Applications

Water Injection

Primary production refers to oil that is recovered naturally from a producing well, Enhanced Oil Recovery (EOR) increases the amount of oil recovered by using water injection (waterflood). Used onshore and offshore, injection wells are drilled into a reservoir and water injected at high pressure, thereby increasing reservoir pressure which moves the oil.

Injection wells are drilled into a reservoir and water injected at high pressure

The water used for this process is usually brine but can also be produced water from the well. Filtration is often necessary to ensure that no materials clog the well pores and needs to be treated to reduce any bacteria growth

Primary production usually only recovers 30-35% of the oil. Water injection can recover 5-50% of the oil remaining in the reservoir, greatly enhancing the productivity and economics of the development. This form of EOR is typically more productive when there are relatively small amounts of primary production.

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Benefits

  • Stimulates production
  • Can make a marginal development viable
  • Pumphead & wetted materials manufactured in specialist alloy stainless steel to cope with high H2S content
  • Pumps generally in accordance with API 674
  • HPS5000 is 5 cylinder so output is very smooth, improved further by using pulsation dampers
  • Unit can be packaged packaged for extreme temperature use (-20°C to +50°C)
  • Same pumps can be used for pipeline flushing, decommissioning, cleaning & hydrostatic pressure testing