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2021/22 Taught Postgraduate Module Catalogue

CAPE5630M Flow Assurance and Oilfield Chemistry

15 creditsClass Size: 30

Module manager: Dr D Harbottle
Email: d.harbottle@leeds.ac.uk

Taught: Semester 1 (Sep to Jan) View Timetable

Year running 2021/22

This module is not approved as an Elective

Objectives

On completion of this module, students should:
- Have gained a systematic understanding of the concepts of oilfield chemistry and flow assurance;
- Have a broad understanding of the main type of deposits likely to hinder flow of hydrocarbons and the thermodynamic forces driving their depositions;
- Have gained a critical awareness of the parameters and properties in the most common flow assurance challenges: asphaltenes, paraffin, natural gas hydrate, mineral scale, naphthenate;
- Be familiar with the main methods and new approaches to prevent, control, and remediate the major problem causes to assure the flow;
- Be able to provide comparative analysis on the technologies available and the advantages and disadvantages of each;
- Have gained an understanding of testing strategies employed to determine minimum inhibitor concentration to prevent deposits formation;
- Have acquired an understanding of kinetic models predicting the deposition rates;
- Be familiar with basic economic aspects of common flow assurance challenges;
- Have developed their research capability in selected topics.

Learning outcomes
On successful completion of the module, students should be able to:
- Identify the major oilfield chemistry issues and mechanisms of flow impediment along with the technologies that can be deployed for prevention, control, and mitigation of deposits;
- Interpret PVT analysis and use fluid sampling and laboratory testing of (production) fluids to evaluate the risk of flow assurance challenges;
- Identify and implement a robust screening to select the optimum inhibitors level to prevent deposition;
- Assess and select the most appropriate mitigation and remediation techniques available for common deposits including: asphaltene, paraffin, natural gas hydrate, mineral scale, and naphthenate;
- Understand the thermodynamic and kinetic models for (in-) organic deposition and fouling;
- Identify the components of a complete flow assurance study and understand how they relate to the production system design and operation including completion equipment and flowlines;
- Apply competently the fundamental principles of multiphase flow and production chemistry to analyse typical flow assurance systems.


Syllabus

- Introduction to well chemistry, flow assurance and their relevance for oil and gas transportation systems
- Flow phenomena and phase behaviour in pipeline
- Fluid sampling and well completion design for chemical injection
- Asphaltene
- Paraffin wax
- Natural gas hydrate
- Inorganic scale
- Naphthenate

Teaching methods

Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for information

Delivery typeNumberLength hoursStudent hours
Class tests, exams and assessment12.002.00
Lecture112.0022.00
Tutorial111.0011.00
Private study hours115.00
Total Contact hours35.00
Total hours (100hr per 10 credits)150.00

Private study

- Directed reading of recommended text books/scientific papers. Students will have the opportunity to use OnePetro, the SPE online library, as part of their private study and independent learning.
- Compilation and submission of coursework.
- Revision for written examination.

Opportunities for Formative Feedback

Monitoring of student progress will be ensured via formative MCQs.

Methods of assessment

Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for information


Coursework
Assessment typeNotes% of formal assessment
ProjectCase Study30.00
In-course AssessmentTest20.00
Total percentage (Assessment Coursework)50.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated


Exams
Exam typeExam duration% of formal assessment
Online Time-Limited assessment2 hr 50.00
Total percentage (Assessment Exams)50.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated

Reading list

The reading list is available from the Library website

Last updated: 14/09/2021

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