OFFSHORE DRILLING PLATFORM Russian patent published in 2003 - IPC

FIELD: water-development works, equipment to master continental shelf. SUBSTANCE: offshore drilling platform carries derrick and technological equipment which includes system of pneumatic transport to store and transport powdery materials. Platform also has chamber feeders and unloaders, is fitted with system for cleaning of waste air in the form of pipe-line with cyclone, with control and monitoring system with transmitters installed on chamber feeders. System controlling and monitoring system of pneumatic transport is remote-operated system. System for cleaning waste air is double stage system, is equipped with fine cleaning filter placed in pipe-line downstream of cyclone. Chamber feeders and unloaders are provided with transmitters controlling amount of output material. Chamber feeders and unloaders can be located in different rooms on platform. Their transmitters can come in the form of level gauges and weight-measuring devices. EFFECT: raised adaptability to drilling operations, reliability and improved working conditions on offshore drilling platform thanks to possibility of control over process of transportation of materials and over amount of material output from unloaders. 2 cl, 3 dwg