Inventor

PORTMAN LANCE N

CA4 patents

⚠️ This page may combine multiple inventors who share the name “PORTMAN LANCE N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BJ SERVICES CO

2 patents

US6561289B2May 13, 2003

Bottomhole assembly and methods of use

BJ SERVICES CO84 citations95

US6772847B2Aug 10, 2004

Chemically enhanced drilling methods

BJ SERVICES CO24 citations91

(unassigned)

1 patent

US6209652B1Apr 3, 2001

Deployment system method and apparatus for running bottomhole assemblies in wells, particularly applicable to coiled tubing operations

56 citations92

MISSELBROOK JOHN GORDON

1 patent

US8205672B2Jun 26, 2012

Acid tunneling bottom hole assembly and method utilizing reversible knuckle joints

MISSELBROOK JOHN GORDON2 citations54