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Texas oil lease

Producing

SIMMS 30-18 C

Simms 30-18 C is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

1 well

58,005bbl oil, last 12 months−71% vs prior year
Operator
Diamondback E&P LLC
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-60686

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
445,025 mcf
Oil in Jul 2026
3,744 bbl

Production by month

Oil output fell 71% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 71% over the last 12 monthsMonthly oil production and gas for SIMMS 30-18 C, Oct 2023 to Jul 2026. Oil output fell 71% over the last 12 months. 58,005 bbl in the 12 months through Jul 2026, against 198,530 bbl in the 12 months before.Last 12 months: 58,005 bblbbl per monthmcf per month0010k20k20k40k30k60k40k80k50k100kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 71% over the last 12 monthsMonthly oil production and gas for SIMMS 30-18 C, Oct 2023 to Jul 2026. Oil output fell 71% over the last 12 months. 58,005 bbl in the 12 months through Jul 2026, against 198,530 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k20k20k40k30k60k40k80k50k100kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

99% of the gas went to a transmission line in the last 12 months

Flaring peaked at 16.1% of the gas in Mar 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
99% of the gas went to a transmission line in the last 12 monthsShare of SIMMS 30-18 C gas by disposition code each month, Oct 2023 to Jul 2026. 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 16.1% of the gas in Mar 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 16.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
99% of the gas went to a transmission line in the last 12 monthsShare of SIMMS 30-18 C gas by disposition code each month, Oct 2023 to Jul 2026. 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 16.1% of the gas in Mar 2025.Share of gas by disposition code0%50%100%Flared 16.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    99% · 442,276 mcf

  • Flared (4)

    0.4% · 1,720 mcf

  • Lease fuel (1)

    0.2% · 1,029 mcf

0.4% of the gas flared in the last 12 months. 4 months above 3%.

1 well on this lease

Wells on SIMMS 30-18 C
API numberWell no.Status
42-317-455603WBActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Oryx Midland Oil Gathering LLCOilGathers100Mar 1, 2026–
Et Gathering & Processing LLCCasinghead gasBuys100Mar 1, 2026–
Energy Transfer CompanyCasinghead gasGathers100Aug 1, 2024–
Etc Gas Processing, LLCCasinghead gasBuys100Aug 1, 2024Mar 1, 2026
Dk Trading & Supply, LLCOilGathers50Jun 1, 2024Mar 1, 2026
Oryx Midland Oil Gathering LLCOilGathers50Jun 1, 2024Mar 1, 2026
Wtg Gas Processing, LLCCasinghead gasGathers100Jun 1, 2024Aug 1, 2024
Wtg Gas Processing, LLCCasinghead gasBuys100Jun 1, 2024Aug 1, 2024

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

Who buys my oilOil price check

880 acres on the newest permit

An allocation well is on this lease

Permits for Simms 30-18 C
API numberWell no.Acreson the permit
42-317-455603WB880

SourceRailroad Commission drilling permits, Sep 26, 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.
QuarterOil$ per bblFiling
Q2 2026$96.82SEC filing
Q1 2026$73.47SEC filing
Q4 2025$58.00SEC filing
Q3 2025$64.60SEC filing
Q2 2025$63.23SEC filing
Q1 2025$70.95SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

34 months, newest first

Ledger for SIMMS 30-18 C
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263,7443,74228,89428,269554$80.46$2.89
Jun 20263,5813,58236,47936,3920$84.81$3.15
May 20263,7623,76336,90936,8200$102.13$2.94
Apr 20263,9243,93431,45631,30273$100.32$2.77
Mar 20264,5854,59535,04934,627340$91.38$3.04
Feb 20264,4444,42628,48628,315101$64.51$3.62
Jan 20264,5044,51727,10926,644404$60.04$7.72
Dec 20254,8924,89334,38334,28517$57.97$4.26
Nov 20256,0246,02749,31249,085113$60.06$3.79
Oct 20255,2045,19442,94242,82422$60.89$3.19
Sep 20256,2036,20344,59144,45637$63.96$2.97
Aug 20257,1387,15149,41549,25759$64.86$2.91
Jul 20256,8226,81042,94242,678128$68.39$3.20
Jun 20257,7067,72043,96543,656174$68.17$3.02
May 20259,4959,54021,03120,92741$62.17$3.12
Apr 20258,4948,43726,52425,835612$63.54$3.42
Mar 20259,8929,91051,87743,3668,370$68.24$4.12
Feb 202510,39810,44551,80651,458202$71.53$4.19
Jan 202513,28513,22535,75834,0081,656$75.74$4.13
Dec 202415,20915,20038,29738,18126$70.12$3.01
Nov 202419,37319,39245,20344,250854$69.95$2.12
Oct 202428,09528,11158,27257,261503$71.99$2.20
Sep 202433,46233,48566,51758,4567,146$70.24$2.28
Aug 202436,29936,32954,35052,733730$76.68$1.99
Jul 202440,93940,87238,04936,717510$81.80$2.07
Jun 202431,51631,47546,15143,6531,735$79.77$2.54
May 202400000$80.02$2.12
Apr 202400000$85.35$1.60
Mar 202400000$81.28$1.49
Feb 202400000$77.25$1.72
Jan 202400000$74.15$3.18
Dec 202300000$71.90$2.52
Nov 202300000$77.69$2.71
Oct 202300000$85.64$2.98

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyMartin County

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