A dynamic centralizer design for probe type measuring while...

Details A dynamic centralizer design for probe type measuring while... A dynamic centralizer design for probe type measuring while...

E - Fixed Constructions

21

B

E21B 44/00 (2006.01) E21B 17/10 (2006.01)

Patent

CA 2362872

The dynamic centralizes is designed for both retrievable and non-retrievable probe type MWD tools which used to during drilling oil & gas wells . The mean features of this design are to fit MWD tool dynamically into the center inside it's drill collar properly throughout all related drilling operations without need to adjust the centralizer's thickness into such drill collar's inside diameter, result in eliminate MWD tool's centralization defect, which affect it's measuring accuracy performance. Secondly, the dynamic centralizes acts as a lateral shocks absorber to adapt MWD tool mass to associate rotating drill string mass especially while rotary drilling mode.

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