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 115 active injection and disposal wells, 28 of them permitted for disposal, with 41,129 barrels a day of permitted capacity.

Operators reported 1.6 million barrels injected on H-10 filings in the twelve months to September 2025, down 2% on the year before, about 11% of what the permits allow.

Grayrock Energy II, LLC is the largest injector in the county, with 371,461 barrels reported across 2 active wells.

115
active injection wells, 28 for disposal
41.1K
bbl/d permitted capacity
1.63M
bbl reported, H-10 year to Sep 2025 -2%
11%
of permitted capacity used
1,244
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO SEP 2025

Last 12 months 1,626,702 · prior 12 1,657,774(-2%)

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, LLC371K22K
Adenryen, Ltd. Co.252K42.05K
Nosivad Oil, Inc.198K21.1K
Braka Operating, L.L.C.156K12K
3 S Production, Inc.89.8K31.19K
Golden Horse Group Corp.73.3K21.7K
BJB Transport LLC64.3K12K
Weaver Global Operating, LLC62.9K21.8K
Wylie Bros. Prod. & Drgl. Co,inc56K7400
D.J. & T. Energy39.9K21.25K
TCS Petroleum Co., LLC39.8K10
Quail Well Service, Inc.35.8K1500
500X Operating LLC34.5K1100
Petex27.7K1400
Tom-Tom Operating, LLC23.7K23K
Midsco22.7K225.8K
Wilson Well Service Inc.15.3K6930
Cyber Enviro-Tech Inc9.85K6900
Merkaz Drilling, LLC8.02K92.22K
Tracker Mineral7.84K21.6K

Injection permits

1,244 UIC PERMITS · 115 ACTIVE · PAGE 4 OF 13

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Hutcheson, Don #2Davis BrothersCanceledEnhanced recovery—4001,891–1,903Jun 4, 1990
Architects #7Davis BrothersCanceledEnhanced recovery—4001,940–1,944Jun 4, 1990
Lytle Gap (Cook Sand) Unit #15WBenson & Schoen Oil Co., Inc.PluggedEnhanced recovery—4001,917–1,938May 15, 1992
Clare (Gray) Unit #122Aop Operating CorporationCanceledEnhanced recovery—4003,850–3,930Aug 16, 1993
Clare (Gray) Unit #123Aop Operating CorporationCanceledEnhanced recovery—4003,870–3,925Aug 16, 1993
Clare (Gray) Unit #124Aop Operating CorporationCanceledEnhanced recovery—4003,850–3,930Aug 16, 1993
Clare (Gray) Unit #222Aop Operating CorporationCanceledEnhanced recovery—4003,830–3,920Aug 16, 1993
Clare (Gray) Unit #421Aop Operating CorporationCanceledEnhanced recovery—4003,840–3,930Aug 16, 1993
Clare (Gray) Unit #423Aop Operating CorporationCanceledEnhanced recovery—4003,820–3,930Aug 16, 1993
Clare (Gray) Unit #424Aop Operating CorporationCanceledEnhanced recovery—4003,840–3,930Aug 16, 1993
Clare (Gray) Unit #425Aop Operating CorporationCanceledEnhanced recovery—4003,820–3,930Aug 16, 1993
Clare (Gray) Unit #623Aop Operating CorporationCanceledEnhanced recovery—4003,810–3,920Aug 16, 1993
Clare (Gray) Unit #624Aop Operating CorporationCanceledEnhanced recovery—4003,700–3,800Aug 16, 1993
Clare (Gray) Unit #625Aop Operating CorporationCanceledEnhanced recovery—4003,730–3,850Aug 16, 1993
Clare (Gray) Unit #721Aop Operating CorporationCanceledEnhanced recovery—4003,680–3,800Aug 16, 1993
Clare (Gray) Unit #722Aop Operating CorporationCanceledEnhanced recovery—4003,690–3,820Aug 16, 1993
Clare (Gray) Unit #626Aop Operating CorporationCanceledEnhanced recovery—4003,800–3,950Aug 16, 1993
Clare (Gray) Unit #627Aop Operating CorporationCanceledEnhanced recovery—4003,780–3,930Aug 16, 1993
McFarlane, J. W. #1323Adenryen, Ltd. Co.PluggedEnhanced recovery—4001,088–1,190Jul 19, 1999
McWilliams 207 #5Quail Well Service, Inc.PluggedDisposal—4001,848–1,853Jul 1, 2009
Brady, C. T. -A- #3Paragon CorporationPluggedEnhanced recovery—4003,251–3,263Apr 17, 1972
Seale, F. L., Trust #22Laco Oil Co.CanceledEnhanced recovery—400895–905May 28, 1970
Franke, W. M. -A- #17Clark, Bruce A.CanceledEnhanced recovery—375350–383Feb 9, 1972
Franke, W. M. -A- #22Clark, Bruce A.CanceledEnhanced recovery—375356–385Feb 9, 1972
Franke, W. M. -A- #29Clark, Bruce A.CanceledEnhanced recovery—375354–364Feb 9, 1972
Franke, W. M. -A- #31Clark, Bruce A.CanceledEnhanced recovery—375348–382—
Franke, W. M. -A- #33Clark, Bruce A.CanceledEnhanced recovery—375312–359Feb 9, 1972
Franke, W. M. -A- #16Clark, Bruce A.CanceledEnhanced recovery—375358–388Feb 9, 1972
Kennard, Mabel #4WReliance TrustsCanceledDisposal—3501,557–1,571Jul 5, 1985
Herr-King Field Unit #2WVan Operating, Ltd.CanceledDisposal—3501,390–1,410Jun 24, 1977
Davis, S. M. #15IpactCanceledEnhanced recovery—350504–520Jun 1, 1988
Davis, S. M. #22Merkaz Drilling, LLCPluggedEnhanced recovery—350519–526Jun 1, 1988
Davis, S. M. #36Merkaz Drilling, LLCPluggedEnhanced recovery—350464–474Jun 1, 1988
Davis, S. M. #42Merkaz Drilling, LLCCanceledEnhanced recovery—350516–526Jun 1, 1988
Parrott, Johnny R. #1Smith Pipe of AbileneCanceledEnhanced recovery—3502,353–2,360Jun 23, 1988
Windham #4Creswell, GeneCanceledEnhanced recovery—3501,167–1,172Nov 16, 1989
Dyer, A. E. Trustee #15P & G OilCanceledEnhanced recovery—3501,222–1,234Nov 16, 1989
Lareata, Martin #1DBlue Oil, Inc.CanceledDisposal—3501,700–1,750Nov 4, 1999
Park-Anderson #1WDLPB Oil CompanyCanceledDisposal—3503,116–3,174Jan 13, 1988
Barton, W.B., -A- #2Southwestern Natural Gas, Inc.PluggedEnhanced recovery—3501,200–1,214Oct 13, 1970
Barton, W.B., -A- #6Southwestern Natural Gas, Inc.PluggedEnhanced recovery—3501,186–1,218Oct 13, 1970
Harris-Barton #1Laco Oil Co.PluggedEnhanced recovery—3501,188–1,190Jul 7, 1966
Willis, G.W. #1Barrett, Arnold & OlgaCanceledEnhanced recovery—3201,764–1,772Jul 6, 1972
Homer Lemay et UX "B" #1Barrett, Arnold & OlgaPluggedEnhanced recovery—3201,794–1,997Jul 6, 1972
Jones Ranch #24Principal Oil Corp.CanceledEnhanced recovery—3033,820–3,850Aug 14, 1991
Berry, Thelma #3AHarris, Billy D.CanceledEnhanced recovery—3001,641–1,655Jan 3, 1978
Edwards, S. E. #7Drum, DeltonCanceledEnhanced recovery—3001,241–1,261—
Odom, Blan -B- #8Tracker MineralCanceledEnhanced recovery—3001,305–1,324Jan 21, 1969
Seale, F. L. Trust -B- #4Tracker MineralCanceledEnhanced recovery—300908–914Nov 18, 1969
Weldon, Edwards -B- #27Ginco Operating Co.PluggedDisposal—3001,253–1,261May 29, 1979
Akers, Gayle Dyer -Q- #3Quail Well Service, Inc.CanceledDisposal—3003,419–3,427Sep 8, 1971
Architects #3Davis BrothersCanceledDisposal—3001,818–1,967Feb 16, 1987
McCulloch #1Cooke OperatingCanceledEnhanced recovery—3001,980Oct 7, 1985
Harris, T. #1Oui Operating Co., Inc.CanceledDisposal—3002,218–2,234Dec 18, 1985
Bailey, W.E. #2H.A.V. Operating Co.CanceledEnhanced recovery—3001,468–1,478Dec 10, 1986
Shirley "B" #2Sweet Texas T Energy LLCCanceledDisposal—300456–462Apr 24, 1987
Snyder "141 A" #1Schkade Bros. Operating CompanyCanceledDisposal—3003,801–3,814Feb 5, 1985
McMillon "91-B" #1Van Operating, Ltd.CanceledDisposal—3004,538–4,565Jul 27, 1987
Williams, R. D. #9Hunter Oil & Gas Co.CanceledEnhanced recovery—300502–545Nov 24, 1987
Montgomery "55" #6WAmen Oil LLCCanceledEnhanced recovery—3002,118–2,129Dec 14, 1987
Watts, Beulah #1Okreek Oil CompanyCanceledDisposal—3003,810–3,820Jan 20, 1989
Gifford-Estes #3Spartan Oil CorporationCanceledDisposal—3001,519–1,525Apr 18, 1988
Loving, P.B. #4Whitt Oil & Gas, Inc.PluggedEnhanced recovery—3001,416–1,422Dec 22, 1989
McFarlane, J. W. -A- #1024DGFurry Oil & Gas, Inc.CanceledDisposal—3001,340–1,370Mar 6, 1990
Edwards, S. E. #5Allegro Operating, Inc.PluggedEnhanced recovery—3001,212–1,238Jan 8, 1991
Snyder, C.B. #1 ASweet Texas T Energy LLCCanceledEnhanced recovery—300779–783Mar 31, 1994
Odom, B. #3Tracker MineralCanceledEnhanced recovery—3001,113–1,129Sep 28, 1993
Blan Odom #3Durango Operating Co., Inc.CanceledEnhanced recovery—3001,113–1,129Sep 28, 1993
Jackson "A" #9Abernathy Auto, Inc.CanceledEnhanced recovery—300833–841Feb 26, 1996
Jackson "D" #16Herd Producing Company, Inc.CanceledEnhanced recovery—300910–920Feb 26, 1996
Jackson "D" #28Herd Producing Company, Inc.CanceledEnhanced recovery—300780–782Feb 26, 1996
Odom, B. #2Tracker MineralCanceledDisposal—3001,100–1,150May 31, 1999
George #6303Spence Energy CompanyPluggedDisposal—300704–716Jun 16, 1999
Harris-Barton #17Ruby Operating Company, IncCanceledEnhanced recovery—3001,102–1,194May 28, 2003
Scott-Barton #1WIIce Well Services, Inc.PluggedEnhanced recovery—3001,093–1,098May 28, 2003
Barton, Tom #2Ruby Operating Company, IncCanceledEnhanced recovery—3001,098–1,210May 28, 2003
Dyer, A. E. -A- #8Quail Well Service, Inc.PluggedDisposal—3003,376–3,379Jun 21, 2006
Snyder 211 #2Quail Well Service, Inc.PluggedDisposal—300782–792Apr 3, 2009
Rudloff, John #8AWilson Well Service Inc.InactiveEnhanced recovery—300346–363Oct 21, 2016
Seale, F. L., Trust #3Laco Oil Co.CanceledEnhanced recovery—300917–923Feb 16, 1970
Seale, F. L., Trust #21Laco Oil Co.CanceledEnhanced recovery—300882–885Feb 16, 1970
Hart Unit #21BJones, A. V. & SonsCanceledEnhanced recovery—3002,070–2,075Dec 16, 1965
Hart Unit #31CJones, A. V. & SonsCanceledEnhanced recovery—3002,050–2,075Dec 16, 1965
Giddens (1900) Unit #402Jones, A. V. & SonsCanceledEnhanced recovery—3001,929–1,935Oct 23, 1967
Giddens (1900) Unit #102Jones, A. V. & SonsCanceledEnhanced recovery—3001,913–1,918Aug 25, 1966
Deep Creek Venture #4Deep Creek Exploration LLCCanceledEnhanced recovery—300315–338Sep 9, 2020
Davis, S. M. #45Merkaz Drilling, LLCInactiveEnhanced recovery—298470–540Dec 22, 2014
Davis, S. M. #33Merkaz Drilling, LLCInactiveEnhanced recovery—298395–470Dec 19, 2014
Davis, S. M. #72Merkaz Drilling, LLCInactiveEnhanced recovery—298445–515Dec 19, 2014
Davis, S. M. #19Merkaz Drilling, LLCPluggedEnhanced recovery—298405–480Dec 22, 2014
Jones Ranch #26Aop Operating CorporationCanceledEnhanced recovery—2933,885–3,930Aug 14, 1991
Wagley, H.T. -D- #1Hix, HaroldCanceledDisposal—2601,787–1,800Jul 20, 1994
Jones Ranch #25Windham ResourcesPluggedEnhanced recovery—2523,875–3,925Aug 14, 1991
Sims, A.M. #4Gregg, Bill J.CanceledDisposal—250720–730Jul 15, 1977
Cooley, Frances -B- #1 BLucky OperatingCanceledEnhanced recovery—2502,592–2,597Aug 30, 1968
Weldon, Edwards -B- #1Ginco Operating Co.CanceledDisposal—2501,286–1,291Jul 13, 1977
Weldon, Edwards -B- #10Ginco Operating Co.PluggedDisposal—2501,294–1,296Jul 13, 1977
Weldon, Edwards -B- #13Ginco Operating Co.PluggedDisposal—2501,291–1,293Jul 13, 1977
Weldon, Edwards -B- #19Ginco Operating Co.PluggedDisposal—2501,297–1,305Jul 13, 1977
Pecan Bayou /Cook Sand/ Unit #4Momentum Operating Co., Inc.PluggedDisposal—2501,840–1,844Jan 13, 1972

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/callahan, documented in the API reference.