US 12,336,081 B2
Fracturing well site system
Kaishen Liu, Yantai (CN); Shouzhe Li, Yantai (CN); and Zhuqing Mao, Yantai (CN)
Assigned to YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD., Yantai (CN)
Filed by YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD., Yantai (CN)
Filed on Jul. 20, 2022, as Appl. No. 17/869,526.
Application 17/869,526 is a continuation of application No. 17/325,955, filed on May 20, 2021, granted, now 11,596,047.
Claims priority of application No. 202120706298.3 (CN), filed on Apr. 7, 2021.
Prior Publication US 2022/0361309 A1, Nov. 10, 2022
Int. Cl. H05F 3/00 (2006.01); E21B 43/26 (2006.01); H02G 13/00 (2006.01); H02H 7/06 (2006.01); H05F 3/02 (2006.01)
CPC H05F 3/02 (2013.01) [E21B 43/2607 (2020.05); H02G 13/40 (2013.01); H02H 7/06 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A fracturing system, comprising an electrical apparatus, an electric-power supply apparatus, and a lightning protection apparatus, wherein:
the lightning protection apparatus comprises one or more auxiliary lightning protection apparatuses disposed on at least one of the electrical apparatus and the electric-power supply apparatus;
each of the one or more auxiliary lightning protection apparatuses is grounded through a grounding terminal directly connected with at least one of the electrical apparatus and the electric-power supply apparatus; and
the grounding terminal is buried under a ground level and comprises a conductive material coated with an anti-corrosion coating.