Rio San Marcos 36-45 Unit

Oil & Gas Property in Midland County, TX

  2. Texas
  3. Midland County, TX
  4. Oil & Gas Properties in Midland County, TX
  5. Rio San Marcos 36-45 Unit Oil & Gas Property

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Property Summary

Key data points for Rio San Marcos 36-45 Unit

CountyMidland County, TX
Production DatesSep 2018 - Apr 2026
Total Oil Production5,772,874 BBLs
Total Gas Production25,321,294 MCF
Recent Oil Production60,192 BBLs in Mar 2026
Recent Gas Production371,111 MCF in Mar 2026
Wells on Property29

Our Valuation Estimates for Rio San Marcos 36-45 Unit

ShaleAssessment™

Not Available

MarketMultiple™

$11,434,576 **

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

Based on a decimal interest

Rio San Marcos 36-45 Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Rio San Marcos 36-45 Unit
from Sep 2018 to Apr 2026

Wells on Rio San Marcos 36-45 Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-329-41824RIO SAN MARCOS 36-45 UNIT 1 212DIAMONDBACK E&P LLCShut InMidland County, TX31.792439-102.002929
42-329-41839RIO SAN MARCOS 36-45 UNIT 1 211ENDEAVOR ENERGY RESOURCES L.P.Horizontal Well Surface LocatioMidland County, TX31.792586-102.003263
42-329-41840RIO SAN MARCOS 36-45 UNIT 1 221DIAMONDBACK E&P LLCProducingMidland County, TX31.792421-102.003007
42-329-41841RIO SAN MARCOS 36-45 UNIT 1 222DIAMONDBACK E&P LLCShut InMidland County, TX31.792404-102.003085
42-329-41842RIO SAN MARCOS 36-45 UNIT 1 223DIAMONDBACK E&P LLCShut InMidland County, TX31.792386-102.003162
42-329-41843RIO SAN MARCOS 36-45 UNIT 1 224DIAMONDBACK E&P LLCShut InMidland County, TX31.792369-102.003240
42-329-41933RIO SAN MARCOS 36-45 UNIT 1 231DIAMONDBACK E&P LLCProducingMidland County, TX31.791993-102.005349
42-329-41934RIO SAN MARCOS 36-45 UNIT 1 232DIAMONDBACK E&P LLCShut InMidland County, TX31.791976-102.005427
42-329-41952RIO SAN MARCOS 36-45 UNIT 1 241DIAMONDBACK E&P LLCProducingMidland County, TX31.792043-102.005675
42-329-41958RIO SAN MARCOS 36-45 UNIT 1 242ENDEAVOR ENERGY RESOURCES L.P.Horizontal Well Surface LocatioMidland County, TX31.791895-102.005341
42-329-41960RIO SAN MARCOS 36-45 UNIT 1 233DIAMONDBACK E&P LLCShut InMidland County, TX31.791958-102.005505
42-329-41977RIO SAN MARCOS 36-45 UNIT 1 211RDIAMONDBACK E&P LLCProducingMidland County, TX31.792677-102.003305
42-329-42323RIO SAN MARCOS 36-45 UNIT 1 242RDIAMONDBACK E&P LLCShut InMidland County, TX31.791922-102.005349
42-329-43461RIO SAN MARCOS 36-45 UNIT 1A 125DIAMONDBACK E&P LLCProducingMidland County, TX31.790016-102.003307
42-329-43462RIO SAN MARCOS 36-45 UNIT 1A 134DIAMONDBACK E&P LLCProducingMidland County, TX31.789997-102.003384
42-329-43463RIO SAN MARCOS 36-45 UNIT 1A 135DIAMONDBACK E&P LLCShut InMidland County, TX31.789979-102.003462
42-329-43464RIO SAN MARCOS 36-45 UNIT 1A 143DIAMONDBACK E&P LLCProducingMidland County, TX31.789962-102.003540
42-329-43465RIO SAN MARCOS 36-45 UNIT 1A 144DIAMONDBACK E&P LLCShut InMidland County, TX31.789950-102.003626
42-329-46844RIO SAN MARCOS 36-45 UNIT 2A 172DIAMONDBACK E&P LLCProducingMidland County, TX31.790520-102.013515
42-329-46845RIO SAN MARCOS 36-45 UNIT 2A 273DIAMONDBACK E&P LLCProducingMidland County, TX31.790485-102.013670
42-329-46846RIO SAN MARCOS 36-45 UNIT 2A 274DIAMONDBACK E&P LLCProducingMidland County, TX31.790502-102.013592
42-329-46847RIO SAN MARCOS 36-45 UNIT 2A 181DIAMONDBACK E&P LLCProducingMidland County, TX31.790467-102.013748
42-329-46848RIO SAN MARCOS 36-45 UNIT 2A 182DIAMONDBACK E&P LLCProducingMidland County, TX31.790450-102.013826
42-329-46849RIO SAN MARCOS 36-45 UNIT 2B 283DIAMONDBACK E&P LLCProducingMidland County, TX31.790432-102.013904
42-329-46865RIO SAN MARCOS 36-45 UNIT 2A 152DIAMONDBACK E&P LLCProducingMidland County, TX31.791525-102.009032
42-329-46866RIO SAN MARCOS 36-45 UNIT 2A 251DIAMONDBACK E&P LLCProducingMidland County, TX31.791543-102.008954
42-329-46867RIO SAN MARCOS 36-45 UNIT 2A 161DIAMONDBACK E&P LLCProducingMidland County, TX31.791490-102.009188
42-329-46868RIO SAN MARCOS 36-45 UNIT 2A 262DIAMONDBACK E&P LLCProducingMidland County, TX31.791508-102.009110
42-329-46869RIO SAN MARCOS 36-45 UNIT 2B 263DIAMONDBACK E&P LLCProducingMidland County, TX31.791473-102.009265

Leases included in Rio San Marcos 36-45 Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
08-48945RIO SAN MARCOS 36-45 UNIT 1DIAMONDBACK E&P LLCMidland County, TX
08-53693RIO SAN MARCOS 36-45 UNIT 1ADIAMONDBACK E&P LLCMidland County, TX
08-62127RIO SAN MARCOS 36-45 UNIT 2ADIAMONDBACK E&P LLCMidland County, TX
08-62143RIO SAN MARCOS 36-45 UNIT 2BDIAMONDBACK E&P LLCMidland County, TX

Operators Associated With Rio San Marcos 36-45 Unit

Nearby Properties

These are the closest 20 properties to the Rio San Marcos 36-45 Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Armstrong 36Midland County, TX236 BBLs1,208 MCFApr 2026
BradfordMidland County, TX56,167 BBLs76,941 MCFMay 2026
BRD Camden 23/12Midland County, TX14,537 BBLs222,777 MCFApr 2026
CMC CandlestickMidland County, TX18,138 BBLs40,119 MCFApr 2026
CMC Fenway 22/34Midland County, TX16,789 BBLs168,775 MCFApr 2026
HenceMidland County, TX2,765 BBLs5,474 MCFApr 2026
MidlandMidland County, TX13,913 BBLs100,970 MCFApr 2026
Perro RojoMidland County, TX1,039 BBLs7,283 MCFApr 2026
Rio Brazos 26-15 UnitMidland County, TX72,808 BBLs671,907 MCFApr 2026
Rio Comal 26-31Midland County, TX5,574 BBLs21,602 MCFApr 2026
Rio Concho 3Midland County, TX5,115 BBLs70,204 MCFApr 2026
Rio Frio 25-32Midland County, TX0 BBLs0 MCFMar 2022
Rio Grande 25-20SL UnitMidland County, TX12,773 BBLs175,128 MCFApr 2026
Rio Nueces 37-44 UnitMidland County, TX20,884 BBLs172,882 MCFApr 2026
Rio Pedernales 23-34 UnitMidland County, TX4,473 BBLs44,563 MCFApr 2026
Rio Sabine 39-42 Unit 1Midland County, TX35,995 BBLs378,722 MCFApr 2026
Rio San Jacinto 38-43Midland County, TX101,286 BBLs879,929 MCFApr 2026
TXL 3Midland County, TX27 BBLs292 MCFApr 2026
TXLVMidland County, TX1,043 BBLs1,604 MCFApr 2026
WindhamMidland County, TX385 BBLs858 MCFApr 2026

Companies in the Area

These are the closest 20 companies operating near the Rio San Marcos 36-45 Unit property.

Company Name
Apache Corporation
Breitburn Operating LP
Chevron USA Inc
CMS Oil And Gas Company
Crownquest Operating, LLC
Diamondback E&P LLC
Discovery Operating Inc
Endeavor Energy Resources, LP
Langford & Brigham Operating LLC
LCX Energy, LLC
Midland Energy, Inc.
O'Neill Properties, LTD.
Parker & Parsley Development Co.
Parker & Parsley Development L.P
Perenco LLC
Pioneer Natural Res. USA, Inc.
Stephens, Autry C.
Tamarack Petroleum Company, Inc.
Texaco E & P Inc.
XTO Energy Inc.

Frac'ing activity on Rio San Marcos 36-45 Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-329-41824RIO SAN MARCOS 36-4 212
42-329-41840RIO SAN MARCOS 36-4 221
42-329-41841RIO SAN MARCOS 36-4 222
42-329-41842RIO SAN MARCOS 36-4 223
42-329-41843RIO SAN MARCOS 36-4 224
42-329-41933RIO SAN MARCOS 36-4 231
42-329-41934RIO SAN MARCOS 36-4 232
42-329-41952RIO SAN MARCOS 36-4 241
42-329-41960RIO SAN MARCOS 36-4 233
42-329-41977RIO SAN MARCOS 36-4 211R
42-329-42323RIO SAN MARCOS 36-4 242R
42-329-43461Rio San Marcos 36-45 Unit 1A 125
42-329-43462Rio San Marcos 36-45 Unit 1A 134
42-329-43463Rio San Marcos 36-45 Unit 1A 135
42-329-43464Rio San Marcos 36-45 Unit 1A 143
42-329-43465Rio San Marcos 36-45 Unit 1A 144
42-329-46844RIO SAN MARCOS 36-45 UNIT 2A 172
42-329-46845RIO SAN MARCOS 36 45 UNIT 2A 273 MI 273
42-329-46846RIO SAN MARCOS 36 45 UNIT 2A 274
42-329-46847RIO SAN MARCOS 36 45 UNIT 2A 181
42-329-46848RIO SAN MARCOS 36 45 UNIT 2A 182
42-329-46849RIO SAN MARCOS 36 45 UNIT 2B 283
42-329-46865RIO SAN MARCOS 36 45 UNIT 2A 152 MI 152
42-329-46866RIO SAN MARCOS 36 45 UNIT 2A 251
42-329-46867RIO SAN MARCOS 36 45 UNIT 2A 161 MI 161
42-329-46869RIO SAN MARCOS 36 45 UNIT 2B 263 263

Owners of Rio San Marcos 36-45 Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025DIAMONDBACK E&P LLC WIRIO SAN MARCOS 36-45 UNIT 1DIAMONDBACK E&P LLC
2025ENDEAVOR ENERGY RES LP WIRIO SAN MARCOS 36-45 UNIT 1AENDEAVOR ENERGY RESO
2025CHEVRON USA INC RI/ORIRIO SAN MARCOS 36-45 UNIT 1DIAMONDBACK E&P LLC
2025CHEVRON ADVANTAGE INCRIO SAN MARCOS 36-45 UNIT 1AENDEAVOR ENERGY RESO
2025JBAF LTDRIO SAN MARCOS 36-45 UNIT 1DIAMONDBACK E&P LLC
2025ROBINSON INTERESTS I LTDRIO SAN MARCOS 36-45 UNIT 1DIAMONDBACK E&P LLC
2025JBAF LTDRIO SAN MARCOS 36-45 UNIT 1AENDEAVOR ENERGY RESO
2025ROBINSON INTERESTS I LTDRIO SAN MARCOS 36-45 UNIT 1AENDEAVOR ENERGY RESO
Displaying 8 of 181 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Rio San Marcos 36-45 Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
08-48945RIO SAN MARCOS 36-45 UNIT 1Feb 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AFeb 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AFeb 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AFeb 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Feb 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1AFeb 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1AFeb 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1AFeb 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Feb 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BFeb 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BFeb 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BFeb 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1AJan 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1AJan 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Jan 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Jan 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Jan 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BJan 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BJan 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BJan 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1AJan 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AJan 2026ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AJan 2026DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AJan 2026ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Dec 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC