US20110180266A1 - Drill ship for deep sea intervention operations - Google Patents

Drill ship for deep sea intervention operations Download PDF

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Publication number
US20110180266A1
US20110180266A1 US13/001,897 US200913001897A US2011180266A1 US 20110180266 A1 US20110180266 A1 US 20110180266A1 US 200913001897 A US200913001897 A US 200913001897A US 2011180266 A1 US2011180266 A1 US 2011180266A1
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United States
Prior art keywords
drill ship
ship
crane
deckspace
operations
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Abandoned
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US13/001,897
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English (en)
Inventor
Niels Elmbo
Thomas Danielsen
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AP Moller Maersk AS
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AP Moller Maersk AS
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Priority to US13/001,897 priority Critical patent/US20110180266A1/en
Assigned to A.P. MOLLER-MAERSK A/S reassignment A.P. MOLLER-MAERSK A/S ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DANIELSEN, THOMAS, ELMBO, NIELS
Publication of US20110180266A1 publication Critical patent/US20110180266A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/03—Pipe-laying vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting

Definitions

  • the drill ship is configured to operate in multi-tasking environments for subsea oil and gas field development and maintenance, including various subsea operations up to 7,500 feet of water depth.
  • the drill ship includes capabilities for connected 16′′ riser well intervention and work over programs, heavy lift subsea construction programs, connected 16′′ riser small outer diameter tubing hanger completion programs, riserless tophole large outer-diameter drilling and casing batch programs, and connected riser remedial drilling and slim hole well construction.
  • the design of the drill ship incorporates elements to ensure safety of personnel and environmentally efficient and “green” operation and construction.
  • the ship exceeds the Mobile Offshore Drilling Unit (MODU) Passenger Vessel Intact and Damage Stability regulations.
  • MODU Mobile Offshore Drilling Unit
  • the design also incorporates concepts for protected temporary safe refuge muster concepts. Provisions on the ship are also made to form exhaust NOX emission reactors.
  • the design of the ship's hull incorporates a small force “hull form” which provides low fuel consumption within an environmental class. Furthermore, the hull is double-hull compliant and includes nitrogen-blanketed hull methanol and helifuel storage capability.
  • the deck of the ship includes automated deck tubular handling systems along with pipe racking systems and a riser handling system. Furthermore, knuckle-boom cranes are implemented on the deck for above-deck and subsea operations. Finally, a regulation-sized helipad is provided on the bow section of the ship.
  • the light displacement hull includes a variety of operational areas and systems, including a blowout preventer (BOP) handling system, a 135 ⁇ 8′′ subsea BOP, a 16′′ pressurized riser system, a box tower hoisting and lowering system with a top drive and an active heave compensated drawworks, the heavy-lift heave crane, and the medium duty deck crane.
  • BOP blowout preventer
  • the power systems on the ship include a plurality of 2,200 horsepower fluid pumps and 2,200 horsepower cement units.
  • FIG. 1 is a slide view of a first embodiment of the drill ship of the present invention
  • FIG. 2 is a rear perspective view of the drill ship of FIG. 1 ;
  • FIG. 3 is a right front side perspective view of the drill ship of FIG. 1 ;
  • FIG. 4 is a right front side perspective view of the drill ship of FIG. 1 ;
  • FIG. 5 is a perspective view overlooking the deck of the drill ship of FIG. 1 ;
  • FIG. 6 is a right side perspective view of the hull of the drill ship of FIG. 1 ;
  • FIG. 7 is a rear, right side perspective view of the drill ship of FIG. 1 , showing portions of the deck operational areas;
  • FIG. 8 is a rear perspective view of the aft deck operational areas
  • FIG. 8 a is a top plan view of the aft deck area of the ship of FIG. 1 ;
  • FIG. 9 is a side perspective view of the drill ship of FIG. 1 ;
  • FIG. 10 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 11 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 12 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 13 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 14 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 15 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 16 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 17 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 18 is a cross-sectional plan view of a portion of the drill ship of FIG. 1 ;
  • FIG. 19 is a perspective view of a portion of the deck of the drill ship of FIG. 1 ;
  • FIG. 20 is a top plan view of the drill floor for the ship of FIG. 1 ;
  • FIG. 21 is a side schematic view of a subsea BOP system with the embodiment of the drill ship of FIG. 1 ;
  • FIG. 22 is a perspective top view of the box tower hoisting and lowering system for use on the drill ship of FIG. 1 ;
  • FIG. 23 is a rear right-side perspective view of the heavy-lift active heave crane of the drill ship of FIG. 1 ;
  • FIG. 24 is an upper plan view of the rear portion of the deck of the drill ship of FIG. 1 ;
  • FIG. 25 is a perspective view of the medium duty deck crane for use on the drill ship of FIG. 1 ;
  • FIG. 26 is a cross-sectional view through the hull of the drill ship of FIG. 1 ;
  • FIG. 27 and FIG. 28 are schematic slender well construction examples for well operations using the drill ship of FIG. 1 .
  • the drill ship 1 includes a hull 10 , crew quarters structure at section 7 , a helipad 5 and a main deck 12 . Positioned on the aft region of the deck 12 are the box tower hoisting and lowering system and top drive 26 , a heavy-lift knuckle-boom seafloor active heave crane 50 , a medium duty seafloor and deck crane 60 , and an ROV installation with an integrated vessel control center 70 .
  • directional thrusters 3 are positioned at various points in the hull, and the engines and power systems are housed within the hull as shown at 2 . 4 azimuthing & 1 tunnel variable frequency thrusters are used. (20.3 MW combined thrusters rating), and capability to allow for loss of 1 Thruster in a Worst Case Compartment or Component Failure Mode which complies with requirements for redundant dynamic positioning capability.
  • the main hull 10 of the drill ship 1 is shown in the drawings at FIGS. 1-6 .
  • the hull 10 is formed for light displacement moderate environment conditions. In the preferred embodiments, the hull is 120 meters in length, 32 meters in breadth with an 8 meter operating draft.
  • the drill ship has 23,000 metric tons of operating displacement, and utilizes 75% less shipyard steel fabrication weight than conventional newly-built drill ships. It is important to note that the hull includes a wide beam-to-length ratio to provide for improved deck operability.
  • the connected standby meets the Hmax-11.8 m parameter.
  • the hull has a DP-3 stationkeeping with +15 knot transit rating.
  • the parameters for the hull are as follows:
  • the hull 10 of the drill ship 1 includes a wide deck area 12 for subsea operations.
  • the deck 12 includes an integrated system storage area 20 close to the control center 22 of the ship 1 as shown in FIG. 7 .
  • Also shown in FIG. 7 is the helipad 5 , crew quarters 7 , a tubular storage area 24 , the box tower 26 , and a pipe racking and handling system 30 . All of these integrated systems are rated for a water depth of up to 7,500 feet.
  • FIG. 8 A perspective view of the deck 12 is shown in FIG. 8 , which also shows the box tower hoisting and lowering system 26 , the heavy-lift heave crane 50 and the light-duty deck crane 60 .
  • the large ultra high capacity load rated open aft deck 12 is suitable for a wide range of configurations.
  • the loading on the ultra high capacity deck 12 is rated at 10-15 T/m2 (2,000-3,000 pounds/foot2). (Typically, on other types of global offshore drilling units, the load rating is only 500 pounds/foot2).
  • the high deck load rating allows a wide range of subsea well and subsea construction activities to be conducted including storage of subsea trees, assembly of coiled tubing or wireline intervention equipment, staging of subsea construction elements, storage of drilling equipment and many others.
  • the wide hull 10 allows for 1,050 m2 of usable unobstructed deck area.
  • the deck area in the aft region is also shown in the top plan view FIG. 8 a.
  • both the port and starboard sides of the hull 10 are integrated with the Remote Operated Vehicle (ROV) portion of the hull 10 is integrated with the ROV installation 70 .
  • the ROV installation 70 preferably includes an integrated vessel control center, with a system designed for dual work-class ROV systems.
  • Various integrated control centers and systems are shown as indicated in FIGS. 10 and 11 .
  • the hull design in the wide-beam of the ship allows for relatively large and comfortable crew quarters 7 , the configurations of which are shown for example in FIGS. 12 , 13 and 14 .
  • the ship quarters 7 provides for 140-person quarters and project office facilities.
  • 100 single man cabins 81 are shown and 20 dual man cabins 82 are provided.
  • a plurality of mess areas 83 are provided along with a plurality of galleys 84 and storage compartments 85 in the crew area.
  • FIGS. 17 and 18 the cross-sectional layouts of the crew areas in relation to the hull 10 of the ship 1 are shown in FIGS. 17 and 18 .
  • Tubular storage area 24 is provided for vertical storage of the tubulars in the midsection behind the operational control center 22 for the ship, as shown in FIG. 16 .
  • a cross-sectional area, vertically through the hull 10 is shown at FIG. 15 .
  • Various below-water facilities and operational areas in the lower decks, including engines 2 , engine control rooms 91 , workshops 92 and various utility rooms 93 are shown in FIGS. 15 and 16 .
  • the ship of the present embodiment includes seven decks above the bottom floor base 95 of the hull 10 at its highest elevation as shown in FIG. 16 .
  • the drill ship 1 includes a specialized and efficient handling system for the BOP as shown in FIGS. 19 and 20 .
  • the handling system 100 includes a hinged rig floor and unitized stack handling capabilities. Efficient workspace is provided by a driller control room 104 and vertical tensioning slip joint storage 106 .
  • the Subsea BOP system utilized in the present embodiment is a 135 ⁇ 8′′, 10 ksi, NACE-compliant BOP stack.
  • the BOP stack will be a conventional wellhead connector, double ram, annual ram, LMRP configuration.
  • a craneretrievable BOP/LMRP system may be provided with an infield wet storage of the deployed riser.
  • 3, 4 or 5 ram stack options are available, dependent on the subsea test tree requirements in the program implemented.
  • the riser may be a 16′′ slender riser implementation.
  • An MUX control system is also provided with 3.38′′ ID kill-and-choke lines.
  • a riser boost line is also provided and the system includes an EMI-pressurized 500 psi gas buster riser rating (in lieu of a diverter).
  • the system includes a tensioning slip joint, all of which are shown in FIG. 21 .
  • a box tower hoisting and lowering system with top drive and active heave compensation is provided at 26 as shown in FIG. 22 and the foregoing figures.
  • the box tower is a 400 metric ton multipurpose tower implemented for vertical lifting above the deck 12 .
  • the system includes a 400 metric ton heave-compensated AC drawworks and a 350 metric ton top drive.
  • the tower includes a segmented traveling block system as shown.
  • the deck 12 of a ship 1 is implemented with a heavy-lift knuckle-boom, seafloor active heave crane 50 as shown in FIG. 23 in the previous figures.
  • the crane 50 in the exemplary embodiment of the drill ship 1 is rated at 250 metric tons.
  • the crane 50 also includes a 250 metric ton rated single fall rated hook with capacity to 5,000 feet of water depth.
  • a 200 metric ton single fall rated hook is provided for a capacity to 7,500 feet of water depth. Higher load capacity can be accommodated into the crane design.
  • the crane includes a two-hour lowering speed to the rated depth at maximum loads.
  • the medium duty seafloor and deck crane 60 is also provided on the deck 12 of the ship 1 .
  • the crane is a knuckle-boom deck utility crane nominally rated at 50 metric tons, and in the preferred embodiment includes a 15 kip seafloor rating to a water depth of 7,500 feet.
  • the boom reach of the crane 60 covers the entire usable vessel deck area, including the aft deck 12 .
  • the crane 60 preferably includes a pipe gripper arm for manipulating the tubulars from a tubular storage area 24 .
  • the ship 1 includes a plurality of fluid pump systems and cement units.
  • the present embodiment includes four 7,500 psi, 2,200 horsepower quintaplex fluid pumps with precision AC drives.
  • the system includes an option for a higher working pressure as well.
  • Below deck, charging pumps in the special piping system maximize the usable tank volume relative to a 2,200 horsepower cement unit.
  • the main system includes a 3,000 bbl NAF mud system including a 1,200 gpm fluid processing system.
  • the system also includes a 3,000 bbl completion brine system with 1,880 gpm, 2 micron filtration system. Additional base oil and brine capacity can be incorporated into the design.
  • the exemplary drill ship 1 of the present embodiment is capable of maintaining both large and slender casing schemes, the parameters of which are shown by the schematics of FIGS. 27 and 28 .
  • the large casing scheme is shown in FIG. 27 , including the hole construction for a 16′′ casing.
  • FIG. 28 shows the casing scheme for a slender 133 ⁇ 8′′ casing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)
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US7713708P 2008-06-30 2008-06-30
US13/001,897 US20110180266A1 (en) 2008-06-30 2009-06-30 Drill ship for deep sea intervention operations
PCT/EP2009/058199 WO2010000745A2 (fr) 2008-06-30 2009-06-30 Bateau de forage pour opérations d'intervention de haute mer

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
KR101544808B1 (ko) 2013-12-11 2015-08-17 대우조선해양 주식회사 드릴쉽
US20160016642A1 (en) * 2013-02-28 2016-01-21 Keppel Offshore & Marine Technology Centre Pte. Ltd. Integrated Heavy Lift And Logistics Vessel
USD751970S1 (en) * 2014-04-24 2016-03-22 Fincantieri S.P.A. Drillship
WO2016106226A1 (fr) 2014-12-22 2016-06-30 Helix Energy Solutions Group, Inc. Vaisseau monocoque d'intervention sur puits
US9458683B2 (en) 2012-11-19 2016-10-04 Key Energy Services, Llc Mechanized and automated well service rig system
US20220120148A1 (en) * 2020-10-21 2022-04-21 BKG Industries, LLC Proppant recovery unit
US11894788B2 (en) 2020-11-04 2024-02-06 Builtrite, LLC Variable frequency drive electric hydraulic material handler
WO2024092887A1 (fr) * 2022-11-04 2024-05-10 中交公路规划设计院有限公司 Système de fonctionnement automatique pour colonne de tuyau de gros calibre sur la base d'une étude d'ingénierie océanique

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WO2016201531A1 (fr) * 2015-06-18 2016-12-22 Petróleo Brasileiro S.A. - Petrobras Système d'intervention et d'installation d'au moins un équipement d'élévation et d'écoulement de production à l'intérieur d'au moins un riser de production dans une unité de production flottante
CN109883841B (zh) * 2019-03-06 2024-01-02 中国海洋大学 一种滩浅海沉积物强度原位测试系统

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