Application: This product is mainly used for logging, perforation and coring of various oil and gas wells, and can also be used for marine surveys, rivers, harbors, water conservancy and hydrological surveys, coal field geological exploration, geothermal logging, etc. It is an indispensable accessory product for perforating high-temperature wells and ultra-deep wells, and has excellent heat resistance.

Temperature Rating: Not lower than -30℃; short-term (the longest stay time is not more than 2h) not higher than 150℃.

Construction: WMF4B—4.7 Anti-overflow Hermetic Type Logging Cable Drawing