Petrora

WATER · REFUGIO COUNTY

Produced water and disposal in Refugio 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 →

Refugio County has 231 active injection and disposal wells, 125 of them permitted for disposal, with 2.1 million barrels a day of permitted capacity.

Operators reported 74 million barrels injected on H-10 filings in the twelve months to June 2025, down 11% on the year before, about 10% of what the permits allow.

Hilcorp Energy Company is the largest injector in the county, with 51 million barrels reported across 143 active wells.

231
active injection wells, 125 for disposal
2.11M
bbl/d permitted capacity
73.5M
bbl reported, H-10 year to Jun 2025 -11%
10%
of permitted capacity used
829
UIC permits on file, all time

Reported injection, by month

H-10 FILINGS · TEN YEARS TO JUN 2025

Last 12 months 73,523,439 · prior 12 82,376,271(-11%)

05M10M2016201720182019202020212022202320242025

Who injects here

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

OperatorReported, bblActive wellsCapacity bbl/d
Hilcorp Energy Company51.4M1431.5M
T-C Oil Company, LLC10.3M47227K
Dorchester Operating Company LLC5.44M13133K
Greta Operating Company LLC2.17M447.5K
South Texas Operating Company1.33M115K
Bent Wing Energy, LLC1.29M417K
Bes, Environmental Services,inc.461K125K
San Isidro Development Co, L. C.350K110K
Dewbre Petroleum Corporation333K22.4K
Allegiant Resources, LLC142K440K
Rising Star Energy Partners II,101K220K
Finaly Resources LLC85.1K13K
Paleo Oil Company LLC77.5K18K
Digital Operating Company LLC24.9K125K
Dallas Petroleum Group, LLC15.4K125K
Paloma Operating, LLC1.9K11K
Devon Energy Production Co, L.P.—14K
2 D Oil & Gas LLC—11K
Salida Exploration, LLC—1800
Magnum Producing, LP—1750

Injection permits

829 UIC PERMITS · 231 ACTIVE · PAGE 7 OF 9

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Tom O'Connor (4150 Ft. Sd.) Unit #W007AHilcorp Energy CompanyCanceledEnhanced recovery—3,0004,158–4,178Apr 27, 2006
Heard, Claude E. et Al #38Hilcorp Energy CompanyInactiveDisposal—3,0004,000–4,200Oct 3, 2005
Tom O'Connor (4150 Ft. Sd.) Unit #W721AHilcorp Energy CompanyCanceledEnhanced recovery—3,0004,060–4,100Nov 6, 2007
Scanio, M #6Paloma Operating, LLCPluggedEnhanced recovery—3,0005,688–6,347Nov 20, 2009
O'Connor, L.W. #2Emerald Oil & Gas LCCanceledDisposal—3,0003,010–4,040Nov 29, 2011
Willow Creek-B- #1T-C Oil Company, LLCPluggedDisposal—3,0006,800–7,680Apr 22, 2013
WLP #99T-C Oil Company, LLCInactiveEnhanced recovery—3,0004,479–4,522Dec 1, 2025
Houghton, J. F. #9Sonora Exploration CorporationCanceledDisposal—2,8003,680–4,110Jun 4, 1974
Fagan Estate -C- #6Rutherford Oil CorporationPluggedDisposal—2,6004,600–4,640Oct 15, 1965
Oconnor, Dennis, Etal -L- #L 22T-C Oil Company, LLCPluggedDisposal—2,5003,700–3,900Aug 27, 1999
Stratman-Ryals #1Petro-Tex Services, Inc.CanceledDisposal—2,5003,530–4,003Aug 31, 1984
Tom Oconnor (5800 SD) Fld. Unit #C444WQuintana Pet. Corp.CanceledDisposal—2,5005,894–5,908—
Tom Oconnor (5800 SD) Fld. Unit #C445WHilcorp Energy CompanyCanceledEnhanced recovery—2,5005,903–5,907—
Tom Oconnor (5800 SD) Fld. Unit #C460WHilcorp Energy CompanyCanceledDisposal—2,5005,867–5,900—
Tom Oconnor (5800 SD) Fld. Unit #Q880WQuintana Pet. Corp.CanceledEnhanced recovery—2,5005,900–5,904—
Shay, Mary A. "A" #2Mueller Engineering Corp.CanceledDisposal—2,5002,960–3,715Mar 30, 1983
Bauer, Mary Claire et Vir #3GHilcorp Energy CompanyCanceledDisposal—2,5003,820–3,850May 1, 1972
Roche, K. D. -E- #6McLeod, George L. Inc.CanceledDisposal—2,5003,855–3,875Jan 10, 1985
Buckley, John -A- #2 APwiCanceledDisposal—2,5004,290–4,300Nov 26, 1986
Tom Oconnor (5800 SD) Fld. Unit #Q802Hilcorp Energy CompanyCanceledEnhanced recovery—2,5005,749–5,777Jan 30, 1986
Tom O'Connor (4150 Ft. Sd.) Unit #W111AHilcorp Energy CompanyPluggedEnhanced recovery—2,5003,900–4,200Sep 15, 2005
Oconnor, Dennis et al -L- #L 19T - C Oil CompanyCanceledDisposal—2,5002,243–2,252Jun 28, 1996
Heard, Fannie V. W. #16Exxon Corp.CanceledDisposal—2,5001,897–1,956Apr 16, 1979
Wood, L. Est #7Cummins & Walker Oil Co., Inc.PluggedDisposal—2,5002,800–3,440Apr 9, 2008
T-C Oil Co.- O'Connor #64T-C Oil Company, LLCInactiveDisposal—2,5003,730–4,000Aug 30, 2011
Rooke South #M 02Rising Star Energy Partners II,CanceledDisposal—2,5004,565–4,756Apr 30, 2012
Tom O'Connor (4150 Ft. Sd.) Unit #3124WAHilcorp Energy CompanyCanceledEnhanced recovery—2,5004,050–4,180May 27, 2014
Tom O'Connor (4150 Ft. Sd.) Unit #3125WAHilcorp Energy CompanyCanceledEnhanced recovery—2,5004,050–4,180May 27, 2014
Tom O'CONNOR(5600 Foot Sand)unit #W334BHilcorp Energy CompanyInactiveEnhanced recovery—2,5005,563–5,577Jan 28, 2020
Oconnor -D- #D 7T - C Oil CompanyPluggedDisposal—2,1003,733–4,100Oct 19, 1973
Heard, Fannie V. W. #8 FExxon Corp.CanceledDisposal—2,0003,565–3,945Jul 25, 1969
Lake Pasture /FT-569/ Field Unit #16Quintana Pet. Corp.CanceledEnhanced recovery—2,0005,700–5,704Aug 16, 1971
Lake Pasture /FT-569/ Field Unit #106DQuintana Pet. Corp.CanceledEnhanced recovery—2,0005,755–5,758Aug 12, 1977
Williams, Maude et al "A" #D 45Hilcorp Energy CompanyCanceledEnhanced recovery—2,0005,734–5,750Mar 8, 1977
Lake Pasture /FT-569/ Field Unit #218Hilcorp Energy CompanyCanceledEnhanced recovery—2,0005,700–5,704—
O'Connor #29T-C Oil Company, LLCPluggedDisposal—2,0003,796–3,806Sep 15, 1992
O'Connor #35DT-C Oil Company, LLCPluggedDisposal—2,0002,350–2,374Nov 3, 1994
Oconnor, Thomas -E- #50Copano CompanyCanceledDisposal—2,0003,700–4,150Mar 17, 1955
Tom Oconnor (5800 SD) Fld. Unit #C428Quintana Pet. Corp.CanceledDisposal—2,0003,915–3,945Sep 14, 1989
Heard, Ira -B- #7Amoco Production CompanyCanceledDisposal—2,0001,710–3,600Jan 27, 1987
Heard, Claud E. et Al #20Hilcorp Energy CompanyPluggedDisposal—2,0003,206–3,232Aug 1, 1979
Oconnor #3T-C Oil Company, LLCPluggedDisposal—2,0002,254–2,314Sep 12, 1994
Oconnor, L. W. #18Emerald Oil & Gas LCCanceledDisposal—2,0004,445–4,550Sep 18, 1979
Heard, A. W. J. Est. #7CTR Petroleum, Inc.PluggedDisposal—2,0005,010–6,223Sep 11, 1992
Marberry #12 DGreat Bay Operations, LLCPluggedDisposal—2,0002,070–2,080Feb 2, 1981
Oconnor, Thomas -A- #78 DQuintana Pet. Corp.CanceledDisposal—2,0001,955–1,993Apr 29, 1981
Heard, Mrs. Fannie V. W. #75Quintana Pet. Corp.CanceledDisposal—2,0003,198–3,222Nov 27, 1978
Shay, Julia, et Al #8Fish Oil Well Servicing Co.CanceledDisposal—2,0003,625–3,665Sep 3, 1976
Houghton, J.F. #12H-M Oil CompanyCanceledDisposal—2,0003,840–4,095Oct 22, 1982
Oconnor #35DT - C Oil CompanyCanceledDisposal—2,0002,350–2,374Nov 3, 1994
Oconnor, Dennis et al -L- #L 20T - C Oil CompanyCanceledDisposal—2,0002,251–2,256Jun 28, 1996
Scanio, M. #2DAcock/Anaqua Operating Co., LPPluggedDisposal—2,0003,652–3,658Jun 14, 2002
Roche #8Wiser Oil Company, TheCanceledDisposal—2,0003,640–3,710Sep 9, 2002
Crews #1DChristopher Oil & Gas IncPluggedDisposal—2,0004,600–4,800Feb 22, 2008
Willow Creek -B- #2T-C Oil Company, LLCPluggedDisposal—2,0004,900–5,200Aug 18, 2010
Willow Creek -B- #4T-C Oil Company, LLCPluggedDisposal—2,0004,100–5,350Oct 19, 2010
Williams, Maude, Etal -A- #D 58Quintana Pet. Corp.CanceledDisposal—2,0005,790–5,800Jun 6, 1969
Lambert, M. F. #93Kovar Operating, LLCPluggedDisposal—1,8003,680–3,900Oct 5, 2000
Shay, Julia, Etal #1 DFish Oil Well Servicing Co.CanceledDisposal—1,8006,197–6,201Sep 13, 1985
Obrien, J. J. #9Eagleford Operating, Inc.CanceledDisposal—1,5003,100–4,000Mar 12, 1973
Lambert, M. F. #103H & D Operating CompanyCanceledDisposal—1,5003,850–3,920Mar 17, 1998
Shay, Julia, et Al #4Fish Oil Well Servicing Co.CanceledDisposal—1,5001,750–1,820Sep 20, 1976
5100 East Sand #1 DAmoco Production CompanyCanceledDisposal—1,5001,700–3,500Jan 20, 1987
Mellon Oil Unit #24T-C Oil Company, LLCPluggedEnhanced recovery—1,5005,730–5,760May 25, 2011
— #7Hewit & DoughertyCanceledDisposal—1,500—Dec 28, 1970
O'Connor, Thomas "A" #71Quintana Pet. Corp.CanceledEnhanced recovery—1,5005,400–5,475Aug 23, 1967
Rooke, P. H. #63Atlantic Richfield CompanyCanceledEnhanced recovery—1,5006,215–6,225Aug 3, 1965
Heard, F. V. W., -A- #5Josey, Lenoir M., Inc.CanceledDisposal—1,2003,470–3,910Aug 22, 1969
Shelly, T. P. #7Laquey, E. C.CanceledDisposal—1,2004,340–4,380Apr 18, 1974
Huff Oil Unit 2 #6Great Bay Operations, LLCPluggedDisposal—1,2002,300–2,600Jan 21, 1994
Welder #2Wiser Oil Company, TheCanceledDisposal—1,2003,960–4,230Nov 3, 1999
FVW Heard #14Humble Oil & Refining Co.CanceledDisposal—1,2003,663–3,683Nov 30, 1964
Mitchell, J. N. #1High Plains Gas Systems, Inc.CanceledDisposal—1,0004,500–4,530Jan 31, 1978
Hynes, James A. -F- #28Sue-Ann Oil & Gas CompanyCanceledDisposal—1,0001,600–1,656Feb 16, 1968
Obrien, J. J., -B- #1Arco Oil & Gas Co.CanceledDisposal—1,0003,438–3,900Feb 17, 1981
T-C Oil Co. -Oconnor #1 DT - C Oil CompanyCanceledDisposal—1,0003,890–3,940Jan 21, 1983
Marberry -A- #3Crimson Exploration Oper., Inc.CanceledDisposal—1,0003,274–3,395Aug 3, 1983
Oconnor, Thos. -C- #57Quintana Pet. Corp.CanceledDisposal—1,0003,401–3,430Mar 22, 1979
O'Connor, M. E. #1 AFreeman, James C.CanceledDisposal—1,0003,602–4,112May 3, 1978
Welder, J.F. Heirs #1B & F Operating Company, Inc.CanceledDisposal—1,0002,800–4,340Nov 29, 1984
Roche, Kathleen D. #2B & F Operating Company, Inc.CanceledDisposal—1,0005,986–6,004Aug 29, 1989
El Oso Cattle Co. #27Dolphin Petroleum, LPCanceledEnhanced recovery—1,0004,240–4,260Jul 14, 1987
Oconnor #62T - C Oil CompanyPluggedDisposal—1,0002,274–2,290Jan 15, 1991
Huff GU 1 #14Frostwood Energy, LLCPluggedDisposal—1,0002,050–2,090Aug 29, 1997
Crews #2Christopher Oil & Gas IncCanceledDisposal—1,0002,890–3,120Jan 13, 1992
Sasse, C.F. #4Bellows Operating Co., L. C.PluggedDisposal—1,0002,176–2,820Apr 16, 2001
Wood, L. Est "C" #5Momentum Energy CorporationPluggedDisposal—1,0003,125–3,131Nov 6, 2001
Jowers, F. #1Cummins & Walker Oil Co., Inc.PluggedDisposal—1,0004,770–5,100Oct 3, 2011
Shelton #1Kebo Oil & Gas, Inc.CanceledDisposal—1,0004,550–4,950Aug 24, 2012
J.M. O'Brien "B" #6FHumble Oil & Refining Co.CanceledDisposal—1,0003,800–3,820Nov 18, 1968
JM Obrien "B" #8Humble Oil & Refining Co.CanceledDisposal—1,0003,960–3,980Oct 9, 1967
Oconnor, Thomas -E- #56Copano CompanyPluggedEnhanced recovery—1,0005,370–5,470May 9, 1969
P. H. Rooke #30Atlantic Richfield CompanyCanceledEnhanced recovery—1,0006,115–6,120Aug 26, 1969
Rooke, P. H. #65UAtlantic Richfield Co.CanceledEnhanced recovery—1,0004,650–4,660Sep 6, 1974
Welder, R. H., Estate -A- #3Texaco Inc.PluggedEnhanced recovery—1,0005,906–5,912Jul 15, 1974
Spikes, Myra #1DExxcel Operating CompanyPluggedDisposal—9001,700–1,750Dec 22, 1976
Hynes, Jamie -a- NCT-2 #4Dinero Oil CorporationCanceledDisposal—9001,540–1,600Jul 31, 1952
Welder, J. et Al #9B & F Operating Company, Inc.CanceledEnhanced recovery—8506,036–6,044Jun 6, 1990
Roche, Kathleen D. #5Wallis Energy, Inc.CanceledEnhanced recovery—8505,974–5,982Jun 6, 1990
Messer, W. H. Jr. et Al #2Cimarron Engineering, LLCPluggedDisposal—7503,640–4,010Jul 15, 1993

Latest disposal drilling permits

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

IssuedPermitOperatorLease / well
Oct 1, 2026919005Rising Star Energy Partners II,Rooke. B.D. SWD #3 39133360
Oct 1, 2026919003Rising Star Energy Partners II,Rooke. B.D. SWD #2 39133359
Oct 1, 2026919001Rising Star Energy Partners II,Rooke. B.D. SWD #1 39133358
Oct 29, 2013772290Basic Energy Services, L.P.Refugio SWD #2 39133086
Jan 15, 1982147541Amoco Production CompanyHeard, Ira "A" #5 D 39100740
Nov 25, 1980100377Texas Oil & Gas Corp.Spikes, Myra "D" #1D 39181785
Nov 21, 1980100125Texas Oil & Gas Corp.Fagan, P. H. Estate "L" #1D 39181782
Mar 21, 198075934Exxon Corp.Heard, J. F. B. #9D 39100868
Mar 12, 198075030Conoco Inc.Welder, J. F. Heirs-R #6 39131161
Mar 3, 198073988Amoco Production CompanyO'Brien, J. M. "A" #6 D 39130189

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/refugio, documented in the API reference.