"Diorit" type drilling ship (project 05031)

"Diorit" type drilling ship
project 05031

 PHOTOS
LIST OF VESSELS 



 In total 6 units were built from 1982 to 1989. This type is modified "Alpinist" type trawler.
Purpose of the vessel:     - drilling of engineering-geological wells with depth up to 150 m
Length OA (m) 53.74
Length BP (m) 47.92
Breadth extreme (m) 10.71
Molded breadth (m) 10.50
Depth to upper deck (m) 6.00
Load draught, average (m) 4.26
Displacement (tonnes) 1185
Deadweight (tonnes) 282
Gross tonnage / Net tonnage (register tons)
762 / 228
Main engines:

    - Main engine number, power (Bhp each)
1*1320
    - Main engine model
SKL  8NVD 48A-2U
    - Speed of rotation (r.p.m.)
428
Shaft generators:

    - Shaft generators  model
MSK 113-4375
P-102M
    - Shaft generators number, power (kW each)
1*300
2*86
    - Speed of rotation (r.p.m.)
1500
-
    - Rated voltage (V)
400
320
    - Current type AC
DC
Auxiliary diesel generators:

    - Diesel engine number, power (Bhp each)
-
    - Speed of rotation (r.p.m.)
-
    - Engine model
-
    - Generators number, power (kW each)
3*150
    - Generator model
-
    - Rated voltage (V)
400
Emergency diesel generator:
    - Diesel engine power (Bhp)
-
    - Speed of rotation (r.p.m.)
-
    - Engine model
-
    - Generator power (kW)
50
    - Generator model
-
    - Rated voltage (V)
400
Dry cargo spaces number, cubic capacity (cub. m) 2*363
Derricks number, lifting capacity (tonnes) 2*1.0
Drilling rig and accessories:

    - Model
ZIF-1200 MRK
    - Spindle rotational speed (rpm)
85-820
Additional anchor winches:

    - Number and model
    - Drag force of the drum (kN) 40
-
    - Pulling speed (m/min) 32
-
    - Rope capacity (m) 1000
2000
    - Rope diameter (cm) 26
22
Diesel oil tanks (tonnes) 160
Fresh water tanks (tonnes)
68
Speed (kn) 12.5
Crew (persons) 19
Scientists and drilling rig personnel (persons) 7
Number of units 6
Start of building 1982
Finish of building 1989
Built by Yaroslavskiy SSZ, Yaroslavl, USSR
Notices:
        - During construction of a series of vessels of one project, in their design some changes can be made and the above-stated characteristics can be changed insignificantly.
        - The above-stated characteristics are taken on the vessel "Diorit" with yard No.601. In brackets can be shown other variants of the given characteristic.
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