Title:
LANDING MEMBER FOR WIPER APPARATUS AND A SYSTEM THEREFORE
Document Type and Number:
WIPO Patent Application WO/2016/130017
Kind Code:
A8
Abstract:
The present invention concerns a landing system for a wiper apparatus (5) which is adapted for floating on a liquid surface of the drilling mud in the drill string (7) or hanging from a landing seat (9) located in a landing sub (8) by the use of a landing member (1). According to the invention, the landing seat (9) has an inner diameter (ID) which is similar to or greater than the ID of the drill string (7), and wherein the landing member (1) comprises a number of fingers (2) which are arranged to explode and follow the ID of the drill string (7) by the use of biasing members (4) which press the fingers outwards towards the ID of the drill string (7), the fingers (2) of the landing member (1) being adapted to sit on the landing seat (9).
Inventors:
BOTNMARK KETIL (NO)
MIKALSEN KJELL (NO)
MIKALSEN KJELL (NO)
Application Number:
PCT/NO2016/050019
Publication Date:
October 13, 2016
Filing Date:
February 09, 2016
Export Citation:
Assignee:
2K TOOLS AS (NO)
International Classes:
E21B23/02; E21B23/01; B08B9/04; E21B37/02
Attorney, Agent or Firm:
ZACCO NORWAY AS (0125 Oslo, NO)
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