annular mudduct riser space flowmeter and mudduct riser

摘要

ANNULAR SPACE FLOWAMETER OF MUD CONDUCT RISER AND MUD CONDUCT RISER. A mud duct riser annular space flowmeter includes a liner configured to be attached to a riser to cover a hole; a cover configured to be secured to the riser to cover the liner so that a cavity is formed by the liner and the cover; a sensor rod configured to be attached to the liner and to extend into the cavity, the sensor rod having a hole; a magnet assembly configured to be fixedly attached to the sensor rod; and a waveguide tube attached to the cover. The sensor rod bore is configured to receive the waveguide tube.