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 - Jan 2026
Total Oil Production2,146,755 BBLs
Total Gas Production3,275,036 MCF
Recent Oil Production1,535 BBLs in Dec 2025
Recent Gas Production580 MCF in Dec 2025
Wells on Property9

Our Valuation Estimates for May-Chapman

ShaleAssessment

$33,713 *

MarketMultiple

$336,873 **

* 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 Jan 2026

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, TX381 BBLs115 MCFJan 2026
Anthony West UnitAtascosa County, TX358 BBLs144 MCFJan 2026
BLT UnitAtascosa County, TX299 BBLs74 MCFJan 2026
Bros UnitAtascosa County, TX1,895 BBLs9,738 MCFJan 2026
Cheatham-New 01Live Oak County, TX1,450 BBLs83 MCFJan 2026
Georgia Buck 01Live Oak County, TX598 BBLs276 MCFJan 2026
Jack Meeks 01Live Oak County, TX56,530 BBLs82,542 MCFJan 2026
John Jr UnitAtascosa County, TX330 BBLs276 MCFJan 2026
JTN UnitAtascosa County, TX664 BBLs27 MCFJan 2026
May GirlsAtascosa County, TX4,423 BBLs4,335 MCFJan 2026
May Girls-Chapman UnitAtascosa County, TX13 BBLs1 MCFDec 2025
Net-BrosAtascosa County, TX1,336 BBLs3,655 MCFJan 2026
Pat UnitAtascosa County, TX730 BBLs667 MCFJan 2026
R May A-May Girls Chapman Sa2Atascosa County, TX17,815 BBLs30,352 MCFJan 2026
R May A-Schroeder Chapman Sa1Atascosa County, TX18,364 BBLs32,681 MCFJan 2026
R. MayAtascosa County, TX18,689 BBLs18,209 MCFJan 2026
R. May B-Guajillo UnitAtascosa County, TX579 BBLs293 MCFJan 2026
Schroeder-Chapman UnitAtascosa County, TX2,572 BBLs2,301 MCFJan 2026
Sharon Fordyce 01Live Oak County, TX0 BBLs0 MCFAug 2025
Tom-Smith Unit AAtascosa County, TX954 BBLs2,999 MCFJan 2026

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
2025AMBER HARVEST LLCMAY-CHAPMANMARATHON OIL E
2025FREEHOLD ROYALTIES (USA) INCMAY-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