Texas oil lease

Producing

HEIDELBERG 30-31 P

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

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

1 well

138,696bbl oil, since Dec 2025

Operator: Diamondback E&P LLC
County: Martin County
Field: Spraberry (Trend Area)
RRC lease: 08-64415

Is your check right?

Check my statement

Where it sits

This county

Martin County

Gas, since Dec 2025: 202,415 mcf
Oil in Jul 2026: 10,932 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 150% 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% · 200,331 mcf
Flared (4)
0.7% · 1,463 mcf
Lease fuel (1)
0.3% · 621 mcf

0.7% of the gas flared in the 7 months reported. One month above 3%.

1 well on this lease

Wells on HEIDELBERG 30-31 P
API number	Well no.	Status
42-317-46868	6LS	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	Jul 31, 2025
Etc North Permian Midstream LLC	Casinghead gas	Buys	100	Jul 31, 2025
Energy Transfer Company	Casinghead gas	Gathers	100	Jul 31, 2025

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

Who buys my oil Oil price check

640.66 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 P
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-317-46868	6LS	Jul 17, 2025	Jul 31, 2025	640.66	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 P
Month	Oil producedbbl	Oil soldbbl	Gas producedmcf	Gas soldmcf, codes 2+3	Flaredmcf	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026	10,932	10,936	24,744	24,647	0	$80.46	$2.89
Jun 2026	17,077	17,083	28,636	28,004	528	$84.81	$3.15
May 2026	26,765	26,764	37,280	36,980	194	$102.13	$2.94
Apr 2026	28,583	28,577	44,637	44,375	143	$100.32	$2.77
Mar 2026	33,471	33,474	44,170	44,055	0	$91.38	$3.04
Feb 2026	18,278	18,258	19,110	18,873	178	$64.51	$3.62
Jan 2026	3,590	3,582	3,838	3,397	420	$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?