适用于Varco/BPM/JH顶驱系统的油田钻机备件——内置防喷器（IBOP）
内置防喷器（Inside BOP）是一种特殊工具，可通过防喷器预装装置快速连接到后续钻具上。当钻具提升过程中发生井喷时，内置防喷器具有耐高压、密封可靠、操作简便、切换迅速等诸多优点。
| Type | The Center Distance Mm | Overall Length Mm | Weight Kg | Remark |
| upper IBOP DXS197/105-6 5/8REG | 262 | 522 | 76 | |
| lower IBOP DXS215/105-7 5/8REG | 272 | 541 | 100 | |
| upper IBOP DXS197/105-6 5/8REG | 258 | 582 | 88 | Double female buckle, double switch |
| lower IBOP DXS197/105-6 5/8REG | 256 | 512 | 76 | |
| upper IBOP DXS187/105-6 5/8REG | 273 | 571.5 | 74 | Double female buckle, double switch |
| lower IBOP DXS187/105-6 5/8REG | 281 | 524 | 66 | |
| IBOP DXS197/105-6 5/8REG | 304/508 | 960 | 150 | |
