E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
349/6
E21B 47/00 (2006.01) E21B 44/00 (2006.01) E21B 49/00 (2006.01)
Patent
CA 1246731
-21- Abstract of the Disclosure The present invention is directed to an apparatus and method for estimating the value of a parameter of the formation face being penetrated by the drill bit in a drilling operation. The present invention is particularly useful for providing real-time, contemporaneous data concerning the formation face being penetrated for use by the drilling operator or geologist in modifying the drilling operation. The present invention provides a system for estimating the value of one or more parameters of the formation face being penetrated by measuring- while-penetrating one or more measurable parameters of the formation face being penetrated and comparing these values to a data base comprising sets of correlated values for formation parameters of other borehole locations, each set comprising at least a value of the measured parameter and of the parameter of interest. Furthermore, the present invention provides a method and apparatus capable of constantly updating the data base as the borehole is drilled to constantly improve the data base and the estimated values.
484654
Kirby Eades Gale Baker
Nl Industries Inc.
LandOfFree
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