Invention Grant
- Patent Title: Surface controlled reversible coiled tubing valve assembly
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Application No.: US16133371Application Date: 2018-09-17
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Publication No.: US10697252B2Publication Date: 2020-06-30
- Inventor: Rex Burgos , Victor M. Bolze , Wassim Kharrat , Rod Shampine
- Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Cathy Hewitt
- Main IPC: E21B34/06
- IPC: E21B34/06 ; E21B47/135 ; E21B17/20 ; E21B47/12 ; E21B23/12 ; E21B34/00

Abstract:
A valve assembly for reversibly governing fluid flow through coiled tubing equipment. Valves of the assembly may be directed by a telemetric line running from an oilfield surface. In this manner, valve adjustment and/or reversibility need not require removal of the assembly from the well in order to attain manual accessibility. Similarly, operation of the valves is not reliant on any particular flow rate or other application limiting means. As such, multiple fluid treatments at a variety of different downhole locations may take place with a reduced number of trips into the well and without compromise to flow rate parameters of the treatments.
Public/Granted literature
- US20190017333A1 SURFACE CONTROLLED REVERSIBLE COILED TUBING VALVE ASSEMBLY Public/Granted day:2019-01-17
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