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 4 OF 9

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Southwest Nena Lucia Unit #802WFDL Operating, LLCPluggedEnhanced recovery—2,5006,972–7,056Apr 24, 1996
Southwest Nena Lucia Unit #1305Sheridan Production Company, LLCPluggedEnhanced recovery—2,5006,700–6,906Feb 5, 2010
Southwest Nena Lucia Unit #2303WFDL Operating, LLCPluggedEnhanced recovery—2,5006,845–7,063Apr 24, 1996
Southwest Nena Lucia Unit #2502WAethon I LPPluggedEnhanced recovery—2,5006,883–7,150Apr 24, 1996
Southwest Nena Lucia Unit #2504WSheridan Production Company, LLCPluggedEnhanced recovery—2,5006,892–7,080Apr 24, 1996
Southwest Nena Lucia Unit #3805WSheridan Production Company, LLCPluggedEnhanced recovery—2,5006,900–7,050Apr 24, 1996
Southwest Nena Lucia Unit #912Oryx Energy CompanyCanceledEnhanced recovery—2,5006,908–6,993Apr 24, 1996
Southwest Nena Lucia Unit #914Oryx Energy CompanyCanceledEnhanced recovery—2,5006,801–6,900Apr 24, 1996
Southwest Nena Lucia Unit #1211WSheridan Production Company, LLCPluggedEnhanced recovery—2,5006,817–6,940Apr 24, 1996
Sanderson #4WCockrell Production Co., Inc.CanceledEnhanced recovery—2,5006,908–7,275Oct 11, 1985
Boyd 'B' #2O'Ryan Oil and GasInactiveDisposal—2,5005,994–6,057Feb 27, 1986
Southwest Nena Lucia Unit #3507FDL Operating, LLCPluggedEnhanced recovery—2,5006,879–6,984Apr 24, 1996
Southwest Nena Lucia Unit #3801Oryx Energy CompanyCanceledEnhanced recovery—2,5006,892–6,950Apr 24, 1996
Southwest Nena Lucia Unit #3117Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,5006,934–7,076Apr 24, 1996
Southwest Nena Lucia Unit #2317FDL Operating, LLCPluggedEnhanced recovery—2,5006,800–7,100Apr 24, 1996
Southwest Nena Lucia Unit #3126FDL Operating, LLCPluggedEnhanced recovery—2,5006,850–7,100Apr 24, 1996
Southwest Nena Lucia Unit #2320Citation Oil & Gas Corp.InactiveEnhanced recovery—2,5006,850–7,100Jun 28, 1996
Group 4000 Unit "B" #43Robertson Resources, Inc.PluggedDisposal—2,5004,004–4,090Jul 29, 1996
Boyd, C. E. #9059Clear Fork, IncorporatedPluggedEnhanced recovery—2,5003,926–4,182Aug 29, 1997
Oxo #2Clear Fork, IncorporatedCanceledDisposal—2,5006,380–6,660Dec 4, 2013
Southwest Nena Lucia Unit #29 3Sun Expl. & Prod. Co.-MidlandCanceledEnhanced recovery—2,5006,850–7,060Jul 17, 1972
Southwest Nena Lucia Unit #38 6Sun Expl. & Prod. Co.-MidlandCanceledEnhanced recovery—2,5006,928–6,996May 27, 1971
Hanks, Billie -A- #7Texaco E & P Inc.CanceledEnhanced recovery—2,3004,741–4,892Dec 1, 1980
Southwest Nena Lucia Unit #1404Oryx Energy CompanyCanceledDisposal—2,2006,850–6,936Sep 7, 1990
Faver #4Anje CorporationCanceledDisposal—2,0003,748–3,992Nov 18, 1975
Sears, May -B- #1Texstar Energy Operators, Inc.CanceledDisposal—2,0003,320–3,630Jun 26, 1986
North Nena Lucia Unit #110Oryx Energy CompanyCanceledEnhanced recovery—2,0006,735–6,807Nov 17, 1966
Southwest Nena Lucia Unit #4802WOryx Energy CompanyCanceledEnhanced recovery—2,0006,944–6,982Feb 9, 1970
Southwest Nena Lucia Unit #910Oryx Energy CompanyCanceledEnhanced recovery—2,0006,756–6,787Feb 9, 1970
Jordan #2Verdad Oil & Gas CorporationCanceledDisposal—2,0004,648–4,970Nov 25, 1980
Gesin, Richard #7Feagan Energy, Inc.CanceledDisposal—2,0005,150–5,300Jul 6, 1982
P. A. S. #1DFredonia Resources Inc.CanceledDisposal—2,0006,539–6,658Jul 25, 1984
Faver, Inl #5Anje CorporationCanceledDisposal—2,0003,558–3,958Apr 22, 1982
Jameson, Jahew "I" #1J V A Operating Company, Inc.CanceledDisposal—2,0004,900–5,000Jan 24, 1986
Lake Sweetwater Strawnodom) Unit #18L.C.S. Production CompanyPluggedEnhanced recovery—2,0005,867–5,891Sep 1, 1989
Southwest Nena Lucia Unit #3509Oryx Energy CompanyCanceledEnhanced recovery—2,0006,775–6,986Oct 20, 1987
Southwest Nena Lucia Unit #3508Oryx Energy CompanyCanceledEnhanced recovery—2,0006,860–6,990Oct 20, 1987
Burwick Estate #2Robertson Resources, Inc.CanceledDisposal—2,0004,606–4,820Jan 13, 1988
Hanks, Billie -A- #11Atlas Operating LLCPluggedEnhanced recovery—2,0004,670–4,835Apr 14, 1969
Hanks, Billie -A- #21Texaco Inc.PluggedEnhanced recovery—2,0003,785–4,500Nov 15, 1971
Whitaker, E. G. #7Scout Energy Management LLCInactiveEnhanced recovery—2,0005,100–5,415Dec 5, 2011
Group 4000 Unit "A" #9AWinchester Energy, LLCPluggedEnhanced recovery—2,0004,062–4,072Apr 20, 1994
Lanier, R.A. #3Sun Expl. & Prod. Co.-AbileneCanceledDisposal—2,0006,900–7,050Feb 5, 1985
Frymire Waterflood Unit #12Cockrell Production Co., Inc.CanceledDisposal—2,0003,400–3,816Apr 20, 1995
Southwest Nena Lucia Unit #2311Oryx Energy CompanyCanceledEnhanced recovery—2,0006,716–6,938Jun 7, 1995
Southwest Nena Lucia Unit #803Sheridan Production Company, LLCPluggedEnhanced recovery—2,0007,000–7,140Mar 28, 1997
Southwest Nena Lucia Unit #917Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,580–6,958Mar 28, 1997
Southwest Nena Lucia Unit #918Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,680–6,983Mar 28, 1997
Southwest Nena Lucia Unit #1215Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,655–6,968Mar 28, 1997
Southwest Nena Lucia Unit #1216Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,740–6,970Mar 28, 1997
Southwest Nena Lucia Unit #1309Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,810–7,112Mar 28, 1997
Southwest Nena Lucia Unit #1409Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,810–7,132Mar 28, 1997
Southwest Nena Lucia Unit #1516Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,880–7,142Mar 28, 1997
Southwest Nena Lucia Unit #1602Citation Oil & Gas Corp.CanceledEnhanced recovery—2,0006,770–6,920Mar 28, 1997
Southwest Nena Lucia Unit #1703Citation Oil & Gas Corp.InactiveEnhanced recovery—2,0007,020–7,100Mar 28, 1997
Southwest Nena Lucia Unit #2204Citation Oil & Gas Corp.InactiveEnhanced recovery—2,0006,980–7,100Mar 28, 1997
Southwest Nena Lucia Unit #2323Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,740–7,076Mar 28, 1997
Southwest Nena Lucia Unit #2324Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,830–7,065Mar 28, 1997
Southwest Nena Lucia Unit #2905Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,710–7,114Mar 28, 1997
Southwest Nena Lucia Unit #3128Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,880–7,042Mar 28, 1997
Southwest Nena Lucia Unit #3129Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,967–7,102Mar 28, 1997
Southwest Nena Lucia Unit #3130Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,900–7,097Mar 28, 1997
Southwest Nena Lucia Unit #3516Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,845–7,071Mar 28, 1997
Southwest Nena Lucia Unit #3830Sheridan Production Company, LLCPluggedEnhanced recovery—2,0006,830–7,011Mar 28, 1997
Southwest Nena Lucia Unit #2005Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,900–7,042Mar 28, 1997
Southwest Nena Lucia Unit #4619Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,900–6,998Mar 28, 1997
Southwest Nena Lucia Unit #2319Citation Oil & Gas Corp.InactiveEnhanced recovery—2,0006,850–7,020Jan 26, 1998
Southwest Nena Lucia Unit #2321Citation Oil & Gas Corp.InactiveEnhanced recovery—2,0006,900–7,070Jan 26, 1998
Southwest Nena Lucia Unit #2325Kerr-McGee Oil & Gas Onshore LLCCanceledEnhanced recovery—2,0006,770–7,130Jan 26, 1998
Southwest Nena Lucia Unit #2403Sheridan Production Company, LLCPluggedEnhanced recovery—2,0006,780–7,080Jan 26, 1998
Mink -A- #2SWVanco Oil & Gas Corp.CanceledDisposal—2,0003,740–4,020Apr 6, 1999
Texaco #1WIPaint Rock Operating, LLCPluggedEnhanced recovery—2,0003,958–4,004Feb 12, 2002
Texaco #1 WIChisholm Operating, Inc.CanceledEnhanced recovery—2,0003,958–4,004Feb 12, 2002
Morrow-Brooks Unit #1APaint Rock Operating, LLCPluggedEnhanced recovery—2,0003,920–4,040Dec 4, 2001
Moore "30' #3Vanco Oil & Gas Corp.CanceledDisposal—2,0003,400–4,700Jul 8, 2005
Lake Trammel Unit #129L.C.S. Production CompanyCanceledDisposal—2,0006,326–6,600Jul 17, 2007
Joe Young #18Scout Energy Management LLCInactiveEnhanced recovery—2,0004,139–4,145Aug 30, 2017
Blackstone #8Cholla Petroleum, Inc.CanceledDisposal—2,0005,418–5,450Oct 24, 2011
Whitaker, E. G. #17WIMid-Con Energy Operating, LLCCanceledEnhanced recovery—2,0005,050–5,750Dec 5, 2011
Whitaker, E. G. #16WIMid-Con Energy Operating, LLCCanceledEnhanced recovery—2,0005,050–5,750Dec 20, 2011
Whitaker, E. G. #15WIMid-Con Energy Operating, LLCCanceledEnhanced recovery—2,0005,050–5,750Dec 28, 2011
McElmurray A H "A #24WIL.C.S. Production CompanyCanceledEnhanced recovery—2,0005,050–5,750Feb 17, 2012
Bond #20WIL.C.S. Production CompanyCanceledEnhanced recovery—2,0005,050–5,750Feb 21, 2012
McElmurray W.W. #25WIL.C.S. Production CompanyCanceledEnhanced recovery—2,0005,050–5,750Feb 21, 2012
Williamson #21WIL.C.S. Production CompanyCanceledEnhanced recovery—2,0005,050–5,750Feb 21, 2012
McElmurray W W #26WIL.C.S. Production CompanyCanceledEnhanced recovery—2,0005,105–5,750Feb 29, 2012
County Line South #1WIL.C.S. Production CompanyCanceledDisposal—2,0005,700–5,812Aug 30, 2012
County Line South #7L.C.S. Production CompanyCanceledEnhanced recovery—2,0005,680–6,000Jan 17, 2013
County Line South #8R2Q Operating LLCInactiveEnhanced recovery—2,0005,700–6,000Jul 11, 2013
Southwest Nena Lucia Unit #1220Citation Oil & Gas Corp.InactiveEnhanced recovery—2,0006,700–7,300Oct 16, 2013
Southwest Nena Lucia Unit #1219Citation Oil & Gas Corp.InactiveEnhanced recovery—2,0006,700–7,890Oct 20, 2013
McElmurray, W. W. #2WDMid-Con Energy Operating, LLCCanceledDisposal—2,0003,000–3,600Oct 21, 2013
Whitaker, E. G. #8WDMid-Con Energy Operating, LLCCanceledDisposal—2,0003,000–3,600Oct 21, 2013
Whitaker, E. G. #5WDMid-Con Energy Operating, LLCCanceledDisposal—2,0003,000–3,600Nov 8, 2013
McElmurray 'CD' #1CScout Energy Management LLCInactiveEnhanced recovery—2,0005,050–5,723Dec 2, 2013
McElmurray, A. H. #1Scout Energy Management LLCInactiveDisposal—2,0003,100–3,350Dec 5, 2013
Little, Jessie #3Mid-Con Energy Operating, LLCCanceledDisposal—2,0003,100–3,400Dec 9, 2013
Simpson, H. D. #2WDMid-Con Energy Operating, LLCCanceledDisposal—2,0003,100–3,500Feb 13, 2014
Bishop #3Cholla Petroleum, Inc.CanceledDisposal—2,0004,200–6,875Feb 2, 2016
Rojean #5Scout Energy Management LLCInactiveEnhanced recovery—2,0005,100–5,150Jun 16, 2016

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.