Patent ID: 6397948
Filing Date: 2002-06-04
Classification: E21B,Y10T

Abstract:
A load limiting break away arrangement for a subsea umbilical which includes a plurality of individual tubes comprisingan outer body having a longitudinal cavity therethrough, said outer body having upper and lower slots through body walls to said cavity which are spaced 180Â° from each other, said outer body having a first connection arrangement at a first end, said upper slot of said outer body having a blade secured adjacent to a second end of said outer body which faces inwardly in said slot towards said first end; an inner body positioned for telescopic movement within said cavity of said outer body, said inner body having a first end inserted into said cavity of said outer body with a second end extending outwardly from said second end of outer body, said inner body having a second connection arrangement at said second end, said inner body formed of a solid bar with a plurality of holes, one hole for each of said plurality of individual tubes, said holes having their axes aligned with upper and lower slots of said outer body, a plurality of individual jumper tubes connected between first end and second umbilical termination devices, and extending through said upper and lower slots of said outer body through one of said holes of said inner body, and a first tension resistant member connected between first connection arrangement of said outer body and said first umbilical termination device, and a second tension resistant member connected between said second connection arrangement of said inner body and said second umbilical termination device, whereby large opposing forces on said first and second umbilical termination devices cause said inner body to be pulled out of said cavity of said outer body with said blade severing jumper tubes and uncoupling said first and second umbilical termination devices.