Drilling Tool

Abstract: Drilling tool (1) for drilling openings in a cement ballast tank (3) of an oil rig in order to gain access to an internal space in the ballast tank comprising an electrical motor (6) driving a first shaft (7); a pump (8) driven by the motor for pumping well fluid in through an inlet (9) and out through an outlet (10); a gear (11) driven by the first shaft extending through the pump for reducing rotation of a second shaft (12); and a drilling head (14) having bits and at least one drilling head fluid channel and being driven by the second shaft (12) the outlet of the pump being fluidly connected with the fluid channel to pump well fluid out through the fluid channel.

Patent Information

Application #

Filing Date

24 March 2016

Publication Number

36/2016

Publication Type

INA

Invention Field

CIVIL

Status

Email

patent@depenning.com

Parent Application

Patent Number

Legal Status

Grant Date

2023-02-08

Renewal Date

Applicants

WELLTEC A/S

Gydevang 25 DK 3450 Allerød

Inventors

1. ANDERSEN Tomas Sune

Sankt Anna Gade 73C 1.tv. DK 3000 Helsingør

2. JENSEN Sven Karsten

Skovvangs Allé 7 DK 3660 Stenløse

Specification

SOFT COPY ATTACHED IN PDF

Documents

Application Documents

#	Name	Date
1	Power of Attorney [24-03-2016(online)].pdf	2016-03-24
2	Form 5 [24-03-2016(online)].pdf	2016-03-24
3	Form 3 [24-03-2016(online)].pdf	2016-03-24
4	Form 1 [24-03-2016(online)].pdf	2016-03-24
5	Drawing [24-03-2016(online)].pdf	2016-03-24
6	Description(Complete) [24-03-2016(online)].pdf	2016-03-24
7	201647010291.pdf	2016-06-08
8	Form 3 [24-08-2016(online)].pdf	2016-08-24
9	201647010291-FORM 18 [08-09-2017(online)].pdf	2017-09-08
10	201647010291-FER.pdf	2019-10-17
11	201647010291-Proof of Right [06-04-2020(online)].pdf	2020-04-06
12	201647010291-PETITION UNDER RULE 137 [06-04-2020(online)].pdf	2020-04-06
13	201647010291-OTHERS [06-04-2020(online)].pdf	2020-04-06
14	201647010291-FORM 3 [06-04-2020(online)].pdf	2020-04-06
15	201647010291-FER_SER_REPLY [06-04-2020(online)].pdf	2020-04-06
16	201647010291-DRAWING [06-04-2020(online)].pdf	2020-04-06
17	201647010291-COMPLETE SPECIFICATION [06-04-2020(online)].pdf	2020-04-06
18	201647010291-CLAIMS [06-04-2020(online)].pdf	2020-04-06
19	201647010291-ABSTRACT [06-04-2020(online)].pdf	2020-04-06
20	201647010291-FORM 3 [26-09-2020(online)].pdf	2020-09-26
21	201647010291-PatentCertificate08-02-2023.pdf	2023-02-08
22	201647010291-IntimationOfGrant08-02-2023.pdf	2023-02-08

Search Strategy

1	201647010291_10-09-2019.pdf