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PDC cutting structures excel across diverse formation conditions and offer PDC reamer sizes between 6 1/4 to 42 inches. Tailored for varying hole reaming dimensions, PDC Reamer's robust design augments both lifespan and drilling distance. In horizontal directional drilling, the PDC Reamer's specialized design ensures a smoother, steadier borehole. Its distinctive chip removal channel promotes swift cuttings evacuation, enabling rapid drilling with reduced torque and pressure.
| PDC Hole Opener | ||||
| No. Formation | IADC number | Lithology | Appropriate PDC bit type | |
| 1 | Very soft | S123 | Clay Mudstone Marlite | 1944S, 1952 |
| 2 | soft | S223 S233 | Marlite Saline rock Shale | 1942D, 152GS, 1952AGS, 1952A,1652, 1362GR |
| 3 | Medium soft | 5323 5324 S334 | Shale Sandstone Chalk | 1952GRS, 1952AGRS, 1963AGS, 1652S, 1653S, 1363AGRS, 1362GR, 1652DGS |
The advantages of the PDC reamer are: lower torque required, less vibration of the drill pipe, no moving parts, high reliability, good hole quality, repairable and replaceable cutting tools, and a general diameter of 100 ~ 190 mm.
