Texas oil lease

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MULLINS "12A"

Name: MULLINS "12A" monthly oil and gas production, Martin County, Texas
Creator: Texas Railroad Commission

Mullins "12A" is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

2 wells

7mcf gas, last 12 months−99% vs prior year

Operator: Diamondback E&P LLC
County: Martin County
Field: Spraberry (Trend Area)
RRC lease: 08-40948

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Where it sits

This county

Martin County

Gas in Jul 2026: 0 mcf
Reporting since: Jan 2020

Production by month

Gas output fell 99% over the last 12 months

Gas (bars)
Oil (line)
Last 12 months

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to flaring in the last 12 months

Flaring peaked at 100.0% of the gas in Mar 2024.

Processing plant (3)
Transmission line (2)
Flared (4)

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Flared (4)
98% · 5,472 mcf
Processing plant (3)
1.5% · 85 mcf
Transmission line (2)
0.1% · 7 mcf

98.3% of the gas flared in the last 12 months. 15 months above 3%.

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 MULLINS "12A"
API number	Well no.	Status
42-317-35567	1	Active
42-317-36993	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	–
Et Gathering & Processing LLC	Casinghead gas	Buys	100	Mar 1, 2026	–
Energy Transfer Company	Casinghead gas	Gathers	100	Apr 1, 2025	–
Etc Gas Processing, LLC	Casinghead gas	Buys	100	Apr 1, 2025	Mar 1, 2026
Wtg Gas Processing, L.p.	Casinghead gas	Gathers	100	Jun 1, 2020	Apr 1, 2025
Wtg Gas Processing, L.p.	Casinghead gas	Buys	100	Jun 1, 2020	Apr 1, 2025
Oasis Transp & Marketing Corp.	Oil	Gathers	100	Jun 1, 2020	Apr 1, 2025
Enlink Crude Purchasing LLC	Oil	Gathers	100	Nov 1, 2019	Jun 1, 2020
Wtg Gas Processing, L.p.	Casinghead gas	Gathers	100	Mar 16, 2011	Nov 1, 2019

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

Who buys my oil Oil price check

180.40 acres on the newest permit

Permits for Mullins "12A"
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-317-35567	1	Nov 29, 2017	Mar 16, 2011	180.40	Vertical
42-317-36993	2	Jul 7, 2011	Nov 30, 2011	180.40	Vertical

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

Unit decimal checker

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 MULLINS "12A"
Month	Operator	Oil producedbbl	Oil soldbbl	Gas producedmcf	Gas soldmcf, codes 2+3	Flaredmcf	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$80.46	$2.89
Jun 2026Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$84.81	$3.15
May 2026Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$102.13	$2.94
Apr 2026Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$100.32	$2.77
Mar 2026Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$91.38	$3.04
Feb 2026Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$64.51	$3.62
Jan 2026Diamondback E&P	Diamondback E&P LLC	0	0	7	7	0	$60.04	$7.72
Dec 2025Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$57.97	$4.26
Nov 2025Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$60.06	$3.79
Oct 2025Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$60.89	$3.19
Sep 2025Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$63.96	$2.97
Aug 2025Diamondback E&P	Diamondback E&P LLC	0	0	0	0	0	$64.86	$2.91
Jul 2025Diamondback E&P	Diamondback E&P LLC	1	0	0	0	0	$68.39	$3.20
Jun 2025Diamondback E&P	Diamondback E&P LLC	176	180	0	0	0	$68.17	$3.02
May 2025Diamondback E&P	Diamondback E&P LLC	200	187	0	0	0	$62.17	$3.12
Apr 2025Diamondback E&P	Diamondback E&P LLC	117	180	0	0	0	$63.54	$3.42
Mar 2025Diamondback E&P	Diamondback E&P LLC	128	186	0	0	0	$68.24	$4.12
Feb 2025Diamondback E&P	Diamondback E&P LLC	171	171	0	0	0	$71.53	$4.19
Jan 2025Diamondback E&P	Diamondback E&P LLC	147	0	0	0	0	$75.74	$4.13
Dec 2024Endeavor Energy	Endeavor Energy Resources L.P.	154	179	0	0	0	$70.12	$3.01
Nov 2024Endeavor Energy	Endeavor Energy Resources L.P.	152	173	0	0	0	$69.95	$2.12
Oct 2024Endeavor Energy	Endeavor Energy Resources L.P.	122	179	336	0	336	$71.99	$2.20
Sep 2024Endeavor Energy	Endeavor Energy Resources L.P.	161	172	451	0	451	$70.24	$2.28
Aug 2024Endeavor Energy	Endeavor Energy Resources L.P.	151	176	416	0	416	$76.68	$1.99
Jul 2024Endeavor Energy	Endeavor Energy Resources L.P.	169	175	467	0	467	$81.80	$2.07
Jun 2024Endeavor Energy	Endeavor Energy Resources L.P.	147	172	391	0	391	$79.77	$2.54
May 2024Endeavor Energy	Endeavor Energy Resources L.P.	158	169	474	0	474	$80.02	$2.12
Apr 2024Endeavor Energy	Endeavor Energy Resources L.P.	208	161	527	0	527	$85.35	$1.60
Mar 2024Endeavor Energy	Endeavor Energy Resources L.P.	203	172	556	0	556	$81.28	$1.49
Feb 2024Endeavor Energy	Endeavor Energy Resources L.P.	154	174	445	9	436	$77.25	$1.72
Jan 2024Endeavor Energy	Endeavor Energy Resources L.P.	192	175	557	14	543	$74.15	$3.18
Dec 2023Endeavor Energy	Endeavor Energy Resources L.P.	329	354	937	62	875	$71.90	$2.52
Nov 2023Endeavor Energy	Endeavor Energy Resources L.P.	72	0	550	367	183	$77.69	$2.71
Oct 2023Endeavor Energy	Endeavor Energy Resources L.P.	171	174	511	24	487	$85.64	$2.98
Sep 2023Endeavor Energy	Endeavor Energy Resources L.P.	194	163	563	30	533	$89.43	$2.64
Aug 2023Endeavor Energy	Endeavor Energy Resources L.P.	205	324	746	139	607	$81.39	$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Nearby

Leases within 10 km

MULLINS, BERTHA D.
889 bbl · 0.5 km
BURCHELL "1"
5 bbl · 0.5 km
RUFUS 11
6,590 mcf · 0.7 km
KOGER "2"
17,918 bbl · 0.8 km
MULLINS "12"
0 bbl · 0.8 km
TURNER '12'
0 bbl · 0.9 km
RADLIFF, D. "A"
14 bbl · 1 km
MULLINS "12"
0 bbl · 1.2 km
BECKMEYER
11 bbl · 1.2 km
SLAUGHTER 7
3,817 bbl · 1.4 km

Drilling permits within 10 km

KATHERINE H #8H
new drill · horizontal · Hibernia Resources IV, LLC · Dawson County · 2.7 km
Permit 0917884 · Aug 21, 2026
DEX SOUTH SWD ALT B #6
new drill · Deep Blue Central LLC · Dawson County · 9.3 km
Permit 0914602 · Apr 9, 2026
DEX SOUTH SWD #8
new drill · Deep Blue Central LLC · Dawson County · 9 km
Permit 0914601 · Apr 7, 2026
KATHERINE I #9H
new drill · horizontal · Hibernia Resources IV, LLC · Dawson County · 2.6 km
Permit 0913799 · Mar 5, 2026
KATHERINE J #10H
new drill · horizontal · Hibernia Resources IV, LLC · Dawson County · 2.6 km
Permit 0913800 · Mar 5, 2026

Is your check right?

Where it sits

Production by month

Gas output fell 99% over the last 12 months

Where the gas went

98% of the gas went to flaring in the last 12 months

Who has run this lease

The operator changed once, most recently in Jan 2025

2 wells on this lease

Buyers and gatherers

180.40 acres on the newest permit

What Diamondback Energy, Inc. told investors it received

Estimate your royalty

36 months, newest first

Do your checks match this lease?

Nearby

This lease belongs to

Diamondback E&P LLC in Martin County

Spraberry (Trend Area) field

Leases within 10 km

Drilling permits within 10 km