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Separator Jetting – Cyclonic Jetting Cluster Layout and Control System (B-FSM-126)

The cyclonic jetting units are assembled into clusters to for standardization of installation and control during operation.

Cluster Design

  • Maximum of four-unit heads per cluster
  • Cluster has 2” inlet and outlet piping for vessel penetration
  • Penetration can be from bottom, side, or top
  • Header piping (internal) of stainless steel
  • Example of in-line and square cluster shown in header graphic

Control System

  • Reference graphic below for descriptions
  • Operate one vessel zone at a time (spray jet + discharge). A zone is defined as one cluster (in-line or square).
  • Flow control valve (FCV) to set to control vortex spray
  • Set outlet (slurry) discharge at same flow rate with FCV
  • Density meter (DM) determines when to shut zone isolation valve (recommended when concentration <5 vol.%)
  • Cyclonic jetting heads are quite predictable and normally complete cycle in 5-7 minutes
  • Critical to automate system for effective performance

Next week I will compare traditional jetting versus cyclonic jetting.

References:

  1. Rawlins, C.H., “Design of a Cyclonic Solids Jetting Device and Slurry Transport System for Production Systems”, paper 166118, presented at the SPE Annual Technical Conference and Exhibition, New Orleans, LA, 30 September – 2 October, 2013. https://doi.org/10.2118/166118-MS
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