Subsea line clamp assembly

A method of clamping a subsea line, comprising assembling a subsea line clamp assembly onto an outer surface of the subsea line, the subsea line clamp assembly comprising:

• a body having an axis and being divided into at least first and second body segments adapted to be assembled around the subsea line, the body having an anchor attachment point adapted to tether the body to a subsea anchor,
• a clamp member comprising at least first and second clamp member segments, the clamp member having an outer surface adapted to engage an inner surface of the body extending circumferentially around the outer surface of the clamp member, and an inner surface adapted to engage the subsea line with the subsea line clamp assembly,
• wherein the clamp member and the body are divided in a direction along the axis into the same number of segments, with each body segment having a respective clamp member segment,
• wherein at least one segment of the clamp member is radially and axially movable relative to the body when the assembly is assembled around the subsea line,
• the inner surface of the body having a plurality of first tapered portions and the outer surface of the clamp member having a plurality of second tapered portions arranged to engage the first tapered portions on the inner surface of the body during movement of the clamp member relative to the body, wherein the first and second tapered portions face opposite ends of the subsea line clamp assembly, and wherein friction between the inner surface of the body and outer surface of the clamp member is lower than the friction between the inner surface of the clamp member and the outer surface of the subsea line;
• and wherein axial movement of the clamp member in a first direction relative to the body when the first and second tapered portions are engaged urges the inner surface of the clamp member radially inwards with respect to the body against the outer surface of the subsea line;
• wherein each body segment has a larger angular dimension than its respective clamp member segment.

A subsea line clamp assembly, comprising a body having an axis and a clamp member, the body comprising at least first and second body segments adapted to be assembled around a subsea line, the body having an anchor attachment point adapted to tether the body to a subsea anchor, the clamp member comprising at least first and second clamp member segments, the clamp member being movable relative to the body and having an outer surface adapted to engage an inner surface of the body, and an inner surface adapted to engage the subsea line within the subsea line clamp assembly, the inner surface of the body having a plurality of first tapered portions, the first tapered portions being annular and extending around at least a portion of the inner surface of the body, and the outer surface of the clamp member having a plurality of second tapered portions, wherein the second tapered portions are annular, extending around at least a portion of the outer surface of the clamp member and wherein the second tapered portions are arranged to engage the first tapered portions on the inner surface of the body during movement of the clamp member relative to the body, wherein the clamp member and the body are divided in a direction along the axis into the same number of segments, with each body segment having a respective clamp member segment, and wherein each body segment has a larger angular dimension than its respective clamp member segment, wherein the clamp member and the body are divided circumferentially into axial sections, with each axial body section having a respective axial clamp member section, and wherein each axial body section has a larger axial dimension than its respective axial clamp member section.