原産地: | 中国(本土) | 銘柄: | zs | モデル番号: | 4 '-20' | を使用: | よくdriling |
包装
包装: | カートンによって、 木製ケースや木製のパレット |
api 5ct float collar
1. Descriptions:
Float collar and float shoe are essential conventional accessories for substructure of casing string. The float shoe or float collar is a kind of casing shoe or coupling which can produce buoyancy. With advantages of high temperature resistance, good sealing feature and east connection, the float shoe and float collar can be not only used in unclassified technical casing, oil layer casing but also in deep well, extra-deep well and special technology well.