Texas oil lease

Producing

HEIDELBERG 30-31 A

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

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

2 wells

244,886bbl oil, since Dec 2025

Operator: Diamondback E&P LLC
County: Martin County
Field: Spraberry (Trend Area)
RRC lease: 08-64331

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Where it sits

This county

Martin County

Gas, since Dec 2025: 455,735 mcf
Oil in Jul 2026: 19,245 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 7% 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% · 450,198 mcf
Flared (4)
0.9% · 4,080 mcf
Lease fuel (1)
0.3% · 1,457 mcf

0.9% of the gas flared in the 7 months reported. One month above 3%.

2 wells on this lease

Wells on HEIDELBERG 30-31 A
API number	Well no.	Status
42-317-46846	1JM	Active
42-317-46869	1WA	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	Aug 16, 2025
Etc North Permian Midstream LLC	Casinghead gas	Buys	100	Aug 16, 2025
Energy Transfer Company	Casinghead gas	Gathers	100	Aug 16, 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 A
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-317-46869	1WA	Jul 18, 2025	Aug 16, 2025	480.28	Horizontal, allocation
42-317-46846	1JM	Jun 23, 2025	Oct 2, 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 A
Month	Oil producedbbl	Oil soldbbl	Gas producedmcf	Gas soldmcf, codes 2+3	Flaredmcf	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026	19,245	19,246	61,772	61,526	0	$80.46	$2.89
Jun 2026	26,348	26,347	69,873	68,302	1,312	$84.81	$3.15
May 2026	33,037	33,043	108,648	107,742	586	$102.13	$2.94
Apr 2026	40,712	40,706	69,151	68,743	223	$100.32	$2.77
Mar 2026	52,132	52,181	77,517	77,313	0	$91.38	$3.04
Feb 2026	57,058	57,007	55,546	54,860	516	$64.51	$3.62
Jan 2026	16,354	16,317	13,228	11,712	1,443	$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.

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