Title:
浮遊球体を使用して海中ライザにおける静水圧を減少させる方法および装置
Document Type and Number:
Japanese Patent JP3983765
Kind Code:
B2
Abstract:
A pumping system for injecting buoyant spheres into an oil or gas well having a feeder containing a plurality of buoyant spheres; and a sphere pump in proximity to the feeder, having first and second rotatable wheels, wherein the first wheel has a plurality of notches and the second wheel has a corresponding plurality of notches, such that during rotation of the wheels the first and second wheel notches temporarily combine to form a plurality of pockets, wherein each pocket receives then ejects one of the plurality of buoyant spheres from the feeder during rotation of the first and second wheels.
Inventors:
Boyadiff George
Application Number:
JP2004539749A
Publication Date:
September 26, 2007
Filing Date:
September 27, 2002
Export Citation:
Assignee:
Verco Eye/Pie Incorporated
International Classes:
E21B21/01; E21B21/00; E21B21/08; E21B43/12
Foreign References:
| US20020011338 | ||||
| US6293340 | ||||
| US2705462 |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato