Seiffert Unit

Oil & Gas Property in Atascosa County, TX

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

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Property Summary

Key data points for Seiffert Unit

CountyAtascosa County, TX
OperatorEOG RESOURCES INC
Production DatesJul 2014 - Jun 2026
Total Oil Production203,046 BBLs
Total Gas Production103,119 MCF
Recent Oil Production430 BBLs in May 2026
Recent Gas Production144 MCF in May 2026
Wells on Property1

Our Valuation Estimates for Seiffert Unit

ShaleAssessment™

$24,960 *

MarketMultiple™

$22,677 **

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

Based on a decimal interest

Seiffert Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Seiffert Unit
from Jul 2014 to Jun 2026

Wells on Seiffert Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34994SEIFFERT UNIT 1HEOG RESOURCES, INC.ProducingAtascosa County, TX28.800343-98.477761

Leases included in Seiffert Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-17946SEIFFERT UNITEOG RESOURCES, INC.Atascosa County, TX

Nearby Properties

These are the closest 20 properties to the Seiffert Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Ahrens UnitAtascosa County, TX724 BBLs859 MCFJun 2026
AppaloosaAtascosa County, TX11,926 BBLs14,622 MCFJun 2026
Beltran UnitAtascosa County, TX555 BBLs1,426 MCFJun 2026
Ferdinand UnitAtascosa County, TX467 BBLs93 MCFJun 2026
Friesenhahn UnitAtascosa County, TX651 BBLs334 MCFJun 2026
HeffernanAtascosa County, TX2,774 BBLs1,842 MCFJun 2026
Hobart UnitAtascosa County, TX407 BBLs301 MCFJun 2026
Impala UnitAtascosa County, TX328 BBLs170 MCFJun 2026
Lopez UnitAtascosa County, TX479 BBLs223 MCFJun 2026
Nilgai UnitAtascosa County, TX368 BBLs1,051 MCFJun 2026
Pacheco UnitAtascosa County, TX748 BBLs777 MCFJun 2026
Pipes UnitAtascosa County, TX557 BBLs441 MCFJun 2026
Prassel UnitAtascosa County, TX472 BBLs1,809 MCFJun 2026
Rosemarie UnitAtascosa County, TX382 BBLs255 MCFJun 2026
Samuel UnitAtascosa County, TX313 BBLs345 MCFJun 2026
ScheskeAtascosa County, TX563 BBLs1,707 MCFJun 2026
Sibley UnitAtascosa County, TX881 BBLs397 MCFJun 2026
Stockhorst UnitAtascosa County, TX403 BBLs652 MCFJun 2026
Tiro UnitAtascosa County, TX474 BBLs613 MCFJun 2026
Worden UnitAtascosa County, TX713 BBLs775 MCFJun 2026

Companies in the Area

These are the closest 20 companies operating near the Seiffert Unit property.

Company Name
Atascosa Exploration, LLC
Atlas Eagle Ford Oper Co, LLC
Atlas Operating LLC
Bay Rock Operating Company
Brymer Contracting Incorporated
Carrizo (Eagle Ford) LLC
Crescent Energy Operating, LLC
Dewbre Petroleum Corporation
EOG Resources Inc
Exxon Corporation
Finger Oil & Gas, Inc.
Guinn Operating Company, LLC
Henry Petroleum Corp.
Mazco Energy LLC
Murphy Expl. & Prod. Co. - USA
Pearl, Bill H. Productions, Inc.
Rosewood Resources Inc
Sea Eagle Ford, LLC
Texas American Resources Company
Trailblazer Energy Resources, LLC

Frac'ing activity on Seiffert Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34994SEIFFERT UNIT # 1H

Owners of Seiffert Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2026EOG RESOURCES INCSEIFFERT UNIT 1HEOG RESOURCES INC
2026IRWIN 1996 TRUSTSEIFFERT UNIT 1HEOG RESOURCES INC
2026CALAME THOMAS ESEIFFERT UNIT 1HEOG RESOURCES INC
2026ARMENTROUT MARY MICHELLESEIFFERT UNIT 1HEOG RESOURCES INC
2026CENTENNIAL MINERALSEIFFERT UNIT 1HEOG RESOURCES INC
2026FOSTER ELIZABETH ANN TRUSTSEIFFERT UNIT 1HEOG RESOURCES INC
2026IRWIN LELAND MARSHALLSEIFFERT UNIT 1HEOG RESOURCES INC
2026ROYER SHARON IRWINSEIFFERT UNIT 1HEOG RESOURCES INC
Displaying 8 of 111 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Seiffert Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-17946SEIFFERT UNITJun 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITJun 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITMay 2026EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITMay 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITApr 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITMar 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITFeb 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITJan 2026EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITNov 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITOct 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITOct 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITOct 2025EOG RESOURCES, INC.
01-17946SEIFFERT UNITOct 2025EOG RESOURCES, INC.
01-17946SEIFFERT UNITSep 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITSep 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITSep 2025EOG RESOURCES, INC.
01-17946SEIFFERT UNITSep 2025EOG RESOURCES, INC.
01-17946SEIFFERT UNITAug 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITAug 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITJul 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITJul 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITJun 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITJun 2025EOG RESOURCES, INC.EOG RESOURCES, INC.
01-17946SEIFFERT UNITMay 2025EOG RESOURCES MARKETING LLCEOG RESOURCES, INC.
01-17946SEIFFERT UNITMay 2025EOG RESOURCES, INC.EOG RESOURCES, INC.