Membership
Tour
Register
Log in
Zhiguo REN
Follow
Person
Shanghai, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Rotary steerable drilling system with active stabilizer
Patent number
11,591,860
Issue date
Feb 28, 2023
Baker Hughes Oilfield Operations LLC
Zhiguo Ren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary steerable drilling system and method with imbalanced force c...
Patent number
11,105,155
Issue date
Aug 31, 2021
Baker Hughes Oilfield Operations LLC
Zhiguo Ren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid rotary steerable system and method
Patent number
11,028,646
Issue date
Jun 8, 2021
General Electric Company
Zhiguo Ren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Auto-adjustable directional drilling apparatus and method
Patent number
10,995,554
Issue date
May 4, 2021
General Electric Company
Zhiguo Ren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Steering system and method
Patent number
10,550,643
Issue date
Feb 4, 2020
Baker Hughes Oilfield Operations LLC
Zhiguo Ren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Power integrated system and method for drilling rig and oil/gas pro...
Patent number
10,018,044
Issue date
Jul 10, 2018
General Electric Company
Lishun Hu
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
ROTARY STEERABLE DRILLING SYSTEM WITH ACTIVE STABILIZER
Publication number
20210254415
Publication date
Aug 19, 2021
Baker Hughes Oilfield Operations LLC
Zhiguo Ren
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY STEERABLE DRILLING SYSTEM WITH ACTIVE STABILIZER
Publication number
20200024913
Publication date
Jan 23, 2020
GENERAL ELECTRIC COMPANY
Zhiguo REN
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID ROTARY STEERABLE SYSTEM AND METHOD
Publication number
20190376344
Publication date
Dec 12, 2019
GENERAL ELECTRIC COMPANY
Zhiguo REN
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY STEERABLE DRILLING SYSTEM AND METHOD WITH IMBALANCED FORCE C...
Publication number
20190352969
Publication date
Nov 21, 2019
GENERAL ELECTRIC COMPANY
Zhiguo REN
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTO-ADJUSTABLE DIRECTIONAL DRILLING APPARATUS AND METHOD
Publication number
20190338596
Publication date
Nov 7, 2019
GENERAL ELECTRIC COMPANY
Zhiguo REN
E21 - EARTH DRILLING MINING
Information
Patent Application
MEASUREMENT-WHILE-DRILLING DEVICE AND METHOD
Publication number
20180051550
Publication date
Feb 22, 2018
GENERAL ELECTRIC COMPANY
Zhiguo REN
E21 - EARTH DRILLING MINING
Information
Patent Application
STEERING SYSATEM AND METHOD
Publication number
20170350191
Publication date
Dec 7, 2017
GENERAL ELECTRIC COMPANY
Zhiguo REN
E21 - EARTH DRILLING MINING
Information
Patent Application
POWER INTEGRATED SYSTEM AND METHOD FOR DRILLING RIG AND OIL/GAS PRO...
Publication number
20150233213
Publication date
Aug 20, 2015
GENERAL ELECTRIC COMPANY
Lishun HU
E21 - EARTH DRILLING MINING