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 3 OF 9

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Heard, Claude E. et Al #27Hilcorp Energy CompanyActiveDisposal—3,0003,356–3,397Mar 27, 2019
Tom Oconnor (5800 SD) Fld. Unit #A008Hilcorp Energy CompanyActiveEnhanced recovery—3,0005,790–5,830Sep 23, 1996
Tom O'CONNOR(5600 Foot Sand)unit #W806BHilcorp Energy CompanyActiveEnhanced recovery—2,7505,070–5,800Apr 6, 2022
Tom O'Connor (4150 Ft. Sd.) Unit #W830AHilcorp Energy CompanyActiveEnhanced recovery—2,5004,158–4,178Jul 26, 2005
Tom O'Connor (4150 Ft. Sd.) Unit #W817AHilcorp Energy CompanyActiveEnhanced recovery—2,5004,159–4,178Jul 26, 2005
O'Connor, Thomas, "D" #3Hilcorp Energy CompanyActiveDisposal—2,0003,700–4,020Feb 16, 1994
Buck, I. G. W. #3 RBent Wing Energy, LLCActiveDisposal—2,0003,630–4,100Sep 12, 2008
Barber #6 D2 D Oil & Gas LLCActiveDisposal—1,0003,590–3,650Jan 17, 1992
Roche #6Salida Exploration, LLCActiveDisposal—8005,300–5,330Feb 12, 2009
Lambert, M. F. #A 8Hilcorp Energy CompanyActiveDisposal—7503,600–3,930Dec 7, 1983
Hynes #3DMagnum Producing, LPActiveDisposal—7502,028–2,038Jul 16, 1987
Oconnor, Dennis, Etal -L- #L 30T-C Oil Company, LLCActiveEnhanced recovery——4,460–4,473Jul 5, 1976
Williams, Maude, Etal -A- #36Hilcorp Energy CompanyActiveDisposal——2,950–3,415Oct 29, 1986
Williams, Maude, Etal -A- #D142Hilcorp Energy CompanyActiveEnhanced recovery——4,427–4,443Feb 5, 1991
Williams, Maude, Etal -A- #D 62Hilcorp Energy CompanyActiveEnhanced recovery——4,396–4,462Dec 29, 1999
WLP #1T-C Oil Company, LLCActiveEnhanced recovery——4,483–4,524Apr 9, 2001
WLP #4T-C Oil Company, LLCActiveEnhanced recovery——4,468–4,512Apr 24, 2001
WLP #G 9T-C Oil Company, LLCActiveEnhanced recovery——4,476–4,518Apr 24, 2001
Tom Oconnor (5800 SD) Fld. Unit #Q085 EHilcorp Energy CompanyActiveEnhanced recovery——5,833–5,890Jan 17, 2024
Maude Williams et al "A" #D 2GHilcorp Energy CompanyActiveDisposal—20,0002,810–3,440Sep 20, 2022
O'Connor, Thomas "A" #24Hilcorp Energy CompanyActiveEnhanced recovery—15,0004,410–4,776Jan 19, 2024
Tom Oconnor (5800 SD) Fld. Unit #C412Hilcorp Energy CompanyActiveDisposal—15,0003,550–4,200Feb 15, 2006
Maude Williams et al 'A' #52Hilcorp Energy CompanyActiveEnhanced recovery—10,0005,380–5,460Feb 14, 2018
Tom O'CONNOR(5600 Foot Sand)unit #W311OBHilcorp Energy CompanyActiveEnhanced recovery—10,0005,150–5,700Oct 4, 2005
Tom Oconnor (5800 SD) Fld. Unit #H084Hilcorp Energy CompanyActiveEnhanced recovery—10,0005,885–5,901Feb 28, 2006
Tom Oconnor (5800 SD) Fld. Unit #H057Hilcorp Energy CompanyActiveEnhanced recovery—10,0005,824–5,869Mar 8, 2006
Heard, Clement #20Hilcorp Energy CompanyActiveDisposal—10,0002,800–4,030Feb 20, 2008
Tom Oconnor (5800 SD) Fld. Unit #Q029Hilcorp Energy CompanyActiveEnhanced recovery—10,0005,790–5,940Feb 12, 2026
Williams, Maude Etal -A- #D 99Hilcorp Energy CompanyActiveDisposal—8,0004,510–4,530Jul 12, 1984
Heard, Fannie V. W., Mrs. #59Hilcorp Energy CompanyActiveEnhanced recovery—6,0004,397–4,447Apr 28, 2020
T-C Oil Co.- O'Connor #46T-C Oil Company, LLCActiveEnhanced recovery——4,431–4,451May 12, 1974
Obrien, J. J., -A- #3Greta Operating Company LLCCanceledDisposal665K25,0004,350–4,362Oct 17, 2013
Tom O'Connor (5730 Ft. Sd.) Unit #A 58Hilcorp Energy CompanyCanceledEnhanced recovery156K10,0005,710–5,780Feb 5, 2018
Roche SWD #1Paloma Operating, LLCInactiveDisposal—25,0004,600–4,900Dec 20, 2023
Oconnor, Thomas, -A- #121Hilcorp Energy CompanyInactiveEnhanced recovery—20,0006,007–7,154Feb 5, 2021
Maude Williams et al 'A' #D200Hilcorp Energy CompanyInactiveEnhanced recovery—15,0005,600–7,200Jul 27, 2021
Oconnor, Thomas, -A- #2Hilcorp Energy CompanyInactiveEnhanced recovery—15,0004,400–5,750Aug 23, 2021
O'Connor, Thomas "C" #4GHilcorp Energy CompanyInactiveEnhanced recovery—15,0004,450–4,850Sep 28, 2021
Fox, W. J. "A" #A40Hilcorp Energy CompanyInactiveDisposal—10,0001,740–1,810May 5, 2006
Lambert, M. F. #123 UHilcorp Energy CompanyInactiveEnhanced recovery—10,0005,600–5,630Apr 4, 2018
Fagan C #C 12Allegiant Resources, LLCInactiveDisposal—10,0004,460–4,665Feb 22, 2019
Tom Oconnor (5800 SD) Fld. Unit #99Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,870–5,970Apr 3, 2025
Tom Oconnor (5800 SD) Fld. Unit #Q445Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,170–5,970Aug 9, 2024
Tom Oconnor (5800 SD) Fld. Unit #Q097EHilcorp Energy CompanyInactiveEnhanced recovery—10,0005,860–5,960Apr 3, 2025
Tom Oconnor (5800 SD) Fld. Unit #Q106EHilcorp Energy CompanyInactiveEnhanced recovery—10,0005,890–5,990Apr 3, 2025
Oconnor, Thomas, -C- #38Hilcorp Energy CompanyInactiveEnhanced recovery—6,0004,410–4,475Dec 6, 2021
Tom O'CONNOR(5600 Foot Sand)unit #W403GBHilcorp Energy CompanyInactiveEnhanced recovery—6,0005,575–5,615Aug 19, 2020
Tom O'CONNOR(5800 SD) Field Unit #Q870Hilcorp Energy CompanyPluggedDisposal—5,0003,270–3,300May 4, 1978
Heard, F. V. W. #37Dorchester Operating Company LLCCanceledEnhanced recovery—5,0004,300–4,500Oct 7, 2022
Tom O'Connor (4150 Ft. Sd.) Unit #W227AHilcorp Energy CompanyInactiveEnhanced recovery—5,0004,070–4,130Feb 12, 2018
Tom O'Connor (4150 Ft. Sd.) Unit #W345AHilcorp Energy CompanyInactiveEnhanced recovery—5,0004,090–4,150Sep 24, 2018
Heard, Fannie V. W. #34Dorchester Operating Company LLCInactiveEnhanced recovery—5,0004,300–4,500Nov 18, 2022
Heard, Fannie V. W. #17Dorchester Operating Company LLCInactiveEnhanced recovery—5,0004,300–4,500Nov 30, 2022
Tom O'Connor (4150 Ft. Sd.) Unit #W877AHilcorp Energy CompanyInactiveEnhanced recovery—3,0003,990–4,225Sep 20, 2005
Tom O'Connor (4150 Ft. Sd.) Unit #W305GAHilcorp Energy CompanyInactiveEnhanced recovery—3,0004,080–4,105Oct 18, 2007
Oconnor, Thomas, -A- #1Quintana Pet. Corp.CanceledDisposal—50,0006,500–6,800Jul 3, 1980
Lambert, M. F. #99AHilcorp Energy CompanyInactiveEnhanced recovery—37,4984,410–4,850Feb 10, 2022
Lambert, M. F. #141Pennzoil Exploration & Prod. Co.CanceledDisposal—25,0006,580–6,675Jan 27, 1981
Tom Oconnor (5800 SD) Fld. Unit #P141Quintana Pet. Corp.CanceledEnhanced recovery—25,0006,580–6,675Jan 27, 1981
Maude Williams et Al #D24Hilcorp Energy CompanyCanceledEnhanced recovery—25,0003,670–4,025Feb 17, 2015
Welder Ford #4Dallas Petroleum Group, LLCInactiveDisposal—25,0004,800–5,600Apr 3, 2020
Williams, Maude et al "A" #D 3GHilcorp Energy CompanyCanceledDisposal—20,0003,000–4,000Jul 7, 2014
Lambert, M. F. #66Hilcorp Energy CompanyInactiveDisposal—20,0003,630–4,120Jan 31, 2005
Lambert, M. F. #111Hilcorp Energy CompanyCanceledDisposal—20,0002,750–3,100Sep 28, 2005
Lambert, M. F. #52Hilcorp Energy CompanyCanceledEnhanced recovery—20,0004,950–5,770Feb 13, 2006
Marberry A #7DFrostwood Energy, LLCCanceledDisposal—20,0003,690–4,800Feb 20, 2019
Williams, Maude et al -C- #10Hilcorp Energy CompanyInactiveEnhanced recovery—20,0005,800–5,894Feb 16, 2021
Williams, Maude et al "A" #D 1GHilcorp Energy CompanyInactiveDisposal—20,0002,810–3,620Aug 3, 2022
Heard, Fannie V. W. #3Exxon Corp.CanceledDisposal—17,0003,517–3,800Aug 10, 1978
Obrien, J. M., -C- #5Chilton EnergyCanceledDisposal—15,0002,740–2,790Feb 15, 1978
Obrien, J. M., -D- #1WIChilton EnergyCanceledDisposal—15,0002,696–2,748Aug 7, 1979
Lambert, M. F. #1Hilcorp Energy CompanyPluggedDisposal—15,0003,690–4,000Apr 3, 2009
Oconnor, Thomas -A- #72Hilcorp Energy CompanyPluggedDisposal—15,0003,260–3,876Oct 20, 2008
Lambert, M. F. #31Hilcorp Energy CompanyCanceledDisposal—15,0003,675–4,020Apr 30, 2009
Heard, Fannie V. W., Mrs. #61Hilcorp Energy CompanyPluggedDisposal—15,0003,639–3,670Mar 25, 2009
O'Connor, Thomas "A" #82Hilcorp Energy CompanyPluggedDisposal—15,0003,650–4,000Sep 12, 2002
Maude Williams et al "A" #D146Hilcorp Energy CompanyInactiveDisposal—15,0003,600–4,000Oct 17, 2005
Williams, Maude, Etal -A- #D158Hilcorp Energy CompanyInactiveDisposal—15,0003,600–4,000Oct 17, 2005
Williams, Maudde et al "A" #D 27Hilcorp Energy CompanyInactiveDisposal—15,0003,600–4,010Jan 11, 2006
Tom O'Connor (4150 Ft. Sd.) Unit #W377AHilcorp Energy CompanyInactiveDisposal—15,0003,500–4,000Feb 28, 2006
Maude Williams et al "A" #D162Hilcorp Energy CompanyCanceledDisposal—15,0003,030–3,970Nov 3, 2022
Marberry #25Allegiant Resources, LLCPluggedDisposal—15,0003,700–4,850May 17, 2018
Rooke. B.D. #33Laroco LLPCanceledDisposal—12,0004,500–6,300Jul 23, 1969
Oconnor, Thomas -A- #96Hilcorp Energy CompanyPluggedDisposal—12,0003,000–3,650Mar 25, 2005
O'Connor, Thomas "A" #10DHilcorp Energy CompanyCanceledDisposal—12,0003,500–4,100Apr 25, 2008
Oconnor, Thomas James -C- #11Exxon Corp.CanceledDisposal—11,0003,590–3,992Feb 6, 1990
Obrien, J. M. -B- #207 FExxon Corp.CanceledDisposal—11,0001,868–1,920Sep 6, 1978
Obrien, J. M. -B- #207 HExxon Corp.CanceledDisposal—11,0001,868–1,920Aug 31, 1978
Oconnor, Mary Ellen -B- #1Exxon Corp.CanceledDisposal—11,0003,595–3,980Feb 6, 1990
Heard, J. F. B.- Tex #21Acock/Anaqua Operating Co., LCCanceledDisposal—10,0003,500–3,900May 21, 1974
Rooke. B.D. #10Rising Star Energy Partners II,CanceledDisposal—10,0004,500–4,800Jul 9, 1986
Rooke, P. H. #2238 Oil & Gas, L.L.C.PluggedDisposal—10,0003,870–3,876May 24, 1968
Oconnor, Thomas -A- #98Hilcorp Energy CompanyPluggedDisposal—10,0003,670–3,990Jun 23, 2000
Heard, Clement #18Hilcorp Energy CompanyPluggedDisposal—10,0003,580–3,890Oct 23, 2001
O'Brien, J. M. #309Exxon Corp.CanceledDisposal—10,0003,470–3,860Jun 17, 1983
Reilly, Annie, Etvir #7Hilcorp Energy CompanyPluggedDisposal—10,0003,766–3,796Jan 22, 1986
Heard, J. F. B. #3Exxon Corp.CanceledDisposal—10,0003,100–3,195Jul 15, 1994
Tom Oconnor (5800 SD) Fld. Unit #N204Hilcorp Energy CompanyCanceledEnhanced recovery—10,0003,580–5,825Sep 20, 2005
Williams, Maude et al -A- #4Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,757–5,777Feb 20, 1987
Oconnor, Thomas -B- #B 13Copano CompanyCanceledEnhanced recovery—10,0005,808–5,821Jun 1, 1987

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.