Drilling of Multilateral Wells in Kuwait Aided With Geochemical Analysis

The Burgan reservoir consists of vertically stacked channel sands along with a fault network connected to the aquifer and contains highly viscous reservoir fluid.

January 31, 2015

Journal of Petroleum Technology

Fig. 1—Seismic coherence map along a horizontal section of a Burgan producer is used to locate areas of faulting. The coherent beige areas in the cross section show no faulting. All other colors (incoherent areas) show faulted areas ranging through dark blue, yellow, orange, and red colors (less faulting to more faulting, respectively).

The Burgan reservoir consists of vertically stacked channel sands along with a fault network connected to the aquifer and contains highly viscous reservoir fluid. This dramatically enhances the water mobility and results in severe premature water breakthrough, bypassing zones of oil. This paper describes the use of real-time geochemical analysis to support geosteering of a smart multilateral well located in one of the highest-potential-flow areas of Kuwait.

Introduction

The Minagish field in Kuwait was discovered in 1959 and is located in the southwestern part of the country. It contains several reservoir intervals in its stratigraphic column, varying from Early Jurassic to Late Cretaceous.

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