Subsea Excavation Systems and Methods

摘要

Novel subsea excavation apparatus and methods that exert force between a subsea anchor point and an excavator using a subsea actuator. In some examples the subsea actuator is attached to an anchor point on the seabed and the excavator directly. In other examples, a guide frame is anchored to the seabed to provide anchor points fixed relative to the seabed and the subsea actuators are attached to the guide frame and the excavator. In further examples, the subsea actuators can be attached to the excavator through a carrier frame or other excavator guides rather than directly to the excavator.

主权项

1. A subsea excavation apparatus comprising:
an excavator; a first anchor point in a first fixed location relative to the seabed; a first subsea actuator attached to the excavator and the first anchor point for converting power to mechanical force between the first anchor point and the excavator; wherein the subsea actuator exerts force in response to actuator control signals.