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 6 OF 9

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Tom Oconnor (5800 SD) Fld. Unit #C220Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,841–5,850Jun 14, 1989
Tom Oconnor (5800 SD) Fld. Unit #N217Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,842–5,852Jun 14, 1989
Lambert, M.F. #H 64Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,860–5,873Jul 26, 1989
Tom Oconnor (5800 SD) Fld. Unit #H066Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,840–5,855Jul 26, 1989
O'Connor, Thomas -A- #13Hilcorp Energy CompanyCanceledDisposal—5,0005,794–5,804Sep 1, 1989
Lambert Gas Unit #71Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,887–5,909Sep 27, 1989
O'Brien, J. M. 'A' #10Dewbre Petroleum CorporationCanceledDisposal—5,0002,925–2,980Jun 5, 1992
Tom Oconnor (5800 SD) Fld. Unit #Q011Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,770–5,783Jul 13, 1990
O'Connor, Thomas 'A' #19Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,740–5,749Jul 13, 1990
Tom Oconnor (5800 SD) Fld. Unit #N203Quintana Pet. Corp.CanceledEnhanced recovery—5,0005,796–5,810Aug 30, 1990
Tom Oconnor (5800 SD) Fld. Unit #N208Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,777–5,792Aug 30, 1990
Tom Oconnor (5800 SD) Fld. Unit #N202 UHilcorp Energy CompanyPluggedEnhanced recovery—5,0005,784–5,801Dec 10, 1990
Lake Pasture /FT-569/ Field Unit #1110 FHilcorp Energy CompanyCanceledEnhanced recovery—5,0005,696–5,710Feb 19, 1991
Owt #1DOil Waste Treatment, Inc.CanceledDisposal—5,0002,500–3,100Nov 10, 1992
Oconnor #E 4T - C Oil CompanyPluggedDisposal—5,0002,231–2,237Jun 8, 1995
Hynes #7Magnum Producing, LPPluggedDisposal—5,0003,660–4,860Jan 22, 1996
Tom Oconnor (5800 SD) Fld. Unit #J101Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,938–5,954Mar 12, 1996
Tom Oconnor (5800 SD) Fld. Unit #Q231Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,684–5,708Mar 12, 1996
Obrien, J. M., -A- #3Amoco Production CompanyCanceledDisposal—5,0003,546–3,606Jul 19, 1979
Tom Oconnor (5800 SD) Fld. Unit #Q228Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,700–5,770Sep 24, 1999
Tom Oconnor (5800 SD) Fld. Unit #Q415Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,800–5,870Sep 24, 1999
Tom O'Connor (5730 Ft. Sd.) Unit #C 6AHilcorp Energy CompanyCanceledEnhanced recovery—5,0005,945–5,980Apr 8, 2016
Refugio SWD #1SDBasic Energy Services, L.P.PluggedDisposal—5,0004,100–4,800Oct 23, 2001
Tom Oconnor (5800 SD) Fld. Unit #Q841Hilcorp Energy CompanyInactiveEnhanced recovery—5,0005,800–5,850Nov 6, 2001
O'Connor, Thomas "A" #10Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,400–5,800Sep 3, 2010
O'Connor, Thomas "A" #20AHilcorp Energy CompanyCanceledEnhanced recovery—5,0005,710–5,730Mar 4, 2002
Tom O'Connor (5730 Ft. Sd.) Unit #C 5Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,880–5,930May 20, 2002
Tom O'Connor (5730 Ft. Sd.) Unit #B 17Hilcorp Energy CompanyCanceledEnhanced recovery—5,0005,820–5,850Jun 6, 2003
La Rosa Unit #40Remora Management, LLCPluggedDisposal—5,0004,520–5,630Aug 11, 2003
Tom O'Connor (5730 Ft. Sd.) Unit #A 71Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,800–5,840May 13, 2004
O Connor, Thos. -B- #15Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,000–5,730Apr 20, 2010
Tom O'Connor (5730 Ft. Sd.) Unit #A 12AHilcorp Energy CompanyInactiveEnhanced recovery—5,0005,795–5,826Feb 19, 2009
Ramirez #1Willco Services, Inc.CanceledDisposal—5,0003,780–4,140May 20, 2009
Tom O'CONNOR(5600 Foot Sand)unit #W209BHilcorp Energy CompanyCanceledEnhanced recovery—5,0004,050–4,200Jun 18, 2018
Tom O'CONNOR(5600 Foot Sand)unit #W360BHilcorp Energy CompanyCanceledEnhanced recovery—5,0004,300–5,700Jan 25, 2010
Mellon Oil Unit #21T-C Oil Company, LLCPluggedDisposal—5,0003,640–4,100May 18, 2010
Mellon Oil Unit #23T-C Oil Company, LLCPluggedDisposal—5,0003,665–4,100May 18, 2010
O Connor, Thos. -B- #18Hilcorp Energy CompanyPluggedEnhanced recovery—5,0005,700–5,710Jan 18, 2011
O'Connor -H- #21T-C Oil Company, LLCPluggedDisposal—5,0003,450–3,580Dec 16, 2013
WLP #15T-C Oil Company, LLCInactiveEnhanced recovery—5,0004,520–4,568Jun 13, 2014
WLP #23T-C Oil Company, LLCInactiveEnhanced recovery—5,0004,520–4,562Dec 15, 2014
Heard, F. V. W. #35Dorchester Operating Company LLCInactiveEnhanced recovery—5,0004,300–4,500Nov 30, 2022
Obrien, J. M. -B- #203Exxon Corp.CanceledDisposal—4,6003,798–3,838Feb 18, 1994
Niemann, Emil #6Mission River Systems, Inc.CanceledDisposal—4,5003,650–4,060Mar 22, 1973
Heard, Ira -A- #5Amoco Production CompanyCanceledDisposal—4,5001,925–1,975Jan 21, 1982
Oconnor, Mary Ellen #31Dolphin Petroleum, LPCanceledDisposal—4,5001,800–3,900Oct 22, 1982
O'Conner, Mary Ellen #45Dolphin Petroleum, LPPluggedDisposal—4,5001,800–4,050Nov 4, 2002
Schirmer, Henry #11Christopher Oil & Gas IncCanceledDisposal—4,3003,650–3,952Jan 23, 1990
Reilly, W. J., Etal #1Kovar Operating, LLCPluggedDisposal—4,2004,135–4,400Mar 25, 1998
Houghton #4H-M Oil CompanyCanceledDisposal—4,0003,630–4,090May 11, 1973
Lambert, M. F. #6AKovar Operating, LLCPluggedDisposal—4,0003,550–3,900Apr 2, 1975
Lambert, M. F. #H 19Hilcorp Energy CompanyPluggedDisposal—4,0003,600–4,000Oct 8, 1991
Obrien, J. M., -D- & -E- #E 2Chilton EnergyCanceledDisposal—4,0003,500–3,800Nov 14, 1980
Obrien, J.M. #35LPrimrose Operating CompanyCanceledDisposal—4,0003,165–3,215Sep 16, 1987
Roche, K. D. -A- #33Kovar Operating, LLCPluggedDisposal—4,0004,570–4,900Jun 26, 2017
Oconnor, Thomas -E- #67Copano CompanyCanceledEnhanced recovery—4,0005,878–5,886Sep 28, 1981
Williams, Maude et al -A- #2GQuintana Pet. Corp.CanceledDisposal—4,0003,594–3,786Jan 10, 1969
Tom Oconnor (5800 SD) Fld. Unit #Q801SDQuintana Pet. Corp.CanceledDisposal—4,0003,378–3,410Oct 14, 1977
Lambert, M. F. #G 3H & D Operating CompanyPluggedDisposal—4,0003,766–3,955Jul 29, 1992
Oconnor -D- #D 25T - C Oil CompanyCanceledDisposal—4,0006,520–6,750Nov 21, 1980
Oconnor, Thomas -E- #33Copano CompanyCanceledEnhanced recovery—4,0005,827–5,834Sep 28, 1981
Oconnor -D- #D 3T - C Oil CompanyCanceledDisposal—4,0003,835–3,865Oct 28, 1988
Heard, Ira -B- #8Quintana Pet. Corp.CanceledDisposal—4,0002,200–3,500Jan 31, 1995
J. M. O'Brien 'A' #7Dewbre Petroleum CorporationCanceledDisposal—4,0004,352–4,395Sep 2, 1998
Tom Oconnor (5800 SD) Fld. Unit #C413Quintana Pet. Corp.CanceledDisposal—4,0003,600–3,830Sep 8, 1992
Tom Oconnor (5800 SD) Fld. Unit #Q327Hilcorp Energy CompanyCanceledEnhanced recovery—4,0005,718–5,730Feb 17, 1998
Tom Oconnor (5800 SD) Fld. Unit #Q331Hilcorp Energy CompanyCanceledEnhanced recovery—4,0005,743–5,772Feb 17, 1998
Williams, Maude, et al -A- #58Hilcorp Energy CompanyCanceledEnhanced recovery—4,0005,485–5,510Jul 10, 2003
Lambert, M. F. #38DH & D Operating CompanyCanceledDisposal—3,5003,125–3,475Jun 5, 1992
Lambert, Mary F. -A- #5Exxon Corp.CanceledDisposal—3,5003,880–4,010Jan 14, 1977
Williams, Maude, Etal -A- #32Quintana Pet. Corp.CanceledDisposal—3,5003,611–3,982Aug 9, 1984
Heard, Fannie V. W., Mrs. #48Hilcorp Energy CompanyInactiveEnhanced recovery—3,5005,640–5,770Nov 5, 2019
Oconnor, Thomas -A- #84Hilcorp Energy CompanyInactiveEnhanced recovery—3,5005,300–5,870Nov 1, 2019
Tom O'Connor (5730 Ft. Sd.) Unit #A 51AHilcorp Energy CompanyInactiveEnhanced recovery—3,5005,792–5,830May 6, 2020
Tom O'CONNOR(5600 Foot Sand)unit #W725BHilcorp Energy CompanyCanceledEnhanced recovery—3,0155,450–5,610Mar 14, 2016
Schirmer, Henry -C- #3Rutherford Oil CorporationCanceledDisposal—3,0003,975–4,075Jul 30, 1973
Williams, Maude et al -A- #D 66Quintana Pet. Corp.CanceledDisposal—3,0003,849–3,876Jun 27, 1979
Williams, Maude, Etal -A- #D 2SWQuintana Pet. Corp.CanceledDisposal—3,0003,740–3,788Apr 4, 1991
T-C Oil Co.- O'Connor #39T-C Oil Company, LLCPluggedDisposal—3,0003,770–4,030Sep 21, 1999
O'Connor, Thomas "A" #70Quintana Pet. Corp.CanceledDisposal—3,0003,820–3,850Mar 27, 1978
Tom Oconnor (5800 SD) Fld. Unit #Q031Quintana Pet. Corp.CanceledDisposal—3,0003,090–3,133Dec 3, 1980
Heard, Wilson -B- #6Amoco Production CompanyCanceledDisposal—3,0001,900–1,960Sep 13, 1978
Lambert, M. F. #U 11Hilcorp Energy CompanyPluggedDisposal—3,0003,800–3,900Sep 26, 1983
Oconnor, Thomas -C- #15Quintana Pet. Corp.CanceledDisposal—3,0003,379–3,406Aug 9, 1979
Lambert #G 9Hilcorp Energy CompanyPluggedDisposal—3,0003,800–4,000Oct 28, 1987
Lambert #G 12Kovar Operating, LLCCanceledDisposal—3,0003,880–4,000Jun 27, 1969
O'Conner -D- #D 31T - C Oil CompanyCanceledDisposal—3,0003,416–3,428Aug 12, 1993
Heard, Fannie V.W. #4Exxon Corp.CanceledDisposal—3,0003,530–3,920Dec 13, 1984
Williams, Maude, Etal -A- #D 25DQuintana Pet. Corp.CanceledDisposal—3,0003,726–3,756Aug 10, 1978
Oconnor, Thomas -A- #31DQuintana Pet. Corp.CanceledDisposal—3,0003,780–3,810Mar 10, 1978
Heard, Wilson Jr. -B- #7Amoco Production CompanyCanceledDisposal—3,0001,750–1,968Apr 25, 1984
Tom Oconnor (5800 SD) Fld. Unit #C475Quintana Pet. Corp.CanceledEnhanced recovery—3,0005,834–5,850May 2, 1985
T-C Oil Co. Oconnor #8T - C Oil CompanyPluggedDisposal—3,0003,821–3,831Aug 11, 1993
Fox-Heard Etal #1Coastal Materials Inc.CanceledDisposal—3,0004,100–4,300Apr 19, 1993
O'Connor, Mary Ellen #A 6Emerald Oil & Gas LCCanceledDisposal—3,0003,580–3,700May 25, 1994
O'Connor, Mary Ellen #A 3Emerald Oil & Gas LCPluggedDisposal—3,0003,850–3,860Aug 28, 1995
Heard, Fannie V. W. Mrs. #25Hilcorp Energy CompanyPluggedEnhanced recovery—3,0005,717–5,726Aug 16, 1996
Tom Oconnor (5800 SD) Fld. Unit #Q353Hilcorp Energy CompanyPluggedEnhanced recovery—3,0005,724–5,737Aug 16, 1996
Heard, Mrs. Fannie V. W. #103Hilcorp Energy CompanyCanceledEnhanced recovery—3,0005,670–5,730Mar 12, 1997
Tom O'Connor (5730 Ft. Sd.) Unit #A 49AHilcorp Energy CompanyCanceledEnhanced recovery—3,0005,450–5,600Jul 6, 2001

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.