May-Chapman

Oil & Gas Property in Atascosa County, TX

Property Summary

Key data points for May-Chapman

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesJun 2012 - Dec 2025
Total Oil Production2,143,980 BBLs
Total Gas Production3,273,042 MCF
Recent Oil Production2,160 BBLs in Nov 2025
Recent Gas Production916 MCF in Nov 2025
Wells on Property9

Our Valuation Estimates for May-Chapman

ShaleAssessment

$34,116 *

MarketMultiple

$374,096 **

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

Based on a decimal interest

May-Chapman Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for May-Chapman
from Jun 2012 to Dec 2025

Wells on May-Chapman

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34506MAY-CHAPMAN 1HMARATHON OIL EF LLCShut InAtascosa County, TX28.703096-98.232549
42-013-34526MAY-CHAPMAN 2HMARATHON OIL EF LLCTemp AbandonedAtascosa County, TX28.697771-98.238315
42-013-34815MAY-CHAPMAN 3HMARATHON OIL EF LLCProducingAtascosa County, TX28.699737-98.237553
42-013-34816MAY-CHAPMAN 4HMARATHON OIL EF LLCProducingAtascosa County, TX28.699790-98.237481
42-013-34817MAY-CHAPMAN 5HMARATHON OIL EF LLCProducingAtascosa County, TX28.699843-98.237409
42-013-35442MAY-CHAPMAN 6HMARATHON OIL EF LLCProducingAtascosa County, TX28.701738-98.234261
42-013-35443MAY-CHAPMAN 7HMARATHON OIL EF LLCProducingAtascosa County, TX28.701690-98.234337
42-013-35444MAY-CHAPMAN 8HMARATHON OIL EF LLCProducingAtascosa County, TX28.701904-98.234700
42-013-35445MAY-CHAPMAN 9HMARATHON OIL EF LLCProducingAtascosa County, TX28.701856-98.234776

Leases included in May-Chapman

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-16009MAY-CHAPMANMARATHON OIL EF LLCAtascosa County, TX
01-289419MAY-CHAPMAN 2HMARATHON OIL EF LLCAtascosa County, TX

Nearby Properties

These are the closest 20 properties to the May-Chapman property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Anthony East Unit 1Atascosa County, TX383 BBLs133 MCFDec 2025
Anthony West UnitAtascosa County, TX309 BBLs161 MCFDec 2025
Bros UnitAtascosa County, TX1,898 BBLs12,762 MCFDec 2025
Cheatham-New 01Live Oak County, TX21 BBLs0 MCFDec 2025
Georgia Buck 01Live Oak County, TX314 BBLs45 MCFDec 2025
Jack Meeks 01Live Oak County, TX17,623 BBLs13,290 MCFDec 2025
John Jr UnitAtascosa County, TX317 BBLs482 MCFDec 2025
JTN UnitAtascosa County, TX563 BBLs71 MCFDec 2025
May GirlsAtascosa County, TX4,902 BBLs4,634 MCFDec 2025
May Girls-Chapman UnitAtascosa County, TX0 BBLs0 MCFDec 2025
Nancy EdmundAtascosa County, TX4,216 BBLs6,774 MCFDec 2025
Net UnitAtascosa County, TX313 BBLs0 MCFDec 2025
Net-BrosAtascosa County, TX1,203 BBLs1,375 MCFDec 2025
Pat UnitAtascosa County, TX522 BBLs852 MCFDec 2025
R May A-May Girls Chapman Sa2Atascosa County, TX13,824 BBLs19,351 MCFDec 2025
R May A-Schroeder Chapman Sa1Atascosa County, TX15,924 BBLs18,774 MCFDec 2025
R. MayAtascosa County, TX15,735 BBLs12,810 MCFDec 2025
Schroeder-Chapman UnitAtascosa County, TX1,336 BBLs1,855 MCFDec 2025
Sharon Fordyce 01Live Oak County, TX0 BBLs0 MCFAug 2025
Tom-Smith Unit AAtascosa County, TX1,934 BBLs4,106 MCFDec 2025

Frac'ing activity on May-Chapman

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34506May Chapman #1H
42-013-34526May Chapman 2H
42-013-34815May Chapman 3H
42-013-34816May Chapman 4H
42-013-34817May Chapman 5H
42-013-35442May Chapman 6H
42-013-35443May Chapman 7H
42-013-35444May Chapman 8H
42-013-35445May Chapman 9H

Owners of May-Chapman

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCMAY-CHAPMANMARATHON OIL E
2025R MAY OIL & GAS COMPANY LTDMAY-CHAPMANMARATHON OIL E
2025ESSE IVAN LYNMAY-CHAPMANMARATHON OIL E
2025CHAPMAN HUGH T FAMILY LIMITEDMAY-CHAPMANMARATHON OIL E
2025MARATHON OIL COMPANYMAY-CHAPMAN 2HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES (USA) INCMAY-CHAPMANMARATHON OIL E
2025AMBER HARVEST LLCMAY-CHAPMANMARATHON OIL E
2025MAY ROGER PHILIPMAY-CHAPMANMARATHON OIL E
Displaying 8 of 75 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on May-Chapman

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-16009MAY-CHAPMANDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANSep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANSep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANAug 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANAug 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANAug 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
01-289419MAY-CHAPMAN 2HAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16009MAY-CHAPMANJul 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY