China string roller reamer Manufacturers Factory Suppliers

● Engineered and optimized to comprise a set of advanced features for enhanced reaming, high durability, and maximum reliability.. ● Suitable for holes ranging from 5-7/8″to 36″.. ● Can be used in

Multiple activation bypass valve is a set of short sub which can be opened and closed for many times. It is generally installed in special BHA such as directional, speed-up,LWD and so on. . It can

A spiral drill collar is a type of heavy steel collar that is used in drilling operations. It is designed to provide weight on the drill bit, which helps to keep it in contact with the formation

The special stabilizer with reamer and back-reamer is a critical tool in drilling engineering, designed to prevent well deviation and stabilize drilling tools during oil, gas, and geological

The magnet of Model VLQP Multi-wheel Fisher are arranged multi-layered in half cylinder as to strengthen the magnetic field intensity and the roller contact area, which can catch downhole small

Vigor’s Casing scraper is with a spring and rotating design,which can removes rust, scale, cement, mud, bullets, paraffin, perforation burrs and other obstructions or foreign material from the inside

● Standard: API 7-1 and NS-1. ● Category: Integral Spiral Blade Stabilizer, Replaceable Sleeve Stabilizer, Float Valve Stabilizer, Non-rotating Stabilizer, Spherical Stabilizer, Non-Magnetic

Torque anchor is a kind of anchor tool specially designed for a screw pump. It mainly consists of an upper sub, anchor, reed, mandrel, etc. When the screw pump rotates, the torque anchor can

The Heavy Weight Drill Pipe (HWDP) from Vigor adopts API SPEC 7-1 and NS-1 standards using the best materials of AISI 4145H and Non-magnetic materials. . Heavy Weight Drill Pipe (HWDP) adopts Slick

● Material AISI 4145H Fully Heat-Treated Alloy Steel. ● Used to enlarge a pre-drilled pilot hole or to ensure that the gauge is maintained in a deviated hole.. ● Used to create a larger diameter hole

●Standard: API Spec.7-1and NS-1. ●Material: AISI4145H, 4145H Mod, non-magnetic material. ●Type: Slick Drill Collar, Spiral Drill Collar, Short Drill Collar. ●Special Feature: Threads Cold Rolled; Pin

Drilling jars are used in the drilling of oil and gas wells to help break free or jar a stuck drill pipe.. They are designed to provide intermittent and sudden impact force to the drill stem whenever