Title:
PROFILE FORMATION
Document Type and Number:
WIPO Patent Application WO2000037767
Kind Code:
A3
Abstract:
A method of forming a profile (10) in a section of tubing (12) comprises: providing an expander device (14) having at least one radially extendable expander member (22); positioning the device (14) at a predetermined location in the tubing (12); and extending the member (22) to deform the tubing (12) to create a profile (10).
Inventors:
METCALFE PAUL DAVID
SIMPSON NEIL ANDREW ABERCROMBI
SIMPSON NEIL ANDREW ABERCROMBI
Application Number:
PCT/GB1999/004248
Publication Date:
October 26, 2000
Filing Date:
December 22, 1999
Export Citation:
Assignee:
WEATHERFORD LAMB (US)
International Classes:
B21D17/04; B21D39/04; B21D39/10; B21D41/02; E21B7/00; E21B7/20; E21B19/16; E21B23/00; E21B23/02; E21B23/04; E21B29/00; E21B29/10; E21B33/10; E21B33/13; E21B33/138; E21B33/16; E21B43/08; E21B43/10; (IPC1-7): E21B29/00; B21D17/04; B21D39/04
Foreign References:
| US4997320A | 1991-03-05 | |||
| US3820370A | 1974-06-28 | |||
| US3191677A | 1965-06-29 | |||
| US2627891A | 1953-02-10 | |||
| US4807704A | 1989-02-28 | |||
| US3977076A | 1976-08-31 |
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