Design Optimization and Performance Analysis of the Pneumatic DTH Hammer with Self-Propelled Round Bit

Although pneumatic down-the-hole (DTH) hammers have good performance of high penetration rate and minimal deviation tendency in the vertical section of oil and gas wells, they have not been successfully used in directional drilling due to drill tool wear and wellbore disturbance. Herein, we develope...

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Bibliographic Details
Main Authors: Kun Bo, Siyuan Sun, Yong Hu, Maosen Wang
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.1155/2021/6653390
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