Downhole Driving Unit Having A Hydraulic Motor With A Static Cam Ring

Abstract: The present invention relates to a downhole driving unit (11) for insertion into a well comprising a driving unit housing (51) a hydraulic motor comprising a hydraulic motor housing (93) the hydraulic motor comprising a cam ring (24) a wheel assembly (90) comprising a stationary part (91) and a rotational part the stationary part (92) being connected with the driving unit housing and rotatably connected with a rotational part the stationary part and the rotational part constituting the hydraulic motor housing said hydraulic motor comprising a rotatable section (84) connected with the rotational part the cam ring being connected with or forming part of the stationary part of the wheel assembly the rotational part comprising a wheel ring (99) wherein a bearing (36) is arranged between the cam ring and the wheel ring. The present invention also relates to a downhole system comprising the driving unit and to use of such driving unit.

Patent Information

Application #

Filing Date

29 July 2013

Publication Number

37/2014

Publication Type

INA

Invention Field

CIVIL

Status

Email

patent@depenning.com

Parent Application

Patent Number

Legal Status

Grant Date

2021-04-22

Renewal Date

Applicants

WELLTEC A/S

Gydevang 25 DK 3450 Allerød

Inventors

1. HALLUNDBÆK Jørgen

Haregabsvej 15 Esbønderup Skovhuse DK 3230 Græsted

Specification

Documents

Application Documents

#	Name	Date
1	6065-CHENP-2013.pdf	2013-07-30
2	GPA.pdf	2013-08-05
3	FORM-5.pdf	2013-08-05
4	FORM-3.pdf	2013-08-05
5	3674-2013 CLAIMS.pdf	2013-08-05
6	6065-CHENP-2013 FORM-3 28-01-2014.pdf	2014-01-28
7	6065-CHENP-2013 CORRESPONDENCE OTHERS 28-01-2014.pdf	2014-01-28
8	abstract 6065-CHENP-2013.jpg	2014-08-13
9	6065-CHENP-2013-FER.pdf	2019-05-30
10	6065-CHENP-2013-Proof of Right (MANDATORY) [04-11-2019(online)].pdf	2019-11-04
11	6065-CHENP-2013-OTHERS [04-11-2019(online)].pdf	2019-11-04
12	6065-CHENP-2013-FORM 3 [04-11-2019(online)].pdf	2019-11-04
13	6065-CHENP-2013-FER_SER_REPLY [04-11-2019(online)].pdf	2019-11-04
14	6065-CHENP-2013-DRAWING [04-11-2019(online)].pdf	2019-11-04
15	6065-CHENP-2013-COMPLETE SPECIFICATION [04-11-2019(online)].pdf	2019-11-04
16	6065-CHENP-2013-CLAIMS [04-11-2019(online)].pdf	2019-11-04
17	6065-CHENP-2013-ABSTRACT [04-11-2019(online)].pdf	2019-11-04
18	6065-CHENP-2013-FORM 3 [20-05-2020(online)].pdf	2020-05-20
19	6065-CHENP-2013-FORM 3 [04-11-2020(online)].pdf	2020-11-04
20	6065-CHENP-2013-PatentCertificate22-04-2021.pdf	2021-04-22
21	6065-CHENP-2013-IntimationOfGrant22-04-2021.pdf	2021-04-22

Search Strategy

1	6065search_04-05-2018.pdf