In-hole motor with bit clutch and circulation sub

Details In-hole motor with bit clutch and circulation sub In-hole motor with bit clutch and circulation sub

1979-07-06

1986-12-30

Novosad, Stephen J.

Boring or penetrating the earth

Processes

Boring with specific fluid

166301, 166237, 175107, 175317, E21B 402

Patent

active

046321934

ABSTRACT:
An in-hole fluid motor has a clutch engageable between the motor housing and the motor shaft to connect the housing and shaft for mutual rotation upon rotation of a running-in pipe string, and a circulation valve is installed above the motor to be opened to allow circulation from the pipe string into the bore hole annulus. Circulation is maintained through the bore hole annulus during efforts to release a stuck drill bit.

REFERENCES:
patent: 2167019 (1939-07-01), Yost
patent: 3365007 (1968-01-01), Skipper
patent: 3989114 (1976-11-01), Tschirky et al.
patent: 4232751 (1980-11-01), Trzeciak
patent: 4298077 (1981-11-01), Emery

Affiliated with

Also associated with

Rating

In-hole motor with bit clutch and circulation sub does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with In-hole motor with bit clutch and circulation sub, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In-hole motor with bit clutch and circulation sub will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1541955