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.

Date of Patent:
Nov. 06, 2018

Filed:

Aug. 04, 2017
Applicants:

China University of Geosciences (Beijing), Beijing, CN;

China University of Petroleum(east China), Qingdao, Shandong, CN;

Inventors:

Qing You, Beijing, CN;

Caili Dai, Qingdao, CN;

Yan Zhang, Beijing, CN;

Mingwei Zhao, Qingdao, CN;

Yining Wu, Qingdao, CN;

Guang Zhao, Qingdao, CN;

Yongpeng Sun, Qingdao, CN;

Huan Wang, Beijing, CN;

Yifei Liu, Qingdao, CN;

Jichao Fang, Qingdao, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C07D 207/325 (2006.01); C09K 8/86 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C07D 207/325 (2013.01); C09K 8/86 (2013.01);
Abstract

The present invention relates to the field of oilfield chemistry, and discloses a composition for fracturing and displacement and a method for fracturing and displacement of a tight oil reservoir. The composition contains a pyrrolic compound represented by formula (1) and a laurate; in the formula (1), Mis halide ion, Ris C1-C5 linear or branched alkyl, and Ris C15-C20 linear or branched alkyl. The composition for fracturing and displacement provided in the present invention has functions of fracturing, solid carrying, imbibition, drainage and oil displacement, so as to maximize the recovery efficiency of tight oil, and attain economic and social benefits by implementing multiple functions with a single composition, saving resources, and reducing cost.


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