Petrora

WATER · TERRY COUNTY

Produced water and disposal in Terry County

Every injection and disposal permit in the county, what each well is permitted to take, what its operator reported, and who is reporting daily. Earthquakes in the area →

Terry County has 527 active injection and disposal wells, 48 of them permitted for disposal, with 1.5 million barrels a day of permitted capacity.

Operators reported 49 million barrels injected on H-10 filings in the twelve months to June 2025, up 2% on the year before, about 9% of what the permits allow.

1 deep disposal wells here report daily to TexNet; they injected 121 barrels a day in August 2026.

Highmark Energy Operating, LLC is the largest injector in the county, with 18 million barrels reported across 160 active wells.

527
active injection wells, 48 for disposal
1.46M
bbl/d permitted capacity
49.4M
bbl reported, H-10 year to Jun 2025 +2%
9%
of permitted capacity used
1,050
UIC permits on file, all time
121
bbl/d, 1 daily reporters, Aug 2026

Reported injection, by month

H-10 FILINGS · TEN YEARS TO JUN 2025

Last 12 months 49,389,051 · prior 12 48,455,214(+2%)

05M10M2016201720182019202020212022202320242025

UT BEG TexNet injection reporting tool

Deep disposal, reported daily

121
bbl per day, Aug 2026
1
wells reporting
1
operators
—
same wells vs a year earlier
WellOperatorbbl/d
44500201Bridwell Oil Co.121

Who injects here

Operators with active permits in the county, by reported H-10 volume over the settled year.

OperatorReported, bblActive wellsCapacity bbl/d
Highmark Energy Operating, LLC17.8M160396K
Bce-Mach III LLC6.1M50324K
Aviator Energy, LLC4.31M736.8K
Hilcorp Energy Company2.81M32108K
R3 Operating Corporation2.52M33140K
Capturepoint LLC2.52M16116K
Cross Timbers Energy, LLC2.03M3429.1K
Occidental Permian Ltd.1.95M1930K
Basin Oil & Gas Operating, LLC1.67M2420.9K
White Rock Oil & Gas, LLC1.47M5228K
Rein Pusher Operating LLC1.02M1933K
Occidental Permian EOR, LLC910K420K
Crey Oil & Gas LLC775K554K
Texland Petroleum, L.P.743K2510.3K
Sei Operating, LLC614K110K
Petex584K14K
Burk Royalty Co., Ltd.536K2021.4K
Extex Operating Company289K75.5K
OXY USA Inc.193K22K
Socorro Exploration, Inc.153K21K

Injection permits

1,052 UIC PERMITS · 527 ACTIVE · PAGE 2 OF 11

Active permits first, by reported volume, then canceled, plugged, and never-activated permits.

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Investors Royalty Co. "A" #4WBce-Mach III LLCActiveEnhanced recovery153K10,0007,600–8,150Dec 10, 2003
Prentice Northeast Unit #716UHighmark Energy Operating, LLCActiveEnhanced recovery153K2,5005,750–7,300Sep 16, 2011
Adair San Andres Unit #909Hilcorp Energy CompanyActiveEnhanced recovery152K2,0004,792–4,914Jun 23, 2009
Prentice (6700 Clearfork) Unit #105WOccidental Permian Ltd.ActiveEnhanced recovery152K1,5006,300–7,100Feb 28, 1995
Warhorse (Clearfork, Up.) Unit #705AExtex Operating CompanyActiveEnhanced recovery150K1,5006,600–6,746Apr 25, 2024
Prentice Northeast Unit #529Highmark Energy Operating, LLCActiveEnhanced recovery150K2,5005,750–7,300Sep 26, 2001
Prentice Northeast Unit #117AHighmark Energy Operating, LLCActiveEnhanced recovery150K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #3AHighmark Energy Operating, LLCActiveEnhanced recovery148K2,5005,906–6,905Jan 18, 2008
Mallet Land & Cattle Co. #81WCross Timbers Energy, LLCActiveEnhanced recovery146K1,2007,763–7,930Oct 13, 2011
Prentice Northeast Unit #16 LHighmark Energy Operating, LLCActiveEnhanced recovery145K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #606LHighmark Energy Operating, LLCActiveEnhanced recovery143K2,7005,750–7,300Sep 16, 2011
Mallet Land & Cattle Company #6AWCross Timbers Energy, LLCActiveEnhanced recovery143K1,0004,980–5,066May 11, 2011
Prentice Northeast Unit #577Highmark Energy Operating, LLCActiveEnhanced recovery142K2,5005,700–7,400Feb 7, 2008
Jacobson #26WBasin Oil & Gas Operating, LLCActiveEnhanced recovery140K1,5007,676–7,988Sep 2, 2004
Adair San Andres Unit #903WHilcorp Energy CompanyActiveEnhanced recovery140K2,0004,778–4,930May 10, 2001
Muldrow Unit #4Cross Timbers Energy, LLCActiveEnhanced recovery139K5505,230–5,328Jan 31, 2005
Warhorse (Clearfork, Up.) Unit #708AExtex Operating CompanyActiveEnhanced recovery139K1,5006,621–6,812May 6, 2024
Mallet Land & Cattle Co. #96WCross Timbers Energy, LLCActiveEnhanced recovery138K1,2007,716–7,952Oct 13, 2011
Mallet Land & Cattle Co. #89WBce-Mach III LLCActiveEnhanced recovery138K10,0007,600–8,015Jul 21, 2003
Prentice (6700 Clearfork) Unit #321Occidental Permian Ltd.ActiveEnhanced recovery138K1,5006,300–7,077Sep 28, 1995
Prentice Northeast Unit #2BHighmark Energy Operating, LLCActiveEnhanced recovery138K2,5007,000–7,350Oct 29, 2007
Adair San Andres Unit #202WHilcorp Energy CompanyActiveEnhanced recovery137K1,0004,828–4,910Mar 3, 2000
Mallet Land & Cattle Co. #86WBce-Mach III LLCActiveEnhanced recovery137K10,0007,600–8,200Oct 1, 2003
Prentice Northeast Unit #25 LHighmark Energy Operating, LLCActiveEnhanced recovery136K2,5005,750–7,300Sep 5, 1995
Adair San Andres Unit #801WHilcorp Energy CompanyActiveEnhanced recovery135K2,5504,500–4,935Jan 7, 2016
Prentice Northeast Unit #149WHighmark Energy Operating, LLCActiveEnhanced recovery134K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #578Highmark Energy Operating, LLCActiveEnhanced recovery134K2,5005,750–7,300Oct 28, 1997
Adair San Andres Unit #307WHilcorp Energy CompanyActiveEnhanced recovery133K1,0004,821–4,906Mar 3, 2000
Prentice (6700 Clearfork) Unit #307WOccidental Permian Ltd.ActiveEnhanced recovery133K1,0005,500–6,800Jun 17, 2009
Devitt, Christine "B" #4Hilcorp Energy CompanyActiveEnhanced recovery131K5,0394,800–5,100Nov 20, 2002
Muldrow Unit #11Cross Timbers Energy, LLCActiveEnhanced recovery127K5505,250–5,387Jan 31, 2005
Prentice Northeast Unit #62 LHighmark Energy Operating, LLCActiveEnhanced recovery127K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #18LHighmark Energy Operating, LLCActiveEnhanced recovery126K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #61BHighmark Energy Operating, LLCActiveEnhanced recovery125K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #51BWHighmark Energy Operating, LLCActiveEnhanced recovery124K2,5005,750–7,300Sep 5, 1995
Muldrow Unit #5Cross Timbers Energy, LLCActiveEnhanced recovery124K5505,250–5,314Jan 31, 2005
Mallet Land & Cattle Co. #101WBce-Mach III LLCActiveEnhanced recovery122K10,0007,700–8,030Jul 28, 2003
Prentice Northeast Unit #26AHighmark Energy Operating, LLCActiveEnhanced recovery122K2,5005,750–7,300Sep 5, 1995
Adair San Andres Unit #1001WHilcorp Energy CompanyActiveEnhanced recovery122K2,0004,819–4,950May 10, 2001
Prentice (6700 Clearfork) Unit #902WOccidental Permian Ltd.ActiveEnhanced recovery121K2,0005,952–7,000Apr 4, 2024
Prentice Northeast Unit #148WHighmark Energy Operating, LLCActiveDisposal120K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #15 LHighmark Energy Operating, LLCActiveEnhanced recovery118K2,5005,750–7,300Sep 5, 1995
Adair San Andres Unit #506WHilcorp Energy CompanyActiveEnhanced recovery117K1,0004,855–4,933Mar 3, 2000
Prentice (6700 Clearfork) Unit #304WOccidental Permian Ltd.ActiveEnhanced recovery116K1,5006,300–7,100Dec 2, 1997
Mallet Land & Cattle Co. #53WBce-Mach III LLCActiveEnhanced recovery115K10,0007,600–8,100Jul 24, 2003
Muldrow Unit #19Cross Timbers Energy, LLCActiveEnhanced recovery114K5505,200–5,320Jan 31, 2005
Prentice Northeast Unit #287Highmark Energy Operating, LLCActiveEnhanced recovery114K2,5005,750–7,300May 28, 1999
Prentice Northeast Unit #75BHighmark Energy Operating, LLCActiveEnhanced recovery113K2,5005,750–7,300Sep 5, 1995
Doyle #5WBurk Royalty Co., Ltd.ActiveEnhanced recovery113K12,0005,904–5,942Jul 17, 2001
Central Glorieta Unit #1WOccidental Permian Ltd.ActiveEnhanced recovery113K2,0005,885–6,015Nov 5, 2019
Muldrow Unit #16Cross Timbers Energy, LLCActiveEnhanced recovery111K5505,175–5,274Jan 31, 2005
Jones #6R3 Operating CorporationActiveEnhanced recovery111K1,5006,800–8,250Dec 10, 2014
Prentice Northeast Unit #2AHighmark Energy Operating, LLCActiveDisposal110K2,5005,750–7,300Sep 5, 1995
Prentice Northeast Unit #60AHighmark Energy Operating, LLCActiveEnhanced recovery109K2,5005,750–7,300Sep 5, 1995
Roberts State "14" #1Shinnery Oil Company, Inc.ActiveDisposal109K1,0005,146–5,500Dec 30, 1994
Mallet Land & Cattle Co. #84WBce-Mach III LLCActiveEnhanced recovery107K10,0007,550–7,989Mar 11, 2015
1ST Natl Bank of Roswell Tr. "B" #30WBce-Mach III LLCActiveEnhanced recovery104K2,2007,400–8,200Jun 28, 2021
Mallet Land & Cattle Company #39WCross Timbers Energy, LLCActiveEnhanced recovery104K1,0004,961–5,004May 11, 2011
Prentice Northeast Unit #637Highmark Energy Operating, LLCActiveDisposal104K2,5005,750–7,100Sep 21, 1995
Investors Royalty Co. "A" #7Bce-Mach III LLCActiveEnhanced recovery104K1,0007,600–8,180Sep 6, 2001
Prentice Northeast Unit #580Highmark Energy Operating, LLCActiveEnhanced recovery104K2,7005,750–7,300Feb 21, 2012
Adair San Andres Unit #902Hilcorp Energy CompanyActiveEnhanced recovery103K2,0004,774–4,906Apr 24, 2009
Wellman West Unit #11HWWhite Rock Oil & Gas, LLCActiveEnhanced recovery102K6004,953–5,668Oct 16, 2003
Investors Royalty Co. "A" #25WBce-Mach III LLCActiveEnhanced recovery100K2,5007,500–8,200Jan 30, 2004
Adair San Andres Unit #905WHilcorp Energy CompanyActiveEnhanced recovery99.6K2,0004,800–4,954May 10, 2001
Gordon, M. G. #49White Rock Oil & Gas, LLCActiveEnhanced recovery98.4K1,0007,220–7,586Feb 7, 2005
Frazier, W. G. #42WOccidental Permian EOR, LLCActiveEnhanced recovery97.3K5,0004,700–5,100Oct 8, 2003
Wellman West Unit #15HWWhite Rock Oil & Gas, LLCActiveEnhanced recovery97.3K6004,953–5,668Oct 16, 2003
Investors Royalty Co. "A" #24WBce-Mach III LLCActiveEnhanced recovery95.5K2,5007,500–8,200Jan 30, 2004
1ST Natl Bank of Roswell Tr. "B" #A 19WBce-Mach III LLCActiveEnhanced recovery94.7K5007,600–8,084Mar 17, 2015
Muldrow Unit #7Cross Timbers Energy, LLCActiveEnhanced recovery94.1K5505,275–5,384Jan 31, 2005
Prentice Northeast Unit #146 UHighmark Energy Operating, LLCActiveEnhanced recovery93.7K2,5005,750–7,300Sep 5, 1995
Adair San Andres Unit #908Hilcorp Energy CompanyActiveEnhanced recovery92.5K2,0004,788–4,915Aug 12, 2009
Crown #1WFasken Oil and Ranch, Ltd.ActiveDisposal91.9K3,0006,400–13,574Jul 22, 2008
Wellman West Unit #22HWWhite Rock Oil & Gas, LLCActiveEnhanced recovery91.4K6004,953–5,668Feb 22, 2005
Harred #3Rein Pusher Operating LLCActiveDisposal90.2K10,0004,383–5,000Mar 2, 2016
Bullard, Sara #4Finley Resources, Inc.ActiveEnhanced recovery87.8K14,0005,110–13,500Mar 28, 2002
Suntura (Lower Clear Fork) Unit #26WBasin Oil & Gas Operating, LLCActiveEnhanced recovery87.7K2007,400–8,200Aug 14, 2007
Brownfield "48" #1Socorro Exploration, Inc.ActiveEnhanced recovery86.9K5008,000–8,070Jan 17, 2023
Mallet Land & Cattle Co. #82WBce-Mach III LLCActiveEnhanced recovery86.2K10,0007,688–7,884Jul 21, 2003
Prentice (6700 Clearfork) Unit #202Occidental Permian Ltd.ActiveEnhanced recovery85.5K1,5006,505–6,855Feb 28, 1995
Mabee #1R3 Operating CorporationActiveEnhanced recovery84.9K8,0007,200–7,611Sep 18, 2019
Mallet Land & Cattle Company #27WCross Timbers Energy, LLCActiveEnhanced recovery83.7K1,0004,962–5,050Feb 15, 2022
Coons, H. R. #6WBce-Mach III LLCActiveEnhanced recovery83.5K5007,500–7,978Nov 12, 2014
Prentice Northeast Unit #55 WHighmark Energy Operating, LLCActiveEnhanced recovery83.1K2,5005,750–7,300Sep 5, 1995
Alexander #6WIAviator Energy, LLCActiveEnhanced recovery82.3K2505,100–5,200Mar 19, 1991
Coons, H.R. Unit #2WBce-Mach III LLCActiveEnhanced recovery80.4K5007,788–8,124Jun 29, 1979
Helen #5R3 Operating CorporationActiveEnhanced recovery80.3K1,5007,200–8,050Nov 20, 2015
Suntura (Lower Clear Fork) Unit #23WBasin Oil & Gas Operating, LLCActiveEnhanced recovery79.4K2007,400–8,150Aug 29, 2007
Investors Royalty Co. "A" #3Bce-Mach III LLCActiveEnhanced recovery79K10,0007,600–8,175Dec 10, 2003
Prentice (6700 Clearfork) Unit #313WOccidental Permian Ltd.ActiveEnhanced recovery78.4K1,5006,300–7,100Nov 2, 1997
Suntura (Lower Clear Fork) Unit #11AWBasin Oil & Gas Operating, LLCActiveEnhanced recovery77.5K2007,400–8,020Aug 14, 2007
Suntura (Lower Clear Fork) Unit #1WBasin Oil & Gas Operating, LLCActiveEnhanced recovery76.8K2007,400–8,300Jul 23, 2009
Wellman SW. San Andres Unit #19Rein Pusher Operating LLCActiveEnhanced recovery73.9K1,0005,475–5,495Jun 28, 1994
Pool "37" #5Texland Petroleum, L.P.ActiveEnhanced recovery72.9K3005,302–5,342Mar 17, 2009
Welch North Unit #2902WWhite Rock Oil & Gas, LLCActiveEnhanced recovery72.7K5004,858–4,898Jun 15, 1965
Wellman SW. San Andres Unit #15Rein Pusher Operating LLCActiveEnhanced recovery72.6K1,0005,480–5,504Jun 28, 1994
Prentice (6700 Clearfork) Unit #201Occidental Permian Ltd.ActiveEnhanced recovery71.3K1,5006,300–7,500Oct 23, 1997
Prentice Northeast Unit #7Highmark Energy Operating, LLCActiveDisposal70.9K2,5005,750–7,300Sep 5, 1995
Suntura (Lower Clear Fork) Unit #8WBasin Oil & Gas Operating, LLCActiveEnhanced recovery70.1K2007,400–8,150Aug 14, 2007

Latest disposal drilling permits

W-1 drilling permits in the county tagged as produced-water disposal.

IssuedPermitOperatorLease / well
Dec 14, 1982180153Superior Oil Company, TheT-Y Unit SWD #1 44580579
Sep 21, 1981133939Superior Oil Company, ThePippin, O.A. SWD #1 44530991

About this data

RRC UIC well master and H-10 injection reports, settled through Jun 2025; TexNet daily injection for Aug 2026; disposal permit tags from Petrora's sector classifier.

Developers: this page as JSON is GET /v1/data/water/tx/terry, documented in the API reference.