ARTHUR HERMAN HALE
Pilots at County Rd 845, Angleton, TX
License number
Texas A2496558
Issued Date
Dec 2015
Expiration Date
Dec 2016
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
190 County Road 845, Angleton, TX 77515
Professional information
Method Of Freeing Stuck Drill Pipe
US Patent:
6845818, Jan 25, 2005
Filed:
Apr 29, 2003
Appl. No.:
10/425512
Inventors:
Azra Nur Tutuncu - Houston TX, US
Arthur Herman Hale - Angleton TX, US
Arthur Herman Hale - Angleton TX, US
Assignee:
Shell Oil Company - Houston TX
International Classification:
E21B 3313
US Classification:
166249, 166301
Abstract:
Disclosed is an auxiliary method for freeing a drill pipe stuck due to build up of filter cake, which provides a reduction in the amount of force required to free said pipe which comprises:.