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TitleOverview of wireline-logging analysis in the Aurora/JOGMEC/NRCan Mallik 2L-38 gas hydrate production research well
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorFujii, T; Noguchi, S; Murray, D R; Takayama, T; Fujii, K; Yamamoto, K; Dallimore, S RORCID logo; Al-Jubori, A
SourceScientific results from the JOGMEC/NRCan/Aurora Mallik 2007-2008 gas hydrate production research well program, Mackenzie Delta, Northwest Territories, Canada; by Dallimore, S RORCID logo (ed.); Yamamoto, K (ed.); Wright, J F (ed.); Bellefleur, GORCID logo (ed.); Geological Survey of Canada, Bulletin 601, 2012 p. 125-140, Open Access logo Open Access
PublisherNatural Resources Canada
Mediapaper; on-line; digital
RelatedThis publication is contained in Scientific results from the JOGMEC/NRCan/Aurora Mallik 2007-2008 gas hydrate production research well program, Mackenzie Delta, Northwest Territories, Canada
File formatpdf
ProvinceNorthwest Territories
AreaMackenzie Delta
Lat/Long WENS-134.5000 -134.0000 69.5000 69.2500
Subjectsfossil fuels; engineering geology; geophysics; hydrocarbons; gas; hydrocarbon gases; hydrate; methane; methane hydrate; petroleum resources; geophysical surveys; gamma ray logging; gamma-ray surveys; seismic surveys; porosity; permeability; geothermics; modelling; production tests; drilling techniques; pressure-temperature conditions; logging techniques; Tertiary; Cenozoic
Illustrationslocation maps; profiles; plots; tables
ProgramGas Hydrates
Released2012 12 14 (13:00)
AbstractIn order to evaluate the productivity of gas hydrate by the depressurization method, Japan Oil, Gas and Metals National Corporation and Natural Resources Canada carried out a full-scale production test in the Mallik field, Mackenzie Delta in April 2007 and March 2008. An extensive wireline-logging program was conducted in 2007 to evaluate physical reservoir properties of gas-hydrate-bearing sediments, to determine production-test and water-injection intervals, to evaluate cement bonding, and to interpret gas hydrate-dissociation behaviour throughout the production test.
New open-hole wireline-logging tools, such as the Magnetic Resonance ScannerTM, True Resistivity ScannerTM, Sonic ScannerTM, and other advanced logging tools, such as Elemental Capture SpectroscopyTM, were deployed to obtain precise data on the occurrence of gas hydrate, lithology, gas hydrate pore saturation, porosity, and permeability. Perforation interval of the production-test and water-injection zones was determined through a multidisciplinary approach, using geological-petrophysical analysis and interpretation of open-hole logging data, construction of layered reservoir models, quick reservoir numerical simulations for several perforation scenarios, and operational constraints. A gas-hydrate-bearing formation from 1093 to 1105 m KB was selected for the 2007-2008 production test, and three zones (1224-1230, 1238-1256, and 1270-1274 m KB) were selected for the injection of produced water.
Cased-hole logging measurements with the Reservoir Saturation ToolTM, Accelerator Porosity SondeTM, and Sonic ScannerTM were also conducted to evaluate physical-property changes of the gas-hydrate-bearing intervals before and after the production test (time-lapse analysis). Analysis of these cased-hole logging data provided important knowledge about gas hydrate-dissociation behaviour.

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