energy Resources L.P.	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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