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2022
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Invention
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A drill pipe string conveyed bridge plug running tool and a method for forming and verifying a ce... |
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Invention
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Toolstring and method for inner casing perforating, shattering annulus cement, and washing the fi... |
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Invention
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Axial position-controlled operation toolstring and method.
An axial position-controlled operatio... |
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2021
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Invention
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Rotating stinger valve for j-slot connector. A petroleum well toolstring valve includes a drill p... |
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2020
|
Invention
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Drill pipe string conveyed retrievable plug system. A drill pipe string conveyed retrievable plug... |
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2019
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Invention
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Mechanical casing annulus packer. A casing packer seal arrangement includes a sliding casing pack... |
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Invention
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Tandem releasable bridge plug system and method for setting such tandem releasable plugs. A metho... |
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2017
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Invention
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Tandem releasable bridge plug system and method for setting such tandem releasable bridge plugs. ... |
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2016
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Invention
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One-trip method of plugging a borehole for well abandonment. A single trip method allows for perf... |
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2015
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Invention
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Casing annulus cement foundation system and a method for forming a flange collar constituting a c... |
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2014
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Invention
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Cementing method allowing initial liner top pressure integrity confirmation.
Cementing takes pla... |
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Invention
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Straddle tool with disconnect between seals.
A bottom hole assembly (BHA) enables a one trip pro... |
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Invention
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One trip blowout preventer cleaning and pressure testing. A bottom hole assembly (BHA) has a plug... |
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2013
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Invention
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One trip perforating and washing tool for plugging and abandoning wells. A single trip method all... |
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Invention
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Sleeve valve with permanent end position. A sleeve valve including a permanent end position and c... |
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Invention
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Blowout preventer cleaning tool. A BOP cleaning tool includes a first pipe section with a through... |
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Invention
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Petroleum well drill—or coiled tubing string mounted fishing tool. A petroleum well drill- or coi... |
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2012
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Invention
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Tool and method for locking and releasing a plug.
A tool for locking and releasing a plug in a h... |
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Invention
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Plug, and methods for setting and releasing the plug.
A plug includes a slip actuator for settin... |
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Invention
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Plug, and methods for setting and releasing the plug. A plug (1), and methods for setting and rel... |
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Invention
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Tool and method for locking and releasing a plug. A tool (1) for locking and releasing a plug (2)... |
