Mastin South Unit 1

Gas Property in Hill County, TX

Property Summary

Key data points for Mastin South Unit 1

CountyHill County, TX
OperatorFORMENTERA OPERATIONS LLC
Production DatesSep 2006 - Nov 2025
Total Oil Production0 BBLs
Total Gas Production1,541,638 MCF
Recent Oil Production0 BBLs in Oct 2025
Recent Gas Production2,850 MCF in Oct 2025
Wells on Property1

Our Valuation Estimates for Mastin South Unit 1

ShaleAssessment

$8,904 *

MarketMultiple

$12,795 **

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

Based on a decimal interest

Mastin South Unit 1 Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Mastin South Unit 1
from Sep 2006 to Nov 2025

Wells on Mastin South Unit 1

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-217-30393MASTIN SOUTH UNIT 1FORMENTERA OPERATIONS LLCProducingHill County, TX32.204522-97.212399

Leases included in Mastin South Unit 1

Lease #Lease NameOperatorCountyMonthly Gas Prod.
09-224000MASTIN SOUTH UNIT 1FORMENTERA OPERATIONS LLCHill County, TX

Nearby Properties

These are the closest 20 properties to the Mastin South Unit 1 property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Altaras 1HJohnson County, TX0 BBLs2,341 MCFNov 2025
CastleHill County, TX0 BBLs6,924 MCFNov 2025
ClarkHill County, TX0 BBLs4,730 MCFNov 2025
EllisonHill County, TX0 BBLs14,402 MCFNov 2025
Gatlin South Unit 1Hill County, TX0 BBLs2,429 MCFNov 2025
Gatlin Unit 1Johnson County, TX0 BBLs2,845 MCFNov 2025
Gonzales Unit 1Hill County, TX0 BBLs2,633 MCFNov 2025
Harris Gene Ranch 1Hill County, TX0 BBLs2,740 MCFNov 2025
HooksHill County, TX0 BBLs12,112 MCFNov 2025
James Conn IVHill County, TX0 BBLs5,998 MCFNov 2025
Kirk Jay 1HHill County, TX3 BBLs3,554 MCFNov 2025
LeachHill County, TX0 BBLs3,129 MCFNov 2025
Mastin Central Unit 1HHill County, TX0 BBLs2,581 MCFNov 2025
PrimulaHill County, TX0 BBLs5,023 MCFNov 2025
Rogers BettyHill County, TX0 BBLs5,716 MCFNov 2025
Ross Unit 1HHill County, TX0 BBLs4,300 MCFNov 2025
SmitheyHill County, TX0 BBLs3,509 MCFNov 2025
Thompson Unit 1HJohnson County, TX0 BBLs2,720 MCFNov 2025
Wall 1HJohnson County, TX0 BBLs2,547 MCFNov 2025
Winterman Unit 1HHill County, TX0 BBLs2,459 MCFNov 2025

Owners of Mastin South Unit 1

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025JAVELIN ENERGY PARTNERS MANAGEMENT LLCMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
2025MASTIN JULIAN BRIMAGE JRMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
2025SIRAH LLCMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
2025MASTIN WILLIAM BATE II TUW JOANN H MASTINMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
2025CUDAHY MARY TRUSTMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
2025MOORE BARTLETT D IIIMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
2025MASTIN WILLIAM BATEMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
2025CHEVAILLIER LAURIN MASTINMASTIN SOUTH UNIT W#1-JAVELIN ENERGY PARTNERS MANAGE
Displaying 8 of 15 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Mastin South Unit 1

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
09-224000MASTIN SOUTH UNIT 1Mar 2025JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Feb 2025JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Jan 2025JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Dec 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Nov 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Oct 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Sep 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Aug 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Jul 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Jun 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1May 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Apr 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Mar 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Feb 2024JAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Jan 2024ENLINK GAS MARKETING, LPJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Dec 2023ENLINK GAS MARKETING, LPJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Nov 2023ENLINK GAS MARKETING, LPJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Oct 2023ENLINK GAS MARKETING, LPJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Sep 2023ENLINK GAS MARKETING, LPJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Aug 2023CRESTWOOD PANHANDLE PIPELINE LLCJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Jul 2023CRESTWOOD PANHANDLE PIPELINE LLCJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Jun 2023CRESTWOOD PANHANDLE PIPELINE LLCJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1May 2023CRESTWOOD PANHANDLE PIPELINE LLCJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Apr 2023CRESTWOOD PANHANDLE PIPELINE LLCJAVELIN ENERGY PARTNERS MANAGEMENT LLC
09-224000MASTIN SOUTH UNIT 1Mar 2023ENLINK GAS MARKETING, LPJAVELIN ENERGY PARTNERS MANAGEMENT LLC