Investigation of the Effects of Drilling Parameters on Minimum Required Fluid Flow Rate for Cuttings Transport and Hole Cleaning
Publish place: 2rd National Conference on petroleum geomechanics
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NPGC02_099
تاریخ نمایه سازی: 10 تیر 1396
Abstract:
Field experiences show that the accumulation of cuttings in a wellbore causes several drilling problems. These include an increase in torque and drag, which may limit drilling from reaching to a desired target formation. In addition, it may cause drill string sticking and poor hydraulics as well. Therefore, an efficient hole cleaning is the most important aspect of drilling operation.The critical mud flow rate for cleaning the well while drilling can be defined as the minimum annular fluid velocity, required to maintain a continuous upward movement of the cuttings, and no bed forming on the lower side of the wellbore.This paper employs a new integrated model for sensitivity analysis of various drilling parameters, such as: ROP (rate of penetration), RPM (round per minute), well inclination, hole/bite size, mud density and rheological properties of mud, on minimum required flow rate for cuttings transport and hole cleaning.
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Authors
Masoud Noei
M.Sc. Student, Shahrood University of Thechnology
Mehrdad Soleimani Monfared
Assistant Professor of Student, Shahrood University of Thechnology
Mohammad Fazelizadeh
Assistant Professor of Student, Amirkabir University of Thechnology.