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Texas oil lease

Producing

RIO PECOS 27-18SL UNIT1

Rio Pecos 27-18SL Unit1 is an oil lease in Midland County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

8 wells

103,628bbl oil, last 12 months−20% vs prior year
Operator
Diamondback E&P LLC
County
Midland County
Field
Spraberry (Trend Area)
RRC lease
08-48852

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
1,054,848 mcf
Oil in Jul 2026
7,524 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.

  • Buyer

    Buyer changed: ETC GAS PROCESSING, LLC, ENTERPRISE M B MIDSTREAM LLC, TARGA PL MID-CONT WESTTEX LLC replaced ENT NAVITAS MDSTRM MDLND BAS LLC as the buyer of this lease's gas from oil wells on Jan 1, 2025.

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

See why checks stop on this lease

Production by month

Oil output fell 20% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 20% over the last 12 monthsMonthly oil production and gas for RIO PECOS 27-18SL UNIT1, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 103,628 bbl in the 12 months through Jul 2026, against 129,362 bbl in the 12 months before.Last 12 months: 103,628 bblbbl per monthmcf per month005,00025k10k50k15k75k20k100k25k125kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 20% over the last 12 monthsMonthly oil production and gas for RIO PECOS 27-18SL UNIT1, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 103,628 bbl in the 12 months through Jul 2026, against 129,362 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,00025k10k50k15k75k20k100k25k125kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 4.7% of the gas in Sep 2023.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of RIO PECOS 27-18SL UNIT1 gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 4.7% of the gas in Sep 2023.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineFlared 4.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of RIO PECOS 27-18SL UNIT1 gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 4.7% of the gas in Sep 2023.Share of gas by disposition code0%50%100%Nov 24: plant to lineFlared 4.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    93% · 978,001 mcf

  • Lease fuel (1)

    6.6% · 69,783 mcf

  • Flared (4)

    0.7% · 7,064 mcf

0.7% of the gas flared in the last 12 months. 2 months above 3%.

Who has run this lease

The operator changed once, most recently in Jan 2025

Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

8 wells on this lease

Wells on RIO PECOS 27-18SL UNIT1
API numberWell no.Status
42-329-410522LBActive
42-329-410532LAActive
42-329-410542UAActive
42-329-410761UAActive
42-329-410791LAActive
42-329-43433231Active
42-329-43434242Active
42-329-43435141Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer CompanyOilGathers100Sep 1, 2025–
Enterprise M B Midstream LLCCasinghead gasBuys90Mar 1, 2026–
Et Gathering & Processing LLCCasinghead gasBuys5Mar 1, 2026–
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys5Mar 1, 2026–
Enterprise Products Operating LLCCasinghead gasGathers90Mar 1, 2026–
Energy Transfer CompanyCasinghead gasGathers5Mar 1, 2026–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers5Mar 1, 2026–
Enterprise Products Operating LLCCasinghead gasGathers100Aug 1, 2025Mar 1, 2026
Enterprise M B Midstream LLCCasinghead gasBuys100Aug 1, 2025Mar 1, 2026
Centurion Pipeline L.p.OilGathers50Aug 1, 2025Sep 1, 2025
Energy Trans Crude Marketing LLCOilGathers50Aug 1, 2025Sep 1, 2025
Energy Transfer CompanyCasinghead gasGathers33Jan 1, 2025Aug 1, 2025
Enterprise Products Operating LLCCasinghead gasGathers33Jan 1, 2025Aug 1, 2025

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

Who buys my oilOil price check

499.22 acres on the newest permit

  • Good to know

    8 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 Rio Pecos 27-18SL Unit1
API numberWell no.Acreson the permit
42-329-43433231499.22
42-329-43434242499.22
42-329-43435141499.22
42-329-410791LA499.22
42-329-410761UA499.22
42-329-410522LB499.22
42-329-410532LA499.22
42-329-410542UA499.22

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 RIO PECOS 27-18SL UNIT1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P7,5247,572103,41898,075108$80.46$2.89
Jun 2026Diamondback E&P7,8517,93495,93589,5881,286$84.81$3.15
May 2026Diamondback E&P9,3599,462104,86099,086401$102.13$2.94
Apr 2026Diamondback E&P8,0137,91994,56187,9731,400$100.32$2.77
Mar 2026Diamondback E&P9,5899,62690,17284,026835$91.38$3.04
Feb 2026Diamondback E&P5,9916,40549,13743,773357$64.51$3.62
Jan 2026Diamondback E&P8,6188,58559,35653,95734$60.04$7.72
Dec 2025Diamondback E&P8,3617,97167,83261,89828$57.97$4.26
Nov 2025Diamondback E&P8,4208,60386,62279,641292$60.06$3.79
Oct 2025Diamondback E&P9,69510,50799,03192,477276$60.89$3.19
Sep 2025Diamondback E&P9,9378,856109,219101,098722$63.96$2.97
Aug 2025Diamondback E&P10,27010,32394,70586,4091,325$64.86$2.91
Jul 2025Diamondback E&P10,25210,23596,88089,036825$68.39$3.20
Jun 2025Diamondback E&P9,7889,90087,26177,9962,454$68.17$3.02
May 2025Diamondback E&P11,95111,92287,45780,226111$62.17$3.12
Apr 2025Diamondback E&P10,88010,70575,45468,340275$63.54$3.42
Mar 2025Diamondback E&P8,4668,51264,53657,029613$68.24$4.12
Feb 2025Diamondback E&P8,7068,78759,78252,359993$71.53$4.19
Jan 2025Diamondback E&P9,9929,78261,37554,251390$75.74$4.13
Dec 2024Endeavor Energy11,41411,50973,70267,006238$70.12$3.01
Nov 2024Endeavor Energy11,68911,68980,22073,540210$69.95$2.12
Oct 2024Endeavor Energy12,07212,13954,97948,958648$71.99$2.20
Sep 2024Endeavor Energy12,34312,47060,44454,70062$70.24$2.28
Aug 2024Endeavor Energy11,80911,56251,55745,814101$76.68$1.99
Jul 2024Endeavor Energy9,3209,41345,94640,85880$81.80$2.07
Jun 2024Endeavor Energy9,7299,66246,04439,9791,333$79.77$2.54
May 2024Endeavor Energy10,57210,55948,24841,934716$80.02$2.12
Apr 2024Endeavor Energy9,7959,86545,34740,070349$85.35$1.60
Mar 2024Endeavor Energy13,29713,28340,61434,536524$81.28$1.49
Feb 2024Endeavor Energy11,42011,33435,89029,737811$77.25$1.72
Jan 2024Endeavor Energy13,25413,27158,83950,8222,362$74.15$3.18
Dec 2023Endeavor Energy13,20813,16541,89336,026266$71.90$2.52
Nov 2023Endeavor Energy12,98613,09239,55033,883170$77.69$2.71
Oct 2023Endeavor Energy14,13114,12336,63930,787508$85.64$2.98
Sep 2023Endeavor Energy12,64812,70328,95622,0551,352$89.43$2.64
Aug 2023Endeavor Energy13,40113,32731,61326,082156$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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This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyMidland County

Diamondback E&P LLC in Midland County

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