Hook mill systems

Details Hook mill systems Hook mill systems

1998-01-23

2000-03-07

Suchfield, George

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

1661175, 175 82, E21B 708, E21B 2906

Patent

active

060327405

ABSTRACT:
A wellbore mill system having a first mill with a main body with a top end and a bottom end, milling structure on the main body, and a hook portion projecting from the bottom end of the main body for supporting at least one member below the first mill, the hook portion having a lip. One such system has a whipstock having a top lug, the top lug resting on the lip of the hook portion of the first mill, the top lug having a hole therethrough, the hook portion of the main body of the first mill having a hole therethrough, a shear stud with a portion extending through the hole in the top lug and a portion extending through the hole in the hook portion thereby releasably securing the first mill to the whipstock.

REFERENCES:
patent: 2807440 (1957-09-01), Beck
patent: 2882015 (1959-04-01), Beck
patent: 3908759 (1975-09-01), Cagle et al.
patent: 4717290 (1988-01-01), Reynolds et al.
patent: 4796709 (1989-01-01), Lynde et al.
patent: 4938291 (1990-07-01), Lynde et al.
patent: 4984488 (1991-01-01), Lunde et al.
patent: 5014778 (1991-05-01), Lynde et al.
patent: 5038859 (1991-08-01), Lynde et al.
patent: 5058666 (1991-10-01), Lynde et al.
patent: 5109924 (1992-05-01), Jurgens et al.
patent: 5199513 (1993-04-01), Stewart et al.
patent: 5297630 (1994-03-01), Lynde et al.
patent: 5318115 (1994-06-01), Rouse
patent: 5341873 (1994-08-01), Carter et al.
patent: 5425417 (1995-06-01), Carter
patent: 5425419 (1995-06-01), Sieber
patent: 5429187 (1995-07-01), Beagrie et al.
patent: 5431220 (1995-07-01), Lennon et al.
patent: 5443129 (1995-08-01), Bailey et al.
patent: 5531271 (1996-07-01), Carter
patent: 5535822 (1996-07-01), Schock et al.
patent: 5678634 (1997-10-01), Rehbock et al.
patent: 5720349 (1998-02-01), Pleasants et al.
patent: 5771972 (1998-06-01), Dewey et al.
patent: 5806596 (1998-09-01), Hardy et al.
patent: 5816324 (1998-10-01), Swearingen
patent: 5832997 (1998-11-01), White et al.
Casing Whipstocks, Eastman Composite Catalog 1976-77, p. 2226.
Improved Casing Sidetrack Procedure Now Cuts Wider, Longer Windows, Petroleum Engr. Int'l, Mar. 1979.
Int'l Search Report in PCT/GB99/00078.

Affiliated with

Also associated with

Rating

Hook mill systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-354289