The method of exploitation of well by pumping unit with variable-frequency drive comprises periodic repetition of the cycles including pumpdown, search for frequency when delivery stops and accumulation and at the same time to ensure such extraction of fluid from well which is equal to its inflow...
The Equipment for and Economics of Variable-Flow Well Pumping The application of static variable-frequency drives to provide power to deep-well submersible-pumps in oil-field applications is addressed. Introductory di... DN Alcock - 《Industry Applications IEEE Transactions on》 被引量: 6发表: 198...
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Digitally enabled well stimulation integrates surface and subsurface operations to reduce operating costs and drive stimulation performance to new levels. This is a modal window. This video is either unavailable or not supported in this browser Error Code: MEDIA_ERR_SRC_NOT_SUPPORTED Session ID: 2025...
;SUBSTANCE: invention relates to the field of hydraulic volumetric displacement machines, namely to the spring drive of a deep well pump. The drive contains an engine 14, a rod 1 movably mounted in guides 2, spring motors 3 mounted symmetrically on both sides of the rod 1 and connected to...
专利名称：HYDRAULIC OIL WELL PUMP DRIVE SYSTEM 发明人：STANLEY, Lloyd 申请号：CA1993000085 申请日：19930301 公开号：WO93/018306P1 公开日：19930916 专利内容由知识产权出版社提供 摘要：A hydraulic oil well pump drive system (100) for driving an oil well sucker rod (not shown) includes a master ...
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Cabinet variable frequency driveVacon 100 series direct mountingwall-mountedfor compressors Add to favorites Compare this product Characteristics Mounting cabinet, direct mounting, wall-mounted Applications for compressors, for machines, for conveyor, for induction motors, for pump, for industrial applications...
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A hydraulic oil well pump drive system for driving an oil well sucker rod includes a master piston (358) positioned within a master cylinder (356) for axial displacement between first and second ends of the master cylinder. The master piston has a piston drive rod which extends through one ...