Complexity of Extended Reach Drilling in Relation to Running Completion on Bm Field in Offshore Northwest Java
Year: 2016
Proceedings Title : Proc. Indon. Petrol. Assoc., 40th Ann. Conv., 2016
The future oil and gas reserves in PHE Offhore North West Java’s Field comes from exploiting step out reservoirs from existing platform. In order to access hydrocarbon targets distant from the platform and overcome the natural decline rate, Extended Reach Drilling (ERD) technique has been applied in PHE ONWJ’s fields. This technique reduces capital expenditure in mature offshore fields by utilizing existing platform and production facilities. Several ERD wells were drilled in ONWJ with displacement to vertical depth ration between 2.0 to above 2.5 and open hole interval more than 6,000 ft.
One significant drilling challenge in ERD well type is running the completion directly to the bottom with insufficient string weight which can lead to buckling phenomena.
An attempt has been made to overcome this problem by running lower and upper completions. Several parameters, i.e. DLS (Dog Leg Severity), completion fluid type and friction factor must be considered in Torque and Drag Simulation to ensure completion installation is as smooth as possible and correct completion accessories are selected.
The objective of this paper is to discuss the complexity of ERD wells in relation with running completion from BM Field.
Keywords: ERD well, Lower and Upper Completion
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