Sub apparatus with exchangeable modules and associated method

Details Sub apparatus with exchangeable modules and associated method Sub apparatus with exchangeable modules and associated method

2005-01-04

2005-01-04

Bagnell, David (Department: 3672)

Boring or penetrating the earth

Processes

Sampling of earth formations

C175S045000, C175S050000, C166S264000, C166S254200, C073S152240

Reexamination Certificate

active

06837314

ABSTRACT:
The present invention is an apparatus and method for use in a well borehole drilled into a formation. The apparatus comprises a work string disposed in the borehole. The work string includes at least one modular body portion having at least one receptacle. A modular tool is disposed in the at least one receptacle for carrying out a drilling operation. The modular tool may be a tool for use in drilling a well borehole, it may be a tool for testing a formation surrounding a borehole, or the modular tool may be a combination. For example, one aspect of the present invention provides a modular steering rib. The modular steering rib may also include modular components for sampling and testing formation fluid.

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