Intelligent system for use in subterranean drilling...

Details Intelligent system for use in subterranean drilling... Intelligent system for use in subterranean drilling...

E - Fixed Constructions

21

B

E21B 44/00 (2006.01) E21B 7/00 (2006.01) E21B 41/00 (2006.01) E21B 47/00 (2012.01)

Patent

CA 2549537

A method and apparatus for the onsite assessment of sensory data during the drilling of a subterranean well to determine when a drilling tool has reached an optimal drilling terminus. One or more sensory data streams are captured and monitored by a terminus decision module, which identifies the appropriate combinations of sensory readings which might indicate that the drilling tool has reached an optimal drilling terminus. The terminus decision module might be either a coded formula-based software component, or might use a fuzzy inference or "fozzy logic" system in the assessment of sensory data. The need for offsite or offline engineering assistance is removed. In addition to the method, both a stand-alone apparatus as well as an add-on instrumentation kit for a PC otherwise in use at the drilling site are disclosed. The system of the present invention could be used in single or multi-axis drilling applications, and could be integrated with the depth or location control system for the drilling tool to automatically adjust the positioning or attributes of the tool.

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