news

• 2019-02-22

  how to run casing on the drilling rig platform

  ZHENGZHOU, February -28, 2019. How to run casing on the drilling rig platform. Firstly put the casing on the bottom of the platform. The box thread end on the...

• 2019-01-28

  stop collars for centralizers

  ZHENGZHOU, January -28, 2019. Stop collars. Stop collars are used in casing cementing process to fix the casing centralizers. They can prevent the casing cen...

• 2018-12-24

  type of casing centralizers

  ZHENGZHOU, December-28, 2018. Casing centralizers are made for centralizer the casing when run into the oil well. There are many types of casing centralizers, ...

• 2018-11-22

  bow spring centralizers

  Compare of 420mm and 305mm tall bow spring centralizers.

• 2018-10-25

  different height of bow spring centralizers

  Compare of 420mm and 305mm tall bow spring centralizers.

• 2018-09-26

  composite centralizer coated with Teflon

  composite centralizer coated with Teflon delivered to Russia

• 2018-08-29

  Stamped casing centralizer

  ZHENGZHOU, August-29, 2018. Stamped casing centralizer. One of our important customer request for stamped casing centralizer. This is the first time of our cli...

• 2018-07-30

  rigid centralizer order from Russia

  We have got many rigid centralizers from Russian customers

• 2018-06-28

  How to test casing centralizer

  For the solid body centralizers, we need to test the ID , OD and length, the number of blade according to the confirmed drawings. If the quantity is small we w...

• 2018-05-31

  Casing centralizers function in oil well cementing

  ZHENGZHOU, May-22, 2018- Casing centralizers function in oil well cementingAfter drilling well in oilfield, it needs to cement the oil well, in cementing oil ...