Gliding through extended laterals with water-based fluids

摘要

New high-performance water-based drilling fluid system is a cost-effective option for shale wells with high-angle build and long lateral sections. Invert-emulsion drilling fluid, more commonly referred to as oil-based mud (OBM), is the fluid of choice for drilling extended-lateral wells in the shale plays of North America. The perception is that these wells require a highly inhibitive fluid that could minimize interactions between the fluid and water-sensitive formations such as shale while ensuring high ROP, good lubricity and low potential for stuck pipe.