Method and apparatus for single-run formation of multiple...

Details Method and apparatus for single-run formation of multiple... Method and apparatus for single-run formation of multiple...

2006-02-07

2008-10-28

Thompson, Kenneth (Department: 3672)

Wells

Means anchored against rotation in one conduit section for...

C166S255200, C166S296000, C166S308100, C166S055000, C166S177500

Reexamination Certificate

active

07441595

ABSTRACT:
A method and apparatus for forming multiple lateral passages from a wellbore into a subsurface earth formation to facilitate enhancement of the production of oil, gas, heavy oil or minerals from the formation. A plurality of lateral passages are formed from a wellbore into a subsurface formation through the use of a single-run passage forming tool to minimize rig time and associated costs. A downhole indexing tool is positioned downhole and has indexing sections for positioning and indexing of a downhole well service tool and establishes precise radial orientation and location of the tool for its well servicing operation. Sequential unidirectional rotational indexing is accomplished by an indexing control stinger having a J-slot indexing system defining a circumferential slot section defining a desired number of indexing positions that are sequenced responsive to linear reciprocating movement of the indexing control stinger.

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