Calvert

Oil & Gas Property in Frio County, TX

Property Summary

Key data points for Calvert

CountyFrio County, TX
Production DatesJan 1993 - Nov 2025
Total Oil Production98,189 BBLs
Total Gas Production3,279,075 MCF
Recent Oil Production194 BBLs in Oct 2025
Recent Gas Production3,599 MCF in Oct 2025
Wells on Property10

Our Valuation Estimates for Calvert

ShaleAssessment

$21,936 *

MarketMultiple

$31,625 **

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

Based on a decimal interest

Calvert Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Calvert
from Jan 1993 to Nov 2025

Wells on Calvert

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-163-30137CALVERT, J. H. 1Plugged Oil/Gas WellFrio County, TX28.790140-99.304148
42-163-30595CALVERT, J.H. -A- 1Plugged Oil WellFrio County, TX28.781954-99.310242
42-163-30728CALVERT J. H. 1Trailblazer Energy Resources, LLCProducingFrio County, TX28.808869-99.295502
42-163-30961CALVERT, J.H. -A- 2Plugged Oil WellFrio County, TX28.785815-99.314374
42-163-31476CALVERT, J. H. 2GOLDKING PROD. CO.Plugged Oil WellFrio County, TX28.802799-99.298257
42-163-33337CALVERT J. H. 2Trailblazer Energy Resources, LLCTemp AbandonedFrio County, TX28.811624-99.290829
42-163-33474CALVERT 1HBLACKBRUSH O & G, LLCProducingFrio County, TX28.785015-99.289219
42-163-33513CALVERT 2HBLACKBRUSH O & G, LLCProducingFrio County, TX28.801197-99.284821
42-163-33566CALVERT 3HBLACKBRUSH O & G, LLCProducingFrio County, TX28.780667-99.309257
42-163-33644CALVERT 4HBLACKBRUSH O & G, LLCHorizontal Well Surface LocatioFrio County, TX28.785511-99.297229

Leases included in Calvert

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-04676CALVERT, J. H.GOLDKING PROD. CO.Frio County, TX
01-04962CALVERT, J.H. -A-GOLDKING PROD. CO.Frio County, TX
01-05157CALVERT, J.H.TESORO PETROLEUM CORPORATIONFrio County, TX
01-05520CALVERT, J.H.GOLDKING PROD. CO.Frio County, TX
01-071635CALVERT J. H. 1Trailblazer Energy Resources, LLCFrio County, TX
01-16076CALVERTBLACKBRUSH O & G, LLCFrio County, TX
01-226045CALVERT J. H. 2Trailblazer Energy Resources, LLCFrio County, TX

Nearby Properties

These are the closest 20 properties to the Calvert property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Boll FroFrio County, TX5,135 BBLs3,058 MCFNov 2025
Boll-Calvert Unit FroFrio County, TX1,012 BBLs870 MCFNov 2025
BurlesonFrio County, TX0 BBLs0 MCFDec 2020
Calvert Ranch FroFrio County, TX5,087 BBLs3,538 MCFNov 2025
CarnesFrio County, TX27 BBLs6,638 MCFNov 2025
Guy Bob FroFrio County, TX5,746 BBLs1,754 MCFNov 2025
Guy Bob Unit FroFrio County, TX2,116 BBLs672 MCFNov 2025
HarlanFrio County, TX20,525 BBLs19,700 MCFOct 2025
HausserFrio County, TX20,525 BBLs14,415 MCFNov 2025
KingFrio County, TX0 BBLs0 MCFMar 2025
LothringerFrio County, TX2,063 BBLs14,455 MCFOct 2025
McGintyFrio County, TX606 BBLs1,391 MCFOct 2025
McWilliamsFrio County, TX971 BBLs11,387 MCFOct 2025
McWilliams-Sot-Sartain EfFrio County, TX469 BBLs3,749 MCFOct 2025
Monte LenosFrio County, TX5,984 BBLs3,626 MCFNov 2025
Oneill-Biel UnitFrio County, TX153 BBLs1,463 MCFOct 2025
Panther HollowFrio County, TX369 BBLs840 MCFNov 2025
T Cattle CompanyFrio County, TX0 BBLs0 MCFJun 2021
Valyn ClaraFrio County, TX3,225 BBLs2,757 MCFNov 2025
WhitwellFrio County, TX11,870 BBLs91,858 MCFNov 2025

Owners of Calvert

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025TRAILBLAZER ENERGY RESOURCESCALVERT, J. H. W#1TRAILBLAZER ENERGY R
2025BLACKBRUSH O & G LLCCALVERT W#1H-3HBLACKBRUSH O & G LLC
2025SIBLEY D DASHIELLCALVERT W#1H-3HBLACKBRUSH O & G LLC
2025SIBLEY JOY CCALVERT W#1H-3HBLACKBRUSH O & G LLC
2025SIBLEY SALLY ANNETTECALVERT W#1H-3HBLACKBRUSH O & G LLC
2025CALVERT FAMILY MINERAL TRUSTCALVERT W#1H-3HBLACKBRUSH O & G LLC
2025LEONA PARTNERS LTDCALVERT W#1H-3HBLACKBRUSH O & G LLC
2025PHIPPS MINERAL HOLDINGS LTDCALVERT, J. H. W#1TRAILBLAZER ENERGY R
Displaying 8 of 27 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Calvert

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-16076CALVERTDec 2025HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-16076CALVERTNov 2025BLACKBRUSH O & G, LLC
01-16076CALVERTNov 2025HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-16076CALVERTOct 2025BLACKBRUSH O & G, LLC
01-16076CALVERTOct 2025HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-16076CALVERTSep 2025BLACKBRUSH O & G, LLC
01-16076CALVERTSep 2025HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-16076CALVERTAug 2025BLACKBRUSH O & G, LLC
01-16076CALVERTAug 2025HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-071635CALVERT J. H. 1Jul 2025TRAILBLAZER ENERGY RESOURCES, LLC
01-071635CALVERT J. H. 1Jun 2025TRAILBLAZER ENERGY RESOURCES, LLC
01-16076CALVERTJun 2025BLACKBRUSH O & G, LLC
01-071635CALVERT J. H. 1May 2025TRAILBLAZER ENERGY RESOURCES, LLC
01-16076CALVERTMay 2025BLACKBRUSH O & G, LLC
01-16076CALVERTMay 2025HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-071635CALVERT J. H. 1Apr 2025TRAILBLAZER ENERGY RESOURCES, LLC
01-16076CALVERTApr 2025BLACKBRUSH O & G, LLC
01-071635CALVERT J. H. 1Mar 2025SHELL TRADING (US) COMPANYTRAILBLAZER ENERGY RESOURCES, LLC
01-071635CALVERT J. H. 1Mar 2025TRAILBLAZER ENERGY RESOURCES, LLC
01-16076CALVERTMar 2025BLACKBRUSH O & G, LLC
01-16076CALVERTMar 2025HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-226045CALVERT J. H. 2Mar 2025SHELL TRADING (US) COMPANYTRAILBLAZER ENERGY RESOURCES, LLC
01-071635CALVERT J. H. 1Feb 2025TRAILBLAZER ENERGY RESOURCES, LLC
01-16076CALVERTFeb 2025BLACKBRUSH O & G, LLC
01-071635CALVERT J. H. 1Jan 2025TRAILBLAZER ENERGY RESOURCES, LLC