US 9,810,053 B2
Boring tool control using remote locator
John E. Mercer, Gig Harbor, WA (US)
Assigned to Merlin Technology Inc., Kent, WA (US)
Filed by Merlin Technology Inc., Kent, WA (US)
Filed on Jun. 21, 2016, as Appl. No. 15/187,917.
Application 15/187,917 is a continuation of application No. 14/677,099, filed on Apr. 2, 2015, granted, now 9,388,683.
Application 14/677,099 is a continuation of application No. 13/733,398, filed on Jan. 3, 2013, granted, now 8,997,890, issued on Apr. 7, 2015.
Application 13/733,398 is a continuation of application No. 13/047,061, filed on Mar. 14, 2011, granted, now 8,353,365, issued on Jan. 15, 2013.
Application 13/047,061 is a continuation of application No. 11/742,668, filed on May 1, 2007, granted, now 7,926,589, issued on Apr. 19, 2011.
Application 11/742,668 is a continuation of application No. 11/168,814, filed on Jun. 28, 2005, granted, now 7,225,885, issued on Jun. 5, 2007.
Application 11/168,814 is a continuation of application No. 09/898,989, filed on Jul. 3, 2001, granted, now 6,935,439, issued on Aug. 30, 2005.
Application 09/898,989 is a continuation of application No. 09/562,503, filed on May 1, 2000, granted, now 6,279,668, issued on Aug. 28, 2001.
Application 09/562,503 is a continuation of application No. 09/066,964, filed on Apr. 27, 1998, granted, now 6,079,506, issued on Jun. 27, 2000.
Prior Publication US 2016/0298440 A1, Oct. 13, 2016
Int. Cl. E21B 47/024 (2006.01); E21B 44/00 (2006.01); E21B 7/04 (2006.01); E21B 7/06 (2006.01); E21B 47/022 (2012.01); E21B 47/12 (2012.01)
CPC E21B 44/005 (2013.01) [E21B 7/046 (2013.01); E21B 7/06 (2013.01); E21B 7/068 (2013.01); E21B 44/00 (2013.01); E21B 47/024 (2013.01); E21B 47/02224 (2013.01); E21B 47/122 (2013.01)] 13 Claims
OG exemplary drawing
 
1. In a system for performing underground boring including a handheld portable device, said system also including a drill rig and a boring tool which is configured for moving through the ground to form an underground bore, an apparatus at the drill rig, said apparatus comprising:
a receiver for receiving a signal that is indicative of a current roll orientation of the boring tool which current roll orientation is related to steering the boring tool;
a processor configured to generate a display output at least including the current roll orientation and a desired roll orientation that is indicative of a steering command; and
a display for presenting the display output to an operator.