Qiang Wang

METHOD AND SYSTEM FOR POSITIONING A TRAJECTORY OF AN ULTRASONIC LOGGING TOOL

Intelligent maintenance and repair robot for small diameter and small flow oil and gas pipelines and method thereof

Experimental method for determining flow patterns in vertical wellbore of gas wells at high-pressure conditions

Construction method for upright lifting of large-tonnage box girder to bridge, and erection method for large-tonnage box girder

Device for jet packing and fracturing and tubular column comprising same

Tool for opening sliding sleeve

Method for simulating the discontinuity of the hydraulic fracture wall in fractured reservoirs

Testing device and method for simulating the flowback in the shut-in period of fractured wells

Method for predicting the optimal shut-in duration by coupling fluid flow and geological stress

Experimental apparatus and method for simulating transport of sand-carrying fluid in fracturing fractures

Antenna, Lighting System, And Communications System

Multi-functional drilling experiment platform

Sliding groove type friction pendulum high-pier bridge seismic mitigation and isolation bearing

ANTENNA ARRAY AND NETWORK DEVICE

Antenna and Active Antenna System

Multi-beam antenna system and phase adjustment method for multi-beam antenna system, and dual-polarized antenna system

NxN parallel optical transceiver

Dual-polarized antenna and antenna array

Integrated lens with multiple optical structures and vent hole

Integrated lens with multiple optical structures and vent hole

Multi-channel, parallel transmission optical module, and methods of making and using the same

Dual beamsplitting element based excimer laser pulse stretching device

Method for terminal inactivation of pathogenic microorganisms

METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION

Method and apparatus for wirelessly receiving power