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heavy/light Calcium Carbonate
heavy/light Calcium Carbonate
Supplier Info
[China Supplier]
Contact Person : Mr. Arora Vinay
Tel : 86-532-68607667
Fax : 86-532-68607668
Product Detail
Calcium Carbonate Acid-soluble, high-purity to minimize formation damage High hardness Essential inert,minum effect on fluid

CALCIUM CARBONATE

 

General Description

Calcium Carbonate is a high purity ground marble. It is used as a bridging and weighting agent in drilling,work over and completion fluids. It is preferred over limestone because it is generally more pure with a higher hardness and it provides better acid solubility.

Application

 Calcium Carbonate is an acid soluble additive used for bridging and weighting agent for a controlling fluid loss and density. As a bridging agent and fluid loss-additive, normal concentrations are in the 10 to 50lb/bbl range (29 to 143 kg/m3). Calcium Carbonate can also be added on a periodic basis for seepage control to limit losses (lost circulation and leak--off) to high permeability formations. It is particularly effective when drilling with high differential pressures caused by an overbalanced condition or when drilling depleted zones. Treatments range from 2 to 10 sacks per hour when used a preventative measure. For depleted zone drilling or induced fracture applications,Calcium Carbonate is most effective when used in combination with Graphite additive.

Advantages

 Acid-soluble,high-purity product which minimizes formation damage

High hardness, Calcium Carbonate resists particle-size degradation

Essential inert,minimum effect on fluid properties

 Specification

Physical Appearance

White Powder

Specific Gravity

2.7 Min.

Solubility in 15% HCL

98% Min.

Grade

Size Range (BSS mesh)

Coarse

30-80 Mesh

Fine

300 Meshes

Medium

150 Meshes

Packaging & Storage

Calcium Carbonate is packed in 25,50,and 1000 Kgs HDPE sacks with polyliner

  

heavy/light Calcium Carbonate

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