7.ESP MEH-032016 - Electric Electric submersible...

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1 Electric submersible pump Electric submersible pump
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2 Introduction The great majority of the worlds oil wells need some kind of artificial lifting to produce their liquid to the surface . The types of artificial lift methods used in Libya are: gas lift sucker rod pumps and electric submersible pump ESP is considered as an effective and economical means of lifting large volumes of fluids from great depth .
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3 Electric power source Transformer Switch Board Junction( vent ) Box Wellhead assembly Power Source Surface Equipment Surface Equipment Surface Equipment Surface Equipment Transformer Switchboard Junction ( vent) Box Wellhead Surface Cable 35 feet minimum 15 feet minimum
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4 The transformer is used to change the power voltage from high voltage to low voltage or the opposite by using the step- up or step-down transformer. The generator is used to provide the correct power to a proper motor operation and the primary volt should be about 380 volt . Transformer
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5 The main function of control switch board is to: 1. protect submersible motor from overload & under load. 2. operate the submersible motor by Auto & Man. 3. To indicate the optimum operating current by ammeter chart. Switchboard
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6 The main functions of the vent box are:- 1. connect the surface cable from the switch board to well head power cable.
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