Inventor

HAO ZHONGTIAN

CN2 patents

Patents

2 patents

US11028658B2Jun 8, 2021

Horizontal-to-vertical drilling module for deep well

CHINA NAT OFFSHORE OIL CORP0 citations46

US10208736B2Feb 19, 2019

High-pressure fluid mixing pump control system and fluid suction control method

CHINA NAT OFFSHORE OIL CORP0 citations43