Back to results
US 8,912,806 B2Granted
Method of cutting and testing a pipeline cut under water or under a seabed
AssigneeGenesis Oil & Gas Consultants Limited
InventorsSteve Banks, Peter Robinson, Anthony Peyton, David Armitage
Life of this patent
Estimating the term…
Abstract
Disclosed is a method to determine whether a pipeline has been cut, the method including (a) transmitting an electromagnetic signal through the pipeline; (b) monitoring any reflected signal(s); and (c) interpreting the reflected signal to determine whether the pipeline has been cut.
Claims16
A method of testing the through cut of a pipeline comprising at least the steps of:
- (a) applying a cutting process to a region of a pipeline with a cutting tool deployed at a location to effect cutting of the pipeline at the region;
- (b) transmitting an electromagnetic signal through the region of the pipeline after the applying step;
- (c) monitoring any reflected signal resulting from the transmitting during the cutting process;
- and
- (d) interpreting the reflected signal to determine whether the pipeline is cut through before removing the cutting tool from the location,
- wherein steps (b) and (c) are carried out in the pipeline using an in-line tool.
3 more elements
Dependencies are inferred from the claim text.