Estimating contamination during focused sampling
US-10975693-B2 · Apr 13, 2021 · US
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Lee Ryan Sangjun patents
Lee Ryan Sangjun is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lee Ryan Sangjun |
| Total patents | 28 |
| First publication | Jun 18, 2015 |
| Latest publication | Apr 13, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Flow regime identification with filtrate contamination monitoring
US-10858935-B2 · Dec 8, 2020 · US
Downhole real-time filtrate contamination monitoring
US-10738606-B2 · Aug 11, 2020 · US
Single packer inlet configurations
US-10718209-B2 · Jul 21, 2020 · US
Downhole filtrate contamination monitoring
US-10585082-B2 · Mar 10, 2020 · US
Estimating Contamination During Focused Sampling
US-2020072047-A1 · Mar 5, 2020 · US
Flow regime identification with filtrate contamination monitoring
US-10577928-B2 · Mar 3, 2020 · US
Estimating contamination during focused sampling
US-10472960-B2 · Nov 12, 2019 · US
Downhole Real-Time Filtrate Contamination Monitoring
US-2019264560-A1 · Aug 29, 2019 · US
Cleanup model parameterization, approximation, and sensitivity
US-10352162-B2 · Jul 16, 2019 · US
Recent patents
Latest publications not already listed above.
Applying shrinkage factor to real-time OBM filtrate contamination monitoring
US-10352161-B2 · Jul 16, 2019 · US
Downhole real-time filtrate contamination monitoring
US-10316656-B2 · Jun 11, 2019 · US
Data extraction for OBM contamination monitoring
US-10294785-B2 · May 21, 2019 · US
Systems and methods for controlling flow rate in a focused downhole acquisition tool
US-10294784-B2 · May 21, 2019 · US
Single packer inlet configurations
US-2019145254-A1 · May 16, 2019 · US
Single packers inlet configurations
US-10184335-B2 · Jan 22, 2019 · US
Systems and Methods for Controlling Flow Rate in a Focused Downhole Acquisition Tool
US-2017152743-A1 · Jun 1, 2017 · US
Downhole Filtrate Contamination Monitoring
US-2016319662-A1 · Nov 3, 2016 · US
Packer tool including multiple port configurations
US-9422811-B2 · Aug 23, 2016 · US
Cleanup Model Parameterization, Approximation, and Sensitivity
US-2016216404-A1 · Jul 28, 2016 · US
Applying Shrinkage Factor to Real-Time OBM Filtrate Contamination Monitoring
US-2016186560-A1 · Jun 30, 2016 · US
Estimating Contamination During Focused Sampling
US-2016186562-A1 · Jun 30, 2016 · US
Data Extraction for OBM Contamination Monitoring
US-2016186559-A1 · Jun 30, 2016 · US
Flow Regime Identification with Filtrate Contamination Monitoring
US-2016090836-A1 · Mar 31, 2016 · US
Downhole Real-Time Filtrate Contamination Monitoring
US-2015308264-A1 · Oct 29, 2015 · US
Flow Regime Identification With Filtrate Contamination Monitoring
US-2015211361-A1 · Jul 30, 2015 · US
Packer Tool Including Multiple Port Configurations
US-2015176375-A1 · Jun 25, 2015 · US
Single Packers Inlet Configurations
US-2015167457-A1 · Jun 18, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Schlumberger Technology Corp | 28 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B49/0875 | 18 |
| E21B49/10 | 16 |
| E21B49/081 | 14 |
| E21B2049/085 | 14 |
| E21B49/08 | 6 |