Merganser Unit

Oil & Gas Property in Atascosa County, TX

Property Summary

Key data points for Merganser Unit

CountyAtascosa County, TX
OperatorPILLAR EFS, LLC
Production DatesAug 2014 - Aug 2025
Total Oil Production125,715 BBLs
Total Gas Production130,800 MCF
Recent Oil Production301 BBLs in Jul 2025
Recent Gas Production103 MCF in Jul 2025
Wells on Property1

Our Valuation Estimates for Merganser Unit

ShaleAssessment

$16,952 *

MarketMultiple

$36,089 **

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

Based on a decimal interest

Merganser Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Merganser Unit
from Aug 2014 to Aug 2025

Wells on Merganser Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34974MERGANSER UNIT 1HPILLAR EFS, LLCProducingAtascosa County, TX28.886665-98.369838

Leases included in Merganser Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-17984MERGANSER UNITPILLAR EFS, LLCAtascosa County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Bighorn UnitAtascosa County, TX268 BBLs1,321 MCFAug 2025
Butts & SawyerAtascosa County, TX246 BBLs197 MCFJul 2025
DinsmoorAtascosa County, TX117 BBLs0 MCFAug 2025
Drake UnitAtascosa County, TX606 BBLs712 MCFAug 2025
Elder UnitAtascosa County, TX761 BBLs563 MCFAug 2025
Excalibur/FalconAtascosa County, TX0 BBLs0 MCFMay 2013
Ferry Sarah EAtascosa County, TX91 BBLs0 MCFAug 2025
HindesAtascosa County, TX0 BBLs0 MCFDec 1998
Kansu RedAtascosa County, TX409 BBLs131 MCFAug 2025
KorusAtascosa County, TX0 BBLs0 MCFFeb 2023
OcelotAtascosa County, TX4,325 BBLs1,549 MCFAug 2025
Ocelot AllocationAtascosa County, TX4,646 BBLs1,778 MCFAug 2025
Point Break UnitAtascosa County, TX3,520 BBLs1,668 MCFAug 2025
Raft A UnitAtascosa County, TX1,642 BBLs193 MCFAug 2025
Raft B UnitAtascosa County, TX1,724 BBLs85 MCFAug 2025
Road House AllocationAtascosa County, TX4,467 BBLs2,761 MCFAug 2025
Shoveler UnitAtascosa County, TX378 BBLs103 MCFAug 2025
Teal UnitAtascosa County, TX305 BBLs373 MCFAug 2025
TroellAtascosa County, TX445 BBLs0 MCFJul 2025
TuleAtascosa County, TX463 BBLs118 MCFAug 2025

Frac'ing activity on Merganser Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34974MERGANSER UNIT # 1H

Owners of Merganser Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025PILLAR EFS LLCMERGANZER UNIT IHPILLAR EFS LLC
2025REED SARAH M & ET UX STEWARD LINDA L TRUSTEESMERGANZER UNIT IHPILLAR EFS LLC
2025CHARLESS FAMILY REV TRUSTMERGANZER UNIT IHPILLAR EFS LLC
2025MOTAL CHARLY ANN THORPMERGANZER UNIT IHPILLAR EFS LLC
2025HENNESSEY 2011 FAMILY TRUST AGREEMENT DTD 7-19-2011MERGANZER UNIT IHPILLAR EFS LLC
2025JOHNSTON CAROLY HENNESSEYMERGANZER UNIT IHPILLAR EFS LLC
2025WINTER MARTHA WISEMAN TRUST FBO WINIFRED WINTER COCKEMERGANZER UNIT IHPILLAR EFS LLC
2025THOMAS REAGAN HENNESSEYMERGANZER UNIT IHPILLAR EFS LLC
Displaying 8 of 23 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Merganser Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-17984MERGANSER UNITApr 2025EXXONMOBIL OIL CORPORATIONPILLAR EFS, LLC
01-17984MERGANSER UNITMar 2025EXXONMOBIL OIL CORPORATIONPILLAR EFS, LLC
01-17984MERGANSER UNITFeb 2025EXXONMOBIL OIL CORPORATIONPILLAR EFS, LLC
01-17984MERGANSER UNITJan 2025EXXONMOBIL OIL CORPORATIONPILLAR EFS, LLC
01-17984MERGANSER UNITDec 2024EXXONMOBIL OIL CORPORATIONPILLAR EFS, LLC
01-17984MERGANSER UNITOct 2024EXXONMOBIL OIL CORPORATIONPILLAR EFS, LLC
01-17984MERGANSER UNITSep 2024HARVEST MARKETING & TRADING, LLCPILLAR EFS, LLC
01-17984MERGANSER UNITAug 2024HARVEST MARKETING & TRADING, LLCPILLAR EFS, LLC
01-17984MERGANSER UNITAug 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITJul 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITJun 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITMay 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITApr 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITMar 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITFeb 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITJan 2024SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITDec 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITNov 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITOct 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITSep 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITAug 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITJul 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITJun 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITMay 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC
01-17984MERGANSER UNITApr 2023SHELL TRADING (US) COMPANYPILLAR EFS, LLC