Heffernan

Oil & Gas Property in Atascosa County, TX

  2. Texas
  3. Atascosa County, TX
  4. Oil & Gas Properties in Atascosa County, TX
  5. Heffernan Oil & Gas Property

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Property Summary

Key data points for Heffernan

CountyAtascosa County, TX
OperatorEOG RESOURCES, INC.
Production DatesJul 2013 - Jun 2025
Total Oil Production918,975 BBLs
Total Gas Production604,393 MCF
Recent Oil Production2,314 BBLs in May 2025
Recent Gas Production3,104 MCF in May 2025
Wells on Property4

Our Valuation Estimates for Heffernan

ShaleAssessment™

$120,069 *

MarketMultiple™

$229,830 **

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

Based on a decimal interest

Heffernan Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Heffernan
from Jul 2013 to Jun 2025

Wells on Heffernan

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34681HEFFERNAN A UNIT 1HEOG RESOURCES, INC.ProducingAtascosa County, TX28.814634-98.504917
42-013-34688HEFFERNAN A UNIT 2HEOG RESOURCES, INC.ProducingAtascosa County, TX28.814645-98.504809
42-013-34725HEFFERNAN B UNIT 4HEOG RESOURCES, INC.ProducingAtascosa County, TX28.796022-98.506953
42-013-34727HEFFERNAN B UNIT 3HEOG RESOURCES, INC.ProducingAtascosa County, TX28.796035-98.506847

Leases included in Heffernan

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-17001HEFFERNAN A UNITEOG RESOURCES, INC.Atascosa County, TX
01-17113HEFFERNAN B UNITEOG RESOURCES, INC.Atascosa County, TX

Nearby Properties

These are the closest 20 properties to the Heffernan property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
AppaloosaAtascosa County, TX18,871 BBLs20,096 MCFJun 2025
Atascosa 601 UnitAtascosa County, TX586 BBLs706 MCFJun 2025
Beltran UnitAtascosa County, TX515 BBLs1,839 MCFJun 2025
Cap UnitAtascosa County, TX13,586 BBLs8,383 MCFJun 2025
Duren UnitAtascosa County, TX684 BBLs435 MCFJun 2025
Emil UnitAtascosa County, TX374 BBLs415 MCFJun 2025
Ferdinand UnitAtascosa County, TX715 BBLs476 MCFJun 2025
HirschAtascosa County, TX489 BBLs1,580 MCFJun 2025
Hobart UnitAtascosa County, TX1,015 BBLs997 MCFJun 2025
Janice UnitAtascosa County, TX477 BBLs137 MCFJun 2025
Jason UnitAtascosa County, TX13,141 BBLs7,092 MCFJun 2025
Massaro UnitAtascosa County, TX273 BBLs934 MCFJun 2025
Mildred UnitAtascosa County, TX540 BBLs413 MCFJun 2025
Nina UnitAtascosa County, TX713 BBLs638 MCFJun 2025
Pacheco UnitAtascosa County, TX702 BBLs842 MCFJun 2025
Skeeter UnitAtascosa County, TX1,506 BBLs3,148 MCFJun 2025
Tiro UnitAtascosa County, TX835 BBLs467 MCFJun 2025
Wheeler UnitAtascosa County, TX347 BBLs697 MCFJun 2025
Willie Nelson UnitAtascosa County, TX319 BBLs215 MCFJun 2025
Worden UnitAtascosa County, TX617 BBLs1,024 MCFJun 2025

Companies in the Area

These are the closest 20 companies operating near the Heffernan property.

Company Name
Atascosa Exploration, LLC
Atlas Eagle Ford Oper Co, LLC
Atlas Operating LLC
Bay Rock Operating Company
Brymer Contracting Incorporated
Cinco Oil & Gas, LLC
EOG Resources, Inc.
Exxon Corporation
Finger Oil & Gas, Inc.
Guinn Operating Company, LLC
Henry Petroleum Corp.
Javelin Energy Partners Management, LLC
Mazco Energy LLC
Miller, W. C. Operating Company
Murphy Expl. & Prod. Co. - USA
Pearl, Bill H. Productions, Inc.
Pillar Efs, LLC
Rosewood Resources, Inc.
Texas American Resources Company
Trailblazer Energy Resources, LLC

Frac'ing activity on Heffernan

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34681HEFFERNAN A UNIT # 1H
42-013-34688HEFFERNAN A UNIT # 2H
42-013-34725HEFFERNAN B UNIT # 4H
42-013-34727HEFFERNAN B UNIT # 3H

Owners of Heffernan

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025EOG RESOURCES INCHEFFERNAN B UNITEOG RESOURCES, INC.
2025MARSHALL LIVING TRUSTHEFFERNAN B UNITEOG RESOURCES, INC.
2025HEFFERNAN GLENNHEFFERNAN B UNITEOG RESOURCES, INC.
2025MEADE JAMES G & IRMA LHEFFERNAN B UNITEOG RESOURCES, INC.
2025FREEHOLD ROYALTIES (USA) INCHEFFERNAN B UNITEOG RESOURCES, INC.
2025EOG RESOURCES INCHEFFERNAN A UNITEOG RESOURCES, INC.
2025THIELE OTTO M JRHEFFERNAN B UNITEOG RESOURCES, INC.
2025MICKLER BETTY MADGEHEFFERNAN B UNITEOG RESOURCES, INC.
Displaying 8 of 104 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Heffernan

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-17001HEFFERNAN A UNITApr 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITApr 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMar 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMar 2025EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMar 2025EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMar 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMar 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMar 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMar 2025EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMar 2025EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITFeb 2025EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITFeb 2025EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITFeb 2025EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITFeb 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITFeb 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITFeb 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITFeb 2025EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITFeb 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITJan 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17001HEFFERNAN A UNITJan 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITJan 2025EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITJan 2025EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITJan 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITJan 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITJan 2025EOG RESOURCES, INC.