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Artificial Lift Techbook 2016

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ARTIFICIAL LIFT TECHBOOK: TECHNOLOGY | May 2016 | 29 "At the meat of it, we're very sincere about devel- oping a working relationship with our customers," he said. "Optimization is going to work best when you develop a strong customer affliation and you team up to produce their assets. If you don't work together, you're not going to achieve the results desired, and that in essence is driven by the nature of an unconventional well. It takes a true team effort and vendor-customer partnership to not just succeed with unconventional wells but to deliver a thriving solution." Halliburton has responded to the evolving times with LIFTRight, a design of service pro- cess that harnesses the customer relationship while employing proprietary tools, processes and updated methodologies to elevate ESP applica- tions. LIFTRight incorporates four key elements: design, service execution, monitoring and opti- mization, and review. Linking these elements is a multidisciplined team that works in step with the customer to expedite utilization of the immense amounts of data that already are available along with technologies that already have been intro- duced or will be available in the near future. LIFTRight is designed to help maintain fscal practicality by providing the lowest cost product. Baker Hughes has created a production mon- itoring and optimization platform called AMBIT solutions with ESPs in mind. According to Tommy Denney, product line manager for the company's Production Decision Services, ESPs don't inher- ently present challenges, but their applications do. Reliability improvements over the past 20 years have made them the system of choice in more com- plex environments such as high-temperature condi- tions, subsea wells and unconventionals. "To extend the runlife of the ESP, increase fuid production and minimize deferred production and downtime, advanced automation, surveillance and continuous optimization of the ESP is recom- mended," Denney said. AMBIT ESP monitoring services come as a tiered offering, where the base level system allows users to visualize all of their ESP data in an intuitive web interface, receive alarms, trend data and subscribe to reports. The AMBIT plus ESP optimization system adds qualified experts who monitor pump performance and provide recommendations. The top tier, AMBIT 24/7 production surveillance service, is a full-time service in which experts proactively respond to any issues with the ESP and control the pump to ensure that issues are resolved before they become critical. The systems include a controller, either switch- board or VSD; a downhole gauge; a communica- tions modem; a data center to process and store the data; and an interface that allows users to set and receive alarms, trend the VSD and downhole sensor parameters, record memos, develop custom reports, control the ESP remotely (optional) and track key performance indicators. It also comes with a fully functional application available on Apple or Android devices. Again, the key is to allow the ESP to dynam- ically respond to downhole situations to avoid shutdowns and overheating and to improve pro- duction. "Real-time modeling and diagnostic algo- rithms are used to better understand ESP behavior and recommend possible actions," Denney said. "It's highly recommended that an experienced ESP engineer is employed to review the VSD settings regularly and make the proper changes to prevent a premature failure." He added that the AMBIT platform also can be used for progressing cavity pumps (PCPs) and surface pumping systems and in the future will be available for gas lift, rod lift and plunger lift systems. Schlumberger's ESP automation solutions can be set to meet the client's production strat- egy, Mathiravedu said. "This could be a controlled drawdown; sustained operation to cope with unsteady fow via feedback controls on motor cur- rent or bottomhole fowing pressure; or severe, unsteady multiphase fow and gas slugging," he said. "In addition, local support for Schlumberg- er's pumping unit, PCP and ESP divisions provides extremely reliable control systems and high-tier remote monitoring to allow technical and opera- tion experts to see real-time data and history trends wherever needed. This enables proactive optimiza- tion to improve production and avoid shutdowns when possible."

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