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China, Chinese Drag Bit Drilling Bit Certificated Oil Well Drilling Tools in The Field of Petroleum1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Petroleum Equipment MachineryPetroleum Machinery PartsDrag BitDrill Bit
Puyang Chensheng Petroleum Technology Co., Ltd.
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Product Description DRAG BIT Drag bit:PDC drag bit for geological exploration are suitable for soft to medium hard rock formations. and some new types of PDC drag bits can be applied to rock layers with a hardness of ten levels.It is a commonly used tool in workover operations, used to drill cement plugs, flush sand bridges, salt bridges, scrape off dirt and hard wax on the casing wall, and some mineral crystals. It can also scrape the wellbore to make the well wall smooth and neat, and can be used for drilling inside the liner, drilling during sidetracking (which can damage the keyway formed during sidetracking), or drilling and grinding the perforation shell pad. Under the action of drilling pressure, cement and other drilled objects are ingested at the bottom, and then the ingested part is cut in the circumferential direction through rotation, gradually removing the drilled objects. The side part will be ground and milled to form a cylindrical space, which can effectively repair the drilled wellbore.Multi wing scraper:The drilling efficiency is extremely high in soft rock layers, making it suitable for drilling. The number of crown fins increases or decreases with the size of the drill bit diameter. This type can meet the needs of large-diameter drilling. φ 65- φ 450 side scraper: suitable for small-diameter drilling. The concave three wing scraper drill bit with a diameter of 50, 56, 60, and 65 has strong adaptability and good stability when drilling in complex rock formations, making it the preferred tool for completing general drilling. φ75-φ153 PDC cone scraper drill bit.Overview:A drag bit is a drill bit usually designed for use in softformations such as sand,clay,or some soft rock.However,they will not work well in coarse gravel or hard rock formations.Uses include drilling water wells,mining,geothermal and environmental explora- tion drilling.Whenever possible,they should be used to drill pilot holes because they produce cuttings that are easiest to log.
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