company name: gansu lixinyuan microsilica co. ltd
contact person: manager sun
telephone: 0931-8516622
phone: 18919161001
email address: microsilica@gslxy.cn
fax: 0931-8507755
website: www.gslxy.cn
address: no. 2599, yanbei road, chengguan district, lanzhou city, gansu province
when microsilicar is used as external admixture of oil well cement, sio2 content and water content are very important. the better effect is achieved when the content of sio2 is greater than 85%, and the content is better than 90%, while the less the water content is, the better. microsilicon products can be divided into three types: original ash, semi-encryption and encryption. most of the products used in cementing are semi-encryption products, and encryption products are used in the construction industry.
microsilica can fill the pores between cement particles, and at the same time, it produces gels with hydration products. adding appropriate amount of microsilica into cement can play the following role:
1) significantly improve the strength of cement stone and the permeability of cement slurry.
2) it can protect water, prevent segregation and reduce pump resistance.
3) significantly extend the service life of oil wells, especially in harsh environments such as chloride pollution erosion, sulfate erosion and high humidity.
4) at high temperature, ca(oh)2 released by cement hydration reacts with ca(oh)2 to produce csh gel resistant to high temperature and improve its high temperature strength.
type: 92 semi-encrypted | specification: 25kg/ bag |
it exports semi-crypto products and is commonly used in oilfield cementing abroad. product liquidity of this specification >18cm.ph value 7.5.
consulting
