Oil&Gas

• Номер работы:
  145472
• Раздел:
  Все работы   →   Рефераты и реферативные задания   →   Английский язык
• Год подготовки:
  27.02.2010
• Объем работы:
  9 стр.
• Содержание:
  1. GUBKIN’S THEORY ABOUT OIL ORIGIN 3
  2. TYPES OF OIL DEPOSITS ACCORDING TO I.O.BROD 3
  3. COMMON METHODS OF OIL PRODUCTION 4
  4. RUSSIA’S OIL EXPORT 5
  5. EUROPE’S DEPENDENCY ON RUSSIAN OIL 6
  6. THE ROLE OF OIL IN THE WORLD 7
  7. OIL PRICE DYNAMICS (2005 – 2011) 8
  THE LIST OF SOURCES USED 10
  
  
• Выдержка из работы:
  Gas lift is a form of artificial lift where gas bubbles lift the oil from the well.
  The process involves injecting gas through the tubing-casing annulus. Injected gas aerates the fluid to reduce its density; the formation pressure is then able to lift the oil column and forces the fluid out of the wellbore. Gas may be injected continuously or intermittently, depending on the producing characteristics of the well and the arrangement of the gas-lift equipment.
  The amount of gas to be injected to maximize oil production varies based on well conditions and geometries.
  Although the gas is recovered from the oil at a later separation stage, the process requires energy to drive a compressor in order to raise the pressure of the gas to a level where it can be re-injected.
  The gas-lift mandrel is a device installed in the tubing string of a gas-lift well onto which or into which a gas-lift valve is fitted.