This product is suitable for steel wire armored oil and mineral detection cables that can withstand mechanical loads for electrical measurements. These cables are used for logging, perforation, and coring operations in various oil and gas wells; It can also be used for marine surveys, river, harbor, water conservancy, hydrological surveys, coalfield geological surveys, geothermal logging, and other aspects. As a connecting wire for hanging weight instrument measurement.
Production execution standards:
JB/T3302-1999
Model name
The number of cores, cross-section, rated tensile strength, and nominal manufacturing length of the cable are shown in the table below.
The DC resistance of the cable core shall not exceed 36 Ω/K m; Between the wire cores and between the wire cores and the armor, withstand an AC 50Hz 1000V voltage test for 1 minute without breakdown.
Usage performance
The allowable temperature range for cables is shown in the table below.
The diameter of the winch drum should not be less than 400mm, and the bending radius of the wellhead pulley, overhead pulley, and ground pulley should not be less than 230mm. The pulley groove should be compatible with the outer diameter of the cable.