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The unique characteristics and functions of weighted drill pipes
release time：2024-04-09
source： network
Weighted drill pipe is a transitional drill string section between ordinary drill pipe and drill collar, which has some unique characteristics and functions.
Firstly, weighting the drill pipe can effectively alleviate the stress concentration in the transition section between the drill collar and the drill pipe, provide drilling pressure, and reduce the connection area and outer diameter wear rate between the drill string and the wellbore. This helps to reduce drilling accidents and improve the efficiency of drilling operations.
Secondly, weighted drill pipes have some significant characteristics. Its drill pipe joints are longer than ordinary drill pipes, providing a larger wear-resistant surface and weight. The joint threads can also be repaired multiple times. In addition, the weighted drill pipe is heavier than the drill pipe of the same size, and the wall thickness increases by 2-3 times, which enhances its structural strength and durability.
In terms of application scenarios, weighted drilling rods are widely used in fields such as construction engineering, geological exploration, and underground pipelines. For example, in construction projects, it can be used for piling, anchoring, earthwork and other engineering projects; In geological exploration, it can be used for the exploration of resources such as rocks, coal, and oil; In underground pipeline engineering, it can be used for laying and repairing underground pipelines and cables.
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