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+86 13335151337
7-conductor logging cables are used in oilfield wireline logging and downhole monitoring systems. Different sizes provide different levels of strength and performance for various well conditions.
Heavy-duty design for maximum strength and deep well applications.
Balanced structure for standard oilfield logging operations.
Flexible and suitable for medium-duty downhole applications.
Technical Specifications
| Technical Specifications | |||
|---|---|---|---|
| PROPERTIES | |||
| Item | 15/32" (11.8mm) | 1/2" (12.4mm) | 15/32 (13.2mm) |
| Cable Diameter | 15/32" (11.8mm) | 1/2" (12.4mm) | 15/32 (13.2mm) |
| Minimum Sheave Diameter | 23" (590mm) | 25" (620mm) | 26" (660mm) |
| Cable Stretch Coefficient Ft/Kft/Klbs (m/Km/5KN) | 0.756 (0.85) | 0.578 (0.65) | 0.578 (0.64) |
| ELECTRICAL | |||
| Maximum Conductor Voltage | 1000 VDC | 1000 VDC | 1000 VDC |
| Conductor AWG Rating | 20 | 20 | 20 |
| Minimum Insulating Resistance MΩ/Kft (m/Km) | 1640 (500) | 1640 (500) | 1640 (500) |
| MECHANICAL | |||
| Cable Breaking Strength Enbs Fixed | 22500 lbs (100KN) | 24750 lbs (110KN) | 28125 lbs (125KN) |
| Maximum Suggested Working Tension | 16875 lbs (75KN) | 18563 lbs (82.5KN) | 21094 lbs (93.75KN) |
| Number and Size of Wires - Inner Armor | 24×0.0397" (1.01mm) | 22×0.0437" (1.11mm) | 17×0.0579" (1.47mm) |
| Number and Size of Wires - Outer Armor | 24×0.0492" (1.25mm) | 22×0.0566" (1.44mm) | 23×0.0579" (1.47mm) |
| Average Wire Breaking Strength - Inner Armor | 275 lbs (1.51KN) | 302 lbs (1.82KN) | 400 lbs (3.19KN) |
| Average Wire Breaking Strength - Outer Armor | 340 lbs (2.31KN) | 392 lbs (3.062KN) | 400 lbs (3.19KN) |
| PROPERITIES | |||
|
Item |
15/32"(11.8mm) |
1/2" (12.4mm) |
33/64"(13.2mm) |
|
Cable Diameter |
15/32"(11.8mm) |
1/2" (12.4mm) |
33/64(13.2mm) |
|
Minimum Sheave Diameter |
23" (590mm) |
25" (620mm) |
26"(660mm) |
|
Cable Stretch Coefficient Ft/Kft/Klbs (m/Km/5KN) |
0.756 (0.85) |
0.578 (0.65) |
0.578 (0.64) |
FAQs
Q1: What is a load bearing exploration cable used for?
Load bearing exploration cables are mainly used for oil & gas well logging, perforating, coring, and other downhole operations. They provide load bearing, power supply, signal transmission, and depth measurement functions.
Q2: What core types are available for load bearing exploration cables?
According to the number of cores, the cables are available in single-core, three-core, four-core, and seven-core structures to meet different downhole operation requirements.
Q3: What temperature range can load bearing exploration cables withstand?
Normal temperature cables usually operate from -30°C to 150°C, while high-temperature load bearing exploration cables can withstand temperatures from -50°C to 260°C.
Q4: What is the difference between ordinary and sulfur-resistant exploration cables?
Sulfur-resistant load bearing exploration cables are specially designed for corrosive oil & gas wells containing H₂S and other harsh media, offering enhanced corrosion resistance and longer service life.
Q5: Which standard do load bearing exploration cables comply with?
Load bearing exploration cables are manufactured according to SY/T 6600-2020, the oil and gas industry standard for load-bearing exploration cables.
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