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WMF3BP 5.6 Anti-overflow Hermetic Type Logging Cable
Products description:

 

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: WMF3BP5.6 Anti-overflow Hermetic Type Logging Cable Drawing

 

 

 

Construction Details:

 

No

                           Materials

Construction

OD (mm)

1

  Stranded annealed copper wires

0.21×7

0.63

2

  Modified PP

  Insulation

0.26

1.3

  Jacket

0.2

3.0

3

  Galvanized steel wires

  Inner, Outer

0.61/17+sector steel wires/16

Inner 4.0 

Outer 5.60

4

  Strand direction of outer galvanized steel wires

Left

5

  High toughness galvanized steel wire

  OD of the cable: 5.60mm

  Weight: 154kg/km

 

Technical Parameters:

 

No

Item

Values

1

  Conductor DC resistance at 20℃

≤84.3Ω/km

2

  Insulation Resistance at 20℃

  ( Between insulation core and steel wires armor )

200MΩ/km

3

  Insulation Resistance at 150℃, 2h

  ( Between insulation core and steel wires armor )

≥2.5MΩ/km

4

  Insulation Resistance at 150℃, 66.6Mpa water pressure, 1h

  ( Between insulation core and ground )

2.5MΩ/km

5

  AC voltage test, 50HZ, 5min

  ( Between Insulation core and steel wires armor )

1000

6

  Breaking force of the cable

≥25KN

7

  Suggested working tension

15KN

8

  Elongation of the cable

1

9

  Cold resistance anti-cracking test:10 times the core outer diameter of the test bar without cracking when wound

-30

 

 

Advantages:

(1)The outer armor layer adopts fan-shaped steel wire, the cross-sectional area is increased compared with the round steel wire, and the carrying capacity of the cable is increased by 20% compared with the common cable.

2The fan-shaped steel wire can effectively increase the friction area of the steel wire, and the wear resistance of the cable is improved, which indirectly increases the service life of the cable. At the same time, this type of cable can prevent the wire from "jumping", "bulging" and other phenomena that cause abnormal damage to the cable.

3The appearance of the cable is smooth and wear-resistant, forming a pure circular structure, which can prevent the cable from encountering obstruction and jamming during the application.

4The anti-corrosion sealing medium is coated between the inner and outer armor layers, which can reduce liquid corrosives from entering the inside of the cable, prevent the inside of the cable from being corroded, ensure the tensile strength of the cable, increase the service life of the cable, and effectively prevent underground oil overflow to the well surface, it forms a better protection for the environment.

 

 



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