Invention Grant
- Patent Title: Hydrostatic setting tool
- Patent Title (中): 静液压固定工具
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Application No.: US13405758Application Date: 2012-02-27
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Publication No.: US09121240B2Publication Date: 2015-09-01
- Inventor: Donald R. Greenlee , Donald Jonathan Greenlee
- Applicant: Donald R. Greenlee , Donald Jonathan Greenlee
- Agent James E. Walton; Brian E. Harris
- Main IPC: E21B23/01
- IPC: E21B23/01 ; E21B23/00 ; E21B23/06 ; E21B23/08

Abstract:
A setting tool for use inside a well bore casing having an upper portion, a lower portion, and a wrap spring. The upper portion includes a mandrel coupled to a connecting line. The upper portion is configured to receive an input. The lower portion includes a first sleeve configured translate along an axis of the setting tool. The lower portion is selectively coupled to the upper portion. The wrap spring has a torsional preload and is coupled to the upper portion and the lower portion. The wrap spring is configured to selectively release the lower portion and upon reception of the input, such that the first sleeve is permitted to translate along the axis.
Public/Granted literature
- US20130220638A1 Hydrostatic Setting Tool Public/Granted day:2013-08-29
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