FIELD: drilling equipment, particularly for deep drilling.
SUBSTANCE: drilling-and-repairing rig comprises platform, pole with block-and-tackle system mounted thereon, drawworks, bracing jacks, as well as hydraulic and mechanical mechanism drives. Platform may slide in horizontal direction along rail guiding means and has rigid structure including frame provided with rollers and driving wheels. Bracing jacks are arranged at frame corners and have built-in rail grips. Two pole supports are fixedly connected to frame. Lower pole part is pivotally connected to one support. Upper pole part is in contact with another support as it is moved in horizontal direction. Pole has crown block with supplementary maintenance units. Drawwork has high-speed and low-speed chain reducers connected thereto through chain drive members. Reducer bodies are also used as drawworks supports.
EFFECT: increased reliability and efficiency of oil and gas well maintenance reliability and efficiency, especially in special cluster conditions in water storage ponds and in foggy environment.
4 cl, 1 dwg
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