P

Inventor

HEISIG GERALD

DE11 patents
⚠️ This page may combine multiple inventors who share the name “HEISIG GERALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER HUGHES INC

4 patents
US7503403B2Mar 17, 2009

Method and apparatus for enhancing directional accuracy and control using bottomhole assembly bending measurements

BAKER HUGHES INC64 citations96
US8011450B2Sep 6, 2011

Active bottomhole pressure control with liner drilling and completion systems

BAKER HUGHES INC29 citations92
US7650241B2Jan 19, 2010

Use of the dynamic downhole measurements as lithology indicators

BAKER HUGHES INC40 citations91
US7591314B2Sep 22, 2009

Measurement-while-fishing tool devices and methods

BAKER HUGHES INC19 citations86

SCIENT DRILLING INT INC

4 patents
US10018004B2Jul 10, 2018

Method and apparatus for casing entry

SCIENT DRILLING INT INC6 citations67
US9523244B2Dec 20, 2016

Drill bit for a drilling apparatus

SCIENT DRILLING INT INC2 citations61
US12523114B2Jan 13, 2026

Alignable guidance device for casing entry milling and cementing operations

SCIENT DRILLING INT INC0 citations50
US9915099B2Mar 13, 2018

Drill bit for a drilling apparatus

SCIENT DRILLING INT INC0 citations50

HEISIG GERALD

2 patents
US9598906B2Mar 21, 2017

Method and apparatus for vibrating horizontal drill string to improve weight transfer

HEISIG GERALD0 citations45
US9200510B2Dec 1, 2015

System and method for estimating directional characteristics based on bending moment measurements

HEISIG GERALD0 citations35

SCIENT DRILLING INT

1 patent
US9093875B2Jul 28, 2015

Downhole apparatus for electrical power generation from shaft flexure

SCIENT DRILLING INT0 citations44