Use Sodium bentonite in drilling fluid

 

Use Sodium bentonite in drilling fluid

Bentonite

One of the most important uses of bentonite in Iran and abroad is in the drilling industry, so that the most exports of bentonite to this particular type are bentonite. The standard bentonite drill produced in Iran is divided into two types. Bentonite for drilling with the standard Ekma And with the API standard.

The type of bentonite used in oil and gas drilling is sodium bentonite type. By releasing bentonite in water, the relatively large sodium bentonite shells are converted to colloidal particles and release the electrical energy stored in the crystalline network, and about 15 to about They swell 30 times the size of the initial volume. This property is used in drilling to disperse heavy materials and cut off drilling, thus creating bentonite on the wall of the well and preventing the migration of oil and gas, making the wall stable and lubricating the drill. Bentonite also absorbs organic and inorganic materials from a mixture of water and helps to absorb and increase the viscosity of drilling debris.
Bentonite forms 5 to 5% by weight of water borne flowers, although in other types of oil drilling, such as oil or artificial ones, it is also found to be more popular, in some cases 1-2% or completely with polymers Will be replaced.
This technique has been used in these industries about 70 years ago, its standard feature of deterioration and high levels of seams, as well as spraying, are the most important reasons for using bentonite in these industries.

Use Sodium bentonite in drilling fluid

Sodium bentonite in drilling fluid

Bentonite in the drilling industry is undeniable in the combination of drilling fluid. The unique features of this rock have led the clay men to use bentonite as a multi-purpose additive in their drilling fluid building. One of the most important uses of bentonite is to cool and slip drill and drill legs, to clean drill and drill wells, to transfer crumbles to the ground, to control grapes, etc. All of these actions are performed by properties such as slippery, viscosity, weight, gel resistance And the ability to fabricate (Filtrate control) that creates the stone in the drilling fluid. Based on the type of cation in clay minerals, sodium bentonite and calcium bentonite are one of the most important types of bentonite. Sodium bentonite (Bentonite type Wyoming) is the most suitable type of bentonite in aquatic mud due to its high water absorption capacity, high inflammation and high gel properties.

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