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Keywords: injector
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Journal Articles
J Can Pet Technol 54 (06): 387–393.
Paper Number: SPE-170076-PA
Published: 03 November 2015
... of the well. In this study, we address how to design SAGD injector and producer completions using steam splitters and scab liners. Results from reservoir simulation with coupled wellbore hydraulics will be presented to show how a well pair could be optimized by attaining favorite pressure profiles inside...
Journal Articles
J Can Pet Technol 54 (06): 361–371.
Paper Number: SPE-174491-PA
Published: 03 November 2015
... of one horizontal producer supported by two horizontal hot-water injectors, with an injector/producer distance of 50 m for both injectors, and three vertical observation wells equipped to monitor pressure and temperature between one injector and the producer. The pilot was operated in three phases...
Journal Articles
J Can Pet Technol 54 (02): 081–084.
Paper Number: SPE-0315-081-JCPT
Published: 23 March 2015
... injectivity. Steam circulation is extended until the oil between injector and producer reaches the mobile tem- perature. At that point, steam injection can be started. Because of slow conductive heating dur- ing the startup phase, operators attempt to commercialize other startup strategies [e.g., bullheading...
Journal Articles
J Can Pet Technol 53 (01): 32–47.
Paper Number: SPE-149352-PA
Published: 13 February 2014
... out and improve both injection and production. Problems that operators have with multiple tubing strings in wells include their control and design. In this work, the injector and the producer will have two tubing strings each: one landed at the toe and the other at the heel. Control points are applied...
Journal Articles
J Can Pet Technol 52 (05): 368–375.
Paper Number: SPE-158262-PA
Published: 16 September 2013
... & Gas stimulation september 2013 Pike Peak Modeling & Simulation CWE oil production producer horizontal well Steam Stimulation thermal method steam-assisted gravity drainage Miller steam-project pressure-isolation wall Steam Project Field Result SAGD injector steam injection...
Journal Articles
J Can Pet Technol 52 (03): 204–218.
Paper Number: SPE-137836-PA
Published: 06 May 2013
... the native oil mobility is low, this displacement becomes problematic because of the low oil mobility downstream of the combustion front. Heating the reservoir and reducing the distance between injector and producer can prevent such cold liquid blocking in the combustion process. This suggests that a well...
Journal Articles
J Can Pet Technol 52 (02): 95–100.
Paper Number: SPE-153706-PA
Published: 07 March 2013
... sizes for both the injector and producer, which could allow longer completions by reducing liner drag and increasing directional-drilling flexibility. Ultimately, these SAGD-well design changes could increase the amount of reservoir developed per well and per well pad, using longer wells and more wells...
Journal Articles
J Can Pet Technol 51 (01): 32–45.
Paper Number: SPE-155502-PA
Published: 16 January 2012
..., water use, and flue-gas emissions. This paper examines the impact of position and geometry of steam injectors on the performance of steam-based gravity-drainage processes in a heterogeneous reservoir. Different injection-well configurations including single horizontal (typical SAGD), offset SAGD...
Journal Articles
J Can Pet Technol 49 (02): 71–78.
Paper Number: SPE-133374-PA
Published: 14 November 2011
... and consistent framework and to generate multiple geological realizations accounting for uncertainty and spatial variability. Subsequently, the net present value (NPV) is selected as the objective function to be optimized by using the genetic algorithm, while well rates of the injectors and the flowing...
Journal Articles
J Can Pet Technol 50 (11): 19–32.
Paper Number: SPE-149708-PA
Published: 01 November 2011
.... This paper describes three SAGD operating modes used by Devon at Jackfish: full SAGD, semi-SAGD, and partial SAGD. During partial SAGD, the fluid return from the injector stops while steam injection continues down either the long tubing (LT), short tubing (ST), or the annulus. The producer continues...
Journal Articles
J Can Pet Technol 50 (04): 9–18.
Paper Number: SPE-146626-PA
Published: 29 March 2011
... 2009 1 4 2011 2011. Society of Petroleum Engineers thermal method steam-assisted gravity drainage injection pressure Butler Modeling & Simulation injector dipping-injector sagd operation SAGD Engineering Athabasca configuration SAGD performance cross section wellbore...
Journal Articles
J Can Pet Technol 50 (03): 57–64.
Paper Number: SPE-133298-PA
Published: 01 March 2011
... coinjection, top injector application, or a combination of both, to reduce the shale barrier impacts. Solvent in the vapour phase can pass through the narrow flow path at the end of a shale barrier. Meanwhile, because the phase condenses from vapour to liquid, solvent efficiently reduces the flow resistance...
Journal Articles
J Can Pet Technol 49 (10): 75–82.
Paper Number: SPE-141650-PA
Published: 01 October 2010
... as the objective function, while the controlling variables are chosen to be the injection rates, ratios of gas slug size to water slug size (WAG ratio) and cycle time (i.e., the injection time for each gas or water slug) for the injectors and bottomhole pressures (BHPs) for the producers. A hybrid technique, which...
Journal Articles
J Can Pet Technol 49 (05): 19–26.
Paper Number: SPE-137046-PA
Published: 24 May 2010
... Basin. Reservoir Characteristics and Study Area General characteristics of this reservoir are given in Table 1. Discussions with the field operator led to the decision to focus the simulation modelling in an area of particular interest, centred on an injector/producer pattern showing interesting...
Journal Articles
J Can Pet Technol 49 (04): 29–35.
Paper Number: SPE-134227-PA
Published: 01 April 2010
... and history matching stages, potential reserves locations are estimated for possible dilute surfactant injection. Based on interwell connectivity, different injection schemes that use some producers as injectors are tested. The obtained results are subject to further evaluation and analysis to derive...
Journal Articles
J Can Pet Technol 48 (11): 34–39.
Paper Number: SPE-130443-PA
Published: 01 November 2009
... 2009. Society of Petroleum Engineers Modeling & Simulation injector SAGD constraint well pair completion thermal method steam-assisted gravity drainage Pay Thickness kPa Xsagd cross sagd steam oil ratio permeability enhanced recovery Upstream Oil & Gas heterogeneity...
Journal Articles
J Can Pet Technol 48 (11): 11–15.
Paper Number: SPE-130439-PA
Published: 01 November 2009
...H.Y. Wang The steam assisted gravity drainage (SAGD) pilot test in the LiaoHe oilfield of China is the first SAGD project conducted in China in the deeper bitumen reservoir (650 - 800 m), using a combination of vertical injectors and horizontal producers. Temperature observation wells play...
Journal Articles
J Can Pet Technol 48 (09): 41–46.
Paper Number: PETSOC-09-09-41
Published: 01 September 2009
...T. Thorne; L. Zhao Pressure drop along the horizontal wells and between the injector and producer could have a significant impact on SAGD process performance. However, this issue is poorly understood due to difficulties in simulating pressure drop. This paper presents the results of a numerical...
Journal Articles
J Can Pet Technol 48 (06): 71–77.
Paper Number: PETSOC-09-06-71
Published: 01 June 2009
.... Petroleum Society of Canada (now Society of Petroleum Engineers) Modeling & Simulation enhanced recovery thermal method steam-assisted gravity drainage Upstream Oil & Gas steam chamber development producer Directional Drilling injector well model base model horizontal well SAGD...
Journal Articles
J Can Pet Technol 48 (03): 10–12.
Paper Number: PETSOC-09-03-10-TN
Published: 01 March 2009
..., improvement in injection water quality and selective placement of additional injectors and producers. In viscous fingering-dominated waterfloods, aggressive water injection aggravates water channelling. High injection rates (sub-fracture) lead to high initial oil rates in the short-term, but they subsequently...

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