ZR Unit

Oil & Gas Property in McMullen County, TX

Property Summary

Key data points for ZR Unit

CountyMcMullen County, TX
Production DatesJun 1997 - Jan 2026
Total Oil Production177,095 BBLs
Total Gas Production1,645,439 MCF
Recent Oil Production132 BBLs in Dec 2025
Recent Gas Production1,003 MCF in Dec 2025
Wells on Property9

Our Valuation Estimates for ZR Unit

ShaleAssessment

$10,012 *

MarketMultiple

$16,088 **

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

Based on a decimal interest

ZR Unit Production Graph

Aggregated production of all wells and leases associated with this property
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for ZR Unit
from Jun 1997 to Jan 2026

Wells on ZR Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-311-33417ZR UNIT A 1Varas Energy Operating Company, LLCProducingMcMullen County, TX28.390003-98.451621
42-311-33462ZR UNIT C 5Varas Energy Operating Company, LLCProducingMcMullen County, TX28.396148-98.447680
42-311-33463ZR UNIT A 4Varas Energy Operating Company, LLCProducingMcMullen County, TX28.393397-98.448149
42-311-33464ZR UNIT B 3Varas Energy Operating Company, LLCProducingMcMullen County, TX28.389437-98.448054
42-311-33465ZR UNIT C 6Varas Energy Operating Company, LLCTemp AbandonedMcMullen County, TX28.396161-98.444431
42-311-33466ZR UNIT B 2Varas Energy Operating Company, LLCProducingMcMullen County, TX28.389423-98.444894
42-311-33475ZR UNIT D 7Varas Energy Operating Company, LLCProducingMcMullen County, TX28.398917-98.442439
42-311-33477ZR UNIT D 8Varas Energy Operating Company, LLCProducingMcMullen County, TX28.400637-98.447638
42-311-33486ZR UNIT 9SWIFT ENERGY COMPANYDry HoleMcMullen County, TX28.393379-98.451437

Leases included in ZR Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-14217ZR UNIT "D"Varas Energy Operating Company, LLCMcMullen County, TX
01-14241ZR UNIT "B"Varas Energy Operating Company, LLCMcMullen County, TX
01-14280ZR UNIT "C"Varas Energy Operating Company, LLCMcMullen County, TX
01-163898ZR UNIT A 1Varas Energy Operating Company, LLCMcMullen County, TX
01-165368ZR UNIT B 2SWIFT ENERGY COMPANYMcMullen County, TX
01-165572ZR UNIT B 3Varas Energy Operating Company, LLCMcMullen County, TX
01-166046ZR UNIT A 4Varas Energy Operating Company, LLCMcMullen County, TX
01-166052ZR UNIT C 6Varas Energy Operating Company, LLCMcMullen County, TX
01-166053ZR UNIT C 5SWIFT ENERGY COMPANYMcMullen County, TX
01-166055ZR UNIT D 7SWIFT ENERGY COMPANYMcMullen County, TX
01-166645ZR UNIT D 8SWIFT ENERGY COMPANYMcMullen County, TX

Operators Associated With ZR Unit

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
BrackenMcMullen County, TX26,613 BBLs466,356 MCFJan 2026
CCW I 9HMcMullen County, TX2,169 BBLs553,740 MCFDec 2025
CCW K 11HMcMullen County, TX209 BBLs7,717 MCFDec 2025
CCW U 21HMcMullen County, TX454 BBLs64,033 MCFDec 2025
CCW V 22HMcMullen County, TX1,331 BBLs492,891 MCFDec 2025
CCW Y 26HMcMullen County, TX131 BBLs75,243 MCFDec 2025
Harrod-McClaugherty UnitMcMullen County, TX43 BBLs1,996 MCFJan 2026
Lee Wheeler -CMcMullen County, TX502 BBLs3 MCFDec 2025
Mobil WheelerMcMullen County, TX57 BBLs21 MCFDec 2025
NBRP EfMcMullen County, TX269 BBLs1,523 MCFJan 2026
SBR 6McMullen County, TX32 BBLs2,649 MCFJan 2026
SBR AMcMullen County, TX2 BBLs892 MCFJan 2026
SWR BMcMullen County, TX91 BBLs2,851 MCFJan 2026
SWR DMcMullen County, TX20 BBLs292 MCFJan 2026
WheelerMcMullen County, TX741 BBLs31,501 MCFJan 2026
WR A 1McMullen County, TX60 BBLs538 MCFJan 2026
WR K 1McMullen County, TX32 BBLs765 MCFJan 2026
WR L UnitMcMullen County, TX4 BBLs977 MCFJan 2026
ZavischMcMullen County, TX241 BBLs740 MCFDec 2025
Zavisch North UnitMcMullen County, TX162 BBLs4,430 MCFJan 2026

Owners of ZR Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025VARAS ENERGY OPERATING COMPANYZ R UNIT -D-VARAS ENERGY O
2025VARAS ENERGY OPERATING COMPANYZ R UNIT C W#05VARAS ENERGY O
2025EL DORADO GAS & OIL INCZ R UNIT -B-EL DORADO GAS
2025VARAS ENERGY OPERATING COMPANYZR UNIT A W#04VARAS ENERGY O
2025EL DORADO GAS & OIL INCZR UNIT B W#03EL DORADO GAS
2025EL DORADO GAS & OIL INCZR UNIT "A" W#01EL DORADO GAS
2025ZAVISCH HARRY G III FAMILY LTDZ R UNIT -D-VARAS ENERGY O
2025ZAVISCH JANE FREEMAN MARITALZ R UNIT -D-VARAS ENERGY O
Displaying 8 of 58 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on ZR Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-14217ZR UNIT "D"Dec 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-14241ZR UNIT "B"Dec 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-14280ZR UNIT "C"Dec 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-163898ZR UNIT A 1Dec 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-14217ZR UNIT "D"Nov 2025VARAS ENERGY OPERATING COMPANY, LLC
01-14241ZR UNIT "B"Nov 2025VARAS ENERGY OPERATING COMPANY, LLC
01-165572ZR UNIT B 3Nov 2025VARAS ENERGY OPERATING COMPANY, LLC
01-166046ZR UNIT A 4Nov 2025VARAS ENERGY OPERATING COMPANY, LLC
01-166046ZR UNIT A 4Oct 2025VARAS ENERGY OPERATING COMPANY, LLC
01-14217ZR UNIT "D"Oct 2025VARAS ENERGY OPERATING COMPANY, LLC
01-14217ZR UNIT "D"Oct 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-14241ZR UNIT "B"Oct 2025VARAS ENERGY OPERATING COMPANY, LLC
01-14241ZR UNIT "B"Oct 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-163898ZR UNIT A 1Oct 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-163898ZR UNIT A 1Oct 2025VARAS ENERGY OPERATING COMPANY, LLC
01-165572ZR UNIT B 3Oct 2025VARAS ENERGY OPERATING COMPANY, LLC
01-14217ZR UNIT "D"Sep 2025VARAS ENERGY OPERATING COMPANY, LLC
01-14217ZR UNIT "D"Sep 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-14241ZR UNIT "B"Sep 2025VARAS ENERGY OPERATING COMPANY, LLC
01-14241ZR UNIT "B"Sep 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-163898ZR UNIT A 1Sep 2025PLAINS MARKETING, L.P.VARAS ENERGY OPERATING COMPANY, LLC
01-163898ZR UNIT A 1Sep 2025VARAS ENERGY OPERATING COMPANY, LLC
01-165572ZR UNIT B 3Sep 2025VARAS ENERGY OPERATING COMPANY, LLC
01-166046ZR UNIT A 4Sep 2025VARAS ENERGY OPERATING COMPANY, LLC
01-166046ZR UNIT A 4Aug 2025VARAS ENERGY OPERATING COMPANY, LLC