DMaC flowline and armoured umbilical system
DMaC flowline and armoured umbilical systems share many operational and dimensional specifications and are presented as a single system specification except for data that is obviously only relevant to either the flowline or armoured umbilical system.
|
| Working depth |
600 to 2500 metres, depending on build configuration |
| Installation slope tolerance |
+/- 5 deg. |
| Flowline size |
Up to 10 inch proven
12 to 24 inch designed |
| Maximum flowline length |
Dependant on flowline mass |
| Main Umbilical Connection Configuration |
Up to 4 electrical couplers
Up to 14 hydraulic couplers |
| DMaC Internal Working Pressure |
5000 psig (340 bar) in service 10,000
psi designed |
| DMaC Connection Porch Dimensions |
1.5m (w) x 1.3m (h) x 0.8m (d)
(1m between hub centres)
(1.75m between centres for 14 to 24 inch sizes) |
| DMaC Connection Porch weight |
1.6 Tonnes |
| Snag Load Resistance |
65 Tonnes |
| Bending Moment Resistance |
40 Tonne metres |
| Torque Resistance |
23.1 Tonne metres |
| Hub Configurations |
Hubs can be to a bespoke configuration with either multi-bore, single bore or control system configurations. Current models include single bore flowline from 6-inch to 10-inch and a range of multi-bore flowline hubs including 6X6X2, 8X2X2, and 6X2. Current armoured umbilical hub configuration includes 14 Hydraulic and 4 multi-pin electrical connectors. |
| Pullhead dimensions (typical) |
3.3m (l) x 0.76m (w) x 1.7m (h) |
| Pullhead weight (in air) |
1.5 - 2.0 Tonnes |
| Pull In Tool mass in air |
4.5 tonnes |
| PIT deployment basket mass in air |
3 tonnes |
| PIT pull in force |
25 tonnes |
| Minimum pull in speed |
1 metre / minute |
| Docking probes pull in force |
25 tonnes |
| PIT winch rope capacity |
150 metres of 18 mm Kevlar rope |
| PIT/Interface skid hydraulic connectors |
32 x 1/4 inch quick disconnect |
| PIT/Interface skid electrical connectors |
3 x 12 pin wet mateable |
| PIT/Interface skid mechanical connectors |
15 Tonne lift capacity |
| DMaC ROV minimum power requirement |
56 kW (75 hp)
75KW (100HP) preferred for strong current environment |
DMaC Fly to Place System
FTP umbilical normally close to neutrally buoyant, umbilicals are deployed in a basket, and even long umbilicals over 200m can be deployed by this method.
|
| Working depth |
3000 metres |
| Maximum umbilical length |
280+ metres |
| Maximum configuration |
7off 1/4" hydraulic + 4off 1/2" hydraulic + 4off 9pin electrical or4off 1/4" hydraulic + 6off 1/2"hydraulic + 4off 9-pin electrical |
| Maximum hydraulic connector size to date |
1/2" |
| Maximum electrical connector size to date |
9-pin |
Unit weights and key dimensions
Note: 3 standard plate sizes available |
Type 1 |
Type 2 |
Type 3 |
| Inboard Sizes (WxDxH) |
450x582x665 |
540x582x665 |
620x582x665 |
| Inboard Weight |
75kg |
85kg |
94kg |
| Outboard Sizes (WxDxH) |
353x640x1088 |
455x640x1088 |
535x640x1088 |
| Outboard Weight |
90kg |
95kg |
99kg |
| Protection Cover Sizes (WxDxH) |
330x640x492 |
420x640x492 |
500x640x492 |
| Protection Cover Weight |
55kg |
60kg |
65kg |
| DMaC ROV minimum power requirement |
56 kW (75 hp)
75KW (100HP) preferred for strong current environments |
