Petrora

WATER · CALLAHAN COUNTY

Produced water and disposal in Callahan 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 →

Callahan County has 116 active injection and disposal wells, 5 of them permitted for disposal, with 41,629 barrels a day of permitted capacity.

Operators reported 1.7 million barrels injected on H-10 filings in the twelve months to June 2025, up 4% on the year before, about 11% of what the permits allow.

Grayrock Energy II, LLC is the largest injector in the county, with 423,778 barrels reported across 3 active wells.

116
active injection wells, 5 for disposal
41.6K
bbl/d permitted capacity
1.68M
bbl reported, H-10 year to Jun 2025 +4%
11%
of permitted capacity used
1,244
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO JUN 2025

Last 12 months 1,680,440 · prior 12 1,611,416(+4%)

0100K200K300K2016201720182019202020212022202320242025

Who injects here

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

OperatorReported, bblActive wellsCapacity bbl/d
Grayrock Energy II, LLC424K32.5K
Adenryen, Ltd. Co253K42.05K
Nosivad Oil, Inc185K21.1K
Braka Oper, L.L.C146K12K
3 S Prod, Inc89.8K31.19K
Golden Horse Group Corp.74K21.7K
BJB Transport LLC65.8K12K
Weaver Global Operating, LLC63.4K21.8K
Wylie Bros. Prod. & Drgl. Co,inc57.7K7400
D.J. & T. Engy50.9K21.25K
TCS Petro Co., LLC39.7K10
Quail Well Service, Inc35.6K1500
500X Oper LLC33.8K1100
Petex27.5K1400
Midsco23.9K225.8K
Tom-Tom Oper, LLC23.6K23K
Wilson Well Service Inc14.9K6930
Tracker Mineral13.8K21.6K
Whitehall Oper Inc11.5K1250
Merkaz Drilling, LLC8.18K92.22K

Injection permits

1,244 UIC PERMITS · 116 ACTIVE · PAGE 1 OF 13

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Guitar #1Grayrock Energy II, LLCActiveEnhanced recovery214K1,0003,168–3,820May 31, 2016
Hooks Ranch Unit #23Grayrock Energy II, LLCActiveEnhanced recovery199K1,0003,198–3,204Jun 9, 1995
McCollum, C. W. -C- #3Braka Oper, L.L.CActiveEnhanced recovery146K2,0003,210–3,225Apr 26, 1993
McFarlane, J. W. #33Adenryen, Ltd. CoActiveEnhanced recovery143K8501,000–1,010Nov 1, 2019
Barnard #7Nosivad Oil, IncActiveEnhanced recovery142K8001,720–1,850Jul 23, 2012
Milliorn -B- #13 S Prod, IncActiveDisposal74.8K3001,341–1,350Feb 12, 2003
Homer #1BJB Transport LLCActiveEnhanced recovery65.8K2,0003,134–3,782Mar 2, 2004
Boren #4Weaver Global Operating, LLCActiveEnhanced recovery63.4K1,0001,720–1,734Dec 3, 1998
Grant, Clyde E. #4WGolden Horse Group Corp.ActiveEnhanced recovery55.8K1,5003,230–3,283Aug 26, 2011
Barnard #9Nosivad Oil, IncActiveEnhanced recovery43K3001,825–1,845Apr 5, 2002
McFarlane, J. W. #2623Adenryen, Ltd. CoActiveEnhanced recovery40.2K4001,016–1,120Oct 27, 1999
Garfield #25TCS Petro Co., LLCActiveEnhanced recovery39.7K—684Mar 22, 1985
Akers, Gayle Dyer #5Quail Well Service, IncActiveEnhanced recovery35.6K5003,370–3,405Apr 15, 2014
McFarlane, J. W. #2123Adenryen, Ltd. CoActiveEnhanced recovery35.4K4001,262–1,382Jul 19, 1999
Eubank, R. O. #55500X Oper LLCActiveEnhanced recovery33.8K100458–466Oct 30, 1997
McFarlane, J. W. #2423Adenryen, Ltd. CoActiveEnhanced recovery33.6K4001,257–1,388Jul 19, 1999
Bowne "2989" #3PetexActiveDisposal27.5K4003,608–3,616Mar 14, 1986
Mitchell, N. H. #3D.J. & T. EngyActiveEnhanced recovery25.5K5003,285–3,300Jul 18, 1985
Isbell #3D.J. & T. EngyActiveEnhanced recovery25.5K7501,718–1,734Aug 30, 1990
Owens, Ludie H., -C- #2Golden Horse Group Corp.ActiveDisposal18.2K2001,164–1,200May 24, 1966
McDaniel, Wade #H201MidscoActiveEnhanced recovery15.7K150344–383Mar 19, 2012
Snyder-Seales #34Tom-Tom Oper, LLCActiveEnhanced recovery13.9K1,5001,448–1,460Jan 30, 2015
Davis, J. T. Estate #12Wylie Bros. Prod. & Drgl. Co,incActiveEnhanced recovery11.9K200459–467Mar 25, 1991
Davis, J. T. Estate #7 AWylie Bros. Prod. & Drgl. Co,incActiveEnhanced recovery11.8K—538–550Mar 7, 1986
Davis, J. T. Estate #11Wylie Bros. Prod. & Drgl. Co,incActiveEnhanced recovery11.7K100461–467Jun 10, 1981
Jackson -E- #6Whitehall Oper IncActiveEnhanced recovery11.5K250897–904Jul 29, 2008
Davis, Edgar -89- #3Grayrock Energy II, LLCActiveEnhanced recovery11K5003,150–3,200Jul 7, 1989
Windham "164" #1Tracker MineralActiveDisposal10.9K7501,700–1,745Sep 17, 2001
Parsons, I. M. "M" #153 S Prod, IncActiveEnhanced recovery10.6K5003,106–3,110Jul 8, 2020
Snyder-Seales #25Tom-Tom Oper, LLCActiveEnhanced recovery9.78K1,5001,428–1,440May 20, 2014
Morrisett #1Sojourner Drlg. CorpActiveEnhanced recovery6.47K2001,582–1,586Nov 5, 1990
Norvell, Chester #3Wylie Bros. Prod. & Drgl. Co,incActiveEnhanced recovery5.84K50450–456May 24, 1979
Patel #1Abilene American Engy, LLCActiveEnhanced recovery5.83K2001,570–1,677Aug 12, 2024
Norvell, Chester #12Wylie Bros. Prod. & Drgl. Co,incActiveEnhanced recovery5.58K—502Jul 1, 1983
Lowell Johnson #1Momentum Oper Co., IncActiveEnhanced recovery5.47K3003,940–3,980Mar 19, 2021
Norvell, Chester #5Wylie Bros. Prod. & Drgl. Co,incActiveEnhanced recovery5.47K50464–470May 24, 1979
Norvell, Chester #6Wylie Bros. Prod. & Drgl. Co,incActiveEnhanced recovery5.46K—504Jul 1, 1983
Rausch #53 S Prod, IncActiveEnhanced recovery4.38K3901,960–1,980Jan 3, 2014
Bond, E. F. #2AMidscoActiveEnhanced recovery4.05K200344–353Oct 10, 2011
Westerman, C. C. #W 4Wilson Well Service IncActiveEnhanced recovery3.56K200265–290Feb 6, 1970
McDaniel, B. D. #1Landmaster Ptrs, IncActiveOther3.41K301,720–1,730—
Westerman, C. C. #W 3Wilson Well Service IncActiveEnhanced recovery2.98K10315–320Jun 30, 2006
Windham "22" #5Tracker MineralActiveEnhanced recovery2.87K8501,255–1,365Nov 18, 2013
Rudloff, John #9AWilson Well Service IncActiveEnhanced recovery2.83K300346–369Oct 21, 2016
McDaniel, Wade #W 11MidscoActiveOther2.81K150350—
Rudloff, John #10AWilson Well Service IncActiveEnhanced recovery2.6K300294–317Jan 7, 2016
Rudloff, John #3 WWilson Well Service IncActiveEnhanced recovery1.93K60314–335Jun 14, 1991
Alvey Estate #24Cyber Enviro-Tech IncActiveEnhanced recovery1.75K150415–421Oct 27, 2000
Alvey Estate #17Cyber Enviro-Tech IncActiveEnhanced recovery1.65K150411–417Apr 7, 1999
Fred Hart #1J & TG, LLCActiveEnhanced recovery1.64K201,911–1,920Jun 5, 1987
Alvey Estate #20Cyber Enviro-Tech IncActiveEnhanced recovery1.49K150416–422Oct 27, 2000
Rogers "D" #4Anderson ProdActiveEnhanced recovery1.3K—3,238Jul 2, 1986
Alvey Estate #2Cyber Enviro-Tech IncActiveEnhanced recovery1.27K150417–421Jun 30, 1999
Davis, S. M. #23Merkaz Drilling, LLCActiveEnhanced recovery1.09K298450–520Dec 19, 2014
Davis, S. M. #74Merkaz Drilling, LLCActiveEnhanced recovery1.08K250474–544Dec 19, 2014
Davis, S. M. #38Merkaz Drilling, LLCActiveEnhanced recovery1.06K160470–540Dec 22, 2014
Davis, S. M. #92Merkaz Drilling, LLCActiveEnhanced recovery1.03K298390–465Oct 14, 2014
Arrowood, W. A. #W 2Wilson Well Service IncActiveEnhanced recovery1.01K60341–349Jun 19, 1991
McDaniel, Wade #W 5MidscoActiveOther1K150352–375—
Alvey Estate #5Cyber Enviro-Tech IncActiveEnhanced recovery998150414–418Apr 7, 1999
Davis, S. M. #82Merkaz Drilling, LLCActiveEnhanced recovery995220475–545Dec 22, 2014
Franke, Wm. #I 1Simple Operating LLCActiveOther994100345–382—
Davis, S. M. #43Merkaz Drilling, LLCActiveEnhanced recovery990250470–540Dec 22, 2014
Davis, S. M. #83Merkaz Drilling, LLCActiveEnhanced recovery965250465–535Dec 22, 2014
Davis, S. M. #79Merkaz Drilling, LLCActiveEnhanced recovery965200470–540Dec 22, 2014
Franke, Wm. #I 10Simple Operating LLCActiveOther842120315–350Feb 9, 1972
Franke, Wm. #I 5Simple Operating LLCActiveOther747100353–375—
Wagley, Z. C. -B- #2 WClausen, A. GActiveEnhanced recovery739100310–318Apr 23, 1992
Lytle Gap (Cook Sand) Unit #21WMomentum Oper Co., IncActiveEnhanced recovery6324001,891–1,903Jun 4, 1990
Franke, Wm. #I 2Simple Operating LLCActiveOther619100352–354—
Seale, F. L., Trust #17CDJ Oil Company, LLCActiveEnhanced recovery610500880–882May 11, 1990
Wylie,fred Jr. #1AHaskit, KendallActiveEnhanced recovery5512001,796–1,812Jan 19, 1988
Meister #1Crosstex Services, L.L.CActiveEnhanced recovery5475001,787–1,795Jun 9, 1993
Abrams -A- #7Miller, DonnyActiveOther33830460–473Mar 12, 1964
Neumann #5 AClausen, A. GActiveEnhanced recovery9515320–347Sep 6, 1979
Isenhower #10Clausen, A. GActiveEnhanced recovery91100420–428Oct 15, 1991
Isenhower #9Clausen, A. GActiveEnhanced recovery90100428–435Oct 15, 1991
McDaniel, Wade #H202MidscoActiveEnhanced recovery48150358–382Mar 19, 2012
Seale, F. L., Trust #9CDJ Oil Company, LLCActiveEnhanced recovery40300911–914Nov 18, 1969
McDaniel, Wade #W 7MidscoActiveOther36150350—
McDaniel, Wade #W 6MidscoActiveOther33150356–375—
Morgan, S. #8MidscoActiveEnhanced recovery325001,635–1,645Jan 4, 1994
McDaniel, Wade #W 3MidscoActiveOther31150365–375—
McDaniel, Wade #W 13IMidscoActiveOther30150339–376—
McDaniel, Wade #W 12MidscoActiveOther29150350–374—
McDaniel, Wade #W 9MidscoActiveOther29150350—
Morgan, S. #7MidscoActiveEnhanced recovery285001,631–1,640Jan 4, 1994
Isenhower #5Clausen, A. GActiveEnhanced recovery24100426–434Oct 15, 1991
McDaniel, Wade #W 8MidscoActiveOther20150342–366—
Battle, E.R. #6MidscoActiveEnhanced recovery91501,632–1,642Jun 5, 1981
Battle, E.R. #2MidscoActiveEnhanced recovery85001,630–1,634Feb 26, 1996
Battle, E.R. #4MidscoActiveEnhanced recovery85001,622–1,630Feb 26, 1996
Battle, E.R. #5MidscoActiveEnhanced recovery85001,641–1,653Feb 26, 1996
Battle, E.R. #3MidscoActiveEnhanced recovery85001,616–1,630Apr 26, 2005
Battle, E.R. #1MidscoActiveEnhanced recovery65001,637–1,642Apr 26, 2005
George 75 #1Charter Petro CoActiveEnhanced recovery—1,0003,919–3,954Jul 10, 2015
Ramsey, Cal -B- #10M2 Squared Operating, LLCActiveDisposal—400820–869Jan 8, 1999
Davis, S. M. #85Merkaz Drilling, LLCActiveEnhanced recovery—298405–480Dec 22, 2014
Hubbard #3BMomentum Oper Co., IncActiveEnhanced recovery—2502,068–2,111Mar 6, 1991
Sanders, J. #3King Engy ResActiveEnhanced recovery—2002,396–2,398Mar 10, 2004

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/callahan, documented in the API reference.