Drill String
AssemblyThe racked tubulars that reach the formation: ~1,200 joints of drill pipe plus heavy-weight collars and the bit, made up stand by stand to 40,000 ft total depth capability. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Drill String
4 top-level lines as of r50316| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Drill Pipe Joint | drillship-drill-pipe-joint | 1200× | 1,200 | · | part |
| 2 | Drill Collar | drillship-drill-collar | 30× | 30 | · | part |
| 3 | Drill Bit | drillship-drill-bit | 1× | 1 | · | part |
| 4 | O-Ring Set | oring-set | 60× | 60 | · | part |