Apparatus and methods for logging a well borehole with...

Wells – Processes – With indicating – testing – measuring or locating

Reexamination Certificate

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Details

C166S066000

Reexamination Certificate

active

07377317

ABSTRACT:
Disclosed herein is a borehole conveyance system that is conveyed within the borehole by a tubular such as a drill string. The conveyance system integrates wireline type downhole instrumentation into drilling and drill string tripping operations that are typically performed in a borehole drilling operation. This increases the types of measurements that can be obtained during the drilling operation. Equipment costs and maintenance costs can thereby be reduced. Certain wireline type tools can be used during drilling operations to yield measurements superior to their LWD/MWD counterparts and to reduce operation costs. Other types of wireline tools can be used to obtain measurements not possible with LWD/MWD systems. The rotation of the tool conveyance system and instrumentation therein is optionally controllable with respect to the rotation of the drill string by a selective locking subassembly (SLS).

REFERENCES:
patent: 3982431 (1976-09-01), Grosso et al.
patent: 4799546 (1989-01-01), Hensley et al.
patent: 6247542 (2001-06-01), Kruspe et al.
patent: 6516898 (2003-02-01), Krueger
patent: 6564883 (2003-05-01), Fredericks et al.
patent: 2419903 (2006-05-01), None

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