R. May B-Guajillo Unit

Oil & Gas Property in Atascosa County, TX

Property Summary

Key data points for R. May B-Guajillo Unit

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesJun 2014 - Jul 2025
Total Oil Production313,732 BBLs
Total Gas Production368,441 MCF
Recent Oil Production799 BBLs in Jun 2025
Recent Gas Production944 MCF in Jun 2025
Wells on Property1

Our Valuation Estimates for R. May B-Guajillo Unit

ShaleAssessment

$35,227 *

MarketMultiple

$82,024 **

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

Based on a decimal interest

R. May B-Guajillo Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for R. May B-Guajillo Unit
from Jun 2014 to Jul 2025

Wells on R. May B-Guajillo Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34919R. MAY B-GUAJILLO UNIT 1HMARATHON OIL EF LLCProducingAtascosa County, TX28.677707-98.249284

Leases included in R. May B-Guajillo Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-17935R. MAY B-GUAJILLO UNITMARATHON OIL EF LLCAtascosa County, TX

Nearby Properties

These are the closest 20 properties to the R. May B-Guajillo Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Bensmiller Unit ALive Oak County, TX414 BBLs1,368 MCFJul 2025
Buck UnitLive Oak County, TX1,817 BBLs3,167 MCFJul 2025
Cheatham-New 01Live Oak County, TX694 BBLs610 MCFJul 2025
Georgia Buck 01Live Oak County, TX537 BBLs290 MCFJul 2025
GuajilloLive Oak County, TX36,479 BBLs76,146 MCFJul 2025
Guajillo UnitAtascosa County, TX36,032 BBLs57,827 MCFJul 2025
H T Chapman 0Live Oak County, TX9,045 BBLs30,050 MCFJul 2025
Heard BowerAtascosa County, TX2,080 BBLs1,108 MCFJul 2025
Heard Bower CentralAtascosa County, TX1,700 BBLs648 MCFJul 2025
Jack Meeks 01Live Oak County, TX646 BBLs211 MCFJul 2025
James Keith Esse 01Live Oak County, TX8,739 BBLs24,114 MCFJul 2025
Justin Tom 01Atascosa County, TX3,855 BBLs4,679 MCFJul 2025
KoerthLive Oak County, TX8,671 BBLs21,011 MCFJul 2025
May-ChapmanAtascosa County, TX4,829 BBLs4,355 MCFJul 2025
R May A-Schroeder Chapman Sa1Atascosa County, TX36,311 BBLs31,769 MCFJul 2025
R. MayAtascosa County, TX10,153 BBLs9,673 MCFJul 2025
Retzloff UnitLive Oak County, TX9,258 BBLs21,088 MCFJul 2025
Schroeder-Chapman UnitAtascosa County, TX1,060 BBLs648 MCFJul 2025
Sharon Fordyce 01Live Oak County, TX2 BBLs20 MCFJul 2025
WhitsettLive Oak County, TX286 BBLs736 MCFJul 2025

Frac'ing activity on R. May B-Guajillo Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34919R May B Guajillo 1H

Owners of R. May B-Guajillo Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
2025R MAY OIL & GAS COMPANY LTDR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
2025HARRISON DANIEL J IIIR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
2025EMORY PEAK MINERALS SUB IV LLCR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
2025AMBER HARVEST LLCR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
2025LAFREY PHYLLIS MAYR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
2025RP MAY LTDR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
2025MAY ROGER PHILIPR MAY B GUAJILLO UNIT 1HMARATHON OIL EF LLC
Displaying 8 of 16 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on R. May B-Guajillo Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-17935R. MAY B-GUAJILLO UNITApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITMar 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITFeb 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITJan 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITDec 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITNov 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITNov 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITNov 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITOct 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITOct 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITOct 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITSep 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITSep 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITSep 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITAug 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITAug 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
01-17935R. MAY B-GUAJILLO UNITAug 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC