An offshore oil field drill bit

Abstract

The invention discloses a marine oil filed drill head. The marine oil filed drill head mainly comprises a connecting rod and a drill body, the top of the drill body is fixedly connected with a base plate of the connecting rod, the drill body comprises a drill head body and multiple auxiliary drills, the auxiliary rods are arranged on the substrate end face of the drill head body, the drill head body is conical, grinding particles are uniformly fixed to the auxiliary rods, a water opening is formed between two adjacent auxiliary rods and is in a streamline shape, the auxiliary rods are enclosedin an arc shape with the drill head body being the center axis, the bottom of the auxiliary drill is slightly lower than the bottom of the drill head body, and a hard alloy layer is fixed to the bottom of the drill head body. The marine oil filed drill head is simple in structure, practical, safe and convenient to use, the diving efficiency of well drilling can be effectively ensured, the adapting service life of the drill body is also ensured, the drill head body is utilized to lead drilling with the point, then the auxiliary drills are utilized to conduct drilling with the surface, it is ensured that a rock stratum can be firstly cracked under the leading effect of the drill head, through whole surface drilling of the auxiliary drills, the practical effect can be ensured, and the practicability is ensured.

Description

technical field [0001] The invention relates to the technical field of processing tools, in particular to an offshore oilfield drill bit. Background technique [0002] A drill is a tool used to drill through holes or blind holes in solid materials and to ream existing holes. Commonly used drills mainly include twist drills, flat drills, center drills, deep hole drills and casing drills. Although reaming drills and countersinking drills cannot drill holes in solid materials, they are also customarily classified as drill bits; when digging holes, the drill bit rotates with the vertical shaft and moves axially at the same time. The soil is cut under the torque and axial force of the drill bit, and loosened under the extrusion and centrifugal force of the working blades, forming a soil flow that is pressed to the pit wall and lifted to the surface along the page. When the soil flow moves to the place where there is no pit wall, the broken soil is thrown around the pit due to t...

AI Technical Summary

Problems solved by technology

[0003] At present, with the continuous development of oil exploration technology and the continuous improvement of oil exploration technology, the requirements for drill bits used in oil exploration are also getting higher and higher. The oil exploration drill bits in the existing technology are too simple. Using the same drill bit for different geology will cause the drill bit to be damaged. wear and tear, shorten the service life of the drill bit, and affect the progress of drilling

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