ISBN: 9787030439154 - 水平连通井井眼轨迹设计与控制技术 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2015-3-1 Pages: 95 Publisher: Science Press horizontal wells communication (also known as U-type well) belongs directional well technology in a special expertise. special underground for coal bed methane. underground mining and other soluble exploitation of resources. the technology has to increase effective supply range. conductivity. well production and recovery factor. etc. but in the actual drilling process. often due to low precision trajectory cont.…