Whipstock accelerator ramp

Details Whipstock accelerator ramp Whipstock accelerator ramp

1996-05-03

1998-10-06

Schoeppel, Roger J.

Wells

Means for guiding insertable element laterally of well axis

1661176, 175 61, 175 62, 175 81, 175 82, E21B 708

Patent

active

058163247

ABSTRACT:
A whipstock for guiding a cutting tool within a cased borehole. The whipstock having a guide surface for guiding engagement with the cutting tool. The guide surface having a first taper with the axis of the whipstock and a greater taper with the axis of the whipstock at the point that the center of the cutting tool reaches the inside diameter of the wall of the casing thereby more quickly moving the center point of the cutting tool across the wall of the casing.

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Track Master Sidetracking System; Feb. 24 1995; (1 sheet).
A-Z Grant International; Casing Sidetrack Systems; undated; (7 pgs.).
A-Z SERVCO Performance Bulletin; Smith International, Inc.; 1995 (1 pg.).

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