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steam-assisted gravity drainage

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Series: AAPG Studies in Geology
Published: 01 January 2013
DOI: 10.1306/13371596St643563
EISBN: 9781629812649
... of the chamber and is expressed by Fourier’s law: Abstract Currently, large-scale commercial in-situ recovery of bitumen from oil sands reservoirs is done by thermal gravity drainage oil sands recovery processes such as cyclic steam stimulation (CSS) and steam-assisted gravity drainage (SAGD...
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Journal Article
Journal: Geophysics
Published: 10 February 2015
Geophysics (2015) 80 (2): WA99-WA111.
...Anya Reitz; Richard Krahenbuhl; Yaoguo Li ABSTRACT There is presently an increased need to monitor production efficiency as heavy oil reservoirs become more economically viable. We present a feasibility study of monitoring steam-assisted gravity drainage (SAGD) reservoirs using time-lapse...
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Journal Article
Journal: Geophysics
Published: 07 September 2016
Geophysics (2016) 81 (6): X1-X2.
... resistivity methods to monitor the growth of steam-assisted gravity drainage steam chambers. They first simulate a simplistic case and then they apply their strategy to a more realistic geometry inspired from a case study operated by Imperial Oil. The geophysical work is based on a set of petrophysical...
Journal Article
Journal: Geophysics
Published: 13 May 2016
Geophysics (2016) 81 (4): E227-E241.
...Sarah G. R. Devriese; Douglas W. Oldenburg ABSTRACT We have investigated the use of electric and electromagnetic (EM) methods to monitor the growth of steam-assisted gravity drainage (SAGD) steam chambers. SAGD has proven to be a successful method for extracting bitumen from the Athabasca oil sands...
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Series: AAPG Studies in Geology
Published: 01 January 2013
DOI: 10.1306/13371603St643550
EISBN: 9781629812649
... Abstract On May 18, 2006, a surface steam release incident occurred at the Total E&P Canada Ltd. (referred to here as “Total”) Joslyn Creek steam-assisted gravity drainage operation in northeastern Alberta, approximately 60 km (37 mi) north of Fort McMurray. No injuries or loss of life...
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Series: AAPG Studies in Geology
Published: 01 January 2013
DOI: 10.1306/13371593St643561
EISBN: 9781629812649
...-assisted gravity drainage (SAGD). Recently, environmental concerns have increasingly favored in-situ thermal recovery methods because technological developments have rendered them less invasive than open mining, although the high costs and the availability of water associated with steam production have...
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Series: AAPG Studies in Geology
Published: 01 January 2013
DOI: 10.1306/13371597St643564
EISBN: 9781629812649
... Abstract Traditionally, in-situ oil sands operators use the simple approach of placing steam-assisted gravity drainage (SAGD) well pairs as close to the base of pay as possible, with the expectation that the effects of reservoir heterogeneity will be mitigated by the use of longer well pairs...
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Series: Geophysical Developments Series
Published: 01 January 2010
DOI: 10.1190/1.9781560802235.ch15
EISBN: 9781560802235
... of clay minerals in the sand matrix. Figure 16. Realizations of mudstone volume modeling. Variation in the mudstone volume distribution is observed in the C2 category region, which can cause the wide range of variations in permeability. Introduction Steam-assisted gravity drainage...
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Series: Geophysical Developments Series
Published: 01 January 2010
DOI: 10.1190/1.9781560802235.ch26
EISBN: 9781560802235
... in situ recovery are cyclic steam stimulation (CSS), also known as “huff and puff,” and steam-assisted gravity drainage (SAGD). CSS is better suited to reservoirs that are fairly thin and have good horizontal permeability in which the steam spreads primarily laterally within the reservoir. The reservoir...
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Journal Article
Published: 01 September 2001
Bulletin of Canadian Petroleum Geology (2001) 49 (3): 376-392.
... aquifer. Vertical flow in the study area is downward, from the ground surface toward the pre-Cretaceous unconformity. Application of the Steam Assisted Gravity Drainage (SAGD) process for in situ bitumen extraction from the McMurray Formation raises several hydrogeological issues: sustaining the large...
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Image
The concept of <b>steam</b>-<b>assisted</b> <b>gravity</b> <b>drainage</b> (SAGD). Horizontal wells dri...
Published: 01 June 2006
Figure 5. The concept of steam-assisted gravity drainage (SAGD). Horizontal wells drilled in stacked pairs form the basic unit of SAGD project (top). Steam injected into the upper well melts surrounding oil (bottom). Gravity causes the mobilized oil to flow downward to the lower well
Image
Diagrammatic representation of the <b>steam</b>-<b>assisted</b> <b>gravity</b> <b>drainage</b> (SAGD) p...
Published: 01 September 2001
Fig. 8. Diagrammatic representation of the steam-assisted gravity drainage (SAGD) process for bitumen extraction from oil sands.
Image
–The <b>Steam</b> <b>Assisted</b> <b>Gravity</b> <b>Drainage</b> or SAGD process for in-situ recovery o...
Published: 11 December 1999
Figure 7 –The Steam Assisted Gravity Drainage or SAGD process for in-situ recovery of bitumen (oil) from oilsands.
Series: AAPG Memoir
Published: 01 January 2011
DOI: 10.1306/13301415M961039
EISBN: 9781629810102
... the proxy, then calculations proceed quickly. The classical response surface approach is also illustrated. Details are given to the application of proxy models to the steam-assisted gravity drainage process. A proxy model based on the Butler steam-assisted gravity drainage theory is developed to predict...
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Series: Geophysical Developments Series
Published: 01 January 2010
DOI: 10.1190/1.9781560802235.ch21
EISBN: 9781560802235
... of the oil in the reservoir predicates the production methods. Various production methods are now being used in heavy-oil reservoirs. They range from cold heavy-oil production with sand (CHOPS), cyclic steam injection (CSS), steam-assisted gravity drainage (SAGD), steam-assisted gas push (SAGP), vapor...
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Series: AAPG Studies in Geology
Published: 01 January 2013
DOI: 10.1306/13371587St643550
EISBN: 9781629812649
..., for example, in Canada, in-situ bitumen and extra-heavy-oil sands are commonly developed using CSS or steam-assisted gravity drainage (SAGD). Combined application of CSS along with SAGD from horizontal wells may recover bypassed pay in heavy-oil reservoirs and may be used to recover bitumen from associated...
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Journal Article
Published: 01 June 2016
Bulletin of Canadian Petroleum Geology (2016) 64 (2): 266-277.
... and formation fluid properties of two of China’s heavy oil fields, Liaohe Oil Field and Xinjiang Oil Field, are compared. Two major thermal recovery technologies, steam assisted gravity drainage and in-situ combustion, are found to be complementary and the outcomes are promising. With the assistance...
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Series: Geophysical Developments Series
Published: 01 January 2010
DOI: 10.1190/1.9781560802235.ch2
EISBN: 9781560802235
... of water) and in terms of efficiency and overall environmental impact. The steam-assisted gravity drainage (SAGD) technique is a current popular technique. In a steam chamber, more than 60% of oil in place can be produced (Caruso, 2005; Gupta, 2005). However, on a reservoir scale, efficiency can be low...
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Series: Geophysical Developments Series
Published: 01 January 2010
DOI: 10.1190/1.9781560802235.ch8
EISBN: 9781560802235
... for the calculation. Introduction The Hangingstone steam-assisted gravity drainage (SAGD) operation of Japan Canada Oil Sands Limited (JACOS) is approximately 50 km south-southwest of Fort McMurray in northern Alberta, Canada. JACOS started the operation in 1997 and has produced bitumen since 1999. The oil...
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Series: AAPG Studies in Geology
Published: 01 January 2013
DOI: 10.1306/13371576St643550
EISBN: 9781629812649
..., in another major global heavy-oil resource, the Oficina Formation in Venezuela was similarly deposited in fluvioestuarine to deltaic settings. Current in-situ oil-sand development focuses on steam-assisted gravity drainage (SAGD) technology and, to a lesser degree, cyclic steam stimulation (CSS). Other...
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