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1. (WO2017151338) EARTH SURVEYING WITH TWO OR MORE MARINE VEHICLES FOR IMPROVED DRILLING APPLICATIONS
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Pub. No.: WO/2017/151338 International Application No.: PCT/US2017/018600
Publication Date: 08.09.2017 International Filing Date: 20.02.2017
IPC:
G01V 3/08 (2006.01) ,G01V 3/15 (2006.01) ,G01V 3/18 (2006.01) ,G01V 3/26 (2006.01) ,G01V 3/30 (2006.01) ,G01V 3/34 (2006.01) ,G01V 3/36 (2006.01) ,G01V 3/38 (2006.01) ,G01V 3/40 (2006.01)
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
08
operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
15
specially adapted for use during transport, e.g. by a person, vehicle or boat
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
18
specially adapted for well-logging
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
18
specially adapted for well-logging
26
operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
18
specially adapted for well-logging
30
operating with electromagnetic waves
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
18
specially adapted for well-logging
34
Transmitting data to recording or processing apparatus; Recording data
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
36
Recording data
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
38
Processing data, e.g. for analysis, for interpretation or for correction
G PHYSICS
01
MEASURING; TESTING
V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
3
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
40
specially adapted for measuring magnetic field characteristics of the earth
Applicants:
LIQUID ROBOTICS OIL AND GAS LLC [US/US]; 5599 San Felipe Suite 410 Houston, TX 77056, US
Inventors:
PAI, Sudhir; US
POEDJONO, Benny; US
Agent:
SMITH, Darren; US
REPASS, James, W.; US
YAQUIAN, Juan, Carlos; US
PRATI, Danny, A.; US
Priority Data:
15/061,84204.03.2016US
Title (EN) EARTH SURVEYING WITH TWO OR MORE MARINE VEHICLES FOR IMPROVED DRILLING APPLICATIONS
(FR) RECONNAISSANCE TERRESTRE À L'AIDE DE DEUX VÉHICULES MARINS, OU PLUS, POUR APPLICATIONS DE FORAGE AMÉLIORÉES
Abstract:
(EN) Methods and apparatuses for geophysical surveying are disclosed. In one embodiment, a vehicle may obtain magnetic measurements in a location around a drilling site while a marine vehicle maintains an approximately stationary position nearby. The magnetic measurements from the two vehicles may be used to calculate a localized magnetic crustal field. The localized magnetic crustal field may be used to calculate a geomagnetic reference field that may be used to calculate and/or adjust wellbore position with improved accuracy.
(FR) La présente invention concerne des procédés et des appareils de reconnaissance géophysique. Selon un mode de réalisation, un véhicule peut obtenir des mesures magnétiques à une position située aux environs d'un site de forage tandis qu'un véhicule marin conserve une position sensiblement stationnaire à proximité. Les mesures magnétiques issues des deux véhicules peuvent être utilisées pour calculer un champ magnétique localisé d'écorce terrestre. Le champ magnétique localisé d'écorce terrestre peut être utilisé pour calculer un champ de référence géomagnétique pouvant servir à calculer et/ou à ajuster une position de puits de forage avec une précision améliorée.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)