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Collet Type Bulldog Spear​ Wireline Fishing Tool

Collet Type Bulldog Spear​ Wireline Fishing Tool

  • Collet Type Bulldog Spear​ Wireline Fishing Tool
Collet Type Bulldog Spear​ Wireline Fishing Tool
Product Details:
Place of Origin: China Baoji
Brand Name: Ruixin
Certification: API Q1
Model Number: 1.5inch 2inch 2.5inch 3inch 3.5inch 4inch
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: USD 780~
Packaging Details: Wooden Box
Delivery Time: 2-4 weeks
Payment Terms: T/T, Western Union
Supply Ability: 1 set 2 weeks
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Detailed Product Description
Name: Collet Type Bulldog Spear​ Wireline Fishing Tool Material: Alloy Steel&Nickel Alloy
Size: 1.5inch 2inch 2.5inch 3inch 3.5inch 4inch Fish Neck: 1.375inch 1.75inch 2.313inch 3.125inch
Body O.D: 1.84inch 2.19inch 2.69inch 3.65inch Function: To Perforate Standard And Heavy Wall Tubing Under Pressure
High Light:

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Collet Type Bulldog Spear​ Wireline Fishing Tool


The collet type bulldog spear is used to retrieve wireline tools(fish)lost in the well bore that do not have a conventional fishing neck and are therefore best"fished'with an internal spear .Once latched into a fish, this type of spear cannot be released. It should therefore always be run with a rope socket and pulling tool to ensure release is possible when necessary Collet type bulldog Spears are available in a range of sizes as listed below .The collet type bulldog spear includes one collet, please specify collet size required.

Ⅱ. Parameter:

Size FN Connection To catch diameter
1.5" 1.375" 15/16UN 0.875"~1"
1.5" 1.375" 15/16UN 1"~1.125"
1.5" 1.375" 15/16UN 1.125"~1.25"
1.5" 1.375" 15/16UN 1.25"~1.375"
1.5" 1.375" 15/16UN 1.375"~1.5"
2" 1.75" 15/16UN 1.125"~1.25"
2" 1.75" 1-1/16UN 1.25"~1.375"
2" 1.75" 1-1/16UN 1.375"~1.5"
2" 1.75" 1-1/16UN 1.5"~1.675"
2" 1.75" 1-1/16UN 1.675"~1.75"
2" 1.75" 1-1/16UN 1.75"~1.875"
2" 1.75" 1-1/16UN 1.875"~2"
2.5" 1.75" 1-1/16UN 1.75"~2"
2.5" 1.75" 1-1/16UN 2"~2.25"
2.5" 1.75" 1-1/16UN 2.25"~2.5"
2.5" 1.75" 1-1/16UN 2.5"~2.75"
3" 2.313" 1-1/16UN 2.75"~3"
3" 2.313" 1-1/16UN 3"~3.25"
3" 2.313" 1-1/16UN 3.25"~3.5"
3" 2.313" 1-1/16UN 3.5"~3.75"

. Structural features

Collet spear is composed of top sub , sleeve, spring, Slip and mandrel, Screw. The upper connector is provided with a standard external fishing neck at the upper end for connecting to the lower part of the tool string and threaded with a mandrel at the lower end. The outer sleeve has the function of straightening tool.

. Method of application

1. Fishing from the well:

2. Connect the tool under the basic tool string and then run down the well;

3.After reaching the predetermined position, hold the falling object loose;

4. String up the lifting tool.

. Attention

 Before down the well, the diameter of the inner hole of the salvaging object should be known, so as to select the size of the collet-type spear.

Collet Type Bulldog Spear​ Wireline Fishing Tool 0

Contact Details
Ruixin Energy Equipmnet

Contact Person: Selina Qiang

Tel: 86 13571793445

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