Title:
ISOLATION PACKER DEVICE OF NOVEL SEALING STRUCTURE FOR HEAVY OIL THERMAL RECOVERY WELL
Document Type and Number:
WIPO Patent Application WO/2024/007462
Kind Code:
A1
Abstract:
An isolation packer device of a sealing structure for a heavy oil thermal recovery well, comprising an enlarged bottom plate (7), an oil pipe bracket (5), and an oil-gas well casing pipe (9). The oil pipe bracket is engaged at the top of the enlarged bottom plate, the oil-gas well casing pipe is mounted at the bottom of the enlarged bottom plate by means of bolts, a sealing ring (10) is sleeved in the oil-gas well casing pipe, and a limiting sleeve (2) is welded to the top of the oil pipe bracket. The isolation packer device has an obvious anti-leakage effect, can erect an oil pipe, is convenient to mount and dismount, and is suitable for being widely popularized and used.
Inventors:
CHEN SHUREN (CN)
CHEN FURONG (CN)
CHEN FURONG (CN)
Application Number:
PCT/CN2022/123150
Publication Date:
January 11, 2024
Filing Date:
September 30, 2022
Export Citation:
Assignee:
HAOXINGYU TIANJIN TECH DEVELOPMENT CO LTD (CN)
International Classes:
E21B34/02; E21B33/04
Foreign References:
| CN201554410U | 2010-08-18 | |||
| CN207568543U | 2018-07-03 | |||
| CN213980743U | 2021-08-17 | |||
| CN105735933A | 2016-07-06 | |||
| CN1505728A | 2004-06-16 | |||
| US20140216716A1 | 2014-08-07 |
Attorney, Agent or Firm:
BEI JING FORESTSONG PATENT AGENCY CO., LTD. (CN)
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