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Texas oil lease

Producing

CYCLOPS 1-30 UNIT 2

Cyclops 1-30 Unit 2 is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

15 wells

1,016,351bbl oil, last 12 months
Operator
Diamondback E&P LLC
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-60598

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
3,065,574 mcf
Oil in Jul 2026
58,518 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: ONEOK MIDLAND MIDSTREAM, LLC replaced ENLINK GAS MARKETING, LP 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.

See why checks stop on this lease

Production by month

Oil output fell 78% since Oct 2024

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 78% since Oct 2024Monthly oil production and gas for CYCLOPS 1-30 UNIT 2, Oct 2024 to Jul 2026. Oil output fell 78% since Oct 2024. Monthly average of 67,489 bbl in the latest 3 months, against 303,709 bbl in the first 3.Last 12 months: 1,016,351 bblbbl per monthmcf per month00100k100k200k200k300k300k400k400k500k500kOct 24Jan 25AprJulOctJan 26AprJul
Oil output fell 78% since Oct 2024Monthly oil production and gas for CYCLOPS 1-30 UNIT 2, Oct 2024 to Jul 2026. Oil output fell 78% since Oct 2024. Monthly average of 67,489 bbl in the latest 3 months, against 303,709 bbl in the first 3.Last 12 monthsbbl per monthmcf per month00100k100k200k200k300k300k400k400k500k500kJan 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 3.1% of the gas in Feb 2025.

  • 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 CYCLOPS 1-30 UNIT 2 gas by disposition code each month, Oct 2024 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 3.1% of the gas in Feb 2025.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineFlared 3.1%Oct 24Jan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of CYCLOPS 1-30 UNIT 2 gas by disposition code each month, Oct 2024 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 3.1% of the gas in Feb 2025.Share of gas by disposition code0%50%100%Nov 24: plant to lineFlared 3.1%Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    96% · 2,945,201 mcf

  • Lease fuel (1)

    3.8% · 116,572 mcf

  • Flared (4)

    0.1% · 3,801 mcf

0.1% 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., Oct 2024 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620252026Changed Jan 2025Endeavor Energy Resources L.P.Oct 2024 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Oct 2024 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620252026Changed Jan 2025Endeavor Energy Resources L.P.Oct 2024 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

15 wells on this lease

Wells on CYCLOPS 1-30 UNIT 2
API numberWell no.Status
42-317-45412153Active
42-317-45413154Active
42-317-45414251Active
42-317-45415162Active
42-317-45416255Active
42-317-45417261Active
42-317-45418172Active
42-317-45422173Active
42-317-45423176Active
42-317-45424271Active
42-317-45425274Active
42-317-45426275Active
42-317-45427182Active
42-317-45428281Active
42-317-45429252Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Medallion Operating Company, LLCOilGathers100Sep 1, 2024–
Oneok Midland Midstream, LLCCasinghead gasBuys100Apr 1, 2026–
Enlink Permian, LLCCasinghead gasGathers100Sep 1, 2024–
Enlink Gas Marketing, LPCasinghead gasBuys100Sep 1, 2024Apr 1, 2026

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

Who buys my oilOil price check

996.13 acres on the newest permit

  • Good to know

    15 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 Cyclops 1-30 Unit 2
API numberWell no.Acreson the permit
42-317-45428281996.13
42-317-45416255996.13
42-317-45423176996.13
42-317-45424271996.13
42-317-45425274996.13
42-317-45426275996.13
42-317-45427182996.13
42-317-45429252996.13
42-317-45412153996.13
42-317-45413154996.13
42-317-45414251996.13
42-317-45415162996.13

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

22 months, newest first

Ledger for CYCLOPS 1-30 UNIT 2
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P58,51858,354220,262209,797320$80.46$2.89
Jun 2026Diamondback E&P65,04365,191251,617240,981101$84.81$3.15
May 2026Diamondback E&P78,90578,890270,592259,30219$102.13$2.94
Apr 2026Diamondback E&P61,79061,769202,476192,124202$100.32$2.77
Mar 2026Diamondback E&P80,63080,775281,781271,8570$91.38$3.04
Feb 2026Diamondback E&P86,23586,046254,455245,4910$64.51$3.62
Jan 2026Diamondback E&P73,70573,578207,072196,5312,241$60.04$7.72
Dec 2025Diamondback E&P93,46893,629274,349264,7090$57.97$4.26
Nov 2025Diamondback E&P93,45793,446273,331263,89865$60.06$3.79
Oct 2025Diamondback E&P105,521105,343271,201260,902633$60.89$3.19
Sep 2025Diamondback E&P100,851100,953265,986257,53232$63.96$2.97
Aug 2025Diamondback E&P118,228118,324292,452282,077188$64.86$2.91
Jul 2025Diamondback E&P129,793129,872294,837284,66418$68.39$3.20
Jun 2025Diamondback E&P141,286141,365319,841309,6152$68.17$3.02
May 2025Diamondback E&P162,917162,993324,484314,5428$62.17$3.12
Apr 2025Diamondback E&P157,804157,760282,319273,702842$63.54$3.42
Mar 2025Diamondback E&P187,979187,912321,716310,4761,670$68.24$4.12
Feb 2025Diamondback E&P201,679201,826319,874301,2369,825$71.53$4.19
Jan 2025Diamondback E&P263,111263,125384,561366,3199,945$75.74$4.13
Dec 2024Endeavor Energy388,730388,763483,684465,5929,008$70.12$3.01
Nov 2024Endeavor Energy397,280397,183347,581344,2172,914$69.95$2.12
Oct 2024Endeavor Energy125,116124,407109,506107,8501,656$71.99$2.20

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)CountyMartin County

Diamondback E&P LLC in Martin County

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Spraberry (Trend Area) field

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