Giàn khoan tự nâng PV DRILLING II được đóng theo mẫu thiết kế tiêu chuẩn của Công ty Keppel Offshore & Marine cho thế hệ mới nhất của giàn tự nâng – KFELS Class B MOD V & đăng kiểm ABS, hoạt động tại các khu vực biển Đông Nam Á, Đông Á & Viễn Đông, Úc & Châu Đại Dương… với độ sâu đáy biển lớn nhất là 121.92m.
Giàn được trang bị bằng các hệ thống máy móc hiện đại với công nghệ mới nhất, đặc biệt là hệ thống khoan với thiết bị chủ yếu được cung cấp từ Công ty National Oilwell Varco như Top Drive TDS-8SA, 3000 HP National Drawwork, VFD, 14-P-220 Mud Pump, Amphion Drilling System…
Giàn PV DRILLING II có khả năng thi công giếng khoan có độ sâu đến 30,000 ft (tương đương 9,144m chiều sâu khoan) và cùng lúc có thể có đến 120 người cùng tham gia làm việc trực tiếp trên giàn. Giàn khoan PV DRILLING II đã được đưa vào hoạt động từ quý 3 năm 2009.
General Description
|
Rig name/ Type
|
PV Drilling II/ Independent legs, Cantilever,
Jack-Up
|
|
Design
|
KFELS MOD V B CLASS MOBILE
|
|
Built/year
|
KFELS Singapore/2009
|
|
Classification
|
ABS
|
|
Overall Dimension
|
234ft × 208ft × 25ft
|
|
Legs
|
Three legs 517ft
|
|
Cantilever
capacitiy
|
Max.distance from rear of barge to center line of
well 70ft.
Well pattern retangular 30ft × 70ft.
Load rating drilling condition 1500 kips @ 70ft on
center line
|
|
Helideck
|
83ft × 83ft, at least of 13 MT take of weight /
504.45sq.m
Sikorsky S-61N, S92 and MI-17
|
|
Water depth
|
400ft
|
|
Accommodation
|
120 persons
|
|
Max drill depth
|
30,000ft
|
|
Operating
conditions
|
Max wave height 36ft, corresponding wave period
8.7 sec.
Current at surface 4.0 Knot, max wind speed 70
Knot.
Current at 164ft below surface & mud line 2.33
Knot.
|
|
Storm conditions
|
Max wave height 48ft, corresponding wave period
9.6 sec.
Current at surface 4 Knot, max wind speed 100
Knot.
Current at 164ft below surface & mud line 2.4
Knot.
|
Drilling Equipment
|
Derrick
|
WOOLSLAYER/ API STD 4F-Q1, 170ft clear
height
Static hook load capacity 1,500,000 w/14 lines
With of base 36ft × 36ft; With of top 16ft ×
16ft.
|
|
Racking platform
|
210 stands of 5 7/8’’ DP, 10 stands of 8’’
DC, 8 stand of 9 ½’’ DC.
|
|
Drawwork
|
3450HP (NOV/ADS-10T Automated Drawwork
System)
Driven by 03 GEB-22A-2 high torque motors, 1150HP
for ea.
|
|
Top drive
|
NOV/TDS-8SA-750 T 63,000 ft-lbs continuous.
|
|
Rotary table
|
NOV 49 ½’’ AC Rotary Rated Capacity 750 ST, driven
by an hydraulic motor
1150Hp @ continuous rating@ 5 RPM and 1400 Hp @
intermittent rating.
|
|
Iron roughneck
|
NOV/ AR3200M-Power Turnable. Max make-up: 100,000
ft-lbs,
Max break-out: 120,000 ft-lbs, (DP/DC from 2
7/8’’ to 9 ¾’’ OD).
|
|
Mud pumps
|
Three NOV/14-P-220, 2200 HP triplex pumps, ea driven by two motor GEB, 1150HP
Rated @ 7500 Psi WP.
|
|
Solid control
|
Shale shaker: 5 primary NOV/Brandt-VSM300.
Dessander NOV/ Brandt-P10C03VB10’’, Desilter
NOV/Brandt- SE-16
Degasser NOV/Brandt-DG-10. Mud cleaner.
|
|
BOP’s stack
|
18 ¾’’ stack 15K SHAFFER
H2S service c/w 2 × 3 1/16’’ 1500K
Hydraulic & 2 × 3 1/16’’ 15000 Manual Valve.
|
|
Diverter system
|
VETCO GRAY,2000psi KFDJ hydraulic diverter system
suitable for 49 ½’’ Rotary table 14’’ ID SCH80 overboad line to Port and Starboard sides c/w
14’’ ball vavle type.
|
|
Control system
|
NOV 2T 1000-3S, 3000 psi WP, Electrical
pumps 24 Bottles ×15 gallons.
|
|
Choke and Kill
|
3 1/16’’ × 15000, H2S service w/ 2ea
Manual Adjustable Chokes and 2 ea × Power Chokes.
|
Storage Capacities
|
Fuel
|
4,700 bbls
|
|
Drill water
|
4,673 bbls
|
|
Portable water
|
2,492 bbls
|
|
Active + Reserve
|
3,686bbls
|
|
liquid mud |
|
|
Brine storage |
855 bbls |
|
Base oil
|
454
bbls, up grade to 2000 bbls 2011
|
|
Bulk Bentonite/ Barite
|
6000
ft3
|
|
Bulk cement |
6000 ft3 |
|
Sack
material
|
5,000 sx |
Power Equipment
|
Diesel Engines
|
5 ea. Caterpillar-3516B DITA, 1383B KW
|
|
AC Generator
|
5 ea. KATO. 1505 Kw; 2150 KVA |
|
Emergency engine
|
Caterpillar 3508B DITA, 865 BKW
|
|
Emergency generator
|
LERROY SOME/LSAM 50 Max out put 680 KW
|
Cranes
|
Capacity main
hookload
|
100,000 lbs @20ft and 24,200 lbs @120ft.
|
|
Capacity whip
line
|
22,000 lbs @ 23.6ft and 21,600 lbs @126.6ft
|
|
Working
radius
|
Main hoist 20ft to 120ft; Auxilary hoist 23.6 ft
to 126.6ft
|
|
Hoisting
speed
|
Main hoist.
SWL 50 T, speed 0-46 ft/minute
SWL 11 T, speed 0 -148 ft/minute
|
Jack-up Specifications
|
Legs
|
Triangular Shape Lattice with 3 corner
members
|
|
Leg
Spacing
|
Transverse 142ft, Longitudinal 147.25 ft
|
|
Spuds
Cans
|
Round shape with hard points
|
|
Spud can area
|
42.2ft Diameter × 19ft high
|
|
Jacking
system
|
Rack and Pinion, OTD, 12 Pinions per leg, total
of 36 pinions,
capacity pinion jacking 1000 kips ( normal
jacking)
1300 kips (preload jacking); 1,869 kips ( max.
normal holding load)
Jacking speed up 1.50 ft/min, Jacking speed down
1.50 ft/min
|
Mooring Equipment
|
Winches
|
Electric motor 2 speeds(w/rated speed:
735/1640rpm). Four ea Plimsoll Corporation/ PC-EMW/SD-40/100. AC electric motor.
|
|
Anchors
|
DANFORTH × 4
|
|
Anchor
lines
|
Four length, 2625ft × 1 ¾’’ OD,
IWRC, EIPS, Galvanized, one spare length
|