The shale shaker is the primary equipment for purifying drilling fluid and is also the most important equipment in the solid control system. If the large harmful solid phases (mainly drill cuttings) are not removed using the shale shaker for initial purification, other solid control equipment cannot be used properly. At the same time, the shale shaker is also the most frequently used solid control equipment. Whether drilling, circulating drilling fluid, or performing other operations, the shale shaker must be used to purify the drilling fluid. Let's understand the construction and usage precautions of the shale shaker to use it correctly and maximize its effectiveness.
The shale shaker is mainly composed of a motor (an old shale shaker is equipped with one motor with an eccentric shaft; the currently used shale shaker is equipped with two linear motors), a transmission shaft, a pulley, a base, a screen frame, a screen mesh (both single and double screen meshes are available), springs, and rubber vibrators. After years of improvements, the sand removal effect of the shale shaker has significantly improved. There are many models of shale shakers currently in use. The models equipped on different drilling rigs also vary, but most are linear high-frequency shale shakers. According to the equipment configuration requirements, each drilling rig should be equipped with at least two shale shakers, and large drilling rigs should be equipped with three shale shakers.
Different screen meshes should be selected according to different well sections, formations, drilling speeds, cuttings amounts, and drilling fluid viscosity. Choosing the appropriate screen mesh can achieve the best rock cutting removal effect.
The decision to use one, two, or even three shale shakers should be based on the circulation displacement, amount of cuttings, and drilling fluid viscosity to achieve the purpose of removing cuttings while preventing the drilling fluid from escaping the shale shaker.
The screen mesh angle and inlet baffle position should be adjusted based on the distribution and flow of the drilling fluid on the screen surface to achieve the purpose of removing cuttings while preventing the drilling fluid from escaping the shale shaker.
If the screen mesh is damaged, it should be replaced promptly; otherwise, it will seriously affect the removal of cuttings.
The screen surface of the shale shaker should be cleaned when not in use.
Maintenance of the shale shaker should be carried out according to usage requirements.
As one of the professional shale shaker suppliers, BZ Solids Control is dedicated to producing various types of shale shakers for sale to meet the personalized needs of customers. Feel free to consult and purchase.
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