Invention Grant
- Patent Title: Subsurface wiping plug apparatus, method, and system
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Application No.: US15031569Application Date: 2014-12-23
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Publication No.: US09909382B2Publication Date: 2018-03-06
- Inventor: Daniel Lee Schmidt , Gary Joe Makowiecki , Patrick Lyle Cherney
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: Chamberlain Hrdlicka
- International Application: PCT/US2014/072171 WO 20141223
- International Announcement: WO2016/105388 WO 20160630
- Main IPC: E21B33/12
- IPC: E21B33/12 ; E21B33/126 ; E21B33/14 ; E21B34/06 ; E21B34/00

Abstract:
In some embodiments, a subsurface wiping plug apparatus includes an internal bore that extends for less than a length of the apparatus. A ported case encloses internal components of the apparatus such that each port of the case is configured to couple the internal bore to an external side of the case. A plug capsule is coupled to an end of the ported case. The plug capsule contains an internal wiping plug that is releasable by internal pressure.
Public/Granted literature
- US20160340999A1 SUBSURFACE WIPING PLUG APPARATUS, METHOD, AND SYSTEM Public/Granted day:2016-11-24
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