Inventor

CRETIN JACQUES

23 patents

Patents

23 patents

US5363094ANov 8, 1994

Stationary system for the active and/or passive monitoring of an underground deposit

INST FRANCAIS DU PETROLE295 citations97

US5481502AJan 2, 1996

System of acquistion and centralization of data obtained through a permanent plant for exploring a geologic formation

INST FRANCAIS DU PETROLE55 citations95

US4901289AFeb 13, 1990

System for acquiring and recording signals delivered by a set of sensors disposed in well probes

INST FRANCAIS DU PETROLE69 citations95

US5184329AFeb 2, 1993

Method and device for optimizing the triggering of an array of marine seismic sources

INST FRANCAIS DU PETROLE66 citations92

US5200927AApr 6, 1993

Method and apparatus for controlling an immersed multisource array emitting acoustic impulses

INST FRANCAIS DU PETROLE23 citations91

US4862425AAug 29, 1989

Device for acquiring seismic data in a borehole and transmission thereof to a central control and recording system

INST FRANCAIS DU PETROLE32 citations90

US4644506AFeb 17, 1987

Device for determining the position in the water of an elongate element towed while submerged

INST FRANCAIS DU PETROLE31 citations90

US4398271AAug 9, 1983

Device for data transmission between seismic data acquisition devices and a recording device

INST FRANCAIS DU PETROLE24 citations82

US4352070ASep 28, 1982

Device for interconnecting a series of data acquisition apparatuses to a remote receiving and recording system

INST FRANCAIS DU PETROLE11 citations74

US4449120AMay 15, 1984

Method for amplifying multiplexed signals through different gain amplification units for selecting an optimum gain signal and device therefore

INST FRANCAIS DU PETROLE15 citations74

US4426624AJan 17, 1984

Device and method for amplifying and sampling multiplexed signals

INST FRANCAIS DU PETROLE7 citations74

US4365320ADec 21, 1982

Device for determining the instant of reception of an acoustic wave

INST FRANCAIS DU PETROLE9 citations74

US5243337ASep 7, 1993

Process and device for optimizing signal transmission rates on multifunctional well cables

INST FRANCAIS DU PETROLE13 citations72

US4855732AAug 8, 1989

System for the transmission of signals between a reception assembly lowered into a well and a central control and recording laboratory

INST FRANCAIS DU PETROLE13 citations72

US4007444AFeb 8, 1977

Microprogrammed computing device

INST FRANCAIS DU PETROLE7 citations70

US4503526AMar 5, 1985

Device for water inflow detection inside a seismic streamer

INST FRANCAIS DU PETROLE16 citations69

US4378527AMar 29, 1983

Device for amplifying and sampling analog signals

INST FRANCAIS DU PETROLE5 citations63

US4669060AMay 26, 1987

Device associated to a computer for controlling data transfers between a data acquisition system and an assembly comprising a recording and reading apparatus

INST FRANCAIS DU PETROLE3 citations61

US4636992AJan 13, 1987

Device for supplying electric power to electronic apparatuses of an acoustic wave receiving assembly of great length

INST FRANCAIS DU PETROLE4 citations60

US4736346AApr 5, 1988

System for interconnecting elements of a receiving device of great length, whereby the number of recording traces corresponding to the sensed signals can be doubled

INST FRANCAIS DU PETROLE1 citations50

CRETIN JACQUES

Patents

Stationary system for the active and/or passive monitoring of an underground deposit

System of acquistion and centralization of data obtained through a permanent plant for exploring a geologic formation

System for acquiring and recording signals delivered by a set of sensors disposed in well probes

Method and device for optimizing the triggering of an array of marine seismic sources

Method and apparatus for controlling an immersed multisource array emitting acoustic impulses

Device for acquiring seismic data in a borehole and transmission thereof to a central control and recording system

Device for determining the position in the water of an elongate element towed while submerged

Device for data transmission between seismic data acquisition devices and a recording device

Sample-and-hold unit

Device for coupling several data processing units to a single memory

Mobile seismic system of great length for wells

Device for interconnecting a series of data acquisition apparatuses to a remote receiving and recording system

Method for amplifying multiplexed signals through different gain amplification units for selecting an optimum gain signal and device therefore

Device and method for amplifying and sampling multiplexed signals

Device for determining the instant of reception of an acoustic wave

Process and device for optimizing signal transmission rates on multifunctional well cables

System for the transmission of signals between a reception assembly lowered into a well and a central control and recording laboratory

Microprogrammed computing device

Device for water inflow detection inside a seismic streamer

Device for amplifying and sampling analog signals

Device associated to a computer for controlling data transfers between a data acquisition system and an assembly comprising a recording and reading apparatus

Device for supplying electric power to electronic apparatuses of an acoustic wave receiving assembly of great length

System for interconnecting elements of a receiving device of great length, whereby the number of recording traces corresponding to the sensed signals can be doubled