Skip to content
Royalty Clerk

Texas oil lease

Producing

COTHAM 21

Cotham 21 is an oil lease in Dawson County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

1 well

656bbl oil, last 12 months−26% vs prior year
Operator
Diamondback E&P LLC
County
Dawson County
Field
Spraberry (Trend Area)
RRC lease
08-43780

Is your check right?

Check my statement

Where it sits

This county

Dawson CountyDawsonGainesLynnGarzaAndrewsTerryBordenDawson County
Dawson County
Gas, last 12 months
115 mcf
Oil in Jul 2026
78 bbl

Production by month

Oil output fell 26% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 26% over the last 12 monthsMonthly oil production and gas for COTHAM 21, Aug 2023 to Jul 2026. Oil output fell 26% over the last 12 months. 656 bbl in the 12 months through Jul 2026, against 881 bbl in the 12 months before.Last 12 months: 656 bblbbl per monthmcf per month00501010020150302004025050Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 26% over the last 12 monthsMonthly oil production and gas for COTHAM 21, Aug 2023 to Jul 2026. Oil output fell 26% over the last 12 months. 656 bbl in the 12 months through Jul 2026, against 881 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00501010020150302004025050Jan 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 90.0% of the gas in Oct 2023.

  • Transmission line (2)
  • Flared (4)
Over 99% of the gas went to a transmission line in the last 12 monthsShare of COTHAM 21 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 90.0% of the gas in Oct 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 90.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a transmission line in the last 12 monthsShare of COTHAM 21 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 90.0% of the gas in Oct 2023.Share of gas by disposition code0%50%100%Flared 90.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    100% · 254 mcf

  • Flared (4)

    0.4% · 1 mcf

0.4% of the gas flared in the last 12 months. 5 months above 3%.

1 well on this lease

Wells on COTHAM 21
API numberWell no.Status
42-115-335511Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Rio Energy International, Inc.OilGathers100Aug 1, 2025–
Dcp Operating Company, LPCasinghead gasBuys50Aug 1, 2025–
Et Gathering & Processing LLCCasinghead gasBuys50Mar 1, 2026–
Dcp Operating Company, LPCasinghead gasGathers50Aug 1, 2025–
Energy Transfer CompanyCasinghead gasGathers50Aug 1, 2025–
Etc Gas Processing, LLCCasinghead gasBuys50Aug 1, 2025Mar 1, 2026
Energy Transfer CompanyCasinghead gasGathers100Aug 1, 2024Aug 1, 2025
Etc Gas Processing, LLCCasinghead gasBuys100Aug 1, 2024Aug 1, 2025
Buckhead Midstream, LLCOilGathers100May 1, 2022Aug 1, 2025
Dcp Operating Company, LPCasinghead gasGathers50May 1, 2022Aug 1, 2024
Wtg Gas Processing, L.p.Casinghead gasGathers50May 1, 2022Aug 1, 2024

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

Who buys my oilOil price check

96.20 acres on the newest permit

Permits for Cotham 21
API numberWell no.Acreson the permit
42-115-33551196.20

SourceRailroad Commission drilling permits, Sep 26, 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 COTHAM 21
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026781000$80.46$2.89
Jun 2026390000$84.81$3.15
May 202657185000$102.13$2.94
Apr 2026770000$100.32$2.77
Mar 2026590000$91.38$3.04
Feb 202679186770$64.51$3.62
Jan 202627029290$60.04$7.72
Dec 202550029290$57.97$4.26
Nov 202571178000$60.06$3.79
Oct 202529011110$60.89$3.19
Sep 202551012120$63.96$2.97
Aug 20253918127270$64.86$2.91
Jul 202553045450$68.39$3.20
Jun 2025720770$68.17$3.02
May 2025440000$62.17$3.12
Apr 20255018021210$63.54$3.42
Mar 202588016151$68.24$4.12
Feb 2025200000$71.53$4.19
Jan 20259418327270$75.74$4.13
Dec 2024142024240$70.12$3.01
Nov 202425170330$69.95$2.12
Oct 202492027270$71.99$2.20
Sep 202411417027270$70.24$2.28
Aug 202487024240$76.68$1.99
Jul 20247218125250$81.80$2.07
Jun 202411617928280$79.77$2.54
May 2024960301416$80.02$2.12
Apr 202483028280$85.35$1.60
Mar 202410116428280$81.28$1.49
Feb 202410417126260$77.25$1.72
Jan 202494028280$74.15$3.18
Dec 202311318424240$71.90$2.52
Nov 202393028244$77.69$2.71
Oct 20239717130327$85.64$2.98
Sep 2023103180291118$89.43$2.64
Aug 202393030300$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

How to check your stub against this lease

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyDawson County

Diamondback E&P LLC in Dawson 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