Saltwater Disposal Wells in Galveston County

Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.

Active Wells

31

Permitted Capacity

155,050 bbl/d

Injected 12mo (thru 2025-06)

1.8M bbl

UIC Permits All Time

185

STATUSLEASE / WELLAPIOPERATORTYPEPERMITTED BBL/DINJECTED 12MOZONE (FT)
PluggedSOUTH GILLOCK UNIT #3D42-167-01856TRANSATLANTIC PETR (USA) CORPDisposal2,000--4,000–6,600
PluggedSEGELQUIST #1 D42-167-30172TEMA OIL AND GAS CODisposal2,000--3,650–4,650
PluggedGREEN,S.H. #1D42-167-30005HUNT, HASSIE, TRUSTDisposal2,000--1,800–1,850
PluggedFEDERAL GAYATT #342-167-31281HILCORP ENGY CODisposal2,000--3,600–4,250
PluggedBEGGS, NORMAN #142-167-02072AL-TX OPERATING INC.Disposal2,000--2,285–3,885
CancelledSOUTH GILLOCK UNIT #9D42-167-00000TEXACO INCDisposal2,000--4,000–6,900
PluggedTHE SUPERIOR OIL CO. FEE #742-167-00978ALTA MESA SERVICES, LPDisposal1,750--2,090–2,560
CancelledSOUTH GILLOCK UNIT #642-167-01151TEXACO INCUIC1,666--8,884–8,907
PluggedORCHARD OIL UNIT #7 #142-167-01985CHAIN OIL & GAS, INCDisposal1,600--4,800–6,525
PluggedGALVESTON TOWNSITE UNIT 4 #3D42-167-30108MITCHELL ENGY CORPDisposal1,500--6,500–7,200
PluggedBUTLER, M.B. #142-167-01832CHALLENGER OILDisposal1,500--2,360–3,000
PluggedVIEHMAN, GLADYS #142-167-80872DOGGY OIL CORPDisposal1,500--2,320–2,850
PluggedSTATE - KOHFELDT UNIT #842-167-00983TEXACO INCDisposal1,500--3,700–6,800
PluggedCADE, E. K. #12042-167-30955HOUSTON OIL PROD ENTERPRISES,INCDisposal1,500--6,400–7,330
PluggedGALVESTON TOWNSITE UNIT 4 #342-167-30187WAGNER OIL CODisposal1,500--6,500–7,200
PluggedSLATAPER OIL UNIT #142-167-30119TEMA OIL AND GAS CODisposal1,500--3,680–4,982
PluggedPABST -B- #242-167-01458PHILLIPS PETRO CODisposal1,300--2,000–4,300
PluggedWITTJEN, GADDIS #1 L42-167-31017RUTHERFORD OIL CORPDisposal1,200--3,740–4,400
PluggedCADE, E. K. #1742-167-00238HOUSTON OIL PROD ENTERPRISES,INCInjection1,200--7,236–7,434
PluggedSTEWART, MACO /A/ #15D42-167-01651SMITH ENGY 1986A PARTNERSHIPDisposal1,000--3,500–6,480
PluggedSTEWART, MACO /A/ 390 #1142-167-01505DENBURY ONSHORE, LLCDisposal1,000--3,500–6,450
PluggedRICE ESTATE #5 D42-167-30932CXY ENGY INCDisposal1,000--1,750–2,810
PluggedSTATE TRACT 342 #142-167-30116TENNECO OIL CO-TGCDDisposal1,000--3,440–3,475
PluggedMITCHELL DEVELOPMENT FEE #242-167-30619MITCHELL ENGY CORPDisposal1,000--3,500–6,000
PluggedMITCHELL DEVELOPMENT FEE #1D42-167-00000MITCHELL ENGY CORPDisposal1,000--3,300–6,000
PluggedFRANKS /8900 SAND/ UNIT #240142-167-01426HUNT, HASSIE EXPL COUIC600--8,942–8,970
CancelledSTATE TRACT 146-S #1D42-167-02103MITCHELL ENGY CORPDisposal500--4,004–4,103
CancelledOTT, C.E. ET AL #1D42-167-80873NOXXE OIL AND GAS, LLCDisposal500--2,450–4,000
CancelledSTEWART, MACO #6W42-167-01547KCS MEDALLION RES, INCDisposal500--2,110–2,140
PluggedGHINAUDO #1D42-167-20185HUNT, HASSIE, TRUSTDisposal500--1,680–1,730
PluggedSTEWART, MACO /A/ #842-167-01645SMITH ENGY 1986A PARTNERSHIPUIC500--8,450–8,464
PluggedREITMEYER-BRISCOE SWD #142-167-30274CHOICE EXPL, INCDisposal500--2,000–2,841
PluggedUNGER #142-167-30207HITCHCOCK SWD CORPDisposal500--2,000–2,700
CancelledBRUCE #442-167-30068TXO PROD CORPDisposal500--1,500–3,410
PluggedLOBIT, LOUIS G. #142-167-30085DOGGY OIL CORPDisposal500--1,800–2,850
PluggedSTEWART, MACO /A/ 390 #1642-167-01652SAWTOOTH OPER CO., INCInjection500--8,330–8,410
PluggedSTEWART, MACO #142-167-01546UNION OIL CO OF CALIFORNIADisposal500--2,000–6,200
PluggedSTATE TRACT 146-S (NE) #142-167-02103MITCHELL ENGY CORPDisposal500--4,095–4,103
PluggedGALVESTON ISLAND UNIT 1 #2D42-167-30216YOUNGBLOOD, C. S. IIIDisposal500--1,950–3,300
PluggedDEATS, ELLA M., ET AL #242-167-01168STRATCO OPER CO., INCDisposal400--4,740–5,300
PluggedTHE SUPERIOR OIL CO. FEE #242-167-00974ALTA MESA SERVICES, LPInjection300--9,192–9,262
PluggedHANSON, S. T., ETAL UNIT NO. 1 #142-167-01456WAYHAN OIL COMPANYDisposal300--5,280–5,550
PluggedSMITH, GEORGE E. -B- R/A -A- #4342-167-01919PAN AMERICAN PETROLEUM CORP.UIC250--4,962–5,129
CancelledJ. W. HARRIS #1A42-167-30157WHITTINGTON OPER CODisposal200--1,950–2,000
PluggedCROCKER, J. J., EST. #1D42-167-30004HUNT, HASSIE EXPL CODisposal150--1,702–1,712
PluggedJ. E. CHAPMAN ET AL #142-167-30895CHAPARRAL ENGY, L.L.CDisposal150--4,000–4,170
PluggedHARRIS, J. W. -B- #1 B42-167-01309CLARK RESOURCES, INC.Disposal100--2,045–2,067
PluggedTHE SUPERIOR OIL CO. FEE #142-167-00973ALTA MESA SERVICES, LPInjection100--9,035–9,053
PluggedCRAIG, E.W. #142-167-01338TEXAS EASTERN TRANSMISSION CORPUIC40--9,204–9,216
CancelledCADE, E. KER -B- R/A -A- #4442-167-00000PAN AMERICAN PETROLEUM CORP.UIC0--5,068–5,071
PluggedSTATE TRACT 343 #1 L42-167-30038TENNECO OIL CO-TGCDUIC0--8,668–8,670
CancelledBAYOU DEV CO "B" #542-167-00000HUMBLE OIL & REFINING CO.UIC0--9,473–9,542
CancelledBAYOU DEV CO "B" #242-167-00000HUMBLE OIL & REFINING CO.UIC0--9,603
PluggedLEAGUE CITY SWD #1D42-167-80877MOORE-MCCORMACK ENGY, INCUIC0--1,800
CancelledBAYOU DEV CO B #15 H42-167-02095YOUNGBLOOD, C. S. IIIUIC0--9,244–9,266
CancelledBAYOU DEV CO "B" F18 #242-167-00000HUMBLE OIL & REFINING CO.UIC0--9,754
PluggedFRANKS /8900 SAND/ UNIT #250142-167-01431FREEPORT-MCMORAN OIL & GAS COUIC0----
CancelledBAYOU DEV. CO. -B- #1542-167-02095YOUNGBLOOD, C. S. IIIUIC0--9,305–9,347
CancelledMACO STEWART "A" A/C 1 #32S42-167-01564YOUNGBLOOD, C. S. IIIUIC0--9,029–9,100
PluggedLEMM, LOWELL ET AL UNIT #142-167-30774SECONDARY GAS RECOVERY INCDisposal0--2,030–2,240
CancelledBAYOU DEV CO B #15 F42-167-02095YOUNGBLOOD, C. S. IIIUIC0--9,474–9,509
PluggedCADE, E. K. #7742-167-00298HOUSTON OIL PROD. ENTERPRISEInjection0--7,728
PluggedCADE, E. K. #11242-167-02038HOUSTON OIL PROD. ENTERPRISEInjection0--7,833
PluggedCADE, E. K. #6442-167-00285HOUSTON OIL PROD ENTERPRISES,INCInjection0--7,194
PluggedCADE, E. K. #4542-167-00266HOUSTON OIL PROD ENTERPRISES,INCInjection0--7,786
PluggedSOUTH GILLOCK UNIT #5442-167-01206MW PETRO CORPInjection0--9,335
PluggedSOUTH GILLOCK UNIT #50142-167-80793TEXACO INCUIC0----
CancelledGILLOCK, SOUTH UNIT #8342-167-80058TEXACO INCUIC0----
PluggedGILLOCK, SO. UNIT #8442-167-80057TEXACO INCInjection0----
PluggedGALVESTON TOWNSITE UNIT 4 #242-167-30108MITCHELL ENGY CORPUIC0--4,342
CancelledGILLOCK, SOUTH UNIT #342-167-01152TEXACO INCUIC0----
CancelledGILLOCK, SOUTH UNIT #142-167-01158MW PETRO CORPUIC0----
CancelledGILLOCK, SOUTH UNIT #242-167-01165TEXACO INCUIC0----
PluggedECRET, J. C. #742-167-01584GENERAL AMERICAN OIL CO.UIC0----
PluggedHADEN, R. D. #4D42-167-00004YOUNGBLOOD, C. S. IIIDisposal0--2,550–4,400
PluggedEDWARDS, THOS. C. #1542-167-02054TEXACO INCUIC0--2,000
PluggedSOUTH GILLOCK UNIT #8642-167-01149TEXACO INCUIC0----
PluggedSOUTH GILLOCK UNIT #8142-167-01144TEXACO INCUIC0----
CancelledBAYOU DEV. CO. -B- #15-D42-167-02095HUMBLE OIL & REFINING CO.UIC0--9,305–9,347
CancelledBAYOU DEV. CO. -B- #15-F42-167-02095HUMBLE OIL & REFINING CO.UIC0--9,474–9,509
CancelledBAYOU DEV. CO "B" #15H42-167-00000HUMBLE OIL & REFINING CO.UIC0--9,244–9,266
PluggedSOUTH GILLOCK UNIT #6742-167-01199TEXACO INCUIC0----
PluggedTHE SUPERIOR OIL CO. FEE #10S42-167-30031SUPERIOR OIL CO, THEInjection0----
PluggedECRET, J. C. #742-167-01584SEQUOIA OIL CODisposal0--4,700–6,400
PluggedMCDONALD, PETER #1042-167-01956PAN AMERICAN PETROLEUM CORP.UIC0--6,025–6,100
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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.