Keith Kinnan
General Contractor in Camas Valley, OR

License number
Utah 4871301-E100
Issued Date
Feb 15, 2001
Category
Contractor
Type
E100 - General Engineering Qualifier
Address
Address
Camas Valley, OR

Professional information

Keith Kinnan Photo 1

Method And Apparatus For Steering An Earth Boring Tool

US Patent:
6109371, Aug 29, 2000
Filed:
Feb 10, 1998
Appl. No.:
9/021583
Inventors:
Keith A. Kinnan - Camas Valley OR
Assignee:
The Charles Machine Works, Inc. - Perry OK
International Classification:
E21B 700
US Classification:
175 61
Abstract:
A method for steering a drill bit are disclosed that allow steered horizontal drilling to be performed in rocky, semi-hard, or hard soils and rock, including the steps of stopping the advancement and rotation of the drill string, positioning the upper cutting portion so that the upper cutting portion is pointed in the direction it is desired to deflect the drill string, rocking the drill bit in an arc, thrusting the drill string forward while rocking, and rotating the drill bit.

General Contractor licenses in Utah