Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of drilling and cementing a well using a drilling fluid convertible in place into a settable cement slurry

Method of drilling and cementing a well using a drilling fluid convertible in place into a settable cement slurry

US Patent 4519452 · Granted May 28, 1985

Estimated economic value: $27,876,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Liquid lift method for drilling risers2004
Method for separation of solids from drilling fluids by magnetic separation and 1999
Well collision avoidance1999
Acoustic separation of liquid hydrocarbons from wastewater1996
Method to combine statistical and engineering techniques for stuck pipe data ana1996
Process for dewatering an aqueous solution containing solids using water-absorbe1993
Method of cementing a casing in a borehole1987
Method for reducing friction in drilling operations1987
Method of using a spacer for well control fluid1984
Apparatus and method for measuring fluid gel strength1981