Title:
クランク付きロッドポンプ装置および方法
Document Type and Number:
Japanese Patent JP5399402
Kind Code:
B2
Abstract:
An improved method is provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. The actuator arrangement may include pneumatic counterbalancing.
Inventors:
Thomas El Beck
Ronald Gee Peterson
Michael Ey McDonald's
The Michael Dee dry cleaning
Ronald Gee Peterson
Michael Ey McDonald's
The Michael Dee dry cleaning
Application Number:
JP2010530082A
Publication Date:
January 29, 2014
Filing Date:
October 15, 2008
Export Citation:
Assignee:
ユニコ, incorporated Unico, Inc.
International Classes:
F04B9/04; F03G6/00; F04B17/00; F04B17/04; H02K7/116; H02K7/14
Attorney, Agent or Firm:
Teiji Miyagawa
Shigeo Shibata
Toshiyuki Kanai
Miyoko Kaneko
Shigeo Shibata
Toshiyuki Kanai
Miyoko Kaneko