Invention Grant
- Patent Title: Utilization of heavy oil fly ash to produce controlled low strength material for backfilling applications
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Application No.: US16815805Application Date: 2020-03-11
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Publication No.: US11434168B2Publication Date: 2022-09-06
- Inventor: Zakariya Saleh Al-Helal , Carlos Ernesto Acero , Salah Al-Dulaijan , Muhammad Kalimur Rahman , Mohammed Ibrahim
- Applicant: Saudi Arabian Oil Company
- Applicant Address: SA Dhahran
- Assignee: Saudi Arabian Oil Company
- Current Assignee: Saudi Arabian Oil Company
- Current Assignee Address: SA Dhahran
- Agency: Bracewell LLP
- Agent Constance G. Rhebergen; Linda L. Morgan
- Main IPC: C04B28/04
- IPC: C04B28/04
Abstract:
A controlled low strength material has constituents that include a cement, an aggregate, a heavy oil fly ash, and a water. The controlled low strength material has a compressive strength in a range of 300 kPa to 2.1 MPa. In certain embodiments, the heavy oil fly ash can be part of a heavy oil fly ash slurry.
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