May Girls-Chapman Unit

Oil & Gas Property in Atascosa County, TX

  2. Texas
  3. Atascosa County, TX
  4. Oil & Gas Properties in Atascosa County, TX
  5. May Girls-Chapman Unit Oil & Gas Property

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Property Summary

Key data points for May Girls-Chapman Unit

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesNov 2013 - Oct 2025
Total Oil Production474,015 BBLs
Total Gas Production729,940 MCF
Recent Oil ProductionNo Recent Prod.
Recent Gas ProductionNo Recent Prod.
Wells on Property4

Our Valuation Estimates for May Girls-Chapman Unit

ShaleAssessment™

$43,582 *

MarketMultiple™

$23,143 **

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

Based on a decimal interest

May Girls-Chapman Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for May Girls-Chapman Unit
from Nov 2013 to Oct 2025

Wells on May Girls-Chapman Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34637MAY GIRLS-CHAPMAN UNIT 1HMARATHON OIL EF LLCProducingAtascosa County, TX28.709465-98.221594
42-013-34642MAY GIRLS-CHAPMAN UNIT 2HMARATHON OIL EF LLCProducingAtascosa County, TX28.709536-98.221408
42-013-34643MAY GIRLS-CHAPMAN UNIT 3HMARATHON OIL EF LLCShut InAtascosa County, TX28.709580-98.221348
42-013-34665MAY GIRLS-CHAPMAN UNIT 4HMARATHON OIL EF LLCShut InAtascosa County, TX28.709624-98.221288

Leases included in May Girls-Chapman Unit

Lease #Lease NameOperatorCounty
02-10641MAY GIRLS-CHAPMAN UNITMARATHON OIL EF LLCAtascosa County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Anthony West UnitAtascosa County, TX349 BBLs276 MCFOct 2025
Bros UnitAtascosa County, TX1,848 BBLs1,780 MCFOct 2025
Giese UnitAtascosa County, TX2,434 BBLs2,332 MCFOct 2025
Guy Phillip WrightLive Oak County, TX10,801 BBLs27,716 MCFOct 2025
Henke UnitAtascosa County, TX2,051 BBLs2,300 MCFOct 2025
Henke-Wilhelm UnitAtascosa County, TX2,916 BBLs3,056 MCFOct 2025
JTN UnitAtascosa County, TX294 BBLs228 MCFOct 2025
May GirlsAtascosa County, TX4,343 BBLs3,244 MCFOct 2025
May-ChapmanAtascosa County, TX2,126 BBLs3,658 MCFOct 2025
Nancy EdmundAtascosa County, TX2,434 BBLs2,866 MCFOct 2025
Net-BrosAtascosa County, TX969 BBLs922 MCFOct 2025
Pat UnitAtascosa County, TX750 BBLs1,235 MCFOct 2025
R May A-May Girls Chapman Sa2Atascosa County, TX18,201 BBLs19,943 MCFOct 2025
R May A-Schroeder Chapman Sa1Atascosa County, TX17,068 BBLs16,995 MCFOct 2025
R. MayAtascosa County, TX18,916 BBLs13,128 MCFOct 2025
Retzloff-Chapman UnitLive Oak County, TX235 BBLs376 MCFOct 2025
Schroeder-Chapman UnitAtascosa County, TX1,342 BBLs721 MCFOct 2025
Sharon Fordyce 01Live Oak County, TX0 BBLs0 MCFAug 2025
Tom-Smith Unit AAtascosa County, TX2,898 BBLs4,190 MCFOct 2025
Wilhelm-Smith UnitAtascosa County, TX2,157 BBLs3,581 MCFOct 2025

Companies in the Area

These are the closest 20 companies operating near the May Girls-Chapman Unit property.

Company Name
Aggietech Oil, LTD.
Burlington Resources Oil & Gas Company LP
Chevron USA Inc
Enserch Exploration Inc
EOG Resources Inc
Magnolia Oil & Gas Operating LLC
Marathon Oil Ef LLC
Miller, W. C. Operating Company
Murphy Expl. & Prod. Co. - USA
Newfield Exploration Company
Pioneer Natural Res. USA, Inc.
Rollert Co., Inc., The
Sea Eagle Ford, LLC
Silverbow Resources Oper, LLC
Teal Operating, LLC
Tidal Petroleum, Inc.
Venus Oil Company
Verdun Oil & Gas LLC
Warwick-Artemis, LLC
XTO Energy Inc.

Frac'ing activity on May Girls-Chapman Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34637May Girls-Chapman 1H
42-013-34642May Girls Chapman 2H
42-013-34643May Girls Chapman 3H
42-013-34665May Girls Chapman 4H

Owners of May Girls-Chapman Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCMAY GIRLS-CHAPMAN UNITMARATHON OIL E
2025ESSE IVAN LYNMAY GIRLS-CHAPMAN UNITMARATHON OIL E
2025MARATHON OIL EF LLCMAY GIRLS-CHAPMAN UNITMARATHON OIL EF LLC
2025CHAPMAN HUGH T FAMILY LIMITEDMAY GIRLS-CHAPMAN UNITMARATHON OIL E
2025ESSE IVAN LYNMAY GIRLS-CHAPMAN UNITMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES (USA) INCMAY GIRLS-CHAPMAN UNITMARATHON OIL E
2025AMBER HARVEST LLCMAY GIRLS-CHAPMAN UNITMARATHON OIL E
2025R MAY OIL & GAS COMPANY LTDMAY GIRLS-CHAPMAN UNITMARATHON OIL E
Displaying 8 of 117 Owners   --   Full Ownership Data Available for Subscribers Only