FOR CASING STRING – SK, RST, RSP TYPES
Spring scrapers RSP, cable rope scrapers RST, crowned scrapers SK are designed for installation on the casing string pipe to remove argillaceous deposits from the wall of the drilled well bore during pulling the string out of hole before cementing.
CROWNED SCRAPER SK
| No.
|
Parameter
|
SK168/216
|
SK178/216
|
SK245/295
|
SK324/394
|
| 1
|
Rated size of the well casing, mm
|
168
|
178
|
245
|
324
|
| 2
|
Outer diameter, mm
|
290
|
300
|
370
|
480
|
| 3
|
Diameter of the bore, mm
|
172
|
182
|
250
|
328
|
| 4
|
Height, mm
|
190
|
200
|
275
|
350
|
| 5
|
Weight, kg
|
4.8
|
5.2
|
6.3
|
7.0
|
CROWNED SCRAPER RST
| No.
|
Parameter
|
RSP 68/235-3-2
|
RSP78/290-3-2
|
RST245/400-3-2
|
RST324/480-3-2
|
| 1
|
Rated size of the well casing, mm
|
168
|
178
|
245
|
324
|
| 2
|
Outer diameter, mm
|
275
|
290
|
400
|
480
|
| 3
|
Diameter of the bore, mm
|
172
|
182
|
250
|
328
|
| 4
|
Height, mm
|
190
|
200
|
270
|
350
|
| 5
|
Weight, kg
|
5.0
|
5.5
|
6.5
|
7.2
|
CROWNED SCRAPER RSP
| No.
|
Parameter
|
RSP168/285-3-2
|
RSP178/290-3-2
|
RSP245/400-3-2
|
RSP324/480-3-2
|
| 1
|
Rated size of the well casing, mm
|
168
|
178
|
245
|
324
|
| 2
|
Outer diameter, mm
|
302
|
315
|
413
|
495
|
| 3
|
Diameter of the bore, mm
|
172
|
182
|
250
|
328
|
| 4
|
Height, mm
|
40
|
40
|
40
|
40
|
| 5
|
Weight, kg
|
2.2
|
2.4
|
2.7
|
3.5
|
