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Limestone ground (Calcareous powder) buy in Tashkent
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Limestone ground (Calcareous powder)

Limestone ground (Calcareous powder)

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Uzbekistan, Tashkent
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Technical characteristics
  • BrandTNGGS
  • Country of manufactureUzbekistan
  • Type of stonesLimestone
Description

CALCAREOUS POWDER

Calcareous powder is the fine product received by mechanical crushing of calcareous ore. Appearance of powder - beige color.

The offered new and traditional calcareous weighting compound, consists of carbonate breeds and has the following chemical formula SASO3.

Density of calcareous powder is equal to 2700 kg/m3 and possesses property to be dissolved completely in hydrochloric acid. This advantage of calcareous powder provides preservations of natural collection properties of productive layer. As a result of it productivity of oil and gas wells increases. By means of calcareous powder it is possible to prepare the weighted boring solutions with a density of 1500 - 1600 kg/m3.

Owing to the physical and chemical properties and features of a structure, calcareous powder possesses a number of qualities which distinguish it from chalk and other kinds of a carbonate of calcium it:

- the increased maintenance of a carbonate of calcium (more than 98,0-99,0%);

- the increased durability of grains;

- low porosity and water absorption;

- high refraction;

- low content of the painting oxides of iron, manganese, the titan, cobalt and as a result a high rate of a whiteness;

- low content of water-soluble salts;

- high solubility in mineral acids;

- low resistance to ultra-violet radiation;

Results of laboratory research on determination of the making heavier ability of calcareous powder:

Composition of drilling mud fluid

ρ

kg/m3

T500,

with

F,

cm3/30 of mines

Shopping mall,

mm

rn

1000 ml water +3 gr NaOH + 3 gr Na2CO3 +100 gr Shursuysky clay +5gr KMTs (Namangan)

1080

18

5.0

1.0

11.0

% No. 1+40 calcareous powder

1230

35

5.0

1.0

11.0

% No. 1+60 calcareous powder

1330

45

5.0

1.0

11.0

% No. 1+80 calcareous powder

1410

60

5.0

1.0

11.0

% No. 1+100 calcareous powder

1500

80

5.0

1.0

11.0

% No. 1+120 calcareous powder

1550

100

5.0

1.0

11.0

% No. 1+140 calcareous powder

1600

120

5.0

1.0

11.0

As show these tables of the carried-out laboratory researches by means of a carbonate weighting compound - calcareous powder received on the basis of limestone it is possible to prepare the fresh and mineralized clay boring solutions with a density up to 1500 - 1600 kg/m3.

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Limestone ground (Calcareous powder)
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