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 298 active injection and disposal wells, 33 of them permitted for disposal, with 881,595 barrels a day of permitted capacity.

Operators reported 19 million barrels injected on H-10 filings in the twelve months to September 2025, down 11% on the year before, about 6% of what the permits allow.

Atlas Operating LLC is the largest injector in the county, with 8.3 million barrels reported across 49 active wells.

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

298
active injection wells, 33 for disposal
882K
bbl/d permitted capacity
19.4M
bbl reported, H-10 year to Sep 2025 -11%
6%
of permitted capacity used
1,203
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO SEP 2025

Last 12 months 19,378,260 · prior 12 21,768,439(-11%)

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 Operating LLC8.3M49490K
Citation Oil & Gas Corp.2.4M3442.7K
Walsh & Watts, Inc.1.53M240K
L.C.S. Production Company1.39M4951.8K
Scout Energy Management LLC1.35M3081.5K
Grayrock Energy II, LLC849K3332.2K
Stephens & Johnson Operating Co.823K25K
Tacor Resources Inc670K1010K
Pop Operating Company256K21.6K
Sojourner Drilling Corporation246K722.6K
R3 Operating Corporation221K1113.9K
Clear Fork, Incorporated220K25.2K
Comstock Energy, LLC214K36.5K
Winn Operating, LLC180K33.6K
Salida Exploration, LLC105K2500
Byrne Oil Company78.7K11K
D.J. & T. Energy70.4K31.15K
Williams, A. Oil62.5K52.2K
G & F Oil, Inc.60.9K31.5K
Clear Water Inc.60K2500

Injection permits

1,203 UIC PERMITS · 298 ACTIVE · PAGE 2 OF 13

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Flowers /Canyon Sand/ Unit #378Citation Oil & Gas Corp.ActiveEnhanced recovery39.3K1,5004,000–4,500Oct 11, 2012
McMillin (Canyon Sand) Unit #1101WIL.C.S. Production CompanyActiveEnhanced recovery38K5004,192–5,151Aug 10, 2015
Flowers /Canyon Sand/ Unit #285WCitation Oil & Gas Corp.ActiveEnhanced recovery37.9K1,5004,000–4,500Jan 28, 2009
Kennedy #1D.J. & T. EnergyActiveEnhanced recovery37.5K3503,484–3,492Mar 12, 2004
McMillin (Canyon Sand) Unit #610L.C.S. Production CompanyActiveEnhanced recovery37.4K5004,192–5,151Jul 5, 2019
Jones, Elvin #1G & F Oil, Inc.ActiveEnhanced recovery37.2K5002,900–2,928May 15, 2017
Flowers /Canyon Sand/ Unit #391WCitation Oil & Gas Corp.ActiveEnhanced recovery36.3K1,5004,000–4,500Jul 20, 2011
Smith, Lee, Etal #83Tacor Resources IncActiveEnhanced recovery36.2K1,0004,550–4,960Jul 3, 2012
Bissett, NE (Strawn Lime) #22New Height Energy, LLCActiveEnhanced recovery34.8K1,0005,310–5,390Nov 16, 1989
Double Mountain Unit #202Clear Water Inc.ActiveEnhanced recovery34.5K2505,227–5,254Oct 11, 1963
McMillin (Canyon Sand) Unit #503L.C.S. Production CompanyActiveEnhanced recovery34K5004,192–5,151Oct 20, 2018
Gillum A #15L.C.S. Production CompanyActiveEnhanced recovery31.8K3504,258–4,312May 22, 1996
McCoy #2R2Q Operating LLCActiveEnhanced recovery30.2K1,0005,860–5,919Aug 15, 1989
Simmons 302 #4D.J. & T. EnergyActiveEnhanced recovery30K5003,604–3,630Oct 22, 2015
McMillin (Canyon Sand) Unit #5101HL.C.S. Production CompanyActiveEnhanced recovery29.3K5004,192–5,151Feb 19, 2016
Katz (Strawn) Unit #164Atlas Operating LLCActiveEnhanced recovery29K10,0004,784–5,453Jan 3, 2014
Smith, I. E. #17L.C.S. Production CompanyActiveEnhanced recovery28.2K5004,362–4,502Jan 24, 2008
State of Texas Tannehill Unit #1Big al Oil and GasActiveEnhanced recovery27.7K7502,793–2,797Mar 25, 1996
Smith, Lee, Etal #5XTacor Resources IncActiveEnhanced recovery27.7K1,0004,540–4,679Jul 3, 2012
Altman, R.F. #4Sojourner Drilling CorporationActiveEnhanced recovery26.8K1,0003,105–3,110Dec 30, 2019
Corsica Unit #23Scout Energy Management LLCActiveEnhanced recovery26.7K1,5005,962–6,038Oct 20, 2016
Covington #1Sojourner Drilling CorporationActiveDisposal25.6K5,0004,750–5,740Feb 10, 2023
Double Mountain Unit #104Clear Water Inc.ActiveEnhanced recovery25.5K2505,298–5,395Jul 10, 1963
State of Texas Tannehill Unit #13Big al Oil and GasActiveEnhanced recovery24.8K1,0002,776–2,796Apr 29, 1994
East Flowers/Canyon/Unit #510R3 Operating CorporationActiveEnhanced recovery24.7K1,5003,975–4,400Jan 8, 2015
Coats 161 #2Sojourner Drilling CorporationActiveDisposal24.5K5,0005,245–6,460Jul 25, 2018
Jones, Elvin #17G & F Oil, Inc.ActiveEnhanced recovery23.7K4002,928–2,956Jul 13, 2005
West Flowers Unit #33 WGrayrock Energy II, LLCActiveEnhanced recovery23.7K1,0004,282–4,500Oct 21, 2010
Peacock Tannehill Unit #14R2Q Operating LLCActiveEnhanced recovery23.4K6003,502–3,563May 6, 1998
Byrd #9M. E. Operating & Services, Inc.ActiveEnhanced recovery23.2K4003,762–3,786Nov 2, 1992
Jones -G- #5Grayrock Energy II, LLCActiveEnhanced recovery22.7K1,0004,393–4,750Apr 10, 2023
East Frankirk (Canyon Sand) Unit #1911L.C.S. Production CompanyActiveEnhanced recovery22.7K5004,192–5,151Oct 19, 2015
West Flowers Unit #19Grayrock Energy II, LLCActiveEnhanced recovery22.2K1,0004,230–4,435May 26, 2010
Bissett,n(parfet,strawn,lwr)unit #9WISojourner Drilling CorporationActiveEnhanced recovery21K6005,458–5,462Oct 30, 1998
Anderson '18' #618Scout Energy Management LLCActiveEnhanced recovery21K2,5004,510–4,540Mar 1, 2016
Smith, Lee, Etal #86Tacor Resources IncActiveEnhanced recovery20.9K1,0004,450–4,939Jan 2, 2014
Ferguson #4WIScout Energy Management LLCActiveEnhanced recovery20.8K1,0004,775–6,500Feb 8, 2011
Gillum A #8L.C.S. Production CompanyActiveEnhanced recovery20.6K3504,194–4,253Sep 15, 1992
Katz (Strawn) Unit #304Atlas Operating LLCActiveEnhanced recovery20.1K10,0004,800–5,600Jun 17, 2014
Northwest Sagerton Unit #3Sojourner Drilling CorporationActiveEnhanced recovery18.9K4505,014–5,015May 28, 1997
McMillin (Canyon Sand) Unit #1L.C.S. Production CompanyActiveEnhanced recovery18.7K5004,192–5,151Feb 18, 2016
Flowers /Canyon Sand/ Unit #388WCitation Oil & Gas Corp.ActiveEnhanced recovery18.4K1,5004,000–4,500Jul 20, 2011
Rennels #2Sojourner Drilling CorporationActiveDisposal17.9K10,0003,044–3,052Nov 28, 2018
West Flowers Unit #29WGrayrock Energy II, LLCActiveEnhanced recovery17.8K1,0004,189–4,450Dec 28, 2015
Jones -G- #1Grayrock Energy II, LLCActiveEnhanced recovery17.4K2504,550–4,675—
McMillin (Canyon Sand) Unit #16L.C.S. Production CompanyActiveEnhanced recovery16.8K5004,192–5,151Feb 5, 2016
Flowers /Canyon Sand/ Unit #361Citation Oil & Gas Corp.ActiveEnhanced recovery14.8K1,0004,000–4,350Feb 6, 2014
Pruitt (Tannehill) Unit #3012Quatro Oil and Gas, Inc.ActiveEnhanced recovery13.7K6003,340–3,440Jul 17, 2001
Smith, Lee, Etal #7Tacor Resources IncActiveEnhanced recovery12.5K1,0004,550–4,955Jul 3, 2012
Flowers /Canyon Sand/ Unit #327WCitation Oil & Gas Corp.ActiveEnhanced recovery12.4K1,5004,000–4,500Jul 9, 2010
McMeans #6Presley Prod Investments, LLCActiveEnhanced recovery12.1K2,5003,568–3,662Jul 25, 2013
Alexander Estate #11XLaneer Resources CompanyActiveEnhanced recovery12K2254,824–4,850Sep 28, 2010
Moyers #1D.K.D.ActiveDisposal11K6,0003,200–3,620May 20, 2013
East Frankirk (Canyon Sand) Unit #1901L.C.S. Production CompanyActiveEnhanced recovery10.8K5004,192–5,151Oct 19, 2015
Brinkley "A" #9Grayrock Energy II, LLCActiveEnhanced recovery10.7K1,0003,800–4,300Aug 29, 2011
Mitchell, Jack #1 AClear Fork, IncorporatedActiveDisposal8.28K2003,317–3,329Sep 15, 2014
Brinkley "A" #8WGrayrock Energy II, LLCActiveEnhanced recovery7.47K1,0003,911–4,300Mar 10, 2011
Bissett "60" #2WIIS Energy, LLCActiveEnhanced recovery6.47K5,0005,448–6,052Nov 28, 2016
East Frankirk (Canyon Sand) Unit #17WL.C.S. Production CompanyActiveEnhanced recovery6.23K5004,192–5,151Jul 27, 2016
Anderson-Clearfork #218Scout Energy Management LLCActiveEnhanced recovery6.22K2,5004,300–4,750Oct 22, 2013
Bubela-Wendeborn #1R3 Operating CorporationActiveEnhanced recovery6.07K2,0005,976–6,036Mar 12, 2015
Boyd Conglomerate Unit #31Williams, A. OilActiveEnhanced recovery5.63K6006,046–6,077May 28, 1980
Brinkley "A" #2Grayrock Energy II, LLCActiveEnhanced recovery5.26K1,0003,881–4,300Mar 10, 2011
Katz (Strawn) Unit #142AAtlas Operating LLCActiveEnhanced recovery5.15K10,0004,761–5,447Oct 22, 2014
Boyd Conglomerate Unit #21WWilliams, A. OilActiveEnhanced recovery5.12K6006,031–6,085May 28, 1980
Albritton #3J & M SWD, LLCActiveDisposal5.03K1,5002,640–2,662May 5, 2003
Henkel, H. A., Etal #22L.C.S. Production CompanyActiveEnhanced recovery4.46K1,0004,278–4,362Apr 14, 2014
Boyd Conglomerate Unit #28Williams, A. OilActiveEnhanced recovery4.06K—5,950Jun 26, 1984
Ferguson #6Scout Energy Management LLCActiveEnhanced recovery3.71K1,0004,851–4,857Mar 20, 2017
Alexander Estate #4XLaneer Resources CompanyActiveEnhanced recovery3.21K2254,848–4,865Sep 28, 2010
East Frankirk (Canyon Sand) Unit #2005L.C.S. Production CompanyActiveEnhanced recovery3.05K5004,192–5,151Oct 19, 2015
Anderson Estate 273 #5D.J. & T. EnergyActiveEnhanced recovery2.99K3003,494–3,504Nov 27, 2000
Smith, I. E. #13L.C.S. Production CompanyActiveEnhanced recovery2.8K5004,381–4,450Jan 24, 2008
Katz (Strawn) Unit #452Atlas Operating LLCActiveEnhanced recovery2.43K10,0004,750–5,600May 19, 2014
Baugh #2Canan Mowrey Operating, LLCActiveEnhanced recovery2.25K4,0004,960–5,060May 30, 2025
McMillin (Canyon Sand) Unit #604L.C.S. Production CompanyActiveEnhanced recovery1.96K5004,192–5,151Oct 20, 2018
Cumbie #2MWL Energy LLCActiveDisposal1.7K3002,923–2,935Dec 10, 2008
Martin, A.D. #12MWL Energy LLCActiveEnhanced recovery1.53K5002,860–2,890Sep 11, 2012
Flowers /Canyon Sand/ Unit #376WCitation Oil & Gas Corp.ActiveEnhanced recovery1.19K1,5004,000–4,500Jul 20, 2011
Alexander Estate #7XLaneer Resources CompanyActiveEnhanced recovery9502254,795–4,814Sep 28, 2010
Pruitt (Tannehill) Unit #306Quatro Oil and Gas, Inc.ActiveEnhanced recovery8831,0003,300–3,390Nov 22, 2002
Pruitt (Tannehill) Unit #304Quatro Oil and Gas, Inc.ActiveEnhanced recovery8036003,250–3,384Mar 6, 1998
Katz (Strawn) Unit #272AAtlas Operating LLCActiveEnhanced recovery68010,0004,788–5,470Jul 14, 2014
Pruitt (Tannehill) Unit #303Quatro Oil and Gas, Inc.ActiveEnhanced recovery5856003,300–3,400Jul 17, 2001
Pruitt (Tannehill) Unit #504Quatro Oil and Gas, Inc.ActiveEnhanced recovery5711,0003,294–3,385Nov 22, 2002
McMeans #5Presley Prod Investments, LLCActiveDisposal4742003,070–3,094Aug 3, 1977
Pruitt (Tannehill) Unit #3014Quatro Oil and Gas, Inc.ActiveEnhanced recovery4196003,340–3,436Mar 6, 1998
Alexander Estate #15XLaneer Resources CompanyActiveEnhanced recovery372254,795–4,803Sep 28, 2010
Katz South Disposal Wells #3741Kinder Morgan Production Co LLCActiveEnhanced recovery—18,0004,900–6,550Jul 20, 2018
Katz (Strawn) Unit #130Atlas Operating LLCActiveEnhanced recovery—10,0004,776–5,466Oct 22, 2014
Katz (Strawn) Unit #152Atlas Operating LLCActiveEnhanced recovery—10,0004,763–5,444Jan 3, 2014
Katz (Strawn) Unit #132Atlas Operating LLCActiveEnhanced recovery—10,0004,760–5,457Apr 8, 2014
Katz (Strawn) Unit #262Atlas Operating LLCActiveEnhanced recovery—10,0004,782–5,466Aug 6, 2014
Katz (Strawn) Unit #180Atlas Operating LLCActiveEnhanced recovery—10,0004,769–5,446Oct 3, 2014
Katz (Strawn) Unit #182Atlas Operating LLCActiveEnhanced recovery—10,0004,763–5,445Oct 21, 2014
Katz (Strawn) Unit #242Atlas Operating LLCActiveEnhanced recovery—10,0004,881–5,515Jul 14, 2014
Katz (Strawn) Unit #402Atlas Operating LLCActiveEnhanced recovery—10,0004,784–5,450Apr 8, 2014
Katz (Strawn) Unit #306Atlas Operating LLCActiveEnhanced recovery—10,0004,866–5,205Jul 14, 2014
Katz (Strawn) Unit #326Atlas Operating LLCActiveEnhanced recovery—10,0004,794–5,469May 14, 2014
Katz (Strawn) Unit #322Atlas Operating LLCActiveEnhanced recovery—10,0004,822–5,530Mar 15, 2022

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 Sep 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.