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Producing

UL TAWNY UNIT 8-12

Ul Tawny Unit 8-12 is an oil lease in Andrews County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

9 wells

148,477bbl oil, last 12 months+29% vs prior year
RRC lease
08-45939

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
260,188 mcf
Oil in Jul 2026
12,335 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ONEOK MIDLAND MIDSTREAM, LLC replaced CORONADO MIDSTREAM LLC as the buyer of this lease's gas from oil wells on Apr 1, 2026.

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

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Production by month

Oil output rose 29% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 29% over the last 12 monthsMonthly oil production and gas for UL TAWNY UNIT 8-12, Aug 2023 to Jul 2026. Oil output rose 29% over the last 12 months. 148,477 bbl in the 12 months through Jul 2026, against 115,227 bbl in the 12 months before.Last 12 months: 148,477 bblbbl per monthmcf per month005,00010k10k20k15k30k20k40kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 29% over the last 12 monthsMonthly oil production and gas for UL TAWNY UNIT 8-12, Aug 2023 to Jul 2026. Oil output rose 29% over the last 12 months. 148,477 bbl in the 12 months through Jul 2026, against 115,227 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,00010k10k20k15k30k20k40kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a transmission line in the last 12 months

Flaring peaked at 12.7% of the gas in Jun 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
98% of the gas went to a transmission line in the last 12 monthsShare of UL TAWNY UNIT 8-12 gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a transmission line in the last 12 months. Flaring peaked at 12.7% of the gas in Jun 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 12.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
98% of the gas went to a transmission line in the last 12 monthsShare of UL TAWNY UNIT 8-12 gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a transmission line in the last 12 months. Flaring peaked at 12.7% of the gas in Jun 2024.Share of gas by disposition code0%50%100%Flared 12.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    98% · 255,932 mcf

  • Flared (4)

    1.6% · 4,061 mcf

  • Lease fuel (1)

    0.1% · 195 mcf

1.6% of the gas flared in the last 12 months. 4 months above 3%.

9 wells on this lease

Wells on UL TAWNY UNIT 8-12
API numberWell no.Status
42-003-463241LSActive
42-003-463612LSActive
42-003-463633LSActive
42-003-477655LSActive
42-003-477664WBActive
42-003-477674LSActive
42-003-478328LSActive
42-003-478337LSActive
42-003-478356LSActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Oryx Midland Oil Gathering LLCOilGathers100Apr 1, 2026–
Oneok Midland Midstream, LLCCasinghead gasBuys100Apr 1, 2026–
Enlink Permian, LLCCasinghead gasGathers100Apr 1, 2026–
Enlink Midstream Services, LLCCasinghead gasGathers100Jul 1, 2021Apr 1, 2026
Coronado Midstream LLCCasinghead gasBuys100Jul 1, 2021Apr 1, 2026
Eastex Crude Company, LLCOilGathers25Jan 1, 2023Apr 1, 2026
Explore Logistics LLCOilGathers25Jul 1, 2021Apr 1, 2026
Oryx Midland Oil Gathering LLCOilGathers50May 17, 2021Apr 1, 2026
Eastex Crude CompanyOilGathers25Jul 1, 2021Jan 1, 2023

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

970.95 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 930.95 and 970.95 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    9 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 Ul Tawny Unit 8-12
API numberWell no.Acreson the permit
42-003-478328LS970.95
42-003-478337LS970.95
42-003-478356LS970.95
42-003-477655LS970.95
42-003-477664WB970.95
42-003-477674LS970.95
42-003-463612LS930.95
42-003-463633LS930.95
42-003-463241LS930.95

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

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 UL TAWNY UNIT 8-12
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202612,33512,36325,11224,730356$80.46$2.89
Jun 202612,28412,38726,00825,488492$84.81$3.15
May 202614,24814,17226,38826,31843$102.13$2.94
Apr 202613,02213,08024,89424,598270$100.32$2.77
Mar 202613,24213,19723,35623,3420$91.38$3.04
Feb 202610,55410,53318,89418,84536$64.51$3.62
Jan 202612,65712,63521,34020,705611$60.04$7.72
Dec 202512,81412,84822,74222,66751$57.97$4.26
Nov 202512,44812,40617,98416,1321,839$60.06$3.79
Oct 202512,58712,60119,94519,90540$60.89$3.19
Sep 202511,63211,65719,32219,3220$63.96$2.97
Aug 202510,65410,63414,20313,880323$64.86$2.91
Jul 20259,9039,95712,96412,92935$68.39$3.20
Jun 202510,34810,22613,01912,97936$68.17$3.02
May 202510,06610,08112,66712,59162$62.17$3.12
Apr 20259,5629,60312,86712,78271$63.54$3.42
Mar 20259,8119,82111,72110,3691,339$68.24$4.12
Feb 20258,5218,48511,37911,33037$71.53$4.19
Jan 20259,0459,02811,80711,7960$75.74$4.13
Dec 20248,9618,97212,77812,70349$70.12$3.01
Nov 20248,8308,81213,52213,41877$69.95$2.12
Oct 202410,09910,09315,67115,6420$71.99$2.20
Sep 20249,2169,26613,66913,6440$70.24$2.28
Aug 202410,86510,78014,23114,18125$76.68$1.99
Jul 202410,42910,46816,49516,4670$81.80$2.07
Jun 202410,63110,65620,62117,9692,615$79.77$2.54
May 20249,9849,97618,56218,084444$80.02$2.12
Apr 20249,5029,47617,00516,88884$85.35$1.60
Mar 20249,0789,09416,30916,2790$81.28$1.49
Feb 202410,78610,75520,66620,6280$77.25$1.72
Jan 202411,90711,94423,94523,631276$74.15$3.18
Dec 202311,80211,81425,10724,409667$71.90$2.52
Nov 202310,69610,69424,37123,553785$77.69$2.71
Oct 202311,12811,26524,27524,19235$85.64$2.98
Sep 202311,96512,08617,52217,4170$89.43$2.64
Aug 202316,10216,14027,24526,927318$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.

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