Anti-freezing method and apparatus for ground surrounding liquif

Apparatus and method for buffering submerged conduits

Apparatus for enhanced bioremediation of underground contaminant

Apparatus for guiding a load between a surface apparatus and a s

Composition of matter useful for earthen formation treatment

Controlled buoyancy underwater riser system

Down hole well tool with pressure relief chamber

Flexible supportive joint for sub-sea riser flotation means

Full-bore sample-collecting apparatus

Liquid impervious surface structures

Lock means for a tension line

Marine structure with detachable anchor

Marine structure with hydraulic tensioner

Marine structure with hydraulic tensioner

Marine structure with riser conductor and pipeline connection

Means and method for making a flowline connection to a subsea co

Method and apparatus for connecting the ends of submerged pipes

Method and apparatus for installing underwater flowlines

Method and apparatus for joining a subsea pipeline to an offshor

Method and apparatus for laying and connecting flow lines to sub