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 5 OF 9

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
O'Connor, L.W. #23O'Connor Energy Management, LLCPluggedDisposal—7,5003,100–4,000Oct 11, 2011
O'Connor #65T-C Oil Company, LLCCanceledDisposal—7,5004,532–4,752May 23, 2019
T-C Oil Co. - O'Connor #42T-C Oil Company, LLCPluggedEnhanced recovery—7,2004,444–4,480Mar 21, 2001
O'Conner -D- #D 17T-C Oil Company, LLCPluggedEnhanced recovery—7,2004,465–4,500Mar 21, 2001
T-Coil Co.-O'Connor #42DT - C Oil CompanyCanceledEnhanced recovery—7,2004,444–4,480Mar 21, 2001
T-C Oil Co.-O'Connor #43T - C Oil CompanyCanceledEnhanced recovery—7,2004,455–4,494May 8, 2001
Obrien, J. J., -A- #2Acock/Anaqua Operating Co., LPPluggedDisposal—7,0003,470–3,880Sep 14, 1976
Lambert, M. F. #98H & D Operating CompanyCanceledDisposal—7,0003,680–3,915Feb 1, 1977
Heard, Fannie V. W., Mrs. #57Quintana Pet. Corp.CanceledDisposal—7,0003,778–3,808May 1, 1972
O'Brien, J. M. #33DPrimrose Operating CompanyCanceledDisposal—7,0003,180–3,216Jul 16, 1985
Williams, Maude et al -B- #2Hilcorp Energy CompanyInactiveEnhanced recovery—7,0005,830–5,900Oct 27, 1999
Dodson, Mary J. -B- #2Rutherford Oil CorporationCanceledDisposal—6,5004,495–4,560Apr 3, 1973
Heard, J. F. B. - Tex #9Greta Operating Company LLCInactiveEnhanced recovery—6,5004,370–4,550Nov 10, 1995
O Connor, Thomas James -B- #5Exxon Corp.CanceledDisposal—6,0003,600–3,990Nov 28, 1973
O Connor, Thos. -B- #23Quintana Pet. Corp.CanceledDisposal—6,0004,050–4,830Sep 5, 1978
Roche, K. D. -A- #32H & D Operating CompanyCanceledDisposal—6,0004,550–4,890May 31, 1977
Roche, K. D. -A- #45H & D Operating CompanyCanceledDisposal—6,0004,530–4,910Apr 12, 1978
Roche, K. D. -A- #22Hewit & DoughertyCanceledDisposal—6,0004,605–4,920May 4, 1976
Roche, K. D. -A- #35H & D Operating CompanyCanceledDisposal—6,0004,600–4,920Oct 20, 1981
Roche, K. D. -A- #16Kovar Operating, LLCPluggedDisposal—6,0004,550–4,890Nov 15, 2017
Oconnor, Thomas -D- #8T - C Oil CompanyPluggedDisposal—6,0003,700–4,150Mar 24, 1955
Heard, Fannie V. W., Mrs. #3SGHilcorp Energy CompanyPluggedDisposal—6,0003,622–3,652Jul 13, 1993
Oconnor, Thomas -C- #46Quintana Pet. Corp.CanceledDisposal—6,0003,740–3,775Jul 14, 1993
Oconnor, Thomas -C- #56Quintana Pet. Corp.CanceledDisposal—6,0003,830–3,863Nov 19, 1971
Lambert, M. F. #37DHilcorp Energy CompanyPluggedDisposal—6,0003,650–3,954Jul 15, 1977
Tom Oconnor (5800 SD) Fld. Unit #Q807Quintana Pet. Corp.CanceledDisposal—6,0005,800Dec 3, 1984
Heard, Fannie V. W., Mrs. #6Quintana Pet. Corp.CanceledDisposal—6,0003,335–3,365Mar 26, 1982
Tom Oconnor (5800 SD) Fld. Unit #C233Hilcorp Energy CompanyCanceledEnhanced recovery—6,0005,872–5,890Dec 12, 1983
Heard, Mrs. Fannie V. W. #47Quintana Pet. Corp.CanceledDisposal—6,0005,798–5,814Mar 9, 1984
Williams, Maude Etal -B- #31DHilcorp Energy CompanyCanceledDisposal—6,0005,851–5,859May 4, 1984
Tom Oconnor (5800 SD) Fld. Unit #Q936Quintana Pet. Corp.CanceledDisposal—6,0005,891–5,900May 4, 1984
Tom Oconnor (5800 SD) Fld. Unit #C453XQuintana Pet. Corp.CanceledDisposal—6,0005,848–5,758May 4, 1984
Tom Oconnor (5800 SD) Fld. Unit #C427Hilcorp Energy CompanyCanceledDisposal—6,0005,840–5,851May 4, 1984
Williams, Maude, Etal -A- #D 2Hilcorp Energy CompanyCanceledDisposal—6,0003,660–3,800Apr 1, 1993
Tom Oconnor (5800 SD) Fld. Unit #Q302Quintana Pet. Corp.CanceledDisposal—6,0005,778–5,794Aug 6, 1984
Tom Oconnor (5800 SD) Fld. Unit #Q303Quintana Pet. Corp.CanceledDisposal—6,0005,758–5,774Aug 6, 1984
Tom Oconnor (5800 SD) Fld. Unit #Q304Quintana Pet. Corp.CanceledDisposal—6,0005,768–5,784Aug 6, 1984
Tom Oconnor (5800 SD) Fld. Unit #E002Quintana Pet. Corp.CanceledDisposal—6,0005,919–5,928Aug 6, 1984
O'Connor, Thomas "B" #B 41Copano CompanyCanceledDisposal—6,0005,800Dec 3, 1984
Tom Oconnor (5800 SD) Fld. Unit #Q827Quintana Pet. Corp.CanceledDisposal—6,0005,807–5,824Feb 1, 1985
Williams, Maude et al "A" #D 78Quintana Pet. Corp.CanceledDisposal—6,0003,760–3,790Apr 9, 1984
Tom Oconnor (5800 SD) Fld. Unit #C229Quintana Pet. Corp.CanceledEnhanced recovery—6,0005,852–5,870Jun 22, 1988
O'Conner, Thomas #1Acock/Anaqua Operating Co., LPPluggedEnhanced recovery—6,0002,675–4,000Jun 13, 1997
O'Brien, J. M. #41Cambrian Management, Ltd.PluggedEnhanced recovery—6,0004,361–4,390Jul 1, 1993
Tom Oconnor (5800 SD) Fld. Unit #C101Hilcorp Energy CompanyCanceledEnhanced recovery—6,0005,810–5,830Sep 21, 1994
Tom Oconnor (5800 SD) Fld. Unit #H086Hilcorp Energy CompanyCanceledEnhanced recovery—6,0005,885–5,900Sep 21, 1994
Tom Oconnor (5800 SD) Fld. Unit #Q043Quintana Pet. Corp.CanceledEnhanced recovery—6,0005,749–5,760Sep 21, 1994
Oconnor #17T - C Oil CompanyCanceledDisposal—6,0003,867–3,877Jan 11, 1995
Oconnor, Thos. #3Primrose Operating CompanyCanceledDisposal—6,0003,155–3,200Oct 31, 1995
Tom O'CONNOR(5600 Foot Sand)unit #W342BHilcorp Energy CompanyCanceledEnhanced recovery—6,0005,550–5,595Oct 20, 2020
Tom O'Connor (4150 Ft. Sd.) Unit #W510AHilcorp Energy CompanyPluggedEnhanced recovery—6,0004,145–4,175Apr 16, 2004
Heard, Claude E. et Al #10Hilcorp Energy CompanyInactiveEnhanced recovery—6,0004,130–4,160Feb 19, 2004
Tom O'Connor (4150 Ft. Sd.) Unit #W051AHilcorp Energy CompanyCanceledEnhanced recovery—6,0004,160–4,180Mar 25, 2004
Heard Fannie V W #29Acock/Anaqua Operating Co., LPPluggedDisposal—6,0003,475–3,850Aug 19, 2004
Marberry "B" #4Allegiant Resources, LLCPluggedDisposal—6,0001,790–2,560Apr 4, 2008
Heard, Clement #21Hilcorp Energy CompanyInactiveEnhanced recovery—6,0004,406–4,496Apr 29, 2020
Tom O'CONNOR(5600 Foot Sand)unit #W252 BHilcorp Energy CompanyInactiveEnhanced recovery—6,0004,415–4,487May 11, 2020
O'Connor, Thomas -A- #34Hilcorp Energy CompanyInactiveEnhanced recovery—6,0004,435–4,493May 26, 2020
Tom O'CONNOR(5600 Foot Sand)unit #3104WBHilcorp Energy CompanyInactiveEnhanced recovery—6,0005,514–5,560Aug 19, 2020
Williams, Maude et al -A- #67Hilcorp Energy CompanyInactiveEnhanced recovery—6,0005,615–5,650Sep 10, 2020
Tom O'CONNOR(5600 Foot Sand)unit #W838BHilcorp Energy CompanyInactiveEnhanced recovery—6,0005,585–5,620Sep 23, 2020
Tom O'CONNOR(5600 Foot Sand)unit #W329BHilcorp Energy CompanyInactiveEnhanced recovery—6,0005,540–5,580Oct 2, 2020
Heard, Fannie V. W., Mrs. #40Hilcorp Energy CompanyInactiveEnhanced recovery—6,0005,548–5,570Oct 15, 2020
Tom Oconnor (5800 SD) Fld. Unit #H042Quintana Pet. Corp.CanceledDisposal—5,5003,900–3,930Nov 24, 1975
Williams, Maude, Etal -A- #D 82Quintana Pet. Corp.CanceledDisposal—5,0003,720–3,750Feb 20, 1976
T-C Oil Co.- O'Connor #20T - C Oil CompanyPluggedDisposal—5,0003,760–4,030May 1, 1979
Oconnor, Dennis, Etal -L- #4DT - C Oil CompanyPluggedDisposal—5,0003,820–4,030Mar 27, 1978
Oconnor, Dennis, Etal -L- #L 52T - C Oil CompanyCanceledDisposal—5,0003,740–4,080Jun 2, 1978
O Connor, Thos. -B- #1DHilcorp Energy CompanyPluggedDisposal—5,0003,518–3,950Mar 11, 1996
O Connor, Thos. -B- #2Hilcorp Energy CompanyCanceledDisposal—5,0003,597–4,000Dec 20, 1960
Oconnor, Mary Ellen #22Dolphin Petroleum, LPCanceledDisposal—5,0002,576–4,026Jan 2, 1970
Oconnor, Thos. -B- #31Hilcorp Energy CompanyPluggedDisposal—5,0003,950–3,965Feb 16, 2012
Rooke, P. H. #29Kamlok, Inc.CanceledDisposal—5,0003,616–3,664Apr 26, 1976
Oconnor, Thomas -E- #29T-C Oil Company, LLCPluggedDisposal—5,0003,865–3,940Jun 8, 1993
Oconnor, Thomas -E- #37T - C Oil CompanyPluggedDisposal—5,0003,855–3,885Jun 18, 1991
Oconnor, Thomas -C- #45Quintana Pet. Corp.CanceledDisposal—5,0003,780–3,810Dec 11, 1975
Williams, Maude, Etal -A- #68Hilcorp Energy CompanyPluggedDisposal—5,0003,383–3,426Apr 2, 1980
Tom Oconnor (5800 SD) Fld. Unit #Q003Hilcorp Energy CompanyPluggedDisposal—5,0003,690–4,000Jul 9, 1976
Tom Oconnor (5800 SD) Fld. Unit #Q110Hilcorp Energy CompanyCanceledDisposal—5,0003,284–3,302Jul 14, 1993
Oconnor, Thomas -A- #81Quintana Pet. Corp.CanceledDisposal—5,0001,815–1,856Mar 22, 1979
Obrien, J. M. #33DSun Expl. & Prod. Co.-CorpusCanceledDisposal—5,0003,625–3,825Nov 3, 1980
Williams, Maude et al -A- #D 1DQuintana Pet. Corp.CanceledDisposal—5,0003,380–3,406Oct 23, 1979
Oconnor, Lawrence W. Estate Of #8RPace Oil and Gas CompanyCanceledDisposal—5,0003,620–3,730Nov 21, 1991
Lambert, M. F. #34H & D Operating CompanyCanceledDisposal—5,0003,876–3,906Apr 12, 1978
Obrien, J. M., -A- #6Brinkerhoff Oil CompanyCanceledDisposal—5,0003,250–3,275Mar 7, 1980
Heard, Fannie V. W. #12Exxon Corp.CanceledDisposal—5,0001,915–1,972Dec 4, 1981
Oconnor, Thomas -A- #77Quintana Pet. Corp.CanceledDisposal—5,0003,600–3,863Jun 26, 1996
Oconnor #37T - C Oil CompanyCanceledEnhanced recovery—5,0005,646–5,656May 23, 1983
Oconnor, Thomas -A- #108Hilcorp Energy CompanyInactiveEnhanced recovery—5,0005,755–5,780Oct 8, 2002
Williams, Maude et al -A- #D 95Quintana Pet. Corp.CanceledDisposal—5,0003,920–3,940Nov 16, 1982
Heard, Fannie V.W. Mrs. #88Hilcorp Energy CompanyCanceledDisposal—5,0002,860–3,380Sep 10, 2001
Oconnor, Thomas -A- #79Quintana Pet. Corp.CanceledDisposal—5,0003,295–3,376Aug 21, 1986
Lambert, M. F. #34DHewit & DoughertyCanceledDisposal—5,0003,876–3,906Apr 12, 1978
Tom Oconnor (5800 SD) Fld. Unit #Q094WQuintana Pet. Corp.CanceledDisposal—5,0003,257–3,322Feb 8, 1979
Tom Oconnor (5800 SD) Fld. Unit #Q067DQuintana Pet. Corp.CanceledDisposal—5,0003,441–3,479Apr 9, 1979
O'Connor, Thomas -C- #15DQuintana Pet. Corp.CanceledDisposal—5,0003,690–3,720Sep 10, 1976
Williams, Maude, Etal -A- #D 7Quintana Pet. Corp.CanceledDisposal—5,0004,440–4,455Apr 4, 1984
Lambert, M. F. #35H & D Operating CompanyCanceledDisposal—5,0003,235–3,255Jan 10, 1985
Oconnor #22T - C Oil CompanyCanceledEnhanced recovery—5,0005,663–5,668Jun 28, 1988
Heard, Claude E. , et Al #28Quintana Pet. Corp.CanceledDisposal—5,0003,354–3,362Dec 8, 1988

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.