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2024
|
Invention
|
Pipe string disconnect. A string disconnect for a pipe string has a top sub (12) comprising a sub... |
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|
Invention
|
Fluid operated motor for running casing with bypass for pumping lost circulation material. A ream... |
|
|
Invention
|
Double shoulder threaded connector for well pipe having removable insert. A tool joint for a pipe... |
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2023
|
Invention
|
Method and apparatus for well tubular flotation. A wellbore tubular flotation device comprises a ... |
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2022
|
G/S
|
Downhole tools for use in oil and gas wells made of metal;
downhole tools and apparatus for use ... |
|
|
G/S
|
Power-operated downhole tools made of metal for use in oil and gas wells, namely, tools for remov... |
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2021
|
G/S
|
Power operated apparatus, equipment and machines used in oil and gas exploration, drilling and pr... |
|
|
G/S
|
Apparatus, equipment and machines (all included in this
class) used in oil and gas exploration, ... |
|
|
G/S
|
Apparatus, equipment and machines used in oil and gas exploration, drilling and production, insta... |
|
2019
|
Invention
|
Rotary drive apparatus.
A rotary drive apparatus (24) for a downhole tool (22), the rotary drive... |
|
|
Invention
|
Method for removing casing from a wellbore. A method for recovering a conduit from a wellbore (1)... |
|
|
G/S
|
Downhole apparatus for use in the oil and gas industries; drilling devices for use in the oil and... |
|
|
Invention
|
Apparatus and method for well tubular flotation. A flotation device for a wellbore tubular has a ... |
|
2018
|
Invention
|
Method for removing casing from a wellbore. A method for recovering a conduit from a wellbore inc... |
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2017
|
Invention
|
Downhole swivel tool. The invention provides a swivel tool for use in a wellbore. The tool compri... |
|
|
Invention
|
Rotary drive apparatus. A rotary drive apparatus (24) for a downhole tool (22), the rotary drive ... |
|
|
Invention
|
Downhole tool, method and assembly.
A tool assembly (10) comprises a casing section (12), and a ... |
|
2016
|
Invention
|
Downhole tool and method.
A downhole tool (10) configured to condition a borehole (B) and delive... |
|
2015
|
Invention
|
Downhole tool, method and assembly. A tool assembly (10) comprises a casing section (12), and a d... |
|
|
Invention
|
Downhole tool and method. A downhole tool (10) configured to condition a borehole (B) and deliver... |
|
2013
|
Invention
|
Wellbore completion system with reaming tool. A completion system (10) comprises tubular componen... |
|
2012
|
Invention
|
Wellbore reaming tool having locking clutch for drill out after running wellbore tubulars.
A rea... |
|
|
Invention
|
Pressure balanced fluid operated reaming tool for use in placing wellbore tubulars. An apparatus ... |
|
|
Invention
|
Wellbore completion system with reaming tool.
A completion system comprises tubul... |
|
|
Invention
|
Wellbore completion system with reaming tool. A completion system comprises tubular components co... |
|
2011
|
Invention
|
Drive system for a downhole tool.
A turbine drive system (10) for a downhole tool comprises a st... |
|
|
Invention
|
Apparatus and method for cutting a wellbore. An apparatus for cutting a wellbore includes a motor... |
|
2010
|
Invention
|
Reaming tool. A reaming tool for use in reaming a bore includes a body adapted for location in a ... |
|
|
Invention
|
Reaming tool. A reaming shoe for location in a bore has a rotationally balanced nose. A rotary dr... |
|
|
Invention
|
Wellbore completion. A completion system (10) comprises tubular components (22) coupled together ... |
|
|
Invention
|
Bearing.
A bearing (10) for use in a downhole motor assembly having an inner race (12) formed as... |
|
|
G/S
|
Downhole apparatus and tools for use in the oil and gas industries; downhole apparatus and tools ... |
|
2009
|
Invention
|
Reaming tool. A reaming tool (10) comprises a body (16) coupled to the leading end of a tubular c... |
|
|
Invention
|
Reaming tool. A reaming tool in the form of reamer shoe (10) is adapted for location in a wellbor... |
|
|
Invention
|
Reaming tool.
A reaming tool (10) comprises a body (16) coupled to the leading en... |
|
|
Invention
|
Reaming tool.
A reaming tool in the form of reamer shoe (10) is adapted for locat... |
|
|
Invention
|
An apparatus and method for cutting a wellbore. An apparatus (5) for cutting a wellbore (1) is di... |
|
|
Invention
|
An apparatus and method for cutting a wellbore.
An apparatus (5) for cutting a wellbor... |
|
2008
|
Invention
|
Running bore-lining tubulars. A method of running a tubular string into a wellbore comprises runn... |
|
2002
|
Invention
|
Centralizer. A centralizer 10 for mounting on a tubular member such as a section of casing, toget... |
|
2001
|
Invention
|
Centraliser.
The present invention comprises a centraliser (10) for mounting on a tubu... |
