Patent · US Active

Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings

US11345844B2 · kind B2 · utility

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4Claims

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Inventors

Xiaowei Cheng · Chengdu, CN
Gaoyin Zhang · Chengdu, CN
Shunxiang Luo · Chengdu, CN
Zuwei Chen · Chengdu, CN
Sheng-Po Huang · Chengdu, CN
Kaiqiang Liu · Chengdu, CN
Chunmei Zhang · Chengdu, CN
Kaiyuan Mei · 红钢城街道, CN
Jian Liu · Qingdao, CN
Zaoyuan Li · Chengdu, CN
Xiaoyang Guo · Chengdu, CN

Key dates

Filing date	May 29, 2020
Grant date	May 31, 2022
Priority date	—
Expiry date	Dec 19, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings is provided. The high-temperature suspension stabilizer is reasonable in principle, inexpensive and easily available in raw materials, high in product uniformity and good in chemical stability. Meanwhile, waste is changed into wealth. Therefore, the high-temperature suspension stabilizer is environment-friendly and has a broad industrial application prospect.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.