treating produced water Articles

  • Creating a diversion - creating a bypass to treat produced water

    ProblemAn oil company needed to repair its water treatment equipment without curtailing oil production. SolutionCETCO Oilfield Services created a bypass that allowed the oil company to continue operations during repairs. Here’s what we did: Identified an accessible section of piping upstream of the equipment to be repaired. Made 4 hot-tap ...


    By CETCO Energy Services

  • Toxicity assessment of oil field produced water treated by evaporative processes to produce water to irrigation

    During the productive life of an oil well, a high quantity of produced water is extracted together with the oil, and it may achieve up to 99% in the end of the well's economical life. Desalination is one of mankind's earliest forms of saline water treatment, and nowadays, it is still a common process used throughout the world. A single-effect mechanical vapor compression (MVC) process was tested. ...


    By IWA Publishing

  • Produced Water Case Study

    Challenge Managing the increasing volumes of produced water associated with oil & gas production as well as sourcing water for operations is becoming more challenging for E&P companies. Handling oily wastewaters with high and variable contents of O&G and TSS requires complex and costly treatment trains with conventional technologies. To evaluate akvoFloat ’s ...


    By akvola Technologies

  • Shell - produced water treatment

    Client: Shell Auk CETCO Oilfield Services mobilised an 18” diameter twin vessel CrudeSep® test skid and a RFV 3000 adsorption skid comprising of dual sock filter pods and two vessels holding adsorption media canisters. The CETCO equipment was tied in downstream of the existing WEMCO and hydrocylones and successfully treated produced water at a variety of rates. Samples were taken from a variety ...


    By CETCO Energy Services

  • Test & treat - treating hydrostatic test water

    A pipeline company in Iowa conducted a hydrostatic test of its pipeline, producing 39,000 barrels of fluid for treatment. The hydrostatic test water was to be discharged in accordance with a National Pollutant Discharge Elimination System (NPDES) permit. The permit required that discharge of the treated test water could not exceed a period of 14 days from the date the test was conducted. Fluid ...


    By CETCO Energy Services

  • Transformational adaptation – when climate change means business as usual is no longer possible

    1. A lesson from the past Deep in the central Sahara, a crumbling mud-brick town sits at the edge of a dry lake bed. This is the medieval town of Germa, in southwestern Libya, one of a string of settlements along the Wadi al-Ajal, a valley defined by the towering dunes of the Ubari Sand Sea to the north, and the black cliffs of the Messak Settafet plateau to the south. Germa is romantic ...


    By Garama 3C Ltd

  • Water treatment technology for produced water

    Large amounts of produced water are generated during oil and gas production. Produced water, as it is known in the oil industry, is briny fluid trapped in the rock of oil reservoirs. The objective of this study was to test produced waters from a Montana USA oilfield using a mobile station to design a plant to cost efficiently treat the produced water for agricultural irrigation. We used combined ...


    By IWA Publishing

  • What Is Zero Liquid Discharge and How Does It Work?

    Not every industrial facility that produces wastewater will require zero liquid discharge (ZLD). It is usually looked to as a last resort because it can be a complex process that requires a high initial investment. If a facility is located on a site that has severe water scarcity issues and/or astronomical discharge fees, it might be ...


    By SAMCO Technologies, Inc.

  • In vivo genotoxicity of treated water containing the cylindrospermopsin-producer Cylindrospermopsis raciborskii

    Cylindrospermopsin (CYN) is an alkaloid commonly produced by some cyanobacteria that has been implicated in outbreaks of human illness. The aim of this study was to investigate the genotoxicity of Cylindrospermopsis raciborskii cellular content (including CYN) and its byproducts resulting from chlorination during water treatment. DNA damage in blood and liver cells was analysed by the comet ...


    By IWA Publishing

  • Treating Industrial Water with Membrane Technology

    A variety of industries are finding that it makes sense to reevaluate the way they treat industrial process water, both to improve the quality of their products and increase the efficiency of their processes. Purification systems utilizing crossflow membrane filtration, such as reverse osmosis (RO), nanofiltration (NF) or ultrafiltration (UF) can be a good alternative to traditional filtration ...


  • A pilot study of a subsurface-flow constructed wetland treating membrane concentrate produced from reclaimed water

    A pilot study was conducted for 7 months for the City of Oxnard, California, on the use of constructed wetlands to treat concentrate produced by microfiltration and reverse osmosis (RO) of reclaimed wastewater. The treatment performance of a transportable subsurface-flow wetland was investigated by monitoring various forms of nitrogen, orthophosphate, oxygen demand, organic carbon, and selenium. ...


    By IWA Publishing

  • BP Petrojarl Foinhaven - produced water treatment

    Client: BP/PGS Petrojarl Foinaven - UK CETCO were approached by BP/PGS regarding potential fluids handling problems on the Petrojarl Foinaven FPSO when bringing on two new wells during September 2001. CETCO mobilised a RFV 4000 DF Adsorption Skid containing CETCO’s patented CrudeSorb® media to treat the oily water phase of the well returns for discharge directly overboard. During a two week ...


    By CETCO Energy Services

  • Tofu Producer Wastewater Treatment

    Industrial Wastewater Treatment Success Stories Tofu Producer Waste Water Treatment Astounding Results of Tofu Producer Jar Test A sample of Tofu ...


    By Integrated Engineers Inc.

  • Oil field Produce Water Treatment Case Study

    Produce Water Treatment Oil Drilling Produce Water Treatment Produce Water Produce water is generated from the oil field production of natural gas and ...


    By Integrated Engineers Inc.

  • Minnesota makeover - treating hydrostatic test water

    A pipeline company in Minnesota conducted a hydrostatic test of its pipeline, producing approximately 320,000 barrels of fluid for treatment. Fluid was pumped from the pipeline into three storage tanks located at the pipeline’s tank farm. Fluid was then pumped from the storage tanks directly to CETCO Oilfield Services onsite equipment. On average, CETCO Oilfield Services treated the fluid at a ...


    By CETCO Energy Services

  • Talisman - produced water treatment to <30 ppm

    Client: Talisman Buchan Alpha - UK Following successful trial work, CETCO supplied a single 48” CrudeSep® vessel skid to treat produced water for discharge overboard. Talisman then purchased a second 48” CrudeSep vessel skid to further reduce its overboard oil in water discharges in line with regulations. CETCO’s CrudeSep system treated approximately 12,000 bbls/d of produced water on the Buchan ...


    By CETCO Energy Services

  • Cities are finally treating water as a resource, not a nuisance

    From Houston to Melbourne, the surprising ways urban areas are dealing with water woes Memorial Day barbecues and parades were thwarted this year in Houston when a massive storm dumped more than 10 inches of rain in two days, creating a Waterworld of flooded freeways, cars, houses and businesses, leaving several people dead and hundreds in need of rescue. ...


    By Ensia

  • Oil Field Production Wastewater Produce Water Treatment

    Produce Water Treatment Oil Drilling Produce Water Treatment Produce Water Produce water is generated from the oil field production of natural gas and ...


    By Integrated Engineers Inc.

  • Oil Field Produce Waste Water Treatment

    Oily Waste Produce Water Treatment Oil Field Produce Waste Water Treatment Testing Produce Water Oil Field Production The oil industry has been ...


    By Integrated Engineers Inc.

  • RO Feedwater: Treat It Right

    Summary Crossflow membrane filtration systems, such as reverse osmosis (RO), nanofiltration (NF) or ultrafiltration (UF), are good alternatives to traditional filtration and chemical treatment. However, to get the best performance from them, careful attention must be paid to feedwater conditions. Pretreating feedwater can lengthen the life of membrane elements, improve the quality of the ...

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