US 7,321,293 B2 | ||
Integrated magnetic ranging tool | ||
Timothy Wayne Kennedy, Leduc (Canada); Rodney Alan Schnell, Calgary (Canada); and Bryan Armand Vandal, Calgary (Canada) | ||
Assigned to Halliburton Energy Services, Inc., Houston, Tex. (US) | ||
Filed on May 20, 2005, as Appl. No. 11/133,182. | ||
Claims priority of application No. 2476787 (CA), filed on Aug. 06, 2004. | ||
Prior Publication US 2006/0028321 A1, Feb. 09, 2006 | ||
Int. Cl. G08B 3/14 (2006.01) |
U.S. Cl. 340—385.1 [340/686.1; 175/40] | 34 Claims |
1. A tool adapted for connection into a drilling string, wherein the tool is adapted to perform a first function in the drilling string, characterized in that the tool which comprises a magnetic field source incorporated with the tool so that the tool is adapted to perform a second function in the drilling string, wherein the second function is a magnetic field source carrying function, wherein the first function is unrelated to the magnetic field source carrying function, wherein the tool defines a tool axis, wherein the magnetic field source has a magnetic field source axis, and wherein the magnetic field source is incorporated with the tool such that the magnetic field source axis is substantially perpendicular to the tool axis. |