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صفحه اصلی
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دومین کنفرانس ملی فناوری های نوین در انرژی و مواد
Problem of Lost Circulation Associated with Bitumen Influx in Jambur Field
نویسندگان :
Alaa Khallel Dakhil (, Islamic Azad University, South Tehran Branch) , Ahmad Adib (, Islamic Azad University, South Tehran Branch)
کلمات کلیدی :
Lost Circulation،Bitumen Influx،Jambur Field،drill pipe sticking
چکیده :
The Jambur field is an important producing field for its light weight, but drilling in this field had been accompanied with a lot of problems and challenges. The most important of these problems are: lost circulation, bitumen influx, drill pipe sticking, washouts, and drill string cut-off. These problems led to extra time and cost to drill wells in this field. This research introduces a preliminary vision of faults, fractures, and their effects on formations thicknesses, inclinations, formation tops, and their contained pressures. Jambur field is famous of its various faults. These faults usually form connections and channels that help reservoir bitumen to migrate into other formations, which makes predicting their location by geologist more difficult. Also these faults will make the formations weaker. Thus, formations will not be able to resist the high mud weight of drilling fluid leading to a lost circulation situation. This research concentrates on Lost circulation and bitumen influx in this field.
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