Stabilizing clayey formations
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 9, 1989
Grant Date -
N/A
app pub date -
Sep 11, 1987
filing date -
Sep 11, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for treating clayey geological formations to prevent, inhibit or reduce swelling or migrating clay particles in a formation by treating the formation with an effective amount of a quaternized oligomer which comprises a methyl quaternary amine containing an average of from about 3 to about 6 moles of epihalohydrin. The treatment is effected by introducing the oligomer into the formation in an aqueous fluid which can comprise brine, salt solutions, acid solutions, gelled fluids and the like.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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