Title:
METHOD AND APPARATUS FOR REPLACING BOP WITH GATE VALVE
Document Type and Number:
WIPO Patent Application WO2003014604
Kind Code:
A3
Abstract:
The present invention discloses apparatus and methods for replacing a BOP with a gate valve (10) to thereby save space, initial costs, and maintenance costs that 5 is especially beneficial for use in offshore subsea riser packages. The method provides a gate valve (100) capable of reliably cutting tubing (122) utilizing a cutting edge (106) with an inclined surface (124) that wedges the cut portion of the tubing out of the gate valve body (36). A method and apparatus (150) is provided for determining the actuator force needed to cut the particular size tubing (122).
More Like This:
Inventors:
SUNDARARAJAN ALAGARSAMY
Application Number:
PCT/US2002/025328
Publication Date:
July 15, 2004
Filing Date:
August 09, 2002
Export Citation:
Assignee:
WORLDWIDE OILFIELD MACHINE INC (US)
International Classes:
A61M39/00; E21B33/06; E21B33/064; E21B34/02; E21B34/04; (IPC1-7): E21B29/00
Foreign References:
| US4215749A | 1980-08-05 | |||
| US5894771A | 1999-04-20 |
Other References:
See also references of EP 1456501A4
Download PDF: