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Texas oil lease

Producing

GRANTHAM 13

Grantham 13 is an oil lease in Howard County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

4 wells

1,858bbl oil, last 12 months−36% vs prior year
Operator
Diamondback E&P LLC
County
Howard County
Field
Spraberry (Trend Area)
RRC lease
08-41438

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Where it sits

This county

Howard CountyHowardMitchellMartinScurryDawsonBordenHoward County
Howard County
Gas, last 12 months
20,622 mcf
Oil in Jul 2026
149 bbl

Production by month

Oil output fell 36% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for GRANTHAM 13, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 1,858 bbl in the 12 months through Jul 2026, against 2,884 bbl in the 12 months before.Last 12 months: 1,858 bblbbl per monthmcf per month002002,5004005,0006007,50080010k1,00012.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for GRANTHAM 13, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 1,858 bbl in the 12 months through Jul 2026, against 2,884 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002,5004005,0006007,50080010k1,00012.5kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a transmission line in the last 12 monthsShare of GRANTHAM 13 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of GRANTHAM 13 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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.

4 wells on this lease

Wells on GRANTHAM 13
API numberWell no.Status
42-227-365881Shut-in
42-227-367212Active
42-227-369053 AActive
42-227-378494Active

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).

Who buys my oilOil price check

314 acres on the newest permit

The wells on this lease state different acreage

The permits state between 314 and 400 acres.

Permits for Grantham 13
API numberWell no.Acreson the permit
42-227-378494314
42-227-369053 A314
42-227-368883400
42-227-367212314
42-227-365881314

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

36 months, newest first

Ledger for GRANTHAM 13
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261491822,1722,1720$80.46$2.89
Jun 20261471821,2391,2390$84.81$3.15
May 20266263963960$102.13$2.94
Apr 2026148182,3732,3730$100.32$2.77
Mar 20261413582,5322,5320$91.38$3.04
Feb 202616072,1512,1510$64.51$3.62
Jan 20261233571,8551,8550$60.04$7.72
Dec 202515132,0732,0730$57.97$4.26
Nov 20251421751,4271,4270$60.06$3.79
Oct 20252041741,7201,7200$60.89$3.19
Sep 20251943261,3031,3030$63.96$2.97
Aug 20252371801,3811,3810$64.86$2.91
Jul 20252071271,3551,3550$68.39$3.20
Jun 20252223291,0301,0300$68.17$3.02
May 202577011110$62.17$3.12
Apr 202510917132320$63.54$3.42
Mar 202511903013010$68.24$4.12
Feb 20253013371,6141,6140$71.53$4.19
Jan 20253381883,2183,2180$75.74$4.13
Dec 20241553235,9675,9670$70.12$3.01
Nov 20243213803,1993,1990$69.95$2.12
Oct 2024413380000$71.99$2.20
Sep 2024324363000$70.24$2.28
Aug 20242981861,0431,0430$76.68$1.99
Jul 20244705503,7443,7440$81.80$2.07
Jun 20242301888,2188,2180$79.77$2.54
May 2024113010,71310,7130$80.02$2.12
Apr 20242291917,3647,3640$85.35$1.60
Mar 20242785606,7516,7510$81.28$1.49
Feb 20243331925,9325,9320$77.25$1.72
Jan 20244465707,2727,2720$74.15$3.18
Dec 202336119211,18711,1870$71.90$2.52
Nov 20234625529,7969,7960$77.69$2.71
Oct 20235007089,4599,4590$85.64$2.98
Sep 20238496858,0358,0350$89.43$2.64
Aug 20233623604,5594,5590$81.39$2.58

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)CountyHoward County

Diamondback E&P LLC in Howard County

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