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

Map of Wells Full Screen Map 3-D Map

Property Summary

Key data points for Rio San Marcos 36-45 Unit

CountyMidland County, TX
Production DatesSep 2018 - Jan 2026
Total Oil Production5,246,059 BBLs
Total Gas Production23,544,378 MCF
Recent Oil Production64,501 BBLs in Dec 2025
Recent Gas Production436,571 MCF in Dec 2025
Wells on Property29

Our Valuation Estimates for Rio San Marcos 36-45 Unit

ShaleAssessment™

Not Available

MarketMultiple™

$12,510,356 **

* 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
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Rio San Marcos 36-45 Unit
from Sep 2018 to Jan 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 LLCShut InMidland 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 LLCShut InMidland 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, TX683 BBLs3,426 MCFJan 2026
BradfordMidland County, TX74,552 BBLs46,584 MCFFeb 2026
BRD Camden 23/12Midland County, TX18,399 BBLs290,475 MCFJan 2026
CMC CandlestickMidland County, TX18,795 BBLs43,117 MCFJan 2026
CMC Fenway 22/34Midland County, TX10,073 BBLs156,285 MCFJan 2026
HenceMidland County, TX3,053 BBLs5,168 MCFJan 2026
MidlandMidland County, TX12,683 BBLs141,679 MCFJan 2026
Perro RojoMidland County, TX1,517 BBLs9,058 MCFJan 2026
Rio Brazos 26-15 UnitMidland County, TX74,637 BBLs523,333 MCFJan 2026
Rio Comal 26-31Midland County, TX5,396 BBLs14,705 MCFJan 2026
Rio Concho 3Midland County, TX10,681 BBLs129,509 MCFJan 2026
Rio Frio 25-32Midland County, TX0 BBLs0 MCFMar 2022
Rio Grande 25-20SL UnitMidland County, TX11,519 BBLs159,647 MCFJan 2026
Rio Nueces 37-44 UnitMidland County, TX22,151 BBLs132,886 MCFJan 2026
Rio Pedernales 23-34 UnitMidland County, TX5,768 BBLs48,920 MCFJan 2026
Rio Sabine 39-42 Unit 1Midland County, TX41,311 BBLs340,686 MCFJan 2026
Rio San Jacinto 38-43Midland County, TX117,699 BBLs826,292 MCFJan 2026
TXL 3Midland County, TX45 BBLs263 MCFJan 2026
TXLVMidland County, TX1,791 BBLs6,044 MCFJan 2026
WindhamMidland County, TX1,302 BBLs4,141 MCFJan 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
Chevron USA Inc
CMS Oil And Gas Company
Crownquest Operating, LLC
Diamondback E&P LLC
Discovery Operating Inc
Endeavor Energy Resources, LP
Henry Petroleum 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
08-62143RIO SAN MARCOS 36-45 UNIT 2BDec 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1ADec 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2ADec 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Dec 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Nov 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Nov 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1ANov 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1ANov 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1ANov 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2ANov 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2ANov 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2ANov 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BNov 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BNov 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BNov 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Nov 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AOct 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62127RIO SAN MARCOS 36-45 UNIT 2AOct 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Oct 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Oct 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BOct 2025ENTERPRISE CRUDE OIL LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BOct 2025DIAMONDBACK E&P LLCDIAMONDBACK E&P LLC
08-62143RIO SAN MARCOS 36-45 UNIT 2BOct 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-53693RIO SAN MARCOS 36-45 UNIT 1AOct 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC
08-48945RIO SAN MARCOS 36-45 UNIT 1Oct 2025ENTERPRISE PRODUCTS OPERATING LLCDIAMONDBACK E&P LLC