Title:
WORKING ORGAN OF HELICAL-TYPE DOWN-HOLE DRIVE FOR HOLE DRILLING
Document Type and Number:
WIPO Patent Application WO/1991/009201
Kind Code:
A1
Abstract:
A working organ of a helical-type down-hole drive consisting of either a rotor with external helical teeth or a stator with internal helical teeth. The working organ comprises separate sections (1) provided with successively arranged helical teeth (3) and interconnected by sleeves (2). Each sleeve (2) is provided with helical teeth (4) corresponding in pitch and direction to those of the helical teeth (3) of the sections (1) and equidistant from the latter in profile. This enables automatic orientation of the helical teeth sections of the working organ.
Inventors:
KOCHNEV ANATOLY MIKHAILOVICH (SU)
VSHIVKOV ANDREI NIKOLAEVICH (SU)
GOLDOBIN VLADIMIR BORISOVICH (SU)
KOROTAEV JURY ARSENIEVICH (SU)
VSHIVKOV ANDREI NIKOLAEVICH (SU)
GOLDOBIN VLADIMIR BORISOVICH (SU)
KOROTAEV JURY ARSENIEVICH (SU)
Application Number:
PCT/SU1989/000309
Publication Date:
June 27, 1991
Filing Date:
December 08, 1989
Export Citation:
Assignee:
PERM VNI (SU)
International Classes:
E21B4/02; F04C2/107; (IPC1-7): E21B4/02
Foreign References:
| EP0265521A1 | 1988-05-04 | |||
| DE2840809B2 | 1981-02-19 | |||
| FR2558519A1 | 1985-07-26 | |||
| SU943387A1 | 1982-07-15 |
Download PDF:
Previous Patent: APPARATUS FOR SUSPENDING LAMELLAR SUN-BLINDS OR THE LIKE
Next Patent: DRILLING TOOL FOR WIDENING A BORE WELL
Next Patent: DRILLING TOOL FOR WIDENING A BORE WELL