Membership
Tour
Register
Log in
Jerlib J. LEAL
Follow
Person
Houston, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Annular isolation device for managed pressure drilling
Patent number
10,012,044
Issue date
Jul 3, 2018
Weatherford Technology Holdings, LLC
John Vinh Leba
E21 - EARTH DRILLING MINING
Information
Patent Grant
Continuous flow system for drilling oil and gas wells
Patent number
10,006,262
Issue date
Jun 26, 2018
Weatherford Technology Holdings, LLC
Ram K. Bansal
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
ANNULAR ISOLATION DEVICE FOR MANAGED PRESSURE DRILLING
Publication number
20160138352
Publication date
May 19, 2016
WEATHERFORD TECHNOLOGY HOLDING, LLC
John Vinh LEBA
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTINUOUS FLOW SYSTEM FOR DRILLING OIL AND GAS WELLS
Publication number
20150240582
Publication date
Aug 27, 2015
WEATHERFORD/LAMB, INC.
Ram K. BANSAL
E21 - EARTH DRILLING MINING