Giàn khoan tự nâng PV DRILLING I 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 90 m.
Giàn được trang bị 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 I có khả năng thi công giếng khoan có độ sâu đến 25.000 ft (tương đương 7.600 m) và cùng lúc có thể có đến 120 người cùng tham gia làm việc trực tiếp trên giàn.
Hoàn tất và hạ thủy tại Xưởng Pioneer Yard của Công ty Keppel FELS & Marine-Singapore vào ngày 24 tháng 3 năm 2007.
General Description
Rig name/
Type
|
PV DRILLING I/ Independent legs, Cantilever, Jack-Up |
Design
|
KFELS MOD V B CLASS MOBILE
|
Built/year
|
KFELS Singapore/2007
|
Classification
|
ABS/A1 Self- Elevating Drilling Unit
|
Overall
Dimension
|
234 ft × 208 ft × 25.5 ft
|
Legs
|
Three legs 437 ft
|
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
|
300ft
|
Accommodation
|
12 persons
|
Max drill
depth
|
25,000ft
|
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
8.7 sec.
Current at surface 4 Knot, max wind speed 70
Knot.
Current at 164ft below surface & mud line 2.4
Knot.
|
Drilling Equipment
Derrick
|
MH- Pyramid/ API STD 4F-Q1, 170ft clear
height
Static hook load capacity 758 MT w/12
lines, 1,300,000 lbs
With of base 36ft × 36ft; With of top 16ft ×
16ft
|
Racking platform
|
200 stands of 5 ½’’ DP, 9 stands of 8’’ DC, 10
stands of 9 1/2’’ DC
|
Drawwork
|
3450HP (NOV/ADS-10T Automated Drawwork
System)
Driven by 03 GEB-22A-2 high torque motors, 1150HP
for ea. C/w 100% Dynamic braking System.
|
Top drive
|
NOV/TDS-8SA-750 T 63,000 ft-lbs
continuous.
Make-up: 95,000 lbs/ft
Break out: 103,000 lbs/ft
|
Rotary
table
|
NOV 49 ½’’ AC Rotary table part No.
D-495.
Rated Capacity 850 ST, driven by an
independent electric 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: 4 NOV/Brandt-VSM300.
Dessander NOV/ Brandt-P10C03VB10’’, Desilter
NOV/Brandt- SE-16
Degasser NOV/Brandt-DG-10.
|
BOP’s
stack
|
21 ¼’’ stack 2000 psi CAMERON; one 2000 psi
annular + one 2000 double ram BOP + one 2000 psi single ram BOP.
13 5/8’’ stack 10000 CAMERON one 10000 annular +
one 10000 double ram BOP + 10 single ram.
H2S service c/w two hydraulic
valves.
|
Diverter
system
|
CAMERON 500 psi, type 29 ½’’ annual BOP
Two 12 ½’’ discharge lines and two 14’’
300#RTJ ball valves
14’’ OD-SCH 80 Pipe- ID 12 ½’’ running from
diverter to starboard & port sides.
|
Control
system
|
CAMERON hydraulic BOP control unit.
24 bottles × 11 gallons- Pneuumatic
Accumulator
|
Choke and
Kill
|
3 1/16’’ × 15000, H2S service w/ 2ea
Manual Adjustable Chokes and 2 ea × Power Chokes
|
Storage Capacities
Fuel
|
4,738 bbls
|
Drill
water
|
5,000 bbls
|
Portable
water
|
2,492 bbls
|
Active + Reserved
|
3333 bbls
|
liquid mud
|
|
Brine
storage
|
3,297 bbls
|
Base oil
|
670 bbls
|
Bulk Bentonite/
Barite
|
6000 ft3
|
Bulk
cement
|
6000 ft3
|
Sack
material
|
5,000 sx
|
Power Equipment
Diesel
Engines
|
4 ea. Caterpillar-3516B DITA, 1717 KW
|
AC
Generator
|
4ea. ABB/AMG560S4DBABC,2000KW
|
Emergency
engine
|
Caterpillar 3508B DITA, 865 BKW
|
Emergency
generator
|
SR 4B-800 KW
|
Cranes
Capacity main
hookload
|
110,250 lbs @30ft and 23,000 lbs @124 ft.
|
Capacity whip
line
|
20,050 lbs @ 125 ft and 18,000 lbs @132 ft.
|
Working
radius
|
23.31 ft to 132 ft
|
Hoisting
speed
|
Max: 2 m/s. 3 ea hydraulic – electric × 50 MT (
King Post crane/ 48 DNS- 120 HD-2.25)
|
Jack-up Specifications
Legs
|
Triangular Shape Lattice with 3 corner
members
|
Leg
Spacing
|
Transverse 142ft, Longitudinal 129 ft
|
Spuds
Cans
|
Octagon shape with hard points
|
Spud can area
|
42.2 ft Diameter × 19 ft high
|
Jacking
system
|
Rack and Pinion, OTD, 12 Pinions per leg, total
of 36 pinions,
capacity pinion jacking 800 kips ( normal
jacking)
1,040 kips (preload jacking); 1,480 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
|
Four DANFORTH/PLIMSOLL type “ FLIPPER’ Delta
Anchors, Weight 6.9 MT
|
Anchor
lines
|
Four length, IWRC RHOL –Galvanized
Lubricated. Length 800 m, dimater 44.45mm.
|