Invention Grant
- Patent Title: Sub-surface safety valve flapper sleeve
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Application No.: US15727000Application Date: 2017-10-06
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Publication No.: US10794143B2Publication Date: 2020-10-06
- Inventor: Michael Hair
- Applicant: Michael Hair
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES, A GE COMPANY, LLC
- Current Assignee: BAKER HUGHES, A GE COMPANY, LLC
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B34/06
- IPC: E21B34/06 ; F16K1/12 ; F16K1/18

Abstract:
A flapper valve system including a valve body having a valve seat, and a flapper base connected to the valve body. The flapper base supports a flapper selectively positionable on the valve seat. A flapper sleeve includes a first end arranged adjacent the flapper base, a second end, and an intermediate portion having an opening receptive of the flapper. The first end includes a flow tube travel limiter.
Public/Granted literature
- US20190107205A1 SUB-SURFACE SAFETY VALVE FLAPPER SLEEVE Public/Granted day:2019-04-11
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