Texas oil lease

Producing

HEIDELBERG 30-31 B

Name: HEIDELBERG 30-31 B monthly oil and gas production, Martin County, Texas
Creator: Texas Railroad Commission

Heidelberg 30-31 B is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

2 wells

268,632bbl oil, since Dec 2025

Operator: Diamondback E&P LLC
County: Martin County
Field: Spraberry (Trend Area)
RRC lease: 08-64379

Is your check right?

Check my statement

Where it sits

This county

Martin County

Gas, since Dec 2025: 405,124 mcf
Oil in Jul 2026: 20,950 bbl

First check

Production started January 2026; the first check is due by about May 31, 2026 (estimate).

When is my first royalty check due?

Production by month

Oil output rose 25% since Dec 2025

Oil (bars)
Gas (line)

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

99% of the gas went to a transmission line in the 7 months reported

Flaring peaked at 10.9% of the gas in Jan 2026.

Transmission line (2)
Lease fuel (1)
Flared (4)

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Transmission line (2)
99% · 399,977 mcf
Flared (4)
1.0% · 3,865 mcf
Lease fuel (1)
0.3% · 1,282 mcf

1.0% of the gas flared in the 7 months reported. One month above 3%.

2 wells on this lease

Wells on HEIDELBERG 30-31 B
API number	Well no.	Status
42-317-46847	1LS	Active
42-317-46854	1WB	Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From
Et-S Permian Pipeline Company Ll	Oil	Gathers	100	Sep 8, 2025
Etc North Permian Midstream LLC	Casinghead gas	Buys	100	Sep 8, 2025
Energy Transfer Company	Casinghead gas	Gathers	100	Sep 8, 2025

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

Who buys my oil Oil price check

480.28 acres on the newest permit

Worth asking
An allocation well is on this lease
A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

Check your decimal on this lease

Permits for Heidelberg 30-31 B
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-317-46854	1WB	Jul 17, 2025	Sep 22, 2025	480.28	Horizontal, allocation
42-317-46847	1LS	Jun 23, 2025	Sep 8, 2025	480.28	Horizontal, allocation

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

8 months, newest first

Ledger for HEIDELBERG 30-31 B
Month	Oil producedbbl	Oil soldbbl	Gas producedmcf	Gas soldmcf, codes 2+3	Flaredmcf	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026	20,950	20,950	55,609	55,389	0	$80.46	$2.89
Jun 2026	28,100	28,100	52,454	51,290	972	$84.81	$3.15
May 2026	36,626	36,637	70,125	69,551	371	$102.13	$2.94
Apr 2026	49,451	49,445	80,495	80,021	259	$100.32	$2.77
Mar 2026	64,875	64,903	83,269	83,052	0	$91.38	$3.04
Feb 2026	49,548	49,516	46,381	45,810	429	$64.51	$3.62
Jan 2026	19,082	19,038	16,791	14,864	1,834	$60.04	$7.72
Dec 2025	0	0	0	0	0	$57.97	$4.26

Flared above 3%

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

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?