滚子方补芯
滚子方补芯是一种常用的井口工具。适用于17 1/2″-49 1/2″的转盘。
Roller Kelly Bushing
Roller Kelly Bushing is one of common wellhead tools. It can be applied to rotary table from 17 1/2″to 49 1/2″
滚子方补心技术参数
|
方钻杆尺寸 Kelly Size |
高度(mm) Elevation |
底座(mm) Bedplate Size |
锥度 Tapering |
|||
|
in |
mm |
上部 Top |
下部 Lower |
对边 Opposite Side |
大端 Large End |
|
|
3 1/2 |
88.9 |
406 |
356 |
332 |
φ332 |
1：3 |
|
4 1/4 |
107.95 |
|||||
|
5 1/4 |
133.35 |
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Specification of Roller Kelly Bushing