... Submersible Pumping (ESP) system uses in Brazil are multistage centrifugal pumps for high rate and high boost applications inside a vessel system (caisson) powered with Pressure and Temperature gauges in each caisson, Venturi flowmeter at the discharge of the pump and a Motor POD located at the bottom...

... hydraulic stimulation operations to improve the well productivity. This operation resulted in higher than expected well inflow with increased water cut. At the time of writing this paper, the ESP system had recently failed to start due to stuck pump (possibly scale related). Due to the ability to perform...

... to better understand the geothermal ESP failures and improve ESP reliability. Testing ESPs in realistic geothermal conditions and a proper monitoring of the well-ESP system is crucial to improve the reliability of existing ESP designs and can enable the development of new geothermal ESP system designs...

... challenges to optimize the ESP system. In perspective, the digitalization initiative has been key to integrate data in order to have a big picture of the actual field condition and ultimately to enhance oil production. Various dashboards have been created using the business intelligence tool to provide real...

... temperature profile esp system complete measurement motor skin 1. Background CNOOC Petroleum North America (CPNA) operates the Long Lake field, which is located near Anzac, Alberta, Canada and utilizes Steam Assisted Gravity Drainage (SAGD) for bitumen production. In Long Lake...

... Abstract Downhole sensors gather vital data for the health of an ESP system. Not only do the sensor readings help indicate the flow pattern; they also help indicate further issues such as plugging and degradation of the ESP system. Once a system has grounded on a single phase, sensor readings...

...) for Caisson gas/liquid separator ESP systems, and component installation stackup tests for fit and interfaces were completed to validate the performance in multiphase flow and identify hardware changes needed for the completion design and the intervention procedures. The qualification program was completed...

... understood by the industry. However, with a strong focus on optimization and reliability, improvements of the power quality provided to our ESP systems has tremendous potential to enhance the ESP lifecycle. This paper will provide a detailed description of the current mitigation technique involving...

... the development and qualification of a new ultrahigh-power-density permanent magnet motor (UHPD PMM) for wireline-retrievable ESP systems installed through tubing as small as 5.5 in. The UHPD PMM design can produce significantly greater output than any other ESP technology in a single-section motor short enough...

... Abstract The paper reports on the integrated modeling approach for the Gulf of Mexico ultra-Deepwater Perdido Electrical Submersible Pump (ESP) meant for performance surveillance and operational predictions n viscous fluid and multiphase flow regimes. The ESP system uses in Perdido field...

... inefficient, with the main priority given to production gain. The paper scope is focused on how production gain and power savings were achieved. Ultra-High-Speed ESP (UHS ESP) Systems have grown in popularity in recent years due to a set of advantages, including power efficiency, wide operating range, robust...

... Abstract Electric submersible pump (ESP) systems have over many decades proven themselves as a reliable Industry leading lift system. However, there are limitations to the ESP lift system particularly with reliability and performance in high volume deep unconventional wells with steep decline...

... (DAERL) allows to construct confidence intervals for the survival of ESP system based on equipment, design information, reservoir data, and operating performance. Statistical methodology using a combination of Weibull and DAERL is developed and applied to a data set which covers all ESP systems installed...

... limitations and on the other hand, long strings and tight clearances make the current slim ESP systems more prone to failure when compared with larger diameter ESP applications. This paper discusses the development and qualification of a new type of High-speed High-rate Slim ESP system that can be installed...

... viscous oil field in Alaska is challenging. The unconsolidated nature of the West Sak sands impacts the performance and reliability of conventional ESP systems due to sand production. This challenging environment causes ESP pump erosion and accumulation of sand in the tubing above the pump...

... Abstract The effect of Variable Speed Drive (VSD) waveforms on electrical motors is generally well understood; however, typical industrial solutions fail to adequately protect specialized ESP systems, as ESP motors cannot be drive-duty rated. This paper examines VSD/ESP systems, discusses how...

... Abstract This paper presents the results of a three-year project at Salym Petroleum Development (50:50 joint venture between Shell and GazPromNeft), aimed at mass field implementation of innovative Ultra-High-Speed (UHS) ESP Systems, with over 200 installs having been done. The project...

... to system shutdown. Multiple shutdowns and frequent Gas Locking negatively affect the runlife and profitability of ESP systems. However, the impact of gas accumulation in ESP applications can be mitigated by implementing intelligent frequency control software included in Variable Speed Drives (VSD's...

... sections. One of the studied technologies was the Ultra-High Speed ESP System, which is utilizing a Permanent Magnet Motor with rotational speeds between 1,000 and 12,000 rpm. Due to its high nameplate operating speed of 10,000 rpm, the system is significantly shorter in length (2-3 times less compared...

...., are, explained. Secondly, evaluation of relevant ESP systems, to facilitate mitigation of these challenges, with an aim to enhance production, at reduced operating costs, is elucidated. Study is based on actual field data. Subsequently, broad details of significant ESP technology pilots, which are implemented...