Resistivity imaging system with compensator for parasitic impedances between electrodes and their conductive substrates
US-12092600-B2 · Sep 17, 2024 · US
using DC
using DC · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01V3/22 |
| Official title | using DC |
| Display label | using DC |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electromagnetic measurements in a curved wellbore
US-2024230944-A1 · Jul 11, 2024 · US
Accurate and cost-effective inversion-based auto calibration methods for resistivity logging tools
US-11940587-B2 · Mar 26, 2024 · US
Methods and systems of determining parameters characterizing porous media from data gathered by a plurality of different tools
US-11841476-B2 · Dec 12, 2023 · US
Accurate And Cost-Effective Inversion-Based Auto Calibration Methods For Resistivity Logging Tools
US-2023057184-A1 · Feb 23, 2023 · US
Resistivity Imaging System with Compensator for Parasitic Impedances between Electrodes and their Conductive Substrates
US-2023003677-A1 · Jan 5, 2023 · US
Ranging and resistivity evaluation using current signals
US-11402533-B2 · Aug 2, 2022 · US
System and method for dynamic measurement of streaming potential in a core plug
US-11385160-B2 · Jul 12, 2022 · US
System and method for dynamic measurement of streaming potential in a core plug
US-2021270714-A1 · Sep 2, 2021 · US
Downhole resistivity imaging pad with electrical leakage prevention
US-11035974-B1 · Jun 15, 2021 · US
Eddy-current responses in nested pipes
US-10662760-B2 · May 26, 2020 · US
Methods and systems of determining parameters characterizing porous media from data gathered by a plurality of different tools
US-2020110191-A1 · Apr 9, 2020 · US
Methods and systems for determining formation properties and pipe properties using ranging measurements
US-10386526-B2 · Aug 20, 2019 · US
System and method to improve accuracy of galvanic tool measurements
US-10302797-B2 · May 28, 2019 · US
Methods And Systems For Determining Formation Properties And Pipe Properties Using Ranging Measurements
US-2019113648-A1 · Apr 18, 2019 · US
Eddy-current responses in nested pipes
US-2018313207-A1 · Nov 1, 2018 · US
Ranging and resistivity evaluation using current signals
US-2018239043-A1 · Aug 23, 2018 · US
Ranging to an electromagnetic target without timing
US-2017362927-A1 · Dec 21, 2017 · US
Subsurface data transfer using well fluids
US-9828851-B1 · Nov 28, 2017 · US
Time-lapse time-domain reflectometry for tubing and formation monitoring
US-9798035-B2 · Oct 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01V3/22?
- CPC G01V3/22 is the Cooperative Patent Classification code for “using DC.”
- How many patents are filed under CPC G01V3/22 (using DC)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC G01V3/22 growing?
- Publication counts under this code: 3 in 2023 vs 3 in 2024 (latest complete years).