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US 2020/0399971 A1Published application
Compact over pull-push stroking tool
AssigneeFMC Technologies, Inc.
InventorJosué Vasconcelos Monteiro, Jr.
Life of this patent
Estimating the term…
Abstract
An extendable wellbore tool may include a housing, a telescopic cylinder, and one or more hydraulic actuators. The telescopic cylinder may be disposed within the housing and may include two or more cylinders configured to extend and retract relative to each other. The one or more hydraulic actuators may be connected to the telescopic cylinder via a link arm, and may be configured to extend and retract the telescopic cylinder relative to the housing.
Claims22
An extendable wellbore tool comprising:
- a housing;
- a telescopic cylinder disposed within the housing, the telescopic cylinder comprising two or more cylinders configured to extend and retract relative to each other;
- and
- one or more hydraulic actuators, connected to the telescopic cylinder via a link arm, configured to extend and retract the telescopic cylinder relative to the housing.
1 more element
A method comprising:
- extending an extendable wellbore tool, the extendable wellbore tool being attached to a Christmas tree;
- performing a wellbore operation;
- and
- retracting the extendable wellbore tool,
- wherein the extendable wellbore tool comprises:
- a housing;
- a telescopic cylinder disposed within the housing, the telescopic cylinder comprising two or more cylinders configured to extend and retract relative to each other;
- and
- one or more hydraulic actuators, connected to the telescopic cylinder via a link arm, configured to extend and retract telescopic cylinder.
6 more elements
A system comprising:
- a housing;
- a telescopic cylinder disposed within the housing and coupled to the housing such that the telescopic cylinder is configured to extend and retract through the housing, the telescopic cylinder comprising:
- an outer cylinder;
- an inner cylinder disposed within the outer cylinder;
- optionally one or more intermediate cylinders disposed between the inner cylinder and the outer cylinder;
- and
- barrier seals configured to act as positive stops disposed between adjacent cylinders;
- an extension line and a retraction line, configured to control fluid flow to extend and retract the cylinders of the telescopic cylinder relative to each other;
- one or more hydraulic actuators configured to be extended and retracted via hot stabs configured to extend and retract the telescopic cylinder;
- and
- a link al in connecting the one or more hydraulic actuators to the telescopic cylinder.
8 more elements
Dependencies are inferred from the claim text.