Releasing Spear

: http://oildrillingcn.com

Releasing Spear

Application

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

The do’s anddon’ts

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

2. Greasethe screw of the mandrel.

3. Fastenthe nipple and fix the slips at the position where the release ring can beblocked.

4.The fishing drilling configuration usually consists of releasing spear, bumpersub 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 China releasingspear manufacturer, we at Rundong enjoylow land, material, and labor costs. Therefore, we can produce quality lead pattern, die nipple, and moreproducts at reduced costs. Also, our location in Dezhoucit in Shandongprovince affords us easy access to many forms of transportation, which allowsus to make deliveries of oil equipment at reasonable rates for our clients. Inaddition 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.