Abstract
ABSTRACT The first part of this paper is a reminder of the principle and the design of the Progressing Cavity Pump. It recalls the Moineau principle on which the pump works, describes the various parameters which define the pump and determine its performances. It shows the configuration used for oil production and indicates the range of practical performance that can be expected. The second part describes the results of three years of operations in Europe. It states the practical characteristics and advantages of the Progressing Cavity Pump as they have been observed and sometimes suggested by various users. The third part deals with two recently developed pump models which broaden significantly the area of operation of the Progressing Cavity Pump: – The first one is a large capacity pump for high productivity and/or high water cut wells. – The second one is a high pressure pump for the production of high viscosity crude. The presentation of the high pressure pump includes a discussion of the effects of high viscosity on the pump operation and of the solutions offered to optimize this operation.
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