IP Library Granted Patent US 12,470,429
Granted Patent B1
US 12,470,429 · App. 17/658,407 · Granted Nov 11, 2025

System for multimode geophysical data acquisition

Inventors: John Bryant (Dallas, TX); Frederick Hershel Savage (Austin, TX); Timothy Beets (Austin, TX)
Assignee: EARTHSYSTEMS TECHNOLOGIES OPERATING LLC
H04L12/40013G01V3/20G01V3/38G06F13/28H04L7/0008H04L12/40019H04L61/4552
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Quick Facts
Patent No.
US 12,470,429
App. No.
17/658,407
Granted
Nov 11, 2025
Kind
B1
Abstract

A method for a multichannel geophysical data acquisition system is provided in the field of electrical resistivity tomography. Individual and autonomous node operating systems are provided. Separate communication channels for upstream and downstream data transfer, high voltage transfer and synchronization signals are provided. The method provides for alternating node type assignments to change an array configuration without physically relocating nodes.

Claims (133)

1 . A system for gathering geophysical data comprising:

a master processor, having a master processor memory;

a plurality of node processors, having a plurality of node processor memories;

the master processor memory and the plurality of node processor memories containing a set of instructions, that when executed cause the system to:

configure the plurality of node processors in a first array topology;

acquire a first set of geophysical data, in the first array topology;

configure the plurality of node processors in a second array topology;

acquire a second set of geophysical data, in the second array topology; and

report the first set of geophysical data and the second set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a third array topology;

acquire a third set of geophysical data in the third array topology; and

report the third set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a fourth array topology;

acquire a fourth set of geophysical data in the fourth array topology; and

report the fourth set of geophysical data;

wherein each of the first array topology, the second array topology, the third array topology and the fourth array topology is one of a group of a Wenner array topology, a Schlumberger array topology, a dipole-dipole array topology and a pole-dipole array topology; and

wherein the Wenner array topology further comprises:

an inner node configuration, of the plurality of node processors, for voltage measurement; and

an outer node configuration, of the plurality of node processors, adjacent the inner node configuration of node processors, for current injection;

wherein the set of instructions further contains instructions that when executed causes the system to:

advance the inner node configuration and the outer node configuration across the plurality of node processors.

2 . A system for gathering geophysical data comprising:

a master processor, having a master processor memory;

a plurality of node processors, having a plurality of node processor memories;

the master processor memory and the plurality of node processor memories containing a set of instructions, that when executed cause the system to:

configure the plurality of node processors in a first array topology;

acquire a first set of geophysical data, in the first array topology;

configure the plurality of node processors in a second array topology;

acquire a second set of geophysical data, in the second array topology; and

report the first set of geophysical data and the second set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a third array topology;

acquire a third set of geophysical data in the third array topology; and

report the third set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a fourth array topology;

acquire a fourth set of geophysical data in the fourth array topology; and

report the fourth set of geophysical data;

wherein each of the first array topology, the second array topology, the third array topology and the fourth array topology is one of a group of a Wenner array topology, a Schlumberger array topology, a dipole-dipole array topology and a pole-dipole array topology;

wherein the Wenner array topology further comprises:

an inner node configuration, of the plurality of node processors, for voltage measurement; and

an outer node configuration, of the plurality of node processors, adjacent the inner node configuration of node processors, for current injection;

wherein the set of instructions further contains instructions that when executed causes the system to:

advance the inner node configuration and the outer node configuration across the plurality of node processors; and

wherein the inner node configuration further comprises:

a first node type and a second node type;

wherein the set of instructions further contains instructions that when executed causes the system to:

toggle the first node type and the second node type.

3 . A system for gathering geophysical data comprising:

a master processor, having a master processor memory;

a plurality of node processors, having a plurality of node processor memories;

the master processor memory and the plurality of node processor memories containing a set of instructions, that when executed cause the system to:

configure the plurality of node processors in a first array topology;

acquire a first set of geophysical data, in the first array topology;

configure the plurality of node processors in a second array topology;

acquire a second set of geophysical data, in the second array topology; and

report the first set of geophysical data and the second set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a third array topology;

acquire a third set of geophysical data in the third array topology; and

report the third set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a fourth array topology;

acquire a fourth set of geophysical data in the fourth array topology; and

report the fourth set of geophysical data;

wherein each of the first array topology, the second array topology, the third array topology and the fourth array topology is one of a group of a Wenner array topology, a Schlumberger array topology, a dipole-dipole array topology and a pole-dipole array topology; and

wherein the Schlumberger array topology further comprises:

an inner node configuration, of the plurality of node processors, for voltage measurement; and

an outer node configuration, of the plurality of node processors, adjacent the inner node configuration of node processors, for current injection;

wherein the set of instructions further contains instructions that when executed causes the system to:

advance a first node type, of the outer node configuration, across a downstream set of node processors, of the plurality of node processors; and

advance a second node type, of the outer node configuration, across an upstream set of node processors, of the plurality of node processors.

4 . The system of claim 3 wherein the set of instructions further contains instructions that when executed causes the system to:

toggle the first node type and the second node type.

5 . The system of claim 3 wherein the set of instructions further contains instructions that when executed causes the system to:

advancing a third node type, of the inner node configuration, across the downstream set of node processors, of the plurality of node processors; and

advancing a fourth node type, of the inner node configuration, across the upstream set of node processors, of the plurality of node processors.

6 . A system for gathering geophysical data comprising:

a master processor, having a master processor memory;

a plurality of node processors, having a plurality of node processor memories;

the master processor memory and the plurality of node processor memories containing a set of instructions, that when executed cause the system to:

configure the plurality of node processors in a first array topology;

acquire a first set of geophysical data, in the first array topology;

configure the plurality of node processors in a second array topology;

acquire a second set of geophysical data, in the second array topology; and

report the first set of geophysical data and the second set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a third array topology;

acquire a third set of geophysical data in the third array topology; and

report the third set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a fourth array topology;

acquire a fourth set of geophysical data in the fourth array topology; and

report the fourth set of geophysical data;

wherein each of the first array topology, the second array topology, the third array topology and the fourth array topology is one of a group of a Wenner array topology, a Schlumberger array topology, a dipole-dipole array topology and a pole-dipole array topology; and

wherein the pole-dipole array topology further comprises:

a pair of voltage measurement node configurations, of the plurality of node processors; and

a current injection node configuration, of the plurality of node processors, adjacent the pair of voltage measurement node configurations;

wherein the set of instructions further contains instructions that when executed causes the system to:

advance the pair of voltage measurement node configurations, of the plurality of node processors, across a measurement subset of the plurality of node processors.

7 . The system of claim 6 wherein the set of instructions further contains instructions that when executed causes the system to:

advance the current injection node configuration, of the plurality of node processors, across a current injection subset of the plurality of node processors.

8 . The system of claim 7 wherein the set of instructions further contains instructions that when executed causes the system to:

toggle the pair of voltage measurement node configurations.

9 . A system for gathering geophysical data comprising:

a master processor, having a master processor memory;

a plurality of node processors, having a plurality of node processor memories;

the master processor memory and the plurality of node processor memories containing a set of instructions, that when executed cause the system to:

configure the plurality of node processors in a first array topology;

acquire a first set of geophysical data, in the first array topology;

configure the plurality of node processors in a second array topology;

acquire a second set of geophysical data, in the second array topology; and

report the first set of geophysical data and the second set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a third array topology;

acquire a third set of geophysical data in the third array topology; and

report the third set of geophysical data;

wherein the set of instructions further contains instructions that when executed causes the system to:

configure the plurality of node processors in a fourth array topology;

acquire a fourth set of geophysical data in the fourth array topology; and

report the fourth set of geophysical data;

wherein each of the first array topology, the second array topology, the third array topology and the fourth array topology is one of a group of a Wenner array topology, a Schlumberger array topology, a dipole-dipole array topology and a pole-dipole array topology; and

wherein the dipole-dipole array topology further comprises:

a pair of current injection node configurations, of the plurality of node processors; and

a pair of measurement node configurations, of the plurality of node processors, adjacent the pair of current injection node configurations;

wherein the set of instructions further contains instructions that when executed causes the system to:

advance the pair of voltage measurement node configurations, of the plurality of node processors, across a measurement subset of the plurality of node processors.

10 . The system of claim 9 wherein the set of instructions further contains instructions that when executed causes the system to:

toggle the pair of measurement node configurations.

11 . The system of claim 9 wherein the set of instructions further contains instructions that when executed causes the system to:

advance the pair of current node configurations, of the plurality of node processors, across a current injection subset of the plurality of node processors.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 16, 2025
From: EARTHSYSTEMS TECHNOLOGIES, INC.
To: EARTHSYSTEMS TECHNOLOGIES OPERATING LLC
Reel/Frame 070861/0714 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 7, 2022
From: BRYANT, JOHN; SAVAGE, FREDERICK HERSHEL; BEETS, TIMOTHY
To: EARTHSYSTEMS TECHNOLOGIES, INC.
Reel/Frame 059535/0979 →
Continuity (3)
Continuation 16948059 · Aug 28, 2020
Continuation 16948061 · Aug 28, 2020
Continuation 16948062 · Aug 28, 2020
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