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WILLIAMSON SAN ANDRES UNIT

Williamson San Andres Unit is an oil lease in Ector County, Texas, operated by Baker Operating, Inc. in the Goldsmith, W. (San Andres) field.

27 wells

5,180bbl oil, last 12 months+13% vs prior year
Operator
Baker Operating, Inc.
County
Ector County
Field
Goldsmith, W. (San Andres)
RRC lease
08-23996

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Where it sits

This county

Ector CountyEctorMartinMidlandAndrewsWinklerWardEctor County
Ector County
Gas, last 12 months
14,156 mcf
Oil in Jul 2026
436 bbl

Production by month

Oil output rose 13% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 13% over the last 12 monthsMonthly oil production and gas for WILLIAMSON SAN ANDRES UNIT, Aug 2023 to Jul 2026. Oil output rose 13% over the last 12 months. 5,180 bbl in the 12 months through Jul 2026, against 4,581 bbl in the 12 months before.Last 12 months: 5,180 bblbbl per monthmcf per month002005004001,0006001,5008002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 13% over the last 12 monthsMonthly oil production and gas for WILLIAMSON SAN ANDRES UNIT, Aug 2023 to Jul 2026. Oil output rose 13% over the last 12 months. 5,180 bbl in the 12 months through Jul 2026, against 4,581 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002005004001,0006001,5008002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a processing plant in the last 12 monthsShare of WILLIAMSON SAN ANDRES UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All 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
All of the gas went to a processing plant in the last 12 monthsShare of WILLIAMSON SAN ANDRES UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All 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.

27 wells on this lease

Wells on WILLIAMSON SAN ANDRES UNIT
API numberWell no.Status
42-135-083051Active
42-135-083062Active
42-135-083084Active
42-135-083095Active
42-135-10107D 1Active
42-135-10179D 2Active
42-135-10461D 3WActive
42-135-10493D 4Active
42-135-10650B 1Active
42-135-10856B 2Active
42-135-10857B 3WActive
42-135-10874H 3Active
42-135-10875H 4Active
42-135-10905C 1Active
42-135-11008401WActive
42-135-11009402Active
42-135-11010403Active
42-135-11204J 2WActive
42-135-20348H 5Active
42-135-366831HActive
42-135-39387H 6Active
42-135-39689404Active
42-135-39690405Active
42-135-40622406Active
42-135-406236Active
42-135-413447Active
42-135-413458Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Bml, Inc. BOilGathers99Jul 1, 2026–
Hf Sinclair Refining & MarketingOilGathers1Jul 1, 2026–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Jul 1, 2026
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Jul 1, 2026
Hollyfrontier Ref & Mktg LLCOilGathers100Sep 1, 2011Jul 1, 2026

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

Who buys my oilOil price check

840 acres on the newest permit

  • Good to know

    29 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • 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 Williamson San Andres Unit
API numberWell no.Acreson the permit
42-135-413458840
42-135-413447840
42-135-40622406840
42-135-406236840
42-135-39689404840
42-135-39690405840
42-135-39387H 6840
42-135-366831H840
42-135-05426H 2–
42-135-083051–
42-135-083062–
42-135-083073W–

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for WILLIAMSON SAN ANDRES UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264363861,1561,1560$80.46$2.89
Jun 20263883838818810$84.81$3.15
May 20264183831,2821,2820$102.13$2.94
Apr 20264775721,2851,2850$100.32$2.77
Mar 20264463831,3291,3290$91.38$3.04
Feb 20264845771,2391,2390$64.51$3.62
Jan 20265205741,4751,4750$60.04$7.72
Dec 20255063871,1271,1270$57.97$4.26
Nov 20252961908948940$60.06$3.79
Oct 20254015729149140$60.89$3.19
Sep 20254773811,3961,3960$63.96$2.97
Aug 20253313791,1781,1780$64.86$2.91
Jul 20253603728868860$68.39$3.20
Jun 20252511819569560$68.17$3.02
May 20252813743813810$62.17$3.12
Apr 20253403779949940$63.54$3.42
Mar 20253813661,3571,3570$68.24$4.12
Feb 20253493821,3171,3170$71.53$4.19
Jan 20254793691,1971,1970$75.74$4.13
Dec 202444036580800$70.12$3.01
Nov 20243473691,1071,1070$69.95$2.12
Oct 202449255277770$71.99$2.20
Sep 20244453703263260$70.24$2.28
Aug 20244165571,2161,2160$76.68$1.99
Jul 20244785581,3371,3370$81.80$2.07
Jun 20243141841,3841,3840$79.77$2.54
May 20242581751,2201,2200$80.02$2.12
Apr 20243753529739730$85.35$1.60
Mar 20244385541,4041,4040$81.28$1.49
Feb 20245705649399390$77.25$1.72
Jan 20245365561,6101,6100$74.15$3.18
Dec 20235125621,1911,1910$71.90$2.52
Nov 20234283741,6581,6580$77.69$2.71
Oct 20234735521,3541,3540$85.64$2.98
Sep 20234653661,1931,1930$89.43$2.64
Aug 20235155501,4181,4180$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

This lease belongs to

OperatorBaker Operating, Inc.FieldGoldsmith, W. (San Andres)CountyEctor County

Baker Operating, Inc. in Ector County

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Goldsmith, W. (San Andres) field

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