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Home > Products > Packer Series > Hydraulic Power Expandable Packer > Hydraulic Power Dilatant Packer
Hydraulic Power Dilatant Packer
  • Hydraulic Power Dilatant Packer

Hydraulic Power Dilatant Packer

    Payment Type: T/T
    Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
    Delivery Time: 7 Days

Basic Info

Model No.: SKF

Usage: Well Drilling Machinery

Certification: ISO

Power Type: Diesel

Rig Type: Truck-mounted Rig

Drilling Depth: 4000m

Offshore Unit Type: Semi-submersible Drilling Rig

Tractor Hoist Type: Crawler Tractor Hoistt

Drill Bit Size: 9 1/2 inch

Drill Bit Blade: 6

Transmission System: Hydraulic

Additional Info

Packaging: Wooden Package

Brand: Baoshi

Transportation: Ocean,Land,Air

Place of Origin: Hebei, China

Certificate: API Q1, ISO9001:2008, ISO14001,OHSAS 18001

Port: Tianjin

Product Description

The outer diameter of the Packer cup is larger than the inner diameter of the casing. The sealing of the packer is realized by the interference fit between the cup and the casing. The resistance is high when the cup goes down the well, and the cup is easy to wear and scratch, thus losing its sealing property. With the deep understanding of oil reservoirs, it is imperative to tap the potential of thick oil reservoirs. At the same time, higher requirements are put forward for downhole packers.


Hydraulic Power Expansion Packer


1). Product Structure:

Hydraulic Dilatant Packer

Figure.1 Hydraulic Power Expanding Packer Finished Products


Hydraulic Dilatant Packer


1. Collar 2. Base Pipe 3. Rubber 4. Valve Joint 5. Pressure Limiting Valve 6. Check Valve 7. Opening Valve 8. Break Rod 9. Sub


Figure 2. Structure Chart Of Hydraulic Power Expanding Packer


Hydraulic power expansion external casing packer is mainly composed of the expansion sleeve, base pipe (casing), valve joints, collar, sub and other components which can be directly connected with the casing string.


There are are two structures of valve joint, one is radial valve system, and the other is axial valve system, radial valve system is composed of a set of three valves (open valve, single-flow valve, pressure limiting valve) radial arrangement of the axial valve system is composed of a Set of axial double valve (open valve, pressure limiting valve) composition.


Axial valves and valve joint have two radial valve system structure, radial valve system is composed of a set of three valves (open valve, single valve, pressure limiting valve) which is radial arrangement, and axial valve system is a set of two valves (open valve, pressure limiting valve) which is axial arrangement.


2). The type implication of Hydraulic Power Expanding Packer

Hydraulic Dilatant Packer

3). Technical parameters

Hydraulic expansion packer product specificationsDilatant Hydraulic Power Packer

4). Main Application

SKF series hydraulic expanding packer is made of special expansion rubber as sealing element, with a combination valve system control of the permanent type external packer, mainly used for complex oil and gas, well completion cementing project, in order to achieve a variety of purposes down-hole sealing and blocking, to improve and enhance the oil, gas and water well completion cementing quality and has a significant effort. The tool is easy to operate, wide adaptability, safe and reliable. It is an important completion tool.


5). Main Advantage


a. Simple construction operation, no need to change the construction technology;

b. The Packer Rubber can automatically change according to diameter and the pressure difference of the hole;

c. Wide application range and can be used in various complex oil and gas Wells;

d. The valve system can safely and reliably protect and accurately control the tool down and seal.


6).Process design



a. Select the correct down and seal the packer position according to the application, and it`s best to down and seal the packer close to place where hole diameter is regular, the formation is denser and the well deviation is small;

b. Calculate the differential pressure value of downhole annular that packer need to bear, and determine whether the packer meets the need according to the maximum value recommended by the curve between well diameter and differential pressure;

c. Analyze and calculate concretely, determine the shearing pressure of opening locking valve - Pxiao:

Pbiao=Pxiao+ΔPs+Pfu

Pbiao-Maximum surface pressure when construction Mpa

Pxiao-Shear pressure of opening the valve, generally based on thethe maximum cycle pressure when construction.

ΔPs-Static pressure difference in the position of down and seal the packer Mpa

Pfu- the additional pressure which take errors of all aspects into consideration,,normally 3~4Mpa



7). Well diameter of packer down and seal with the pressure difference curve.

Dilatant Hydraulic Power Packer

8). Pictures of Hydraulic Power Expansion Packer


Dilatant Hydraulic Power Packer


We ,Hebei Baoshi Special Flexible Rubber Chemical Industry Co., LTD,specialize in the field for more than 10 years, with the strength of RTP Pipe, Rubber Hose, orging-casting integrally-formed Union drilling hoses, high-pressure double-hook self-locking flame retardant hoses, oil/water self-Inflatable Packers (the above products are patent products), hydraulic expandable packers, wire spirally-wound hoses, high and low pressure wire braided hoses, flexible reinforced composite pipes, metal hoses, suction and discharge clay hoses, ripple compensators, high and low pressure unions, joint, packers, packer rubber, Mud Pump Piston, Seal Products, etc.; the company also produces relevant matching products, various fittings, clamps, rubber products, polyurethane products, silicon and fluoro rubber products, etc. Our company has been managed strictly according to the demands of ISO9001:2008 and have passed API Q1 quality management system of American Petroleum Institute, the certifications of ISO14001 environmental control system and OHSAS 18001 vocational health cotrol system.


Dilatant Hydraulic Packer


Dilatant Hydraulic Packer


Dilatant Hydraulic Packer





Looking for ideal Hydraulic Dilatant Packer Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Dilatant Hydraulic Power Packer are quality guaranteed. We are China Origin Factory of Dilatant Hydraulic Packer. If you have any question, please feel free to contact us.

Product Categories : Packer Series > Hydraulic Power Expandable Packer

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