WO2016201531A1 - 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 - Google Patents

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 Download PDF

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Publication number
WO2016201531A1
WO2016201531A1 PCT/BR2015/000088 BR2015000088W WO2016201531A1 WO 2016201531 A1 WO2016201531 A1 WO 2016201531A1 BR 2015000088 W BR2015000088 W BR 2015000088W WO 2016201531 A1 WO2016201531 A1 WO 2016201531A1
Authority
WO
WIPO (PCT)
Prior art keywords
riser
production
intervention
unit
gas
Prior art date
Application number
PCT/BR2015/000088
Other languages
English (en)
Portuguese (pt)
Inventor
Roberto Rodrigues
Original Assignee
Petróleo Brasileiro S.A. - Petrobras
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 Petróleo Brasileiro S.A. - Petrobras filed Critical Petróleo Brasileiro S.A. - Petrobras
Priority to PCT/BR2015/000088 priority Critical patent/WO2016201531A1/fr
Publication of WO2016201531A1 publication Critical patent/WO2016201531A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/36—Arrangement of ship-based loading or unloading equipment for floating cargo
    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01—Risers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells

Definitions

  • the present invention relates to an artificial lifting system and production flow guarantee for subsea oil wells. More specifically, the invention relates to the assembly of equipment within production risers of FPSO type floating production units.
  • PI 0109766-0 it is also proposed to install a BCS above a wet Christmas tree, ANM, descended into a riser.
  • ANM wet Christmas tree
  • the riser is vertical, ie without curvature, and has a motion compensation system, making it difficult to apply in systems Floating Production Storage and Offloading.
  • US8087464 proposes a balcony-like structure installed on the side of an FPSO for supporting and exchanging BCS-type pumps for subsea pumping module systems.
  • the current state of the art lacks a system that facilitates the installation / replacement / repair of equipment within a set of risers, in particular pumps, line heating or depressurization equipment, in floating production systems.
  • FPSO type Infrared Synchronization
  • the main object of the present invention is to provide a system of intervention and installation of equipment within a set of risers in floating production units without requiring the use of high cost naval resources.
  • the present invention provides an intervention and installation system of at least one production lifting and lifting equipment within at least one production riser in an FPSO floating production unit. where at least one intervention and installation equipment is supported on a sliding frame that moves easily over the top of the production riser assembly.
  • Lifting and lifting equipment installed within the risers may comprise at least one of: a pump; a BCS; an electric heater; a gas arbor // ' #; and a jet bomb.
  • Intervention and installation equipment may comprise at least one of: a probe; a flexible tube unit; a wire unit; an overhead crane; and a crane.
  • h-riser geometry is still proposed in order to facilitate the accommodation of one or more hoisting and lifting equipment within the production risers.
  • Figure 1A illustrates a view of a floating production unit in accordance with an optional embodiment of the present invention.
  • Figure 1B illustrates a front cross-sectional view of the floating production unit shown in Figure 1A.
  • FIG. 2A illustrates an optional embodiment of the present invention wherein a BCS pump with a Shroud's inverted flow controller is installed with a production column inside a riser.
  • Figure 2B illustrates an optional embodiment of the present invention, wherein a shroudless BCS pump is installed with a production column within a riser.
  • Figure 2C illustrates an optional embodiment of the present invention, wherein the production column and power cable elements are integrated into a single circular structure.
  • Figure 3A illustrates an optional embodiment of the present invention in which a BCS pump is installed within a riser with the aid of a reinforced electrical cable.
  • Figure 3B illustrates an optional embodiment of the present invention wherein a BCS pump is installed within a riser with the aid of a reinforced power cable, where the power cable is positioned externally to the riser.
  • Figure 4A illustrates an optional embodiment of the present invention wherein an electric heating system is installed within a riser.
  • Figure 4B illustrates an optional embodiment of the present invention wherein a flexible duct system having a lift gas chuck is installed within a riser.
  • Figure 5A illustrates an optional embodiment of the present invention wherein a BCS type pump is installed within a riser and is driven by a rod.
  • Fig. 5B illustrates a view of a variant configuration of Fig. 5A wherein the rod is driven by a higher power motor.
  • Figure 5C illustrates an optional embodiment of the present invention, wherein a concentric double hose system is installed together with a jet pump within a riser.
  • Figure 6A illustrates an optional configuration of a split vertebra element in its open position.
  • Figure 6B illustrates an optional configuration of a split vertebra element in its closed position.
  • Figure 6C illustrates an optional embodiment of the present invention, wherein a split vertebra type elements are installed in three risers.
  • Figure 7 illustrates an optional embodiment of the present invention wherein a pocket type h riser is adopted.
  • Figure 8 illustrates an optional embodiment of the present invention in which a pocketless h-type riser 6o is adopted.
  • the present invention relates to an intervention and installation system of at least one production lifting and flowing equipment within a set of production risers in a floating production unit with a counter where production risers are hung.
  • the counter comprises a sliding system, which is supported by at least one intervention and installation equipment, such as a probe, hose assembly and wire unit, which can move over the top of the production riser assembly.
  • intervention and installation equipment such as a probe, hose assembly and wire unit
  • a single sliding system preferably a rail structure, enables the installation of production equipment within a set of production risers, so that such production equipment may comprise at least one of BCS, electric heater, lift gas chuck, jet pump, hydraulically driven pump among others.
  • the operation of installation of production equipment can be performed from a system comprised within the FPSO itself, without waiting for the availability and movement of vessels. dramatically reducing the time and costs of BCS replacement operations.
  • the risers which is positioned above the counter, horizontal or conventional dry Christmas trees are installed, with or without the adoption of production heads.
  • the production columns are supported by hangers, so that Christmas tree exits are used to send the produced oil to an oil separation plant.
  • the invention provides a slide-supported rail structure positioned above the counter.
  • this structure is installed at least one intervention equipment with technology similar to those used for well intervention, such as probe, hydraulic unit, flexible tube unit and wire unit.
  • intervention equipment such as probe, hydraulic unit, flexible tube unit and wire unit.
  • other equipment such as crane and crane can be added to work in conjunction with the sliding frame to facilitate equipment movement.
  • production risers where production equipment is based, may have either conventional (catenary) geometry or h-geometry with or without rathole.
  • the invention described herein comprises mounting equipment inside suspended risers on counters of floating production units, such as FPSO.
  • Figure 1A illustrates a view of a floating production unit 1 according to an optional embodiment of the present invention
  • Figure 1B illustrates a front cross-sectional view of the floating production unit 1 shown in Figure 1A
  • the floating production unit 1 of the present invention comprises a counter 6 provided with intervention systems supported by a sliding rail system 50 for the installation of lift and flow equipment within riser assembly 49, wherein intervention systems they may be a probe 7 and / or a hose assembly 8 and / or a wire assembly 19, among others.
  • intervention systems may be a probe 7 and / or a hose assembly 8 and / or a wire assembly 19, among others.
  • anchor lines 3 torch 5 set of production risers 49.
  • the invention also provides a short riser element 32 used for controlled atmosphere storage and testing which can be used for pre-testing the operation of used BCS assemblies.
  • the dried Christmas tree 13 is of the horizontal type, however in alternative configurations. , a conventional dry Christmas tree may be adopted.
  • the dried Christmas tree 13 comprises a production outlet 9 through which the hydrocarbons produced by the oil well flow, which are directed to a separation and production unit 4. Also shown in the Figure is the illustrative element: sea surface 36.
  • intervention systems such as probe 7, flexible tube unit 8 and wire unit 19, are installed on a sliding system 50, preferably a rail 20, so that such intervention systems can be moved over the intervention heads of each riser 2.
  • the intervention heads are devices known in the state of the art that have the function of facilitating interventions in risers 2, such as descent and installation of equipment, similar to those performed in wellheads. with dry completion.
  • the intervention heads can be used to assist in the installation of a pump, optionally a BCS, inside the risers.
  • FIG. 2A, 2B, 2C, 3A, 3B, 4A, 4B, 5A, 5B and 5C illustrate various mounting configurations of a riser pump with column without column, with flexible column, with integrated umbilical flexible column, with cable, with rod, with gas separation, without separation, etc.
  • the pump can be installed in any relative position, even in the horizontal section of a catenary riser.
  • FIG. 2A illustrates an optional embodiment of the present invention wherein a BCS type 14 pump is installed inside a riser 2 so that the BCS 14 is powered by an electrical power cable 15 and connects to a a production column 16.
  • the riser 2 is further connected to a dry christmas tree 13 which comprises a production outlet 9 through which pumped oil from the well which flows to the separation and production unit 4 flows. of floating production unit 1.
  • a horizontal dry Christmas tree 13 is adopted.
  • gas separation and accumulation usually occurs, so that the gas outlet 27 and its control valve 28, both in the spindle 13, are used for gas withdrawal control.
  • the production takes place with liquid gas separation.
  • the dried Christmas tree may comprise one or more shunt valves 11, which allow the flow to the production line 9 to be blocked when desired.
  • a gas removal automation, control and optimization system (not shown in the figure) can perform an optimization of the amount of gas drawn from the gas outlet 27 and its control valve 28 and may even operate in non-separation mode if this is the best condition for a given production scenario.
  • a dynamic or static gas and liquid separator 30 is installed in suction 24 of BCS 14 to intensify the liquid gas separation.
  • the gas and liquid separator 30 is of the inverted tube type.
  • column hanger 29 and marine soil 26.
  • Figure 2B illustrates a variant embodiment of that illustrated in Figure 2A, wherein a configuration is adopted wherein the riser 2 is connected to a conventional Christmas tree 10, so that a production head is required. 12 connecting riser 2 to the Christmas tree 10.
  • the gas and liquid separator 30 shown in Figure 2A is deleted.
  • Figure 2C illustrates an optional embodiment of the present invention, wherein the production column elements 16 and electrical power cable 15 are integrated into a single umbilical circular flexible structure 31, facilitating their surface handling by a single winding reel.
  • Figure 3A illustrates an optional embodiment of the present invention wherein riser 2 is coupled to a horizontal dry christmas tree 13, wherein a BCS 15 is installed within riser 2 with the aid of the 15.
  • a locking element 17 and seal (optionally a packer) is used to lock the BCS 14 set in its ideal position inside the riser.
  • Figure 3B illustrates an optional embodiment of the present invention wherein riser 2 is coupled to a horizontal dry christmas tree 13, wherein a BCS 14 is installed within riser 2, wherein the power cord 15 is installed externally to riser 2.
  • the installation and removal of the BCS 14 is done with the aid of a hose assembly 8 or wire assembly 19.
  • Figure 4A illustrates an optional embodiment of the present invention wherein riser 2 is coupled to a horizontal dry christmas tree 13 in which an electric heater 21 is installed within riser 2.
  • Figure 4B illustrates an optional embodiment of the present invention wherein riser 2 is coupled to a horizontal dry christmas tree 13, where a flexible tube 18 which is provided with a lift gas chuck 22 in its lower end is installed inside a riser (2).
  • FIG. 5A illustrates an optional embodiment of the present invention wherein riser 2 is coupled to a horizontal dry christmas tree 13.
  • a BCS type 14 pump is driven by a rod 40, which is actuated by an electric motor head 41.
  • the elements: rotation amplifier 45 and pump discharge 46 are also shown.
  • Fig. 5B illustrates a variant configuration of Fig. 5A, wherein the rod 40 is driven by a higher power motor 42. In this way, a gear reducer is also used. rotation 43, as well as a rotation transmission 44, the latter coupled to the rod 40.
  • Figure 5C illustrates an optional embodiment of the present invention wherein riser 2 is coupled to a horizontal dry christmas tree 13 in which a concentric double-hose system 25 provided with a jet pump 23 in its lower end is lowered through the interior of riser 2.
  • the described configuration can be adopted for depressurization operations for hydrate mitigation purposes or even for production purposes.
  • the present invention also provides for the use of a split vertebra element 33, as illustrated in FIGS. 6A, 6B and 6C.
  • the split vertebra element 33 is made of rigid material and is configured to surround riser 2, significantly reducing flexion in the stretch where it is positioned.
  • the split vertebra 33 may comprise transverse fins that increase its stability.
  • Figure 7 illustrates an optional embodiment of the invention wherein an h-type riser 2 is adopted, wherein riser 2 comprises a substantially vertical portion so that its lower end is spaced from the sea floor.
  • riser 2 comprises a side branch 35 above its lower end, creating a rathole 48.
  • a moor 37 may be used to restrict the movement of riser 2 due to undersea currents.
  • the riser 2 vertical section can be probe-installed from the junction of pipes connected to each other by soldering and / or connector and / or thread.
  • the 2 in h riser geometry can also be used for general applications in large water slides as a way to mitigate fatigue problems, even for applications that do not require pumping inside riser 2.
  • Figure 8 illustrates a particular embodiment of the invention wherein riser 2 comprises a pocket 47 in its lower portion, such that the pocket has a substantially larger diameter than that of the riser, in particular compared to the central portions. and top of riser 2, so that pocket 47 accommodates a pump 14 and a tube-type separator 30 disposed therein.
  • riser 2 At its lower end, after pocket 47, riser 2 comprises a curved portion and a funneled mandrel 34 to allow connection to a pre-launched undersea line 39, even before anchoring. of the production unit at the location.
  • pocket 47 may be suppressed such that the vertical riser comprises substantially the same diameter throughout its length.
  • TSR tubing seal receptacler
  • the present invention provides an intervention and installation system for at least one production lifting and lifting equipment within at least one production riser 2 in a floating production unit 1, wherein a production riser assembly 49 is supported by a counter 6, where at least one intervention and installation equipment is supported on a sliding rail structure 20 which easily moves over the top of the production riser assembly 49.
  • the equipment The lift and flow system installed within the risers 2 may comprise at least one of: a pump; a BCS 14; an electric heater 21; a lift gas chuck 22; and a jet pump 23.
  • Intervention and installation equipment may comprise at least one of: a probe 7; a hose assembly 8; a wire unit 19; an overhead crane; and a crane.

Abstract

La présente invention concerne un 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 (2) dans une unité de production flottante (1), au moins un riser de production (2) étant supporté par un balcon (6) de l'unité de production flottante (1), un système coulissant (50) est prévu sur le balcon (6), au moins un équipement d'intervention et d'installation venant appuyer sur le système coulissant (50), ledit système coulissant pouvant éventuellement être une structure coulissante sur rails (20), ledit au moins un équipement d'intervention et d'installation étant en appui sur la structure coulissante (50), ledit au moins un équipement d'élévation et d'écoulement pouvant éventuellement comprendre l'un au moins des éléments suivants : une pompe ; une BCS (14) ; un dispositif de chauffage électrique (21) ; un mandrin de gas-lift (22) ; et une pompe à jet, ledit au moins un équipement d'intervention et d'installation pouvant éventuellement comprendre au moins l'un des éléments suivants : une sonde (7) ; une unité tube souple (8) ; une unité câble (19) ; un pont roulant ; et un treuil.
PCT/BR2015/000088 2015-06-18 2015-06-18 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 WO2016201531A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/BR2015/000088 WO2016201531A1 (fr) 2015-06-18 2015-06-18 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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2015/000088 WO2016201531A1 (fr) 2015-06-18 2015-06-18 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

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WO2016201531A1 true WO2016201531A1 (fr) 2016-12-22

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000003112A1 (fr) * 1998-07-10 2000-01-20 Fmc Corporation Rondin flottant de support de colonnes montantes de production
US6257801B1 (en) * 1998-07-23 2001-07-10 Fmc Corporation Riser arrangement for offshore vessel and method for installation
US6840322B2 (en) * 1999-12-23 2005-01-11 Multi Opertional Service Tankers Inc. Subsea well intervention vessel
BRPI0702808A2 (pt) * 2007-06-22 2009-08-04 Petroleo Brasileiro Sa sistema para instalação e troca de módulos submarinos e métodos de instalação e troca de módulos submarinos
WO2010000745A2 (fr) * 2008-06-30 2010-01-07 A.P. Møller-Mærsk A/S Bateau de forage pour opérations d'intervention de haute mer
WO2011159563A2 (fr) * 2010-06-14 2011-12-22 Shell Oil Company Complétions sous-marines et interventions sur puits à l'aide d'un navire d'occasion
WO2012168428A1 (fr) * 2011-06-09 2012-12-13 Aker Mh As Aménagement de pont sur un navire ou une plateforme pour effectuer des opérations sous-marines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000003112A1 (fr) * 1998-07-10 2000-01-20 Fmc Corporation Rondin flottant de support de colonnes montantes de production
US6257801B1 (en) * 1998-07-23 2001-07-10 Fmc Corporation Riser arrangement for offshore vessel and method for installation
US6840322B2 (en) * 1999-12-23 2005-01-11 Multi Opertional Service Tankers Inc. Subsea well intervention vessel
BRPI0702808A2 (pt) * 2007-06-22 2009-08-04 Petroleo Brasileiro Sa sistema para instalação e troca de módulos submarinos e métodos de instalação e troca de módulos submarinos
WO2010000745A2 (fr) * 2008-06-30 2010-01-07 A.P. Møller-Mærsk A/S Bateau de forage pour opérations d'intervention de haute mer
WO2011159563A2 (fr) * 2010-06-14 2011-12-22 Shell Oil Company Complétions sous-marines et interventions sur puits à l'aide d'un navire d'occasion
WO2012168428A1 (fr) * 2011-06-09 2012-12-13 Aker Mh As Aménagement de pont sur un navire ou une plateforme pour effectuer des opérations sous-marines

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