Company founded 1975 US-based machinery business experienced in worldwide sales.

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John Brown & Co Ltd, Sonata Design, 1965, 200' Max Water Depth, 18040' Drilling Depth, 85 Crew Accommodation

John Brown & Co Ltd, Sonata Design, 1965, 200' Max Water Depth, 18040' Drilling Depth, 85 Crew Accommodation

Description

  1. Overview
    1. Update: 2005 –
    2. Port of register: Panama
    3. Class: A1 drilling platform
    4. Classification society: ABS
    5. Documentation: Panama Register Corporation with Certificado de Modu
    6. Maximum water depth: 200 ft
    7. Drilling depth: 18,040 ft
    8. Maximum variable load: 2,370 st (on site) – 1,350 st (towing)
    9. Jacking system: Hydraulic, electrically powered
    10. Jacking speed: 1 fpm
    11. Hull dimensions: 170 ft length, 130 ft width, and 17 ft depth
    12. Legs: 4 lattice tubular legs with 22 ft side x 25 ft high equilateral triangle spud cans
    13. Drilling area: 32.5 ft x 20 ft
    14. Quarters: Accommodation for 85 crew members
    15. Helideck: 80 ft x 61 ft, capacity 9 t – rated for AS 332
  2. Capacities
    1. Drill water: 400 t
    2. Diesel fuel: 170 t
    3. Potable water: 100 t
    4. Drilling mud: 1,600 barrels
    5. Mud and weight material: 3 bulk 1,230 cuft each
    6. Cement: 3 cement bulk 1,230 cuft each
    7. Sacks (mud and chemical): 3,800 sacks – 56 m2 area – 160 t
  3. Power
    1. DC systems: Six D 398 Caterpillar engines with GE 752 generators
    2. Systems AC: Two D 399 Caterpillar engines with 1,012 kVA - Kato generators
    3. One D 398 Caterpillar engine with an AC 500 kVA – Kato end and GE 752 DC generators
    4. Emergency power: One Scania DS 11 engine with 310 kVA 97 A WEG generator
    5. DC distribution system: General Electric
  4. Safety Equipment
    1. H2S and gas detection: Alarm system: Bacharach Instrument Co.
    2. Other detectors: Various heat, smoke and flame detectors located throughout accommodation and working areas
    3. Survival crafts: 2 capacity for 60 persons each
    4. Life boats: Capacity for 114 persons
    5. Other safety equipment: Life buoys and life jackets distributed throughout accommodation, working areas; fire fighting equipment as required by regulatory bodies
    6. Rescue boat: Sea boat with 25 hp outboard engine (6 persons)
  5. Auxiliary Equipment
    1. Cranes: 2 unit 500 with 85 ft boom; capacity 23 t
    2. Air compressors: 2 rotary screw Gardner Denver 460 cfm model EDF QLA and Atlas Copco 750 cfm GA 110 W model 1
    3. Welding machines: 400 amp/440 V Mark VIII – 8
    4. Well testing equipment: 2 60 ft complete well test booms
    5. Other: 1 biological aerobic sewage disposal unit and Hamworthy oil water H.S.10 MKII
    6. Communication/navigation: Radio and navigation system to comply with regulations
  6. Drilling Equipment
    1. Derrick: Dreco 30 ft x 45 ft x 140 ft, 1,200,000 lb max, 12 lines
    2. Crown block: Dreco 760 C 583, 583 t, with seven 60 in sheaves grooved for 1 3/8 in drilling line
    3. Travelling block: National 660 G 500, with 60 in sheaves grooved for 1 3/8 in
    4. Hook: National T, 500 t
    5. Draw works: National 1,320 DE, driven by one 750 hp, GE-752, DC motors
    6. Eddy-current brake: Baylor Elmagco 6032
    7. Rotary table: National C-375, 37 1/2, driven by one 750 hp, GE-752, DC motor
    8. Kelly: 2 Omsco 5 1/4 in x 40 ft square
    9. Kelly spinner: International A-6B
    10. Instrumentation: Martin Decker/Totco
  7. Mud Process and Circulating
    1. Mud pumps: 2 Gardner Denver PZL-11-C, triplex pump, each driven by 2 750 hp, GE-752 DC motors
    2. Stand pipe: 2 Demco 5 in x 5,000 psi
    3. Mud agitator: 5 Lighting
    4. Shale shakers: 3 Brant King Cobra linear motion shaker
    5. Desander: Swaco 312, 1,400 gpm at 60 psi
    6. Degasser: Swaco D-Gasser, 700 gpm
    7. Mud cleaner: 1 King Cobra linear motion shaker and 1 dissolver 16 x 4 in hydrocyclone
  8. Well Control BOP Equipment
    1. Ram type preventer: 1 Cameron double U – 13 5/8 in x 10,000 psi, H2S trim
    2. 1 Cameron single U – 13 5/8 in x 10,000 psi, H2S trim
    3. 1 Shaffer double LWS – 21 1/4 in x 2,000 psi, H2S trim
    4. 1 Hydril GK - 13 5/8 in x 5,000 psi, H2S trim
    5. 1 Hydril MSP - 21 1/4 in x 2,000 psi, H2S trim
    6. Diverter: 1 Regan KFDJ – 29 1/2 in x 2,000 psi, H2S trim
    7. Choke manifold: FMC, 3 1/6 x 10,000 psi, H2S trim
    8. Super choke: 1 Swaco hydraulic operated choke 2 9/16 in x 10,000 psi, H2S trim
    9. Accumulators and control unit: NL Shaffer model T-20150-3S
    10. Test unit: Koomey model S-20-G-10000
    11. Inside BOP: 2 Omsco 6 1/2 in OD x 4 1/2 in IF, 10,000 psi
    12. Kelly valve: Hydril 7 in OD x 3 in ID, 4 1/2 in IF CX x pin
  9. Drill String and Handling Equipment
    1. 5 in DP x 4 1/2 IF grade “G” and “S”, 19.5 ppf
    2. 5 in HW DP x 4 1/2 in IF
    3. 9 1/2 in drill collar x 7 5/8 in reg
    4. 7 3/4 in drill collar x 6 5/8 in reg
    5. 6 1/2 in drill collar x 4 1/2 in IF
    6. Stabilizers: Set of stabilizers for 36, 26, 12 1/4 in and 8 1/2 in hole sizes
    7. Roller reamer: Rotary roller reamer for 17 1/2, 12 1/4 in and 8 1/2 in hole sizes
    8. Elevators: Set of elevators for 5 in DP, drill collars and casing
    9. Slips: Set of slips for 5 in DP, drill collars and casing
    10. Tongs: For 5 in DP, drill collars and casing
    11. Spinning wrench: Varco SSW-10 hydraulic casing tongs Eckel 13 3/8 in
  10. Fishing Tools
    1. Overshots: Bowen series 150, 7 7/8, 8 1/8 in and 11 1/4 in OD
    2. Jars: Bowen Z oil jar, 6 1/2 in and 8 in OD
    3. Bumper subs: Bowen fishing bumper sub 7 3/4 in OD
    4. Spears: AZ Marine for 7, 9 5/8, 13 3/8 in and 20 in casing
    5. Others: Magnets, taper taps and casing scrapers
  11. General Background
    1. The rig has available an ABS class inspection report and was last refurbished in 2005.
    2. This rig had nearly 80% of the steel replaced over the last 10 years and is in overall very good condition because these repairs were completed with oversize replacement plate.
    3. The rig is in need of some minor repairs to bring her fully back into class, but nothing major for a rig of this age.
    4. The lower legs are strengthened.
    5. For transporting, the upper legs are like new; a few bracings need attention in the 5 ft region; the main bracing are in class.
    6. One ballast tank needs attention and will need a refit; mud pits were renewed 3 years ago.
    7. 2 points on the lower hull need attention where it is localized pitting only (pin points only); rest of tanks acceptable.
    8. Some plating will need replaced but not a huge amount.
    9. Decks are in good shape as is the accommodation and heli deck.
    10. The capital equipment is all in working order.
    11. The derrick is only around 20 years old and it is capable to take a top drive.
    12. The legs have weighted spuds and the hull has a raked bow for towing.
    13. Chief engineer and some key crew would be available in the interim.
  12. Rig - Basic Outline Details
    1. Originally built by John Brown & Company Limited - Glasgow Scotland in 1965.
    2. Refurbished: Extensively refurbished within last five years – regularly well maintained.
    3. Registered: In Panama – Panama.
    4. Classification society: American Bureau of Shipping - Class A 1 drilling platform.
    5. Maximum water depth: 200 feet.
    6. Drilling depth: 18,040 feet.
    7. Maximum variable load: 2,370 short tons - 1,350 towing.
    8. Jacking: Hydraulic - electrically powered.
    9. Jacking speed: 1 foot per minute.
    10. Hull dimensions: 170 feet length x 130 feet wide x 17 feet depth.
    11. Legs: 4 lattice tubular legs - with 22 feet side x 25 foot high equilateral triangle spud cans.
    12. Drilling area: 32.5 feet x 20 feet.
    13. Accommodation for 85 crew members – independent hospital.
    14. Helideck: 80 feet x 61 feet, capacity 9 t, rated for AS 332.
  13. Capacities
    1. Drill water: 400 tons.
    2. Diesel fuel: 170 tons.
    3. Potable water: 100 tons.
    4. Drilling mud: 1,600 barrels.
    5. Mud and weight materials: 3 bulk 1,230 cu ft each.
    6. Cement: 3 cement bulk 1,230 cu ft each.
    7. Sacks (mud and chemicals): 3,800 sacks - 5 cu meter area - 10 tons.
  14. Power
    1. DC systems: Six D398 Caterpillar engines with General Electric GE 752 generators.