2014年9月24日星期三

Common breakdown causes of drilling shale shaker screen

In drilling mud solids control system, shaker screen is used not only on shale shaker, but also desander, desilter and mud cleaner to separate the solids in the drilling fluids solids control system. In different period, people invented different types of shaker screens, such as conventional flat screen, corrugation screens, and with square meshes, hexagonal meshes, diamond meshes, etc.
shaker screen
Shaker screen

And different geological condition may require different ability and type of shaker screens. But in different times, people used different ways to describe the ability of screens.

The oilfield drilling fluids shake shaker for drilling mud system is the important drilling solids control equipment, which is used as first stage solids control equipment.

The following are the common breakdown causes of oilfield drilling shale shaker screen:
1. Mishandling of screen panels during storage,
2. Improper handling during installation,
3. Improper installation of shaker screen onto shaker basket,
4. Over/under tensioning,
5. Dirty, worn or improperly-installed deck rubbers,
6. Improper cleaning of the screens while in storage,
7. Extremely high mud weight,
8. Heavy solids loading,
9. Improperly manufactured screens,
10. Use of high pressure wash guns to clean or un-blind screens.

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