Patent · US Active

Self-healing durable cement

US10655044B2 · kind B2 · utility

1Cited by

6References

9Claims

0Family size

Assignee

SAUDI ARABIAN OIL COMPANY · SA

Inventors

Abdullah Al-Yami · Dhahran, SA
Vikrant Wagle · Dhahran, SA
Hussain AlBahrani · Ank, SA
Zainab Alsaihati · Saihat, SA
Antonio Santagati · Dhahran, SA
Mohammad Al-Alqam · Dhahran, SA
Ali Alsafran · Dhahran, SA
Abdulaziz Alhelal · Hofuf, SA
Nasser AlHareth · Ras Tanura, SA
Abdullah Al-Awadh · Dammam, SA

Key dates

Filing date	Apr 27, 2018
Grant date	May 19, 2020
Priority date	—
Expiry date	Apr 27, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/14
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A cement slurry includes from 1% to 90% BWOC of a cement precursor material based on the total weight of the cement slurry; and from 1% to 40% BWOC of a swelling additive based on the total weight of the cement slurry. The swelling additive includes at least one micronized rubber, at least one distillate, and at least one solvent-refined heavy paraffinic.

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