Application of Solid Control Technology in Oil Drilling, HDD Crossing, and Geothermal Drilling Engineering

solid control equipment

Solids control is a technique used on a drilling rig to separate the solids produced by crushed drill bits and other debris from drilling fluids or mud. Solid control equipment can be used in oil exploitation, horizontal directional crossing engineering, geothermal drilling engineering, and so on. The performance and quality of drilling fluid solid control equipment is the key to solid control technology. The drilling fluid solid control system mainly includes three parts: a drilling fluid circulation tank, drilling fluid purification equipment, and electrical control equipment. Among them, drilling fluid purification equipment mainly includes a shale shaker, desander, desilter, vacuum degasser, centrifuge, sand pump, agitator and blender, etc., and can also be equipped with drilling chip recovery and waste liquid treatment devices for environmentally sensitive areas.

Solid control equipment focuses on the development of sand, mud, and vacuum degasser equipment with a small footprint, high efficiency, and long life, and is integrated with high-speed centrifuges to achieve automatic detection and control according to test results.

The solid control system consists of four shale shakers and two vertical cutting dryers (i.e. dry shakers), the four shale shakers and vertical cutting dryers are connected in parallel, and the drilling fluid returned from the well is distributed by the drilling fluid distributor to the four shakers and dryers for processing, and the solid particles separated by them are processed by the other. The dryer is treated to further dehydrate the particles. The leached liquid is recovered and the dried particles are expelled, and the dryer is actually a fine-mesh shale screen with a screen tilt of 10° to reduce liquid loss.

In recent years, the theoretical research and manufacturing process level of drilling fluid solid control equipment has been greatly developed, especially in the theoretical research of the working principle of the shale shaker and the working principle of the cyclone separator, which has reached or close to a very high level. There is a certain gap between the performance and life of solid phase control equipment and foreign solid phase control equipment, mainly in terms of materials, processing technology, processing accuracy, and the quality of general equipment (such as motors).

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The function of solids control system in the process of oil drilling

The solids control system in the oil drilling process mainly realizes the control and separation of the solid phase and the liquid phase of the drilling fluid, and recycles the drilling fluid, also known as the mud purification system. The solids control system is composed of several modular combined tanks to avoid mud settling at the bottom of the mud tank. A stirring device is designed on the mud tank. The tanks of the entire circulation system are independent and connected to each other to form a certain technological process meets the requirements of mud purification and meets the technical requirements of oil drilling construction.

Design multiple purification equipment in the solids control system. The supporting equipment contains shale shaker, mud agitator and desilter, etc., to reduce the discharge of waste cement slurry, avoid environmental pollution accidents, improve the safety and environmental protection of oil drilling construction, and achieve green drilling Construction needs.

For oil drilling operations, vertical wells are the simplest drilling task. However, directional wells and horizontal wells are difficult to drill and are complex drilling operations. The solids control system for drilling construction is to meet the technical requirements of drilling fluid solids control. Through the solids control equipment, the solid content in the drilling fluid is reasonably controlled, and the purification of the drilling fluid is strengthened to make its performance meet the technical requirements of complex drilling construction. Reduce the cost of drilling construction as much as possible, improve the quality of oil drilling construction, and meet the needs of oil and gas field exploration and development.

KOSUN- China Solids Control Leader&Drilling Waste Management Expert
WhatsApp/Wechat:+86 18792396268
Contact person: Lily Wang
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KOSUN Solids Control System Project Going Well

KOSUN was founded in Xi’an China in 1992. At present, KOSUN is smoothly conducting continuous production of several sets of solids control system ordered by a customer and the project progress is drawing to a close.

Solids Control Systems

Solids control system is also called drilling fluids purification system, primarily applied for solids control and solid-fluid separation in drilling fluids so that the drilling mud might be recycled. Consisted of 3-7 module composite tanks and configured with 4 phases of purification equipment, it is fit for 2000-7000 meter oil drilling processes. The whole system is innovative with the bottoms of its purification tanks made to be conical and its edges equipped with mud agitating system to prevent solids from depositing. Besides, its tanks and bins may be comparted or united depending on the demands of drilling processes. Each of them is connected to another via pipe network in which the valves at the bottom of suction pipes are flexible while being opened, but can turn to be a good seal when closed.

This batch of solids control equipment includes centrifuges, vacuum degassers, cleaners, mud agitators, shear pumps, screw conveyors, etc.

During the rough time of the oil & gas industry, KOSUN is still deeply trusted by numerous customers at home and abroad by dint of over 20 years of profound brand and technology accumulations, favorable market reputation, etc. KOSUN will provide higher-quality products and more perfect service systems in return to our customers.

Kosun- Solid Control System Company