Skip to content
Royalty Clerk

Texas oil lease

Producing

RIO BRAZOS 26-15 UNIT 2

Rio Brazos 26-15 Unit 2 is an oil lease in Midland County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

14 wells

406,774bbl oil, last 12 months−36% vs prior year
RRC lease
08-57740

Is your check right?

Check my statement

Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
3,356,872 mcf
Oil in Jul 2026
30,986 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 ENTERPRISE PRODUCTS OPERATING 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 36% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for RIO BRAZOS 26-15 UNIT 2, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 406,774 bbl in the 12 months through Jul 2026, against 630,853 bbl in the 12 months before.Last 12 months: 406,774 bblbbl per monthmcf per month0050k200k100k400k150k600k200k800kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for RIO BRAZOS 26-15 UNIT 2, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 406,774 bbl in the 12 months through Jul 2026, against 630,853 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050k200k100k400k150k600k200k800kJan 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 31.5% of the gas in Jun 2026.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Other (5 to 8)
  • Flared (4)
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of RIO BRAZOS 26-15 UNIT 2 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 31.5% of the gas in Jun 2026.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineFlared 31.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of RIO BRAZOS 26-15 UNIT 2 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 31.5% of the gas in Jun 2026.Share of gas by disposition code0%50%100%Nov 24: plant to lineFlared 31.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    82% · 2,751,263 mcf

  • Flared (4)

    8.6% · 290,341 mcf

  • Other (5 to 8)

    6.7% · 223,687 mcf

  • Lease fuel (1)

    2.7% · 91,581 mcf

8.6% of the gas flared in the last 12 months. 9 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., Dec 2022 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Dec 2022 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Dec 2022 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Dec 2022 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

14 wells on this lease

Wells on RIO BRAZOS 26-15 UNIT 2
API numberWell no.Status
42-329-45389262Active
42-329-45390263Active
42-329-45391164Active
42-329-45392171Active
42-329-45397172Active
42-329-45399273Active
42-329-45400174Active
42-329-45401281Active
42-329-45402182Active
42-329-45403183Active
42-329-45406251Active
42-329-45407152Active
42-329-45408153Active
42-329-45409154Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer CompanyOilGathers100Jan 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 gasGathers100Sep 1, 2025Mar 1, 2026
Enterprise M B Midstream LLCCasinghead gasBuys100Sep 1, 2025Mar 1, 2026
Energy Transfer CompanyCasinghead gasGathers33Jan 1, 2025Sep 1, 2025
Enterprise Products Operating LLCCasinghead gasGathers33Jan 1, 2025Sep 1, 2025
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers34Jan 1, 2025Sep 1, 2025
Enterprise M B Midstream LLCCasinghead gasBuys33Jan 1, 2025Sep 1, 2025

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

810.97 acres on the newest permit

  • Good to know

    14 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 Brazos 26-15 Unit 2
API numberWell no.Acreson the permit
42-329-45406251810.97
42-329-45407152810.97
42-329-45408153810.97
42-329-45409154810.97
42-329-45397172810.97
42-329-45399273810.97
42-329-45400174810.97
42-329-45401281810.97
42-329-45402182810.97
42-329-45403183810.97
42-329-45390263810.97
42-329-45391164810.97

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 RIO BRAZOS 26-15 UNIT 2
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P30,98631,091300,315278,98714,394$80.46$2.89
Jun 2026Diamondback E&P29,08529,020302,184200,38495,176$84.81$3.15
May 2026Diamondback E&P27,54528,363313,987274,83532,128$102.13$2.94
Apr 2026Diamondback E&P32,55231,902318,361268,37437,274$100.32$2.77
Mar 2026Diamondback E&P34,54034,562327,577249,14840,074$91.38$3.04
Feb 2026Diamondback E&P32,07632,049265,522228,7717,537$64.51$3.62
Jan 2026Diamondback E&P34,70334,620260,098215,1009,567$60.04$7.72
Dec 2025Diamondback E&P37,12637,147272,159234,0492,430$57.97$4.26
Nov 2025Diamondback E&P35,44635,458255,764215,9385,405$60.06$3.79
Oct 2025Diamondback E&P37,80237,791272,471234,3961,143$60.89$3.19
Sep 2025Diamondback E&P37,29437,404264,386215,19213,386$63.96$2.97
Aug 2025Diamondback E&P37,61937,697204,048136,08931,827$64.86$2.91
Jul 2025Diamondback E&P41,24741,114259,049208,21112,498$68.39$3.20
Jun 2025Diamondback E&P42,50442,429271,509233,414786$68.17$3.02
May 2025Diamondback E&P45,08445,131282,588242,509987$62.17$3.12
Apr 2025Diamondback E&P44,64244,606257,452219,879381$63.54$3.42
Mar 2025Diamondback E&P45,56045,597266,888224,3292,579$68.24$4.12
Feb 2025Diamondback E&P49,57049,419278,841237,8152,725$71.53$4.19
Jan 2025Diamondback E&P57,26557,387315,606272,5032,750$75.74$4.13
Dec 2024Endeavor Energy58,21258,253273,630265,470223$70.12$3.01
Nov 2024Endeavor Energy57,38857,384255,317247,278277$69.95$2.12
Oct 2024Endeavor Energy62,60562,401289,128276,2754,702$71.99$2.20
Sep 2024Endeavor Energy61,00461,160272,838262,8392,417$70.24$2.28
Aug 2024Endeavor Energy65,77265,731276,526266,3162,677$76.68$1.99
Jul 2024Endeavor Energy72,96072,975316,936305,9112,443$81.80$2.07
Jun 2024Endeavor Energy74,40574,420300,739287,7314,547$79.77$2.54
May 2024Endeavor Energy81,02781,019331,011321,3481,486$80.02$2.12
Apr 2024Endeavor Energy86,24886,181333,009323,0881,534$85.35$1.60
Mar 2024Endeavor Energy92,65092,702328,306318,9271,097$81.28$1.49
Feb 2024Endeavor Energy94,07894,095307,490292,2037,127$77.25$1.72
Jan 2024Endeavor Energy112,463112,422612,897590,45813,723$74.15$3.18
Dec 2023Endeavor Energy115,176115,429387,470378,140963$71.90$2.52
Nov 2023Endeavor Energy130,381130,307412,248402,774956$77.69$2.71
Oct 2023Endeavor Energy149,576149,624424,528409,1886,826$85.64$2.98
Sep 2023Endeavor Energy159,886159,949445,853435,7401,600$89.43$2.64
Aug 2023Endeavor Energy193,075193,117519,406510,603334$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?

Nearby

Diamondback E&P LLC in Midland County

All Diamondback E&P LLC leases →

Spraberry (Trend Area) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km