New resistivity drilling toolThe new Centerfire resistivity system complements this firm's fleet of measurement while drilling systems.The system, developed and tested leveraging Six Sigma methodology, has successfully completed full-system testing of more than 500 drilling hr and more than 1,200 circulating hr. The MWD probe, used in conjunction with the Centerfire resistivity tool, is mounted above the resistivity collar for easy retrieval and data transmission to the surface. Three different tool sizes will be available with outside diameters of 4.75, 6.75, and 8.25 in., allowing the tool to be used in a range of hole sizes.The resistivity tool combines multiple transmitter spacing...

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