Shanghai Rich Chemicals Co., Ltd.

Products > Oilfield Chemicals

 

 

Well Hole Stabilization Agent ST-1

 

1.Property
Well stabilizer is the wellface stabilizer with special property for drilling. The main material of this product is oil asphalt, 
it appear as brown fragile slice or flowing powder. Its density is 0.98g/cm3, the product is partly water soluble and partly 
oil soluble, and it has good emulsification ability, ST-1 is suitable for every kind of drilling fluid system.

2.Quality indexes

Item

Index

Appearance

Black powder

PH

8-10

Moisture, %

≤8.0

Dimethyl sulfoxide content, %

≥50.0

Water soluble content, %

≥90.0

lipophilicity, ±

-

HTHP. FL reducing rate, %

≥40.0

3.Use

It could emulsify the fresh water and salt water with oil; depress the solid expansion of drill chips; control HTHP FL, produce thin and tenacious mud cakes; helps maintain low shearing rate under HTHP, cheans and stabilizes well holes that have a great deal of collapsing shales.

●stabilize shale stratum
●reduce rotative torque and prevent jamming
●substitute of oil, including crude oil, waste engine oil and diesel oil
●depress the solid expansion of drill chips
●control HTHP FL
●produce thin and tenacious mud cakes
●recommended quantity to add: 1-4%
4.Storage and Package

25Kg net sealed in 4-in-1 compound paper bag with plastic lining. During storage and transport please ensure the bag is intact. But its property is not affected even if it becomes damp.


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