Releasing Spear
Releasing Spear
Releasing Spear

Releasing Spear

Releasing Spear

 

Application

The releasing spear, as a kind of fishing tool, is typically used for fishing drill rods, oil pipes, casings, etc. in the oil drilling industry. It has simple structure, high strength, and works from the inside diameter of the fish.

 

The do’s and don’ts

1.      Check the catch size, and make sure the outer diameter of releasing spear should be 1-2mm larger than the inner diameter of fish.

2.      Grease the screw of the mandrel.

3.      Fasten the nipple and fix the slips at the position where the release ring can be blocked.

4. The fishing drilling configuration usually consists of releasing spear, bumper sub and driller.

 

Technical Parameters

Type

Inner Diameter of fish

Tensile load

Left-hand Thread

LM-60

Φ46.1Φ48Φ50.7

150KN

NC26

LM-114

Φ80Φ88.9Φ90Φ93.7

Φ95.3Φ97.2

470KN

NC38,NC50

LM-168

Φ144.2Φ147.1Φ150.4

Φ151.5Φ153.7

1090KN

NC50

LM-245

Φ216.8Φ220.5Φ224.4

Φ245.4Φ330

2400KN

6-5/8REG

LM-324

Φ300Φ302Φ304Φ306

2600KN

6-5/8REG

LM-340

Φ313.6Φ315.3Φ317.9

Φ320.4Φ322.9

2600KN

6-5/8REG

 

Thanks for visiting webpage of Rundong! As a Chinareleasing spear manufacturer, we at Rundong enjoy low land, material, and labor costs. Therefore, we can produce qualitylead pattern, die nipple, and more products at reduced costs. Also, our location in Dezhou cit in Shandong province affords us easy access to many forms of transportation, which allows us to make deliveries of oil equipment at reasonable rates for our clients. In addition to high quality, CE certified products, customer can also enjoy superior service here at Rundong. Hence, you can feel secure in choosing and using our products.

 

 

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