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1/8" vs 3/16" Monoconductor Logging Cable Copper Conductor Comparison

1/8" Monoconductor Logging Cable

Smaller diameter and lightweight design for flexible handling and medium-depth well operations.

Advantages:

Lightweight and flexible
Easy installation and operation
Cost-effective solution

Applications:

Oil well logging
Downhole monitoring
Temperature & pressure transmission
Medium-depth wells

3/16" Monoconductor Logging Cable

Larger conductor and reinforced structure for higher strength and deep well applications.

Advantages:

Higher tensile strength
Better signal transmission
Improved durability

Applications:

Deep well logging
Wireline operations
High-temperature environments
Long-distance transmission

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Technical Specifications

Parameter	Specification 1	Specification 2
PROPERITIES
Cable Diameter	1/8"(3.2mm)	3/16" (4.7mm)
Minimum Sheave Diameter	7’’(180mm)	14"(360mm)
Cable Stretch Coefficient	6.5ft/kft/klbs (7.3m/Km/5KN)	3.0ft/kft/klbs (3.37m/Km/5KN)

Parameter	Specification 1	Specification 2
ELECTRICAL
Maximum Conductor Voltage	400 VDC	1000VDC
Conductor AWG Rating	24	20
Minimum Insulating Resistance	1500 MegaΩ/Kft (500MΩ/Km)	1500 MegaΩ/Kft (500MΩ/Km)
Armor Electrical Resistance	13.0 Ω/Kft (42.6Ω/Km)	6.0 Ω/Kft (19.7Ω/Km)

Parameter	Specification 1	Specification 2
Cable Breaking Strength
Enbs Fixed	1600 lbs (7.1 KN)	4000 lbs (17.8 KN)
Maximum Suggested Working Tension	800 lbs (7.1 KN)	2000 lbs (8.9 KN)
Number and Size of Wires
Inner Armor	12×0.0175" (0.444mm)	12×0.022" (0.559mm)
Outer Armor	18×0.0175" (0.444mm)	18×0.0358" (0.909mm)
Average Wire Breaking Strength
Inner Armor	65 lbs (0.29 KN)	103 lbs (0.46 KN)
Outer Armor	65 lbs (0.29 KN)	272 lbs (1.21 KN)

Cable Type	Core Description Cable Weight
-	TempRating ℉ ℃	Plastic Type	Insulation Thickness In mm	Copper Construction In mm	Res TypicalΩ/Kft Ω/Km	Cap TypicalPf/ft Pf/m	O.D. Eachin mm	in Air	in H₂O
-	TempRating ℉ ℃	Plastic Type	Insulation Thickness In mm	Copper Construction In mm	Res TypicalΩ/Kft Ω/Km	Cap TypicalPf/ft Pf/m	O.D. Eachin mm	Lbs/Kft Kg/Km
WGSB-5.6-1x1.0	300 149	Polv	0.0295 0.75	19x0.10219x0.266	5.53 18.1	60 197	0.108 2.743	91 136	75 112
WGSF-5.6-1x1.0	500 260	ETFE	0.0295 0.75	19x0.10219x0.266	5.53 18.1	60 197	0.108 2.743	93 138	76 114
WGSB-8.0-1x2.0	300 149	Palv	0.0394 1.00	19x0.0144 19x0.366	2.8 9.2	53 174	0.155 3.937	187 282	155 230
WGSF-8.0-1x2.05	500 260	ETFE	0.0394 1.00	19x0.0144 19x0.366	2.8 9.2	53 174	0.155 3.937	192 288	158 233

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.