Resistivity Method of Pore Pressure Prediction…………………………………15 7 2.6 Factors Affecting Rate of Penetration.7 2.6.1Ĭhip Hole Down Effect. Also to my roommate and course mate in the department for their respective input. and Mr.’s Dennis Orogun, and to my siblings Desmond, Jane and Micheal Orogun for their support and understanding in making this project work a huge success. The author attests that permission has been obtained for the use of any copyrighted material appearing in the thesis (other than the brief excerpts requiring only proper acknowledgement in scholarly writing), and that all such use is clearly acknowledged.ĭEDICATION This project report is dedicated to my lovely family, Mr. Neither the thesis nor extensive extracts from it may be printed or otherwise reproduced without the author’s written permission. The author reserves other publication rights. Permission is herewith granted to Dalhousie University to circulate and to have copied for noncommercial purposes, at its discretion, the above title upon the request of individuals or institutions. The undersigned hereby certify that they have read and recommend to the Faculty of Graduate Studies for acceptance a thesis entitled “A CASE STUDY ON THE OPTIMIZATION OF HYDRAULIC HORSEPOWER FOR EFFICIENT BOTTOM HOLE CLEANING IN DRILLING” by Orogun Humphrey Onome in partial fulfilment of the requirements for the degree of Master of Engineering.Ī CASE STUDY ON THE OPTIMIZATION OF HYDRAULIC HORSEPOWER FOR EFFICIENT BOTTOM HOLE CLEANING IN DRILLING Submitted in Partial fulfillment of the requirements for the degree of Masters of Engineeringĭalhousie University Halifax, Nova Scotia December, 2013 © Copyright by Orogun Humphrey Onome, 2013ĭALHOUSIE UNIVERSITY PETROLEUM ENGINEERING It will be also considered case histories with comparison of calculated and field data coming from Agip ultradeep wells experience.A CASE STUDY ON THE OPTIMIZATION OF HYDRAULIC HORSEPOWER FOR EFFICIENT BOTTOM HOLE CLEANING IN DRILLING By The use of Herschel-Bulkley model and the temperature effect estimation improve the flow modelling capability during drilling fluid circulation and permits to better study and quantity the influence of hydraulic parameters, thus allowing better planning. The program calculates also the temperature profile of drilling fluid and takes into account the temperature effect on the rheological parameters, when available viscometer readings at different temperatures. The rheological models of Newton, Bingham, Power law and Herschel-Bulkley are considered. The program calculates the rheological parameters of drilling fluid based on the viscometer readings. This paper describes an innovative hydraulic computer program developed in Agip. It is very important to predict the exact pressure distribution along the well and the circulating temperature distribution in the fluid. Its proper design can accelerate the drilling effort and lower the overall well cost. The hydraulic system plays an active role during drilling operations.
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