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Hydraulic control assembly for actuating a hydraulically controllable downhole device and method for use of same

  • US 6,702,025 B2
  • Filed: 02/11/2002
  • Issued: 03/09/2004
  • Est. Priority Date: 02/11/2002
  • Status: Expired due to Term
First Claim
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1. A hydraulic control assembly for actuating a hydraulically controllable downhole device comprising:

  • a hydraulic fluid source located on a surface installation that supplies a low pressure hydraulic fluid;

    an umbilical assembly coupled to the hydraulic fluid source that provides a supply fluid passageway for the low pressure hydraulic fluid; and

    a subsea intensifier operably associated with a subsea wellhead and the umbilical assembly, the subsea intensifier operable to convert the low pressure hydraulic fluid into a high pressure hydraulic fluid that actuates the hydraulically controllable downhole device.

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