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The progressing cavity pump is a recent innovation in petroleum production. It rapidly gained an important place in the production of heavy oils containing gas. It has now been confirmed as very efficient for the production of large flow rates of light and abrasive oils. Driven by rod strings from the surface, it is a simple, rugged and cheap equipment. The aim of this book is to provide clear and condensed information related to the principles, qualities and performances of this system. This book is intended to provide the choice criteria of a progressing cavity pump and the operational conditions for its implementation by technicians and field development managers.Contents: 1. Principle and general description of the progressing cavity pump. 2. PCP characteristics. 3. Selection of a PCP. 4. Presence of gas at the pump inlet. 5. Driving from surface of PCP. 6. Installation, operation and maintenance of PCP. 7. An economical completion with the insert pump. 8. The electrical submersible PCP. Bibliography. Index.
Well Production Practical Handbook
An encyclopedia of Holocaust rescuers who have been recognized by Yad Vashem as Righteous among the Nations. The entries are organized alphabetically, according to the name of the rescuer(s), giving information such as where they lived, their occupation, marital status, economic status, whether they had contacts with Jews before the war, whether they were helped by others in the act of rescue, how the Jew came to seek refuge, under what circumstances and at what stage of the war. Relates, also, to the fate of the rescuer and of the rescued.
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