Smartrepair
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to methods and devices for positioning a plug train at a desired position within a pipeline with at least some gas in the fluid in the pipeline.
-
Citations
38 Claims
-
1. (canceled)
-
2. (canceled)
-
3. (canceled)
-
4. (canceled)
-
5. (canceled)
-
6. (canceled)
-
7. (canceled)
-
8. (canceled)
-
9. (canceled)
-
10. (canceled)
-
11. (canceled)
-
12. (canceled)
-
13. (canceled)
-
14. (canceled)
-
15. (canceled)
-
16. (canceled)
-
17. (canceled)
-
18. Method for stopping at least one plug train, within a pipeline with at least some gas in the fluid in the pipeline at a desired location, said method comprising:
-
inserting the at least one plug train within the pipeline; pigging the plug train in the pipeline by pressurizing the fluid at the back of the plug train; locating the position of the plug train; braking the speed of the plug train near the desired location; and activating a gripping means to position the plug train by gripping the inner wall of the pipeline. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. Method for determine the position of a plug train within a pipeline comprising:
-
providing an inertial navigational system for at least one axis; and determining the position of the plug train using the inertial navigational system.
-
-
30. Method for stopping at least one plug train, within a pipeline at a desired location, said method comprising:
-
inserting the at least one plug train within the pipeline, pigging the plug train in the pipeline by pressurizing the fluid at the back of the plug train, when means for deciding the position of the plug train indicates the plug train to be at a given location;
stopping the pigging of the plug train;activating a tractor device within the plug train; moving the plug train to the desired position within the pipeline through use of the tractor device; and gripping the inner wall of the pipeline.
-
-
31. A plug train for performing an activity within a pipeline at a desired location, said plug train comprising:
-
a means for pigging the plug train within the pipeline with at least a portion of gas in the pipeline fluid; a means for braking the speed of the plug train when is comes a desired location;
a means for measuring speed of the plug train within the pipeline;a means for measuring the location of the plug train within the pipeline; a means for performing the activity within the pipeline; a control module for operating the means within the plug train; and a means for sealing said plug train against an inner wall of the pipeline. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
-
Specification