Title:
DOUBLE HOOK AND DOUBLE SPEAR STRUCTURE WIRE LINE FEEDING AND PULL-UP DEVICE
Document Type and Number:
Japanese Patent JP2021032077
Kind Code:
A
Abstract:
To provide a double hook and double spear structure wire line feeding and pull-up device which perform the difference operation of a double pipe type core ring device by a connecting method of double hook and double spear control.SOLUTION: A double hook and double spear structure wire line feeding and pull-up device comprises a feeding device part, a pull-up device part and a pulled-up part. The feeding device part includes a first wire line 21, a slide hammer 225, a connecting rod 227, a separation control ring 228, two sets of pulling-up hooks 229 for the feeding device and a guide cup 2210 for the feeding device. The pull-up device part includes a second wire line, a pull-up device rod body, two sets of pull-up hooks for the pull-up device and a guide cup for the pull-up device. The pulled-up part includes a first pull-up spear 231, two sets of hooks 232 for a core ring device, a second pull-up spear 241, a release ring tube connector 233 and a release ring tube 234.SELECTED DRAWING: Figure 1
Inventors:
YE JIANLIANG
LU QIUPING
KOU BEIBEI
YU YANJIANG
WANG KAI
XIONG LIANG
SHI HAOXIAN
CHEN LIANG
WANG JINGLI
LU QIUPING
KOU BEIBEI
YU YANJIANG
WANG KAI
XIONG LIANG
SHI HAOXIAN
CHEN LIANG
WANG JINGLI
Application Number:
JP2020136629A
Publication Date:
March 01, 2021
Filing Date:
August 13, 2020
Export Citation:
Assignee:
GUANGZHOU MARINE GEOLOGICAL SURVEY
International Classes:
E21B23/14; E21B25/02
Domestic Patent References:
| JP2002266585A | 2002-09-18 | |||
| JPH05263582A | 1993-10-12 | |||
| JPH10196266A | 1998-07-28 |
Foreign References:
| US5592994A | 1997-01-14 |
Attorney, Agent or Firm:
Hiroaki Yamauchi
Takeshi Yamada
Takeshi Yamada