Bentonite Supplier for Oil Field Industries. It is a drilling – grade Bentonite which is naturally occuring clay .It is a High Yield Natural Sodium montomorillonite. It meets API 13A Standards.
Bentonite, very fine grind material mostly composite by clay mineral, especially montmorrilonite which chemically describe as hydrous alumina-silicate which contain small amounts of alkali and alkali -earth metals.
Product Technical bulletin
Description: It is a drilling – grade Bentonite which is naturally occuring clay .It is a High Yield Natural Sodium montomorillonite. It meets API 13A Standards.
• It is Viscosifier and Filtration control agent for water based Mud Systems.
• It is used in drilling muds for controlling bore hole stability. It is utilized in drilling muds to extract drill cuttings from the bit.
• It is also used for clearing cat litter.
• It helps improve hole cleaning capacities of drilling fluids.
• It is effective as a filtering agent.
• It promotes borehole stability.
• It can be added directly to fresh water or fresh water based drilling fluids.
Montmorillonite Content : 70-72%
|Viscometer Dial Reading at 600 rpm||API Spec. 13A:2004/ ISO 13500: 1998||r/min||30||36|
|Specific Viscosity||Mud Speed||Min. 1||1.15|
|Yield Point / Plastic Viscosity Ratio||API Spec. 13A:2004/ ISO 13500: 1998||_||3 Max||2.5|
|Water Absorption Rate||–||–||Min 450||550-600%|
|Filterate Volume||API Spec. 13A:2004/ ISO 13500: 1998||ML||15 Max||14.6|
|Swelling Index||More Than 19||Min. 17||19|
|Moisture Content||API Spec. 13A:2004/ ISO 13500: 1998||% by weight||10.0 max.||9|
|Dry Screen Analysis(Residue Greater than 75 Microns)%||API Spec. 13A:2004/ ISO 13500: 1998||% by weight||4.0 max.||3.0 – 4.0|
|pH Value||pH Standard Meter||8 – 9||9|
|Wet Strength||More Than 0.505kg/cm2|
|Physical State||:Free Flowing Powder|
|Viscometer Dial reading at 600 r/min||: Min 30|
|Yield Point/Plastic Viscosity Ratio||: Max 3|
|Residue of diameter greater than 75um||: Max mass friction 4,0%|
|Filtrate Volume||: Max 15.0 Cm3|
|Moisture||: 10% wt percent max|
Packing : 50 Kgs, 1000 Kgs and 1500 Kgs Jumbo Line Bag
Difference Between Sodium Bentonite and Calcium Bentonite :
Bentonite is naturally occurring hydrated Alumina Silicate, there are two main varieties, calcium and sodium, where sodium Bentonite is the more commercially important. Calcium Bentonite deposits are much more common than sodium Bentonite deposits. However, calcium Bentonite can be changed to sodium Bentonite by the ion exchange process. The swelling type or sodium Bentonite, which has single water layer particles containing Na+ as the exchangeable ion. The other has double water layer particles with Ca++ as the exchangeable ion. It is called calcium Bentonite or non-swelling type.The clay-water characteristics are of primary importance. The chemical composition of the Bentonite is a consideration only because changes in physical properties accompany changes in chemical composition. Sodium Bentonite swells or expands to a greater degree than its calcium equivalent. Small percentage of cation exchange sites are occupied by another ion, such as calcium, a state is developed in the clay which promotes both optimum swelling and fastest hydration. Sodium Bentonite has higher swelling capacity, this property develops higher viscosity in suspensions, greater state of disaggregation, formation of smaller clay particles or greater colloidal properties.
|Composition of Bentonite||Percentage value|
|Caustic Soda||0.55, A0.1%|
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