Petrora

WATER · STONEWALL COUNTY

Produced water and disposal in Stonewall 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 →

Stonewall County has 300 active injection and disposal wells, 15 of them permitted for disposal, with 890,095 barrels a day of permitted capacity.

Operators reported 20 million barrels injected on H-10 filings in the twelve months to June 2025, down 10% on the year before, about 6% of what the permits allow.

Atlas Oper LLC is the largest injector in the county, with 8.7 million barrels reported across 49 active wells.

TexNet located 1 M2+ earthquakes in the county's area over the last two years, the largest M2.0.

300
active injection wells, 15 for disposal
890K
bbl/d permitted capacity
20.1M
bbl reported, H-10 year to Jun 2025 -10%
6%
of permitted capacity used
1,203
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO JUN 2025

Last 12 months 20,059,013 · prior 12 22,240,869(-10%)

02M4M2016201720182019202020212022202320242025

Who injects here

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

OperatorReported, bblActive wellsCapacity bbl/d
Atlas Oper LLC8.74M49490K
Citation Oil & Gas Corp2.33M3442.7K
Walsh & Watts, Inc1.6M240K
Scout Engy Management LLC1.43M3183K
Midland Oil and Gas, Inc1.26M5058.8K
Grayrock Energy II, LLC974K3332.2K
Stephens & Johnson Oper Co839K25K
Tacor Res Inc682K1010K
Pop Oper Co256K21.6K
Sojourner Drlg. Corp254K722.6K
R3 Operating Corporation245K1113.9K
Comstock Engy, LLC214K36.5K
Clear Fork, Inc203K25.2K
Winn Oper, LLC186K33.6K
Salida Expl, LLC105K2500
Byrne Oil Co77.6K11K
D.J. & T. Engy75.2K31.15K
Big al Oil and Gas71.8K21.75K
IS Energy, LLC70.7K210K
G & F Oil, Inc62.9K31.5K

Injection permits

1,203 UIC PERMITS · 300 ACTIVE · PAGE 1 OF 13

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
T-Diamond 11 #1DWalsh & Watts, IncActiveDisposal1.47M20,0003,650–3,745Nov 30, 2021
Katz (Strawn) Unit #312Atlas Oper LLCActiveEnhanced recovery705K10,0004,800–5,600May 23, 2014
Katz (Strawn) Unit #300AAtlas Oper LLCActiveEnhanced recovery581K10,0004,760–5,443Jun 17, 2014
Katz (Strawn) Unit #362Atlas Oper LLCActiveEnhanced recovery568K10,0004,750–5,600Mar 20, 2014
Katz (Strawn) Unit #270Atlas Oper LLCActiveEnhanced recovery489K10,0004,754–5,441Aug 6, 2014
Katz (Strawn) Unit #162Atlas Oper LLCActiveEnhanced recovery458K10,0004,779–5,443Jan 3, 2014
Katz (Strawn) Unit #430Atlas Oper LLCActiveEnhanced recovery437K10,0004,750–5,600Apr 1, 2014
Brookreson, D.J. #6Stephens & Johnson Oper CoActiveEnhanced recovery433K2,5005,280–5,358Jul 16, 2021
Katz (Strawn) Unit #192Atlas Oper LLCActiveEnhanced recovery430K10,0004,765–5,443Oct 21, 2014
Katz (Strawn) Unit #342Atlas Oper LLCActiveEnhanced recovery417K10,0004,764–5,561May 14, 2014
Brookreson, D.J. #2Stephens & Johnson Oper CoActiveEnhanced recovery406K2,5005,268–5,288Oct 20, 2017
Katz (Strawn) Unit #410Atlas Oper LLCActiveEnhanced recovery384K10,0004,750–5,500Apr 8, 2014
Katz (Strawn) Unit #282AAtlas Oper LLCActiveEnhanced recovery371K10,0004,785–5,455Jul 14, 2014
Katz (Strawn) Unit #334Atlas Oper LLCActiveEnhanced recovery359K10,0004,800–5,600May 14, 2014
Katz (Strawn) Unit #350Atlas Oper LLCActiveEnhanced recovery351K10,0004,750–5,600Feb 25, 2014
Katz (Strawn) Unit #160Atlas Oper LLCActiveEnhanced recovery337K10,0004,773–5,450Jan 3, 2014
Katz (Strawn) Unit #324Atlas Oper LLCActiveEnhanced recovery315K10,0004,800–5,600May 14, 2014
Katz (Strawn) Unit #144Atlas Oper LLCActiveEnhanced recovery315K10,0004,700–5,456Jan 3, 2014
Katz (Strawn) Unit #240Atlas Oper LLCActiveEnhanced recovery301K10,0004,793–5,460Aug 6, 2014
Katz (Strawn) Unit #302AAtlas Oper LLCActiveEnhanced recovery289K10,0004,800–5,600Jun 17, 2014
Ferguson #13WIScout Engy Management LLCActiveEnhanced recovery273K10,0006,200–6,550Jul 19, 2012
Katz (Strawn) Unit #316AAtlas Oper LLCActiveEnhanced recovery257K10,0004,792–5,467May 23, 2014
Pittcock #1Pop Oper CoActiveEnhanced recovery256K8505,918–5,930Jan 4, 2023
Katz (Strawn) Unit #314AAtlas Oper LLCActiveEnhanced recovery253K10,0004,791–5,510May 23, 2014
Katz (Strawn) Unit #332Atlas Oper LLCActiveEnhanced recovery250K10,0004,750–5,600May 14, 2014
Katz (Strawn) Unit #284AAtlas Oper LLCActiveEnhanced recovery219K10,0004,803–5,480Jul 14, 2014
Flowers /Canyon Sand/ Unit #418WCitation Oil & Gas CorpActiveEnhanced recovery216K1,0004,000–4,350Sep 15, 2014
Anderson, P. L. -A- #18Clear Fork, IncActiveDisposal197K5,0003,178–3,620Aug 3, 2005
Katz (Strawn) Unit #154Atlas Oper LLCActiveEnhanced recovery186K10,0004,784–5,445Jan 3, 2014
Ferguson #6WIScout Engy Management LLCActiveEnhanced recovery177K1,0004,775–6,500Feb 8, 2011
Flowers /Canyon Sand/ Unit #274WCitation Oil & Gas CorpActiveEnhanced recovery171K1,5004,000–4,500Oct 22, 2008
Scoggins, Flossie E. -A- #8Midland Oil and Gas, IncActiveEnhanced recovery170K5,0004,950–5,111Mar 27, 2020
Smith, Cleo #3Comstock Engy, LLCActiveEnhanced recovery160K1,0005,530–5,750Feb 24, 2016
West Flowers Unit #37WGrayrock Energy II, LLCActiveEnhanced recovery157K1,0004,256–4,474Oct 21, 2010
Smith, Cleo Ward #7Tacor Res IncActiveDisposal156K1,0005,018–5,405May 15, 1990
Katz (Strawn) Unit #3521AAtlas Oper LLCActiveEnhanced recovery154K10,0004,800–5,600Apr 10, 2014
Flowers /Canyon Sand/ Unit #222Citation Oil & Gas CorpActiveEnhanced recovery147K1,5004,000–4,350Nov 23, 2010
Saltlick #1Scout Engy Management LLCActiveEnhanced recovery146K1,5005,165–5,171Oct 4, 2016
Corsica Unit #7Scout Engy Management LLCActiveEnhanced recovery143K1,5005,986–6,000Jun 15, 2016
Hunt, C.O. #14Winn Oper, LLCActiveEnhanced recovery142K1,3003,042–4,493Nov 8, 2024
Saltlick #6Scout Engy Management LLCActiveEnhanced recovery142K2,0005,186–5,196Aug 16, 2017
Flowers /Canyon Sand/ Unit #401WCitation Oil & Gas CorpActiveEnhanced recovery141K1,0004,000–4,350Jul 25, 2014
McMillin (Canyon Sand) Unit #507Midland Oil and Gas, IncActiveEnhanced recovery135K5004,192–5,151Sep 21, 2018
Katz (Strawn) Unit #3541Atlas Oper LLCActiveEnhanced recovery134K10,0004,750–5,600Apr 10, 2014
Smith, Lee, Etal #4Tacor Res IncActiveEnhanced recovery133K1,0004,600–4,976Feb 10, 2011
West Flowers Unit #59Grayrock Energy II, LLCActiveEnhanced recovery133K1,0004,238–4,438Oct 21, 2010
Flowers /Canyon Sand/ Unit #403WCitation Oil & Gas CorpActiveEnhanced recovery131K1,0004,000–4,350Aug 7, 2014
Flowers /Canyon Sand/ Unit #341WCitation Oil & Gas CorpActiveEnhanced recovery130K1,0004,000–4,350Jul 25, 2014
Mallard #1DWalsh & Watts, IncActiveEnhanced recovery128K20,0003,500–4,000Jul 14, 2022
Flowers /Canyon Sand/ Unit #347WCitation Oil & Gas CorpActiveEnhanced recovery121K1,5004,000–4,500Jul 9, 2010
Jeff Smith #3Tacor Res IncActiveEnhanced recovery116K1,0004,500–4,950Jul 15, 2019
Katz (Strawn) Unit #290Atlas Oper LLCActiveEnhanced recovery114K10,0004,762–5,442Jul 14, 2014
Corsica Unit #1WIScout Engy Management LLCActiveEnhanced recovery114K3,0005,950–6,500Aug 30, 2012
Flowers /Canyon Sand/ Unit #68Citation Oil & Gas CorpActiveEnhanced recovery112K1,5004,000–4,323Sep 11, 2008
Flowers /Canyon Sand/ Unit #322WCitation Oil & Gas CorpActiveEnhanced recovery112K1,5004,000–4,500Nov 23, 2010
Kuntz, Lois #4Sojourner Drlg. CorpActiveEnhanced recovery111K5003,126–3,133Feb 23, 1998
West Flowers Unit #6 WGrayrock Energy II, LLCActiveEnhanced recovery108K1,0004,225–4,336Jan 27, 2014
West Flowers Unit #100Grayrock Energy II, LLCActiveEnhanced recovery108K1,0004,300–4,494Mar 10, 2011
Flowers /Canyon Sand/ Unit #296WCitation Oil & Gas CorpActiveEnhanced recovery107K1,5004,000–4,500Jan 28, 2009
West Flowers Unit #36WGrayrock Energy II, LLCActiveEnhanced recovery107K1,0004,291–4,500Dec 28, 2015
Graham, C.H. #5Salida Expl, LLCActiveEnhanced recovery105K5002,908–2,922Oct 27, 1995
Flowers /Canyon Sand/ Unit #408WCitation Oil & Gas CorpActiveEnhanced recovery104K1,0004,000–4,350Aug 4, 2014
West Flowers Unit #30WGrayrock Energy II, LLCActiveEnhanced recovery101K1,0004,090–4,450Aug 14, 2013
Flowers /Canyon Sand/ Unit #297WCitation Oil & Gas CorpActiveEnhanced recovery100K1,5004,000–4,500Aug 3, 2009
Flowers /Canyon Sand/ Unit #280WCitation Oil & Gas CorpActiveEnhanced recovery97.1K1,5004,000–4,500Oct 22, 2008
Jeff Smith #5Tacor Res IncActiveEnhanced recovery90.5K1,0004,500–4,950Jul 15, 2019
McMillin (Canyon Sand) Unit #406Midland Oil and Gas, IncActiveEnhanced recovery87.8K5004,192–5,151Nov 6, 2017
McMillin (Canyon Sand) Unit #702Midland Oil and Gas, IncActiveEnhanced recovery87.8K5004,192–5,151Oct 20, 2018
Flowers /Canyon Sand/ Unit #313WCitation Oil & Gas CorpActiveEnhanced recovery86.1K1,5004,000–4,500Jul 9, 2010
Flowers /Canyon Sand/ Unit #270Citation Oil & Gas CorpActiveEnhanced recovery82.7K1,5004,000–4,500Dec 28, 2011
West Flowers Unit #2Grayrock Energy II, LLCActiveEnhanced recovery81.5K1,0004,310–4,495May 26, 2010
Guest /Canyon Sand/ Unit #54R3 Operating CorporationActiveEnhanced recovery80.7K7004,388–4,480Jan 28, 2009
Walter Smith Unit #22Midland Oil and Gas, IncActiveEnhanced recovery80.5K1,0005,386–5,508Jul 7, 2017
Flowers /Canyon Sand/ Unit #306WCitation Oil & Gas CorpActiveEnhanced recovery80.3K1,5004,000–4,500Nov 10, 2009
McCoy #2Byrne Oil CoActiveEnhanced recovery77.6K1,0003,185–4,677Dec 19, 2005
East Frankirk (Canyon Sand) Unit #1902Midland Oil and Gas, IncActiveEnhanced recovery72.8K5004,192–5,151Oct 19, 2015
McMillin (Canyon Sand) Unit #44Midland Oil and Gas, IncActiveEnhanced recovery72.6K5004,192–5,151Aug 10, 2015
Bissett "60" #2WIIS Energy, LLCActiveEnhanced recovery70.7K5,0005,448–6,052Nov 28, 2016
Lackey #2Scout Engy Management LLCActiveEnhanced recovery69.3K2,5005,180–5,200Mar 5, 2018
Corsica Unit #39Scout Engy Management LLCActiveEnhanced recovery65.9K2,0005,850–6,030Nov 22, 2021
Flowers /Canyon Sand/ Unit #92Citation Oil & Gas CorpActiveEnhanced recovery64.5K1,5004,000–4,321Sep 11, 2008
East Flowers/Canyon/Unit #513XR3 Operating CorporationActiveEnhanced recovery64.5K1,5003,980–4,148Sep 24, 2014
Flowers /Canyon Sand/ Unit #250ACitation Oil & Gas CorpActiveEnhanced recovery63.8K1,5004,000–4,500Oct 22, 2008
Corsica Unit #38Scout Engy Management LLCActiveEnhanced recovery63.7K2,0005,984–6,002Sep 20, 2017
McMillin (Canyon Sand) Unit #1210Midland Oil and Gas, IncActiveEnhanced recovery63.4K5004,192–5,151Dec 20, 2021
Corsica Unit #45Scout Engy Management LLCActiveEnhanced recovery62.7K15,0005,980–5,988Mar 2, 2018
McMillin (Canyon Sand) Unit #601WIMidland Oil and Gas, IncActiveEnhanced recovery61.7K5004,192–5,151Aug 10, 2015
West Flowers Unit #19Grayrock Energy II, LLCActiveEnhanced recovery61.4K1,0004,230–4,435May 26, 2010
Flowers /Canyon Sand/ Unit #269WCitation Oil & Gas CorpActiveEnhanced recovery59.9K1,5004,000–4,500Oct 22, 2008
Corsica Unit #13Scout Engy Management LLCActiveEnhanced recovery58.1K1,5005,900–6,100Feb 21, 2024
Spitzer #1Chisholm Oper, IncActiveEnhanced recovery57.7K1,5006,046–6,150Jul 27, 2017
Flowers /Canyon Sand/ Unit #295WCitation Oil & Gas CorpActiveEnhanced recovery56.7K1,5004,000–4,500Oct 27, 2008
Smith, Cleo #5Comstock Engy, LLCActiveDisposal54.4K1,0005,161–5,396Sep 11, 1986
East Flowers/Canyon/Unit #113XR3 Operating CorporationActiveEnhanced recovery52.5K1,5003,890–4,210Apr 6, 2016
Bissett, NE (Strawn Lime) #22New Height Energy, LLCActiveEnhanced recovery51.7K1,0005,310–5,390Nov 16, 1989
Smith, Lee, Etal #90Tacor Res IncActiveEnhanced recovery49.9K1,0004,450–4,938Jan 2, 2014
Upshaw, T. A. -A- #6Williams, A. OilActiveEnhanced recovery47.7K1,0004,765–5,485Feb 13, 2006
Flowers /Canyon Sand/ Unit #378Citation Oil & Gas CorpActiveEnhanced recovery45.9K1,5004,000–4,500Oct 11, 2012
Flowers /Canyon Sand/ Unit #285WCitation Oil & Gas CorpActiveEnhanced recovery45.7K1,5004,000–4,500Jan 28, 2009
State of Texas Tannehill Unit #1Big al Oil and GasActiveEnhanced recovery44.3K7502,793–2,797Mar 25, 1996

Latest disposal drilling permits

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

IssuedPermitOperatorLease / well
Oct 26, 2000501301Tristar Exploration, IncPatterson "NW 355" SWD #1 43333020

About this data

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

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