Saltwater Disposal Wells in San Patricio County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
54
Permitted Capacity
439,400 bbl/d
Injected 12mo (thru 2025-06)
12.1M bbl
UIC Permits All Time
372
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Plugged | WELDER "D" #13 | 42-409-01715 | MARATHON OIL CO | Disposal | 8,500 | -- | 4,690–4,995 |
| Plugged | TEETER, J. A. #5 | 42-409-31611 | EOG RES, INC | Injection | 8,000 | -- | 5,900–8,100 |
| Plugged | WELDER, E. H., -C- #47 | 42-409-01571 | MARATHON OIL CO | Disposal | 8,000 | -- | 4,750–5,020 |
| Plugged | FLINN, J. W., ESTATE #12 L | 42-409-04120 | SUE-ANN OIL & GAS CO | Injection | 8,000 | -- | 4,030–4,050 |
| Plugged | SOLAR-FICKE DEEP #1 | 42-409-30223 | NYE EXPL & PROD, L.L.C | Injection | 8,000 | -- | 4,900–5,500 |
| Plugged | NELSON, A. E. #1D | 42-409-01301 | MAGNUM PRODUCING & OPER CO | Disposal | 8,000 | -- | 4,415–5,600 |
| Cancelled | BRASHEAR-FRAZIER UNT #1 | 42-409-00000 | PASCO OIL COMPANY | UIC | 8,000 | -- | 7,133 |
| Plugged | WELDER, E. H. -C- #24 | 42-409-01873 | MARATHON OIL CO | Disposal | 8,000 | -- | 4,760–4,990 |
| Plugged | WELDER, E. H., -C- #76 | 42-409-01846 | MARATHON OIL CO | Disposal | 8,000 | -- | 3,875–5,005 |
| Plugged | WELDER, E. H., -C- #68 | 42-409-01865 | MARATHON OIL CO | Disposal | 8,000 | -- | 3,860–5,000 |
| Cancelled | BROWN #1 | 42-409-33079 | WELDER EXPL & PROD., INC | Injection | 8,000 | -- | 5,000–5,200 |
| Plugged | WELDER, E. H., -C- #12 | 42-409-01564 | MARATHON OIL CO | Disposal | 8,000 | -- | 4,880–5,020 |
| Inactive | ROOTS, W. L. #2 | 42-409-30562 | WELDERXP LTD | Injection | 7,500 | -- | 4,750–5,400 |
| Inactive | ROOTS, W.L. #4 | 42-409-31505 | WELDERXP LTD | Injection | 7,500 | -- | 4,895–5,159 |
| Inactive | ROOTS, W. L. #3 | 42-409-31447 | WELDERXP LTD | Injection | 7,500 | -- | 4,750–5,400 |
| Plugged | COLE, LIZZIE -D- #1 | 42-409-03105 | MARATHON OIL CO | Disposal | 7,000 | -- | 1,275–1,675 |
| Plugged | COLE -D- #2 | 42-409-03106 | EOG RES, INC | Disposal | 7,000 | -- | 3,330–3,550 |
| Plugged | WELDER, MINNIE S. #44WD | 42-409-01679 | SUPERIOR OIL CO, THE | Disposal | 7,000 | -- | 1,990–2,064 |
| Plugged | WELDER, R. H., -B- #3 | 42-409-00476 | MARATHON OIL CO | Disposal | 6,000 | -- | 2,807–3,062 |
| Plugged | WELDER, R. H. #1WD | 42-409-01771 | SMITH PROD INC | Disposal | 6,000 | -- | 4,000–4,320 |
| Plugged | TAFT GIN AND SEED CO A #2 | 42-409-01312 | BLACKLAND OIL & GAS | Disposal | 6,000 | -- | 3,780–3,833 |
| Plugged | WELDER, R. H. -B- #9 | 42-409-00468 | MARATHON OIL CO | Disposal | 6,000 | -- | 3,720–4,600 |
| Plugged | WELDER, MINNIE S. #12 | 42-409-01649 | ALLEGIANT RES, LLC | Disposal | 5,500 | -- | 4,760–4,990 |
| Plugged | WELDER, R.H. "B" #13 | 42-409-00386 | SYDRI OPER, LLC | Disposal | 5,000 | -- | 3,765–4,730 |
| Plugged | BRITTAIN, J. L. #6 | 42-409-01999 | PULLIN LEASE SERVICE, INC | UIC | 5,000 | -- | 4,130–4,330 |
| Cancelled | WELDER, R. H. #50 | 42-409-01762 | TEXACO E & P INC | UIC | 5,000 | -- | 4,685–4,700 |
| Cancelled | BRITTAIN, J.L. #5 | 42-409-01998 | PULLIN LEASE SERVICE, INC | UIC | 5,000 | -- | 4,130–4,330 |
| Plugged | MAYO, J. W., A/C 1 #2 A | 42-409-81024 | YOUNGBLOOD, C. S. III | Disposal | 5,000 | -- | 1,360–1,640 |
| Cancelled | BEYER #1M | 42-409-30559 | MAGNUM PRODUCING & OPER CO | Injection | 5,000 | -- | 2,980–5,820 |
| Plugged | WELDER, R. H. #26 | 42-409-01631 | TEXACO E & P INC | UIC | 5,000 | -- | 4,668–4,672 |
| Plugged | MAYO-OWENS GAS UNIT #3 | 42-409-31301 | ABRAXAS PETRO CORP | Disposal | 5,000 | -- | 3,000–4,350 |
| Plugged | SCHMIDT, DAVID ALLEN #2 A | 42-409-30401 | TAFT S.W.D. INC. | Injection | 5,000 | -- | 3,950–4,300 |
| Plugged | SCHMIDT, DAVID ALLEN #10 | 42-409-32129 | TAFT S.W.D. INC. | Injection | 5,000 | -- | 3,950–4,300 |
| Plugged | KIRK, W. E. #7 | 42-409-03187 | UNIT PETRO CO | Disposal | 5,000 | -- | 4,364–4,460 |
| Plugged | SMITH, DRA L. #1 | 42-409-02887 | GERONIMO OIL CO | Disposal | 5,000 | -- | 4,010–4,300 |
| Cancelled | BRITTAIN, J. L. #4 | 42-409-01997 | PULLIN LEASE SERVICE, INC | Injection | 5,000 | -- | 3,800–4,100 |
| Plugged | MCCAMPBELL, L. L. #1 | 42-409-02248 | THUNDERBIRD ENGY, INC | Disposal | 5,000 | -- | 1,800–2,063 |
| Plugged | WELDER, R. H. #1WD | 42-409-01771 | TEXACO INC | UIC | 5,000 | -- | 4,664–4,690 |
| Plugged | TAFT GIN AND SEED CO A #1 | 42-409-81044 | GREEN EXPLORATION COMPANY | Injection | 5,000 | -- | 4,356–4,358 |
| Cancelled | WELDER, E. H., -C- #88 | 42-409-01841 | MCGOWAN WORKING PTRS, INC | Injection | 5,000 | -- | 5,636–5,796 |
| Plugged | WELDER, R. H. #13WD | 42-409-01505 | SMITH PROD INC | Disposal | 5,000 | -- | 4,000–4,350 |
| Plugged | WELDER, R. H. #2WD | 42-409-01772 | SMITH PROD INC | Disposal | 5,000 | -- | 4,000–4,350 |
| Plugged | BRUNKS #1 | 42-409-32400 | MPG PETRO, INC | Disposal | 5,000 | -- | 7,700–8,060 |
| Plugged | WELDER, R. H. -C- #30 | 42-409-04003 | TEXAS CHEROKEE OIL & GAS CORP. | Disposal | 5,000 | -- | 2,170–2,210 |
| Plugged | WELDER, R. H. -C- #6 | 42-409-00402 | TEXAS CHEROKEE OIL & GAS CORP. | Disposal | 5,000 | -- | 2,300–2,320 |
| Plugged | IVEY, B. E. C #1 | 42-409-31954 | IV L.C | Disposal | 5,000 | -- | 4,520–4,570 |
| Plugged | WELDER "D" #10 | 42-409-01713 | MARATHON OIL CO | Disposal | 5,000 | -- | 4,705–4,990 |
| Plugged | WELDER "D" #2 | 42-409-01712 | SANDALWOOD OIL & GAS, INC | Disposal | 5,000 | -- | 4,700–4,990 |
| Plugged | WELDER "D" #3 | 42-409-01707 | MARATHON OIL CO | Disposal | 4,400 | -- | 4,735–4,935 |
| Plugged | WELDER, E. H., -C- #112 | 42-409-80966 | MARATHON OIL CO | UIC | 4,250 | -- | 5,497–5,514 |
| Plugged | WELDER, E. H., -C- #60 | 42-409-01271 | MARATHON OIL CO | UIC | 4,250 | -- | 5,507–5,525 |
| Plugged | WELDER, E. H., -C- #92 | 42-409-01803 | MARATHON OIL CO | UIC | 4,250 | -- | 5,492–5,502 |
| Plugged | WELDER, E. H., -C- #48 | 42-409-01815 | MARATHON OIL CO | UIC | 4,250 | -- | 5,480–5,502 |
| Plugged | EXXON SPEER FEE #8 | 42-409-03092 | GREEN EXPLORATION COMPANY | Disposal | 4,200 | -- | 1,350–1,545 |
| Plugged | COGGIN, DANIEL I. JR., ET AL #4A | 42-409-31512 | CHESNUT OIL AND GAS, INC | Injection | 4,000 | -- | 2,918–2,942 |
| Cancelled | WELDER, R. H. #47 | 42-409-01759 | TEXACO E & P INC | UIC | 4,000 | -- | 4,710–4,740 |
| Cancelled | WELDER, R. H. #44 | 42-409-01756 | TEXACO E & P INC | UIC | 4,000 | -- | 4,720–4,750 |
| Plugged | SMITH, ORA L. #1WD | 42-409-02883 | GERONIMO OIL CO | Disposal | 4,000 | -- | 4,160–4,250 |
| Plugged | PENDERGRAFT #3 | 42-409-00546 | B & D DISPOSALS | Disposal | 4,000 | -- | 1,830–1,855 |
| Cancelled | WELDER, R. H. #42 | 42-409-01754 | TEXACO E & P INC | UIC | 4,000 | -- | 4,710–4,740 |
| Plugged | WELDER, J. F. UNIT #C 35 | 42-409-30237 | TEXACO INC | Disposal | 4,000 | -- | 1,600–3,000 |
| Plugged | MAYO #11D | 42-409-01402 | PEARL, BILL H. PRODUCTIONS, INC | Disposal | 4,000 | -- | 3,050–3,900 |
| Cancelled | BROWNING-FERRIS,INC. #1 | 42-409-00000 | BROWNING-FERRIS, INC. | Disposal | 4,000 | -- | 3,700–4,550 |
| Cancelled | FLINN #2D | 42-409-01423 | MAGNUM PRODUCING & OPER CO | Injection | 4,000 | -- | 2,850–4,000 |
| Plugged | WELDER, R. H. #43WD | 42-409-01755 | TEXACO INC | UIC | 4,000 | -- | 4,720–4,750 |
| Plugged | WELDER, R. H. #38 | 42-409-01751 | TEXACO INC | UIC | 4,000 | -- | 4,710–4,740 |
| Plugged | HUNT, J. M. #7 | 42-409-01451 | KAMLOK, INC | Disposal | 4,000 | -- | 4,100–4,150 |
| Plugged | MAYO, J. W. A/C #1 #66 D | 42-409-03935 | HEC PETROLEUM, INC. | Injection | 3,500 | -- | 3,920–3,940 |
| Plugged | WELDER, R. H. -H- #1 | 42-409-01595 | INTERCITY MANAGEMENT CORP | Disposal | 3,500 | -- | 4,708–4,840 |
| Plugged | WELDER, R. H. -H- #7 | 42-409-01535 | INTERCITY MANAGEMENT CORP | Disposal | 3,500 | -- | 4,700–4,830 |
| Plugged | MAYO, J. W., A/C 1 #66 F | 42-409-03935 | HEC PETROLEUM, INC. | Injection | 3,500 | -- | 3,920–3,940 |
| Plugged | WELDER, MINNIE S. #2WD | 42-409-01694 | ABRAXAS PETRO CORP | Disposal | 3,250 | -- | 1,000–2,100 |
| Cancelled | CHILTIPIN STATE TRACT #3 #3 | 42-409-80325 | GREEN EXPLORATION COMPANY | Disposal | 3,000 | -- | 4,768–5,072 |
| Plugged | COUNTY #6 | 42-409-00724 | KEN PETRO CORP | Disposal | 3,000 | -- | 1,570–1,600 |
| Plugged | TAFT GIN AND SEED CO C #3 | 42-409-01315 | BLACKLAND OIL & GAS | Injection | 3,000 | -- | 3,728–3,820 |
| Plugged | TAFT GIN AND SEED CO., INC. #4 | 42-409-01306 | HAAS, C. F. OIL & GAS INC | Injection | 3,000 | -- | 4,475–4,575 |
| Plugged | SCHMIDT, DAVID ALLEN ET UX #4 | 42-409-01316 | HAAS, C. F. OIL & GAS INC | Injection | 3,000 | -- | 4,080–4,470 |
| Plugged | TOUCHSTONE #6 | 42-409-00518 | KEN PETRO CORP | Disposal | 3,000 | -- | 1,560–1,570 |
| Cancelled | BEVLY, W. M. #D 1 | 42-409-01916 | DIVERSIFIED O&G PROD. CO., INC. | Injection | 3,000 | -- | 4,810–5,050 |
| Plugged | AMOS, M. #1 | 42-409-00629 | RICHARDS, BOB | Disposal | 3,000 | -- | 1,110–1,155 |
| Cancelled | CHILTIPIN STATE TRACT #3 #5 | 42-409-80327 | SOUTH CENTRAL TEXAS OIL & GAS CO | Disposal | 3,000 | -- | 4,690–4,990 |
| Plugged | BEVLY, W. M. #1D | 42-409-01916 | DIVERSIFIED O&G PROD. CO., INC. | Disposal | 3,000 | -- | 2,733–2,776 |
| Plugged | WELDER RANCH #2 | 42-409-03866 | URBAN OIL & GAS GROUP, LLC | Injection | 3,000 | -- | 2,650–3,050 |
| Plugged | FLINN HEIRS #1 | 42-409-32153 | CORE E & P CORP | Injection | 3,000 | -- | 6,950–7,230 |
| Plugged | MAYO #3 | 42-409-01404 | PEARL, BILL H. PRODUCTIONS, INC | Disposal | 3,000 | -- | 3,997–4,002 |
| Cancelled | CHILTIPIN STATE TRACT #3 #4 | 42-409-01796 | GREEN EXPLORATION COMPANY | Disposal | 3,000 | -- | 4,700–5,000 |
| Plugged | FORD, M. W. #1 | 42-409-30395 | GULFMAX ENVIRONMENTAL, LLC | Disposal | 3,000 | -- | 4,070–4,300 |
| Plugged | SMITH, ORA L. #6 | 42-409-02888 | CARRIZO OIL & GAS, INC | Injection | 3,000 | -- | 1,130–1,475 |
| Plugged | SMITH, ORA L. #3 | 42-409-04077 | CHESNUT OIL AND GAS, INC | Injection | 3,000 | -- | 1,160–1,460 |
| Inactive | BRAMMER, J. L., ETAL #4 | 42-409-03966 | MPG PETRO, INC | Disposal | 2,500 | -- | 6,700–6,942 |
| Plugged | MARIE WELDER FORD #5B | 42-409-32968 | GULFMAX ENVIRONMENTAL, LLC | Injection | 2,500 | -- | 3,970–4,916 |
| Plugged | J. H. HARVEY UNIT #2 | 42-409-32697 | MAGNUM PRODUCING & OPER CO | Disposal | 2,500 | -- | 3,550–4,900 |
| Plugged | WELDER "C" #3 | 42-409-32336 | DALLAS PETRO GROUP, LLC | Disposal | 2,500 | -- | 2,700–3,000 |
| Plugged | SMITH, M. C. #5D | 42-409-03661 | WAGNER OIL CO | Disposal | 2,500 | -- | 3,700–4,300 |
| Cancelled | NELSON, M. C. #3D | 42-409-00000 | PASCO OPERATING COMPANY | Disposal | 2,200 | -- | 2,578–3,100 |
| Plugged | BEVLY, W. M. #5 | 42-409-01920 | DIVERSIFIED O&G PROD. CO., INC. | Disposal | 2,000 | -- | 1,500–3,000 |
| Plugged | IVEY, B. E. #6 | 42-409-02581 | MCWILLIAMS OPERATING CO | Disposal | 2,000 | -- | 2,235–2,300 |
| Cancelled | SMITH, ORA L. #6 | 42-409-02888 | GERONIMO OIL CO | Disposal | 2,000 | -- | 1,900–2,000 |
| Cancelled | SMITH, ORA L. #3D | 42-409-00000 | GERONIMO OIL CO | Disposal | 2,000 | -- | 4,140–4,630 |
| Cancelled | ROOTS, W. L. #1 D | 42-409-81461 | WELDERXP LTD | Disposal | 2,000 | -- | 4,913–5,030 |
Source: RRC UIC well master and H-10 injection filings. H-10s are annual filings on staggered anniversaries — injected volumes shown through 2025-06, the newest month with complete reporting; recent months are never estimated.