Produced water and disposal in Zapata 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 →
Zapata County has 22 active injection and disposal wells, 14 of them permitted for disposal, with 115,650 barrels a day of permitted capacity.
Operators reported 884,821 barrels injected on H-10 filings in the twelve months to June 2025, down 38% on the year before, about 2% of what the permits allow.
Mid River Midstream LLC is the largest injector in the county, with 360,576 barrels reported across 1 active well.
- 22
- active injection wells, 14 for disposal
- 116K
- bbl/d permitted capacity
- 885K
- bbl reported, H-10 year to Jun 2025 -38%
- 2%
- of permitted capacity used
- 330
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 884,821 · prior 12 1,428,129(-38%)
Who injects here
Operators with active permits in the county, by reported H-10 volume over the settled year.
| Operator | Reported, bbl | Active wells | Capacity bbl/d |
|---|---|---|---|
| Mid River Midstream LLC | 361K | 1 | 6K |
| EL Gato SWD Inc. | 254K | 1 | 20K |
| Hilcorp Engy Co | 82.7K | 2 | 6.5K |
| Beehive Operating, LLC | 80.7K | 1 | 10K |
| Sue-Ann Oper, L.C | 62.1K | 4 | 18K |
| Block "T" Petro, Inc | 19.5K | 1 | 5K |
| RMX Oil & Gas, LLC | 9.94K | 1 | 500 |
| TD Natural Resources LLC | 8.96K | 1 | 5K |
| Bordertown Engy Res, LLC | 3.94K | 2 | 1.15K |
| Arete Oper Co, LLC | 2.05K | 1 | 2K |
| Texxco Energy Services Inc | — | 2 | 16K |
| Gn&j LLC | — | 1 | 10K |
| Bes, Environmental Services,inc | — | 1 | 10K |
| Vantage Operating II, LLC | — | 1 | 2.5K |
| Paleo Oil Co LLC | — | 1 | 2K |
| Varas Energy Operating Company, | — | 1 | 1K |
Injection permits
330 UIC PERMITS · 22 ACTIVE · PAGE 1 OF 4
Active permits first, by reported volume, then cancelled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| Villarreal, R. #2 | Mid River Midstream LLC | Active | Disposal | 361K | 6,000 | 2,300–3,100 | Mar 14, 1997 |
| Zapata SWD #2 | EL Gato SWD Inc. | Active | Other | 254K | 20,000 | 2,750–3,446 | Oct 31, 2022 |
| Jennings #28WD | Hilcorp Engy Co | Active | Enhanced recovery | 82.7K | 3,000 | 3,875–5,170 | Sep 22, 1998 |
| Martinez SWD #1 | Beehive Operating, LLC | Active | Disposal | 80.7K | 10,000 | 2,650–3,700 | Aug 13, 2002 |
| Jennings, J. D. #384 | Sue-Ann Oper, L.C | Active | Enhanced recovery | 40.3K | 10,000 | 2,160–2,440 | Nov 8, 2024 |
| Hinojosa, G. G. #6D | Block "T" Petro, Inc | Active | Disposal | 19.5K | 5,000 | 2,800–4,000 | Aug 7, 1981 |
| Cuellar, E. #22 | RMX Oil & Gas, LLC | Active | Enhanced recovery | 9.94K | 500 | 3,014–3,031 | Jan 28, 2010 |
| EL Peyote Mineral Trust #5 | TD Natural Resources LLC | Active | Disposal | 8.96K | 5,000 | 2,096–2,320 | Sep 2, 2014 |
| Slator Ranch #5 | Bordertown Engy Res, LLC | Active | Disposal | 3.94K | 150 | 4,196–4,560 | Jan 10, 1985 |
| McCann, Catalina L. #1 | Arete Oper Co, LLC | Active | Disposal | 2.05K | 2,000 | 5,150–5,300 | Jul 28, 1994 |
| Ramirez Ltd #1 | Gn&j LLC | Active | Disposal | — | 10,000 | 4,200–8,500 | May 13, 2004 |
| Zapata SWD #1 | Bes, Environmental Services,inc | Active | Disposal | — | 10,000 | 2,800–4,300 | Apr 29, 2011 |
| Jennings, J. D. #48D | Sue-Ann Oper, L.C | Active | Enhanced recovery | — | 5,000 | 1,218–1,266 | Mar 26, 2013 |
| Thomasma, Ray J. #3 | Hilcorp Engy Co | Active | Enhanced recovery | — | 3,500 | 2,360–2,910 | Jul 9, 2012 |
| Mecom, J. W. (SWD) #14 | Paleo Oil Co LLC | Active | Disposal | — | 2,000 | 3,000–3,800 | Oct 5, 2000 |
| Uribe, P. #2 | Varas Energy Operating Company, | Active | Disposal | — | 1,000 | 3,100–4,200 | Jan 21, 1991 |
| Martinez, Lauro #4 | Bordertown Engy Res, LLC | Active | Disposal | — | 1,000 | 700–900 | Jun 6, 1996 |
| Jennings, J. D. #78D | Sue-Ann Oper, L.C | Active | Enhanced recovery | — | 500 | 1,191–1,238 | Dec 16, 1987 |
| King "B" #3A | Texxco Energy Services Inc | Active | Disposal | — | 10,000 | 3,000–6,000 | Jun 14, 1999 |
| King "B" #4 | Texxco Energy Services Inc | Active | Disposal | — | 6,000 | 3,000–4,000 | Jun 16, 2004 |
| Jennings, J. D. #294R | Sue-Ann Oper, L.C | Active | Enhanced recovery | — | 2,500 | 1,058–1,092 | Mar 7, 1997 |
| Guerra, Raul #1 | Vantage Operating II, LLC | Active | Disposal | — | 2,500 | 2,800–5,000 | Sep 2, 2003 |
| Jennings, J. D. #452 | Sue-Ann Oper, L.C | Cancelled | Enhanced recovery | 21.9K | 5,000 | 2,320–4,170 | Sep 20, 2012 |
| Marshall, S.G. #8 | TX Engy Services, LLC | Plugged | Disposal | — | 30,000 | 4,500–5,000 | Dec 7, 2006 |
| Saldana #1D | Riddle Oil Co | Plugged | Disposal | — | 12,000 | 2,450–3,100 | Nov 25, 1980 |
| G.S.A. #52 | CJ Petroleum Services, LLC | Plugged | Enhanced recovery | — | 10,000 | 4,940–5,935 | Oct 1, 2004 |
| G.S.A. #53 | CJ Petroleum Services, LLC | Plugged | Enhanced recovery | — | 10,000 | 1,400–3,400 | Oct 1, 2004 |
| Ramirez, Maria V. SWD #4D | Key Engy Services, LLC | Plugged | Disposal | — | 10,000 | 2,600–3,650 | Aug 22, 1996 |
| LA Roca SWD #1 | TX Engy Services, LLC | Plugged | Disposal | — | 10,000 | 1,600–2,400 | Feb 10, 2006 |
| Javalina SWD #1 | US Liquids of la., L.P | Cancelled | Disposal | — | 10,000 | 4,400–5,050 | May 20, 2013 |
| Villarreal, R. #1 | Key Engy Services, LLC | Plugged | Disposal | — | 6,000 | 2,300–3,100 | Jan 22, 1986 |
| Villareal, Rogelio #1 | Key Engy Services, LLC | Plugged | Enhanced recovery | — | 6,000 | 1,100–4,000 | Mar 25, 2005 |
| Medina/Lozano #1 | Key Engy Services, LLC | Plugged | Disposal | — | 6,000 | 2,300–3,100 | Aug 12, 1997 |
| Medina #1 | Med-Loz Lease Service, Inc | Cancelled | Disposal | — | 6,000 | 2,300–3,100 | Jul 10, 2001 |
| Cantu, A. #1 | Cactus S.W.D. Inc. | Cancelled | Disposal | — | 5,000 | 3,520–3,660 | Jun 17, 1982 |
| King "B" #3 A | Southwest Texas Serv Div of TA | Cancelled | Disposal | — | 5,000 | 3,000–3,721 | Jul 23, 1987 |
| Leonard #1 | TX Engy Services, LLC | Plugged | Disposal | — | 5,000 | 3,500–7,500 | Mar 26, 2008 |
| LA Perla #128 | Conocophillips Co | Cancelled | Disposal | — | 5,000 | 4,120–4,700 | Mar 6, 1992 |
| LA Perla #70 | Conocophillips Co | Plugged | Disposal | — | 5,000 | 3,940–4,900 | Mar 3, 1992 |
| Chihuahua Disposal System #1 | TX Engy Services, LLC | Plugged | Enhanced recovery | — | 5,000 | 2,760–3,300 | Mar 14, 2005 |
| Rathmell, J. G. #8 | Merit Engy Co | Inactive | Disposal | — | 5,000 | 2,850–4,350 | Mar 29, 1999 |
| Rathmell, J.G. #12 | Plains Expl & Prod. Co | Plugged | Disposal | — | 5,000 | 2,910–4,430 | Mar 29, 1999 |
| Gutierrez, J.M.B. #1 | HNG Fossil Fuels Co | Plugged | Enhanced recovery | — | 3,300 | 2,650–2,800 | Jan 31, 1997 |
| Gutierrez #1 | Key Engy Services, LLC | Plugged | Disposal | — | 3,000 | 4,150–5,350 | Jan 31, 1996 |
| Escobas SWD #1 | Synergy Oil & Gas, L.P | Plugged | Disposal | — | 3,000 | 1,900–3,000 | Nov 30, 1995 |
| Jennings #35WD | Pennzoil Expl & Prod. Co | Cancelled | Enhanced recovery | — | 3,000 | 3,875–5,170 | Sep 22, 1998 |
| Gutierrez, O. "B" #1 | Key Engy Services, LLC | Plugged | Disposal | — | 3,000 | 4,750–5,350 | Jul 11, 2002 |
| Los Mesquites #3D | Denali Oil & Gas Management, LLC | Cancelled | Disposal | — | 3,000 | 2,500–3,200 | Mar 6, 2009 |
| J. M. Sanchez Estate #4 | Gulf Oil Corp | Cancelled | Disposal | — | 2,500 | 3,340–4,100 | Jun 20, 1978 |
| E.t.martinez #2D | Gulf Oil Corp | Cancelled | Disposal | — | 2,500 | 3,700–4,600 | May 4, 1978 |
| Jennings, J. D. #504 | Sue-Ann Oper, L.C | Inactive | Enhanced recovery | — | 2,500 | 4,120–4,190 | Dec 13, 2017 |
| Trevino, E. Mrs. -B- #35 | Engy 2000, Inc | Cancelled | Other | — | 2,000 | 1,208–1,279 | Jul 7, 1965 |
| Jennings, J. D. #270WD | S M K Engy Corp | Cancelled | Disposal | — | 2,000 | 1,490–1,740 | Feb 3, 1984 |
| Lalajita Ranch #1 | Embark Environmental Hldgs., Ltd | Cancelled | Enhanced recovery | — | 2,000 | 2,400–3,700 | Jun 18, 1997 |
| Chihuahua Disp Syst. #1 | O. C. R. Investments, Inc | Cancelled | Other | — | 2,000 | 2,760–3,300 | May 16, 1995 |
| Dominguez, D. B. "A" #2 | Embark Environmental Hldgs., Ltd | Plugged | Enhanced recovery | — | 2,000 | 2,800–4,000 | Aug 29, 1997 |
| Jennings, J. D. #420 | Sue-Ann Oper, L.C | Plugged | Enhanced recovery | — | 2,000 | 1,371–1,445 | Dec 5, 2003 |
| Palmyra #1D | Cody Engy LLC | Cancelled | Enhanced recovery | — | 2,000 | 2,550–3,800 | Jul 17, 2007 |
| Morgenstern #1 | HNG Fossil Fuels Co | Cancelled | Disposal | — | 1,500 | 3,750–4,330 | Sep 13, 1996 |
| Ramirez SWD #1 | Dolphin Petroleum, LP | Plugged | Disposal | — | 1,200 | 2,600–3,700 | Sep 19, 1994 |
| G. S. A. #11WI | Villalon, J. Antonio, Trustee | Cancelled | Enhanced recovery | — | 1,000 | 1,174–1,184 | Aug 17, 1988 |
| Fulbright, J. E. "G" #2 | Hughes, Dan A. Co, L.P | Plugged | Disposal | — | 1,000 | 1,900–2,020 | May 10, 1993 |
| Benavides, Belia R. "B" #4 | Varas Energy Operating Company, | Inactive | Disposal | — | 1,000 | 3,400–4,500 | Dec 6, 2017 |
| Lopeno #13 | XTO Engy Inc | Plugged | Disposal | — | 900 | 2,090–2,400 | Jul 16, 1991 |
| Chargos Creek "D" #1 | Zapata Oil Partners, L.L.C. | Plugged | Enhanced recovery | — | 850 | 1,632–1,652 | Feb 2, 2011 |
| Jennings, J. D. #90 | S M K Engy Corp | Cancelled | Enhanced recovery | — | 700 | 1,252–1,278 | Dec 29, 1982 |
| Escobas -B-E- Unit #B 16 | Engy 2000, Inc | Plugged | Enhanced recovery | — | 700 | 1,230–1,271 | Jun 30, 1986 |
| Escobas -B-E- Unit #1618 | Engy 2000, Inc | Plugged | Enhanced recovery | — | 700 | 1,212–1,224 | Jun 30, 1986 |
| Escobas -B-E- Unit #1715 | Engy 2000, Inc | Plugged | Enhanced recovery | — | 700 | 1,224–1,250 | Jun 30, 1986 |
| Escobas -B-E- Unit #B 4 | McRae, Nathan Rathburn | Cancelled | Enhanced recovery | — | 600 | 1,227–1,244 | Nov 18, 1974 |
| Escobas -B-E- Unit #B 21 | Engy 2000, Inc | Plugged | Enhanced recovery | — | 600 | 1,214–1,244 | Nov 18, 1974 |
| Escobas -B-E- Unit #B 27 | McRae, N. D. & N. R. | Cancelled | Enhanced recovery | — | 600 | 1,216–1,250 | — |
| Escobas -B-E- Unit #B 29 | McRae, N. D. & N. R. | Cancelled | Enhanced recovery | — | 600 | 1,223–1,249 | — |
| Escobas -B-E- Unit #I 25 | McRae, N. D. & N. R. | Cancelled | Enhanced recovery | — | 600 | 1,229–1,259 | — |
| Zachry Fee #6 | Zachry, H. B. Co | Cancelled | Disposal | — | 600 | 3,338–3,740 | Aug 7, 1981 |
| Trevino -A- #68 | McRae, N. D. & N. R. | Cancelled | Other | — | 500 | 1,251–1,274 | Jun 9, 1959 |
| Jennings, J. D. #140D | S M K Engy Corp | Cancelled | Disposal | — | 500 | 1,270–1,525 | Oct 18, 1983 |
| Garcia, Anastasio #63 T | Synthetic Engy Corp | Cancelled | Enhanced recovery | — | 500 | 173–178 | Jul 17, 1964 |
| Garcia, Anastasio #74 M | Holmes Oil, Inc. | Cancelled | Enhanced recovery | — | 500 | 221–226 | Jul 17, 1964 |
| Garcia, Anastasio #B 42 | Synthetic Engy Corp | Cancelled | Enhanced recovery | — | 500 | 218–223 | Jul 17, 1964 |
| Garcia, Anastasio #B 45 | Synthetic Engy Corp | Cancelled | Enhanced recovery | — | 500 | 163–187 | Jul 17, 1964 |
| Jennings, J. D. #55 | S M K Engy Corp | Cancelled | Other | — | 500 | 1,271–1,377 | Apr 17, 1950 |
| Jennings, J. D. #130 | S M K Engy Corp | Cancelled | Other | — | 500 | 1,210–1,248 | Apr 17, 1950 |
| Jennings, J. D. #131 | S M K Engy Corp | Cancelled | Other | — | 500 | 1,226–1,261 | Apr 17, 1950 |
| Jennings, J. D. #113 | S M K Engy Corp | Cancelled | Other | — | 500 | 1,261–1,287 | Apr 17, 1950 |
| Ramirez, Julian R., Est. -A- #4 | Finaly Res LLC | Plugged | Enhanced recovery | — | 500 | 1,010–1,050 | Aug 29, 1991 |
| Garcia, Anastasio #3H | Synthetic Engy Corp | Cancelled | Enhanced recovery | — | 500 | 100–300 | Apr 24, 2007 |
| Garcia, Anastasio #5H | Synthetic Engy Corp | Cancelled | Enhanced recovery | — | 500 | 100–300 | Apr 24, 2007 |
| Haynes Mineral Trust #3 | Thrash Oil & Gas Co | Cancelled | Enhanced recovery | — | 450 | 1,044–1,066 | Mar 2, 1987 |
| Haynes Mineral Trust #E 11 | Thrash Oil & Gas Co | Cancelled | Enhanced recovery | — | 450 | 1,015–1,045 | Mar 2, 1987 |
| Haynes Mineral Trust #D 17 | Thrash Oil & Gas Co | Cancelled | Enhanced recovery | — | 450 | 1,018–1,028 | Mar 2, 1987 |
| Haynes Mineral Trust #D 53 | Thrash Oil & Gas Co | Cancelled | Enhanced recovery | — | 450 | 1,130–1,150 | Mar 2, 1987 |
| Haynes Mineral Trust #2 | Thrash Oil & Gas Co | Cancelled | Enhanced recovery | — | 450 | 970–986 | Mar 2, 1987 |
| Haynes Mineral Trust #D 8 | Thrash Oil & Gas Co | Cancelled | Enhanced recovery | — | 450 | 884–904 | Mar 2, 1987 |
| Jennings, J. D. #250WI | S M K Engy Corp | Cancelled | Enhanced recovery | — | 400 | 3,275–3,282 | Dec 20, 1971 |
| Jennings, J. D. #261 | S M K Engy Corp | Cancelled | Enhanced recovery | — | 400 | 3,284–3,302 | Dec 20, 1971 |
| Jennings, J. D. #262 | S M K Engy Corp | Cancelled | Enhanced recovery | — | 400 | 3,266–3,282 | Dec 20, 1971 |
| Jennings, J. D. #280 | S M K Engy Corp | Cancelled | Enhanced recovery | — | 400 | 3,257–3,272 | Dec 20, 1971 |
| Jennings, J. D. #281 | S M K Engy Corp | Cancelled | Enhanced recovery | — | 400 | 3,308–3,323 | Nov 6, 1972 |
| Jennings, J. D. #285WI | S M K Engy Corp | Cancelled | Enhanced recovery | — | 400 | 3,288–3,294 | Nov 6, 1972 |
Latest disposal drilling permits
W-1 drilling permits in the county tagged as produced-water disposal.
| Issued | Permit | Operator | Lease / well |
|---|---|---|---|
| Jan 7, 2013 | 754019 | US Liquids of la., L.P. | Javalina SWD #1 50536584 |
| May 10, 2011 | 715812 | Titan Vacuum Services, LLC | Zapata SWD #2 50531840 |
| Sep 10, 2010 | 701884 | Basic Energy Services, L.P. | Zapata SWD #1 50536531 |
| Aug 1, 2002 | 522429 | Dominion Expl. & Prod., Inc. | Guerra, Raul SWD #1 50534595 |
| Aug 1, 2002 | 522429 | Dominion Expl. & Prod., Inc. | Guerra, Raul SWD #1 50534595 |
| May 3, 1996 | 447458 | Transtexas Gas Corporation | Ramirez, Maria V. SWD #4 50533439 |
| May 3, 1996 | 447458 | Transtexas Gas Corporation | Ramirez, Maria V. SWD #4 50533439 |
| Oct 18, 1995 | 440988 | Pennzoil Exploration & Prod. Co. | Escobas SWD #1 50533363 |
| Jul 22, 1994 | 426191 | KCS Resources, Inc. | Ramirez SWD #1 50533225 |
| Mar 3, 1981 | 110467 | Texas Oil & Gas Corp. | Lopeno #13 D 50580446 |
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/zapata, documented in the API reference.