Coles; Randolph S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Coles; Randolph S..The latest application filed is for "sonic through tubing cement evaluation".
- Coles; Randolph S. - Spring TX
| Patent | Date |
|---|---|
| Pumpdown regulator Grant 11,118,425 - Harrigan , et al. September 14, 2 | 2021-09-14 |
| Sonic Through Tubing Cement Evaluation App 20210123731 - Chang; Chung ; et al. | 2021-04-29 |
| Pumpdown Regulator App 20210054718 - Harrigan; Edward ; et al. | 2021-02-25 |
| Apparatus and methods for monitoring the retrieval of a well tool Grant 10,323,508 - Coles , et al. | 2019-06-18 |
| Calibration resistivity tools in environments with radio-frequency noise Grant 9,766,372 - Coles September 19, 2 | 2017-09-19 |
| System and method for wireline tool pump-down operations Grant 9,657,540 - Coles , et al. May 23, 2 | 2017-05-23 |
| Device for measuring and transmitting downhole tension Grant 9,410,419 - Coles August 9, 2 | 2016-08-09 |
| Apparatus And Methods For Monitoring The Retrieval Of A Well Tool App 20160003033 - COLES; Randolph S. ; et al. | 2016-01-07 |
| Calibration Resistivity Tools In Environments With Radio-frequency Noise App 20160003971 - Coles; Randolph S. | 2016-01-07 |
| Downhole tool string braking Grant 9,217,305 - Coles , et al. December 22, 2 | 2015-12-22 |
| Wellbore isolation devices and methods of use to prevent pump offs Grant 9,187,970 - Coles , et al. November 17, 2 | 2015-11-17 |
| Downhole Tool String Braking App 20150285017 - Coles; Randolph S. ; et al. | 2015-10-08 |
| Wellbore Isolation Devices And Methods Of Use To Prevent Pump Offs App 20150275624 - Coles; Randolph S. ; et al. | 2015-10-01 |
| Automated diversion valve control for pump down operations Grant 9,109,415 - Coles August 18, 2 | 2015-08-18 |
| System and Method for Wireline Tool Pump-Down Operations App 20150167414 - Coles; Randolph S. ; et al. | 2015-06-18 |
| Device For Measuring And Transmitting Downhole Tension App 20150083408 - Coles; Randolph S. | 2015-03-26 |
| Automated Diversion Valve Control For Pump Down Operations App 20140374089 - Coles; Randolph S. | 2014-12-25 |
| System and method for correcting downhole speed Grant 8,875,785 - Coles November 4, 2 | 2014-11-04 |
| A System and Method for Correcting Downhole Speed App 20140202691 - Coles; Randolph S. | 2014-07-24 |
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