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What is the impact of too much sand content in drilling fluid on drilling construction?
Release time:
2019-09-21
Author:
Source:
1 It is easy to puncture the hydraulic end fittings of the drilling pump, shortening the life of the parts such as the valve seat, valve body, piston, cylinder liner and packing;
2 It is easy to puncture downhole drilling tools and drill bit water holes;
3 easy to puncture the ground high-pressure pipeline and assembly gate elbow;
4. If the drilling fluid in the well is too long, it will precipitate and form a sand bridge, which will cause resistance or jam during tripping;
5 If the static time in the circulation tank is longer, precipitation will also occur. It takes a lot of labor to clean the circulation tank, which is a hard work;
6 directly affect the stability of drilling fluid density.
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