Recycling hydrocarbon hydraulic stimulation fluid

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

Reexamination Certificate

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C166S267000, C166S308400, C210S712000, C210S724000, C210S737000, C210S799000, C507S922000

Reexamination Certificate

active

07575690

ABSTRACT:
Hydrocarbon stimulation fluids are often used to increase the permeability and productivity of oil and gas reservoirs. The fluid itself is made up of a mixture of hydrocarbons and various chemicals designed to induce gel formation and gel breaking. The successful removal of these chemicals from the fluid has been achieved, through a process of acid-washing and filtration. This will allow the fluid to be re-used many times for further fracturing processes.

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