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Horizontal Drilling and Completion: Denmark (SPE 18349)


Of 41 producing wells in the Dan Field, 25% of the total production comes from three multi-fractured horizontal wells.  Subsequent SPE papers 25058, 26796 describe the optimization of propped fracturing in the chalk formations of the North Sea.


The application of horizontal drilling technique to improve production performance from elected tight chalk reservoirs in the Danish sector of the North Sea has shown to be technically feasible and economically viable.

Maersk Oil and Gas has drilled and completed three horizontal wells with horizontal drainhole sections ranging from 1000 feet to 3000 feet and with displacement of some 9000 feet from the wellhead platform slot.

This paper discusses the essential early planning aspects leading to evaluation and solution of preferred options. It includes modifications to the approach adopted as experience is gained and a generalised overview of problems, solutions and costs.

Author(s): S.A. Andersen, S.A. Hansen, K. Fjeldgaard, Maersk Oil & Gas A/S

Paper Number: SPE 18349

URL: https://www.onepetro.org/conference-paper/SPE-18349-MS


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