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Texas oil lease

Producing

CHEST THUMPER 1-5 UNIT 1

Chest Thumper 1-5 Unit 1 is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

12 wells

508,423bbl oil, last 12 months−68% vs prior year
Operator
Diamondback E&P LLC
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-60617

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
1,612,844 mcf
Oil in Jul 2026
50,696 bbl

Checks stopped on this lease?

  • Operator

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

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

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Production by month

Oil output fell 68% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 68% over the last 12 monthsMonthly oil production and gas for CHEST THUMPER 1-5 UNIT 1, Apr 2024 to Jul 2026. Oil output fell 68% over the last 12 months. 508,423 bbl in the 12 months through Jul 2026, against 1,572,263 bbl in the 12 months before.Last 12 months: 508,423 bblbbl per monthmcf per month00100k100k200k200k300k300k400k400k500k500kApr 24JulOctJan 25AprJulOctJan 26AprJul
Oil output fell 68% over the last 12 monthsMonthly oil production and gas for CHEST THUMPER 1-5 UNIT 1, Apr 2024 to Jul 2026. Oil output fell 68% over the last 12 months. 508,423 bbl in the 12 months through Jul 2026, against 1,572,263 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00100k100k200k200k300k300k400k400k500k500kJul 24Jan 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 6.4% of the gas in Apr 2024.

  • 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 CHEST THUMPER 1-5 UNIT 1 gas by disposition code each month, Apr 2024 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 6.4% of the gas in Apr 2024.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineFlared 6.4%Apr 24JulOctJan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of CHEST THUMPER 1-5 UNIT 1 gas by disposition code each month, Apr 2024 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 6.4% of the gas in Apr 2024.Share of gas by disposition code0%50%100%Nov 24: plant to lineFlared 6.4%Jul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    100% · 1,609,160 mcf

  • Flared (4)

    0.2% · 3,684 mcf

0.2% of the gas flared in the last 12 months. One month 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., Apr 2024 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620252026Changed Jan 2025Endeavor Energy Resources L.P.Apr 2024 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Apr 2024 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620252026Changed Jan 2025Endeavor Energy Resources L.P.Apr 2024 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

12 wells on this lease

Wells on CHEST THUMPER 1-5 UNIT 1
API numberWell no.Status
42-317-45281112Active
42-317-45282122Active
42-317-45283123Active
42-317-45284125Active
42-317-45285126Active
42-317-45286132Active
42-317-45287133Active
42-317-45288135Active
42-317-45289136Active
42-317-45290142Active
42-317-45291143Active
42-317-45468143RActive

SourceTexas Railroad Commission Wellbore Query.

809.66 acres on the newest permit

  • Good to know

    12 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.

Check your decimal on this lease
Permits for Chest Thumper 1-5 Unit 1
API numberWell no.Acreson the permit
42-317-45468143R809.66
42-317-45288135809.66
42-317-45289136809.66
42-317-45290142809.66
42-317-45291143809.66
42-317-45287133809.66
42-317-45283123809.66
42-317-45284125809.66
42-317-45285126809.66
42-317-45281112809.66
42-317-45282122809.66
42-317-45286132809.66

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

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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

28 months, newest first

Ledger for CHEST THUMPER 1-5 UNIT 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P50,69651,157155,179155,1790$80.46$2.89
Jun 2026Diamondback E&P50,67550,611138,273138,2730$84.81$3.15
May 2026Diamondback E&P50,82650,636116,587116,5870$102.13$2.94
Apr 2026Diamondback E&P39,63239,71071,15269,8651,287$100.32$2.77
Mar 2026Diamondback E&P34,96734,81355,30155,2992$91.38$3.04
Feb 2026Diamondback E&P10,12610,13923,65423,59856$64.51$3.62
Jan 2026Diamondback E&P12,46113,04966,27365,959314$60.04$7.72
Dec 2025Diamondback E&P38,47437,840157,679157,390289$57.97$4.26
Nov 2025Diamondback E&P49,18949,078187,713186,764949$60.06$3.79
Oct 2025Diamondback E&P51,00251,844196,190196,064126$60.89$3.19
Sep 2025Diamondback E&P56,46655,674205,835205,302533$63.96$2.97
Aug 2025Diamondback E&P63,90963,911239,008238,880128$64.86$2.91
Jul 2025Diamondback E&P68,69668,733245,637245,6370$68.39$3.20
Jun 2025Diamondback E&P71,78671,856229,483229,4830$68.17$3.02
May 2025Diamondback E&P79,70479,632248,426248,4260$62.17$3.12
Apr 2025Diamondback E&P85,39185,413265,649265,479170$63.54$3.42
Mar 2025Diamondback E&P93,54193,678269,879269,83148$68.24$4.12
Feb 2025Diamondback E&P91,31391,499255,171255,08685$71.53$4.19
Jan 2025Diamondback E&P120,036120,037325,501324,4571,044$75.74$4.13
Dec 2024Endeavor Energy141,267141,413365,008365,0080$70.12$3.01
Nov 2024Endeavor Energy156,689156,524364,672364,6648$69.95$2.12
Oct 2024Endeavor Energy186,622186,574404,577398,691639$71.99$2.20
Sep 2024Endeavor Energy214,376214,581412,533403,9323,299$70.24$2.28
Aug 2024Endeavor Energy262,842262,645433,976426,8071,724$76.68$1.99
Jul 2024Endeavor Energy320,076320,087444,826438,1671,001$81.80$2.07
Jun 2024Endeavor Energy345,766345,603365,228357,1152,996$79.77$2.54
May 2024Endeavor Energy352,059352,003321,421316,28271$80.02$2.12
Apr 2024Endeavor Energy139,429138,956125,821117,1957,994$85.35$1.60

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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Nearby

This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyMartin County

Diamondback E&P LLC in Martin County

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Spraberry (Trend Area) field

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