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WO2015006339A1 - Systèmes de protection contre l'incendie et les explosions et de capture des hydrocarbures - Google Patents

Systèmes de protection contre l'incendie et les explosions et de capture des hydrocarbures Download PDF

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Publication number
WO2015006339A1
WO2015006339A1 PCT/US2014/045772 US2014045772W WO2015006339A1 WO 2015006339 A1 WO2015006339 A1 WO 2015006339A1 US 2014045772 W US2014045772 W US 2014045772W WO 2015006339 A1 WO2015006339 A1 WO 2015006339A1
Authority
WO
WIPO (PCT)
Prior art keywords
blast
drilling
fire protection
drilling rig
derrick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2014/045772
Other languages
English (en)
Inventor
Hector Luis MENDEZ MARTINEZ
William Alexander Hunter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Shell USA Inc
Original Assignee
Shell Internationale Research Maatschappij BV
Shell Oil Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shell Internationale Research Maatschappij BV, Shell Oil Co filed Critical Shell Internationale Research Maatschappij BV
Publication of WO2015006339A1 publication Critical patent/WO2015006339A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • E21B35/00—Methods or apparatus for preventing or extinguishing fires
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts

Definitions

  • the present disclosure relates generally to blast, fire, and hydrocarbon capture and protection systems for drilling rigs. More specifically, in certain embodiments, the present disclosure relates to lightweight blast and fire protection systems for drilling rigs that are capable of diverting the flow of hydrocarbons from a blowout and associated methods.
  • blowout preventer BOP
  • associated equipment and procedures may be utilized to safely limit the influx of hydrocarbons into the wellbore and to safely circulate the hydrocarbons out of the wellbore in a controlled manner. Should the BOP or other equipment completely fail, an uncontrolled flow of hydrocarbons could occur from the wellbore. This is commonly called a blowout.
  • Some blowouts maybe contained by installing a capping stack, which is a separate BOP, above the wellhead or the original failed BOP. The capping stack may then be closed, thus controlling the well.
  • blowouts the BOP and wellhead equipment may be destroyed or the well may catch fire. In such cases, it may be difficult to contain the blowout by closing valves or other blowout preventers at the surface. Other methods to contain the blowout may be utilized in such cases.
  • a common practice in controlling such a blowout is to drill a relief well which intercepts the formation feeding the blowout. However, while drilling the relief well, oil and gas may continue to be spilled into the environment.
  • the present disclosure relates generally to blast, fire, and hydrocarbon capture and protection systems for drilling rigs. More specifically, in certain embodiments, the present disclosure relates to lightweight blast and fire protection systems for drilling rigs that are capable of diverting the flow of hydrocarbons from a blowout and associated methods.
  • the present disclosure provides a blast and fire protection derrick comprising: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig.
  • the present disclosure provides an integrated drilling and production platform comprising: a blast and fire protection derrick, wherein the blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; control equipment disposed within the blast and fire protection derrick; and a riser connected to the control equipment.
  • a blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; control equipment disposed within the blast and fire protection derrick; and a riser connected to the control equipment.
  • the present disclosure provides a drilling system comprising: an integrated drilling and production platform, wherein the integrated drilling and production platform comprises: a blast and fire protection derrick, wherein the blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; and control equipment; a well head; and a riser.
  • the integrated drilling and production platform comprises: a blast and fire protection derrick, wherein the blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; and control equipment; a well head; and a riser.
  • Figure 1 is an illustration of blast and fire protection derrick in accordance with certain embodiments of the present disclosure.
  • Figure 2 is an illustration of an integrated drilling and production platform in accordance with certain embodiments of the present disclosure.
  • Figure 3 is an illustration of a drilling system in accordance with certain embodiments of the present disclosure.
  • the present disclosure relates generally to blast, fire, and hydrocarbon capture and protection systems for drilling rigs. More specifically, in certain embodiments, the present disclosure relates to lightweight blast and fire protection systems for drilling rigs that are capable of diverting the flow of hydrocarbons from a blowout and associated methods.
  • blast, fire, and hydrocarbon capture and protection systems there may be several potential advantages to blast, fire, and hydrocarbon capture and protection systems discussed herein.
  • the blast, fire, and hydrocarbon capture and protection systems described herein prevent the spillage of oil and/or gas from a wild well into the environment.
  • FIG. 1 illustrates a blast and fire protection derrick 100.
  • blast and fire protection derrick 100 may comprise a drilling rig 101.
  • suitable drilling rigs include land rigs, platform rigs, jack-up rigs, drillship rigs, submersible rigs, and semi-submersible rigs.
  • drilling rig 101 may be constructed of an explosion proof material.
  • suitable explosion proof materials include steel, Kevlar, and other high strength and high erosion and penetration resistant materials.
  • the geometry and dimension of drilling rig 101 may be non-standard, such that they increase the effectiveness of the capture ability of the blast and fire protection derrick 100 while maintaining its primary drilling functionality.
  • the dimensions and geometry of drilling rig 101 may be adjusted to minimize the risk of ignition and to maximize the capability to capture the oil.
  • the drilling rig 101 may be taller than conventional drilling rigs in order to increase the efficiency of oil capture.
  • the drilling rig may be cylindrical to better resist damage from a potential blast.
  • blast and fire protection derrick 100 may further comprise a roof 110, a flare tip 120, and one or more deflection plates 130.
  • roof 110 may be a collapsible roof.
  • roof 110 may be constructed out of steel.
  • roof 110 may be designed so that is capable of collapsing during a blowout due to the overpressure of the oil & gas generated by the blowout and/or by the overpressure from an explosion inside blast and fire protection derrick 100.
  • roof 110 may capable of being remotely collapsed by an operator during a blowout.
  • roof 110 may hold deflection plates 130 in place.
  • roof 110 may be partially or completely removed from blast and fire protection derrick 100 allowing deflection plates 130 to rotate and cover the top of blast and fire protection derrick 100.
  • flare tip 120 may comprise any flare tip capable of providing a controlled burn of an oil and gas mist.
  • the selection of the particular flare tip may depend on the particular oil/gas ratio of the well.
  • suitable flare tips include pipe flares, sonic flares, coanda tip flares, steam assisted flare tips, air assisted flare tips, enclosed flares, endothermic flares, and liquid burners.
  • flare tip 120 may be may be installed on the top of blast and fire protection derrick 100. In other embodiments, flare tip 120 may be installed on the outside of blast and fire protection derrick 100.
  • one or more deflection plates 130 may be installed within blast and fire protection derrick 100. In other embodiments, one or more deflection plates 130 may be installed outside blast and fire protection derrick 100. In certain embodiments, deflection plates 130 may be constructed out of an explosion proof material. In certain embodiments, deflection plates 130 may be constructed of steel, Kevlar, or other high erosion resistant materials. In operation, deflection plates 130 are capable of diverting oil from a blowout downward to a spillway system 170.
  • blast and fire protection derrick 100 may be capable of capable of burning gas flowing from a well in a controlled manner while at the same time diverting oil flowing from the well where it may ultimately be offloaded via a tanker vessel or an oil export pipeline, injected into a well, or disposed of by other means.
  • blast and fire protection derrick 100 may further comprise an automatic pipe handling hatch 140.
  • Automatic pipe handling hatch 140 may serve as a door to insert and remove pipe from the blast and fire protection derrick 100.
  • automatic pipe handling hatch 140 may ensure an airtight enclosure inside the blast and fire protection derrick 100 thus minimizing the likelihood of fire and explosion.
  • blast and fire protection derrick 100 may further comprise an emergency evacuation system 150.
  • emergency evacuation system 150 may allow personal to safely evacuate the drill site.
  • emergency evacuation system 150 may comprise an accommodation module.
  • blast and fire protection derrick 100 may further comprise an HVAC & fire protection system 160.
  • the HVAC & fire protection system 160 may include a water deluge, an inert gas suppression system, and/or an exhaust gas suppression system.
  • HVAC & fire suppression system 160 may be installed in the blast and fire protection derrick 100 to minimize the risk of ignition.
  • the HVAC & fire suppression system may provide a means to minimize the risk of explosion and fire and to extinguish a fire if already in process. For example, during a blowout, the HVAC may be stopped and the fire suppression system may be activated to displace any oxygen within blast and fire protection derrick 100.
  • HVAC & fire suppression system 160 may be activated only after personal has evacuated the area.
  • blast and fire protection derrick 100 may further comprise spillway system 170.
  • spillway system 170 may comprise a dedicated draining system that may channel oil to a temporary storage.
  • spillway system 170 may be a conduit connected to a bottom of drilling rig 101.
  • the temporary storage may be located at or away from the blast and fire protection derrick 100.
  • blast and fire protection derrick 100 may further comprise safety systems to de-energize electrical circuits to prevent ignition and specialized equipment to minimize the use of electrical equipment in the vicinity of the wellbore.
  • FIG. 2 illustrates an integrated drilling & production platform 200.
  • integrated drilling & production platform 200 may comprise blast and fire protection derrick 210, control equipment 220, and riser 230.
  • Blast and fire protection derrick 200 may comprise the same features discussed above with respect to blast and fire protection derrick 100.
  • control equipment 220 may comprise a blow out preventer, a diverter system, a Christmas tree, and/or other valves and systems such as onboarding valves, flowline valves, and/or pipeline valves.
  • Riser 230 may be a riser from a well.
  • the well may be an oil and gas production well, a water injection well, a disposal well, a surface well, a subsea well, or a relief well.
  • Figure 3 illustrates a drilling system 300.
  • drilling system 300 may comprise an integrated drilling and production platform 310, well head 320, and riser 330.
  • Integrated drilling and production platform 310 may comprise the same features discussed above with respect to integrated drilling and production platform 200.
  • riser 330 may connect well head 320 to integrated drilling and production platform 310.
  • Drilling system 300 may further comprise a gravity based substructure 340.
  • Gravity based substructure may be a honeycomb structure.
  • gravity based substructure 340 may support integrated drilling and production platform 310 and may be disposed on seafloor 350.
  • riser 330 may be disposed within a hollow center of gravity based substructure 340.
  • oil passing through the spillway system of the integrated drilling and production platform 310 may be temporarily stored within the hollow center of gravity based substructure 340.
  • integrated drilling and production platform 310 may be disposed within a hollow center of gravity based substructure 340.
  • drilling system 300 may further comprise a well riser separation tool 360.
  • Well riser separation tool 360 may be any riser separator tool that is capable of severing riser 330.
  • well riser separation tool 360 may be disposed around a portion of riser 330 disposed within the hollow center of gravity based substructure 340.
  • well riser separation tool 360 may be disposed at the drilling rig level. In operation, well riser separation tool 360 may sever riser 330 allowing hydrocarbons to discharge within the hollow center of gravity based structure 340 safely away from integrated drilling and production platform 310.
  • Hydrocarbons from riser 330 may flow upward within the hollow center of gravity based substructure 340 allowing the gas and oil to separate.
  • the gas may then flow through a capture and venting system or a flare system.
  • the oil may gather on the top of the water within gravity based substructure 340 where it may be temporarily stored subsequent offloading via a tanker vessel, oil export pipeline, injected to a well, or other means.
  • the present disclosure provides a blast and fire protection derrick comprising: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig.
  • the present disclosure provides an integrated drilling and production platform comprising: a blast and fire protection derrick, wherein the blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; control equipment disposed within the blast and fire protection derrick; and a riser connected to the control equipment.
  • a blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; control equipment disposed within the blast and fire protection derrick; and a riser connected to the control equipment.
  • the present disclosure provides a drilling system comprising: an integrated drilling and production platform, wherein the integrated drilling and production platform comprises: a blast and fire protection derrick, wherein the blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; and control equipment; a well head; and a riser.
  • the integrated drilling and production platform comprises: a blast and fire protection derrick, wherein the blast and fire protection derrick comprises: a drilling rig; a roof covering the drilling rig; and one or more deflection plates disposed within the drilling rig; and control equipment; a well head; and a riser.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

L'invention concerne un derrick équipé d'une protection contre l'incendie et les explosions comprenant: un engin de forage; un toit recouvrant l'engin de forage; et une ou plusieurs plaques déflectrices disposées à l'intérieur de l'engin de forage.
PCT/US2014/045772 2013-07-10 2014-07-08 Systèmes de protection contre l'incendie et les explosions et de capture des hydrocarbures Ceased WO2015006339A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361844740P 2013-07-10 2013-07-10
US61/844,740 2013-07-10

Publications (1)

Publication Number Publication Date
WO2015006339A1 true WO2015006339A1 (fr) 2015-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/045772 Ceased WO2015006339A1 (fr) 2013-07-10 2014-07-08 Systèmes de protection contre l'incendie et les explosions et de capture des hydrocarbures

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630681A (en) * 1985-02-25 1986-12-23 Decision-Tree Associates, Inc. Multi-well hydrocarbon development system
US5167277A (en) * 1991-10-28 1992-12-01 Atlantic Richfield Company Well service containment system
WO2001049966A1 (fr) * 2000-01-03 2001-07-12 Maritime Hydraulics As Appareil de forage leger modulaire
CN201269046Y (zh) * 2008-06-20 2009-07-08 中国海洋石油总公司 一种模块钻机系统
WO2012173559A1 (fr) * 2011-06-16 2012-12-20 Bassoe Technology Ab Tour de forage pour forage en mer, comprenant un revêtement travaillant et plate-forme de forage en mer associée

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630681A (en) * 1985-02-25 1986-12-23 Decision-Tree Associates, Inc. Multi-well hydrocarbon development system
US5167277A (en) * 1991-10-28 1992-12-01 Atlantic Richfield Company Well service containment system
WO2001049966A1 (fr) * 2000-01-03 2001-07-12 Maritime Hydraulics As Appareil de forage leger modulaire
CN201269046Y (zh) * 2008-06-20 2009-07-08 中国海洋石油总公司 一种模块钻机系统
WO2012173559A1 (fr) * 2011-06-16 2012-12-20 Bassoe Technology Ab Tour de forage pour forage en mer, comprenant un revêtement travaillant et plate-forme de forage en mer associée

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