GE announced a new water-treatment technology for the upstream oil and gas market at the GE Oil & Gas Annual Meeting, which began in Florence, Italy Monday.
GE said that its new seawater sulfate removal (SWSR) nanofiltration membrane eliminates almost all sulfate from injection water in offshore oil production.
The new SWSR membrane is an advancement of GE's DK series nanofiltration membrane and provides a high transmission of sodium chloride into the permeate water to minimize operating pressures. It offers a physical barrier for any suspended particles including bacteria, pyrogens and colloids. Additionally, the new membrane will help prevent strontium and barium sulfate scale in injection wells and will better mitigate well souring by reduced sulfate.
Commenting in a company statement, Erik Hanson – senior product manager, engineered systems, water and process technologies for GE Power & Water – said:
"We put 30 years of experience in nanofiltration membrane manufacturing to use in creating our latest innovation for the upstream oil and gas industry. On oil rigs, oil producers use injection water to flood the field and force oil to the producing wells, but if the water is of a poor quality it causes scale and corrosion that plugs and sours the field. GE's new seawater sulfate removal membranes provide excellent sulfate removal and have superior fouling resistance."
GE added that the SWSR membrane can also be used in conjunction with GE's reverse osmosis membranes in order to provide water for low salinity flooding, polymer flooding and other forms of enhanced oil recovery.
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