Title:
LIQUID LIGHTENING AGENT, PREPARATION THEREOF, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/016329
Kind Code:
A1
Abstract:
The present application discloses a liquid lightening agent, a preparation thereof, and an application thereof. The liquid lightening agent comprises water, hollow microspheres, and a high molecular polymer, the weight ratio of the water, the hollow microspheres, and the high molecular polymer being (40-60):(26-56):(0.5-2). The lightening agent provided by the present application can reduce density, and is also a lightening material that can be added in liquid form. The liquefied addition of a lightening material is achieved, thereby implementing the flexible preparation of a low-density cement slurry, and providing convenience for the preparation of the low-density cement slurry on site. In addition, the lightening agent provided by the present application can be stored stably for a long time.
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Inventors:
MA CHUNXU (CN)
FANG ENLOU (CN)
SONG WEIKAI (CN)
XIAO WEI (CN)
WANG WEI (CN)
TIAN YE (CN)
HOU YAWEI (CN)
FU JUNFANG (CN)
WANG XUECHUN (CN)
MA XIAOKANG (CN)
FANG ENLOU (CN)
SONG WEIKAI (CN)
XIAO WEI (CN)
WANG WEI (CN)
TIAN YE (CN)
HOU YAWEI (CN)
FU JUNFANG (CN)
WANG XUECHUN (CN)
MA XIAOKANG (CN)
Application Number:
PCT/CN2022/110216
Publication Date:
February 16, 2023
Filing Date:
August 04, 2022
Export Citation:
Assignee:
CHINA OILFIELD SERVICES LTD (CN)
International Classes:
C09K8/473; C04B14/02; C04B20/02; C04B20/10; C04B24/38; C04B28/00
Foreign References:
| CN113621355A | 2021-11-09 | |||
| US20180355236A1 | 2018-12-13 | |||
| AU2016428908A1 | 2019-03-07 | |||
| US20050241538A1 | 2005-11-03 | |||
| CN211499249U | 2020-09-15 | |||
| US20030101911A1 | 2003-06-05 | |||
| CN110846008A | 2020-02-28 | |||
| CN109679456A | 2019-04-26 | |||
| US6626991B1 | 2003-09-30 | |||
| CN103666407A | 2014-03-26 | |||
| CN102002263A | 2011-04-06 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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