May Unit 1

Oil & Gas Property in Karnes County, TX

  2. Texas
  3. Karnes County, TX
  4. Oil & Gas Properties in Karnes County, TX
  5. May Unit 1 Oil & Gas Property

Map of Wells Full Screen Map 3-D Map

Property Summary

Key data points for May Unit 1

CountyKarnes County, TX
Production DatesNov 2010 - Feb 2026
Total Oil Production4,860,356 BBLs
Total Gas Production18,574,919 MCF
Recent Oil Production5,152 BBLs in Jan 2026
Recent Gas Production23,149 MCF in Jan 2026
Wells on Property19

Our Valuation Estimates for May Unit 1

ShaleAssessment™

$167,654 *

MarketMultiple™

$767,129 **

* Assessment based on future expected revenue
** Based on a 36 month multiple of average monthly estimated revenue

Based on a decimal interest

May Unit 1 Production Graph

Aggregated production of all wells and leases associated with this property
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for May Unit 1
from Nov 2010 to Feb 2026

Wells on May Unit 1

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-31698MAY UNIT 1HHILCORP ENERGY COMPANYHorizontal Well Surface LocatioKarnes County, TX28.810014-97.953672
42-255-31732MAY UNIT 1 AC 1HMARATHON OIL EF LLCProducingKarnes County, TX28.806550-97.943949
42-255-32571MAY UNIT 1 2HMARATHON OIL EF LLCProducingKarnes County, TX28.804696-97.947171
42-255-33647MAY UNIT 1 3HMARATHON OIL EF LLCShut InKarnes County, TX28.824094-97.953956
42-255-33648MAY UNIT 1 5HMARATHON OIL EF LLCProducingKarnes County, TX28.824159-97.953784
42-255-33649MAY UNIT 1 6HMARATHON OIL EF LLCProducingKarnes County, TX28.824088-97.953675
42-255-33650MAY UNIT 1 4HMARATHON OIL EF LLCProducingKarnes County, TX28.824129-97.953871
42-255-34288MAY UNIT 1 11HMARATHON OIL EF LLCHorizontal Well Surface LocatioKarnes County, TX28.815501-97.952005
42-255-34291MAY UNIT 1 12HMARATHON OIL EF LLCProducingKarnes County, TX28.815287-97.952651
42-255-34292MAY UNIT 1 13HMARATHON OIL EF LLCProducingKarnes County, TX28.815229-97.952827
42-255-34293MAY UNIT 1 10HMARATHON OIL EF LLCHorizontal Well Surface LocatioKarnes County, TX28.815568-97.951804
42-255-34303MAY UNIT 1 AC 11HMARATHON OIL EF LLCProducingKarnes County, TX28.815246-97.952791
42-255-34304MAY UNIT 1 AC 12HMARATHON OIL EF LLCProducingKarnes County, TX28.815191-97.952940
42-255-34305MAY UNIT 1 AC 10HMARATHON OIL EF LLCHorizontal Well Surface LocatioKarnes County, TX28.815472-97.952093
42-255-34306MAY UNIT 1 AC 9HMARATHON OIL EF LLCHorizontal Well Surface LocatioKarnes County, TX28.815530-97.951917
42-255-35593MAY UNIT 1 9HMARATHON OIL EF LLCProducingKarnes County, TX28.821965-97.958507
42-255-35629MAY UNIT 1 10HMARATHON OIL EF LLCProducingKarnes County, TX28.821938-97.958570
42-255-35630MAY UNIT 1 AC 4HMARATHON OIL EF LLCProducingKarnes County, TX28.821742-97.958114
42-255-35631MAY UNIT 1 11HMARATHON OIL EF LLCProducingKarnes County, TX28.821913-97.958656

Leases included in May Unit 1

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10912MAY UNIT 1MARATHON OIL EF LLCKarnes County, TX
02-11244MAY UNIT 1 ACMARATHON OIL EF LLCKarnes County, TX
02-259818MAY UNIT 1 AC 1HMARATHON OIL EF LLCKarnes County, TX
02-265086MAY UNIT 1 AC 1HMARATHON OIL EF LLCKarnes County, TX
02-267657MAY UNIT 1 2HMARATHON OIL EF LLCKarnes County, TX
02-278783MAY UNIT 1 12HMARATHON OIL EF LLCKarnes County, TX
02-279829MAY UNIT 1 AC 12HMARATHON OIL EF LLCKarnes County, TX
02-284430MAY UNIT 1 11HMARATHON OIL EF LLCKarnes County, TX
02-284431MAY UNIT 1 AC 4HMARATHON OIL EF LLCKarnes County, TX
02-284579MAY UNIT 1 10HMARATHON OIL EF LLCKarnes County, TX
02-284870MAY UNIT 1 9HMARATHON OIL EF LLCKarnes County, TX
02-289340MAY UNIT 1 AC 11HMARATHON OIL EF LLCKarnes County, TX
02-294387MAY UNIT 1 10HMARATHON OIL EF LLCKarnes County, TX
02-294388MAY UNIT 1 11HMARATHON OIL EF LLCKarnes County, TX
02-294410MAY UNIT 1 9HMARATHON OIL EF LLCKarnes County, TX

Operators Associated With May Unit 1

Nearby Properties

These are the closest 20 properties to the May Unit 1 property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Buehring UnitKarnes County, TX2,790 BBLs2,884 MCFFeb 2026
Culberson-Hughes UnitKarnes County, TX1,246 BBLs2,034 MCFFeb 2026
Culberson-Patteson UnitKarnes County, TX2,042 BBLs4,566 MCFFeb 2026
Direct-Robert-Gross Sa 1HKarnes County, TX1,889 BBLs8,527 MCFFeb 2026
Franke JohnsonKarnes County, TX7,440 BBLs102,737 MCFFeb 2026
Franke UnitKarnes County, TX16,439 BBLs76,984 MCFFeb 2026
Fransen UnitKarnes County, TX9,167 BBLs24,836 MCFFeb 2026
Fransen-Direct Assets SaKarnes County, TX20,889 BBLs71,240 MCFFeb 2026
Gilley UnitKarnes County, TX3,110 BBLs8,639 MCFFeb 2026
Gross-McLean UnitKarnes County, TX349 BBLs29 MCFFeb 2026
Gross-RobertKarnes County, TX3,235 BBLs10,572 MCFFeb 2026
Jordan UnitKarnes County, TX2,496 BBLs3,715 MCFFeb 2026
Kimble-GilleyKarnes County, TX4,270 BBLs11,228 MCFFeb 2026
Luna UnitKarnes County, TX4,201 BBLs11,594 MCFFeb 2026
Luna-May Unit PsaKarnes County, TX514 BBLs746 MCFFeb 2026
Murphy-KotaraKarnes County, TX1,945 BBLs10,657 MCFFeb 2026
Murphy-Sinclair UnitKarnes County, TX5,199 BBLs34,331 MCFFeb 2026
Robert Bowman UnitKarnes County, TX788 BBLs1,035 MCFFeb 2026
Rogers-Foester UnitKarnes County, TX1,450 BBLs9,874 MCFFeb 2026
Urrutia UnitKarnes County, TX1,659 BBLs2,276 MCFFeb 2026

Companies in the Area

These are the closest 20 companies operating near the May Unit 1 property.

Company Name
Blackbrush O & G, LLC
Burlington Resources Oil & Gas Company LP
Devon Energy Production Company, L.P.
Dewbre Petroleum Corporation
Encana Oil & Gas (USA) Inc.
EOG Resources Inc
Falcon Production LLC
Goldking Prod. Co.
Jones, Edwin M. Oil Co.
Marathon Oil Ef LLC
Mobil Producing TX. & N.M. Inc.
Ovintiv USA Inc.
Paloma Resources, LLC
Parker & Parsley Development Co.
Plains Exploration & Prod. Co.
Repsol Oil & Gas USA, LLC
Statoil Texas Onshore Prop LLC
Texas Crude Energy, Inc.
Tidal Petroleum, Inc.
Warwick-Artemis, LLC

Frac'ing activity on May Unit 1

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32571May Unit 1 2H
42-255-33647May Unit 1-3H
42-255-33648May Unit 1-5H
42-255-33650May Unit 1-4H
42-255-34291May Unit 1 12H
42-255-34292May Unit 1 13H
42-255-34303May Unit 1 AC 11H
42-255-34304May Unit 1 AC 12H
42-255-35593May Unit 1 9H
42-255-35629May Unit 1 10H
42-255-35630May Unit 1 AC 4H
42-255-35631May Unit 1 11H

Owners of May Unit 1

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCMAY UNIT 1 W#11HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCMAY UNIT 1 W#9HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCMAY UNIT 1 W#10HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCMAY UNIT 1 W#4H-6H,13HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCMAY UNIT 1 AC W#4HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCMAY UNIT 1 AC W#11HMARATHON OIL EF LLC
2025R MAY OIL & GAS LTDMAY UNIT 1 W#11HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCMAY UNIT 1 W#12HMARATHON OIL EF LLC
Displaying 8 of 459 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on May Unit 1

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10912MAY UNIT 1Dec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10912MAY UNIT 1Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10912MAY UNIT 1Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10912MAY UNIT 1Nov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10912MAY UNIT 1Nov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10912MAY UNIT 1Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-265086MAY UNIT 1 AC 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-265086MAY UNIT 1 AC 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-265086MAY UNIT 1 AC 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-265086MAY UNIT 1 AC 1HNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-265086MAY UNIT 1 AC 1HNov 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-265086MAY UNIT 1 AC 1HNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-278783MAY UNIT 1 12HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-278783MAY UNIT 1 12HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-278783MAY UNIT 1 12HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-278783MAY UNIT 1 12HNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-278783MAY UNIT 1 12HNov 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-278783MAY UNIT 1 12HNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-279829MAY UNIT 1 AC 12HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-279829MAY UNIT 1 AC 12HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-279829MAY UNIT 1 AC 12HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-279829MAY UNIT 1 AC 12HNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-279829MAY UNIT 1 AC 12HNov 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-279829MAY UNIT 1 AC 12HNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-284431MAY UNIT 1 AC 4HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY