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XI'AN ZZ TOP OIL TOOLS CO.,LTD
XI'AN ZZ TOP OIL TOOLS CO.,LTD

China Cased hole DST tools radial shock absorber 7" casing manufacturer

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Cased hole DST tools radial shock absorber 7" casing 

Price: 400.0 USD 
Payment Terms: T/T,L/C,D/A 
Special Groups: Case hole DST (107)
DST Vertical Shock Absorber (6)
DST Shock Absorber (7)
drill stem testing (119)
Place of Origin: Shaanxi, China (Mainland) 
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Product Detail

Model No.: TOP-Absorber-003
Production Capacity: 35sets/month
Delivery Date: 35days
Working Temperature: 400F
Type: Full bore
Use: Shock absorber
Size: 5"
Means of Transport: Ocean,Land,Air
Packing: plywood
Working pressure: 105Mpa
Materia: AISI4140
Condition: NEW
Standard: Nace MR0175/ISO
Application: well testing

Drill stem testing tools Radial shock absorber is for cased hole full bore type in size casing 7", Working pressure 105Mpa, other size can be availabl

7" Casing DST tools radial shock absorber cased Hole

Cased hole DST tools radial shock absorber 7" casing

The radial shock absorber protect pressure-measuring equipment or sensitive components in the workstring for shock loads transmitted through the workstring by firing of TCP guns. It can also help straighten the workstring.

This tool is mainly composed by radial shock absorption component and axial slide component. The radial shock absorption component include block retainer , housing retainer,block , block spring retention and spring. The axial slide component include housing retainer, lower adaptor, mandrel , shear pin , lower bearing thrust and ring shear

Normally the radial shock absorber use with the vertical shock absorber together and it is always located below the vertical shock absorber. In radial shock absorbers, spring-loaded drag blocks absorb radial shock waves transmitted through the TCP perforating. The vertical shock from axial slide can be transferred to the vertical shock absorber, a part of shock will be absorbed by axial slide movement and the shear pin effect, so that the condition of radial shock absorber component and inner-wall tubing are relative stable.


OD5 in.(127.5mm)
ID2.24 in.(57mm)
Total Length46.77 in.(1188mm)
Tensile Strength (yield)257078lbs (1144kn)
Torque Strength (yield)3820lbs·39.37in. (17kn·m)
Differential working pressure10000psi (70mpa)
Internal yield Pressure (Bursting pressure)17690psi (122mpa)
Outer yield Pressure Strength (Collapse pressure)16385psi (113mpa)
Service temperature-20℉+400℉ (-29℃+204℉)
Service environmentH2S, mud and water
End connections2 7/8"CAS.B×P
Casing size range7" 17-38lb/ft
7 5/8" 24-33.7 lb/ft
8 5/8" 40-52 lb/ft
8 5/8" 24-36 lb/ft
9 5/8" 43.5-59.4lb/ft
9 5/8" 32.3-40lb/ft


Cased Hole Drill stem testing Tool Radial Shock absorber

Cased Hole Drill stem testing Tool Radial Shock absorber

Material Traceability SGS testing.

ZZ TOP OIL TOOLS is the professional manufacturer for the drill stem testing tools and surface testing equipment. All the DST tools are conformed with NACE MR 0175 with traceability,and the DST tools can be worked in H2S & CO2 above 175 F and full H2S, also with the skilled and experienced engineers, we can design the drill stem testing tools as per customer's well condition. Moreover, we supply the training in our factory and operation instruction at the well site. The DST tools are exported to USA, Colombia, India, Pakistan, Iran, Brazil etc. and enjoy the good reputation from the customers.

To shorten the delivery time, we proceeded the DST Tools in stock:

Packer,circualting valve,select tester valve,APR N-valve,OMNI valve,Hydraulic Jar,Tubing string tester

1. Full bore Packer, 7" Casing, working pressure 70Mpa, Working Temperature 400F, Connection: IF, 4set

2. Tester valve, 5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4 sets

3. Hydraulic Jar,5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4sets

4. Rupture disk Circulating valve, 5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4sets

5. Flowhead (surface test tree), 3 1/16", working pressure 70 Mpa. 1set


Should you have any interest or inquiry on the Drill stem testing tools, contact us freely.

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Tel: 86-29-81779342
Fax: 86-29-81543379
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Company Info

XI'AN ZZ TOP OIL TOOLS CO.,LTD [China (Mainland)]

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Business Type:Manufacturer, Distributor/Wholesaler, Service
City: Xi'an
Province/State: Shaanxi
Country/Region: China (Mainland)

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