P

Inventor

XU JIANHUI

SA39 patents
⚠️ This page may combine multiple inventors who share the name “XU JIANHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAUDI ARABIAN OIL CO

33 patents
US11668185B2Jun 6, 2023

In-cutter sensor LWD tool and method

SAUDI ARABIAN OIL CO8 citations85
US11898436B2Feb 13, 2024

Method and apparatus for downhole charging, initiation, and release of drilling micro sensing systems (microchips)

SAUDI ARABIAN OIL CO2 citations72
US11828163B2Nov 28, 2023

Piston-based drilling microchips release system

SAUDI ARABIAN OIL CO2 citations72
US11828165B2Nov 28, 2023

In-cutter sensor LWD tool and method

SAUDI ARABIAN OIL CO3 citations72
US11725498B2Aug 15, 2023

Method and apparatus for downhole charging and initiation of drilling microchips

SAUDI ARABIAN OIL CO2 citations72
US11536113B1Dec 27, 2022

Hollow design for controlled release of downhole sensors

SAUDI ARABIAN OIL CO5 citations72
US11486202B2Nov 1, 2022

Real-time polycrystalline diamond compact (PDC) bit condition evaluation using acoustic emission technology during downhole drilling

SAUDI ARABIAN OIL CO3 citations72
US11643899B1May 9, 2023

Device and method for light dissolvable encapsulation activation for downhole applications

SAUDI ARABIAN OIL CO2 citations71
US12146381B2Nov 19, 2024

Drilling stabilizers with dissolvable windows for controlled release of chemicals

SAUDI ARABIAN OIL CO0 citations62
US12042868B2Jul 23, 2024

Producing catalyst-free PDC cutters

SAUDI ARABIAN OIL CO0 citations62
US11898437B2Feb 13, 2024

Method and system for determining fluid level change using pressure monitoring of annular gas

SAUDI ARABIAN OIL CO0 citations62
US11867055B2Jan 9, 2024

Method and system for construction of artificial intelligence model using on-cutter sensing data for predicting well bit performance

SAUDI ARABIAN OIL CO1 citations62
US11851977B2Dec 26, 2023

Drilling stabilizers with dissolvable windows for controlled release of chemicals

SAUDI ARABIAN OIL CO0 citations62
US11686196B2Jun 27, 2023

Downhole actuation system and methods with dissolvable ball bearing

SAUDI ARABIAN OIL CO1 citations62
US11680883B2Jun 20, 2023

Sensors to evaluate the in-situ property of cutting element during wear test

SAUDI ARABIAN OIL CO0 citations62
US11566988B2Jan 31, 2023

In-situ property evaluation of cutting element using acoustic emission technology during wear test

SAUDI ARABIAN OIL CO0 citations62
US11454082B2Sep 27, 2022

Engineered composite assembly with controllable dissolution

SAUDI ARABIAN OIL CO1 citations62
US12166168B2Dec 10, 2024

Electrolyte structure for a high-temperature, high-pressure lithium battery

SAUDI ARABIAN OIL CO0 citations61
US11631884B2Apr 18, 2023

Electrolyte structure for a high-temperature, high-pressure lithium battery

SAUDI ARABIAN OIL CO0 citations61
US11624240B2Apr 11, 2023

Fluidic pulse activated agitator

SAUDI ARABIAN OIL CO0 citations61
US12024470B2Jul 2, 2024

Fabrication of downhole drilling tools

SAUDI ARABIAN OIL CO0 citations60
US11702741B2Jul 18, 2023

Producing polycrystalline diamond compact cutters with coatings

SAUDI ARABIAN OIL CO0 citations60
US11619094B1Apr 4, 2023

Systems and methods for employing multiple downhole drilling motors

SAUDI ARABIAN OIL CO0 citations60
US11898422B2Feb 13, 2024

Diamond coating on the cone for expandable tubulars

SAUDI ARABIAN OIL CO0 citations57
US11808089B2Nov 7, 2023

Coatings to prevent cutter loss in steel body PDC downhole tools

SAUDI ARABIAN OIL CO0 citations57
US11933136B2Mar 19, 2024

Dissolvable balls for activation and deactivation of a circulating sub apparatus

SAUDI ARABIAN OIL CO0 citations52
US11814933B2Nov 14, 2023

Actuation of downhole devices

SAUDI ARABIAN OIL CO0 citations52
US11859449B2Jan 2, 2024

Systems for a dissolvable material based downhole tool

SAUDI ARABIAN OIL CO0 citations51
US11846151B2Dec 19, 2023

Repairing a cased wellbore

SAUDI ARABIAN OIL CO0 citations51
US12270256B2Apr 8, 2025

Refreshable polycrystalline diamond compact (PDC) drill bits

SAUDI ARABIAN OIL CO0 citations50
US12188342B2Jan 7, 2025

Intelligent drilling system with external stationary sensing shield

SAUDI ARABIAN OIL CO0 citations50
US11913295B2Feb 27, 2024

System and method for plugging a lost-circulation zone in a subsurface formation

SAUDI ARABIAN OIL CO0 citations50
US11821263B2Nov 21, 2023

Reversible polycrystalline diamond compact bit

SAUDI ARABIAN OIL CO0 citations44

CNPC USA CORP

3 patents

WANG ZHIKUN

1 patent

XU JIANHUI

1 patent

GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACADEMY OF SCIENCES

1 patent