Title:
EMULSIFIER COMPOSITION, DRILLING FLUID, AND APPLICATION
Document Type and Number:
WIPO Patent Application WO/2024/099365
Kind Code:
A1
Abstract:
Disclosed are an emulsifier composition, a drilling fluid, and an application. The emulsifier composition comprises: active ingredients and a solvent, wherein the active ingredients comprise: bis-aliphatic imidazoline amide, N-hydroxyethylated aliphatic imidazoline, and maleated fatty acid, and the solvent comprises oil and/or alcohol ether. The emulsifier composition and oil-based/synthetic-based drilling fluid provided by the present invention have a temperature resistance which can reach 220℃, a density reaching 2.4-2.8 g/cm3, a brine pollution resistance capable of reaching 50% or more, and good drilling fluid rheological properties and plugging performance.
Inventors:
ZHANG XIANBIN (CN)
ZHANG JIAN (CN)
YANG ZHONGFENG (CN)
ZHAO YING (CN)
WANG QIAN (CN)
WEI JINRAN (CN)
LIU XIN (CN)
CHEN ANLIANG (CN)
CHEN LEIXU (CN)
SONG XUEWEN (CN)
WANG HONGFANG (CN)
ZHOU TAO (CN)
WANG LI (CN)
ZHANG JIAN (CN)
YANG ZHONGFENG (CN)
ZHAO YING (CN)
WANG QIAN (CN)
WEI JINRAN (CN)
LIU XIN (CN)
CHEN ANLIANG (CN)
CHEN LEIXU (CN)
SONG XUEWEN (CN)
WANG HONGFANG (CN)
ZHOU TAO (CN)
WANG LI (CN)
Application Number:
PCT/CN2023/130496
Publication Date:
May 16, 2024
Filing Date:
November 08, 2023
Export Citation:
Assignee:
CHINA NAT PETROLEUM CORP (CN)
CNPC BOHAI DRILLING ENG COMPANY LIMITITED (CN)
CNPC BOHAI DRILLING ENG COMPANY LIMITITED (CN)
International Classes:
C09K8/035
Domestic Patent References:
| WO2021047588A1 | 2021-03-18 |
Foreign References:
| CN101723899A | 2010-06-09 | |||
| CN109652030A | 2019-04-19 | |||
| CN109097010A | 2018-12-28 | |||
| US20070051033A1 | 2007-03-08 | |||
| CN102603640A | 2012-07-25 | |||
| US4544756A | 1985-10-01 | |||
| CN112321511A | 2021-02-05 | |||
| CN102093296A | 2011-06-15 | |||
| CN104388062A | 2015-03-04 | |||
| CN106566496A | 2017-04-19 | |||
| CN108048052A | 2018-05-18 | |||
| CN109797047A | 2019-05-24 | |||
| CN113604062A | 2021-11-05 | |||
| CN114716983A | 2022-07-08 | |||
| US20070167333A1 | 2007-07-19 |
Other References:
JIN-CHENG FENG: "The Synergism of Anionic Surfactant and 2-Undecyl-N-Carboxymethyl N-Hydroxyethly Lmidazoline", CHINA SURFACTANT DETERGENT ＆ COSMETICS, no. 1, 1 January 2001 (2001-01-01), pages 9 - 10, XP093169806, ISSN: 2097-2806, DOI: 10.13218/j.cnki.csdc.2001.01.003
Attorney, Agent or Firm:
RUNPING & PARTNERS (CN)
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