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Locator device for continuously locating a dipole magnetic field transmitter and its method of operation - Patent US5337002(A)

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Filed: Oct 09, 1992
Published: Aug 09, 1994

Abstract

A locator/monitor for locating a boring tool and monitoring the progress of the tool for control purposes. The locator/monitor is used in expedited locating methodology and straightforward calibration techniques of the present invention. A durable and cost effective pitch sensor is also provided by the present invention. In addition, the present invention provides a slotted transmitter housing formed of an electrically conductive material, where the magnetic field generated by the transmitter is capable of penetrating to the surface.

Applicants

  • MERCER JOHN E

Inventors

  • MERCER JOHN E

Application Number

958941

Priority Claims

US66293991

Family Members

US5155442(A) - Position and orientation locator/monitor
US5337002(A) - Locator device for continuously locating a dipole magnetic field transmitter and its method of operation

Classification Codes

G01V3/10, G01V3/15, G01C9/00, G01V3/165, G01V3/11, E21B47/22, G01C9/18, E21B47/02, G01C9/20, G01C9/06
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