Rock magnetic properties of drill cutting from a hydrocarbon exploratory well and their relationship to hydrocarbon presence and petrophysical properties

The Golfo San Jorge Basin is one of the most important hydrocarbon-producing basins in Argentina. A study of magnetic properties performed on drill cutting from an oil well drilled in this basin was carried out. The cutting samples, taken from an interval of about 400 m thickness, correspond to the...

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Autor principal: Mena, M.
Otros Autores: Walther, A.M
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2012
Acceso en línea:Registro en Scopus
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100 1 |a Mena, M. 
245 1 0 |a Rock magnetic properties of drill cutting from a hydrocarbon exploratory well and their relationship to hydrocarbon presence and petrophysical properties 
260 |c 2012 
270 1 0 |m Mena, M.; Dpto. Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos AiresArgentina; email: mena@gl.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
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504 |a Aldana, M., Costanzo-Álvarez, V., Gómez, L., González, C., Díaz, M., Silva, P., Rada, M., (2011) Identification of magnetic minerals related to hydrocarbon authigenesis in venezuelan oil fields using an alternative decomposition of isothermal remanence curves, 55, pp. 343-358. , Studia Geophysica et Geodaetica 
504 |a Baldi, J.E., Nevistic, V.A., (1996) Ramos, V. & Turic, M. A. (eds) Relatorio XIII Congreso Geológico Argentino y II Congreso de exploración de Hidrocarburos, BsAs, , Cuenca costa afuera del Golfo San Jorge. Cap. X., Geología y Recursos Naturales de la Plataforma Continental Argentina. Asociación Geológica Argentina Press, Buenos Aires 
504 |a Costanzo-Alvarez, V., Aldana, M., Aristeguieta, O., Marcano, M.C., Aconcha, E., Studies of magnetic constrast in the Guafita oil field (Southwestern Venezuela) (2000) Physics and Chemistry of the Earth A, 25, pp. 437-445 
504 |a Costanzo-Alvarez, V., Aldana, M., Diaz, M., Bayona, G., Ayala, C., Hydrocarbon-induced magnetic contrast in some Venezuelan and Colombian oil wells (2006) Earth Planets Space, 58, pp. 1401-1410 
504 |a Donovan, T.J., Hendricks, J.D., Roberts, A.A., Eliason, P.T., Low-altitude aeromagnetic reconnaissance for petroleum in the Artic National Wildlife Refuge, Alaska (1984) Geophysics, 49, pp. 1338-1353 
504 |a Dunlop, D., Özdemir, O., (1997) Rock Magnetism: Fundamentals and Frontiers, , Cambridge University Press, UK 
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504 |a Elmore, R.D., Imbus, S.W., Engel, M.H., Fruit, D., (1993) Hydrocarbons and Magnetizations in Magnetite, Applications of Paleomagnetism to Sedimentary Geology, 49, pp. 181-191. , SEPM, Tulsa, Special Publication 
504 |a Foote, R.S., Significance of near-surface magnetic anomalies (1984) Davidson, M. J. & Gottlieb, B. M. (eds) Unconventional Methods in Exploration for Petroleum and Natural Gas, pp. 12-24. , Institute for the study of Earth and Man, Southern Methodist University, Dallas 
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504 |a Heslop, D., Dekkers, M.J., Kruiver, P.P., van Oorschot, I.H.M., Analysis of isothermal remanent magnetization acquisition curves using the expectation-maximization algorithm (2002) Geophysical Journal International, 148, pp. 58-64 
504 |a Kruiver, P.P., Dekkers, M.J., Heslop, D., Quantification of magnetic coercivity components by the analysis of acquisition curves of isothermal remanent magnetization (2001) Earth and Planetary Science Letters, 189, pp. 269-276 
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504 |a Mcelhinny, M.W., Mcfadden, P.L., Paleomagnetims (2000) Continents and Oceans, p. 73. , International Geophysics Series, Academic Press, San Diego, USA 
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504 |a Mena, M., (2007), Propiedades magnéticas de rocas: su correlación con registros de pozo. PhD thesis, Universidad de Buenos Aires, Buenos Aires; Robertson, D.J., France, D.E., Discrimination of remanence-carryng mineral in mixtures, using isothermal remanent magnetisation curves (1994) Physics of the Earth and Planetary Interiors, 84, pp. 223-234 
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520 3 |a The Golfo San Jorge Basin is one of the most important hydrocarbon-producing basins in Argentina. A study of magnetic properties performed on drill cutting from an oil well drilled in this basin was carried out. The cutting samples, taken from an interval of about 400 m thickness, correspond to the upper units of the Pozo D-129 Formation, the main source rock of the basin. Magnetic susceptibility measurements were made and rock-magnetism studies were conducted. Concentration indices of the different magnetic species determined were calculated based on isothermal remanent magnetization acquisition curves. A correlation analysis among magnetic properties, hydrocarbon content and well logs (sonic, neutron, density, induction, resistivity and photoelectric factor) was performed. Several kinds of significant correlations were found: a positive correlation between susceptibility and relative hydrocarbon content; a positive correlation between magnetic properties and porosities (especially good with the neutron log porosity); and a negative correlation between the concentration indices of some magnetic species (magnetite and pyrrhotite) and resistivity. Pyrrhotite could be directly related to the presence or migration of hydrocarbons through the porous units. The qualitative correlations between magnetic data and key petrophysical parameters such as porosity, along with the association of magnetic mineralogy to hydrocarbon presence or migration, suggest the potential usefulness of these techniques for subsurface exploration. © The Geological Society of London 2012.  |l eng 
593 |a Dpto. Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina 
690 1 0 |a CONCENTRATION (COMPOSITION) 
690 1 0 |a CORRELATION 
690 1 0 |a ELECTRICAL RESISTIVITY 
690 1 0 |a HYDROCARBON EXPLORATION 
690 1 0 |a HYDROCARBON MIGRATION 
690 1 0 |a HYDROCARBON RESERVOIR 
690 1 0 |a MAGNETIC PROPERTY 
690 1 0 |a MAGNETIC SUSCEPTIBILITY 
690 1 0 |a SOURCE ROCK 
690 1 0 |a ATLANTIC OCEAN 
690 1 0 |a SAN JORGE GULF 
700 1 |a Walther, A.M. 
773 0 |d 2012  |g v. 371  |h pp. 217-228  |k n. 1  |p Geol. Soc. Spec. Publ.  |x 03058719  |t Geological Society Special Publication 
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