Natural gas hydrate reverse circulation drilling multiphase flow transportation simulation experiment device

• Main Authors: CHEN BAOYI, SUN SIYUAN, BO KUN, YIN QILEI, ZHENG ZHICHUAN, CAO PINLU
• Format: Patent
• Language: Chinese; English
• Published: 15.12.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

A natural gas hydrate reverse circulation drilling multiphase flow transportation simulation experiment device comprises a liquid supply device, a gas supply device, a reverse circulation transportation device, a multiphase flow observation device and a circulation device, and the liquid supply device comprises a water tank, a heater, a water pump, a throttle valve and a turbine flowmeter; the gassupply device comprises an air compressor, a programmable controller, a vortex shedding flowmeter and a gas-liquid mixer; the reverse circulation simulation device comprises a power machine, a feeding hopper, a spiral feeder, a reverse circulation experiment table and a reverse circulation shaft; the multiphase flow observation device comprises a computer, a temperature sensor, a resistance probe, a differential pressure transmission, a pressure sensor, a negative pressure sensor, a visual window and a camera; the circulating device comprises a mixed discharging pipe, a filtering type solid-liquid separator, a rock d