Attachments for well drilling machines in the nature of overshots 007-4659
打捞筒类钻井机附件
Chinese
打捞筒类钻井机附件
English
Attachments for well drilling machines in the nature of overshots
Spanish
Accesorios para máquinas perforadoras de pozos, como los sistemas de sobrepaso
- Term ID
- 007-4659
- Class
- 07
- Type
- Goods
- Status
- Active · added, not since modified (A)
- Effective date
- 2023-09-21
- Version
- 12-2023
Official English notes
Overshots are well drilling machine tools used to grip and retrieve objects stuck within a wellbore by lowering the tool over the object.