Bechtel National, Inc.

James McGhee

Robert Wayne Dickinson

Ben W Dickinson

Irving L Odgers

Earth well drilling apparatus including piping in a well, a metal drilling tube within the piping, and a hydraulic jet drilling head secured to the lower end of the tube. A seal is disposed between the piping and the tube. The drilling head is urged downwardly through the piping under hydraulic pressure through a tube bneding assembly laterally extensible from a retracted position substantially within the structure. The hydraulic pressure propels the tube downwardly through the piping and bending assembly to bend the tube and to direct the drilling head laterally toward the formation.

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Berkeley, CA, United States of America

James McGhee