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Sand Jet Systems

In addition to dissolved components and dispersed hydrocarbons, produced water often contains a mixture of solids. These originate primarily from the reservoir rock but may include sand, clay, mineral scale and, possibly, proppant.

The bulk of the produced solids will accumulate in the primary gravity oil-gas separator vessel, from which they must be removed periodically to avoid reduction of the separator residence time, and reduced separation efficiency. Eventually, the solids can accumulate to considerable depths, and increased carry-over into the downstream processes will be observed. This problem is also associated with slug catchers and free water knock-out drums.

Advantages of Sand Jet systems:

  • Online operation
  • Cost effective
  • Low water requirement.

Application of Sand Jet systems:

  • Mainly horizontal separators (vertical separators also possible).

Case Studies

BritSats Revamp (UK)

The Britannia gas / condensate field development is one of the largest and most significant in the UK; with first production achieved on 3rd August 1998. The Britannia Field is a gas condensate reservoir which lies approximately 210km northeast of Aberdeen and the platform is located in UKCS Block 16/26.

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