Texas oil lease

Producing

ILIAD 27-18 D

Name: ILIAD 27-18 D monthly oil and gas production, Martin County, Texas
Creator: Texas Railroad Commission

Iliad 27-18 D is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

1 well

81,896bbl oil, since Mar 2026

Operator: Diamondback E&P LLC
County: Martin County
Field: Spraberry (Trend Area)
RRC lease: 08-64868

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Where it sits

This county

Martin County

Gas, since Mar 2026: 74,746 mcf
Oil in Jul 2026: 16,647 bbl

Checks stopped on this lease?

Buyer
Buyer changed: ONEOK MIDLAND MIDSTREAM, LLC replaced ENLINK GAS MARKETING, LP as the buyer of this lease's gas from oil wells on Apr 1, 2026.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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First check

Production started April 2026; the first check is due by about August 28, 2026 (estimate).

When is my first royalty check due?

Production by month

Oil output over 5 reported months

Oil (bars)
Gas (line)

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

87% of the gas went to a transmission line in the 4 months reported

Flaring peaked at 4.3% of the gas in Apr 2026.

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

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Transmission line (2)
87% · 64,715 mcf
Lease fuel (1)
12% · 8,783 mcf
Flared (4)
1.7% · 1,248 mcf

1.7% of the gas flared in the 4 months reported. One month above 3%.

1 well on this lease

Wells on ILIAD 27-18 D
API number	Well no.	Status
42-317-46965	1WB	Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Medallion Operating Company, LLC	Oil	Gathers	100	Nov 14, 2025	–
Oneok Midland Midstream, LLC	Casinghead gas	Buys	100	Apr 1, 2026	–
Enlink Permian, LLC	Casinghead gas	Gathers	100	Nov 14, 2025	–
Enlink Gas Marketing, LP	Casinghead gas	Buys	100	Nov 14, 2025	Apr 1, 2026

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

Who buys my oil Oil price check

858.69 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 Iliad 27-18 D
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-317-46965	1WB	Aug 22, 2025	Nov 14, 2025	858.69	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

5 months, newest first

Ledger for ILIAD 27-18 D
Month	Oil producedbbl	Oil soldbbl	Gas producedmcf	Gas soldmcf, codes 2+3	Flaredmcf	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026	16,647	16,682	22,970	20,579	7	$80.46	$2.89
Jun 2026	22,607	22,587	20,862	17,535	266	$84.81	$3.15
May 2026	27,489	27,506	20,430	17,460	523	$102.13	$2.94
Apr 2026	15,153	15,081	10,484	9,141	452	$100.32	$2.77
Mar 2026	0	0	0	0	0	$91.38	$3.04

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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