Pulling Tool

Abstract: The present invention relates to a pulling tool (1) for latching onto an object (30) such as a plug downhole in a wellbore The pulling tool comprises a base element (10) extending in a longitudinal direction from a proximal end (10a) for being connected to a wireline tool to a distal end (10b) adapted to engage the object and a latching mechanism (13) encircling the base element and being movable in the longitudinal direction between a deactivated position and an activated position comprising a piston sleeve (13) a key element (17) for latching onto the downhole object the key element being slidably received inside the piston sleeve and extending from an end of the piston sleeve towards the distal end of the base element and a piston spring forcing (16a) the piston sleeve in the longitudinal direction towards the proximal end of the base element. Furthermore the present invention relates to a downhole retrieval system for pulling an object in a well bore and to a method of connecting and disconnecting such retrieval system to a downhole object.

Patent Information

Application #

Filing Date

17 June 2014

Publication Number

37/2015

Publication Type

INA

Invention Field

CIVIL

Status

Email

patent@depenning.com

Parent Application

Applicants

WELLTEC A/S

Gydevang 25 DK 3450 Allerød

Inventors

1. HALLUNDBÆK Jørgen

Haregabsvej 15 Esbønderup Skovhuse DK 3230 Græsted

2. EVERTSEN Steffen

Karlsminnegata 117 N 4015 Stavanger

3. SOMMER Rasmus

Blommehaven 29 DK 2500 Valby

Specification

Documents

Application Documents

#	Name	Date
1	OTHERS.pdf	2014-06-18
2	GPA.pdf	2014-06-18
3	Form 5.pdf	2014-06-18
4	Form 3.pdf	2014-06-18
5	CLAIMS.pdf	2014-06-18
6	4494-CHENP-2014.pdf	2014-07-10
7	4494-CHENP-2014 FORM-3 15-12-2014.pdf	2014-12-15
8	4494-CHENP-2014 CORRESPONDENCE OTHERS 15-12-2014.pdf	2014-12-15
9	abstract 4494-CHENP-2014.jpg	2015-02-09
10	4494-CHENP-2014-FER.pdf	2019-04-02
11	4494-CHENP-2014-PETITION UNDER RULE 137 [26-09-2019(online)].pdf	2019-09-26
12	4494-CHENP-2014-OTHERS [26-09-2019(online)].pdf	2019-09-26
13	4494-CHENP-2014-FORM-26 [26-09-2019(online)].pdf	2019-09-26
14	4494-CHENP-2014-FORM 3 [26-09-2019(online)].pdf	2019-09-26
15	4494-CHENP-2014-FER_SER_REPLY [26-09-2019(online)].pdf	2019-09-26
16	4494-CHENP-2014-DRAWING [26-09-2019(online)].pdf	2019-09-26
17	4494-CHENP-2014-COMPLETE SPECIFICATION [26-09-2019(online)].pdf	2019-09-26
18	4494-CHENP-2014-CLAIMS [26-09-2019(online)].pdf	2019-09-26
19	4494-CHENP-2014-ABSTRACT [26-09-2019(online)].pdf	2019-09-26
20	4494-CHENP-2014-FORM 3 [13-03-2020(online)].pdf	2020-03-13
21	4494-CHENP-2014-Correspondence to notify the Controller [08-10-2021(online)].pdf	2021-10-08
22	4494-CHENP-2014-US(14)-HearingNotice-(HearingDate-02-12-2021).pdf	2021-10-17

Search Strategy

1	4494chenp2014strategy_10-08-2018.pdf