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. 03, 2017
Filed:
Aug. 04, 2016
China University of Petroleum, Qingdao, CN;
Zhaomin Li, Qingdao, CN;
Qichao Lv, Qingdao, CN;
Binfei Li, Qingdao, CN;
Binglin Li, Qingdao, CN;
Songyan Li, Qingdao, CN;
Teng Lu, Qingdao, CN;
Qian Sun, Qingdao, CN;
Yajie Xu, Qingdao, CN;
CHINA UNIVERSITY OF PETROLEUM, Qingdao, CN;
Abstract
A novel inorganic fine particle reinforced foam system for an oil-gas field and preparation method thereof. The reinforced foam system comprises a gas phase and a liquid phase; the gas phase is nitrogen, carbon dioxide or the air; the liquid phase is prepared from, by mass: 0.2-0.8 wt % of a foaming agent, 0.5-2.0 wt % of novel inorganic fine particles and balance of water; the novel inorganic fine particles are fine particulate matter with diameters being smaller than or equal to 2.5 microns captured and screened from the atmosphere.