Inventor

PEI XIAOHAN

CN3 patents

Patents

3 patents

US9828831B2Nov 28, 2017

Bridge type concentric continuously adjustable water distributor

PETROCHINA CO LTD0 citations44

US10890052B2Jan 12, 2021

Downhole power generation device and separate-zone waterflooding device

PETROCHINA CO LTD0 citations43

US9874089B2Jan 23, 2018

Bridge type concentric direct reading testing and commissioning instrument

PETROCHINA CO LTD0 citations34