1. Smart Pressure Adjusting Device (Patent Application Number: CN 201721788384.3)
Hydraulic fracturing is widely used in oil and gas well production stimulation. A large amount of chemical-mixed water is injected into the shale layer for hydraulic fracturing to release natural gas. During the process of hydraulic fracturing, the packer will seal the upper and lower formations and then the chemical-mixed water is injected to pressurize. This Smart Pressure Adjusting Advice is used to control the water injection velocity and record the pressure change over time.