The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 2017
Filed:
Dec. 08, 2010
Bailin Pei, Beijing, CN;
Yong Xue, Beijing, CN;
Songmei Zhang, Beijing, CN;
Abstract
A method and a system for segmental flow control in an oil-gas well are disclosed. The oil-gas well includes a first annular space () and a second annular space (). The first annular space () is formed with the space between the borehole wall () of the oil-gas well and a perforated tube () which is in the oil-gas well and extends along an axial direction of the oil-gas well; The second annular space () which is formed with the space between the perforated tube () and a flow-control filter string () which is in the perforated tube () and extends along the axial direction of the oil-gas well. The method includes filling anti-channeling isolating particles () in the first annular space () and the second annular space () to enable fluid to flow in the first annular space () and the second annular space () filled with the anti-channeling isolating particles () in the manner of seepage.