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.?

definition

Uniaxial?pressure?sealant?for?drilling?fluid

(one-way?pressure?sealant?for?drilling?fluid)

is?a?compound?product?of?several?natural?fibers,?filling?particles?and?some?

additives?by?special?technology?treatment?according?to?appropriate?ratio.

It?has?good?effection?on?plugging?the?leakage?of?stratum?under?the?action?of?

uniaxial?pressure(one-way?pressure).?

Convenient?use,?good?compatibility?and?no?affection?on?the?performance?

of?the?mud.??

Index?of?

main?properties

item

index

?

appearance

Yellowish-brown?

powder

?

Density??g/cm3

1.40?~?1.60

?

Sieve?rediue??%

(screen?aperature?0.28mm)

?

≤10.0

?

Moisture??%

≤8.0

?

Ignition?residue??%

≤7.0

?

Water?soluble?matter??%

≤5

?

Filtration?after?sealing

(30min.)ml

?

≤35.0

?

PH?value

7?~?8

?

Density?variation??g/cm3

≤+0.02

?

Remark:ignition?residue?is?only?

for?plant?fibers)

?

36?~?45%

property?

Index

of?drilling

?fluid

item

density

apparent?

viscosity

Plastic?

viscosity

filtration

Filtration?after?sealing

PH?value

?

Base?slurry

1.01~1.03

7~8

5~6

18`21

100%?filtration

9~11

?

Base?slurry+

specimen?4%

1.02~1.05

8~12

4~7

≤10

≤40ml

(30min.)

?

Recommended?

dosage

?

4%

packing

25kg/bag,?18ton/20’GP

definition

Plugging?agent?while?drilling?in?drilling?fluid?is?also?called?modified?vegetable

fibers.?It?is?a?composite?lost?circulation?product?composed?of?natural?

materials?and?manufactured?according?to?scientific?prescription.

Main?composition

High?activity?of?humic?acid?and?its?derivatives,?cellulose,?vegetable?

gum?and?pentosan?etc.

specification

60?mesh

Index?of?product

item

index

?

appearance

Light?yellow?or?grey?

yellow?powder

?

Sieve?rediue?

(screen?aperature?0.28mm)

?

≤10.0

?

PH?value

6.0?~?8.0

?

Moisture?%

≤8.0

?

Ignition?residue?%

≤7.0

?

properties?of??

drilling?fluid

apparent?

viscosity?

variation

?

?

±20.0

?

?

Density?g/cm3

≥1.00

?

?

Filtration?after?sealing

(30min.)ml

?

≤40

feature

High?speed?and?good?effect?on?plugging?the?leakage?of?pore?and?small?

crack.

?

Rapidly?form?a?impervious?shield?with?a?certain?strength?preventing?liquid?

and?solid?into?reservoir?in?order?to?protect?the?reservoir?undamaged.

?

Significantly?reduce?the?filtrate?loss?of?mud?and?no?affect?on?the?Rheological?

properties?of?mud.excellent?performance?of?high?temperature.

?

No?affection?by?electrolyte?pollution,?harmless?and?non-toxic

Recommended

dosage

1?~?2%?for?preventing?leakage

?

2?~?4%?for?plugging?pores?and?small?cracks?and?protecting?reservoir

?

4?~?6%?for?plugging?the?serious?leakage?layer

packing

25kg/bag

attention

Store?in?dry?and?cool?place,?avoid?sun?exposure?and?prevent?from?package?

damaged?and?damp

definition

Walnut?shell?is?processed?into?different?specifications

Of?particle?by?absorbing,?crushing?and?screening.

specification

6-10,?10-20,?20-30,?20-40,?40-60,?60-80,?60-100,?100,?200mesh?or?as?

per?client’s?request

feature

High?hardness,abrasion?resistance,good?pressure?resistance,stable?chemical?

properties,insoluble?in?acid?and?alkali,high?adsorption?&?sewage?interception,good?

hydrophily?and?anti-grease

founction

Used?as?filter

Used?as?plugging?material

?

It?can?remove?oil?and?solid?particles and

is?easy?to?backwashing?in?water?treatment.

Plugging?and?leakage-proofing

of?porous?stratum.It?brings?

better?effection?mixing?

with?other?plugging?materials.

application

Oil?drilling?field,chemicals,metallurgy, thermo?electricity,printing?&?dyeing,

papermaking, brewing?industry,curriery?industry

packing

25kg/bag?or?as?per?client’s?request

remark

We?can?also?produce?other?shells?particles?such?as?wild?jujube?shell,?cherry?shell,?

peach?shell,?apricot?shell?etc.