Inventor · disambiguated record
Yucai Shi
Also filed as: SHI YUCAI
7 granted patents·1 pending application·5 citations·filing 2012–2024
71Inventor score
Technology areasE21B
Top patents by PatentIndex Score
8 records- 0176US10233695B2Weight-on-bit self-adjusting drill bitUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Mar 19, 2019·4 cites·16 claims
- 0262US10718176B2Drilling speed improvement device capable of producing both hydraulic pulse and impact vibrationUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Jul 21, 2020·1 cites·3 claims
- 0343US2023323769A1Near-bit multi-parameter downhole measurement and control system while drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2023·Application pending·0 cites
- 0440US12276191B2Electromagnetic reversal downhole pressure intensifierUNIV CHINA PETROLEUM EAST CHINA·Filed 2024·Granted Apr 15, 2025·0 cites·7 claims
- 0537US10815743B2Depressuriz od for downhole annulus drilling fluidUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Oct 27, 2020·0 cites·15 claims
- 0630US10927607B2Drilling speed increasing device driven by downhole motor for generating shock vibrationUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Feb 23, 2021·0 cites·1 claims
- 0729US10801282B2Screw drill bypass valve with large displacement diversion functionUNIV CHINA PETROLEUM EAST CHINA·Filed 2018·Granted Oct 13, 2020·0 cites·2 claims
- 0826US9540881B2Method and system for improving drilling speed by using drill speed vibrationGUAN ZHICHUAN·Filed 2012·Granted Jan 10, 2017·0 cites·13 claims
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