Inventor
HE YUFA
CN11 patents
⚠️ This page may combine multiple inventors who share the name “HE YUFA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV SOUTHWEST PETROLEUM
9 patentsUS11542789B2Jan 3, 2023
Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development
UNIV SOUTHWEST PETROLEUM2 citations69
US11506033B2Nov 22, 2022
Oil extraction and gas production method capable of in-situ sand control and removal by downhole hydraulic lift
UNIV SOUTHWEST PETROLEUM2 citations59
US11598180B2Mar 7, 2023
Experimental device and experimental method for natural gas hydrate solid-state fluidized mining and crushing
UNIV SOUTHWEST PETROLEUM0 citations50
US12060958B2Aug 13, 2024
Pure electric modular subsea test tree
UNIV SOUTHWEST PETROLEUM0 citations48
US11434727B2Sep 6, 2022
In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates
UNIV SOUTHWEST PETROLEUM0 citations48
US11946374B2Apr 2, 2024
Omni-directional horizontally orientaed deflecting tool for coiled tubing
UNIV SOUTHWEST PETROLEUM0 citations47
US11193333B2Dec 7, 2021
Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate
UNIV SOUTHWEST PETROLEUM0 citations47
US11255745B2Feb 22, 2022
Test device for simulating longitudinal-lateral-torsional coupled nonlinear vibration of drill string of deepwater riserless drilling and method therefor
UNIV SOUTHWEST PETROLEUM0 citations45
US10822927B2Nov 3, 2020
Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed
UNIV SOUTHWEST PETROLEUM0 citations39
SOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHANJIANG
2 patentsUS11746640B2Sep 5, 2023
Solid fluidization tubular separator for marine natural gas hydrate
SOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHANJIANG0 citations43
US11199050B2Dec 14, 2021
Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation
SOUTHERN MARINE SCIENCE AND ENG GUANGDONG LABORATORY ZHANJIANG0 citations43