Staff View: Developing novel wellbore heat transfer strategies for HPHT wells

Developing novel wellbore heat transfer strategies for HPHT wells

Oil and Gas production from HTHP reservoirs involves significant heat exchange between the wellbore fluid and its surroundings. During production, the hot fluid loses heat to the cold surroundings, continuously as it moves up the borehole. The heat transfer process impacts well-integrity and, in tur...

Full description

Main Authors:	Shoushtari , M.A., Al-Kayiem, Hussain H., Irwan, S., Mohd Saaid, I.B.
Format:	Article
Institution:	Universiti Teknologi Petronas
Record Id / ISBN-0:	utp-eprints.8915 /
Published:	SPE 2012
Subjects:	QC Physics TA Engineering (General). Civil engineering (General)
Online Access:	http://eprints.utp.edu.my/8915/1/SPE-154768-MS-P%5B1%5D.pdf http://www.spe.org/index.php http://eprints.utp.edu.my/8915/
Tags:	Add Tag No Tags, Be the first to tag this record!

id	utp-eprints.8915
recordtype	eprints
spelling	utp-eprints.89152017-03-20T02:21:29Z Developing novel wellbore heat transfer strategies for HPHT wells Shoushtari , M.A. Al-Kayiem, Hussain H. Irwan, S. Mohd Saaid, I.B. QC Physics TA Engineering (General). Civil engineering (General) Oil and Gas production from HTHP reservoirs involves significant heat exchange between the wellbore fluid and its surroundings. During production, the hot fluid loses heat to the cold surroundings, continuously as it moves up the borehole. The heat transfer process impacts well-integrity and, in turn, the ability of the well to perform its required function effectively and efficiently with regard to safety and environmental factors. One often overlooked heat transfer effect is the increase in annulus pressure resulting from annular fluid thermal expansion, which can result in tubing collapse or casing burst. Damage due to high annular pressure can also dramatically affect well-integrity. During the design phase of a HPHT well, it is necessary to avoid risks and uncertainties and accurately plan the life cycle. The present work aims to investigate the nature, and predict the natural convection heat transfer coefficient in the annulus. The approach to model the natural convection heat transfer in this work is by analytical and numerical techniques. The annular space between the tubing and the casing was treated as a finite space bounded by walls and filled with fluid media (enclosures). Correlations for vertical enclosures were employed in the study. The flow field was modeled and simulated for numerical analysis, using ANSYS-FLUENT - 12 software package. Some boundary parameters have been defined by the user and fed to the software. The predicted values of Nusselt numbers from both analytical and numerical approaches were compared with those of previous experimental investigations. The results of the present work can be used for preliminary design calculations of HPHT wells to estimate rate of heat transfer from HPHT wells. This work provides a novel baseline assessment for temperature related well-integrity problems in HPHT wells. Copyright 2012, Society of Petroleum Engineers. SPE 2012 Article PeerReviewed application/pdf http://eprints.utp.edu.my/8915/1/SPE-154768-MS-P%5B1%5D.pdf http://www.spe.org/index.php Shoushtari , M.A. and Al-Kayiem, Hussain H. and Irwan, S. and Mohd Saaid, I.B. (2012) Developing novel wellbore heat transfer strategies for HPHT wells. Society of Petroleum Engineers - SPE . ISSN ISBN: 978-162276049-7 http://eprints.utp.edu.my/8915/
institution	Universiti Teknologi Petronas
collection	UTP Institutional Repository
topic	QC Physics TA Engineering (General). Civil engineering (General)
spellingShingle	QC Physics TA Engineering (General). Civil engineering (General) Shoushtari , M.A. Al-Kayiem, Hussain H. Irwan, S. Mohd Saaid, I.B. Developing novel wellbore heat transfer strategies for HPHT wells
description	Oil and Gas production from HTHP reservoirs involves significant heat exchange between the wellbore fluid and its surroundings. During production, the hot fluid loses heat to the cold surroundings, continuously as it moves up the borehole. The heat transfer process impacts well-integrity and, in turn, the ability of the well to perform its required function effectively and efficiently with regard to safety and environmental factors. One often overlooked heat transfer effect is the increase in annulus pressure resulting from annular fluid thermal expansion, which can result in tubing collapse or casing burst. Damage due to high annular pressure can also dramatically affect well-integrity. During the design phase of a HPHT well, it is necessary to avoid risks and uncertainties and accurately plan the life cycle. The present work aims to investigate the nature, and predict the natural convection heat transfer coefficient in the annulus. The approach to model the natural convection heat transfer in this work is by analytical and numerical techniques. The annular space between the tubing and the casing was treated as a finite space bounded by walls and filled with fluid media (enclosures). Correlations for vertical enclosures were employed in the study. The flow field was modeled and simulated for numerical analysis, using ANSYS-FLUENT - 12 software package. Some boundary parameters have been defined by the user and fed to the software. The predicted values of Nusselt numbers from both analytical and numerical approaches were compared with those of previous experimental investigations. The results of the present work can be used for preliminary design calculations of HPHT wells to estimate rate of heat transfer from HPHT wells. This work provides a novel baseline assessment for temperature related well-integrity problems in HPHT wells. Copyright 2012, Society of Petroleum Engineers.
format	Article
author	Shoushtari , M.A. Al-Kayiem, Hussain H. Irwan, S. Mohd Saaid, I.B.
author_sort	Shoushtari , M.A.
title	Developing novel wellbore heat transfer strategies for HPHT wells
title_short	Developing novel wellbore heat transfer strategies for HPHT wells
title_full	Developing novel wellbore heat transfer strategies for HPHT wells
title_fullStr	Developing novel wellbore heat transfer strategies for HPHT wells
title_full_unstemmed	Developing novel wellbore heat transfer strategies for HPHT wells
title_sort	developing novel wellbore heat transfer strategies for hpht wells
publisher	SPE
publishDate	2012
url	http://eprints.utp.edu.my/8915/1/SPE-154768-MS-P%5B1%5D.pdf http://www.spe.org/index.php http://eprints.utp.edu.my/8915/
_version_	1741196120709660672
score	11.62408

Developing novel wellbore heat transfer strategies for HPHT wells

Similar Items