US2015252623A1PendingUtilityA1

Directional drilling instrument

Assignee: MAGNETIC FIELD EFFECTS LLCPriority: Mar 4, 2014Filed: Mar 4, 2014Published: Sep 10, 2015

Est. expiryMar 4, 2034(~7.6 yrs left)· nominal 20-yr term from priority

Inventors:Kenneth Michael Nero Angus Lamberton Jamieson

E21B 7/04E21B 47/0228E21B 49/003E21B 47/017

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Claims

Abstract

One aspect of the disclosed subject matter is seen in a directional drilling instrument that comprises a chassis, a first sensor and a second sensor. The chassis has a longitudinal axis, and the first sensor is coupled to the chassis and oriented at a first angle (w1) relative to the longitudinal axis of the chassis. The second sensor is coupled to the chassis and oriented at a second angle (w2) relative to the longitudinal axis of the chassis. The first and second angles are non-identical and non-orthogonal relative to the longitudinal axis.

Claims

exact text as granted — not AI-modified

What is claimed: 
     
         1 . A directional drilling instrument, comprising:
 a chassis having a longitudinal axis;   a first sensor coupled to said chassis and oriented at a first angle (w 1 ) relative to the longitudinal axis of the chassis; and   a second sensor coupled to said chassis and oriented at a second angle (w 2 ) relative to the longitudinal axis of the chassis, wherein said first and second angles are non-identical and non-orthogonal relative to the longitudinal axis.

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