Slimhole tools offer drilling, completion options

For more than a decade, the industry has been focusing on slimhole drilling and completion techniques to increase efficiency and reduce costs. The challenge has been to engineer equipment and techniques to successfully complete the wells in the small clearances available.Slimhole tools are increasing in availability, driven by the demand for multilateral completions and for more cost-efficient workovers.Whether slimholes are drilled with rotary systems or coiled-tubing (CT) systems, the smaller bit sizes will be less expensive than those used in conventional-sized boreholes. Cutting a smaller diameter wellbore reduces drilling time and produces fewer well cuttings, lessening the cost of t...

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