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Perforating
Perforating is a process used to establish a flow path between the near reservoir and…
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How Does Well Completion Work?
Once a well has been drilled, the decision must be made: Will this well become…
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Types of packers
Retrievable tension packer The tension packer (Fig. 1) is typically used in medium- to shallow-depth…
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Packers
The packer (more accurately described as the 'upper completion production packer') is a key piece…
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Christmas Tree or Wellhead?
In the complicated but vital industry of drawing oil and gas out of the earth…
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Wellhead
A wellhead is an equipment installed at the surface of a completed oil or a…
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NATURAL FLOW PERFORMANCE
The most important parameters that are used to evaluate performance or behavior of petroleum fluids…
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Areal or Pattern Sweep Efficiency (E)
Areal sweep efficiency of an oil recovery process depends primarily on two factors: the flooding…
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FLUID MOVEMENT IN WATERFLOODED RESERVOIRS
Many of the principles discussed in this section also apply to immiscible gas injection, primary…
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Material Balance Equations in Oil or Combination Reservoirs
When discovered, a reservoir may contain oil, gas, and water that can be intermingled or…