主权项 |
1. A connection lift system for oil and gas drilling, comprising:
a core component being cylindrical and having a first end and a second end, the core component being configured to match rig equipment; a ring-shaped component being cylindrical, said ring-shaped component being configured to match a tubular component; wherein said core component is configured to couple to said ring-shaped component and in addition, further configured to couple to at least another ring-shaped component differing from said ring-shaped component in size, material, or configuration. |