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 4 OF 9

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

WellOperatorStatusPurposeReported, bblbbl/d permittedZone, ftPermitted
Heard, Mrs. Fannie V.W. #1Quintana Pet. Corp.CanceledEnhanced recovery—10,0005,716–5,734Jan 13, 1988
O'Connor, Thomas -C- #11Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,769–5,794Aug 27, 1987
Tom Oconnor (5800 SD) Fld. Unit #Q237Quintana Pet. Corp.CanceledEnhanced recovery—10,0005,738–5,754Aug 27, 1987
Tom Oconnor (5800 SD) Fld. Unit #Q233Hilcorp Energy CompanyPluggedEnhanced recovery—10,0005,696–5,719Aug 27, 1987
Tom Oconnor (5800 SD) Fld. Unit #Q213Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,814–5,827Aug 27, 1987
Heard, Fannie V. W. #28Exxon Corp.CanceledDisposal—10,0002,040–4,000Feb 28, 1997
O'Brien, J.J. a (S) #8Chilton EnergyCanceledDisposal—10,0004,360–4,367Sep 30, 1994
Obrien, J. J., -A- #4Greta Operating Company LLCPluggedDisposal—10,0004,365–4,372Feb 16, 1995
Tom O'Connor (4150 Ft. Sd.) Unit #W109AHilcorp Energy CompanyPluggedDisposal—10,0004,130–4,175Feb 2, 2005
Tom Oconnor (5800 SD) Fld. Unit #Q328Hilcorp Energy CompanyPluggedEnhanced recovery—10,0005,000–5,725Sep 20, 2005
Williams, Maude, Etal -B- #4WHilcorp Energy CompanyCanceledEnhanced recovery—10,0005,610–5,645May 19, 2004
Tom Oconnor (5800 SD) Fld. Unit #P097Hilcorp Energy CompanyPluggedEnhanced recovery—10,0005,000–5,800Aug 9, 2005
Thomas O'Connor 'C' #44Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,000–5,710Aug 30, 2005
Tom O'Connor "A" #37Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,150–5,635Sep 21, 2005
Tom O'CONNOR(5600 Foot Sand)unit #W866BHilcorp Energy CompanyCanceledEnhanced recovery—10,0005,645–5,670Feb 2, 2005
Tom O'CONNOR(5600 Foot Sand)unit #W716BHilcorp Energy CompanyCanceledEnhanced recovery—10,0004,250–5,660Mar 22, 2005
Tom O'CONNOR(5600 Foot Sand)unit #W321BHilcorp Energy CompanyCanceledEnhanced recovery—10,0005,530–5,590Jan 12, 2005
Tom O'CONNOR(5600 Foot Sand)unit #W235BHilcorp Energy CompanyCanceledEnhanced recovery—10,0005,520–5,570Jan 12, 2005
Lambert, M. F. #112Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,751–5,802Feb 28, 2006
Tom Oconnor (5800 SD) Fld. Unit #P046Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,741–5,779Feb 28, 2006
Williams, Maude et al "A" #D130Hilcorp Energy CompanyInactiveDisposal—10,0003,660–3,985Apr 5, 2005
Tom Oconnor (5800 SD) Fld. Unit #Q236Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,000–5,770Oct 6, 2005
Williams, Maude et al "A" #D 15Hilcorp Energy CompanyInactiveDisposal—10,0003,670–3,993Apr 12, 2007
Williams, Maude et al "A" #D 81Hilcorp Energy CompanyInactiveDisposal—10,0002,964–4,030Dec 21, 2021
Williams, Maude, Etal -A- #D205Hilcorp Energy CompanyInactiveDisposal—10,0003,050–4,080Oct 5, 2007
Maude Williams et al -C- #7Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,982–6,129Apr 5, 2021
Williams, Maude, Etal -A- #D113Hilcorp Energy CompanyInactiveDisposal—10,0003,600–4,000Jun 17, 2008
Fagan #33Frostwood Energy, LLCPluggedDisposal—10,0003,190–4,080Jan 28, 2009
Fagan C #30McDonald & Johnson Resources,llcCanceledDisposal—10,0003,190–4,080Feb 11, 2009
Heard, J. F. B. #15Dorchester Operating Company LLCInactiveEnhanced recovery—10,0002,810–3,900Jun 24, 2010
Tom O'CONNOR(5600 Foot Sand)unit #W289BHilcorp Energy CompanyCanceledDisposal—10,0005,525–5,555May 17, 2011
Tom O'CONNOR(5600 Foot Sand)unit #3100WBHilcorp Energy CompanyCanceledEnhanced recovery—10,0005,530–5,580Jun 8, 2012
Huff GU 1 #16Great Bay Operations, LLCCanceledDisposal—10,0002,950–4,050Feb 24, 2014
Remora Oil Unit #1Allegiant Resources, LLCCanceledDisposal—10,0002,320–2,640Sep 15, 2014
Marberry #17Allegiant Resources, LLCPluggedDisposal—10,0003,220–4,080Oct 27, 2014
Rooke, P. H. #15Atlantic Richfield Co.CanceledEnhanced recovery—10,0003,864–3,874May 24, 1968
O Connor, Thos. -B- #55Hilcorp Energy CompanyPluggedDisposal—10,0003,600–4,100Dec 3, 2014
Oconnor, Dennis, Etal -L- #L 71T-C Oil Company, LLCPluggedEnhanced recovery—10,0004,492–4,700Jan 5, 2015
Oconnor, Dennis, Etal -L- #L 72T-C Oil Company, LLCInactiveDisposal—10,0004,482–4,700Jan 5, 2015
Marberry B #5Frostwood Energy, LLCPluggedDisposal—10,0003,700–4,080Jun 19, 2015
Tom Oconnor (5800 SD) Fld. Unit #Q720Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,650–5,719Apr 20, 2017
Maude Williams et al 'A' #84Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,460–5,560Jan 31, 2018
Tom O'Connor (5730 Ft. Sd.) Unit #A 47Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,470–5,530Feb 14, 2018
Fox, W. J. -A- #52Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,862–5,992Feb 23, 2018
Tom Oconnor (5800 SD) Fld. Unit #Q324Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,700–5,800Jun 13, 2018
Tom Oconnor (5800 SD) Fld. Unit #Q303GHilcorp Energy CompanyInactiveEnhanced recovery—10,0005,710–5,800Jun 13, 2018
Tom Oconnor (5800 SD) Fld. Unit #Q041AHilcorp Energy CompanyInactiveEnhanced recovery—10,0005,800–5,895Jun 20, 2018
Tom Oconnor (5800 SD) Fld. Unit #Q401Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,800–5,895Jun 26, 2018
Tom Oconnor (5800 SD) Fld. Unit #Q253Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,750–5,860Jun 27, 2018
Heard, Claude E., et Al #23Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,840–5,920Jun 28, 2018
Tom Oconnor (5800 SD) Fld. Unit #C411Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,780–5,900Jul 26, 2018
Tom Oconnor (5800 SD) Fld. Unit #C441Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,800–5,878Aug 17, 2018
Williams, Maude et al -C- #2Hilcorp Energy CompanyCanceledEnhanced recovery—10,0005,510–5,645Nov 29, 2018
Fagan "A" #A 4Allegiant Resources, LLCInactiveDisposal—10,0003,728–4,838Jan 12, 2019
Oconnor, Thomas -A- #5GWHilcorp Energy CompanyCanceledEnhanced recovery—10,0005,560–5,712Dec 18, 2018
Fagan C #15Frostwood Energy, LLCCanceledDisposal—10,0004,460–4,810Feb 24, 2019
Lambert, M. F. #H118Hilcorp Energy CompanyInactiveDisposal—10,0003,660–3,800Mar 20, 2019
Rooke, P.H. #66Acock/Anaqua Operating Co., LPPluggedDisposal—10,0003,970–4,420Jul 11, 2019
Tom O'Connor (5730 Ft. Sd.) Unit #B 20Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,480–5,780Aug 14, 2019
Thomas O'Connor -C- #41Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,655–5,792Sep 11, 2019
Marberry B #6Frostwood Energy, LLCCanceledDisposal—10,0004,466–4,815May 6, 2020
Tom Oconnor (5800 SD) Fld. Unit #27Hilcorp Energy CompanyInactiveEnhanced recovery—10,0005,800–5,895Jan 7, 2025
Heard, Fannie V. W. #22Cambrian Management, Ltd.CanceledDisposal—9,0004,420–4,450Apr 25, 2002
Heard, J.F.B. #7Acock/Anaqua Operating Co., LPPluggedDisposal—9,0003,100–3,195Feb 28, 1994
Heard, J.F.B. #5Exxon Mobil CorporationCanceledDisposal—9,0003,100–3,195Feb 28, 1994
Heard, Fannie V. W. #13Primrose Operating CompanyCanceledDisposal—9,0003,148–3,210Aug 1, 2002
Heard, J. F. B. #27DExxon Corp.CanceledDisposal—9,0001,900–4,200Nov 26, 1996
Heard, J. F. B. #27Primrose Operating CompanyCanceledDisposal—9,0004,300–4,450Apr 25, 2002
Fagan #4Frostwood Energy, LLCPluggedDisposal—9,0003,190–4,080May 2, 2005
Fagan #1Allegiant Resources, LLCInactiveDisposal—9,0002,258–2,700Jun 5, 2008
Heard, Fannie V. W. #9Exxon Corp.CanceledDisposal—8,5003,620–3,700May 21, 1974
Heard, J. F. B. #20DCambrian Management, Ltd.PluggedDisposal—8,0003,510–3,800Feb 24, 1994
Lambert, M. F. #11Kovar Operating, LLCPluggedDisposal—8,0003,575–3,880Dec 10, 1976
Rooke, B. D. #31Amoco Production CompanyCanceledDisposal—8,0004,525–4,760Mar 10, 1976
Rooke. B.D. #45Laroco LLPCanceledDisposal—8,0002,650–4,800Oct 26, 1976
Oconnor, Mary Ellen -E- #12 TExxon Corp.CanceledDisposal—8,0003,600–3,990Mar 16, 1981
Oconnor, Thomas -A- #94Hilcorp Energy CompanyPluggedDisposal—8,0003,257–3,322Dec 29, 2015
Oconnor, Tom #5Chilton EnergyCanceledDisposal—8,0003,550–3,900Jul 8, 1971
Spaulding, J. W. #6Laroco LLPPluggedDisposal—8,0004,500–4,800Jul 30, 1985
Rooke, B. D. #23Amoco Production CompanyCanceledDisposal—8,0002,650–4,800Oct 1, 1979
Rooke, B. D. #39Brooklyn Union Explor. Co., Inc.CanceledDisposal—8,0004,000–4,800Sep 20, 1979
O'Brien, J.M. -G- #8Chilton EnergyCanceledDisposal—8,0002,730–2,770Nov 7, 1982
Lambert, M. F. #97H & D Operating CompanyCanceledDisposal—8,0003,200–3,300Dec 1, 1980
Roche -D- #3Magnum Engineering CompanyCanceledDisposal—8,0004,000–4,500May 11, 1984
Oconnor, Thomas -E- #E 8T - C Oil CompanyPluggedDisposal—8,0003,790–3,800Aug 6, 1984
Heard, J. F. B. #4Primrose Operating CompanyPluggedDisposal—8,0003,120–3,175Feb 28, 1994
Obrien, J. M. -C- #35Sun Expl. & Prod. Co.-CorpusCanceledDisposal—8,0003,710–3,825Jul 30, 1987
Rooke, P.H. SWD #11Acock/Anaqua Operating Co., LPPluggedDisposal—8,0002,610–3,220Feb 4, 1988
Obrien, J. M., -G- #6DChilton EnergyCanceledDisposal—7,6003,980–4,130Oct 13, 1970
Oconnor, Thomas, -A- #104DHilcorp Energy CompanyCanceledDisposal—7,5003,837–4,000Aug 22, 2000
Tom Oconnor (5800 SD) Fld. Unit #N103Hilcorp Energy CompanyCanceledEnhanced recovery—7,5005,846–5,855Dec 6, 1989
Tom Oconnor (5800 SD) Fld. Unit #N104Quintana Pet. Corp.CanceledEnhanced recovery—7,5005,822–5,836Dec 6, 1989
Obrien, J. J., -A- #6Greta Operating Company LLCInactiveDisposal—7,5004,350–4,500Aug 3, 1990
Obrien, J. M., -A- #7Chilton EnergyCanceledDisposal—7,5004,340–4,370Jan 14, 1991
Maude Williams et al "B" #38Hilcorp Energy CompanyCanceledEnhanced recovery—7,5005,900–5,920Nov 10, 1993
Obrien, J. M., -B- #4Acock/Anaqua Operating Co., LPPluggedDisposal—7,5004,250–4,365Aug 31, 1994
Tom Oconnor (5800 SD) Fld. Unit #C106Hilcorp Energy CompanyPluggedEnhanced recovery—7,5005,784–5,794May 5, 1995
Lambert, M. F. #70Hilcorp Energy CompanyCanceledEnhanced recovery—7,5005,855–5,880Nov 23, 1994
Tom Oconnor (5800 SD) Fld. Unit #J103Hilcorp Energy CompanyPluggedEnhanced recovery—7,5005,941–5,945Nov 23, 1994
O'Connor, L.W. #13Emerald Oil & Gas LCCanceledDisposal—7,5003,100–4,000Sep 1, 2011

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.