Skip to content
Royalty Clerk

Texas oil lease

Producing

SERIO (GRAYBURG)UNIT

Serio (Grayburg)unit is an oil lease in Andrews County, Texas, operated by Fasken Oil and Ranch, Ltd. in the Serio (Grayburg) field.

5 wells

34,343bbl oil, last 12 months+5% vs prior year
Operator
Fasken Oil and Ranch, Ltd.
County
Andrews County
Field
Serio (Grayburg)
RRC lease
08-37270

Is your check right?

Check my statement

Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
3,083 mcf
Oil in Jul 2026
3,135 bbl

Production by month

Oil output rose 5% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 5% over the last 12 monthsMonthly oil production and gas for SERIO (GRAYBURG)UNIT, Aug 2023 to Jul 2026. Oil output rose 5% over the last 12 months. 34,343 bbl in the 12 months through Jul 2026, against 32,565 bbl in the 12 months before.Last 12 months: 34,343 bblbbl per monthmcf per month001,0001002,0002003,0003004,0004005,000500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 5% over the last 12 monthsMonthly oil production and gas for SERIO (GRAYBURG)UNIT, Aug 2023 to Jul 2026. Oil output rose 5% over the last 12 months. 34,343 bbl in the 12 months through Jul 2026, against 32,565 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001002,0002003,0003004,0004005,000500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Aug 2024 the lease's gas goes to lease fuel instead of a processing plant

Flaring peaked at 75.5% of the gas in Oct 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Aug 2024 the lease's gas goes to lease fuel instead of a processing plantShare of SERIO (GRAYBURG)UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to lease fuel instead of a processing plant. Flaring peaked at 75.5% of the gas in Oct 2025.Share of the lease’s gas by disposition code, per month0%50%100%Aug 2024: plant to fuelFlared 75.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Aug 2024 the lease's gas goes to lease fuel instead of a processing plantShare of SERIO (GRAYBURG)UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to lease fuel instead of a processing plant. Flaring peaked at 75.5% of the gas in Oct 2025.Share of gas by disposition code0%50%100%Aug 24: plant to fuelFlared 75.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    52% · 1,597 mcf

  • Flared (4)

    48% · 1,486 mcf

48.2% of the gas flared in the last 12 months. 24 months above 3%.

5 wells on this lease

Wells on SERIO (GRAYBURG)UNIT
API numberWell no.Status
42-003-307476Active
42-003-307733Active
42-003-307894Active
42-003-3093411Active
42-003-367993AActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers100Jul 1, 2022–
Dcp Operating Company, LPCasinghead gasBuys100Jul 1, 2022–
Dcp Operating Company, LPCasinghead gasGathers100Jul 1, 2022–
Fasken Oil and Ranch, Ltd.Casinghead gasGathers100Dec 17, 2013Jul 1, 2022
Fasken Oil and Ranch, Ltd.Casinghead gasBuys100Dec 17, 2013Jul 1, 2022
Sentinel Transportation, LLCOilGathers100Aug 1, 2021Jul 1, 2022
Fasken Oil and Ranch, Ltd.OilGathers100Dec 17, 2013Aug 1, 2021

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

Who buys my oilOil price check

200 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 160 and 7,040 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    53 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 Serio (Grayburg)unit
API numberWell no.Acreson the permit
42-003-392160102200
42-003-39216102200
42-003-3921801017,040
42-003-392181017,040
42-003-3921901047,040
42-003-392191047,040
42-003-3922001057,040
42-003-392201057,040
42-003-3922101067,040
42-003-392211067,040
42-003-3922201117,040
42-003-392221117,040

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SERIO (GRAYBURG)UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263,1352,8528000$80.46$2.89
Jun 20262,7522,8603990240$84.81$3.15
May 20263,1252,8554290260$102.13$2.94
Apr 20262,1302,1428300$100.32$2.77
Mar 20262,2392,33313500$91.38$3.04
Feb 20262,6012,5163920228$64.51$3.62
Jan 20262,1332,05616300$60.04$7.72
Dec 20252,5282,9227100$57.97$4.26
Nov 20253,2683,30415900$60.06$3.79
Oct 20253,6563,4303310250$60.89$3.19
Sep 20253,3743,6454220254$63.96$2.97
Aug 20253,4023,3784190254$64.86$2.91
Jul 20253,2493,0713710279$68.39$3.20
Jun 20252,8372,7813860260$68.17$3.02
May 20253,0183,0224420268$62.17$3.12
Apr 20252,8512,6733420257$63.54$3.42
Mar 20251,6341,75017700$68.24$4.12
Feb 20252,6712,8334220243$71.53$4.19
Jan 20252,6782,46417500$75.74$4.13
Dec 20242,9762,9274300257$70.12$3.01
Nov 20242,4502,456214043$69.95$2.12
Oct 20242,5732,7361594429$71.99$2.20
Sep 20242,5232,387129430$70.24$2.28
Aug 20243,1053,3171574031$76.68$1.99
Jul 20242,6582,6441959316$81.80$2.07
Jun 20242,9962,9412091230$79.77$2.54
May 20242,4842,5313521790$80.02$2.12
Apr 20242,7042,7803241530$85.35$1.60
Mar 20243,0062,953466160133$81.28$1.49
Feb 20242,4052,294330122123$77.25$1.72
Jan 20243,0743,2072987552$74.15$3.18
Dec 20233,0762,9233040133$71.90$2.52
Nov 20232,5222,5663508147$77.69$2.71
Oct 20232,3882,764325110129$85.64$2.98
Sep 20233,1582,890476141150$89.43$2.64
Aug 20233,0562,940438197155$81.39$2.58

Flared above 3%

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

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorFasken Oil and Ranch, Ltd.FieldSerio (Grayburg)CountyAndrews County

Fasken Oil and Ranch, Ltd. in Andrews County

All Fasken Oil and Ranch, Ltd. leases →

Serio (Grayburg) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km