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 | OBRIEN, J. M., -B- #4 | 42-391-00912 | ACOCK/ANAQUA OPER CO., LP | Injection | 7,500 | -- | 4,250–4,365 |
| Plugged | O'CONNOR, L.W. #23 | 42-391-01903 | O'CONNOR ENGY MANAGEMENT, LLC | Injection | 7,500 | -- | 3,100–4,000 |
| Cancelled | T-C OIL CO.-O'CONNOR #43 | 42-391-00000 | T - C OIL CO | Injection | 7,200 | -- | 4,455–4,494 |
| Cancelled | T-COIL CO.-O'CONNOR #42D | 42-391-00000 | T - C OIL CO | Injection | 7,200 | -- | 4,444–4,480 |
| Plugged | O'CONNER -D- #D 17 | 42-391-00386 | T-C OIL CO, LLC | Injection | 7,200 | -- | 4,465–4,500 |
| Plugged | T-C OIL CO. - O'CONNOR #42 | 42-391-00384 | T-C OIL CO, LLC | Injection | 7,200 | -- | 4,444–4,480 |
| Plugged | O'BRIEN, J. M. #33D | 42-391-01046 | PRIMROSE OPER CO | Injection | 7,000 | -- | 3,180–3,216 |
| Inactive | WILLIAMS, MAUDE ET AL -B- #2 | 42-391-00512 | HILCORP ENGY CO | Injection | 7,000 | -- | 5,830–5,900 |
| Cancelled | HEARD, FANNIE V. W., MRS. #57 | 42-391-00574 | QUINTANA PET. CORP | Disposal | 7,000 | -- | 3,778–3,808 |
| Plugged | LAMBERT, M. F. #98 | 42-391-03944 | H & D OPER CO | Disposal | 7,000 | -- | 3,680–3,915 |
| Plugged | OBRIEN, J. J., -A- #2 | 42-391-00932 | ACOCK/ANAQUA OPER CO., LP | UIC | 7,000 | -- | 3,470–3,880 |
| Inactive | HEARD, J. F. B. - TEX #9 | 42-391-00898 | GRETA OPER CO LLC | Injection | 6,500 | -- | 4,370–4,550 |
| Plugged | DODSON, MARY J. -B- #2 | 42-391-80436 | RUTHERFORD OIL CORP | Disposal | 6,500 | -- | 4,495–4,560 |
| Plugged | MARBERRY "B" #4 | 42-391-31317 | ALLEGIANT RES, LLC | Disposal | 6,000 | -- | 1,790–2,560 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q302 | 42-391-00672 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,778–5,794 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q303 | 42-391-31743 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,758–5,774 |
| Inactive | HEARD, CLAUDE E. ET AL #10 | 42-391-00545 | HILCORP ENGY CO | Injection | 6,000 | -- | 4,130–4,160 |
| Plugged | TOM O'CONNOR (4150 FT. SD.) UNIT #W510A | 42-391-00847 | HILCORP ENGY CO | Injection | 6,000 | -- | 4,145–4,175 |
| Plugged | HEARD FANNIE V W #29 | 42-391-31758 | ACOCK/ANAQUA OPER CO., LP | Injection | 6,000 | -- | 3,475–3,850 |
| Inactive | HEARD, CLEMENT #21 | 42-391-30204 | HILCORP ENGY CO | Injection | 6,000 | -- | 4,406–4,496 |
| Cancelled | TOM O'CONNOR (4150 FT. SD.) UNIT #W051A | 42-391-01550 | HILCORP ENGY CO | Injection | 6,000 | -- | 4,160–4,180 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q304 | 42-391-31744 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,768–5,784 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #E002 | 42-391-00801 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,919–5,928 |
| Plugged | O CONNOR, THOS. -B- #23 | 42-391-01804 | QUINTANA PET. CORP | Disposal | 6,000 | -- | 4,050–4,830 |
| Plugged | ROCHE, K. D. -A- #22 | 42-391-03174 | HEWIT & DOUGHERTY | Disposal | 6,000 | -- | 4,605–4,920 |
| Plugged | O'CONNOR, THOMAS "B" #B 41 | 42-391-01621 | COPANO CO | Injection | 6,000 | -- | 5,800 |
| Cancelled | HEARD, FANNIE V. W., MRS. #6 | 42-391-00000 | QUINTANA PET. CORP | Disposal | 6,000 | -- | 3,335–3,365 |
| Plugged | O CONNOR, THOMAS JAMES -B- #5 | 42-391-01945 | YOUNGBLOOD, C. S. III | Disposal | 6,000 | -- | 3,600–3,990 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q827 | 42-391-00435 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,807–5,824 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #C233 | 42-391-01613 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,872–5,890 |
| Plugged | WILLIAMS, MAUDE ET AL "A" #D 78 | 42-391-30327 | QUINTANA PET. CORP | Disposal | 6,000 | -- | 3,760–3,790 |
| Cancelled | WILLIAMS, MAUDE ETAL -B- #31D | 42-391-00528 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,851–5,859 |
| Inactive | O'CONNOR, THOMAS -A- #34 | 42-391-01461 | HILCORP ENGY CO | Injection | 6,000 | -- | 4,435–4,493 |
| Cancelled | TOM O'CONNOR(5600 FOOT SAND)UNIT #W342B | 42-391-00701 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,550–5,595 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #C229 | 42-391-01609 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,852–5,870 |
| Plugged | OCONNOR, THOMAS -C- #56 | 42-391-02023 | QUINTANA PET. CORP | Disposal | 6,000 | -- | 3,830–3,863 |
| Plugged | LAMBERT, M. F. #37D | 42-391-01361 | HILCORP ENGY CO | Disposal | 6,000 | -- | 3,650–3,954 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q807 | 42-391-00421 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,800 |
| Inactive | TOM O'CONNOR(5600 FOOT SAND)UNIT #W329B | 42-391-00695 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,540–5,580 |
| Inactive | TOM O'CONNOR(5600 FOOT SAND)UNIT #3104WB | 42-391-31718 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,514–5,560 |
| Inactive | HEARD, FANNIE V. W., MRS. #40 | 42-391-00699 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,548–5,570 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q936 | 42-391-03784 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,891–5,900 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #C453X | 42-391-01677 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,848–5,758 |
| Plugged | OCONNOR, THOS. #3 | 42-391-00985 | PRIMROSE OPER CO | Injection | 6,000 | -- | 3,155–3,200 |
| Plugged | OCONNOR #17 | 42-391-00243 | T - C OIL CO | Disposal | 6,000 | -- | 3,867–3,877 |
| Plugged | HEARD, FANNIE V. W., MRS. #3SG | 42-391-00732 | HILCORP ENGY CO | Disposal | 6,000 | -- | 3,622–3,652 |
| Plugged | OCONNOR, THOMAS -C- #46 | 42-391-02024 | QUINTANA PET. CORP | Disposal | 6,000 | -- | 3,740–3,775 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q043 | 42-391-01518 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,749–5,760 |
| Cancelled | HEARD, MRS. FANNIE V. W. #47 | 42-391-00569 | QUINTANA PET. CORP | Injection | 6,000 | -- | 5,798–5,814 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #H086 | 42-391-01123 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,885–5,900 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #C101 | 42-391-01589 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,810–5,830 |
| Plugged | ROCHE, K. D. -A- #16 | 42-391-03145 | KOVAR OPER, LLC | Disposal | 6,000 | -- | 4,550–4,890 |
| Plugged | OCONNOR, THOMAS -D- #8 | 42-391-02040 | T - C OIL CO | Disposal | 6,000 | -- | 3,700–4,150 |
| Inactive | TOM O'CONNOR(5600 FOOT SAND)UNIT #W838B | 42-391-00446 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,585–5,620 |
| Plugged | O'BRIEN, J. M. #41 | 42-391-01050 | CAMBRIAN MANAGEMENT, LTD | Injection | 6,000 | -- | 4,361–4,390 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #C427 | 42-391-01651 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,840–5,851 |
| Plugged | ROCHE, K. D. -A- #45 | 42-391-03182 | H & D OPER CO | Disposal | 6,000 | -- | 4,530–4,910 |
| Cancelled | WILLIAMS, MAUDE, ETAL -A- #D 2 | 42-391-00206 | HILCORP ENGY CO | Disposal | 6,000 | -- | 3,660–3,800 |
| Inactive | WILLIAMS, MAUDE ET AL -A- #67 | 42-391-00457 | HILCORP ENGY CO | Injection | 6,000 | -- | 5,615–5,650 |
| Plugged | O'CONNER, THOMAS #1 | 42-391-00983 | ACOCK/ANAQUA OPER CO., LP | Injection | 6,000 | -- | 2,675–4,000 |
| Inactive | TOM O'CONNOR(5600 FOOT SAND)UNIT #W252 B | 42-391-01144 | HILCORP ENGY CO | Injection | 6,000 | -- | 4,415–4,487 |
| Plugged | ROCHE, K. D. -A- #32 | 42-391-03176 | H & D OPER CO | Disposal | 6,000 | -- | 4,550–4,890 |
| Plugged | ROCHE, K. D. -A- #35 | 42-391-03178 | H & D OPER CO | Disposal | 6,000 | -- | 4,600–4,920 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #H042 | 42-391-01410 | QUINTANA PET. CORP | Disposal | 5,500 | -- | 3,900–3,930 |
| Cancelled | TOM O'CONNOR(5600 FOOT SAND)UNIT #W360B | 42-391-00729 | HILCORP ENGY CO | Injection | 5,000 | -- | 4,300–5,700 |
| Cancelled | LAKE PASTURE /FT-569/ FIELD UNIT #1110 F | 42-391-03783 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,696–5,710 |
| Inactive | WLP #15 | 42-391-32301 | T-C OIL CO, LLC | Injection | 5,000 | -- | 4,520–4,568 |
| Cancelled | RAMIREZ #1 | 42-391-32859 | WILLCO SERVICES, INC. | Disposal | 5,000 | -- | 3,780–4,140 |
| Plugged | MELLON OIL UNIT #21 | 42-391-01616 | T-C OIL CO, LLC | Disposal | 5,000 | -- | 3,640–4,100 |
| Plugged | OCONNOR #37 | 42-391-00254 | T - C OIL CO | Injection | 5,000 | -- | 5,646–5,656 |
| Plugged | OCONNOR, THOS. -B- #31 | 42-391-01834 | HILCORP ENGY CO | Disposal | 5,000 | -- | 3,950–3,965 |
| Inactive | TOM O'CONNOR (5730 FT. SD.) UNIT #A 12A | 42-391-00472 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,795–5,826 |
| Cancelled | O'CONNOR, THOMAS 'A' #19 | 42-391-01512 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,740–5,749 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #Q011 | 42-391-01504 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,770–5,783 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #Q094W | 42-391-01554 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,257–3,322 |
| Plugged | O'BRIEN, J. M. 'A' #10 | 42-391-03798 | DEWBRE PETRO CORP | Disposal | 5,000 | -- | 2,925–2,980 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #N202 U | 42-391-01731 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,784–5,801 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #N208 | 42-391-01714 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,777–5,792 |
| Plugged | MELLON OIL UNIT #23 | 42-391-01617 | T-C OIL CO, LLC | Disposal | 5,000 | -- | 3,665–4,100 |
| Plugged | O CONNOR, THOS. -B- #15 | 42-391-01827 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,000–5,730 |
| Cancelled | TOM OCONNOR (5800 SD) FLD. UNIT #N203 | 42-391-81273 | QUINTANA PET. CORP | Injection | 5,000 | -- | 5,796–5,810 |
| Plugged | WILLIAMS, MAUDE ET AL -A- #D 95 | 42-391-31190 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,920–3,940 |
| Cancelled | TOM O'CONNOR(5600 FOOT SAND)UNIT #W209B | 42-391-01167 | HILCORP ENGY CO | Injection | 5,000 | -- | 4,050–4,200 |
| Cancelled | LAMBERT, M. F. #34D | 42-391-01455 | HEWIT & DOUGHERTY | Disposal | 5,000 | -- | 3,876–3,906 |
| Cancelled | LAMBERT GAS UNIT #71 | 42-391-01327 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,887–5,909 |
| Cancelled | O'CONNOR, THOMAS -A- #13 | 42-391-01506 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,794–5,804 |
| Cancelled | HEARD, FANNIE V.W. MRS. #88 | 42-391-30046 | HILCORP ENGY CO | Disposal | 5,000 | -- | 2,860–3,380 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #H066 | 42-391-01312 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,840–5,855 |
| Cancelled | LAMBERT, M.F. #H 64 | 42-391-01310 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,860–5,873 |
| Cancelled | OCONNOR, THOMAS -A- #79 | 42-391-01759 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,295–3,376 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #N217 | 42-391-01727 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,842–5,852 |
| Plugged | TOM OCONNOR (5800 SD) FLD. UNIT #C220 | 42-391-01600 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,841–5,850 |
| Plugged | O'CONNOR -H- #21 | 42-391-00036 | T-C OIL CO, LLC | Disposal | 5,000 | -- | 3,450–3,580 |
| Plugged | TOM O'CONNOR (5730 FT. SD.) UNIT #A 71 | 42-391-00499 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,800–5,840 |
| Plugged | WILLIAMS, MAUDE, ETAL -A- #D 7 | 42-391-00273 | QUINTANA PET. CORP | Injection | 5,000 | -- | 4,440–4,455 |
| Plugged | LA ROSA UNIT #40 | 42-391-03381 | REMORA MANAGEMENT, LLC | Injection | 5,000 | -- | 4,520–5,630 |
| Cancelled | HEARD, CLAUDE E. , ET AL #28 | 42-391-00642 | QUINTANA PET. CORP | Disposal | 5,000 | -- | 3,354–3,362 |
| Cancelled | TOM O'CONNOR (5730 FT. SD.) UNIT #B 17 | 42-391-00519 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,820–5,850 |
| Plugged | OCONNOR #22 | 42-391-00187 | T - C OIL CO | Injection | 5,000 | -- | 5,663–5,668 |
| Plugged | TOM O'CONNOR (5730 FT. SD.) UNIT #C 5 | 42-391-32163 | HILCORP ENGY CO | Injection | 5,000 | -- | 5,880–5,930 |
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.