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Directional Drilling and Well Flow Engineering PET505

The first main part of the course has focus on drilling and well technology. This part gives an overall introduction to the different phases of the lifecycle of a well with special focus on how a well is constructed. In addition, a more in depth study of how different well profiles are obtained by use of directional drilling is given. Here, one will address both application areas, directional drilling concepts, equipment, use of measurements for positioning and perform calculations.

The other main part of the course deals with multiphase flow of liquids, gas and particles in wells and pipelines. This has applications for both the drilling and production phase of wells.

Course description for study year 2021-2022

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Learning outcome

Have insight into the different phases of a wells lifecycle including drilling, completion, production, intervention and plug and abandonment.

Have knowledge about directional drilling including application areas, directional drilling concepts, different coordinate systems, directional drilling equipment, necessary measurements for positioning and uncertainty in wellbore positioning.

Be able to perform calculations for directional wells which address simple two dimensional well profiles, use of mud motor for changing position, calculation of vertical section and methods for calculating well position based on survey measurements.

Be able to perform hydraulic calculations both for single phase and multiphase flow systems related to well operations considering hole cleaning, well kicks, gas lift operations and production wells.

Be able to use digital tools like Excel and Matlab for analysis of problems and numerical simulation of processes.


The content of the directional drilling part of the course is:

Introduction to different phases of a wells life, construction of well, drilling equipment, drilling process, drilling problems, completion and associated equipment in a production well, application of directional drilling, directional drilling concepts, coordinate systems, drillstring equipment, drill bits, mud motor, rotary steerable systems, survey measurements, formation logging, geosteering, uncertainty in well positioning, calculations related to orientation of mudmotor, calculations related to simple two dimensional well profiles, methods for calculation of position including application in Excel, Monte Carlo simulation in Matlab.

The content of the flow engineering part is:

Single and multiphase flow including: rheology and fluid properties, flow patterns, fluid fractions and pressure loss calculations in vertical and horizontal wells. Important application areas are hole cleaning, gas kick, gas-lift and flow in production wells and pipelines. Matlab programs which amongst others illustrate the use of theory in a numerical simulator for multiphase wellflow.

Required prerequisite knowledge
Must meet the requirement for admission to the master programme in Petroleum Engineering
Recommended prerequisites
Fluid mechanics, ordinary and partial differential equations.
Form of assessment Weight Duration Marks Aid
Written exam 1/1 4 Hours A - F Valid calculator

Course teacher(s)
Course coordinator: Rune Wiggo Time
Head of Department: Øystein Arild
Method of work
4 hours with lectures per week distributed evenly between directional drilling and the hydrodynamics single phase and multiphase well flow.
Open for
Admission to Single Courses at the Faculty of Science and Technology Petroleum Engineering - Master of Science Degree Programme Petroleum Engineering - Master`s Degree programme in Petroleum Engineering, 5 years Exchange programme at Faculty of Science and Technology
Course assessment
Standard UiS procedure
Overlapping courses
Course Reduction (SP)
Petroleum production and multiphase flow (MPE700) 5
Well Engineering (MPE680) 5
() 10
The syllabus can be found in Leganto