Spheroidal plastic coated magnetizable particles and their use i

Details Spheroidal plastic coated magnetizable particles and their use i Spheroidal plastic coated magnetizable particles and their use i

1980-01-14

1981-05-26

Leppink, James A.

Boring or penetrating the earth

Processes

Boring with specific fluid

175 65, 252 85A, E21B 300, E21B 700

Patent

active

042692792

ABSTRACT:
Plastic coated magnetic particles in bead form are used in drilling fluids to increase the lubricity thereof as indicated by a decrease in the drilling torque or the power required to rotate the drill string. Also provided is a method of recovering the beads from the drilling fluid for re-use using a magnetic separator.

REFERENCES:
patent: 3186812 (1965-06-01), Pfaender
patent: 4063603 (1977-12-01), Rayborn
patent: 4123367 (1978-10-01), Dodd

Affiliated with

Also associated with

Rating

Spheroidal plastic coated magnetizable particles and their use i does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spheroidal plastic coated magnetizable particles and their use i, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spheroidal plastic coated magnetizable particles and their use i will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-449792