Method of sealing contaminated wells
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 24, 1991
Grant Date -
N/A
app pub date -
Sep 17, 1990
filing date -
Sep 17, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for sealing a well to prevent ground water contamination in which the existing perforate casing is at least temporarily intermally capped. Thereafter, a new imporforate casing is palaced about a portion of the length of the existing casing extending to a predetermined depth. Sealant is injected between the casings to seal-off at least a portion of the existing casing. If the well is to be activated, a collar, pump and access piping are installed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully