Texas oil lease

Producing

CARBON 12-13 UNIT 1

Name: CARBON 12-13 UNIT 1 monthly oil and gas production, Upton County, Texas
Creator: Texas Railroad Commission

Carbon 12-13 Unit 1 is an oil lease in Upton County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

9 wells

263,689bbl oil, last 12 months−34% vs prior year

Operator: Diamondback E&P LLC
County: Upton County
Field: Spraberry (Trend Area)
RRC lease: 7C-21676

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Where it sits

This county

Upton County

Gas, last 12 months: 2,287,078 mcf
Oil in Jul 2026: 16,773 bbl

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.

See why checks stop on this lease

Production by month

Oil output fell 34% over the last 12 months

Oil (bars)
Gas (line)
Last 12 months

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant

Processing plant (3)
Transmission line (2)
Lease fuel (1)
Flared (4)

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Transmission line (2)
98% · 2,232,489 mcf
Lease fuel (1)
2.2% · 49,820 mcf
Flared (4)
0.2% · 4,769 mcf

0.2% of the gas flared in the last 12 months. No month 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. Aug 2022 to Dec 2024

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

9 wells on this lease

Wells on CARBON 12-13 UNIT 1
API number	Well no.	Status
42-461-41951	111	Active
42-461-41954	212	Active
42-461-41955	121	Active
42-461-41956	222	Active
42-461-41957	131	Active
42-461-41958	232	Active
42-461-41959	233	Active
42-461-41960	141	Active
42-461-41961	242	Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Energy Transfer Company	Oil	Gathers	100	Feb 1, 2025	–
Dcp Operating Company, LP	Casinghead gas	Buys	100	Aug 1, 2022	–
Dcp Operating Company, LP	Casinghead gas	Gathers	100	Aug 1, 2022	–
Nustar Permian Trans and Stg,llc	Oil	Gathers	100	Aug 1, 2022	Feb 1, 2025

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

Who buys my oil Oil price check

647.91 acres on the newest permit

Good to know
The wells on this lease state different acreage
The permits state between 647.91 and 647.92 acres. Use the acres from your own division order for the well you are paid on.
Good to know
9 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.

Check your decimal on this lease

Permits for Carbon 12-13 Unit 1
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-461-41956	222	Nov 17, 2021	Apr 21, 2022	647.91	Horizontal
42-461-41959	233	Nov 17, 2021	Apr 8, 2022	647.91	Horizontal
42-461-41958	232	Nov 12, 2021	Apr 9, 2022	647.91	Horizontal
42-461-41961	242	Nov 12, 2021	Mar 28, 2022	647.91	Horizontal
42-461-41951	111	Nov 10, 2021	May 21, 2022	647.91	Horizontal
42-461-41954	212	Nov 10, 2021	May 7, 2022	647.91	Horizontal
42-461-41955	121	Nov 10, 2021	Mar 26, 2022	647.92	Horizontal
42-461-41957	131	Nov 10, 2021	Apr 19, 2022	647.91	Horizontal
42-461-41960	141	Nov 10, 2021	Mar 16, 2022	647.91	Horizontal

SourceRailroad Commission drilling permits, Oct 3, 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 CARBON 12-13 UNIT 1
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	16,773	16,652	184,486	180,392	326	$80.46	$2.89
Jun 2026Diamondback E&P	Diamondback E&P LLC	19,918	19,854	246,706	241,707	277	$84.81	$3.15
May 2026Diamondback E&P	Diamondback E&P LLC	21,317	21,306	250,884	245,022	934	$102.13	$2.94
Apr 2026Diamondback E&P	Diamondback E&P LLC	21,243	21,672	225,775	220,956	0	$100.32	$2.77
Mar 2026Diamondback E&P	Diamondback E&P LLC	21,950	21,531	215,603	209,840	1,049	$91.38	$3.04
Feb 2026Diamondback E&P	Diamondback E&P LLC	22,409	22,500	200,747	196,335	10	$64.51	$3.62
Jan 2026Diamondback E&P	Diamondback E&P LLC	19,134	18,992	186,969	181,530	612	$60.04	$7.72
Dec 2025Diamondback E&P	Diamondback E&P LLC	23,769	23,904	218,795	213,192	0	$57.97	$4.26
Nov 2025Diamondback E&P	Diamondback E&P LLC	23,027	22,945	225,686	220,664	308	$60.06	$3.79
Oct 2025Diamondback E&P	Diamondback E&P LLC	23,105	23,163	200,558	195,371	1,205	$60.89	$3.19
Sep 2025Diamondback E&P	Diamondback E&P LLC	24,438	24,434	73,316	71,514	17	$63.96	$2.97
Aug 2025Diamondback E&P	Diamondback E&P LLC	26,606	26,569	57,553	55,966	31	$64.86	$2.91
Jul 2025Diamondback E&P	Diamondback E&P LLC	28,956	28,908	63,650	61,807	13	$68.39	$3.20
Jun 2025Diamondback E&P	Diamondback E&P LLC	28,526	28,645	121,641	117,198	1,279	$68.17	$3.02
May 2025Diamondback E&P	Diamondback E&P LLC	32,554	32,555	217,798	212,522	80	$62.17	$3.12
Apr 2025Diamondback E&P	Diamondback E&P LLC	30,751	30,656	220,842	216,663	4	$63.54	$3.42
Mar 2025Diamondback E&P	Diamondback E&P LLC	31,767	31,868	210,439	206,160	0	$68.24	$4.12
Feb 2025Diamondback E&P	Diamondback E&P LLC	27,114	27,074	174,516	170,875	5	$71.53	$4.19
Jan 2025Diamondback E&P	Diamondback E&P LLC	32,565	32,561	214,823	210,435	20	$75.74	$4.13
Dec 2024Endeavor Energy	Endeavor Energy Resources L.P.	36,090	36,138	226,381	222,016	0	$70.12	$3.01
Nov 2024Endeavor Energy	Endeavor Energy Resources L.P.	36,194	36,143	224,492	219,972	24	$69.95	$2.12
Oct 2024Endeavor Energy	Endeavor Energy Resources L.P.	38,619	39,033	233,520	228,992	63	$71.99	$2.20
Sep 2024Endeavor Energy	Endeavor Energy Resources L.P.	38,856	38,927	219,235	217,935	0	$70.24	$2.28
Aug 2024Endeavor Energy	Endeavor Energy Resources L.P.	38,355	37,919	207,862	204,498	4	$76.68	$1.99
Jul 2024Endeavor Energy	Endeavor Energy Resources L.P.	43,368	43,312	217,532	213,190	8	$81.80	$2.07
Jun 2024Endeavor Energy	Endeavor Energy Resources L.P.	44,314	44,321	199,835	195,642	7	$79.77	$2.54
May 2024Endeavor Energy	Endeavor Energy Resources L.P.	42,436	42,371	185,542	181,659	16	$80.02	$2.12
Apr 2024Endeavor Energy	Endeavor Energy Resources L.P.	45,926	45,946	204,603	200,380	12	$85.35	$1.60
Mar 2024Endeavor Energy	Endeavor Energy Resources L.P.	49,820	49,877	222,719	218,525	3	$81.28	$1.49
Feb 2024Endeavor Energy	Endeavor Energy Resources L.P.	50,720	50,738	220,841	216,373	0	$77.25	$1.72
Jan 2024Endeavor Energy	Endeavor Energy Resources L.P.	55,076	55,040	237,086	232,830	0	$74.15	$3.18
Dec 2023Endeavor Energy	Endeavor Energy Resources L.P.	59,818	59,796	241,648	241,332	316	$71.90	$2.52
Nov 2023Endeavor Energy	Endeavor Energy Resources L.P.	61,759	61,890	238,717	237,525	1,192	$77.69	$2.71
Oct 2023Endeavor Energy	Endeavor Energy Resources L.P.	66,030	65,944	264,231	264,231	0	$85.64	$2.98
Sep 2023Endeavor Energy	Endeavor Energy Resources L.P.	69,070	69,076	265,092	265,088	4	$89.43	$2.64
Aug 2023Endeavor Energy	Endeavor Energy Resources L.P.	74,422	74,408	273,546	273,213	333	$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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Nearby

Leases within 10 km

PEGASUS SPRABERRY UNIT
1,212,026 bbl · 0.3 km
FRASER TXL H2
49,106 bbl · 0.3 km
FRASER TXL H3
56,463 bbl · 0.3 km
FRASER TXL H1
57,147 bbl · 0.3 km
FRASER TXL STATE B9
41,193 bbl · 0.7 km
FRASER TXL STATE B8
22,007 bbl · 0.7 km
SINCLAIR 57 H9
65,847 bbl · 0.7 km
SINCLAIR 57 H1
56,471 bbl · 0.7 km
CARBON 12-13 UNIT 2
163,932 bbl · 0.7 km
SINCLAIR 57 H2
58,361 bbl · 0.8 km

Drilling permits within 10 km

HAIDYN 0706 E #402H
new drill · horizontal · Firebird Energy II LLC · Upton County · 8.6 km
Permit 0918934 · Sep 29, 2026
HAIDYN 0706 B #101H
new drill · horizontal · Firebird Energy II LLC · Upton County · 8.2 km
Permit 0918927 · Sep 29, 2026
HAIDYN 0706 C #501H
new drill · horizontal · Firebird Energy II LLC · Upton County · 8.6 km
Permit 0918848 · Sep 25, 2026
HAIDYN 0706 D #303H
new drill · horizontal · Firebird Energy II LLC · Upton County · 8.6 km
Permit 0918858 · Sep 25, 2026
HAIDYN 0706 E #602H
new drill · horizontal · Firebird Energy II LLC · Upton County · 8.6 km
Permit 0918859 · Sep 25, 2026

Is your check right?

Where it sits

Checks stopped on this lease?

Production by month

Oil output fell 34% over the last 12 months

Where the gas went

Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant

Who has run this lease

The operator changed once, most recently in Jan 2025

9 wells on this lease

Buyers and gatherers

647.91 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 Upton County

Spraberry (Trend Area) field

Leases within 10 km

Drilling permits within 10 km