RS7 — Roller Standoff for 7in
Compact slip-over roller (3.5 lbs, 3” long) for the decoupled sections of the toolstring in 7” casing.
RS7
Description
The RS7 is a slip over Roller with a 3-5/8” bore designed to convey tools across the range of 7” casings.
Ideal to complement the conveyance solution provided by the Petromac cased hole centralisers, it is positioned in the decoupled sections of the toolstring where centralization is not critical allowing for an optimal use of fit to purpose devices.
Compact design at 3.5lbs and 3” long with 5.8” Max OD.
Applications
- Centralization of wireline logging tools
- Tool Conveyance on highly deviated wells
Specifications
| Model | RS7 |
|---|---|
| Weight | 3.5 lbs |
| Length | 3” |
| Volume | 0.01ft3 |
| Drag Coefficient, dynamic | 3% |
| Drag Coefficient, Static | 5% |
| Temperature rating | 400°F |
| Pressure rating | 30,000 psi |
| Device OD | 5.8” |
| Minimum casing size | 7" #32 ( ID6.094") |
| Bore | 3-⅝” |
| Body | 17-4 PH SS |
|---|---|
| Bearings | Custom Bush Bearing |
| Grease | Lubriplate 930AA |
| Attachment | Alloy Steel grub Screw , 1/4” hex, UNC Thread, Dog end type |
| SWL, Shear set screws | 8,500 lbs |