7" radial shock absorber in stock
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 adapter, 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.
| OD | 5 in.(127.5mm) |
| ID | 2.24 in.(57mm) |
| Total Length | 46.77 in.(1188mm) |
| Tensile Strength (yield) | 257078lbs (1144kn) |
| Torque Strength (yield) | 3820lbs·39.37in. (17kn·m) |
| Differential working pressure | 10000psi (70mpa) |
| Internal yield Pressure (Bursting pressure) | 17690psi (122mpa) |
| Outer yield Pressure Strength (Collapse pressure) | 16385psi (113mpa) |
| Service temperature | -20℉+400℉ (-29℃+204℉) |
| Service environment | H2S, mud and water |
| End connections | 2 7/8"CAS.B×P |
| Casing size range | 7" 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 |
The trace mark on the raw material 
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.
