Title:
ADVANCED DRILLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/000968
Kind Code:
A1
Abstract:
Disclosed is a device for drilling oil wells, comprising: a cone operated by a hydraulic shaft that rotates the cone completely; and a horizontal second shaft disposed on the main shaft and connected to a groove made inside the cone, said second shaft being driven by a small motor to change the shape and angle of the cone.
Inventors:
ABD EL SHAFY AHMED BAHAEI MOHAMED (EG)
Application Number:
PCT/EG2015/000037
Publication Date:
January 05, 2017
Filing Date:
August 11, 2015
Export Citation:
Assignee:
ABD EL SHAFY AHMED BAHAEI MOHAMED (EG)
International Classes:
E21B3/00; E21B10/08
Foreign References:
| CN2325505Y | 1999-06-23 | |||
| CN201883974U | 2011-06-29 | |||
| US6167975B1 | 2001-01-02 | |||
| RU2153568C2 | 2000-07-27 |
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