Skip to content
Royalty Clerk

Texas oil lease

Producing

DARK STAR UNIT 1

Dark Star Unit 1 is an oil lease in Martin County, Texas, operated by XTO Energy Inc. in the Spraberry (Trend Area) field.

15 wells

80,373bbl oil, last 12 months−38% vs prior year
RRC lease
08-54002

Is your check right?

Check my statement

Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
2,449,867 mcf
Oil in Jul 2026
4,919 bbl

Production by month

Oil output fell 38% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for DARK STAR UNIT 1, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 80,373 bbl in the 12 months through Jul 2026, against 128,756 bbl in the 12 months before.Last 12 months: 80,373 bblbbl per monthmcf per month0010k100k20k200k30k300k40k400kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for DARK STAR UNIT 1, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 80,373 bbl in the 12 months through Jul 2026, against 128,756 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k100k20k200k30k300k40k400kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
98% of the gas went to a processing plant in the last 12 monthsShare of DARK STAR UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
98% of the gas went to a processing plant in the last 12 monthsShare of DARK STAR UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    98% · 2,411,233 mcf

  • Lease fuel (1)

    1.5% · 37,586 mcf

  • Flared (4)

    0.0% · 1,048 mcf

15 wells on this lease

Wells on DARK STAR UNIT 1
API numberWell no.Status
42-317-424542111AHActive
42-317-424552121SHActive
42-317-424562131SHActive
42-317-424572102BHActive
42-317-424582162DHActive
42-317-424592172JHActive
42-317-424602123SHActive
42-317-424612143LHActive
42-317-424622113AHActive
42-317-424632163DHActive
42-317-424652103BHActive
42-317-424662173JHActive
42-317-424672114AHActive
42-317-424682124SHActive
42-317-424692144LHActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer CompanyOilGathers100Feb 1, 2025–
Et Gathering & Processing LLCCasinghead gasBuys100Jun 1, 2026–
Energy Transfer CompanyCasinghead gasGathers100Feb 1, 2025–
Energy Transfer CompanyCasinghead gasBuys100Feb 1, 2025Jun 1, 2026
Wtg Gas Processing, L.p.Casinghead gasGathers100Jan 21, 2020Feb 1, 2025
Wtg Gas Processing, L.p.Casinghead gasBuys100Jan 21, 2020Feb 1, 2025
Nustar Permian Trans and Stg,llcOilGathers100Jan 21, 2020Feb 1, 2025

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

640.88 acres on the newest permit

15 wells are listed on this lease

Permits for Dark Star Unit 1
API numberWell no.Acreson the permit
42-317-424552121SH640.88
42-317-424562131SH640.88
42-317-424542111AH640.88
42-317-424692144LH640.88
42-317-424572102BH640.88
42-317-424582162DH640.88
42-317-424592172JH640.88
42-317-424602123SH640.88
42-317-424612143LH640.88
42-317-424622113AH640.88
42-317-424632163DH640.88
42-317-424652103BH640.88

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for DARK STAR UNIT 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264,9194,908169,202167,97268$80.46$2.89
Jun 20264,8204,921168,915167,7840$84.81$3.15
May 20264,3644,272179,252178,1560$102.13$2.94
Apr 20265,9285,921170,400169,2020$100.32$2.77
Mar 20266,5216,541199,763198,4490$91.38$3.04
Feb 20267,0017,007223,383222,1310$64.51$3.62
Jan 20267,1317,101210,808207,9940$60.04$7.72
Dec 20258,0238,014226,700222,6370$57.97$4.26
Nov 20258,2128,226229,462224,7180$60.06$3.79
Oct 20256,3646,353216,325210,55859$60.89$3.19
Sep 20258,4408,441226,400219,50060$63.96$2.97
Aug 20258,6508,652229,257222,132861$64.86$2.91
Jul 20259,4689,493229,210221,845375$68.39$3.20
Jun 20259,7019,705219,736212,91170$68.17$3.02
May 202510,29610,295228,245221,36125$62.17$3.12
Apr 202510,60310,612220,796211,8821,990$63.54$3.42
Mar 202511,41411,414223,024215,8220$68.24$4.12
Feb 202510,23510,257198,773192,2668$71.53$4.19
Jan 202510,76710,753188,142181,1494$75.74$4.13
Dec 202411,27011,240211,561204,72763$70.12$3.01
Nov 202410,24910,258187,749180,3190$69.95$2.12
Oct 20249,9619,988208,160202,0620$71.99$2.20
Sep 202411,59011,594214,016206,62999$70.24$2.28
Aug 202413,20213,182224,443215,625165$76.68$1.99
Jul 202414,12914,159221,289212,6680$81.80$2.07
Jun 202414,54714,529219,360211,2520$79.77$2.54
May 202413,17613,194216,754209,3920$80.02$2.12
Apr 202414,34614,396216,400208,7360$85.35$1.60
Mar 202416,53416,507241,833233,3890$81.28$1.49
Feb 202412,19112,369244,841237,4770$77.25$1.72
Jan 20247,6517,481137,580133,46183$74.15$3.18
Dec 202313,57313,577256,531248,232322$71.90$2.52
Nov 202311,86911,861249,280243,0780$77.69$2.71
Oct 202318,14018,318290,360283,260180$85.64$2.98
Sep 202320,01519,898277,003269,8360$89.43$2.64
Aug 202327,58727,566302,471295,3080$81.39$2.58

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?

Nearby

XTO Energy Inc. in Martin County

All XTO Energy Inc. leases →

Spraberry (Trend Area) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km