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STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

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808 Drilling and Well Compl '<br />

*I. '..<br />

I<br />

f<br />

I<br />

Natural -<br />

Diamond<br />

Cutters<br />

Tapered Double '<br />

Cone Profile<br />

D2R5<br />

/\<br />

- Medium Stone<br />

Size (5-6 SPC)<br />

and Medium Set<br />

' Radial Flow<br />

Hydraulics<br />

Figure 4-162. Example of natural diamond bit with radial<br />

design [54]. (Courtesy SPE.)<br />

flow hydraulic<br />

Steel Body - S744<br />

PDC<br />

Inverted<br />

Profile<br />

- Medium Size<br />

Cutters with<br />

Light Cutter<br />

/ \ Density<br />

Ribbed with<br />

Changeable Nozzles<br />

Figure 4-163. Example of steel body PDC bit with inverted profile [54].<br />

(Courtesy SPE.)

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