Skip to content
Royalty Clerk

Texas oil lease

Producing

LUPIN TXL FEE 'B'

Lupin TXL Fee 'B' is an oil lease in Ector County, Texas, operated by Diamondback E&P LLC in the Sallie Ann (Spraberry-Wolfcamp) field.

36 wells

11,205bbl oil, last 12 months+17% vs prior year
Operator
Diamondback E&P LLC
County
Ector County
Field
Sallie Ann (Spraberry-Wolfcamp)
RRC lease
08-42510

Is your check right?

Check my statement

Where it sits

This county

Ector CountyEctorMartinMidlandAndrewsWinklerWardEctor County
Ector County
Gas, last 12 months
77,832 mcf
Oil in Jul 2026
969 bbl

Production by month

Oil output rose 17% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 17% over the last 12 monthsMonthly oil production and gas for LUPIN TXL FEE 'B', Aug 2023 to Jul 2026. Oil output rose 17% over the last 12 months. 11,205 bbl in the 12 months through Jul 2026, against 9,607 bbl in the 12 months before.Last 12 months: 11,205 bblbbl per monthmcf per month005005,0001,00010k1,50015k2,00020kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 17% over the last 12 monthsMonthly oil production and gas for LUPIN TXL FEE 'B', Aug 2023 to Jul 2026. Oil output rose 17% over the last 12 months. 11,205 bbl in the 12 months through Jul 2026, against 9,607 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005,0001,00010k1,50015k2,00020kJan 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 4.2% of the gas in Oct 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Over 99% of the gas went to a transmission line in the last 12 monthsShare of LUPIN TXL FEE 'B' 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 4.2% of the gas in Oct 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a transmission line in the last 12 monthsShare of LUPIN TXL FEE 'B' 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 4.2% of the gas in Oct 2023.Share of gas by disposition code0%50%100%Flared 4.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    100% · 77,467 mcf

  • Lease fuel (1)

    0.5% · 365 mcf

Who has run this lease

The operator changed 2 times, most recently in Dec 2022

Operators of this lease over timeChevron U. S. A. Inc., Jan 2020 to Jan 2022; Firebird Energy LLC, Feb 2022 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Feb 2022Changed Dec 2022Chevron U. S. A. Inc.Jan 2020 to Jan 2022Firebird Energy LLCFeb 2022 to Nov 2022Diamondback E&P LLCDec 2022 to now
Operators of this lease over timeChevron U. S. A. Inc., Jan 2020 to Jan 2022; Firebird Energy LLC, Feb 2022 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Feb 2022Changed Dec 2022Chevron U. S. A. Inc.Jan 2020 to Jan 2022Firebird Energy LLCFeb 2022 to Nov 2022Diamondback E&P LLCDec 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

36 wells on this lease

Wells on LUPIN TXL FEE 'B'
API numberWell no.Status
42-135-418594101EShut-in
42-135-418624102EActive
42-135-418634103EShut-in
42-135-418644104EShut-in
42-135-418664105EActive
42-135-418674106EShut-in
42-135-418864107EShut-in
42-135-418874108EShut-in
42-135-418884109EShut-in
42-135-418894110EActive
42-135-418904111EShut-in
42-135-418914112EActive
42-135-418924113EActive
42-135-418934114EShut-in
42-135-418944115EShut-in
42-135-418954116EShut-in
42-135-418981SWActive
42-135-419700114EActive
42-135-420734312EShut-in
42-135-420744313EShut-in
42-135-420754301EActive
42-135-420764310EActive
42-135-420774302EShut-in
42-135-420784309EActive
42-135-420794308EActive
42-135-420944303EShut-in
42-135-423424305EActive
42-135-423664306EShut-in
42-135-423674314EShut-in
42-135-423684304EActive
42-135-424654316EShut-in
42-135-424664311EShut-in
42-135-424674307EActive
42-135-424690105EShut-in
42-135-424700108EActive
42-135-424710115EShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers50Jul 21, 2025–
Enterprise Crude Pipeline LLCOilGathers50Jul 21, 2025–
Targa Midstream Services LLCCasinghead gasBuys100Jul 21, 2025–
Targa Midstream Services LLCCasinghead gasGathers100May 1, 2017–
Targa Midstream Services LLCCasinghead gasBuys100May 1, 2017Jul 21, 2025
Enterprise Crude Oil LLCOilGathers25Feb 1, 2022Jul 21, 2025
Enterprise Crude Pipeline LLCOilGathers25Feb 1, 2022Jul 21, 2025
Knowles Transportation, LLCOilGathers25Feb 1, 2022Jul 21, 2025
Ngl Crude Logistics, LLCOilGathers25Feb 1, 2022Jul 21, 2025
Enterprise Crude Oil LLCOilGathers30May 1, 2017Feb 1, 2022

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

Who buys my oilOil price check

1,920 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 642.67 and 1,920 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    36 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 Lupin TXL Fee 'B'
API numberWell no.Acreson the permit
42-135-424654316E1,920
42-135-424674307E1,920
42-135-424664311E1,920
42-135-424690105E1,920
42-135-424700108E1,920
42-135-424710115E1,920
42-135-423424305E1,920
42-135-423664306E1,920
42-135-423674314E1,920
42-135-423684304E1,920
42-135-418884109E1,920
42-135-418934114E1,920

SourceRailroad Commission drilling permits, Oct 3, 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 LUPIN TXL FEE 'B'
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P9691,0737,7687,7370$80.46$2.89
Jun 2026Diamondback E&P1,3381,2517,4807,4500$84.81$3.15
May 2026Diamondback E&P7107216,2896,2580$102.13$2.94
Apr 2026Diamondback E&P7907634,7824,7520$100.32$2.77
Mar 2026Diamondback E&P7777754,9734,9420$91.38$3.04
Feb 2026Diamondback E&P7828074,8044,7760$64.51$3.62
Jan 2026Diamondback E&P1,0031,3655,2555,2240$60.04$7.72
Dec 2025Diamondback E&P1,0747656,2476,2160$57.97$4.26
Nov 2025Diamondback E&P1,3881,4127,5727,5420$60.06$3.79
Oct 2025Diamondback E&P1,0891,1508,7608,7290$60.89$3.19
Sep 2025Diamondback E&P7898077,2657,2350$63.96$2.97
Aug 2025Diamondback E&P4964016,6376,6060$64.86$2.91
Jul 2025Diamondback E&P42223693690$68.39$3.20
Jun 2025Diamondback E&P00000$68.17$3.02
May 2025Diamondback E&P4704355,3665,3470$62.17$3.12
Apr 2025Diamondback E&P7417857,1297,1070$63.54$3.42
Mar 2025Diamondback E&P7407426,9146,8910$68.24$4.12
Feb 2025Diamondback E&P8919116,8576,8360$71.53$4.19
Jan 2025Diamondback E&P1,5311,4378,2457,963259$75.74$4.13
Dec 2024Diamondback E&P1,0171,0868,1528,1300$70.12$3.01
Nov 2024Diamondback E&P7547757,1116,99396$69.95$2.12
Oct 2024Diamondback E&P1,2201,2389,9369,9140$71.99$2.20
Sep 2024Diamondback E&P1,1021,0757,3917,3720$70.24$2.28
Aug 2024Diamondback E&P1,0991,1557,8567,75874$76.68$1.99
Jul 2024Diamondback E&P1,0901,11310,38110,3520$81.80$2.07
Jun 2024Diamondback E&P1,1251,1409,9009,638234$79.77$2.54
May 2024Diamondback E&P1,2431,27810,81010,7810$80.02$2.12
Apr 2024Diamondback E&P1,4001,38610,49510,4660$85.35$1.60
Mar 2024Diamondback E&P9961,04710,57510,353193$81.28$1.49
Feb 2024Diamondback E&P1,2411,23410,08510,0570$77.25$1.72
Jan 2024Diamondback E&P1,1151,05211,00410,9750$74.15$3.18
Dec 2023Diamondback E&P94298410,88910,755105$71.90$2.52
Nov 2023Diamondback E&P1,2211,12611,43811,33586$77.69$2.71
Oct 2023Diamondback E&P1,3591,31713,85113,272579$85.64$2.98
Sep 2023Diamondback E&P1,1601,15514,89614,478278$89.43$2.64
Aug 2023Diamondback E&P1,1241,16314,48314,2740$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

OperatorDiamondback E&P LLCFieldSallie Ann (Spraberry-Wolfcamp)CountyEctor County

Diamondback E&P LLC in Ector County

All Diamondback E&P LLC leases →

Sallie Ann (Spraberry-Wolfcamp) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km