Saltwater Disposal Wells in Refugio County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
231
Permitted Capacity
2.1M bbl/d
Injected 12mo (thru 2025-06)
73.5M bbl
UIC Permits All Time
829
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Plugged | OCONNOR, DENNIS, ETAL -L- #4D | 42-391-31192 | T - C OIL CO | Disposal | 5,000 | -- | 3,820–4,030 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q415 | 42-391-00553 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,800–5,870 |
| Cancelled | LAMBERT GAS UNIT #71 | 42-391-01327 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,887–5,909 |
| Inactive | OCONNOR, THOMAS -A- #108 | 42-391-01762 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,755–5,780 |
| Plugged | WILLIAMS, MAUDE ET AL -A- #D 95 | 42-391-31190 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,920–3,940 |
| Cancelled | HEARD, FANNIE V.W. MRS. #88 | 42-391-30046 | HILCORP ENGY CO | Disposal | 5,000 | -- | 2,860–3,380 |
| Plugged | T-C OIL CO.- O'CONNOR #20 | 42-391-00380 | T - C OIL CO | Disposal | 5,000 | -- | 3,760–4,030 |
| Plugged | WILLIAMS, MAUDE, ETAL -A- #D 82 | 42-391-30323 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,720–3,750 |
| Cancelled | O'CONNOR, THOMAS -A- #13 | 42-391-01506 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,794–5,804 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #H066 | 42-391-01312 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,840–5,855 |
| Cancelled | OCONNOR, THOMAS -A- #79 | 42-391-01759 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,295–3,376 |
| Cancelled | LAMBERT, M.F. #H 64 | 42-391-01310 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,860–5,873 |
| Cancelled | LAMBERT, M. F. #34D | 42-391-01455 | HEWIT & DOUGHERTY | Disposal | 5,000 | -- | 3,876–3,906 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #N217 | 42-391-01727 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,842–5,852 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q094W | 42-391-01554 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,257–3,322 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #C220 | 42-391-01600 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,841–5,850 |
| Plugged | OCONNOR #E 4 | 42-391-00063 | T - C OIL CO | Disposal | 5,000 | -- | 2,231–2,237 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q067D | 42-391-81357 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,441–3,479 |
| Plugged | HYNES #7 | 42-391-31663 | MAGNUM PRODUCING & OPER CO | Injection | 5,000 | -- | 3,660–4,860 |
| Cancelled | O'CONNOR, THOMAS -C- #15D | 42-391-00000 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,690–3,720 |
| Cancelled | HEARD, CLAUDE E. , ET AL #28 | 42-391-00642 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,354–3,362 |
| Plugged | OCONNOR #22 | 42-391-00187 | T - C OIL CO | Injection | 5,000 | -- | 5,663–5,668 |
| Plugged | WILLIAMS, MAUDE, ETAL -A- #68 | 42-391-00458 | HILCORP ENGY CO | Disposal | 5,000 | -- | 3,383–3,426 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q011 | 42-391-01504 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,770–5,783 |
| Plugged | TOM O'CONNOR (5730 FT. SD.) UNIT #C 5 | 42-391-32163 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,880–5,930 |
| Cancelled | OCONNOR, THOMAS -C- #45 | 42-391-02022 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,780–3,810 |
| Plugged | LA ROSA UNIT #40 | 42-391-03381 | REMORA MANAGEMENT, LLC | Injection | 5,000 | -- | 4,520–5,630 |
| Plugged | HEARD, FANNIE V. W. #12 | 42-391-00796 | YOUNGBLOOD, C. S. III | Disposal | 5,000 | -- | 1,915–1,972 |
| Cancelled | TOM O'CONNOR(5600 FOOT SAND)UNIT #W360B | 42-391-00729 | HILCORP ENGY CO | Injection | 5,000 | -- | 4,300–5,700 |
| Plugged | WILLIAMS, MAUDE, ETAL -A- #D 7 | 42-391-00273 | QUINTANA PET. CORP | Injection | 5,000 | -- | 4,440–4,455 |
| Plugged | OBRIEN, J. M., -A- #6 | 42-391-30189 | BRINKERHOFF OIL CO | Disposal | 5,000 | -- | 3,250–3,275 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #J101 | 42-391-00542 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,938–5,954 |
| Plugged | OCONNOR, THOMAS -E- #29 | 42-391-01653 | T-C OIL CO, LLC | Disposal | 5,000 | -- | 3,865–3,940 |
| Plugged | OCONNOR, THOMAS -E- #37 | 42-391-01661 | T - C OIL CO | Disposal | 5,000 | -- | 3,855–3,885 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #N208 | 42-391-01714 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,777–5,792 |
| Plugged | OCONNOR, LAWRENCE W. ESTATE OF #8R | 42-391-30481 | PACE OIL AND GAS CO | Disposal | 5,000 | -- | 3,620–3,730 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #N203 | 42-391-81273 | QUINTANA PET. CORP | Injection | 5,000 | -- | 5,796–5,810 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q231 | 42-391-01175 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,684–5,708 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q003 | 42-391-01536 | HILCORP ENGY CO | Disposal | 5,000 | -- | 3,690–4,000 |
| Plugged | O'CONNOR -H- #21 | 42-391-00036 | T-C OIL CO, LLC | Disposal | 5,000 | -- | 3,450–3,580 |
| Inactive | TOM OCONNOR (5800 SD) FLD. UNIT #Q841 | 42-391-81464 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,800–5,850 |
| Cancelled | RAMIREZ #1 | 42-391-32859 | WILLCO SERVICES, INC. | Disposal | 5,000 | -- | 3,780–4,140 |
| Plugged | OBRIEN, J. M. -B- #203 | 42-391-01021 | YOUNGBLOOD, C. S. III | Disposal | 4,600 | -- | 3,798–3,838 |
| Plugged | HEARD, IRA -A- #5 | 42-391-00740 | TEXACO INC | Disposal | 4,500 | -- | 1,925–1,975 |
| Plugged | OCONNOR, MARY ELLEN #31 | 42-391-30009 | DOLPHIN PETROLEUM, LP | Disposal | 4,500 | -- | 1,800–3,900 |
| Plugged | O'CONNER, MARY ELLEN #45 | 42-391-30584 | DOLPHIN PETROLEUM, LP | Disposal | 4,500 | -- | 1,800–4,050 |
| Plugged | NIEMANN, EMIL #6 | 42-391-03582 | MISSION RIVER SYSTEMS, INC | Disposal | 4,500 | -- | 3,650–4,060 |
| Plugged | SCHIRMER, HENRY #11 | 42-391-03619 | CHRISTOPHER OIL & GAS INC | Disposal | 4,300 | -- | 3,650–3,952 |
| Plugged | REILLY, W. J., ETAL #1 | 42-391-80528 | KOVAR OPER, LLC | Disposal | 4,200 | -- | 4,135–4,400 |
| Plugged | ROCHE, K. D. -A- #33 | 42-391-03158 | KOVAR OPER, LLC | Disposal | 4,000 | -- | 4,570–4,900 |
| Cancelled | WILLIAMS, MAUDE ET AL -A- #2G | 42-391-00470 | QUINTANA PET. CORP | Disposal | 4,000 | -- | 3,594–3,786 |
| Plugged | J. M. O'BRIEN 'A' #7 | 42-391-00957 | DEWBRE PETRO CORP | Injection | 4,000 | -- | 4,352–4,395 |
| Cancelled | OCONNOR -D- #D 25 | 42-391-30332 | T - C OIL CO | Disposal | 4,000 | -- | 6,520–6,750 |
| Plugged | OCONNOR, THOMAS -E- #33 | 42-391-01657 | COPANO CO | Injection | 4,000 | -- | 5,827–5,834 |
| Plugged | OBRIEN, J.M. #35L | 42-391-01048 | PRIMROSE OPER CO | Injection | 4,000 | -- | 3,165–3,215 |
| Plugged | OBRIEN, J. M., -D- & -E- #E 2 | 42-391-00939 | CHILTON ENGY | Disposal | 4,000 | -- | 3,500–3,800 |
| Plugged | LAMBERT, M. F. #H 19 | 42-391-01205 | HILCORP ENGY CO | Disposal | 4,000 | -- | 3,600–4,000 |
| Plugged | LAMBERT, M. F. #6A | 42-391-01208 | KOVAR OPER, LLC | Disposal | 4,000 | -- | 3,550–3,900 |
| Plugged | HOUGHTON #4 | 42-391-03594 | H-M OIL CO | Disposal | 4,000 | -- | 3,630–4,090 |
| Plugged | WILLIAMS, MAUDE, ET AL -A- #58 | 42-391-00454 | HILCORP ENGY CO | Injection | 4,000 | -- | 5,485–5,510 |
| Plugged | OCONNOR, THOMAS -E- #67 | 42-391-01691 | COPANO CO | Injection | 4,000 | -- | 5,878–5,886 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #C413 | 42-391-01636 | QUINTANA PET. CORP | Disposal | 4,000 | -- | 3,600–3,830 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q331 | 42-391-00561 | HILCORP ENGY CO | Injection | 4,000 | -- | 5,743–5,772 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q801SD | 42-391-81447 | QUINTANA PET. CORP | Disposal | 4,000 | -- | 3,378–3,410 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q327 | 42-391-00559 | HILCORP ENGY CO | Injection | 4,000 | -- | 5,718–5,730 |
| Plugged | LAMBERT, M. F. #G 3 | 42-391-01450 | H & D OPER CO | Disposal | 4,000 | -- | 3,766–3,955 |
| Cancelled | OCONNOR -D- #D 3 | 42-391-00224 | T - C OIL CO | Disposal | 4,000 | -- | 3,835–3,865 |
| Plugged | HEARD, IRA -B- #8 | 42-391-00743 | QUINTANA PET. CORP | Injection | 4,000 | -- | 2,200–3,500 |
| Inactive | OCONNOR, THOMAS -A- #84 | 42-391-01551 | HILCORP ENGY CO | Injection | 3,500 | -- | 5,300–5,870 |
| Plugged | LAMBERT, MARY F. -A- #5 | 42-391-01377 | YOUNGBLOOD, C. S. III | Disposal | 3,500 | -- | 3,880–4,010 |
| Inactive | TOM O'CONNOR (5730 FT. SD.) UNIT #A 51A | 42-391-00481 | HILCORP ENGY CO | Injection | 3,500 | -- | 5,792–5,830 |
| Inactive | HEARD, FANNIE V. W., MRS. #48 | 42-391-00570 | HILCORP ENGY CO | Injection | 3,500 | -- | 5,640–5,770 |
| Plugged | LAMBERT, M. F. #38D | 42-391-01408 | H & D OPER CO | Disposal | 3,500 | -- | 3,125–3,475 |
| Plugged | WILLIAMS, MAUDE, ETAL -A- #32 | 42-391-81954 | QUINTANA PET. CORP | Disposal | 3,500 | -- | 3,611–3,982 |
| Cancelled | TOM O'CONNOR(5600 FOOT SAND)UNIT #W725B | 42-391-33152 | HILCORP ENGY CO | Injection | 3,015 | -- | 5,450–5,610 |
| Plugged | O'CONNOR, THOMAS "A" #70 | 42-391-01525 | QUINTANA PET. CORP | Disposal | 3,000 | -- | 3,820–3,850 |
| Plugged | LAMBERT #G 9 | 42-391-01360 | HILCORP ENGY CO | Disposal | 3,000 | -- | 3,800–4,000 |
| Plugged | OCONNOR, THOMAS -C- #15 | 42-391-01565 | QUINTANA PET. CORP | Injection | 3,000 | -- | 3,379–3,406 |
| Cancelled | O'CONNER -D- #D 31 | 42-391-30534 | T - C OIL CO | Disposal | 3,000 | -- | 3,416–3,428 |
| Cancelled | HEARD, MRS. FANNIE V. W. #103 | 42-391-31690 | HILCORP ENGY CO | Injection | 3,000 | -- | 5,670–5,730 |
| Plugged | HEARD, WILSON JR. -B- #7 | 42-391-30198 | TEXACO INC | Disposal | 3,000 | -- | 1,750–1,968 |
| Plugged | SCHIRMER, HENRY -C- #3 | 42-391-03624 | RUTHERFORD OIL CORP | Disposal | 3,000 | -- | 3,975–4,075 |
| Plugged | T-C OIL CO. OCONNOR #8 | 42-391-00371 | T - C OIL CO | Disposal | 3,000 | -- | 3,821–3,831 |
| Cancelled | WILLIAMS, MAUDE, ETAL -A- #D 25D | 42-391-00353 | QUINTANA PET. CORP | Disposal | 3,000 | -- | 3,726–3,756 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q353 | 42-391-00706 | HILCORP ENGY CO | Injection | 3,000 | -- | 5,724–5,737 |
| Cancelled | TOM O'CONNOR (5730 FT. SD.) UNIT #A 49A | 42-391-00479 | HILCORP ENGY CO | Injection | 3,000 | -- | 5,450–5,600 |
| Plugged | HEARD, FANNIE V.W. #4 | 42-391-00791 | YOUNGBLOOD, C. S. III | Disposal | 3,000 | -- | 3,530–3,920 |
| Plugged | O'CONNOR, MARY ELLEN #A 6 | 42-391-01894 | EMERALD OIL & GAS LC | Injection | 3,000 | -- | 3,580–3,700 |
| Inactive | WLP #99 | 42-391-33261 | T-C OIL CO, LLC | Injection | 3,000 | -- | 4,479–4,522 |
| Plugged | SCANIO, M #6 | 42-391-32504 | PALOMA OPER, LLC | Injection | 3,000 | -- | 5,688–6,347 |
| Plugged | O'CONNOR, MARY ELLEN #A 3 | 42-391-01893 | EMERALD OIL & GAS LC | Injection | 3,000 | -- | 3,850–3,860 |
| Cancelled | OCONNOR, THOMAS -A- #31D | 42-391-00000 | QUINTANA PET. CORP | Disposal | 3,000 | -- | 3,780–3,810 |
| Plugged | FOX-HEARD ETAL #1 | 42-391-02712 | COASTAL MATERIALS INC. | Disposal | 3,000 | -- | 4,100–4,300 |
| Plugged | WILLIAMS, MAUDE ET AL -A- #D 66 | 42-391-00218 | QUINTANA PET. CORP | Disposal | 3,000 | -- | 3,849–3,876 |
| Plugged | WILLIAMS, MAUDE, ETAL -A- #D 2SW | 42-391-31175 | QUINTANA PET. CORP | Disposal | 3,000 | -- | 3,740–3,788 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #C475 | 42-391-01699 | QUINTANA PET. CORP | Injection | 3,000 | -- | 5,834–5,850 |
| Plugged | T-C OIL CO.- O'CONNOR #39 | 42-391-00382 | T-C OIL CO, LLC | Disposal | 3,000 | -- | 3,770–4,030 |
| Plugged | LAMBERT, M. F. #U 11 | 42-391-01246 | HILCORP ENGY CO | Disposal | 3,000 | -- | 3,800–3,900 |
| Plugged | HEARD, FANNIE V. W. MRS. #25 | 42-391-00693 | HILCORP ENGY CO | Injection | 3,000 | -- | 5,717–5,726 |
| Cancelled | O'CONNOR, L.W. #2 | 42-391-01900 | EMERALD OIL & GAS LC | Injection | 3,000 | -- | 3,010–4,040 |
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.