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 2026
Total Oil Production939,364 BBLs
Total Gas Production614,946 MCF
Recent Oil Production2,774 BBLs in May 2026
Recent Gas Production1,842 MCF in May 2026
Wells on Property4

Our Valuation Estimates for Heffernan

ShaleAssessment™

$104,803 *

MarketMultiple™

$248,231 **

* 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
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Heffernan
from Jul 2013 to Jun 2026

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
Ahrens UnitAtascosa County, TX724 BBLs859 MCFJun 2026
AppaloosaAtascosa County, TX11,926 BBLs14,622 MCFJun 2026
Atascosa 601 UnitAtascosa County, TX556 BBLs677 MCFJun 2026
Beltran UnitAtascosa County, TX555 BBLs1,426 MCFJun 2026
Cap UnitAtascosa County, TX4,166 BBLs4,003 MCFJun 2026
Ferdinand UnitAtascosa County, TX467 BBLs93 MCFJun 2026
Friesenhahn UnitAtascosa County, TX651 BBLs334 MCFJun 2026
HirschAtascosa County, TX382 BBLs1,259 MCFJun 2026
Hobart UnitAtascosa County, TX407 BBLs301 MCFJun 2026
Jason UnitAtascosa County, TX4,560 BBLs5,770 MCFJun 2026
Massaro UnitAtascosa County, TX476 BBLs1,053 MCFJun 2026
Mildred UnitAtascosa County, TX643 BBLs583 MCFJun 2026
Nina UnitAtascosa County, TX684 BBLs892 MCFJun 2026
Pacheco UnitAtascosa County, TX748 BBLs777 MCFJun 2026
Seiffert UnitAtascosa County, TX430 BBLs144 MCFJun 2026
Skeeter UnitAtascosa County, TX1,287 BBLs2,910 MCFJun 2026
Stockhorst UnitAtascosa County, TX403 BBLs652 MCFJun 2026
Tiro UnitAtascosa County, TX474 BBLs613 MCFJun 2026
Wheeler UnitAtascosa County, TX303 BBLs275 MCFJun 2026
Worden UnitAtascosa County, TX713 BBLs775 MCFJun 2026

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
Burk Royalty Company
Carrizo (Eagle Ford) LLC
EOG Resources Inc
Exxon Corporation
Finger Oil & Gas, Inc.
Guinn Operating Company, LLC
Henry Petroleum Corp.
Mazco Energy LLC
Miller, W. C. Operating Company
Murphy Expl. & Prod. Co. - USA
Pearl, Bill H. Productions, Inc.
Rosewood Resources Inc
Texas American Resources Company
Trailblazer Energy Resources, LLC
Virtex Operating Company, Inc.

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
2026EOG RESOURCES INCHEFFERNAN B UNITEOG RESOURCES, INC.
2026DUREN-MARSHALL LLCHEFFERNAN B UNITEOG RESOURCES, INC.
2026EOG RESOURCES INCHEFFERNAN A UNITEOG RESOURCES, INC.
2026HEFFERNAN GLENNHEFFERNAN B UNITEOG RESOURCES, INC.
2026HEFFRNAN GLENN & CYNTHIA ANNHEFFERNAN A UNITEOG RESOURCES, INC.
2026MEADE JAMES G & IRMA LHEFFERNAN B UNITEOG RESOURCES, INC.
2026FREEHOLD ROYALTIES (USA) INCHEFFERNAN B UNITEOG RESOURCES, INC.
2026THIELE OTTO M JRHEFFERNAN 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 UNITJun 2026EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITJun 2026EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITJun 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITJun 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITJun 2026EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITJun 2026EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITJun 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITJun 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMay 2026EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMay 2026EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMay 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMay 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMay 2026EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMay 2026EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMay 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITMay 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17001HEFFERNAN A UNITApr 2026EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITApr 2026EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITApr 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17001HEFFERNAN A UNITApr 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17113HEFFERNAN B UNITApr 2026EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITApr 2026EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITApr 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17113HEFFERNAN B UNITApr 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17001HEFFERNAN A UNITMar 2026EOG RESOURCES, INC.