id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-30183	Zhang, Xudong; Yang, You; Zhang, Xiang; Dou, Kangyou; Dang, Yaru; Zhang, Pengfei	Push Force Analysis Optimization Based on Differential Evolution Method	2025	6	.pdf	application/pdf	4510	238	60	On the other hand, uneven distribution of push force can easily lead to bit wear and drill string vibration, reducing drilling efficiency and tool life, and affecting the control accuracy of the wellbore trajectory. Under the action of the pressure drop, the push block moves upward and generates a certain thrust, pushing the push wing ribs to extend outward and push against the wellbore wall, generating a certain magnitude and direction of push force.	cache/ajst-30183.pdf	txt/ajst-30183.txt