DK329487A - PROCEDURE AND DRILLING FOR DRILLING A DRILL - Google Patents
PROCEDURE AND DRILLING FOR DRILLING A DRILLInfo
- Publication number
- DK329487A DK329487A DK329487A DK329487A DK329487A DK 329487 A DK329487 A DK 329487A DK 329487 A DK329487 A DK 329487A DK 329487 A DK329487 A DK 329487A DK 329487 A DK329487 A DK 329487A
- Authority
- DK
- Denmark
- Prior art keywords
- drilling
- opening
- tube
- lengths
- preparation
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Abstract
Drilling equipment, especially for offshore use, has a drilling floor or platform 11 with a derrick 10 extending upwards therefrom. A first hoist 12 connected to the top part of the derrick is used for passing a length of tube 19, such as a drill string or a well casing, through a drilling opening 18 defined in and extending through the drilling floor. The length of tube is connected to or disconnected from the drill string or well casing during the drilling operation, and such lengths of tube are stored in a storage area 31, 32 of the drilling floor. The lengths of tube may be transported from the storage area to the first hoist 12 and vice versa by means of first transporting means 22. The drilling floor or platform 11 also defines a preparation opening 21 extending therethrough at a location spaced from the drilling opening and from the storage area, and a second hoist or a preparation hoist 20 is connected to the top part of the derrick above the preparation opening. Two or more tubular sections may then be assembled to form lengths of tube at the preparation opening by means of the preparation hoist while the drilling operation is going on at the drilling opening, and the prepared lengths of tube may be transported to and stored in the storage area ready for use at the drilling opening. Similarly, lengths of tube may be disassembled into tubular sections at the preparation opening before they are transported from the drilling site. The possibility of assembling tubular sections to form lengths of tube and disassembling tubular lengths into tubular sections at the preparation opening while the drilling operation is going on at the drilling opening substantially reduces the necessary idle time in drilling operations. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK329487A DK168770B1 (en) | 1985-11-08 | 1987-06-26 | Method and drilling rig for drilling a borehole |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK517285 | 1985-11-08 | ||
DK517285A DK517285D0 (en) | 1985-11-08 | 1985-11-08 | PROCEDURE AND DRILLING FOR DRILLING DRILLS |
DK8600120 | 1986-10-29 | ||
PCT/DK1986/000120 WO1987002915A1 (en) | 1985-11-08 | 1986-10-29 | A method and a drilling rig for drilling a bore well |
DK329487 | 1987-06-26 | ||
DK329487A DK168770B1 (en) | 1985-11-08 | 1987-06-26 | Method and drilling rig for drilling a borehole |
Publications (3)
Publication Number | Publication Date |
---|---|
DK329487A true DK329487A (en) | 1987-06-26 |
DK329487D0 DK329487D0 (en) | 1987-06-26 |
DK168770B1 DK168770B1 (en) | 1994-06-06 |
Family
ID=26066980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK329487A DK168770B1 (en) | 1985-11-08 | 1987-06-26 | Method and drilling rig for drilling a borehole |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK168770B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10202808B2 (en) | 2013-03-15 | 2019-02-12 | Maersk Drilling A/S | Offshore drilling rig and a method of operating the same |
US10570672B2 (en) | 2013-03-15 | 2020-02-25 | Maersk Drilling A/S | Offshore drilling rig and a method of operating the same |
MX364271B (en) | 2013-03-15 | 2019-03-06 | Maersk Drilling As | An offshore drilling rig and a method of operating the same. |
-
1987
- 1987-06-26 DK DK329487A patent/DK168770B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK168770B1 (en) | 1994-06-06 |
DK329487D0 (en) | 1987-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PUP | Patent expired |