Robert R. Olman

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Washington, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Downhole cement flow
- Patent number 10,689,946
- Issue date Jun 23, 2020
- Schlumberger Technology Corporation
- Malcolm Perschke
- G05 - CONTROLLING REGULATING
Information Patent Grant
Downhole cement flow
- Patent number 10,519,743
- Issue date Dec 31, 2019
- Schlumberger Technology Corporation
- Malcolm Perschke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole cement flow
- Patent number 10,227,843
- Issue date Mar 12, 2019
- Schlumberger Technology Corporation
- Malcolm Perschke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liner assembly and method
- Patent number 6,009,943
- Issue date Jan 4, 2000
- Smith International, Inc.
- John M. Yokley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liner packer assembly and method
- Patent number 5,887,660
- Issue date Mar 30, 1999
- Smith International, Inc.
- John M. Yokley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liner assembly and method
- Patent number 5,884,702
- Issue date Mar 23, 1999
- Smith International, Inc.
- John M. Yokley
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE CEMENT FLOW
- Publication number 20190203561
- Publication date Jul 4, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Malcolm Perschke
- G05 - CONTROLLING REGULATING
Information Patent Application
DOWNHOLE CEMENT FLOW
- Publication number 20190203560
- Publication date Jul 4, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Malcolm Perschke
- G05 - CONTROLLING REGULATING
Information Patent Application
DOWNHOLE CEMENT FLOW
- Publication number 20160222756
- Publication date Aug 4, 2016
- Malcolm Perschke
- E21 - EARTH DRILLING MINING