Title:
SUBSTITUTED SUGAR OR GLYCOSIDE AND USE THEREOF IN DRILLING FLUID COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/007366
Kind Code:
A1
Abstract:
Provided are a substituted sugar or glycoside and the use thereof in a drilling fluid composition. The substituted sugar or glycoside carries a substituent A, a substituent B and a substituent C, wherein the substituent A comprises a group (I) in the structure thereof, the substituent B comprises a group (II) in the structure thereof, and the substituent C comprises a unit -NH-R7- in the structure thereof. The drilling fluid composition can show a better temperature resistance, fluid loss performance, contamination resistance, inhibition performance, lubricating performance or reservoir protection performance, and has no biological toxicity.
Inventors:
WANG ZHONGHUA (CN)
SI XIQIANG (CN)
SI XIQIANG (CN)
Application Number:
PCT/CN2019/094909
Publication Date:
January 09, 2020
Filing Date:
July 05, 2019
Export Citation:
Assignee:
SINOPEC PETROLEUM ENGINEERING TECH SERVICE CO LTD (CN)
DRILLING ENG TECH RES INST SINOPEC ZHONGYUAN PETROLEUM ENG CO LTD (CN)
SINOPEC ZHONGYUAN PETROLEUM ENG CO LTD (CN)
DRILLING ENG TECH RES INST SINOPEC ZHONGYUAN PETROLEUM ENG CO LTD (CN)
SINOPEC ZHONGYUAN PETROLEUM ENG CO LTD (CN)
International Classes:
C09K8/12; C08G65/00
Foreign References:
| CN107987808A | 2018-05-04 | |||
| CN107973827A | 2018-05-01 | |||
| CN106467562A | 2017-03-01 | |||
| CN106432377A | 2017-02-22 | |||
| CN106432375A | 2017-02-22 |
Attorney, Agent or Firm:
ANJIE LAW FIRM et al. (CN)
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