Petrora

WATER · NOLAN COUNTY

Produced water and disposal in Nolan 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 →

Nolan County has 193 active injection and disposal wells, 67 of them permitted for disposal, with 548,189 barrels a day of permitted capacity.

Operators reported 13 million barrels injected on H-10 filings in the twelve months to September 2025, up 1% on the year before, about 6% of what the permits allow.

Grayrock Energy II, LLC is the largest injector in the county, with 4.0 million barrels reported across 71 active wells.

193
active injection wells, 67 for disposal
548K
bbl/d permitted capacity
12.6M
bbl reported, H-10 year to Sep 2025 +1%
6%
of permitted capacity used
851
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO SEP 2025

Last 12 months 12,583,804 · prior 12 12,505,979(+1%)

01M2M2016201720182019202020212022202320242025

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, LLC4M7185.8K
Scout Energy Management LLC3.87M1771.8K
R2Q Operating LLC1.12M1059.5K
D.K.D.866K563.5K
Clear Fork, Incorporated714K724K
Citation Oil & Gas Corp.433K2961.2K
Daylight Petroleum LLC333K25.5K
Patton, E. N. Oil Company, Inc.322K15K
Double M Petroproperties, Inc.260K28K
Sojourner Drilling Corporation197K317K
Lone Star Operations LLC111K36K
Gungoll, Carl E. Exploration LLC71.3K226.4K
Goodrock Natural Resources, LLC53.9K739.7K
Chisholm Operating, Inc.50.4K11K
Golden Oil and Ranch, LLC47.6K1500
Williams Oil Company28.5K11K
DJ & T Services, LLC24.9K12K
Shaida, John H.16.7K1250
VX Operating, LLC15.2K1500
Nec Operating, LLC14.6K1300

Injection permits

851 UIC PERMITS · 193 ACTIVE · PAGE 8 OF 9

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
South Lake Trammel Unit #12L.C.S. Production CompanyCanceledEnhanced recovery—3005,190–5,251Aug 11, 1983
South Lake Trammel Unit #19L.C.S. Production CompanyCanceledEnhanced recovery—3005,158–5,232Aug 11, 1983
South Lake Trammel Unit #21Betwell Oil & Gas CompanyCanceledEnhanced recovery—3005,156–5,225Feb 9, 1983
South Lake Trammel Unit #22Betwell Oil & Gas CompanyCanceledEnhanced recovery—3005,046–5,244Feb 9, 1983
South Lake Trammel Unit #32Plantation Operating, LLCCanceledEnhanced recovery—3005,239–5,259Nov 29, 1983
Rowan & Hope Southwest Unit #43Williams Oil CompanyCanceledEnhanced recovery—3006,287–6,340Jul 21, 1965
Collins #1Calbro Oil & Gas Inc.CanceledEnhanced recovery—3005,460–5,480Dec 12, 1988
Beene, Tommy H. -A- #2SWJin Petroleum LLCPluggedDisposal—3003,000–3,300Mar 3, 1989
Simmons #1Smith Pipe of AbileneCanceledDisposal—3005,584–5,690Mar 25, 1991
Williamson, M. #3Spheric Petroleum Inc.PluggedDisposal—3002,842–2,849Jun 26, 1991
Lewis #2Chisholm ExplorationPluggedDisposal—3004,914–4,978Apr 20, 1995
Arledge Estate "215" #1WKatsco Energy, Inc.PluggedEnhanced recovery—3005,028–5,035Mar 25, 1996
McDonald #3Enrich Oil CorporationCanceledEnhanced recovery—3007,116–7,150Oct 24, 1997
South Lake Trammel Unit #36Merit Energy CompanyPluggedEnhanced recovery—3005,270–5,283—
South Lake Trammel Unit #47L.C.S. Production CompanyPluggedEnhanced recovery—3005,176–5,261—
Patterson #3Gungoll, Carl E. Exploration LLCPluggedDisposal—3005,504–5,680Mar 23, 2001
Lynch, J. W. #1Kirk, T. A.CanceledEnhanced recovery—3006,033–6,120Jul 19, 1966
Antilley, Frank #3Grimm, Jack F.PluggedEnhanced recovery—3004,848–4,856Aug 9, 1968
Spires, L. R. #1CSun Oil Co., DX Div.CanceledEnhanced recovery—3007,112–7,124Mar 23, 1973
Jaggers, C. L., Estate #6Saxon Oil CompanyPluggedEnhanced recovery—300—Sep 10, 1979
Beckham Tannehill Unit #501Texaco Inc.PluggedEnhanced recovery—2853,540–3,544Dec 21, 1970
Driggers, J. C. #1Mid-America Oil & Gas, Inc.CanceledDisposal—2503,840–4,956Sep 25, 1987
Whitehat Ranch #1Patterson, Ben M., Jr.PluggedEnhanced recovery—2504,062–4,078Jul 28, 1988
Whitehat Ranch #2Patterson, Ben M., Jr.PluggedEnhanced recovery—2504,089–4,107Jun 28, 1991
Cooper J.B. #2Sun Expl. & Prod. Co.-AbileneCanceledDisposal—2004,214–4,352Jun 30, 1978
Lake Trammel Unit #22Brothers Operating Company Inc.CanceledEnhanced recovery—2005,250–5,294Oct 2, 1980
Lake Trammel Unit #33Brothers Operating Company Inc.CanceledEnhanced recovery—2005,248–5,336Oct 2, 1980
Lake Trammel Unit #86Merit Energy CompanyPluggedEnhanced recovery—2005,050–5,227Oct 2, 1980
Sweetwater /Canyon Sand/ Unit #33Canyon Resources, IncCanceledEnhanced recovery—2005,234–5,266Feb 9, 1982
Fitzgerald #3Wylie, Jerry E. Oil Drilling Co.CanceledDisposal—2003,855–3,870Oct 25, 1983
Moore #3Heart Land Petroleum CorporationCanceledDisposal—2004,612–4,740Oct 18, 1985
Stewman Ranch #7Enrich Oil CorporationCanceledEnhanced recovery—2007,189–7,220Oct 20, 1997
Sliger, G. B. #3 UAndalucia Oil CompanyPluggedDisposal—2005,153–5,162Apr 6, 1967
Rayburn, H. F. #2Sun Exploration & Production Co.CanceledEnhanced recovery—2005,971–5,981Apr 27, 1964
Beckham #1Walsh & Watts, Inc.CanceledDisposal—1553,270–3,330Apr 18, 1968
Nabers, R. D. #3Hancock, J. D., TrusteeCanceledDisposal—1505,600–5,630Mar 25, 1968
Sweetwater /Canyon Sand/ Unit #41Canyon Resources, IncCanceledEnhanced recovery—1505,134–5,147Aug 25, 1971
Sweetwater /Canyon Sand/ Unit #42Canyon Resources, IncCanceledEnhanced recovery—1505,045–5,136Aug 25, 1971
Michaels #3 DAdkins, R. L. Corp.CanceledDisposal—1503,632–3,690Sep 22, 1981
Arledge, J. W. Jr. Est. #2AHarvey, Mike W. Oil & GasCanceledDisposal—1502,690–2,740Dec 6, 1985
Nabers, R. D. #2Hancock, J. D., TrusteeCanceledDisposal—1504,500–4,800Oct 15, 1963
Davis "145-S" #3Cockrell Production Co., Inc.PluggedEnhanced recovery—1503,963–3,968Jan 24, 1992
Davis #4Cockrell Production Co., Inc.PluggedEnhanced recovery—1503,964–3,970Jan 24, 1992
TXL #2Trek Resources, Inc.CanceledDisposal—1504,101–4,116Feb 5, 2001
Walls, Ruth #1Bridwell Oil Co.CanceledDisposal—1004,496–4,514Apr 12, 1978
Sweetwater /Canyon Sand/ Unit #52Pgi Operating, LLCPluggedEnhanced recovery—1005,082–5,172Jul 6, 1993
Chinquapin Strawn Unit #24Pendragon Oil Co.PluggedDisposal—1005,146–5,167Mar 28, 1979
Wilson, Wm. B., Etal -A- #2Keith & MazurPluggedEnhanced recovery—1005,172–5,182Oct 30, 1967
Group 4000 Unit "A" #16BWinchester Energy, LLCInactiveEnhanced recovery—1003,950–4,050May 20, 2021
Ussery, Urcy M. #5DKinlaw Oil CorporationCanceledDisposal—702,173–5,703Dec 13, 1962
Davis, W.W. #3St. Clair Energy CorporationCanceledDisposal—603,240–3,250May 31, 1995
Williams/Patton Trusts #2Sweetwater Drilling Co., Inc.CanceledDisposal—505,898–5,906Feb 25, 1987
Sweet, Louis Etal #2Jordan, R. H.PluggedEnhanced recovery—504,000–4,030Jan 27, 1977
Tatum Est. #1Moore, Rex R., Jr.PluggedEnhanced recovery—306,344–6,394Sep 22, 1969
Carpenter, E. H. #1Owens, Sherwood B.CanceledEnhanced recovery—305,185Jun 14, 1966
Sliger, G. B. #2WChan West Oil CorporationCanceledEnhanced recovery—155,004–5,008Jan 14, 1986
Beckham Tannehill Unit #104Texaco Inc.CanceledEnhanced recovery———Oct 20, 1970
Beckham Tannehill Unit #201Texaco Inc.PluggedEnhanced recovery———Oct 20, 1970
Beckham Tannehill Unit #301Texaco Inc.PluggedEnhanced recovery———Oct 20, 1970
Beckham Tannehill Unit #304Texaco Inc.PluggedEnhanced recovery———Oct 20, 1970
Beckham Tannehill Unit #801Texaco Inc.PluggedEnhanced recovery———Oct 20, 1970
Beckham Tannehill Unit #1003Texaco Inc.PluggedEnhanced recovery———Oct 20, 1970
Coda Whiteaker #6Texaco Inc.PluggedDisposal——4,650—
Ussery Urcy Mae #2DSubsurface Specialty Co., Inc.CanceledDisposal————
TXL -A- #2National Coop Refinery AssocCanceledDisposal——2,704—
Boyd -B- #22Texaco Producing Inc.CanceledDisposal——4,127Nov 5, 1980
Boyd -C- #6Texaco Inc.PluggedDisposal——5,750—
Boyd -C- #7Texaco Inc.CanceledDisposal———Jun 14, 1971
Boyd -C- #9Texaco Inc.CanceledDisposal———Jun 14, 1971
Boothe #2Cities Service Oil & Gas Corp.CanceledDisposal——6,082—
Group 4000 Unit #18Schneider Energy Exploration,incPluggedDisposal————
Group 4000 Unit #26Schneider Energy Exploration,incPluggedDisposal————
Group 4000 Unit #36D. A. B. Oil Service, Inc.CanceledDisposal————
Cochran Est. #7Foree & GuffeyPluggedEnhanced recovery————
Killgore, C. B. #1Samson Resources CompanyCanceledDisposal————
Hanks, Billie -A- #11Texaco Inc.CanceledDisposal——4,670—
Michaels #3DK-Dab Oil CompanyCanceledDisposal——3,784—
Wilks, J. G. #1 DNueve Operating Co. of TexasCanceledDisposal——3,678—
Jesse #1Nueve Operating Co. of TexasCanceledDisposal——3,582—
Sears #1 SNueve Operating Co. of TexasCanceledDisposal——3,613—
Lake Sweetwater Strawnodom) Unit #1WSPetranol America Inc.CanceledEnhanced recovery——3,488–3,744—
South Lake Trammel Unit #29Allegro Operating, Inc.CanceledEnhanced recovery——5,172–5,212Nov 6, 1970
Lake Trammel Unit #26U.S. Capital Corp.of America,incPluggedEnhanced recovery———Jul 18, 1961
Lake Trammel Unit #41U.S. Capital Corp.of America,incPluggedEnhanced recovery———Jul 17, 1961
Lake Trammel Unit #91U.S. Capital Corp.of America,incPluggedEnhanced recovery————
Spires, L. R. -D- #1 CMidland Resources, Inc.CanceledDisposal——663—
North Nena Lucia Unit #5Wagner, Duer & Co.CanceledEnhanced recovery————
North Nena Lucia Unit #4BWagner, Duer & Co.CanceledEnhanced recovery———Nov 8, 1961
North Nena Lucia Unit #91Wagner, Duer & Co.CanceledEnhanced recovery————
North Nena Lucia Unit #107Wagner, Duer & Co.CanceledEnhanced recovery———Nov 8, 1961
North Nena Lucia Unit #109Wagner, Duer & Co.CanceledEnhanced recovery———Nov 8, 1961
Southwest Nena Lucia Unit #102Sun Expl. & Prod. Co.-AbileneCanceledDisposal———Jan 1, 1962
Southwest Nena Lucia Unit #1205WOryx Energy CompanyCanceledDisposal——6,890Dec 15, 1986
Southwest Nena Lucia Unit #1303Oryx Energy CompanyCanceledDisposal———Jan 1, 1962
Southwest Nena Lucia Unit #2002WOryx Energy CompanyCanceledDisposal——6,890Dec 15, 1986
Southwest Nena Lucia Unit #2103WOryx Energy CompanyCanceledDisposal———Jan 1, 1962
Southwest Nena Lucia Unit #2301WOryx Energy CompanyCanceledDisposal———Jan 1, 1962
Southwest Nena Lucia Unit #3101WOryx Energy CompanyCanceledDisposal———Jan 1, 1962
Southwest Nena Lucia Unit #3503WOryx Energy CompanyCanceledDisposal———Jan 1, 1962
Southwest Nena Lucia Unit #916Oryx Energy CompanyCanceledDisposal———Jan 1, 1962

Latest disposal drilling permits

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

IssuedPermitOperatorLease / well
Apr 18, 2023889364D.K.D.Roscoe SWD #1 35333746
Dec 15, 2015812533Cinnabar Operating, LLCBrooks Ranch SWD #1D 35332304
Jul 28, 2015808692Santa Rita Holdings, LLCCox SWD #1 35333575
Jun 1, 1981119677A & a Transports, Inc.Sears, Lance "A" #1 D 35330140
Oct 17, 197960929Price, W. H.Whiteside #2D 35330739

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/nolan, documented in the API reference.