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Texas oil lease

Producing

GRANTHAM 50

Grantham 50 is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

2 wells

1,947bbl oil, last 12 months−60% vs prior year
RRC lease
08-40756

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
29,224 mcf
Oil in Jul 2026
161 bbl

Production by month

Oil output fell 60% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 60% over the last 12 monthsMonthly oil production and gas for GRANTHAM 50, Aug 2023 to Jul 2026. Oil output fell 60% over the last 12 months. 1,947 bbl in the 12 months through Jul 2026, against 4,849 bbl in the 12 months before.Last 12 months: 1,947 bblbbl per monthmcf per month002502,0005004,0007506,0001,0008,0001,25010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 60% over the last 12 monthsMonthly oil production and gas for GRANTHAM 50, Aug 2023 to Jul 2026. Oil output fell 60% over the last 12 months. 1,947 bbl in the 12 months through Jul 2026, against 4,849 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002502,0005004,0007506,0001,0008,0001,25010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 3.4% of the gas in Jan 2026.

  • Transmission line (2)
  • Flared (4)
Over 99% of the gas went to a transmission line in the last 12 monthsShare of GRANTHAM 50 gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 3.4% of the gas in Jan 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a transmission line in the last 12 monthsShare of GRANTHAM 50 gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 3.4% of the gas in Jan 2026.Share of gas by disposition code0%50%100%Flared 3.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    100% · 29,148 mcf

  • Flared (4)

    0.3% · 76 mcf

0.3% of the gas flared in the last 12 months. One month above 3%.

2 wells on this lease

Wells on GRANTHAM 50
API numberWell no.Status
42-317-353621Active
42-317-375252Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers100Sep 1, 2023–
Et Gathering & Processing LLCCasinghead gasBuys100Mar 1, 2026–
Energy Transfer CompanyCasinghead gasGathers100Aug 1, 2024–
Etc Gas Processing, LLCCasinghead gasBuys100Aug 1, 2024Mar 1, 2026
Wtg Gas Processing, LLCCasinghead gasGathers100Sep 1, 2023Aug 1, 2024
Wtg Gas Processing, LLCCasinghead gasBuys100Sep 1, 2023Aug 1, 2024
Wtg Gas Processing, L.p.Casinghead gasGathers100Dec 1, 2021Sep 1, 2023
Wtg Gas Processing, L.p.Casinghead gasBuys100Dec 1, 2021Sep 1, 2023
Ace Gathering, Inc.OilGathers100Dec 1, 2021Sep 1, 2023

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

159.77 acres on the newest permit

Permits for Grantham 50
API numberWell no.Acreson the permit
42-317-375252159.77
42-317-353621159.77

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

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

36 months, newest first

Ledger for GRANTHAM 50
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261611782,5552,5550$80.46$2.89
Jun 20261771853,2613,2610$84.81$3.15
May 20261981883,1503,1500$102.13$2.94
Apr 20262401833,5603,5600$100.32$2.77
Mar 20262983403,6433,6430$91.38$3.04
Feb 20262031733,0893,0890$64.51$3.62
Jan 20263313462,2142,13876$60.04$7.72
Dec 20255701,4491,4490$57.97$4.26
Nov 20253201,3221,3220$60.06$3.79
Oct 20251351751,7491,7490$60.89$3.19
Sep 2025641671,6231,6230$63.96$2.97
Aug 20255111,6091,6090$64.86$2.91
Jul 2025491691,4141,4140$68.39$3.20
Jun 20253551702,9402,9400$68.17$3.02
May 20253565192,8652,8650$62.17$3.12
Apr 20254603513,3143,3140$63.54$3.42
Mar 20257221,0664,1804,1800$68.24$4.12
Feb 20254773462,6842,6840$71.53$4.19
Jan 20256545353,4483,4480$75.74$4.13
Dec 20247368923,3673,3670$70.12$3.01
Nov 20244983521,5681,5680$69.95$2.12
Oct 20241281658218210$71.99$2.20
Sep 20242271777437430$70.24$2.28
Aug 20241871674544540$76.68$1.99
Jul 20242061701,1591,1590$81.80$2.07
Jun 20243933384344340$79.77$2.54
May 2024004164160$80.02$2.12
Apr 2024552022020$85.35$1.60
Mar 2024573465115110$81.28$1.49
Feb 20244321805,2785,2780$77.25$1.72
Jan 20243945505,0525,0520$74.15$3.18
Dec 20235005327,1477,1470$71.90$2.52
Nov 20238316973,7253,7250$77.69$2.71
Oct 20231,0291,2761,9221,9220$85.64$2.98
Sep 20237405311,7971,7970$89.43$2.64
Aug 202359250778780$81.39$2.58

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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Nearby

Diamondback E&P LLC in Martin County

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Spraberry (Trend Area) field

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