China AISI 4145H Mod Drill Collar Manufacturers Factory Suppliers

●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

Vigor PDC Reamer Stabilizer is a downhole tool that simultaneously drills and stabilizes the wellbore in real time. It corrects hole quality in unstable formations, prevents stuck pipe incidents, and

Vigor Non-rotating casing brusher can be part of a complete wellbore cleaning tool string during the displacement process prior to running a completion. It can be rotated and reciprocated without

Vigor Non-rotating casing scraper is one of the indispensable auxiliary tools for well completion, testing and downhole operations. Its main purpose is to remove cement, sand, scratches, paraffin,

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

Vigor's Mud Motor is designed for coiled tubing and small diameter slender wellbore, providing good and stable power delivery performance. Cooperate with coiled tubing in drilling and workover in

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 Unlimited-Circulation Bypass Valve (UCBV) is a new generation tool with a multiple-opening circulation that can be activated unlimited “on” and “off” by a single ball drop that changes the

● 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

● Standard: API Spec.7-1,5DP and NS-1. ● Non-magnetic material equivalent to P530,P550&P650. ● Non-magnetic material size from 3 1/8 up to 11 . ● Non-magnetic Drill Collar, Drill pipe & HWDP.

● Standard: API 5DP. ● API 5DP Grade: E, 95(X), 105(G), 135(S). ● Range of Sizes: 2 3/8”, 2 7/8”, 3 1/2” 4”, 4 1/2”, 5”, 5 1/2” up to 6 5/8”. ● Connection: Regular, (IF) Internal Flush, (FH) Full

● 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