The wellhead cable penetrator is a kind of device for penetrating the tubing hanger and upper flange to connect the electric submersible pump and surface power at the production wellhead of ESP.

• 井口电缆穿越器是电潜泵采油井口上用于贯穿油管挂和上法兰,并连接电潜泵和井上电源的一种装置。