Patent Assignment
Reel/Frame 040765/0845
Assignment of Assignor's Interest
Recorded: 2016-11-30
Pages: 4
Assignors
ZHANG, YANPING
Executed: 2016-11-22
LI, XUEHUI
Executed: 2016-11-22
WU, QIANLI
Executed: 2016-11-22
YU, YONGLIANG
Executed: 2016-11-22
CAO, CHUAN
Executed: 2016-11-22
LV, MINGJIE
Executed: 2016-11-22
JIA, TAO
Executed: 2016-11-22
YANG, YI
Executed: 2016-11-22
Assignees
CHINA NATIONAL PETROLEUM CORPORATION
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT, BEIJING, CHINA
CNPC DRILLING RESEARCH INSTITUTE
4F, BUILDING A, BLOCK A34, CNPC INNOVATION BASE, XISHATUN BRIDGE WEST, SHAHE TOWN, CHANGPING DISTRICT, BEIJING, 1002206, CHINA
Covered Property
(1)
Casing Windowing Method and Tool Using Coiled Tubing