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Texas oil lease

Producing

BLALOCK 1321

Blalock 1321 is an oil lease in Glasscock County, Texas, operated by XTO Energy Inc. in the Spraberry (Trend Area) field.

2 wells

48,483bbl oil, last 12 months−39% vs prior year
RRC lease
08-57419

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
500,134 mcf
Oil in Jul 2026
2,514 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ET GATHERING & PROCESSING LLC replaced ENERGY TRANSFER COMPANY as the buyer of this lease's gas from oil wells on Jun 1, 2026.

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

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Production by month

Oil output fell 39% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 39% over the last 12 monthsMonthly oil production and gas for BLALOCK 1321, Aug 2023 to Jul 2026. Oil output fell 39% over the last 12 months. 48,483 bbl in the 12 months through Jul 2026, against 79,476 bbl in the 12 months before.Last 12 months: 48,483 bblbbl per monthmcf per month005,00020k10k40k15k60k20k80kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 39% over the last 12 monthsMonthly oil production and gas for BLALOCK 1321, Aug 2023 to Jul 2026. Oil output fell 39% over the last 12 months. 48,483 bbl in the 12 months through Jul 2026, against 79,476 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,00020k10k40k15k60k20k80kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

96% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
96% of the gas went to a processing plant in the last 12 monthsShare of BLALOCK 1321 gas by disposition code each month, Aug 2023 to Jul 2026. 96% 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
96% of the gas went to a processing plant in the last 12 monthsShare of BLALOCK 1321 gas by disposition code each month, Aug 2023 to Jul 2026. 96% 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)

    96% · 481,039 mcf

  • Lease fuel (1)

    3.8% · 18,971 mcf

  • Flared (4)

    0.0% · 124 mcf

2 wells on this lease

Wells on BLALOCK 1321
API numberWell no.Status
42-173-385331321SHActive
42-173-385341301BHActive

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 gasGathers100Jan 7, 2022–
Energy Transfer CompanyCasinghead gasBuys100Jan 7, 2022Jun 1, 2026
Nustar Permian Trans and Stg,llcOilGathers100Jan 7, 2022Feb 1, 2025

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

965.10 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.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Blalock 1321
API numberWell no.Acreson the permit
42-173-385331321SH965.10
42-173-385341301BH965.10

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for BLALOCK 1321
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,5142,52732,97131,7700$80.46$2.89
Jun 20263,4543,43937,38835,66714$84.81$3.15
May 20263,6503,67340,52338,5720$102.13$2.94
Apr 20263,8703,83439,07737,4210$100.32$2.77
Mar 20262,8112,83127,24725,9710$91.38$3.04
Feb 20263,6133,60939,82838,2931$64.51$3.62
Jan 20263,8493,84940,49138,95432$60.04$7.72
Dec 20254,1914,18346,34644,7570$57.97$4.26
Nov 20254,4944,51348,21246,40671$60.06$3.79
Oct 20255,3425,33646,72045,1250$60.89$3.19
Sep 20254,9174,90747,66346,0950$63.96$2.97
Aug 20255,7785,78253,66852,0086$64.86$2.91
Jul 20255,1405,15451,41849,6860$68.39$3.20
Jun 20255,9135,91050,61848,8310$68.17$3.02
May 20256,3596,35252,47350,5970$62.17$3.12
Apr 20255,5215,51446,72644,707518$63.54$3.42
Mar 20256,1716,20259,04157,4700$68.24$4.12
Feb 20256,3126,31651,33449,9416$71.53$4.19
Jan 20257,3447,34856,10754,64032$75.74$4.13
Dec 20247,7587,77453,72952,2170$70.12$3.01
Nov 20249,3769,32555,42953,9440$69.95$2.12
Oct 20245,4535,45434,54433,6500$71.99$2.20
Sep 20246,4016,41638,46537,7220$70.24$2.28
Aug 20247,7287,72746,66845,91490$76.68$1.99
Jul 20247,9407,92945,67144,83646$81.80$2.07
Jun 20246,2996,30336,71636,087122$79.77$2.54
May 202410,14410,13852,72351,81898$80.02$2.12
Apr 20248,1478,14344,96344,2640$85.35$1.60
Mar 20249,1239,11644,05043,3400$81.28$1.49
Feb 20246,2396,24250,34049,5970$77.25$1.72
Jan 20247,8437,94751,67750,7030$74.15$3.18
Dec 202312,05612,05154,71853,73275$71.90$2.52
Nov 202313,86013,80447,36146,360177$77.69$2.71
Oct 202311,11811,24144,16143,43496$85.64$2.98
Sep 202315,21815,13367,84366,081251$89.43$2.64
Aug 202316,66616,66558,79157,35630$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

XTO Energy Inc. in Glasscock County

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Spraberry (Trend Area) field

All leases in this field →

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Drilling permits within 10 km