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:
Oct. 06, 2015
Filed:
Dec. 10, 2010
Bailin Pei, Beijing, CN;
Jianchang Wu, Beijing, CN;
Bailin Pei, Beijing, CN;
Jianchang Wu, Beijing, CN;
Anton Bailin Oilfield Technologies (Beijing) Co., Ltd., Beijing, CN;
Abstract
An oil-gas well structure and a segmental flow-control method for a flow-control filter string () used in the oil-gas well. The segmental flow-control method for the flow-control filter string () comprises the following steps: 1) establishing a channel (-); 2) running the flow-control filter string (); 3) filling with the anti-channeling flow pack-off particles (); 4) sealing; 5) disconnecting a run-in string connected to the flow-control filter string (). The segment flow control of the flow-control filter string () is achieved by using a pack-off effect of the anti-channeling flow pack-off particles ().