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1. (WO2007079562) DETECTION OF RESISTIVITY OF OFFSHORE SEISMIC STRUCTURES MAINLY USING VERTICAL MAGNETIC COMPONENT OF EARTH'S NATURALLY VARYING ELECTROMAGNETIC FIELD
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2007/079562    International Application No.:    PCT/CA2006/000042
Publication Date: 19.07.2007 International Filing Date: 13.01.2006
Chapter 2 Demand Filed:    13.08.2007    
IPC:
G01V 3/08 (2006.01), G01D 11/10 (2006.01), G01D 11/16 (2006.01), G01R 33/02 (2006.01), G01V 3/40 (2006.01)
Applicants: FOX, Anthony, C.L. [CA/CA]; (CA).
INGEROV, Olexandr [CA/CA]; (CA)
Inventors: FOX, Anthony, C.L.; (CA).
INGEROV, Olexandr; (CA)
Agent: MILNE, Peter; Gowling Lafleur Henderson LLP, Suite 1600, 1 First Canadian Place, 100 King Street West, Toronto, Ontario M5X 1G5 (CA)
Priority Data:
Title (EN) DETECTION OF RESISTIVITY OF OFFSHORE SEISMIC STRUCTURES MAINLY USING VERTICAL MAGNETIC COMPONENT OF EARTH'S NATURALLY VARYING ELECTROMAGNETIC FIELD
(FR) DETECTION DE RESISTIVITE DE STRUCTURES SISMIQUES OFFSHORE ESSENTIELLEMENT AU MOYEN D'UNE COMPOSANTE MAGNETIQUE VERTICALE DE CHAMP ELECTROMAGNETIQUE TERRESTRE VARIANT NATURELLEMENT
Abstract: front page image
(EN)The invention measures the vertical component Hz of a magnetic field arising from natural sources (MT) simultaneously at a plurality of points on the sea floor to determine places having a non-zero vertical component Hz indicative of an edge of a resistive body (structure), in order to determine whether or not a sub-bottom geologic structure, known from marine seismic measurements, exhibits a resistivity contrast with the surrounding rocks, a positive contrast being interpreted as indicating hydrocarbon charge within the structure.
(FR)L'invention concerne la mesure d'une composante verticale Hz d'un champ magnétique provenant de sources naturelles (MT) simultanément au niveau de plusieurs points sur le fond de l'océan, ce qui permet de déterminer les endroits comprenant une composante verticale Hz non nulle qui indique le bord d'un corps (structure) résistif afin de déterminer si la structure géologique de sous-sol du fond connue à partir de mesures sismiques marines, présente ou non un contraste de résistivité avec les roches environnantes, un contraste positif étant interprété comme une indication de charge d'hydrocarbures dans ladite structure.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Org. (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (EAPO) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)