| |
|
Inventor: Benjamin; Joseph Reginald
Address: London, W1X 2QU, EN
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4061233 |
Drilling rigs |
December 6, 1977 |
| A drilling rig mounted on a bore inclined to the vertical in which transfer of drill strings from a store to the bore is effected on the low side of the rig. |
| 4050590 |
Drilling rigs |
September 27, 1977 |
| A drilling rig assembly mounted on a pile, the store for drill strings to be used in drilling being in the form of a carousel mounted concentric with the pile. |
|
|
|