Trenching device
AssigneeHeerema Marine Contractors Nederland B.V.
InventorCornelis Van Zandwijk
Life of this patent
Estimating the term…
Abstract
A trenching device (1) for forming a trench (2) in a seabed (3) to receive an elongate object, such as a pipeline, said trenching device (1) comprising a base frame (6), and a trenching wheel (7) which is connected to the base frame (6) and rotatable about a trenching wheel axis (8) to form the trench (2), wherein the trenching device (1) is configured to push the trenching wheel (7) into the seabed (3) when the trenching wheel (7) is positioned on the seabed (3).
Claims21
-66. (canceled)
A trenching device for forming a trench in a seabed to receive an elongate object, such as a pipeline, said trenching device comprising:
- a base frame;
- and
- a trenching wheel which is connected to the base frame and rotatable about a trenching wheel axis to form the trench, wherein the trenching device is configured to push the trenching wheel into the seabed when the trenching wheel is positioned on the seabed.
A method of forming a trench in a seabed to receive an elongate object, such as a pipeline, with a trenching device comprising a base frame, a trenching wheel which is connected to the base frame and rotatable about a trenching wheel axis to form the trench, wherein the trenching device is configured to push the trenching wheel into the seabed when the trenching wheel is positioned on the seabed, and said method comprises:
- positioning the trenching wheel on the seabed;
- pushing the trenching wheel into the seabed;
- and
- moving the trenching device along the seabed to form the trench.
Dependencies are inferred from the claim text.