Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2008-05-27
2008-05-27
Gay, Jennifer H (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
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).
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patent: 6564883 (2003-05-01), Fredericks et al.
patent: 2419903 (2006-05-01), None
Radzinski Paul
Towns Kirk
Gay Jennifer H
Hutchins Cathleen R
Precision Energy Services, Inc.
Wong Cabello Lutsch Rutherford & Brucculeri LLP
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