Steffen Evertsen

Person

Stavanger, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Or relating to well abandonment and slot recovery
- Patent number 11,613,951
- Issue date Mar 28, 2023
- ARDYNE HOLDINGS LIMITED
- Lars Kristian Kristiansen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of removing a downhole casing
- Patent number 11,193,343
- Issue date Dec 7, 2021
- ARDYNE HOLDINGS LIMITED
- Frode Sunde
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for removing a section of casing or lining from a well-bo...
- Patent number 10,907,432
- Issue date Feb 2, 2021
- ARDYNE HOLDINGS LIMITED
- Steffen Evertsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of removing a downhole casing
- Patent number 10,781,653
- Issue date Sep 22, 2020
- ARDYNE HOLDINGS LIMITED
- Frode Sunde
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool method and device
- Patent number 10,392,901
- Issue date Aug 27, 2019
- ARDYNE HOLDINGS LIMITED
- Steffen Evertsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool stop device and method for use of same
- Patent number 10,030,457
- Issue date Jul 24, 2018
- ARDYNE AS
- Edwin Cornelis Gerardus Rooyakkers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pulling tool
- Patent number 9,695,658
- Issue date Jul 4, 2017
- Welltec A/S
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole injection tool
- Patent number 9,683,425
- Issue date Jun 20, 2017
- Welltec A/S
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Improvements In Or Relating To Well Abandonment and Slot Recovery
- Publication number 20210355778
- Publication date Nov 18, 2021
- Ardyne Holdings Limited
- Lars Kristian Kristiansen
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of Removing A Downhole Casing
- Publication number 20200347687
- Publication date Nov 5, 2020
- Ardyne Holdings Limited
- Frode Sunde
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of Removing A Downhole Casing
- Publication number 20190257168
- Publication date Aug 22, 2019
- ARDYNE HOLDINGS LIMITED
- Frode Sunde
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus For Removing A Section Of Casing Or Lining From A Well-Bo...
- Publication number 20190048677
- Publication date Feb 14, 2019
- ARDYNE HOLDINGS LIMITED
- Steffen Evertsen
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Tool Stop Device and Method for Use of Same
- Publication number 20160305207
- Publication date Oct 20, 2016
- WELBORE AS
- Steffen EVERTSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Tool Method and Device
- Publication number 20160273307
- Publication date Sep 22, 2016
- WELLBORE AS
- Steffen EVERTSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
PULLING TOOL
- Publication number 20140311757
- Publication date Oct 23, 2014
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE INJECTION TOOL
- Publication number 20140238675
- Publication date Aug 28, 2014
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING

Steffen Evertsen

Person

Patents Grantslast 30 patents

Or relating to well abandonment and slot recovery

Method of removing a downhole casing

Apparatus for removing a section of casing or lining from a well-bo...

Method of removing a downhole casing

Downhole tool method and device

Downhole tool stop device and method for use of same

Pulling tool

Downhole injection tool

Patents Applicationslast 30 patents

Improvements In Or Relating To Well Abandonment and Slot Recovery

Method of Removing A Downhole Casing

Method of Removing A Downhole Casing

Apparatus For Removing A Section Of Casing Or Lining From A Well-Bo...

Downhole Tool Stop Device and Method for Use of Same

Downhole Tool Method and Device

PULLING TOOL

DOWNHOLE INJECTION TOOL