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Technical Evening – Challenges in Handling Increased Water Production in Matured Gas Condensate Facilities
November 15, 2016 @ 4:00 pm - 6:00 pmFree
Challenges in Handling Increased Water Production in Matured Gas Condensate Facilities By Wally Georgie From Maxoil Solutions
It is often the case when developing gas condensate fields, the facilities to separate and treat produced water are not fully considered in the design. This is due to the fact that most gas condensate fields will not produce formation water until later on in the production life; condensed water will be produced throughout the production life but is at low ratio in relation to the gas production rate. In subsea production systems where hydrate control is required continuously, most of the condensed water is handled together with the recovery and regeneration of the hydrate inhibitor such as MEG. In some cases, LDHI or methanol is used instead and can provide additional challenges with the Produced Water treatment.
If the necessary produced water separation and treatment system is not fully developed in the initial design of the process, handling the water can be very challenging due to lack of suitable treatment facilities as well as the difficulties in treating it in conventional PW handling facilities. Produced water treatment requirements in gas condensate facilities is different from produced water in crude oil systems. The produced water treatment should take into account the configuration and design of the separation train of the system as it will have a major impact on the selection of the downstream facilities.
Differences in produced water can include low salinity, tight/secondary emulsions, small condensate droplets, chemical used, high pressure drop, low temperatures etc. Due to these challenges common technologies may not be effective in handling PW in gas condensate systems.
This presentation will address the different handling issues and the optimum approach in treating the produced water in gas condensate production facilities.
Wally has worked for over 37 years in different areas of oil and gas production facilities, including corrosion control, flow assurance, fluid separation, separator design, gas handling and produced water both onshore and offshore. He started his career in oil and gas services sector in 1978 based in the UK and working globally with different production issues then joined Statoil as senior staff engineer and later as technical advisor in the Norwegian sector of the North Sea till 1999. Working as part of operation team on oil and gas production facilities key focus areas included optimization, operation trouble-shooting, de-bottlenecking, oil water separation, slug handling, process verification, internal corrosion control, chemical management and flow assurance and myriad other fluid and gas handling issues. He then started working in March 1999 as a consultant globally both offshore and onshore in conventional and unconventional oil and gas operation matters