| 发明名称 |
MODULAR TOP DRIVE SYSTEM |
| 摘要 |
A modular top drive system for construction of a wellbore includes a motor unit. The motor unit includes: a drive body; a drive motor having a stator connected to the drive body; a trolley for connecting the drive body to a rail of a drilling rig; and a drive ring torsionally connected to a rotor of the drive motor and having a latch profile for selectively connecting one of: a drilling unit, a casing unit, and a cementing unit to the motor unit. |
| 申请公布号 |
US2016215592(A1) |
申请公布日期 |
2016.07.28 |
| 申请号 |
US201615006562 |
申请日期 |
2016.01.26 |
| 申请人 |
Weatherford Technology Holdings, LLC |
发明人 |
HELMS Martin;LIESS Martin |
| 分类号 |
E21B41/00;E21B3/02 |
主分类号 |
E21B41/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A top drive, comprising:
a drive body; a drive motor, wherein a stator of the drive motor is connected to the drive body; and a drive ring torsionally coupled to a rotor of the drive motor, wherein the drive ring has an internal latch profile for selectively receiving a tool. |
| 地址 |
Houston TX US |
