Drilling torsional friction reducer

Details Drilling torsional friction reducer Drilling torsional friction reducer

1993-04-14

1994-08-23

Neuder, William P.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

1753253, 175408, E21B 1046

Patent

active

053399102

ABSTRACT:
Rotary drag during drilling is reduced by 1) adding roller bearings to a tubular string and drill bit, and/or 2) adding a bearing assembly to the tubular string, and/or 3) adding a rotary discoupling tool to the tubular string. At the drill bit, this is achieved by miniature rollers built into the gauge section. Along the drill string periodic roller bearings or bearing standoff assemblies are placed along the string length and/or a rotary discoupling tool capable of sealing fluid and transmitting compression and tensile loads is placed in the string. The combination minimizes bit whirl and rotational drag, especially during the drilling of extended reach wellbores.

REFERENCES:
patent: 4220213 (1980-09-01), Hamilton
patent: 4226291 (1980-10-01), Spelts
patent: 5109935 (1992-05-01), Hawke
patent: 5190379 (1993-03-01), White

Affiliated with

Also associated with

Rating

Drilling torsional friction reducer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drilling torsional friction reducer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling torsional friction reducer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-496622