API 7-1 REG Rotating Casing Scraper - Oilfield Downhole Tools 92-228mm O.D. for Well Cleaning
Professional API drilling rig casing scraper designed for efficient cleaning of oil and gas well casings. This rotating tool effectively removes cement, mud, embedded debris, rust, mill scale, paraffin, and perforation burrs from casing interior walls.
Maintaining clean casing internal diameter is critical for optimal performance of all drilling tools. The casing scraper ensures proper operation of packers and similar equipment by providing clean gripping surfaces, preventing operational difficulties caused by foreign materials.
Features API REG box and pin connections, allowing installation in the drilling string between the bit and bit sub. The bit runs below the scraper to serve as a guide and prevent circulation hole plugging.
| Type | Mandrel O.D. (mm) | Max. O.D of Blade Extension (mm) | Min O.D of Blade Extension (mm) | Thread Type | Total Length (mm) |
|---|---|---|---|---|---|
| GX114 | 92 | 111 | 92 | 2 3/8 REG | 880 |
| GX127 | 103 | 121 | 103 | 2 3/8 REG | 880 |
| GX140 | 110 | 133 | 115 | NC31 | 1000 |
| GX146 | 110 | 139 | 121 | NC31 | 1000 |
| GX168 | 130 | 162 | 137 | 3 1/2 REG | 1150 |
| GX178 | 136 | 170 | 146 | 3 1/2 REG | 1150 |
| GX194 | 136 | 186 | 162 | 3 1/2 REG | 1200 |
| GX219 | 142 | 212 | 185 | 4 1/2 REG | 1400 |
| GX245 | 200 | 238 | 210 | 4 1/2 REG | 1500 |
| GX273 | 228 | 268 | 237 | 6 5/8 REG | 1500 |
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