IP Library › Granted Patent US 12,449,409
Granted Patent B2
US 12,449,409 · App. 16/972,156 · Granted Oct 21, 2025

Emissions estimate model algorithms and methods

Inventors: Brendan James Smith (Lakeway, TX); Anders Andelman Nottrott (Santa Barbara, CA); Andrew David Aubrey (Austin, TX)
Assignee: SeekOps Inc.
G01N33/0062B64D47/00H04L5/0044B64U10/14B64U2101/26B64U2101/35B64U2201/104B64U2201/20
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Quick Facts
Patent No.
US 12,449,409
App. No.
16/972,156
Granted
Oct 21, 2025
Kind
B2
Abstract

Systems, devices, and methods including a processor having addressable memory, the processor configured to: receive an unmanned aerial vehicle (UAV) data packet, where the UAV data packet comprises methane concentration data and UAV information from a UAV flight path; receive at least one Meteorological data packet, where the Meteorological data packet comprises weather data; combine the UAV data packet with a nearest Meteorological data packet; and determine a methane emission rate of a methane source based on the combined UAV data packet and the nearest Meteorological data packet.

Claims (60)

1. A system, comprising:

a processor having addressable memory, the processor configured to determine an unmanned aerial vehicle (UAV) flight path of a UAV, wherein the UAV flight path is a raster grid pattern flight path, wherein the UAV flight path is downwind of a trace-gas source, wherein the UAV flight path forms a flight plane substantially perpendicular to an average wind direction, and wherein the UAV is configured to fly the determined UAV flight path that is determined by the processor; and

one or more trace-gas sensors mounted on the UAV and configured to measure a trace-gas released from the trace-gas source while the UAV flies the determined flight path and generates a trace-gas data packet, wherein the trace-gas data packet comprises a trace-gas concentration data along the determined UAV flight path and a location data for the one or more trace-gas sensors, wherein the location data is obtained from a location sensor, and wherein the location data for the trace-gas sensor comprises a trajectory of the trace-gas sensor in space;

wherein the processor is further configured to:

receive the trace-gas data packet;

receive at least one Meteorological data packet from one or more weather stations, each weather station configured to generate a Meteorological data packet comprising weather data, wherein the Meteorological data packet corresponds to each trace-gas data packet generated along the determined UAV flight path;

combine the trace-gas data packet with a selected spatial and temporal Meteorological data packet;

determine a trace-gas emission rate of the trace-gas source based on the combined trace-gas data packet and the selected Meteorological data packet, wherein determining the trace-gas emission rate further comprises:

converting formats of concentrations in the trace-gas concentration data along the determined UAV flight path, from volumetric concentrations to mass concentrations;

multiplying the mass concentrations in the flight plane by the corresponding wind speed at each height; and

forming a mass flux through the flight plane by integrating the multiplicated values over the entire flight plane; and

display the determined trace-gas emission rate of the trace-gas source on a map.

2. The system of claim 1 further comprising:

a display in communication with the processor, wherein the display is configured to show the determined trace-gas emission rate of the trace-gas source on a map.

3. The system of claim 2 , wherein the map is at least one of: a satellite image, an aerial image, a two-dimensional color map, a two-dimensional contour map, and a three-dimensional topographical surface.

4. The system of claim 1 , wherein the one or more trace-gas sensors detects methane gas.

5. The system of claim 1 , wherein the selected Meteorological data packet is a nearest spatial Meteorological data packet.

6. The system of claim 1 , wherein the selected Meteorological data packet is a nearest temporal Meteorological data packet.

7. The system of claim 1 , further comprising:

a payload of the one or more trace-gas sensors, wherein the payload comprises one or more in situ trace-gas concentration sensors configured to generate the trace-gas concentration data along the trajectory of the one or more trace-gas sensors in space.

8. The system of claim 7 wherein the location data comprises at least one of: a location of the one or more trace-gas sensors, a time corresponding to the location of the one or more trace-gas sensors, a barometric pressure, an altitude, a relative altitude, and an orientation of the one or more trace-gas sensors, and wherein the location data corresponds to the generated trace-gas concentration data along the trajectory of the one or more trace-gas sensors in space.

9. The system of claim 8 wherein the location of the one or more trace-gas sensors is determined by at least one of: a global positioning system (GPS) and a location sensor.

10. The system of claim 8 wherein the location of the one or more trace-gas sensors further comprises a detection of at least one of: an absolute altitude of the one or more trace-gas sensors and a relative altitude of the one or more trace-gas sensors.

11. The system of claim 8 wherein the orientation of the one or more trace-gas sensors is determined by at least one of: an inertial measurement unit (IMU) and an orientation sensor.

12. The system of claim 1 wherein the trace-gas data packet comprises: a global positioning system (GPS) location of the one or more trace-gas sensors, a time, a barometric pressure, an altitude of the one or more trace-gas sensors, and an orientation of the one or more trace-gas sensors corresponding to the generated trace-gas concentration data.

13. The system of claim 1 wherein the Meteorological Data Packet comprises data from: an anemometer, one or more pressure sensors, a pryanometer, a ground temperature sensor, an air temperature sensor, and a current atmospheric condition sensor, and wherein one or more weather stations are distal from the one or more trace-gas sensors.

14. The system of claim 8 wherein at least one of: a ground control station (GCS), a cloud server, the one or more trace-gas sensors, and the one or more weather stations comprises the processor.

15. The system of claim 1 wherein the determined trace-gas emission rate may be stored by at least one of: a ground control station (GCS) and a cloud server.

16. A method comprising:

determining, by a processor having addressable memory, an unmanned aerial vehicle (UAV) flight path of a UAV, wherein the UAV flight path is a raster grid pattern flight path, wherein the UAV flight path is downwind of a trace-gas source, and wherein the UAV flight path forms a flight plane substantially perpendicular to an average wind direction, wherein the UAV is configured to fly the determined UAV flight path from the processor;

measuring, by one or more trace-gas sensors mounted on the UAV, a trace-gas released from a trace-gas source while the UAV flies the determined flight path;

generating, by the one or more trace-gas sensors mounted on the UAV, a trace-gas data packet, wherein the trace-gas data packet comprises a trace-gas concentration data along the determined UAV flight path and a location data for the one or more trace-gas sensors, wherein the location data is obtained from a location sensor, and wherein the location data for the one or more trace-gas sensors comprises a trajectory of the one or more trace-gas sensors in space;

receiving, by the processor, the trace-gas data packet;

receiving, by the processor, two or more Meteorological data packets comprising weather data from two or more weather stations;

combining, by the processor, the trace-gas data packet with a selected spatial and temporal Meteorological data packet;

determining, by the processor, a trace-gas emission rate of a trace-gas source based on the combined trace-gas data packet and the selected Meteorological data packet, wherein determining the trace-gas emission rate further comprises:

converting formats of concentrations in the trace-gas concentration data along the determined UAV flight path, from volumetric concentrations to mass concentrations;

multiplying the mass concentrations in the flight plane by the corresponding wind speed at each height; and

forming a mass flux through the flight plane by integrating the multiplicated values over the entire flight plane; and

displaying the determined trace-gas emission rate of the trace-gas source on a map.

17. The method of claim 16 , wherein the UAV flight path forms the flight plane substantially perpendicular to a ground surface and the average wind direction.

18. The method of claim 16 wherein the UAV flight path is controlled by a user via a ground control station (GCS).

19. The method of claim 16 ,

wherein the trace-gas data packet comprises data from: a weather sensor, an onboard avionics, a barometric pressure sensor, an orientation sensor, an inertial measurement unit (IMU), a wireless radio, a global positioning system (GPS), a time measurement device, an altitude sensor, a location sensor, a radar, a lidar, an anemometer, and a Sonar;

wherein the Meteorological data packet comprises data from: an anemometer, one or more pressure sensors, a pryanometer, a ground temperature sensor, an air temperature sensor, and a current atmospheric condition sensor; and

wherein the two or more weather stations are distal from the one or more trace-gas sensors.

20. A system, comprising:

an unmanned aerial vehicle (UAV);

a payload of the UAV, wherein the payload comprises one or more in situ trace-gas concentration sensors configured to generate the trace-gas concentration data along a UAV flight path;

one or more trace-gas sensors of the UAV, wherein the one or more trace-gas sensors of the UAV are configured to measure a trace-gas released from a trace-gas source while the UAV flies the determined flight path and generate a trace-gas data packet, wherein the trace-gas data packet comprises a trace-gas concentration data along the determined UAV flight path and a location data for the trace-gas sensor, wherein the location data is obtained from a location sensor, and wherein the location data for the trace-gas sensor comprises a trajectory of the trace-gas sensor in space; and

a processor having addressable memory, the processor in communication with the UAV and one or more weather stations configured to generate a Meteorological data packet, wherein the Meteorological data packet comprises weather data from one or more sensors of the weather station, wherein the processor is configured to:

determine the UAV flight path of the UAV, wherein the UAV flight path is a raster grid pattern flight path, wherein the UAV flight path is downwind of the trace-gas source, wherein the UAV flight path forms a flight plane substantially perpendicular to an average wind direction, and wherein the UAV is configured to fly the determined UAV flight path from the processor;

receive the trace-gas data packet;

receive two or more Meteorological data packets from the two or more weather stations;

combine the trace-gas data packet with a selected spatial and temporal Meteorological data packet;

determine a trace-gas emission rate of the trace-gas source based on the combined trace-gas data packet and the nearest Meteorological data packet, wherein determining the trace-gas emission rate further comprises:

converting formats of concentrations in the trace-gas concentration data along the determined UAV flight path, from volumetric concentrations to mass concentrations;

multiplying the mass concentrations in the flight plane by the corresponding wind speed at each height; and

forming a mass flux through the flight plane by integrating the multiplicated values over the entire flight plane; and

display the determined trace-gas emission rate of the trace-gas source on a map via a display in communication with the processor.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 4, 2020
From: SMITH, BRENDAN JAMES; NOTTROTT, ANDERS ANDELMAN; AUBREY, ANDREW DAVID
To: SEEKOPS INC.
Reel/Frame 054545/0155 →
Continuity (2)
Provisional Application 62687147 · Jun 19, 2018
Related Publication 20210255158A1 · Aug 19, 2021
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