Optimal design of 3000m ultra-long horizontal section of a carbonate oil field in the Middle East
During the oilfield development,the recovery rate of horizontal well is very important to reduce cost and increase efficiency.With the advancement of technology,the cost-effectiveness ratio of ultra-long horizontal well is higher than that of conventional horizontal well.However,ultra-long horizontal well have high technical difficulty,complex construction technology,and high requirements for device and tool capabilities,trajectory control,friction and torque,borehole cleaning and wellbore stability,etc.Reasonable and effective technical measures need to be developed to ensure the safe and smooth implementation of ultra-long horizontal sections.In the paper,a series of analyses are carried out for the ultra-long horizontal section scheme of carbonate reservoir in the Middle East,which provides reference for the formulation of ultra-long horizontal section scheme in the future.
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