- Drilling Fluids Techniques of High Angle, Extended Reach Well in Zhuangxi Area.
- Drag/torque prediction is a key technique of drilling an Extended Reach Well successfully.
- Some new logging problems have appeared because horizontal, extended reach and sidetrack wells have been widely drilled in recent years.
- The paper points out the casing running technique is greatly important to full exploitation of extended reach well (ERW).
- To reduce the application of oil based drilling fluids in extended reach wells,water based drilling fluids was developed for Liuhua Oilfield.
- The extended reach well has such chara cteristics as large horizontal displacement,great deviation angle and long open hole interval.
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