Inventor
XU ZHENG RONG
US14 patents
⚠️ This page may combine multiple inventors who share the name “XU ZHENG RONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
9 patentsUS6915848B2Jul 12, 2005
Universal downhole tool control apparatus and methods
SCHLUMBERGER TECHNOLOGY CORP150 citations97
US7762172B2Jul 27, 2010
Wireless perforating gun
SCHLUMBERGER TECHNOLOGY CORP95 citations94
US7331581B2Feb 19, 2008
Inflatable packers
SCHLUMBERGER TECHNOLOGY CORP34 citations92
US6422148B1Jul 23, 2002
Impermeable and composite perforating gun assembly components
SCHLUMBERGER TECHNOLOGY CORP21 citations92
US7793732B2Sep 14, 2010
Backpressure valve for wireless communication
SCHLUMBERGER TECHNOLOGY CORP11 citations83
US7735552B2Jun 15, 2010
Packer cups for use inside a wellbore
SCHLUMBERGER TECHNOLOGY CORP10 citations83
US7857067B2Dec 28, 2010
Downhole application for a backpressure valve
SCHLUMBERGER TECHNOLOGY CORP11 citations82
US7735568B2Jun 15, 2010
Packer cup systems for use inside a wellbore
SCHLUMBERGER TECHNOLOGY CORP8 citations82
US10392902B2Aug 27, 2019
Downhole tool anchoring system
SCHLUMBERGER TECHNOLOGY CORP0 citations49