# US 10,310,124 B1 · Floating vessel based system for generating a multidimensional seismic data set for a target area

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- Number: US 10,310,124 B1
- Document ID: US10310124B1
- Status: Granted
- Kind: B1
- Application number: 16/252,246
- Filed: 2019-01-18
- Granted: 2019-06-04
- Earliest claimed: 2018-02-28
- Applicants: Lawrence Scott; Edward Majzlik
- Inventors: Lawrence Scott; Edward Majzlik
- Web page: https://patentgrep.com/patent/US10310124B1

## CPC

- G01V 1/3808: {Seismic data acquisition, e.g. survey design}
- G01V 1/164: {Circuits therefore}
- G01V 3/08: operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices (with electromagnetic waves G01V3/12)
- G01V 3/081: {the magnetic field is produced by the objects or geological structures (characterised by the method of magnetic field measurement G01R33/00)}
- G01V 3/082: {operating with fields produced by spontaneous potentials, e.g. electrochemical or produced by telluric currents (G01V3/26 takes precedence)}
- G01V 3/083: {Controlled source electromagnetic [CSEM] surveying}
- G01V 2003/084: {Sources}
- G01V 2210/1293: Sea
- G01V 2210/1423: Sea
- G01V: GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B29/02)

## Abstract

A floating vessel based system generates a multidimensional seismic data set for a target area. The floating vessel based system includes a seismic source proximate to a floating vessel, providing a plurality of seismic energy pulses through water to the target area forming a plurality of reflected seismic energy pulses, a non-stationary seismic node configured for being towed from the floating vessel using at least one rope through the water, a non-stationary seismic node, and a second processor with second data storage on the floating vessel. The second data storage instructs the second processor to receive, each digital data series, combines the digital data series for all non-stationary seismic nodes utilized, and automatically generates multidimensional seismic data set for the target area.

## Claims

### Claim 1

A floating vessel based system for generating a multidimensional seismic data set for a target area under water, the floating vessel based system comprising:
a. a plurality of seismic sources proximate to a floating vessel, providing a plurality of seismic energy pulses through water to the target area forming a plurality of reflected seismic energy pulses;
b. a plurality of neutrally buoyant non-stationary seismic nodes each configured for towing through water using at least one rope, each non-stationary seismic node comprising:
(i) a plurality of analog to digital converters;
(ii) a plurality of seismic sensors, each seismic sensor electrically connected to one of the analog to digital converters and configured to receive reflected seismic energy pulses through the water;
(iii) a power supply electrically connects to each analog to digital converter;
(iv) a first processor electrically connects to the power supply and electronically connects to the analog to digital converter;
(v) a high precision clock electronically connected to the first processor and electrically connected to the power supply;
(vi) a data storage connected to the first processor, contains computer instructions to instruct the first processor (i) to collect digital values from the analog to digital converters using a preset sampling interval between 0.1 milliseconds and 2 milliseconds (ii) to provide a time stamp forming a multidimensional marine seismic record, (iii) to store the multidimensional marine seismic records in the data storage, (iv) to combine a plurality of multidimensional marine seismic records into a digital data series and save in the data storage; and
c. a second processor with second data storage on the floating vessel, the second data storage instructing the second processor to receive, each digital data series combining the digital data series for all non-stationary seismic nodes and automatically generate a multidimensional seismic data set for the target area, wherein the multidimensional seismic data set for the target area has a spatial resolution from 0.05 meter to 12.5 meter and a temporal resolution from 100 microsecond to 2 milliseconds.

### Claim 2 (depends on 1)

The floating vessel based system of claim 1, wherein the seismic sensor is selected from the group consisting of: a hydrophone, a single axis accelerometer, a two axis accelerometer, and a three axis accelerometer.

### Claim 3 (depends on 1)

The floating vessel based system of claim 1, wherein the non-stationary seismic node comprises: a depth indicator performing as a sensor to measure the depth of the non-stationary seismic node in a water.

### Claim 4 (depends on 1)

The floating vessel based system of claim 1, wherein the non-stationary seismic node comprises: an acoustic transponder for communicating reflected pulses from the floating vessel or a towed buoy with the first processor.

### Claim 5 (depends on 1)

The floating vessel based system of claim 1, wherein the non-stationary seismic node comprises: a magnetometer for measuring magnetic field intensity of the target area and communicating measured magnetic field intensity with the first processor.

### Claim 6 (depends on 1)

The floating vessel based system of claim 1, wherein the non-stationary seismic node comprises: a magnetic compass for measuring orientation of the non-stationary seismic node with respect to a preset magnetic heading and communicating the measured orientation with the first processor.

### Claim 7 (depends on 1)

The floating vessel based system of claim 1, wherein the non-stationary seismic node comprises: a pitch and roll attitude sensor for measuring orientation of the non-stationary seismic node relative to a local gravitational field and communicating the measured orientation with the first processor.

### Claim 8 (depends on 1)

The floating vessel based system of claim 1, wherein the non-stationary seismic node comprises: an electromagnetic sensor for measuring magneto-telluric or controlled source electromagnetic signals and communicating the measured electromagnetic signals with the first processor.

### Claim 9 (depends on 1)

The floating vessel based system of claim 1, wherein the non-stationary seismic node comprises a connector for transferring the digital data series to the second processor.

### Claim 10 (depends on 1)

The floating vessel based system of claim 1, wherein the seismic source is located on the floating vessel, on a second source floating vessel 120ab, or towed from the floating vessel, or towed from the second source floating vessel.

### Claim 11 (depends on 1)

The floating vessel based system of claim 1, comprising a waterproof housing having a hydrodynamic body providing horizontal and vertical profiles adapted to capture acoustic or seismic energy.

### Claim 12 (depends on 1)

The floating vessel based system of claim 1, wherein the power supply is a DC voltage source having a range from 3 volts to 24 volts.

### Claim 13 (depends on 12)

The floating vessel based system of claim 12, wherein the power supply is replaceable or rechargeable.

### Claim 14 (depends on 1)

The floating vessel based system of claim 1, wherein the multidimensional marine seismic record is generated at sampling intervals from 0.05 milliseconds and 4 milliseconds.

### Claim 15 (depends on 1)

The floating vessel based system of claim 1, wherein the floating vessel tows a plurality of non-stationary seismic nodes at a plurality of depths D1, D2, D3, below a water surface simultaneously.

### Claim 16 (depends on 1)

The floating vessel based system of claim 1, comprising a plurality of seismic sources towed by the floating vessel.

### Claim 17 (depends on 1)

The floating vessel based system of claim 1, comprising a water proof housing with a fastener for engaging the at least one rope.

### Claim 18 (depends on 17)

The floating vessel based system of claim 17, wherein each of the analog to digital converters is connected to a seismic sensor, each analog to digital converter converting one of the analog signals to a digital value.

### Claim 19 (depends on 18)

The floating vessel based system of claim 18, wherein the pluralities of seismic sensors are mounted on the water proof housing.
