Inventor
YOKLEY JOHN M
US21 patents
⚠️ This page may combine multiple inventors who share the name “YOKLEY JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRIL QUIP INC
10 patentsUS6739398B1May 25, 2004
Liner hanger running tool and method
DRIL QUIP INC134 citations99
US6681860B1Jan 27, 2004
Downhole tool with port isolation
DRIL QUIP INC93 citations99
US6575238B1Jun 10, 2003
Ball and plug dropping head
DRIL QUIP INC88 citations99
US6666276B1Dec 23, 2003
Downhole radial set packer element
DRIL QUIP INC76 citations98
US6655456B1Dec 2, 2003
Liner hanger system
DRIL QUIP INC15 citations92
US7686090B2Mar 30, 2010
Liner hanger tool with re-latchable cementing bushing
DRIL QUIP INC14 citations84
US9080404B2Jul 14, 2015
Method and system for interventionless hydraulic setting of equipment when performing subterranean operations
DRIL QUIP INC12 citations81
US6712152B1Mar 30, 2004
Downhole plug holder and method
DRIL QUIP INC12 citations74
US6698513B1Mar 2, 2004
Apparatus for use in cementing an inner pipe within an outer pipe within a wellbore
DRIL QUIP INC4 citations74
US9982504B2May 29, 2018
Mechanical hold-down assembly for a well tie-back string
DRIL QUIP INC2 citations66
SMITH INTERNATIONAL
4 patentsUS5472055ADec 5, 1995
Liner hanger setting tool
SMITH INTERNATIONAL136 citations97
US5884702AMar 23, 1999
Liner assembly and method
SMITH INTERNATIONAL62 citations94
US6009943AJan 4, 2000
Liner assembly and method
SMITH INTERNATIONAL27 citations91
US5887660AMar 30, 1999
Liner packer assembly and method
SMITH INTERNATIONAL43 citations87