|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||E21B-033/035 E21B-041/04 E21B-019/00 E21B-047/10|
|미국특허분류(USC)||166/336; 168/338; 168/368; 168/250.01; 405/190|
|§371/§102 date||20121212 (20121212)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 16|
A tool for subsea installation and testing of wellhead modules such as Xmas trees and similar equipment, from a ship using a ship crane. The tool includes a subsea unit that includes a connector for releasable connection to subsea wellhead modules or equipment, means for positioning and means for testing, and a connector for electric power and electric and/or optical control.
1. A tool for subsea installation and testing of wellhead Xmas trees and similar equipment, from a ship using a ship crane, the tool comprising: a subsea unit comprising a connector for releasable connection to the Xmas tree;thrusters integrated in the tool for positioning of the connected Xmas tree on a wellhead for installation;accumulators for water evacuation and cylinders for pressure and valve function testing of the Xmas tree for testing and commissioning; anda connector for at least one of electric power and electric and optical control. 2. The t...