Calvert

Oil & Gas Property in Frio County, TX

Property Summary

Key data points for Calvert

CountyFrio County, TX
Production DatesJan 1993 - Apr 2026
Total Oil Production99,467 BBLs
Total Gas Production3,304,283 MCF
Recent Oil Production258 BBLs in Mar 2026
Recent Gas Production5,351 MCF in Mar 2026
Wells on Property10

Our Valuation Estimates for Calvert

ShaleAssessment

$20,505 *

MarketMultiple

$48,127 **

* 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 Apr 2026

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, TX3,881 BBLs2,127 MCFApr 2026
Boll-Calvert Unit FroFrio County, TX1,105 BBLs326 MCFApr 2026
BurlesonFrio County, TX0 BBLs0 MCFDec 2020
Calvert Ranch FroFrio County, TX4,750 BBLs4,310 MCFApr 2026
CarnesFrio County, TX74 BBLs5,213 MCFApr 2026
Guy Bob FroFrio County, TX6,827 BBLs2,951 MCFApr 2026
Guy Bob Unit FroFrio County, TX1,931 BBLs656 MCFApr 2026
HarlanFrio County, TX17,696 BBLs53,959 MCFApr 2026
HausserFrio County, TX19,171 BBLs14,724 MCFApr 2026
KingFrio County, TX66 BBLs0 MCFApr 2026
LothringerFrio County, TX1,926 BBLs12,775 MCFApr 2026
McGintyFrio County, TX569 BBLs1,448 MCFApr 2026
McWilliamsFrio County, TX710 BBLs9,759 MCFApr 2026
McWilliams-Sot-Sartain EfFrio County, TX522 BBLs3,294 MCFApr 2026
Monte LenosFrio County, TX5,324 BBLs4,108 MCFApr 2026
OppenheimerFrio County, TX89 BBLs1,170 MCFApr 2026
Panther HollowFrio County, TX234 BBLs868 MCFApr 2026
T Cattle CompanyFrio County, TX0 BBLs0 MCFJun 2021
Valyn ClaraFrio County, TX2,753 BBLs2,757 MCFApr 2026
WhitwellFrio County, TX12,545 BBLs110,120 MCFApr 2026

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
01-16076CALVERTMar 2026HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-16076CALVERTFeb 2026BLACKBRUSH O & G, LLC
01-16076CALVERTFeb 2026HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-071635CALVERT J. H. 1Jan 2026TRAILBLAZER ENERGY RESOURCES, LLC
01-16076CALVERTJan 2026BLACKBRUSH O & G, LLC
01-16076CALVERTJan 2026HARVEST MARKETING & TRADING, LLCBLACKBRUSH O & G, LLC
01-16076CALVERTDec 2025BLACKBRUSH O & G, LLC
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
01-071635CALVERT J. H. 1Aug 2025TRAILBLAZER ENERGY RESOURCES, 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