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Data as of Jul 2026 production (Jun 2026–Jul 2026 provisional) · permits through Oct 14, 2026 · Source: Texas Railroad Commission · Methodology
Home / Operators / COLLEEN UNIT

COLLEEN UNIT

RRC oil lease 10849, district 02 · EAGLEVILLE (EAGLE FORD-2) field · Karnes County · operated by EOG RESOURCES, INC.

COLLEEN UNIT at a glance

Oil output in Mar 2026–May 2026 was down 22% from the same three months a year earlier. Over the last 12 months it reported 198,926 BBL of oil and 835,501 MCF of gas. In May 2026, the latest month not marked provisional, it reported 15,338 BBL and 64,419 MCF.

198.9KBBL oil, last 12 months▼ 19% vs prior 12
835.5KMCF gas, last 12 months▼ 14% vs prior 12
$1,682.58est. gross royalty for May 2026 at decimal
10new permits in Karnes County this month

Royalty = (15,338 BBL × $97.31 WTI, Sep 2026, EIA + 64,419 MCF × $2.95 Henry Hub, Sep 2026, EIA) × your decimal. 0.001 is only a placeholder: enter the decimal from your check stub or division order. Gross, before taxes and deductions. Full estimator →

Oil + condensate (BBL per month, last 36 months)

010K20K30K40KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Gas (MCF per month, last 36 months)

025K50K75K100KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Jun 2026 and Jul 2026 are provisional (lighter bars) and usually rise as late reports arrive.

COLLEEN UNIT production history in brief

By oil-equivalent volume over the last 12 months, COLLEEN UNIT ranks #33 of 3,270 reporting leases in Karnes County. It reported production in 34 of the 34 non-provisional months shown, starting in our window in Aug 2023. Its peak oil month in that window was Aug 2023 at 32,673 BBL. The lease is in the EAGLEVILLE (EAGLE FORD-2) field and is operated by EOG RESOURCES, INC.; production is reported for the lease as a whole, not per well.

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New permits nearby

New drilling permits issued this month in Karnes County. RRC production data has no lease coordinates, so we match by county.

IssuedOperatorLeaseWellDepth (ft)
2026-10-14SILVER HILL ENERGY OPERATING LLCMARGARET UNIT 1103H12,500
2026-10-09SILVER HILL ENERGY OPERATING LLCMARGARET UNIT 1202H11,450
2026-10-08MARATHON OIL EF LLCSPRENCEL-PECK UNIT3H11,428
2026-10-08SILVER HILL ENERGY OPERATING LLCMARGARET UNIT 1004H12,500
2026-10-08SILVER HILL ENERGY OPERATING LLCMARGARET UNIT 1005H12,500
2026-10-08SILVER HILL ENERGY OPERATING LLCMARGARET UNIT 1006H12,500
2026-10-08SILVER HILL ENERGY OPERATING LLCMARGARET UNIT 1203H11,450
2026-10-07BURLINGTON RESOURCES O & G CO LPSTEIN UNIT A117,500
2026-10-01MARATHON OIL EF LLCHAUS QUAD SA A117,500
2026-10-01MARATHON OIL EF LLCHAUS-JAU-CHRIS SA B117,500

Monthly production

MonthOil (BBL)Gas (MCF)
Jul 2026 (provisional)15,20264,733
Jun 2026 (provisional)15,44163,919
May 202615,33864,419
Apr 202615,63867,027
Mar 202616,34269,086
Feb 202615,51664,757
Jan 202617,55770,213
Dec 202518,03372,376
Nov 202517,43568,226
Oct 202516,92770,140
Sep 202517,52276,917
Aug 202517,97583,688
Jul 202518,33986,493
Jun 202518,72185,537
May 202519,89184,124
Apr 202520,29175,105
Mar 202520,35875,967
Feb 202518,41167,455
Jan 202520,89478,229
Dec 202421,39178,813
Nov 202420,82376,233
Oct 202422,69386,646
Sep 202422,19688,119
Aug 202422,77593,299
Jul 202424,58999,256
Jun 202424,73591,356
May 202427,01086,332
Apr 202424,72579,444
Mar 202425,19085,913
Feb 202426,75085,700
Jan 202428,51890,795
Dec 202329,76193,581
Nov 202329,11187,026
Oct 202331,04893,395
Sep 202331,05997,564
Aug 202332,67395,966

Check these figures in the RRC Production Data Query (Specific Lease Query: district 02, lease 10849). Production is reported per lease, so a lease with several wells is not split by well.

Source: Texas Railroad Commission (data sets, Production Data Query). Data date: RRC Production Data Query dump, extract dated Sep 18, 2026; production through Jul 2026. Jun 2026 and Jul 2026 are provisional: operators file late and amend, so these months usually rise in later releases. Oil = crude oil + condensate (BBL); gas = gas-well gas + casinghead gas (MCF), as reported to RRC. Methodology.