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STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

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Drilling Muds and Completion Fluids 695<br />

SCREEN MESH<br />

DISPERSION<br />

m<br />

DISPERSION<br />

I<br />

I I I<br />

t<br />

0.1 1.0 10 7. 700 1wO 1mo<br />

PARTICLE SlZEUlCRONS<br />

I I I I I<br />

0.-(Y Omormol omm 0110381 0.W<br />

PARTICLE SlZE.lNCHES<br />

I<br />

0.394<br />

Figure 4-117. Size range of solids in unweighted muds [29].<br />

SCREEN MESH<br />

i.0 2.0 10 74 1w<br />

PARTICLE SIZE. MICRONS<br />

0-<br />

I<br />

I<br />

QQOOOSU<br />

I<br />

I<br />

0- 0110381<br />

PARTICLE SIZE. INCHES<br />

I<br />

I<br />

oms 0.3s<br />

Figure 4-118. Size range of solids in weighted muds [29].<br />

Mud-Related Hole Problems<br />

Table 4-58 summarizes general hole problems related to the use of their<br />

drilling mud [25].<br />

Tables 4-59 through 4-61 summarize formation related hole problems in<br />

surface, intermediate, and production drilling, respectively.<br />

(text continued on page 701)

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