产品说明:
1、用途:打油田井、打水井,矿山、煤矿开采,地质勘察、水文探测、工程打桩、地热开发、桥梁等钻探领域
2、IADC编码:113,,114115,117,127,137,214215216216227237,314315316317325326327,415425435445,417427437,517527537,515525,617627637,615625,732,832
3、尺寸:31/2,37/8,41/2,51/2,6,61/2,71/2,81/2,83/4,91/2,95/8,105/8,121/4,133/4,143/4,151/2,16,171/2,20,22,23,24,26,28,30
4、适用地层:粘土、软地层、中硬地层和硬地层,岩石层
5、小订购量:1只