DL Presentation "Production Optimisation of Conventional and Unconventional Wells with ESP Real Time

When:  Jan 14, 2020 from 5:00 PM to 6:00 PM (CET)
Associated with  Vienna Basin Section
Optimising production has always been important, but thereis naturally a greater focus on high rate wells, such as those produced with ESPs. A key driver is arresting decline while minimising infill drilling, which is often achieved by identifying wells with skin to idetify stimulation candidates and increasing drawdown on wells with good pressure support. With unconventionals, accelerating production while minimising power consumption become dominant goals. This presentation explains how real-time gauge data enables high-frequency, high-resolution downhole flow rate measurements on ESP wells. Thereby providing both rate and pressure, which are essential to enabling inflow characterisation and thereby identifying optimisation opportunities without the need for traditional buildups, which cause production deferment. 
Fortunately, technology advantages have improved real time data quality in terms of both sampling frequency and metrology. There has also been a reduction in the cost of measurement, transmission and storage, which signals the true dawn of the digital age. The presentation therefore also reviews how real time data enables increases in well uptime and ESP run life as well as minimising power consumption. Using material from recent SPE papers, both theoretical methodology and real case stufies are presentedto illustrate the value of real time data for both conventional vertical wells and unconventional multifractured horizontal wells. While the case studies are based on ESP applications, the lessons learnt on how to extract value from real-time data can be applied to other artificial lift techniques, especially since inflow characterisation is generic.


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