Apparatus for subsea equipment

An apparatus for installation to a mandrel or hub disposed in a subsea environment, comprising:

• a body having a body longitudinal axis and a cylindrical sidewall extending axially along the body longitudinal axis, the cylindrical sidewall defining one or more receptacles and forming a respective shoulder within each receptacle in the cylindrical sidewall;
• and
• a locking system coupled to the body and configured to couple the body to the mandrel or hub, the locking system comprising:
• one or more locking assemblies, each locking assembly configured to be received within a respective receptacle and coupled to the cylindrical sidewall, each locking assembly comprising a locking body comprising a main locking body portion and a secondary locking body portion, the secondary locking body portion extending from the main locking body portion, the main locking body portion further comprising a main locking body portion exterior surface and a main locking body interior surface;
• a first locking collar configured to couple the locking body to the cylindrical sidewall such that the first locking collar is coupled with the secondary locking body portion and seated against an interior face of the shoulder and the main locking body portion interior surface is seated against an exterior face of the shoulder;
• an actuator adjustably coupled to the locking body and configured to move radially toward or away from an angled shoulder surface of the mandrel or hub, the actuator further comprising a main actuator portion having an outer surface and an inner surface, the outer surface of the main actuator portion being adjustably coupled to the locking body, and the inner surface of the main actuator portion defining an actuator locking pin bore;
• and
• a locking pin coupled with the actuator and configured to selectively engage the angled shoulder surface of the mandrel or hub, such that when extended, the locking pin couples the body to the mandrel or hub, the locking pin comprising a locking pin head and a locking pin shaft, the locking pin head having a first surface and a second surface, the first surface shaped to generally conform to the angled shoulder surface of the mandrel or hub, and the locking pin shaft extending from the second surface of the locking pin head, the locking pin shaft configured to be installed to the actuator locking pin bore, wherein the locking pin defines a first annular groove at a location adjacent a junction of the locking pin head and locking pin shaft, and the locking pin is configured to shear at the location of the first annular groove in the event that a predetermined load rating is exceeded.

An apparatus for installation to a mandrel or hub disposed in a subsea environment, comprising:

• a body having a body longitudinal axis and a cylindrical sidewall extending axially along the body longitudinal axis, the cylindrical sidewall defining one or more receptacles and forming a respective shoulder within each receptacle in the cylindrical sidewall;
• and
• a locking system configured to couple the body to the mandrel or hub, the locking system comprising:
• one or more locking assemblies, each locking assembly configured to be received within a respective receptacle and coupled to the cylindrical sidewall, each locking assembly comprising:
• a locking body comprising a main locking body portion and a secondary locking body portion extending from the main locking body portion, the main locking body portion further comprising a main locking body portion exterior surface and a main locking body interior surface;
• a first locking collar configured to couple the locking body to the cylindrical sidewall, such that the first locking collar is coupled with the secondary locking body portion and seated against an interior face of the shoulder and the main locking body portion interior surface is seated against an exterior face of the shoulder;
• an actuator adjustably coupled to the locking body and configured to move radially toward or away from an angled shoulder surface of the mandrel or hub, the actuator further comprising a main actuator portion having an outer surface and an inner surface, the outer surface of the main actuator portion being adjustably coupled to the locking body, and the inner surface of the main actuator portion defining an actuator locking pin bore;
• and
• a locking pin coupled with the actuator and configured to selectively engage the angled shoulder surface of the mandrel or hub, such that when extended, the locking pin couples the body to the mandrel or hub, the locking pin comprising:
• a locking pin head and a locking pin shaft, the locking pin head having a first surface and a second surface, the first surface shaped to generally conform to the angled shoulder surface of the mandrel or hub, and the locking pin shaft extending from the second surface of the locking pin head, the locking pin shaft configured to be installed to the actuator locking pin bore, and
• a vent channel extending through the locking pin head and the locking pin shaft, the vent channel configured to fluidly couple the actuator locking pin bore to the subsea environment.

An apparatus for installation to a mandrel or hub disposed in a subsea environment, comprising:

• a body having a body longitudinal axis and a cylindrical sidewall extending axially along the body longitudinal axis, the cylindrical sidewall defining one or more receptacles, and
• a locking system coupled to the body and configured to couple the body to the mandrel or hub, the locking system comprising:
• one or more locking assemblies, each locking assembly configured to be received within a respective receptacle and coupled to the cylindrical sidewall, each locking assembly comprising an actuator adjustably coupled to the cylindrical sidewall and configured to move radially toward or away from an angled shoulder surface of the mandrel or hub, the actuator comprising a main actuator portion having an outer surface, an inner surface and an end face, the outer surface of the main actuator portion being adjustably coupled to the cylindrical sidewall, and the inner surface of the main actuator portion defining an actuator locking pin bore;
• a remotely operated vehicle (ROV) interface member having an ROV interface member interior surface, wherein the ROV interface member further comprises an exterior ROV interface;
• and
• an actuator longitudinal axis, the main actuator portion configured to rotate in a clockwise or a counterclockwise direction about the actuator longitudinal axis to move radially in relation to the mandrel or hub based on the input from an ROV;
• a locking pin coupled with the actuator and configured to selectively engage the angled shoulder surface of the mandrel or hub, such that when extended, the locking pin couples the body to the mandrel or hub, the locking pin comprising:
• a locking pin head and a locking pin shaft, wherein:
• the locking pin head has a first surface and a second surface, the first surface shaped to generally conform to an angled shoulder surface of the mandrel or hub, and the second surface seated against the end face of the main actuator portion;
• and
• a locking pin shaft extending from the second surface of the locking pin head and configured to be installed to the actuator locking pin bore;
• wherein the locking pin:
• defines a groove at a location adjacent a junction of the locking pin head and the locking pin shaft;
• and
• is configured to shear at the location of the groove in the even that a predetermined load rating is exceeded.

An apparatus for installation to a mandrel or hub disposed in a subsea environment, comprising:

• a body having a body longitudinal axis and a cylindrical sidewall extending axially along the body longitudinal axis, the cylindrical sidewall defining one or more receptacles;
• and
• a locking system coupled to the body and configured to couple the body to the mandrel or hub, the locking system comprising:
• one or more locking assemblies, each locking assembly configured to be received within a respective receptacle and coupled to the cylindrical sidewall, each locking assembly comprising:
• a locking body comprising a main locking body portion having a main locking body portion exterior surface defining an annular groove;
• an actuator adjustably coupled to the locking body and configured to move radially toward or away from an angled shoulder surface of the mandrel or hub, the actuator comprising a main actuator portion;
• a remotely operated vehicle (“ROV”) interface member extending from the main actuator portion and having an ROV interface member interior surface, the ROV interface member having an exterior ROV interface;
• and
• an actuator longitudinal axis, the main actuator portion configured to rotate in a clockwise or a counterclockwise direction about the actuator longitudinal axis to move radially in relation to the mandrel or hub based on the input from an ROV;
• an annular component disposed within the annular groove and protruding therefrom, the annular component configured to engage the ROV interface member interior surface as the actuator is moved radially toward the angled shoulder surface of the mandrel or hub, and the annular component further configured to prevent contact between the ROV interface member interior surface and the main locking body portion exterior surface;
• and
• a locking pin integral or coupled with the actuator and configured to selectively engage the angled shoulder surface of the mandrel or hub, such that when extended, the locking pin couples the body and locking assembly to the mandrel or hub.