公开(公告)号：US20170328161A1

公开(公告)日：2017-11-16

申请号：US15529808

申请日：2015-11-26

Applicant: STATOIL PETROLEUM AS

Inventor： Kjell Einar ELLINGSEN

IPC: E21B33/037 ,  E21B41/00

CPC classification number: E21B33/037 ,  E21B19/002 ,  E21B41/0007

Abstract: A method of lowering an apparatus (1) through a body of water comprising lowering a guiding element (25) and a weight (27) through the body of water, the lower end of the guiding (element 25) being attached to the weight (27) such that the guiding element (25) is under tension and is maintained in a generally vertical orientation when in its lowered position, and lowering the apparatus (1) through the body of water whilst being guided by the guiding element.

公开(公告)号：US20170328162A1

公开(公告)日：2017-11-16

申请号：US15531220

申请日：2015-11-26

Applicant: STATOIL PETROLEUM AS

Inventor： Kjell Einar ELLINGSEN

IPC: E21B33/037 ,  E21B41/08

CPC classification number: E21B33/037 ,  E21B41/08

Abstract: A subsea equipment-protection apparatus including: a cap (1) and a sleeve (2), wherein the cap and the sleeve are configured to be supportable by a foundation (6) of the subsea equipment (16). The cap and the sleeve are arranged such that at least a portion of the cap may enter an opening of the sleeve and be supported by the sleeve; and thereby the cap and sleeve cover and protect the subsea equipment.