Casing Scraper, JY Casing Scraper, Multi-Function Casing Scraper
Casing scraper is mainly used in cleaning cement, sandy, residual bullets, scratches, paraffin, burs and other attachments from inner wall of casing, to keep inner wall of casing clean,so as to run into various downhole tools.
Model | Tool OD | Tool ID | OAL | Casing Size | Casing Weight | Connection | Blade Qty. |
mm (inch) | mm (inch) | mm (ft) | inch | lb/ft | |||
GX4-1/2 | 79.4 (3-1/8) | 20 (25/32) | 1030 (3.4) | 4-1/2 | 9.5 ~ 15.1 | 2-3/8REG B X P | 2 × 3 |
GX5 | 85.7 (3-3/8) | 20 (25/32) | 972 (3.2) | 5 | 11.5 ~ 24.1 | NC26 B X P | 2 × 3 |
GX5-1/2 | 100 (3-15/16) | 25.4 (1) | 1100 (3.6) | 5-1/2 | 14 ~ 32.6 | 2-7/8REG B X P | 2 × 3 |
GX6-5/8 | 108 (4-1/4) | 30.8 (1-13/64) | 1100 (3.6) | 6-5/8 | 20 ~ 28 | 3-1/2REG B X P | 2 × 3 |
GX7 | 108 (4-1/4) | 30.8 (1-13/64) | 1100 (3.6)) | 7 | 17 ~ 38 | 3-1/2REG B X P | 2 × 3 |
GX9-5/8 | 146 (5-3/4) | 57.2 (2-1/4) | 1320 (4.3) | 9-5/8 | 32.3 ~ 53.5 | 4-1/2REG B X P | 2 × 5 |
GX10-3/4 | 196 (7-23/32) | 57.2 (2-1/4) | 1500 (4.9) | 10-3/4 | 32.75 ~ 60.7 | 6-5/8REG B X P | 2 × 5 |
GX13-3/8 | 196 (7-23/32) | 71.4 (2-13/16) | 1500 (4.9) | 13-3/8 | 48 ~ 72 | 6-5/8REG B X P | 2 × 7 |
JY casing scraper can work as non-rotating fixed type casing scraper, and also can work as a rotating type casing scraper. When it used as fixed casing scraper, as long as increase adjustable pad locates in top sub to make it not rotate, otherwise decrease adjustable pad, it will be used as rotating casing scraper.It is mainly used in cleaning cement, sandy, residual bullets, scratches, paraffin, burs and other attachmentsfrom inner wall of casing, in order to keep inner wall of casing clean.
Model | Tool OD | Tool ID | Casing Size | Casing Weight | OAL | Connection |
mm (inch) | mm (inch) | inch | lbf/ft | mm (ft) | ||
JY4-1/2 | 85.7 (3-3/8) | 16 (5/8) | 4-1/2 | 9.5 ~ 15.1 | 1050 (3.4) | 2-3/8REG B X P |
JY5 | 85.7 (3-3/8) | 19 (3/4) | 5 | 11.5 ~ 24.1 | 1050 (3.4) | 2-3/8REG B X P |
JY5-1/2 | 100 (3-15/16) | 19 (3/4) | 5-1/2 | 14 ~ 23 | 1070 (3.5) | 2-7/8REG B X P |
JY7 | 121 (4-3/4) | 31.8 (1-1/4) | 7 | 20 ~ 42.7 | 1160 (3.8) | NC38 B X P |
JY9-5/8 | 165.1 (6-1/2) | 71.4 (2-13/16) | 9-5/8 | 32.3 ~ 75.6 | 1240 (4.1) | NC50 B X P |
JY13-3/8 | 203.2 (8) | 71.4 (2-13/16) | 13-3/8 | 48 ~72 | 1562 (5.1) | 6-5/8REG B X P |
Multi-function casing scraper is a new type casing scraper, it can work as non-rotating fixed type casing scraper, and also can work as a rotating type casing scraper. Besides normal cleaning operation, it should stop running in the drill string when stuck, then should connect the washover tools, and applying some pull force to shear the pin, then shift to rotating mode, then proceed releasing stuck operation, like providing a torque,pushing,circulation and jarring until recover the normal situation, then continue to run in drill string.
Model | Tool OD | Tool ID | Casing Size | Casing Weight | Shear Force | OAL | Connection |
mm (inch) | mm (inch) | inch | lbf/ft | KN | mm (ft) | ||
DGX121 | 121 (4-3/4) | 38.1 (1-1/2) | 7 | 17 ~ 32 | 334 | 3169 (10.4) | NC38 B X P |
DGX165 | 165.1 (6-1/2) | 70 (2-3/4) | 9-5/8 | 32.3 ~ 53.5 | 334 | 3169 (10.4) | NC50 B X P |
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