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The company's business includes petroleum hydraulic disc brake, winch, top drive and other professional petroleum equipment processing and manufacturing, engineering construction services, science and technology research and development and other three main projects.
Single-plug cement head
Single-plug cement heads are used for cement injection.Single-plug cement heads can be connected to casings.
Double-plug cementing head
1. Equipped with quick connectors for easy connection; can be connected to API casing threads/drill stem threads, ensuring a wide application scope;2. Indicator used to indicate rubber plug drop (if any);3. Compensating pipes are mounted for easy baffle pin opening
Cementing tools---Thermal compensator
➣ The thermal compensator is connected into the casing string of the heavy oil thermal recovery well to provide effective compensation for the casing string elongation caused by steam injection process or the casing string shrinkage caused by carbon dioxide injection and other measures. In this way, casing deformation and damage caused by elongation or shrinkage can be prevented.
Integral centralizer
➣ Cut by laser integrally; heat treated; treated with powder coating;➣ High-precision machining technology meets the requirements of various sizes of boreholes;➣ No initial lowering resistance; with low friction and low torque;➣ Enhanced string centring support;➣ High strength, no weak point of stress, high reliability;➣ No separate components or welded parts;➣ Its elasticity can meet the requirements of lowering into reducing hole sections;➣ All indexes exceed the standards of API centralizers
Resin cyclone centralizer
It is characterized by a light weight, a small friction factor and high strength. Its reinforced polymer resin material is free of toxicity and light in weight; the material also has excellent mechanical properties, heat resistance, chemical corrosion resistance and self-lubricating property; it is easy to process thanks to its small friction factor.
Rigid centralizer
➣ Divided into the rigid centralizers with straight blades and spiral blades;➣ Applicable for the horizontal cementing of high-angle deviated holes;➣ The type with spiral blades effectively improves displacement efficiency;➣ Stream-lined structure, for easy casing lowering
Roller centralizer
➣ Used for centralizing and centring of the casing during completion operation of high-angle deviated holes and horizontal wells; the sliding friction generated between the lowered casing and the borehole wall can be changed into rolling friction, effectively reducing the friction caused during casing lowering.
Single independent ball centralizer
➣ During the casing lowering in deep wells, extended reach wells and long horizontal drainholes, cuttings will be tucked in the slot space of the slotted rolling ball centralizer, which will lead to encumbered ball rolling, stronger friction and difficult casing lowering. Thus, we designed and invented the single-ball-embedded rigid centralizer to prevent cuttings entering the slot, significantly reducing friction resistance.
Bow-type casing centralizer
➣ It has punch interlocked structure but no welding defect. It is structurally simple, and has high strength and excellent elasticity.;➣ It is widely used in the casing lowering construction operation for vertical wells or high-angle deviated holes.
Float casing collar
Casing floating is mainly applied in horizontal wells and extended reach wells. During casing lowering, the float casing collar shall be connected to the casing string to form temporary barrier in the casing. Air is filled in the casing string below the float casing collar, while drilling fluid is filled in the casing string above the float casing collar. Thus, the buoyancy of the casing string below the float casing collar is increased, the lower casing string is in the floating state during casing lowering, and the resistance is reduced during casing lowering. Moreover, as the casing string above the float casing collar is filled with drilling fluid, the pressure that pushes the casing string into the bore hole is increased, realizing smooth casing lowering.
Float collar
➣ The outer shell of the float collar is made of 35 CrMo alloy steel, and all internal parts are made of drillable materials. It can be used in vertical wells, high-angle deviated holes and horizontal wells.;➣ Its capability of preventing back pressure is higher than 25MPa. Various models of float collars, float shoes, sulphate resistant.
Float shoe
➣ The float shoe is equipped with circulating extension pipes.;➣ Its outer shell is made of 35 CrMo alloy steel, and all of its internal parts are made of drillable materials. It can be used in vertical wells, high-angle deviated holes and horizontal wells.;➣ Its capability of preventing back pressure is higher than 25MPa.
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