Saltwater Disposal Wells in Howard County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
1,180
Permitted Capacity
6.0M bbl/d
Injected 12mo (thru 2025-06)
488.6M bbl
UIC Permits All Time
3,068
Howard County produced-water market → capacity trends, top holders, permit velocity
Earthquakes in Howard County → seismicity & the disposal link, from TexNet
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Inactive | KLOH ETAL #11 | 42-227-00437 | APC OPER PARTNERSHIP | Injection | 625 | -- | 2,000–2,490 |
| Cancelled | KLOH ETAL #15WU | 42-227-00423 | WESTPORT OIL AND GAS CO, LP | Injection | 625 | -- | 2,000–2,300 |
| Cancelled | CHALK, OTIS #32WL | 42-227-35734 | WESTPORT OIL AND GAS CO, LP | Injection | 625 | -- | 2,700–3,400 |
| Inactive | KLOH ETAL #15 | 42-227-00423 | APC OPER PARTNERSHIP | Injection | 625 | -- | 2,000–2,510 |
| Inactive | KLOH ETAL #42 | 42-227-35684 | APC OPER PARTNERSHIP | Injection | 625 | -- | 2,000–2,350 |
| Cancelled | KLOH ETAL #50WL | 42-227-00000 | WESTPORT OIL AND GAS CO INC | Injection | 625 | -- | 2,351–2,700 |
| Cancelled | KLOH ETAL #50WU | 42-227-00000 | WESTPORT OIL AND GAS CO INC | Injection | 625 | -- | 2,000–2,350 |
| Inactive | KLOH ETAL #48 | 42-227-35687 | APC OPER PARTNERSHIP | Injection | 625 | -- | 2,000–2,350 |
| Inactive | KLOH ETAL #46W | 42-227-35689 | APC OPER PARTNERSHIP | Injection | 625 | -- | 2,000–2,350 |
| Cancelled | KLOH ETAL #31WU | 42-227-31075 | WESTPORT OIL AND GAS CO, LP | Injection | 625 | -- | 2,189–2,254 |
| Plugged | DOUTHIT, E. W., -C- DE #8 | 42-227-30423 | LAKEWOOD OPER, LTD | Injection | 600 | -- | 2,800–3,100 |
| Plugged | M. H. O'DANIEL # 12 #5W | 42-227-10212 | DORLAND, D. L | Injection | 600 | -- | 2,653–2,750 |
| Plugged | CHALK, G. O. -E- #28 | 42-227-34438 | CONOCO INC | Injection | 600 | -- | 2,010–3,300 |
| Plugged | SETTLES, W. R. #1CW | 42-227-00402 | CITATION OIL & GAS CORP | Injection | 600 | -- | 1,465–2,478 |
| Plugged | SETTLES, W. R. -A- #135 | 42-227-33083 | CONOCO INC | Injection | 600 | -- | 2,040–2,610 |
| Plugged | SETTLES, W. R.-C- #18W | 42-227-33375 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,200–2,600 |
| Cancelled | CLAY,H. R., -B- #8 | 42-227-02246 | DONOVAN INVESTMENT CO | UIC | 600 | -- | 1,775–1,910 |
| Plugged | DOUTHIT, E. W. -DE- #10W | 42-227-30425 | ROVER PETRO OPER, LLC | Injection | 600 | -- | 2,800–3,100 |
| Cancelled | SETTLES, W. R. -A- #136 | 42-227-33126 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,030–2,590 |
| Plugged | CHALK -A- #5W | 42-227-02283 | CIMAREX ENGY CO. OF COLORADO | UIC | 600 | -- | 1,607–1,787 |
| Plugged | SETTLES, W. R. -A- #151 | 42-227-34429 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,050–2,550 |
| Plugged | SETTLES, W. R. -A- #149 | 42-227-34389 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,050–2,550 |
| Plugged | SETTLES, W. R. -A- #44W | 42-227-00675 | CONOCO INC | Injection | 600 | -- | 2,104–2,520 |
| Plugged | SETTLES, W. R. -A- #43W | 42-227-00673 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,090–2,500 |
| Cancelled | SETTLES-YATES UNIT #22R | 42-227-34427 | CONOCO INC | Injection | 600 | -- | 2,050–2,550 |
| Plugged | SETTLES, W. R. -A- #40W | 42-227-00666 | CONOCO INC | Injection | 600 | -- | 2,104–2,520 |
| Cancelled | SETTLES, W. R. -A- #117 | 42-227-31694 | CONOCO INC | Injection | 600 | -- | 2,250–2,700 |
| Plugged | SETTLES, W. R. -A- #39W | 42-227-00664 | CONOCO INC | Injection | 600 | -- | 2,002–2,526 |
| Plugged | OVERTON, B. #26 | 42-227-30409 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,100–2,475 |
| Plugged | OVERTON, B. #22 | 42-227-00397 | CONOCO INC | Injection | 600 | -- | 2,050–2,338 |
| Plugged | HYMAN, SARAH #52W | 42-227-34283 | CONOCO INC | Injection | 600 | -- | 2,050–2,300 |
| Plugged | DODGE, G. M. #7W | 42-227-03162 | TEXACO E & P INC | Injection | 600 | -- | 2,400–2,800 |
| Cancelled | CHALK, G. O. #20U | 42-227-30294 | CONOCO INC | Injection | 600 | -- | 2,025–2,600 |
| Plugged | ROBERTS, DORA #7W | 42-227-02069 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,345–2,710 |
| Plugged | ROBERTS, DORA #12W | 42-227-02073 | SUPERIOR OIL CO, THE | Injection | 600 | -- | 2,308–2,562 |
| Plugged | ROBERTS, DORA #26W | 42-227-02039 | CONOCOPHILLIPS CO | Injection | 600 | -- | 1,570–1,908 |
| Cancelled | CHALK, G. O. -C- #21U | 42-227-30333 | CONOCOPHILLIPS CO | Injection | 600 | -- | 1,950–2,600 |
| Plugged | CHALK, OTIS #8W | 42-227-30340 | CHEVRON MIDCONTINENT, L.P | Injection | 600 | -- | 2,000–2,400 |
| Cancelled | CHALK, G. O. -C- #24U | 42-227-32183 | CONOCOPHILLIPS CO | Injection | 600 | -- | 1,950–2,600 |
| Cancelled | CHALK, G. O. -C- #25U | 42-227-32185 | CONOCOPHILLIPS CO | Injection | 600 | -- | 1,950–2,600 |
| Plugged | SETTLES, W. R. #18 | 42-227-00599 | CONOCO INC | Injection | 600 | -- | 2,085–2,362 |
| Plugged | SETTLES, W. R. #26 | 42-227-00626 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,081–2,440 |
| Cancelled | CHALK, OTIS #7W | 42-227-30295 | TRADITION RES LLC | Injection | 600 | -- | 2,000–2,400 |
| Plugged | CHALK, OTIS #5W | 42-227-30309 | UNION OIL CO OF CALIFORNIA | Injection | 600 | -- | 2,000–2,400 |
| Plugged | CHALK, OTIS #4WG | 42-227-30308 | TRADITION RES OPER, LLC | Injection | 600 | -- | 1,600–2,461 |
| Inactive | CHALK, G. O. -D- #5 | 42-227-00512 | CONOCOPHILLIPS CO | Injection | 600 | -- | 1,900–2,650 |
| Plugged | CHALK, OTIS #1W | 42-227-30296 | CHEVRON MIDCONTINENT, L.P | Injection | 600 | -- | 2,000–2,400 |
| Plugged | SETTLES, W. R. -A- #34W | 42-227-00652 | CONOCO INC | Injection | 600 | -- | 2,092–2,516 |
| Plugged | SETTLES, W. R. #33W | 42-227-00651 | CONOCO INC | Injection | 600 | -- | 2,072–2,478 |
| Plugged | SETTLES, W. R. #40W | 42-227-00665 | CONOCO INC | Injection | 600 | -- | 2,083–2,491 |
| Cancelled | ODANIEL -B- #16 | 42-227-10219 | DORLAND, D. L | Injection | 600 | -- | 2,552–2,639 |
| Plugged | CHALK, G. O. -D- #25 | 42-227-34435 | CONOCO INC | Injection | 600 | -- | 2,010–3,300 |
| Plugged | ROBERTS, DORA #28W | 42-227-10972 | CONOCO INC | Injection | 600 | -- | 1,540–1,865 |
| Plugged | ROBERTS, DORA #32W | 42-227-31202 | CONOCO INC | Injection | 600 | -- | 1,544–1,817 |
| Plugged | ROBERTS, DORA #40W | 42-227-34489 | CONOCO INC | Injection | 600 | -- | 1,538–1,815 |
| Plugged | ROBERTS, DORA #41W | 42-227-34490 | CONOCO INC | Injection | 600 | -- | 1,555–1,833 |
| Plugged | T. X. L. #4 | 42-227-03767 | TURNER-KOGER | UIC | 600 | -- | 2,678–2,738 |
| Plugged | ROBERTS, DORA #42W | 42-227-34485 | CONOCO INC | Injection | 600 | -- | 1,541–1,811 |
| Plugged | CHALK, G. O.-G- #22W | 42-227-10723 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,027–2,201 |
| Plugged | STEWART, G. C. #21W | 42-227-32221 | APC OPER PARTNERSHIP | Injection | 600 | -- | 2,100–2,578 |
| Plugged | DOUTHIT, E. W., -DE- #12W | 42-227-30427 | VISTA RES, INC. (A) | Injection | 600 | -- | 2,800–3,100 |
| Plugged | SETTLES, W. R. #9W | 42-227-00555 | CONOCO INC | Injection | 600 | -- | 2,114–2,306 |
| Plugged | ROBERTS, DORA #43W | 42-227-34483 | CONOCO INC | Injection | 600 | -- | 1,573–1,851 |
| Plugged | ROBERTS, DORA #50W | 42-227-34496 | CONOCO INC | Injection | 600 | -- | 1,557–1,835 |
| Plugged | ROBERTS, DORA #51W | 42-227-34495 | CONOCO INC | Injection | 600 | -- | 1,564–1,843 |
| Plugged | CLAY, H. R.-E- #39W | 42-227-10828 | QUANTUM RES MANAGEMENT,LLC | UIC | 600 | -- | 1,670–1,840 |
| Plugged | CLAY, H. R. -E- #38W | 42-227-10550 | CONOCO INC | UIC | 600 | -- | 1,670–1,840 |
| Plugged | CLAY, H. R. -E- #37W | 42-227-10537 | CONOCO INC | UIC | 600 | -- | 1,670–1,840 |
| Plugged | CLAY, H. R. -E- #31W | 42-227-00484 | WESTPORT OIL AND GAS CO INC | UIC | 600 | -- | 1,648–1,818 |
| Plugged | CLAY, H. R.-A- #37W | 42-227-20065 | BREITBURN OPER L.P | UIC | 600 | -- | 1,715–1,914 |
| Cancelled | QUINN SWD #1 | 42-227-33377 | HARTOIL CORPORATION | Disposal | 600 | -- | 1,706–1,827 |
| Plugged | CLAY, H. R. -A- #35W | 42-227-10549 | CONOCO INC | UIC | 600 | -- | 1,670–1,840 |
| Plugged | CLAY, H. R. -A- #34W | 42-227-10548 | CONOCO INC | UIC | 600 | -- | 1,670–1,840 |
| Plugged | CLAY, H. R. -A- #28W | 42-227-10088 | WESTPORT OIL AND GAS CO INC | UIC | 600 | -- | 1,685–1,860 |
| Plugged | CLAY, H. R. #18 | 42-227-10532 | CONOCO INC | UIC | 600 | -- | 1,702–1,865 |
| Plugged | CLAY, H. R. #16 | 42-227-10540 | WESTPORT OIL AND GAS CO INC | UIC | 600 | -- | 1,670–1,840 |
| Plugged | CLAY, H. R. #9W | 42-227-00487 | CONOCO INC | UIC | 600 | -- | 2,267–2,506 |
| Plugged | GUITAR TRUST ESTATE -D- #4 | 42-227-02777 | MIDLAND OIL AND GAS, INC | Injection | 600 | -- | 3,198–3,210 |
| Plugged | CHALK, G. O. -D- #7 | 42-227-10068 | CONOCO INC | Injection | 600 | -- | 1,900–2,650 |
| Plugged | CHALK, G. O. -D- #13 | 42-227-10930 | CONOCO INC | Injection | 600 | -- | 1,900–2,735 |
| Plugged | CHALK, G. O. -E- #1 | 42-227-02420 | CONOCO INC | Injection | 600 | -- | 1,900–2,700 |
| Plugged | CHALK, G. O. -C- #10 | 42-227-10061 | CONOCO INC | Injection | 600 | -- | 1,900–2,650 |
| Plugged | CHALK #14W | 42-227-31031 | SAMEDAN OIL CORP | Injection | 600 | -- | 2,121–2,929 |
| Plugged | CHALK #1UW | 42-227-02940 | SAMEDAN OIL CORP | Injection | 600 | -- | 2,173–3,005 |
| Inactive | GUITAR TRUST ESTATE -D- #5 | 42-227-30642 | AMERICO ENGY RES, LLC | Injection | 600 | -- | 3,214–3,232 |
| Plugged | GUITAR TRUST ESTATE -D- #9 | 42-227-30827 | MIDLAND OIL AND GAS, INC | Injection | 600 | -- | 3,186–3,210 |
| Plugged | HYMAN, SARAH #33W | 42-227-30733 | CONOCOPHILLIPS CO | Injection | 600 | -- | 2,052–2,337 |
| Inactive | GUITAR TRUST ESTATE -D- #11 | 42-227-30950 | AMERICO ENGY RES, LLC | Injection | 600 | -- | 3,176–3,196 |
| Inactive | GUITAR TRUST ESTATE -D- #14 | 42-227-30963 | AMERICO ENGY RES, LLC | Injection | 600 | -- | 3,200–3,220 |
| Plugged | DOUTHIT #7W | 42-227-02804 | CONOCO INC | Injection | 600 | -- | 2,797–3,095 |
| Plugged | SETTLES, W. R. #11W | 42-227-00564 | CONOCO INC | Injection | 600 | -- | 2,087–2,350 |
| Cancelled | BELLNOLIA #13 | 42-227-35878 | LINN OPER, INC | Injection | 600 | -- | 2,375–2,850 |
| Plugged | HYMAN, SARAH #36W | 42-227-30819 | CONOCO INC | Injection | 600 | -- | 2,084–2,325 |
| Plugged | HYMAN, SARAH #31W | 42-227-30778 | CONOCO INC | Injection | 600 | -- | 2,029–2,324 |
| Plugged | HYMAN, SARAH #30W | 42-227-30773 | CONOCO INC | Injection | 600 | -- | 2,060–2,392 |
| Plugged | HYMAN, SARAH #29W | 42-227-30774 | CONOCO INC | Injection | 600 | -- | 2,031–2,382 |
| Plugged | HYMAN, SARAH #19W | 42-227-10245 | CONOCO INC | Injection | 600 | -- | 2,056–2,217 |
| Plugged | HYMAN, SARAH #9W | 42-227-03438 | CONOCO INC | Injection | 600 | -- | 2,075–2,220 |
| Plugged | KELLY-ROBERTS #17W | 42-227-30913 | CONOCO INC | Injection | 600 | -- | 2,050–2,332 |
| Plugged | BELLAM #12 | 42-227-31532 | LINN OPER, LLC | Injection | 600 | -- | 1,655–2,675 |
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.