Title:
IN-SITU SURFACE CONTROLLED SUB-SURFACE SAFETY VALVES CONTROL LINE RECTIFICATION DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2020/085915
Kind Code:
A1
Abstract:
An in-situ surface controlled sub-surface safety valves control line rectification device (1) and method, comprising; a rectification line feeder (10), a longitudinal first rectification line (20), wherein the rectification line feeder (10) is arranged to feed the first rectification line (20) longitudinally into the hydraulic line (50).
Inventors:
HJERTHOLM PÅL (NO)
Application Number:
PCT/NO2019/050225
Publication Date:
April 30, 2020
Filing Date:
October 22, 2019
Export Citation:
Assignee:
WELLMEND AS (NO)
International Classes:
E21B33/04; E21B33/068; E21B34/10; E21B37/00
Domestic Patent References:
| WO2004076797A2 | 2004-09-10 | |||
| WO2006133350A2 | 2006-12-14 |
Foreign References:
| CN108643858A | 2018-10-12 | |||
| GB2311546A | 1997-10-01 | |||
| US4705107A | 1987-11-10 | |||
| US20030094419A1 | 2003-05-22 | |||
| US20090205832A1 | 2009-08-20 | |||
| US20090205831A1 | 2009-08-20 | |||
| US20090050333A1 | 2009-02-26 | |||
| US20150008059A1 | 2015-01-08 |
Attorney, Agent or Firm:
LIGL IP CONSULT AS (NO)
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