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The liner cementing is realized by the liner hanger, which reduces the casing weight of the first well in the deep well, improves the load of the rig lifting system when the casing is cut, and reduces the flow resistance of the cement slurry, which is beneficial to safe construction. Through the liner connection, the problem of drilling operation due to the wear of the upper casing can be solved; using the liner suspension cementing technology can also reduce the amount of casing and save the drilling cost.

Features of Liner Hanger:

The liner hanger drilling is mechanical set by right-hand rotation. Do not use ball and operation easy.

The main parts of the line hanger are made of high-strength alloy steel, which ensures high mechanical performance and strong ability to hang heavy liner.

All of the pump-down plug, liner wiper plug and the landing collar have locking systems and are easily drillable.

The pack-off bushing can be pulled out with the setting tool and therefore saves time for drilling out.

The seal assembly contains a set of "W" packing rings that have perfect two-direction sealing capacity.

To release the setting tool from the liner, simply apply 5 to 10 t load to the drill string and rotate right hand.

The gage rings on the liner hanger not only serve as rigid centralizers, but also protect the hydraulic cylinder and slips while running in.

Applications of Liner Hanger:

The Liner hanger mainly realizes tail pipe suspension through hydraulic transmission. It is widely used in oil and gas wells, technical tail pipe of salt brine wells and geothermal wells and production tail pipe cementing. In the following cases, the tail pipe hanger is used for cementing:

1. It is possible to save a lot of casing and cost for deep wells and evaluation wells.
2. Completion of the casing head and surface casing load
3. Improve long-term cement cementing operations to prevent low-pressure leakage
4. Quickly and easily seal the open hole section and the old well deepening cementing
5. Provide flexible completion methods and safer cementing operations
6. In the Rock salt well section, the tail pipe is used to enhance the sealing strength of the rock salt section.
7. Seal the damaged section of the upper casing (corrosion, fracture)

Technical Specifications of Liner Hanger:

We are one of the most professional liner hanger manufacturers in China. Saigao Group specializing in design, research and development, processing and manufacturing, sales and export of machinery equipment, with leading products comprising various kind of mud pumps, down-hole motors, any kinds of screen pipes, cementing tools as well as any kinds of wellhead equipment. Just contact us!

The liner hanger assembly is a special cementing tool for tieback operation.

Tieback equipment allows existing liners with a receptacle to be extended to the surface or farther up hole, and provides a high-pressure seal at the top of a cemented or uncemented liner. TIW offers variety of tieback seal nipples and tieback packers to accommodate liner top extension and remedial operations.

Tieback Procedures of Hydraulic Liner Hanger Tie-Back Assembly

1. Preparation before casing

Measure and drift the casings carefully and clean all the threads.

Calculate the kelly-up of the casing (the particular part of the last casing which is above the rotary table) and arrange the casing string.

Prepare several casings, which are approximately 0.5m shorter than the others and convenient for kelly-up calibration. (The actual kelly-up is not equal to the calculated value due to measurement error and the remaining threads of the casings.)

1. Polishing the polished bore receptacle

Connect the milling shoe and trip in. Polish the inner surface of the polished bore receptacle, make sure there is no debris.

Note the depth of the milling shoe when it reaches the top of the seal assembly (judge from the changes on pressure and WOB). Then lift the drill string for 1m.

Use a drilling rate of 40～50rpm and a normal flow rate. Slowly lower the drill string. Polish the inner surface of the polished bore receptacle twice or three times. Each time polish 3～4min. During the last polishing, apply an additional load of 2～3t when the torque suddenly increases (the milling shoe reaches the top of the seal assembly) during the last polishing. Polish for another 2~3min and note the depth of the milling shoe, which is an important clue for the casing setting depth.

Circulate with high flow rate for 5min.

Trip out and check the milling shoe. If there is a circle of polished trace and the diameter is equal to the I.D. of the left thread on the seal assembly, then the milling shoe have reached the bottom of the polished bore receptacle.

Features of Hydraulic Liner Hanger Tie-Back Assembly

With the guide shoe and circulate bore, it can stab into polished bore receptacle before cementing, more convenient than conventional cementing which pumps down cement before stabbing.

With its streamline shape, the guide shoe can stab into polished bore receptacle easily.

The Tieback Seal Assembly with three stacks of molyglass seal is designed for high-pressure and high-temperature liner tieback completions. Available in seal length is 1.2m.

Technical Parameters of Hydraulic Liner Hanger Tie-Back Assembly

Saigao Group specializing in design, research and development, processing and manufacturing, sales and export of machinery equipment, with leading products comprising various kind of mud pumps, down-hole motors, any kinds of screen pipes, cementing tools as well as any kinds of wellhead equipment. Just contact us!

Hydraulic Liner Hanger Polished Bore Receptacle Mated with tie-back assembly, it can tieback the liner to the top of well and act as efficiency sealing. The polished bore receptacle (PRB) is a highly machined component with a polished bore.

Features of polished bore receptacle liner hanger

High quality surface finish on the inner seal bore for optimum sealing property.

The top end is chamfered for easy entry.

Manufactured to strict roundness and wall thickness tolerances, giving optimum burst and collapse pressure ratings.

Technical Parameters of Hydraulic Liner Hanger Polished Bore Receptacle

Saigao Group specializing in design, research and development, processing and manufacturing, sales and export of machinery equipment, with leading products comprising various kind of mud pumps, down-hole motors, any kinds of screen pipes, cementing tools as well as any kinds of wellhead equipment. Just contact us!

KT series high performance turbines have shot blasting machine spare parts including blasting wheels provided with eight throwing blades locked into the wheel double-disc. The double-disc wheel offers the following advantages:

Improved abrasive flow for faster cleaning cycles

Direct mounted motors or spindles eliminate

manual wheel alignment issues

Easy front of housing access to runner head

Optional replaceable, long-lasting cast liners

Integrated dual labyrinth hub seal for superior abrasive containment

T-nuts assist in housing replacement

Integral U-shaped feed spout clamp for improved adjustment and assembly

Low speed and high speed direct drive motors

Direct coupled spindle drives allow for re-use of existing motors

Less part wear due to greater concentricity and more precise alignment

We are shot blasting spares manufacturers and we have many blasting machine parts for sale.

Direct-drive blasting turbines is a new type having advantages of high efficient blast turbines, elegant appearance, compact structure, low noise level, energy-efficient, environmental-friendly.Direct-drive blasting turbines

Belt-drive blasting turbines

Belt-drive blast turbines are conventional, large abrasive flow rate, good cleaning effect, etc. It is an essential part of the large shot blasting machine.

Blasting blade, blasting impeller, control cage made of high-chromium wear-resistant cast iron material, which greatly extends the service life.

The partial-thickness op guard, side guard, and end guard reach to 70mm, and the thickness of the ordinary guard is generally 12mm,  greatly improved the wear resistance and service life of the guard plate, reducing the frequency and time of repair and replacement.

As one of the most professional shot blasting equipment manufacturers in China, QINGGONG MACHINERY’s activity is the design, manufacture, sales of automatic roller shot blasting machine, sandblasting room and punching machine and over more than 40 years of experience. RFQ today!

The main transmission of servo CNC punching machine is directly from drive servo punch press, which retains the advantage of a simple and reliable structure as mechanical transmission, it features  high efficiency, energy saving, low noise, high accuracy, and can realize many processes like die-cutting, forming, beading, lettering and so on.

Features

Servo drive

Direct driving structure

Sealed oil tank, prefect lubricating with lower temperature rising.

Turret

32 working stations

Material: 40Cr

Pair machining in large scale machine center.

Adopt Amada standard long tools.

Super high accuracy position pin ensures the aligment of punch and die

Auto-index

Worm and gear driving structure ensures the accuracy of double direction.

Singal synchronous driving belt ensures the accuracy of punch and die.

Bushing

Each station has high accurate bushing.

40Cr material

International standard long toolings

Driving

T axis is driving by one servo motor with chains

C axis is driving by one servo motor with a belt.

Basic Specification

As one of the most professional shot blasting equipment manufacturers in China, QINGGONG MACHINERY’s activity is the design, manufacture, sales of automatic shot blasting machine china, sandblasting room and punching machine and over more than 40 years of experience. RFQ today!

The driving system of the Y30 series CNC turret punch machine is hydraulic, with low noise, high speed, and high efficiency, and the thickness of the punching plate is 6mm. The design of high precision and high repetitive positioning accuracy enables the machine to produce more high-precision parts than other similar machines.

Features of the CNC hydraulic punching machine

1. Adopts the hydraulic system of the first class, whose stroke and speed are changed digitally. the max. punch hit can be reached 600hpm, and that at 25mm pace can be up to 350hpm.

2. The large lead ball screw and linear guideway of high precision are equipped for driving.

3. The first-class CNC system with digital AC servo motor ensures precision.

4. The imported pneumatic, hydraulic and electric components ensure the perfect quality.

5. The turret with bushing is processed in pairs to make sure the coaxial of the punch and die, so the service life of the tooling together with the turret is largely extended.

6. After the advanced process and heat treatment, the service life of the tooling has been extended to a large extent.

adopting worm-wheel and worm mechanism of high precision. the auto-index, whose max. diameter is 88.9mm, can be extended.

7. Central lubrication unit reduces the friction between each working pairs to extend the machine service life.

8. Flexible configuration with long or short tooling can be selected according to the customer's requirement.

The integrated structure of beam and carriage enhances the rigidity and precision, which is especially suitable for VT-500,600and 800.

Basic Specification

Mold distribution

Application

CNC hydraulic turret punch press can be applied to punching, drawing and other shapes of holes in sheet metal. It is suitable for processing of batch or sample, reducing mold investment and reducing production cost. It is mainly used in various large and low-level switch cabinets, control panels and air conditioning panels. Box, cabinet, shell, metal furniture, kitchenware, advertising industry.

As one of the most professional shot blasting machine suppliers, QINGGONG MACHINERY’s activity is sales of shot blasting machine China and shot blasting supplies. If you want to know more details or want a quotation, just feel free to contact us!