System and method for bleeding off pressure following...

Details System and method for bleeding off pressure following... System and method for bleeding off pressure following...

2008-03-04

2008-11-18

Neuder, William P (Department: 3672)

Wells

Processes

Separating material entering well

C166S311000

Reexamination Certificate

active

07451813

ABSTRACT:
A technique facilitates release of pressure from a well, and/or surface treating lines, via a bleed-off mechanism. The bleed-off mechanism is in fluid communication with a flow path extending from a wellhead valve or wellbore and designed for connection with a vacuum truck. The bleed-off mechanism can be opened to enable venting of trapped pressure from the wellbore and/or flow path. The bleed-off mechanism is also designed to contain any liquid that escapes during release of the trapped pressure. Once the pressure is relieved, the vacuum truck can be used to clean out fluid from the wellbore and/or surface treating lines without exposure to excess pressure.

REFERENCES:
patent: 6755255 (2004-06-01), Wade et al.
patent: 2008/0006304 (2008-01-01), Treherne et al.

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