Key technologies for safe and scientific drilling in soft coal seams(Chinese Edition) - Couverture souple
Synopsis
Language:Chinese.paperback.Pub Date:2023-09.publisher:Coal Industry Press.description:Paperback. Pub Date: 2023-09 Publisher: Coal Industry Press: This book systematically expounds the relevant basic theories and the latest research results in recent years. Focusing on the problem of drilling slag removal. it studies the main factors
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Key technologies for safe and scientific drilling in soft coal seams(Chinese Edition)
Vendeur : liu xing, Nanjing, JS, Chine
Évaluation du vendeur 5 sur 5 étoiles
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2023-09 Publisher: Coal Industry Press: This book systematically expounds the relevant basic theories and the latest research results in recent years. Focusing on the problem of drilling slag removal. it studies the main factors affecting drilling slag removal. the blockage mechanism of drill cuttings migration. and the time effect of borehole blockage; it proposes two efficient slag removal drilling methods: resistance reduction and drainage and pressure. N° de réf. du vendeur DS056841
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Expédition depuis Chine vers Etats-Unis
Expédition depuis Chine vers Etats-Unis
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