Well cementing process using presheared water swellable clays
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 13, 1980
Grant Date -
N/A
app pub date -
Nov 15, 1978
filing date -
Nov 15, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of preparing and using a cement slurry having water swellable clays therein as extenders for the cement is described, which method enhances the effectiveness of the water swellable clays by preshearing aqueous suspensions thereof prior to mixing these suspensions with cement to form a pumpable cement slurry. Also described is a particular technique for using bentonite as a cement extender in a cement slurry formed with salt water.
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