Mudanjiang Northmachine Co., Ltd

Two-step synchronous thread integral joint washover pipe is a specialized tool which can handling trouble of s

The Taper Tap is an internal catch fishing tool designed to retrieve tubuar members from the well bore. It is

The Float Collars and Float Shoe are used to guide the casing to be put into the hole. It can adjust the float

Integral Spiral Stabilizer is made from AISI ***5 H Modified alloy steel or non-magnetic alloy steel, the pres

The Reverse Circulating Junk Basket (RCB) is a junk retrieval tool designed to remove all types of objects fro

Sleeve type Stabilizers are made of ***5H modified alloy steel. Heat treated to **5~**1 BH and *4 Joules minim

Tool joints of our company are made of modified alloy steel, then fully heat treated. So the mechanical proper

The Inside Bop is a heacy duty drop check valve with a conical plug to reduce the cutting action of the mud on

The Top Cementing Plug and the Bottom Cementing Plug are designed to replace conventional cementing plug syste

The RCR Centralizer consists of rigid body, on which machined five spiral blades. There are three of four modi

This Float Valve is normally installed in a standard bore-back of the bit sub, to provide fluid flow control a

Releasing and Circulating Overshot is an external catch fishing tool designed to retrieve tubular items from t

The Junk Sub is an accessory tool used in milling or drilling operations. It is designed to prevent cuttings t

The Kelly Valve is a full opening valve that provides positive pressure control of the fluids in the drill str

Casing Scraper is used to clean up the dirt which may be left over the internal wall of the casing, such as s

Lifting subs can be either tapered or square shoulder types and are made from AISI ***5/***0. They are availa

The Back-off releasing spear is an internal catch fishing tool designed to retrieve tubular members from the w

The Releasing Spear is an internal catch fishing tool designed to retrieve tubular members from the well bore

Our company manufactures a complete line of rotary ***** sub provides a connection between joints of different

The Fishing Magnet is a junk retrieval tool designed to effectively remove metal particles, shavings, and debr