Drill Stem Testing Tool String Vertical Shock Absorber & Radial Shock Absorber
The shock absorber is a part of the DST tool string used for oil and gas well testing opeation. There are two types of shock absorber: Radial shock absorber and Vertical shock absorber.
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 radial shock absorber 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 adapter, mandrel , shear pin , lower bearing thrust and ring shear
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.
Technical Parameter of Raidal shock absorber
| No | Specification | 7” |
| 1 | O.D. | 161mm |
| 2 | Bore Diameter | 57mm |
| 3 | Length | 1170mm |
| 4 | Working Pressure | 70Mpa |
| 5 | Internal pressure strength | 111Mpa |
| 6 | External pressure strength | 100Mpa |
| 7 | Tensile strength | 1237KN |
| 8 | Torque strength | 18KN.m |
| 9 | Service | H2S,NACE MR0175(>175oF) |
| 10 | Working temperature | -29oC+204oC |
| 11 | Connection thread | 3 1/2 IF.BXP |
Techcore oil tools is certified by ISO, all the manufacture is strictly conformed with ISO system including Quality Control Management, Environmental Management and Occupational Health & Safety Management. For each downhole tools and each parts, we make the trace-ability from the raw material till the products. And any TPI inspection are available with us from SGS/BV/ TUV /DNV etc..
* Drill stem testing tools for cased hole, open hole and slim hole manufactured by Techcore
Full bore retrievable packer, full bore retrievable circulating valve, full bore retrievable safety joint, downhole tester valve, select tester valve, LPR- N Valve, omni valve, multi-cycle circulating valve, hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, tubing string test valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.
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String Vertical 70 Mpa 7 Inch Radial Shock Absorber Images
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