Wells – Processes – Cementing – plugging or consolidating
Patent
1991-11-08
1993-02-23
Novosad, Stephen J.
Wells
Processes
Cementing, plugging or consolidating
166250, 166292, 166 50, E21B 3314
Patent
active
051881764
ABSTRACT:
What is disclosed is a method of cementing in which a plurality of cement slurries are employed in a well penetrating subterranean formations and having a deviated section of more than 55 degrees angle of inclination, the improvement comprising emplacing at a desired depth in the well a plurality of cement slurries, at least one of which is less dense than the drilling fluid employed to drill the well; and allowing the cement to set up in the well and to bond in situ and provide the zonal isolation and good bonding of equipment in the wellbore.
A specific example given in which one of the cements had a density of less than 12 pounds per gallon and one of the cement slurries has a density of greater than 12 pounds per gallon.
REFERENCES:
patent: 2206389 (1940-07-01), Cannon
patent: 2848051 (1958-08-01), Williams
patent: 3376146 (1968-04-01), Mitchell
patent: 3526280 (1970-09-01), Aulick
patent: 3669701 (1972-06-01), Biederman, Jr.
patent: 3804058 (1974-04-01), Messenger
patent: 3887385 (1975-06-01), Quist et al.
patent: 4530402 (1985-07-01), Smith et al.
Atlantic Richfield Company
Fails James C.
Novosad Stephen J.
LandOfFree
Cement slurries for diviated wells does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cement slurries for diviated wells, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cement slurries for diviated wells will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2198681