Applications

 

 
 
 
 

 

 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
Acid-soluble Carbonates

Imerys produces a range of ground carbonate powders which can be used as lost circulation materials, as drill-in fluids and as weighting agents. Imerys carbonate portfolio is composed of highly soluble sized marble, limestone calcium carbonates and dolomite powders from a range of global locations.

Properties

Calcium carbonate is composed of the crystalline mineral, calcite, which occurs naturally in the form of chalk, limestone or marble. Dolomite is also a naturally occurring crystalline mineral.

Imerys combine good quality feed materials, state of the art processing techniques and in depth market knowledge to generate a portfolio of products for the Drilling fluids industry.

Applications for Acid-soluble Carbonates

The high acid solubility of these calcium carbonates makes them readily removable.

The controlled particle size specifications of Imerys marble-based calcium carbonates makes them ideally suited for use as lost circulation materials especially as bridging materials and for the control of fluid loss in drill-in fluids, completion/workover fluids.

Carbonates are excellent acid soluble weighting agent in drilling, drill‐in and workover/completion fluids.

Imerys Acid-soluble carbonates portfolio

IMERYS calcium carbonates and dolomites are manufactured in USA, UK, France, Belgium, Italy, Tunisia, Turkey, Mexico, Malaysia, Japan and China (see our map of assets).

Our portfolio for oilwell cements:

Imerfill 3 - Fine grind calcium carbonate for cement PDS

Imerfill 15 - Medium grind calcium carbonate for cement PDS

Imerfill 25 - Coarse grind calcium carbonate for cement PDS

Our portfolio for drilling fluids:
(Click on the product name to obtain the corresponding data sheet)

carbonate OreCarbonate_Powdermarble Microscope

  Region Can be used as
Northern Europe Southern Europe/Africa Middle East Americas Asia
Particule Size Distribution (µm) <5 Imercarb 2L Carbital 115 Feria 1 Gamaco Imercarb 2 Fine
DRB 20 Imercarb 2G
10 Imercarb 10L Carbital 140 Imercarb 10G Calwhite Imercarb 10
DRB 30 Feria 10 Drikalite YBB 4
20   DRB 8/25 Feria 15 # 10 White Imercarb 35 Medium
DR 80 C Microwhite 100
50       RO-40
Marblemite
150   D 110   40-200   Coarse
>500       30-50 White  
XO White
OZ White
Acid Insolubility (%) 0.4 0.2 0.38 2 0.5  

 

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