Chapter
Dec 21, 2012
Open End Pipeline Pullback Method in HDD
Authors: Yaozu Kong [email protected], Baosong Ma [email protected], Yuewu Zhang [email protected], and Shaoxiong Wang [email protected]Author Affiliations
Publication: ICPTT 2012: Better Pipeline Infrastructure for a Better Life
Abstract
This paper presents an open end pipeline pullback method, in which a PE pipe is connected to the special designed pullhead inside the product pipeline. While the pipeline is being pulled in, the drilling mud in the borehole will flow into the PE pipe continuously through the openings in the pullhead. It is an innovative method that does not only solved the problem of buoyancy control of product pipeline during pullback, but also makes same other typical advantages such as borehole pressure control, more secure for pipeline and smaller pulling force. The case study indicates that the method is feasible and cost effective.
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Published In
ICPTT 2012: Better Pipeline Infrastructure for a Better Life
Pages: 1693 - 1701
Copyright
© 2013 American Society of Civil Engineers.
History
Published online: Dec 21, 2012
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Authors
Affiliations
Ph.D. Candidate, Engineering Faculty, China University of Geosciences; No. 388, Lumo Road, Wuhan 430074. E-mail: [email protected]
Professor, Director, China-U.S. Joint Center for Trenchless R&D, Engineering Faculty, China University of Geosciences; No. 388, Lumo Road, Wuhan 430074. E-mail: [email protected]
Vice Manager, HDD Crossing Branch, China Petroleum Pipeline Bureau; No. 87, Guangyang Road, Langfang 065000. E-mail: [email protected]
General Manager, Wuhan Deawon Trenchless Technology Co., Ltd.; No. 388, Lumo Road, Wuhan 430074. E-mail: [email protected]
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