Inventor
DARNELL WILLIAM JOHN
US19 patents
⚠️ This page may combine multiple inventors who share the name “DARNELL WILLIAM JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PETROQUIP ENERGY SERVICES LLP
11 patentsUS7428932B1Sep 30, 2008
Completion system for a well
PETROQUIP ENERGY SERVICES LLP35 citations91
US7392839B1Jul 1, 2008
Single line sliding sleeve downhole tool assembly
PETROQUIP ENERGY SERVICES LLP9 citations82
US8567509B1Oct 29, 2013
Downhole tool
PETROQUIP ENERGY SERVICES LLP7 citations81
US7926580B1Apr 19, 2011
Coiled tubing multi-zone jet frac system
PETROQUIP ENERGY SERVICES LLP17 citations80
US7464759B1Dec 16, 2008
Method for flowing fluid into or from a well
PETROQUIP ENERGY SERVICES LLP8 citations72
US7926569B1Apr 19, 2011
Bypass device for wellbores
PETROQUIP ENERGY SERVICES LLP6 citations61
US7422065B1Sep 9, 2008
System for controlling zones of fluid in and out of a wellbore
PETROQUIP ENERGY SERVICES LLP6 citations61
US7373970B1May 20, 2008
Pin connector with seal assembly
PETROQUIP ENERGY SERVICES LLP4 citations61
US7926595B1Apr 19, 2011
Filter sub
PETROQUIP ENERGY SERVICES LLP0 citations40
US7628211B1Dec 8, 2009
Method of connecting control lines to well bore equipment for controlling a well on a batch basis
PETROQUIP ENERGY SERVICES LLP0 citations40
US7516783B2Apr 14, 2009
Double pin connector and hydraulic connect with seal assembly
PETROQUIP ENERGY SERVICES LLP0 citations40