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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Products > Drill String Tools

    Series

    Description

    Specification

    Drill-stem Tools

    Inside Blowout Control Tools

    Kelly Valves

    3-3/8″8″, 35Mpa105Mpa

    Tubing Valves

    In all size

    Full-open Safety Valves

    3-3/8″8″

    Arrow Type Check Valves

    4-3/4″8″

    Inside BOP Valves

    3-1/2″5-1/2″, 35Mpa105Mpa

    Drop-in Check Valves

    4-3/4″9″

    Float Valves(Flapper Type & Check Valve)

    In all size

    Stabilizers

    Integral Spiral Blade Stabilizers

    3-3/8″28″

    Straight Blade stabilizers

    3-3/8″28″

    Integral Mandrel Sleeve stabizizers

    5-7/8″28″

    Two Piece Mandrels Sleeve Stabilizers

    8-1/2″28″

    Non-rotary Stabilizers

    5-7/8″28″

    Stabilizer with Back-reaming

    6″17-1/2″

    Diameter changeable stabilizers

    Dia. Changeable range 8″8-1/2″

    Roller Reamers

    Roller Reamers Type MFType DR,Type JY)

    5-7/8″28″

    Subs and Short Joints

    Side entry subs

    3-1/2″11-1/4″

    Increment Circulating Subs

    3-1/2″11-1/4″

    Drill-stem subs

    In all size

    Float Valve Subs

    4-3/4″8″

    Tool Joints

    In all size

    Kelly Saver Subs

    4-3/4″8″

    Saver Subs with Rubber

    4-3/4″8″

    Premium Connection Subs

    Upon request

    Integral Pup Joints

    In all size


    Full Opening Safety Valve (TIW valve)

    Full Opening Safety Valve (TIW valve)
    BACK PRESSURE VALVE (INSIDE BOP/ GRAY VALVE)

    BACK PRESSURE VALVE (INSIDE BOP/ GRAY VALVE)
    XT 54, Full Opening Safety Valve

    XT 54, Full Opening Safety Valve
    Full Open Safety Valve (FOSV)

    Full Open Safety Valve (FOSV)
    Down-hole motor

    Down-hole motor
    Integral Blade Stabilizer

    Integral Blade Stabilizer
    KELLY VALVE - DRILL PIPE SAFETY VALVE

    KELLY VALVE - DRILL PIPE SAFETY VALVE
    Tubing Safety Valve

    Tubing Safety Valve
    VAM TOP Tubing safety valve

    VAM TOP Tubing safety valve
    Upper and Lower Kelly Valve

    Upper and Lower Kelly Valve
    Ball Type Safety Valve

    Ball Type Safety Valve
    Stabilizer forging

    Stabilizer forging
    Total Products: 44 Page: 1 of 4 First ←Previous Next→ End
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