P

Inventor

YUN JUSHIK

US26 patents
⚠️ This page may combine multiple inventors who share the name “YUN JUSHIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER TECHNOLOGY CORP

15 patents
US7912333B2Mar 22, 2011

Dual conductor fiber optic cable

SCHLUMBERGER TECHNOLOGY CORP19 citations90
US10087717B2Oct 2, 2018

Dual use cable with fiber optics for use in wellbore operations

SCHLUMBERGER TECHNOLOGY CORP8 citations81
US11387014B2Jul 12, 2022

Torque-balanced, gas-sealed wireline cables

SCHLUMBERGER TECHNOLOGY CORP6 citations74
US10249409B2Apr 2, 2019

Coated conductors

SCHLUMBERGER TECHNOLOGY CORP2 citations73
US10443339B2Oct 15, 2019

Elastomeric materials

SCHLUMBERGER TECHNOLOGY CORP6 citations71
US11158442B2Oct 26, 2021

Manufacturing techniques for a jacketed metal line

SCHLUMBERGER TECHNOLOGY CORP0 citations62
US12078035B2Sep 3, 2024

Elastomer alloy for intelligent sand management

SCHLUMBERGER TECHNOLOGY CORP0 citations60
US12559664B2Feb 24, 2026

Chemical compositions for geothermal well stimulation

SCHLUMBERGER TECHNOLOGY CORP0 citations59
US12590513B2Mar 31, 2026

Sand screen with a non-woven fiber polymer filter

SCHLUMBERGER TECHNOLOGY CORP0 citations56
US12398614B2Aug 26, 2025

High performance fluoroelastomer bonded seal for downhole applications

SCHLUMBERGER TECHNOLOGY CORP0 citations56
US11927082B2Mar 12, 2024

Non-metallic compliant sand control screen

SCHLUMBERGER TECHNOLOGY CORP0 citations56
US11156258B2Oct 26, 2021

Reactive super-elastic composite oilfield components

SCHLUMBERGER TECHNOLOGY CORP0 citations52
US10037836B2Jul 31, 2018

Slickline manufacturing techniques

SCHLUMBERGER TECHNOLOGY CORP0 citations51
US9496075B2Nov 15, 2016

Wireline cables not requiring seasoning

SCHLUMBERGER TECHNOLOGY CORP1 citations51
US9767938B2Sep 19, 2017

Cables and methods of making cables

SCHLUMBERGER TECHNOLOGY CORP0 citations40

VARKEY JOSEPH

7 patents

TEKNOR APEX CO

2 patents

SCHLUMBERGER TECHNOLOCY CORP

1 patent

WESTERNGECO LLC

1 patent