Invention Grant
- Patent Title: Gas lift valve
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Application No.: US15316760Application Date: 2015-07-22
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Publication No.: US10597990B2Publication Date: 2020-03-24
- Inventor: Erling Kleppa , Ståle Pettersen
- Applicant: Petroleum Technology Company AS
- Applicant Address: NO Stavanger
- Assignee: PETROLEUM TECHNOLOGY COMPANY AS
- Current Assignee: PETROLEUM TECHNOLOGY COMPANY AS
- Current Assignee Address: NO Stavanger
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: NO20140943 20140728
- International Application: PCT/EP2015/066721 WO 20150722
- International Announcement: WO2016/016057 WO 20160204
- Main IPC: E21B43/12
- IPC: E21B43/12

Abstract:
A gas lift valve for use in a hydrocarbon well includes an elongated valve housing including an inlet port for receiving a fluid from an annulus of a hydrocarbon well, and an outlet port for delivering the fluid to a production tubing of the hydrocarbon well, and an elongated, internal valve body, which is movable along a longitudinal, central axis of the valve housing between a first end position and a second end position. In the first end position, a sealing surface of the valve body is in sealing contact with a valve seat surface of the valve housing prohibiting the fluid to flow from the inlet port to the outlet port, and in the second end position the sealing surface is separated from the valve seat surface allowing the fluid to flow from the inlet port to the outlet port. The outlet port is positioned at a terminal end of the valve housing.
Public/Granted literature
- US20180149001A1 GAS LIFT VALVE Public/Granted day:2018-05-31
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