- Patent Title: Dual sub-surface release plug with bypass for small diameter liners
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Application No.: US16848037Application Date: 2020-04-14
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Publication No.: US11293253B2Publication Date: 2022-04-05
- Inventor: Handoko Tirto Santoso , Lonnie Carl Helms , Tor Sigve Saetre , Frank Vinicia Acosta , Thomas Zachary Vonk , Rajesh Parameshwaraiah
- 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: Baker Botts L.L.P.
- Agent John Wustenberg
- Main IPC: E21B33/12
- IPC: E21B33/12 ; E21B33/124 ; E21B33/14 ; E21B33/129

Abstract:
A dual plug system comprises a bottom plug and a top plug. The bottom plug comprises, a bottom plug mandrel, a plurality of first fins, and a first seat. The plurality of first fins is disposed between a first end and a second end of the bottom plug mandrel, and the first seat is disposed at the second end The top plug comprises a first end and a second end. The top plug further comprises a top plug mandrel, a plurality of second fins, a collar, and a sleeve. The plurality of second fins is disposed around the top plug mandrel covering at least a portion of the length of the top plug mandrel, and the collar is coupled to the top plug mandrel The dual plug system further comprises a connector, wherein the connector is coupled to the first end of the top plug.
Public/Granted literature
- US20210317721A1 DUAL SUB-SURFACE RELEASE PLUG WITH BYPASS FOR SMALL DIAMETER LINERS Public/Granted day:2021-10-14
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