definition

Composite?plugging?agent?for?drilling?fluid?is?composed?of?various?

plant?hard?shells,?mica?flake?and?other?plant?fibers.

feature

Yellow?or?grey?yellow?powder,?non-toxic,?inert?material?free?from

?corrosion,?it?is?expanded?when?it?encountesr?water.

application

Suitable?for?the?plugging?of?the?crack?in?oil?drilling?and?chinky?

stratum.The?effect?is?much?better?if?used?together?with?other?plugging?

agents.

Quality?standard

item

standard

?

density(g/cm3)

?

1.0?~?1.65

?

Sieve?residue

(standard?sieve?0.28mm)

?

<10.0

?

Moisture?%

<9

?

Ignition?residue?%

<8

?

Water?soluble?matter??%

<5

?

PH?value

7.0?~?9.0

?

Remark:ignition?residue?is?only?for?plant?fibers)

?

36?~?45%

index?of?

products?

properties

item

index

?

?

FD-1

FD-2

?

moisutre?%

≤15.0

≤15.0

?

Fineness?%

Standard?sieve

?

?

?

?

?

>5mm

≤5.0

≥10.0

?

?

5?~?0.9mm

≥40.0

≤40.0

?

?

0.9?~?0.6mm

≤30.0

≥20.0

?

?

<0.6mm

≥20.0

≥20.0

packing

25kg/bag

attention

Store?in?ventilative?and?dry?place?and?preventing?from?rain?and?moisture.?