Invention Grant
- Patent Title: Top-down fracturing system
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Application No.: US15224345Application Date: 2016-07-29
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Publication No.: US10731445B2Publication Date: 2020-08-04
- Inventor: Neil H. Akkerman , John A. Barton
- Applicant: Neil H. Akkerman , John A. Barton
- Applicant Address: US TX Houston
- Assignee: ABD Technologies LLC
- Current Assignee: ABD Technologies LLC
- Current Assignee Address: US TX Houston
- Agency: Conley Rose, P.C.
- Main IPC: E21B43/12
- IPC: E21B43/12 ; E21B43/119 ; E21B29/00 ; E21B23/00 ; E21B23/04 ; E21B34/06 ; E21B34/10 ; E21B17/22 ; E21B47/024 ; E21B43/14 ; E21B43/26 ; B23B1/00 ; E21B43/116 ; E21B34/00 ; E21B33/134 ; E21B33/12 ; E21B17/20

Abstract:
A valve for use in a wellbore includes a housing including a housing port, a slidable closure member disposed in a bore of the housing and including a closure member port, and a seal disposed in the housing, wherein the closure member includes a first position in the housing where fluid communication is provided between the closure member port and the housing port, and a second position axially spaced from the first position where fluid communication between the closure member port and the housing port is restricted, wherein, in response to sealing of the bore of the housing by an obturating member sealingly engaging the seal, the closure member is configured to actuate from the first position to the second position.
Public/Granted literature
- US20170030168A1 TOP-DOWN FRACTURING SYSTEM Public/Granted day:2017-02-02
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