FIELD METHOD OF ASSESSING BOREHOLE FRICTION FOR DIRECTIONAL WELL CASING.

Document Type

Conference Proceeding

Publication Date

1-1-1987

Abstract

This paper presents a method to evaluate an overall friction coefficient between borehole and casing. The computation is done by matching hook load data, recorded in the field, with the calculated hook load obtained by assuming a friction factor coefficient. The equations for predicting surface hook loads are derived from the respective governing differential equations. The iterative nature of the calculations are handled by a computer program. One case history from a rig offshore Louisiana State, confirmed the possibility of evaluating this friction coefficient, while also describing the equipment and necessary care used to record the data.

Publication Source (Journal or Book title)

Society of Petroleum Engineers of AIME, (Paper) SPE

First Page

85

Last Page

96

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