HOISTING AND TRANSPORTATION DEVICE Russian patent published in 1999 - IPC

FIELD: oil, gas production industry and geological prospecting activities. SUBSTANCE: device is intended for emergency operations in liquidation of open gas and oil gushers. Device operates on head of gusher well. It has pulling mechanism, carriage, self-contained hydraulic station with control desk, tackle mechanism, and selection of replaceable mounted equipment. Additionally, device is provided with hydraulic sand-blasting units for cutting metal structures and pipes, unit for creation of water curtain and blowing with steam of equipment in winter period, mechanism for installing counterblowout equipment. Used as passages for delivering water and steam are load-bearing pipes of boom structure. Delivery of working fluid to hydraulic operating mechanisms, and technological liquid to hydraulic sand-blasting unit for cutting metal is effected through additional pipelines. Tackle mechanism is additionally provided with hydraulic winch for lowering and lifting of boom when there is no winch in pulling mechanism. Mechanism for installing counterblowout equipment is provided with facility for vertical lifting of equipment at fixed position of boom. Aforesaid embodiment of device widens its functional potentialities and improves reliability in operation. EFFECT: higher efficiency. 2 dwg