WO2013036132A2 - An integrated system for offshore industrial activities with fume injection - Google Patents

An integrated system for offshore industrial activities with fume injection Download PDF

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Publication number
WO2013036132A2
WO2013036132A2 PCT/NO2012/000068 NO2012000068W WO2013036132A2 WO 2013036132 A2 WO2013036132 A2 WO 2013036132A2 NO 2012000068 W NO2012000068 W NO 2012000068W WO 2013036132 A2 WO2013036132 A2 WO 2013036132A2
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Prior art keywords
gas
production
industrial
installation
offshore
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PCT/NO2012/000068
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French (fr)
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WO2013036132A3 (en
Inventor
Gunnar Myhr
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Modi Vivendi As
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Application filed by Modi Vivendi As filed Critical Modi Vivendi As
Priority to DK12830562.0T priority Critical patent/DK2795055T3/en
Priority to EP12830562.0A priority patent/EP2795055B1/en
Priority to NO12830562A priority patent/NO2795055T3/no
Publication of WO2013036132A2 publication Critical patent/WO2013036132A2/en
Publication of WO2013036132A3 publication Critical patent/WO2013036132A3/en

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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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/005—Waste disposal systems
    • E21B41/0057—Disposal of a fluid by injection into a subterranean formation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1033—Oil well production fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/40—Characteristics of the process deviating from typical ways of processing
    • C10G2300/4043—Limiting CO2 emissions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/40—Characteristics of the process deviating from typical ways of processing
    • C10G2300/4062—Geographical aspects, e.g. different process units form a combination process at different geographical locations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00—Technologies relating to oil refining and petrochemical industry
    • Y02P30/40—Ethylene production

Definitions

  • This invention is related to systems for offshore or land based industrial activities which use for feedstock or produce gas, crude oil and/or refined petroleum products/components, and provide reservoir injection of fume gases, can receive and store C0 2 or flue gases from other offshore or onshore industrial processes or hydrocarbon producing entities, and can provide industrial products, the generation and transmission of electric power and communications between the various elements or units within a defined network or grid.
  • Crude oil is a complex mix of various hydrocarbon elements.
  • Molecular chains with hydrocarbons (HC) containing up to 4 carbon atoms are usually gases, between 5 and 19 carbon atoms are usually liquids, while those molecules containing more than 20
  • hydrocarbons are solids.
  • Refining processes uses chemicals, catalysts, heat or pressure to separate and combine basic types of hydrocarbon molecules which naturally occurs in crude oils into groups of such molecules. Such groups are labeled components. Examples of such components are naphtha, kerosene, gas oil or distillates. Components are further processed to become refined products like gasoline(s), diesel, heating oils etc.
  • Upgrading occurs by thermal and/or catalytic cracking or physical up breaking of long molecules to less, and in this way enabling the produce of relatively more of high valued final products like gasoline and diesel and less of heavy fuel oils. Cracking and upgrading are synonymous terms. Upgrading facilities are industrial processes that provide cracking.
  • Condensate is NGL (Natural Gas Liquids) and hexane, heptane and octane.
  • NGL is LPG (Liquid Petroleum Gas) and ethane and pentane.
  • LPG is a mix of propane and butane.
  • Natural gas can contain C0 2 , N 2 and sulfide in addition to "gas". "Gas" and “natural gas” are synonymous terms.
  • offshore represents a device, structure or installation located on, within or at the bottom (subsea) of water. Equivalently, “onshore” represents any device located not on, within or under water (subsea).
  • Activities which may be parts of a total operational unit constituting an installation with industrial activities as discussed herein, like living modules, drilling modules or industrial activities which use refined products/components or gas as feedstock to generate (simple) heat, steam, petrochemical or fertilizer products, are not discussed in any detail as long as these processes are viewed as trivial, and well known for the skilled person in the arts.
  • NO 332044 (Myhr) which describes a system for integrated production of electric power from an offshore gas power plant with local gas production and reservoir injection of fume gases, and where the power is transported to consumers.
  • WO 2005/007776 (Olsvik & Moljord) describes a method for enhanced oil recovery - EOR for the production of heavy or extra heavy crude oil.
  • the method represents a process involving the simultaneous reforming of natural gas to produce hydrogen, C0 2 and steam. Steam, or in combination with C0 2 , will be injected into the reservoir to stimulate EOR or a partial refining of the crude oil will occur with the help of hydro processing to reduce the viscosity to the heavy crude oil.
  • WO 03/018958 (Olsvik et al), WO 03/018959 (Olsvik et al), WO 2004/055323 (Olsvik et al). All the documents represent methods for EOR, combining the simultaneous steps; air is separated into 0 2 and N 2 , the nitrogen fraction will be injected into reservoirs for pressure support, 0 2 will be combined with a natural gas source and by a reforming process and it will be converted into syngas. Syngas is primarily composed of the gasses H 2 , CO, and steam. Syngas is used in methanol production and other oxygenized hydrocarbon reactions.
  • W099/64719 (Lia et al) describes a process to establish a gas mixture representing N 2 , C0 2 , NO x , natural organic compounds and 0-2.0 mol % 0 2 from a oxygen rich fume gas.
  • NO 316545 (Breivik) Describes a system for the production and transportation og crude oil and associated gas from an offshore field, represented by two loading/unloading stations where crude oil/condensate and gas can be conveyed to vessels, and where C0 2 can be transported from the ships and applied as pressure support. A necessity is that the vessels are fitted with heat exchangers.
  • W09421512 (Noble & Bernard) describes a methane to methanol conversion process on an offshore platform, with offloading to a ship.
  • DnV Det norske Veritas
  • the concept outlines a combined cycle gas powered system for offshore application. There are, among several other aspects, no fume control, reinjection or integrated controls involved.
  • the primary objective of this invention is to establish integrated systems which detect, measure and control the demand, generate electric power accordingly, based on combustion of gas by a combined cycle combustion process, and provide the optimization (minimization) of 0 2 , enabling the reinjection of the fume gases into producing HC reservoirs, thus provide pressure support for enhanced HC recovery, if desirable.
  • Associated heat and/or steam production can facilitate other activities on the installation.
  • the integrated system will control the supply of electric power to a grid or network, offshore and/or onshore.
  • the system can produce and transport crude oil.
  • the grid or network can include other offshore or onshore HC producing facilities.
  • Gas, refined products and refined components are any combinations of hydrocarbons (HC) which contain molecular chains containing up to 20 carbon atoms.
  • HC hydrocarbons
  • Figure 1 represents a typical modern refinery, represented by an atmospheric distillation unit (A) and a vacuum distillation unit (B). Atmospheric, light and heavy gas oil can be used as feedstock in catalytic upgrading processes (cracking) (C), while vacuum residue can be used as feedstock into thermal upgrading processes (cracking) (D).
  • C catalytic upgrading processes
  • D thermal upgrading processes
  • Other elements which normally supplement refining processes, which are not labeled in figure 1, are, but are not limited to; super fractioning, absorption processes, solvent extraction, naphtha reforming, polymerization, isomerization, desulphurization. For more info, see e.g. "Refining Process Handbook", S. Parkash, Elsevier, 2003.
  • Figure 2 describes a flow diagram outlining a combined cycle power plant. It constitutes a gas turbine (e.g. LM2500+), heat recovery steam generator - HRSG (or boiler unit), steam turbine, condenser, (multiple step) compressor unit (with inter-cooling) and facilities for gas injection.
  • An electric power generator which is a necessity in electric power generation, is not included in the drawing. This can be a separate unit or it can be integrated within the gas turbine and/or steam turbine.
  • the C0 2 fraction would become a liquid and N 2 would represent immiscible pressure support for HC flows from reservoirs, and subsequent could enhanced HC production.
  • Recoverable oil reserves 28 mill. Sm J - 174 mill. bbl.
  • Natural gas reserves 8 mrd. Sm - 50 mill, boe
  • electric power will on a 50/50 basis be produced offshore by a GE LM2500+ gas turbine and imported from a land grid through a land/ offshore subsea cable.
  • Electric demand at the plateau phase is approximately 50 - 60 MW.
  • the LM 2500+ generate 32 MW with 38 % efficiency.
  • the fume gas mix from this unit alone is 5 % C0 2 , 74 % N 2 , 15.5 % 0 2 + other (Ar, NO x ).
  • the 0 2 content is too high for hydrocarbons in reservoirs.
  • Design reservoir pressure for reinjection is 15 MPa.
  • net power would be in the 40 - 45 MW range and electric efficiency would be approx. 17 %.
  • net power output can increase to 50 - 55 MW and electric efficiency (after compression) can increase to 20 - 22 %.
  • CCS carbon capture (and storage)
  • the concept is to dispose only the fraction of the fume containing C0 2 rather than the total flue volumes. This for practical and economic reasons.
  • the various approaches can be labeled as post-combustion, oxy-fuel combustion or phase separation.
  • the various techniques which can be utilized are among chemical (amine) solvents, physical solvents, physical absorbents, membrane separation processes, chemisoiption, chemical bonding, phase separation.
  • CCS represents any combination of the above stated approaches and techniques for the capturing ( a mixture containing large proportions of) C0 2 .
  • Figure 3 shows production and/or reinjection wells and risers for hydrocarbons (oil and/or gas) and fume gases (C0 2 ) from combustion processes associated with offshore or onshore industrial activities and/or HC production.
  • the system can handle or inject fume or C0 2 (mixtures) transported from other industrial activities on land or offshore into reservoir or caverns (depository facilities).
  • the fume gases can be transported by combinations of pipelines and mobile units like trucks, rail tanks or ships. Risers can simultaneously lead the flue gases down into reservoirs or caverns and
  • Risers will then have separate tubes or channels, separating the fume gases and the hydrocarbons. Risers can be rigid or flexible. Production and reinjection wells can be the same or they can be separate. Injection of fume gases and production of hydrocarbons can be from the same reservoir(s) or the processes can involve different structures or reservoirs.
  • the fume gases can be transported directly to reservoir via subsea subsystems or modules.
  • the flue gases can be filtered or cleansed from fixed particles, but not necessarily.
  • the at least one industrial activity will primarily, but not necessarily, be represented by modules.
  • the at least one such industrial activity is either fixed or locates on solid ground (onshore), or located on one or several fixed or floating (offshore) installations.
  • Floating units can be founded on pontoons (semi submersible), can be moored or anchored by tension legs.
  • the installation or platform can be made of combinations of concrete, metals (steel), epoxy, kevlar, fibers, matrixes, synthetic materials, composites, fiber glass and the like.
  • Figures 4, 5 and 6 provide an integrated system for industrial activities which produce HC or use gas or refined components/products as feedstock.
  • stabilized crude oil or refined products/components or a gas is transported from a mobile unit (tanker) or by pipeline or from a riser from underground reservoir(s) or (subsea) well(s) (1). If hydrocarbons containing crude oil are locally produced, it would have to be fractioned and stabilized by separating water, sand and gas(es) (2).
  • Stabilized crude oil, refined products/components or gas can be placed in a storage facilities (3) or transported offshore or onshore by ships or pipeline (10). These storage facilities (3, 9) can be placed or facilitated at ground based, floating, fixed or subsea units or be represented by an underground caverns or offshore/onshore reservoir(s).
  • the industrial facility (5) can be represented by a distillery unit of atmospheric and/or vacuum type, and/or it can also be represented by at least one catalytic and/or thermal upgrading unit, as outlined in Figure 1.
  • Such units can be represented by, but not limited to, combinations of fluid catalytic cracking, coking, visbreaking, hydro cracking, in addition to combination of units which represent super fractioning, absorption processes, solvent extraction,
  • the industrial activity (5) can be represented by a combined cycle (CC) power unit as outlined in Figure 2. It would be represented by at least one gas turbine and at least one steam turbine, require at least one boiler unit (steam generator), and at least one electric power generator (not shown). Two or several of the units can be integrated. A preferred solution would include a heat recovery steam generator, as outlined in Figure 2, together with at least one condenser. If a CC unit represents or is part of the industrial facility, a high performance (multiple) step compressor unit could be integrated within the CC sub - system (7). The CC unit can be fueled by any combination of refined products, components or gas, but preferably pure methane.
  • the CC unit will be integrated by at least one control system (11).
  • the control system will with the use of sensors (not shown on figures 2 and 4), measure, control and adjust the fume mixture (7) according to defined or predetermined levels before injection into wells (8).
  • the monitoring of 0 2 levels in the flue gas (7) are of particular importance.
  • An electric power generator will normally produce AC current. Consumption and the transmission of electric power can be done both in the form of AC or DC current. If AC power is produced and DC power is required for either consumption or in the transmission phase, converters would be required (not shown).
  • Parts of the electricity, heat and/or steam can be used to drift the power unit.
  • the fume gases could be channeled via a carbon capture (CCS) unit (6) for the (partial) removal of C0 2 .
  • CCS carbon capture
  • At least one systemic control and guidance system (11) will interconnect all subsystems (1 - 10) with the help of sensors (not shown on figures). These sensors will, but are not limited to, the detection (quality and quantity to) pressure, temperature, heat (infrared), frequencies (sound, light), stress, strain, liquid (level), gas (concentrations), one or two phase fluid flows, relative and absolute humidity. Such sensors can be, but are not limited to, analog or digital electronic, electro - mechanical, optical or of ultrasound types. The sensors are connected by wire or wireless communications. Overall coordination of the control system is executed by at least one central processing unit (CPU), which constitute the hub of the at least one control and guidance system (11).
  • CPU central processing unit
  • Parts of the electricity, heat, steam produced can be used to drift other parts of the industrial complex (1 - 10).
  • the control system (11) can be partially of totally overturned manually, meaning that at least one of sub - systems or modules (1 - 10) can be manually controlled.
  • All elements in figures 1 - 6, numbered (1 - 10) (11) can be represented by independent modules for rapid hook up, replacement and/or transportation.
  • Buffer storages (3) and (9) can be represented by mobile units and/or vessels (ships).
  • petrochemicals alcohols, ethylene, propylene, butadiene, benzene, toluene, xylene, plastics, polymers and the like
  • fertilizer products based on nitrogen, phosphate, potassium, compound, binary compound (npk)l, which utilizes gas, and/or refined petroleum products/components as feedstock, are not shown on the various figures.
  • petrochemical and "fertilizer” can represent any combinations of the above listed products or basis for chemical compounds.
  • Figure 6 outline the industrial activity (1 - 11) as a hub within a network, where units U
  • the network or grid can also include combinations of power transmission (10) and/or include fume (C0 2 ) transportation to/from other offshore or onshore HC producing facilities or installations.
  • a favourable solution is represented by an integrated system for industrial activities on at least one onshore or offshore location which use as feedstock and/or produce at least one of gas, crude oil, refined hydrocarbon components or products, which system is represented by an installation and constitute at least one storage facility of which fume gases from the industrial activity (8) can be injected, and at least one riser structure for leading the fume gases from the installation to the storage facility, and which are further characterized by;
  • the at least one industrial activity is represented by combinations of at least one HC producing installation, at least one distillation unit, at least one upgrading unit, oil refinery, combined cycle electric power plant, production of heat, production of steam, production of at least one fertilizer, production of at least one petrochemical product (5) and at least one pipeline or electric power grid for the transportation of fume gases (C0 2 ) or industrial products (electric power) to or from the installation from at least one of a) other industrial activity offshore, b) other industrial activity onshore, c) vessel or mobile unit, for the reinjection via at least one riser structure,
  • At least one control and guidance system (11), by at least one sensor guiding at least one of the sub-systems of the system (1 - 10), measuring demand for the industrial activity, provide feedstock and/or produce at least one of gas, crude oil, refined hydrocarbon components or products to fuel the at least one industrial activity (combined cycle gas power plant), and control and monitor the reinjection of fume gases from the industrial activity (5) by at least one riser structure for leading the fume gases from the installation to the storage facility in real time, accordingly.
  • measuring demand can be combinations of electric power consumption or electric requirements to the grid of which the at least one electric power unit is part of, consumption of heat or steam locally or within the network, defined or predetermined production level of gas, crude oil, refined products and refined components, the delivery or supply of fume gases from the network, defined utilization rate of the CCS unit(s) (6), all taken storage or delivery (supply) facilities/capacities (1, 3, 8, 9, 10) into account.
  • the et least one combined cycle gas power plant is represented by at least one gas turbine, at least one steam turbine, at least one steam generator (boiler), at least one electric power generator and at least one control system (11) which can monitor and control combustion processes and subsequent fume gases (7) in addition to the measuring and controlling of the at least one gas turbine (5) and wet compression (7). At least two of the stated units can be fully integrated.
  • the combined cycle process can be fueled by any combination of refined products, components or gas, but the use of methane is preferred, especially in the boiler unit, to obtain the desired or defined fume gas mixture.
  • a most favorable integrated system can detect and measure the demand, include applying and the control of fogging of the at least one gas turbine (5) and provide and control wet compression (7), generate electric power accordingly by a combined cycle gas combustion process, and provide the optimization (minimization) of 0 2 , enabling the reinjection of the fume gases (C0 2 + N 2 ) into producing HC reservoirs, thus provide pressure support for enhanced HC recovery.
  • Associated or integrated heat and/or steam production can facilitate other activities on the at least one installation or distributed to the network (10).
  • the integrated system will control the supply of electric power to the grid or network in question.
  • the control of the system is integrated, coordinated and operated in real time.
  • the system can further be characterized, but not necessarily, by combinations of:
  • At least one of the riser structures is facilitated to lead hydrocarbons up to the at least one installation.
  • At least one of the elements of the system (1 - 10) is located subsea.
  • At least one of the elements of the system (1 - 10) is represented by an independent module.
  • the installation is part of a network of at least one such installation and at least one offshore or land based (onshore) industrial activity where the interconnection constitute combinations of pipelines and power transmission devices or cables.
  • the network is represented of combinations of serial, parallel or star type interconnections.
  • Pipelines within the network is for the transportation of any among of fume gases, C0 2 , refined petroleum products or components, gas, crude oil, heat, steam, and the electric transmission devices or cables are for the transfer of electric power.
  • At least one of a) the electric power transmission devices or b) pipelines are useful for the communications by electronic, acoustic or optical signals.
  • the at least one of the offshore- or land based industrial activities constitute any of an HC producing installation, an offshore refinery, an onshore refinery, a melting plant, an offshore power plant powered by any of gas, coal, oil, an onshore power plant powered by any of gas, coal, oil, and an industrial production facility for any of heat, steam, petrochemical products, fertilizer and cement.
  • the at least one industrial activity or installation is integrated with or can be connected to a unit which can separate or capture part of a fume gas that contains a significant proportion of C0 2 (CCS) (6).
  • the at least one control and guidance system (11) can partly or in total be overturned manually against at least one of the sub - systems (1 - 10).

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Abstract

This invention is related to integrated systems for offshore or land based industrial activities which use for feedstock or produce gas, crude oil and/or refined petroleum products/components, and provide reservoir injection of fume gases, can receive and store CO2 or flue gases from other offshore or onshore industrial processes or hydrocarbon producing installations, and can provide industrial products, the generation and transmission of electric power and communications between the various elements or units within a defined network or grid. The at least one industrial activity is represented by combinations of at least one hydrocarbon producing installation, at least one distillation unit, at least one upgrading unit, oil refinery, combined cycle electric power plant, production of heat, production of steam, production of at least one fertilizer, production of at least one petrochemical product. A most favorable integrated system can detect and measure the demand, include applying and the control of fogging of the at least one gas turbine (5) and provide and control wet compression (7), generate electric power accordingly by a combined cycle gas combustion process, and provide the optimization (minimization) of O2, enabling the reinjection of the fume gases (CO2 + N2) into producing HC reservoirs, thus provide pressure support for enhanced HC recovery. Associated or integrated heat and/or steam production ( from the at least one steam or boiler unit) can facilitate other activities on the at least one installation or distributed to the network (10). The integrated system will control the supply of electric power to the grid or network in question. The control of the system is integrated, coordinated and operated in real time.

Description

An integrated system for offshore industrial activities with fume injection
This invention is related to systems for offshore or land based industrial activities which use for feedstock or produce gas, crude oil and/or refined petroleum products/components, and provide reservoir injection of fume gases, can receive and store C02 or flue gases from other offshore or onshore industrial processes or hydrocarbon producing entities, and can provide industrial products, the generation and transmission of electric power and communications between the various elements or units within a defined network or grid.
Background and definitions
Crude oil is a complex mix of various hydrocarbon elements. Molecular chains with hydrocarbons (HC) containing up to 4 carbon atoms are usually gases, between 5 and 19 carbon atoms are usually liquids, while those molecules containing more than 20
hydrocarbons are solids.
Refining processes uses chemicals, catalysts, heat or pressure to separate and combine basic types of hydrocarbon molecules which naturally occurs in crude oils into groups of such molecules. Such groups are labeled components. Examples of such components are naphtha, kerosene, gas oil or distillates. Components are further processed to become refined products like gasoline(s), diesel, heating oils etc.
Due to the development of different consumption patterns than what is represented by the yield from basic atmospheric distillation, several upgrading technologies have been developed. Upgrading occurs by thermal and/or catalytic cracking or physical up breaking of long molecules to less, and in this way enabling the produce of relatively more of high valued final products like gasoline and diesel and less of heavy fuel oils. Cracking and upgrading are synonymous terms. Upgrading facilities are industrial processes that provide cracking.
In this context "crude oil" and "oil" are synonymous concepts. In a standard combustion processes involving air and hydrocarbons, the results or fume mixes will normally contain 70 - 75 % N2, 10 - 15 % 02, 5 - 10 % C02, 1 % Ar and small amounts of NO and N02. The terms "fume gases", "flue gases" and "gas mixture" are defined as synonymous terms. The term "gas" represents any combination of the gasses methane, ethane, propane, butane and the terms Natural Gas Liquids (NGL) and condensate. The concept "natural gas" is a mixture of methane and condensate. Condensate is NGL (Natural Gas Liquids) and hexane, heptane and octane. NGL is LPG (Liquid Petroleum Gas) and ethane and pentane. LPG is a mix of propane and butane. Natural gas can contain C02, N2 and sulfide in addition to "gas". "Gas" and "natural gas" are synonymous terms.
The term "offshore" represents a device, structure or installation located on, within or at the bottom (subsea) of water. Equivalently, "onshore" represents any device located not on, within or under water (subsea).
The terms "inject" and reinject" are synonymous terms.
Activities which may be parts of a total operational unit constituting an installation with industrial activities as discussed herein, like living modules, drilling modules or industrial activities which use refined products/components or gas as feedstock to generate (simple) heat, steam, petrochemical or fertilizer products, are not discussed in any detail as long as these processes are viewed as trivial, and well known for the skilled person in the arts.
Electric power generation by combined cycle processes and heat and/or steam generated in conjunction with such processes, are discussed in this document.
Prior art
The closed known prior art is NO 332044 (Myhr) which describes a system for integrated production of electric power from an offshore gas power plant with local gas production and reservoir injection of fume gases, and where the power is transported to consumers.
WO 2005/007776 (Olsvik & Moljord) describes a method for enhanced oil recovery - EOR for the production of heavy or extra heavy crude oil. The method represents a process involving the simultaneous reforming of natural gas to produce hydrogen, C02 and steam. Steam, or in combination with C02, will be injected into the reservoir to stimulate EOR or a partial refining of the crude oil will occur with the help of hydro processing to reduce the viscosity to the heavy crude oil.
WO 03/018958 (Olsvik et al), WO 03/018959 (Olsvik et al), WO 2004/055323 (Olsvik et al). All the documents represent methods for EOR, combining the simultaneous steps; air is separated into 02 and N2, the nitrogen fraction will be injected into reservoirs for pressure support, 02 will be combined with a natural gas source and by a reforming process and it will be converted into syngas. Syngas is primarily composed of the gasses H2, CO, and steam. Syngas is used in methanol production and other oxygenized hydrocarbon reactions. W099/64719 (Lia et al) describes a process to establish a gas mixture representing N2, C02, NOx, natural organic compounds and 0-2.0 mol % 02 from a oxygen rich fume gas.
NO 316545 (Breivik) Describes a system for the production and transportation og crude oil and associated gas from an offshore field, represented by two loading/unloading stations where crude oil/condensate and gas can be conveyed to vessels, and where C02 can be transported from the ships and applied as pressure support. A necessity is that the vessels are fitted with heat exchangers.
W09421512 (Noble & Bernard) describes a methane to methanol conversion process on an offshore platform, with offloading to a ship.
As evidence of uniqueness, novelty and inventive step of this invention, all prior art taken into account, Det norske Veritas (DnV) introduced its innovative Offshore Power for a New Era - or OPera concept on September 18, 2012, ref.: http://www.dnv.com/binaries/Opera%20brochure_tcm4-527124.pdf.
The concept outlines a combined cycle gas powered system for offshore application. There are, among several other aspects, no fume control, reinjection or integrated controls involved.
Invention
The primary objective of this invention is to establish integrated systems which detect, measure and control the demand, generate electric power accordingly, based on combustion of gas by a combined cycle combustion process, and provide the optimization (minimization) of 02, enabling the reinjection of the fume gases into producing HC reservoirs, thus provide pressure support for enhanced HC recovery, if desirable. Associated heat and/or steam production can facilitate other activities on the installation. The integrated system will control the supply of electric power to a grid or network, offshore and/or onshore.
The system can produce and transport crude oil. The grid or network can include other offshore or onshore HC producing facilities.
Gas, refined products and refined components are any combinations of hydrocarbons (HC) which contain molecular chains containing up to 20 carbon atoms. The terms, definitions and phrases related to e.g. crude oil, gas, refined products, components, fume gas, flue gas mentioned in the "Background and definition", "Prior art" sections and in the figures, also apply as basis for the actual invention represented by this document.
The present invention is e.g. exemplified by the figures 1-6. Figure 1 represents a typical modern refinery, represented by an atmospheric distillation unit (A) and a vacuum distillation unit (B). Atmospheric, light and heavy gas oil can be used as feedstock in catalytic upgrading processes (cracking) (C), while vacuum residue can be used as feedstock into thermal upgrading processes (cracking) (D). Other elements which normally supplement refining processes, which are not labeled in figure 1, are, but are not limited to; super fractioning, absorption processes, solvent extraction, naphtha reforming, polymerization, isomerization, desulphurization. For more info, see e.g. "Refining Process Handbook", S. Parkash, Elsevier, 2003.
Figure 2 describes a flow diagram outlining a combined cycle power plant. It constitutes a gas turbine (e.g. LM2500+), heat recovery steam generator - HRSG (or boiler unit), steam turbine, condenser, (multiple step) compressor unit (with inter-cooling) and facilities for gas injection. An electric power generator, which is a necessity in electric power generation, is not included in the drawing. This can be a separate unit or it can be integrated within the gas turbine and/or steam turbine.
Increase efficiency in the whole combined cycle process can be increased by combinations of fogging (the gas turbine) and wet compression (in the compression steps). For further reference see e.g. Journal of Phys. Sc. Vol. 6(4), 2011, Journal of Eng. for Gas Turb. & Power Vol. 135 (1), 2006, www.offshore-technology.com/contractors/power/mee-industries and w w w . axenergy . ch .
By manipulating with the combined cycle process, where the flue gas from the gas turbine is used in a closed loop in subsequent combustion processes, it is possible to obtain 02 levels «1 %. By utilizing high pressure in the HRSG or boiler unit and fuel with gas (e.g. pure CH4), 02 levels could become at the ppm level. In this way the fume could constitute (by volume or weight) (approximately) 87 % N2, (approximately) 12 % C02, small amounts of Ar (approximately 1 %) and N0X. The 02 levels could be optimized to fit economics and reservoir characteristics. In some instances it would be minimized (to ppm levels or « 1%), in other circumstances it would be represented by several % - points. Thus the fume gas, for any practical purposes, would represent a mix of C02 and N2. Within operational
temperatures and pressure related to reinjection of flue gases into reservoirs, the C02 fraction would become a liquid and N2 would represent immiscible pressure support for HC flows from reservoirs, and subsequent could enhanced HC production.
Example
The application of a theoretical combined cycle gas power plant for the Goliat field (Norway). Field data
Recoverable oil reserves: 28 mill. SmJ - 174 mill. bbl.
Natural gas reserves: 8 mrd. Sm - 50 mill, boe
Plateau oil production: 1.7 mill. Sm3/year - 29300 b/d
Plateau gas production: 0.41 mrd Sm /year - 7000 boe/d (est.)
Chosen solution (The field will become operational in 2013)
Oil and associated natural gas (NG) is produced from the reservoir "Realgrunnen". Crude oil is offshore loaded while the NG is reinjected (deposited) into the neighboring "Kobbe" reservoir structure.
To support total field operations, electric power will on a 50/50 basis be produced offshore by a GE LM2500+ gas turbine and imported from a land grid through a land/ offshore subsea cable.
Electric demand at the plateau phase is approximately 50 - 60 MW.
The following is a theoretical alternative combined cycle solution based on figure 2.
The LM 2500+ generate 32 MW with 38 % efficiency. The fume gas mix from this unit alone is 5 % C02, 74 % N2 , 15.5 % 02 + other (Ar, NOx). The 02 content is too high for hydrocarbons in reservoirs.
Design reservoir pressure for reinjection is 15 MPa.
By adding a total combine cycle process, where a steam turbine and a steam generator (boiler unit) is designed to fit the LM2500+ unit (fume volumes), an adequate fume mix of 11.4 % C02, 86.9 % N2 and 0.6 % 02 is obtainable.
Figure imgf000007_0001
Net electric efficiency**) [%] 17
*) Based on 150 bar - 15 MPa reservoir pressure. **) by taking the static pressure of a 1500 mfume (gas) column into account, it represents a topside pressure reduction of 3.5 MPa or
5MW less compression power.
Calculations based on setup outlined in figure 2.
Table 1
After compression, net power would be in the 40 - 45 MW range and electric efficiency would be approx. 17 %.
By adding wet compression and fogging, net power output can increase to 50 - 55 MW and electric efficiency (after compression) can increase to 20 - 22 %.
Economic calculations
GE LM 2500+ gas turbine consumes 155 tonnes (of NG)/day (1340 boe/day). Based on NG consumption of 155 tonnes/day => 0.17 mill, tonnes of C02/year;
=> NOK 70 mill, in C02 taxes/year (based on NOK 409/tonnes)
30 MW imports of land based electric power;
=> 370 mill. kWh or NOK 100 - 150 mill./year [NOK 0.27 - 0.40/kWh] Field EOR Appl. Recovery
(fraction OHIP)
Hawkins Gravity drainage 0.20
Chunchula Pressure maintenance 0.31
Block 31 Miscible displacement 0.6 (total)
Szeged
Moravaros Pressure maintenance 0.12
Jay/(LEC) Miscible displacement 0 13
Lake Barre Pressure maintenance 0.19
Fordoche
Wilcox8 & 12 Miscible displacement 0.1 95
Fordoche
Wilcox 5 Pressure maintenance 0.19 ....0.46
Field B* Immiscible displacement 0.36
Anschutz
Ranch East Pressure maintenance 0.45...53
Source: Shine, J and Holtz, Reserve Growth & Higher Recovery Using Nitrogen Gas Injection, Praxair, Inc., Wyoming EOR/IOR Conference, 2008.
Some empirical data regarding enhanced recovery rate by N2 injection. Table 2
Investments of the total system - USD 90 mill = NOK 550 mill.
□ Cost savings/income from C02 taxes/ and power purchase => NOK 170 - 220
mill ./year or more.
□ Fume (N2 + C02) injection into "Realgrunnen" could subsequently
production by 20 -points and prolonged life span for the field?
Several approaches have been proposed to extract (most of ) the C02 from the flue gas (mixture), named carbon capture (and storage) or CCS. The concept is to dispose only the fraction of the fume containing C02 rather than the total flue volumes. This for practical and economic reasons. The various approaches can be labeled as post-combustion, oxy-fuel combustion or phase separation. The various techniques which can be utilized are among chemical (amine) solvents, physical solvents, physical absorbents, membrane separation processes, chemisoiption, chemical bonding, phase separation.
For a more thorough discussion of various CCS approaches, see e.g.
http://gcep.stanford.edu/pdfs/assessments/carbon_capture_assessment.pdf
A major problem with CCS is to obtain economic feasible solutions.
I this context the term CCS represents any combination of the above stated approaches and techniques for the capturing ( a mixture containing large proportions of) C02. Figure 3 shows production and/or reinjection wells and risers for hydrocarbons (oil and/or gas) and fume gases (C02) from combustion processes associated with offshore or onshore industrial activities and/or HC production. In addition to the disposal of self generated fume mixes to reservoir(s), the system can handle or inject fume or C02 (mixtures) transported from other industrial activities on land or offshore into reservoir or caverns (depository facilities). This includes fume mixes or C02 (mixtures) from coal, oil (heavy fuel oils), gas power plants and HC producing units both onshore or offshore. The fume gases can be transported by combinations of pipelines and mobile units like trucks, rail tanks or ships. Risers can simultaneously lead the flue gases down into reservoirs or caverns and
hydrocarbons up from producing reservoirs. Risers will then have separate tubes or channels, separating the fume gases and the hydrocarbons. Risers can be rigid or flexible. Production and reinjection wells can be the same or they can be separate. Injection of fume gases and production of hydrocarbons can be from the same reservoir(s) or the processes can involve different structures or reservoirs.
Normally will risers lead fume gases down into a reservoir. To the degree that the system dispose transported or received a gas mixture (C02) from other industrial activities or HC producing units via pipeline or other means of transportation, the fume gases can be transported directly to reservoir via subsea subsystems or modules. The flue gases can be filtered or cleansed from fixed particles, but not necessarily.
To the degree the total system also produces crude oil in addition to gas, crude oil and gas will have to be fractioned or separated and the crude oil will have to be stabilized. The at least one industrial activity will primarily, but not necessarily, be represented by modules. The at least one such industrial activity is either fixed or locates on solid ground (onshore), or located on one or several fixed or floating (offshore) installations. Floating units can be founded on pontoons (semi submersible), can be moored or anchored by tension legs. The installation or platform can be made of combinations of concrete, metals (steel), epoxy, kevlar, fibers, matrixes, synthetic materials, composites, fiber glass and the like.
Figures 4, 5 and 6 provide an integrated system for industrial activities which produce HC or use gas or refined components/products as feedstock. With reference to figure 4, stabilized crude oil or refined products/components or a gas is transported from a mobile unit (tanker) or by pipeline or from a riser from underground reservoir(s) or (subsea) well(s) (1). If hydrocarbons containing crude oil are locally produced, it would have to be fractioned and stabilized by separating water, sand and gas(es) (2). Stabilized crude oil, refined products/components or gas can be placed in a storage facilities (3) or transported offshore or onshore by ships or pipeline (10). These storage facilities (3, 9) can be placed or facilitated at ground based, floating, fixed or subsea units or be represented by an underground caverns or offshore/onshore reservoir(s).
The industrial facility (5) can be represented by a distillery unit of atmospheric and/or vacuum type, and/or it can also be represented by at least one catalytic and/or thermal upgrading unit, as outlined in Figure 1. Such units can be represented by, but not limited to, combinations of fluid catalytic cracking, coking, visbreaking, hydro cracking, in addition to combination of units which represent super fractioning, absorption processes, solvent extraction,
crystallization, naphtha reforming, polymerization, isomerization, desulphurization (not shown on the figures).
The industrial activity (5) can be represented by a combined cycle (CC) power unit as outlined in Figure 2. It would be represented by at least one gas turbine and at least one steam turbine, require at least one boiler unit (steam generator), and at least one electric power generator (not shown). Two or several of the units can be integrated. A preferred solution would include a heat recovery steam generator, as outlined in Figure 2, together with at least one condenser. If a CC unit represents or is part of the industrial facility, a high performance (multiple) step compressor unit could be integrated within the CC sub - system (7). The CC unit can be fueled by any combination of refined products, components or gas, but preferably pure methane.
The CC unit will be integrated by at least one control system (11). The control system will with the use of sensors (not shown on figures 2 and 4), measure, control and adjust the fume mixture (7) according to defined or predetermined levels before injection into wells (8). The monitoring of 02 levels in the flue gas (7) are of particular importance.
An electric power generator will normally produce AC current. Consumption and the transmission of electric power can be done both in the form of AC or DC current. If AC power is produced and DC power is required for either consumption or in the transmission phase, converters would be required (not shown).
Parts of the electricity, heat and/or steam can be used to drift the power unit.
The fume gases could be channeled via a carbon capture (CCS) unit (6) for the (partial) removal of C02. In this eventuality, it would be most likely that only the fraction containing C02 would be reinjected into wells or storage facility (8), and N2 (and small amounts of other gases) would be released to the atmosphere (not shown on figures).
At least one systemic control and guidance system (11) will interconnect all subsystems (1 - 10) with the help of sensors (not shown on figures). These sensors will, but are not limited to, the detection (quality and quantity to) pressure, temperature, heat (infrared), frequencies (sound, light), stress, strain, liquid (level), gas (concentrations), one or two phase fluid flows, relative and absolute humidity. Such sensors can be, but are not limited to, analog or digital electronic, electro - mechanical, optical or of ultrasound types. The sensors are connected by wire or wireless communications. Overall coordination of the control system is executed by at least one central processing unit (CPU), which constitute the hub of the at least one control and guidance system (11).
Parts of the electricity, heat, steam produced can be used to drift other parts of the industrial complex (1 - 10). The control system (11) can be partially of totally overturned manually, meaning that at least one of sub - systems or modules (1 - 10) can be manually controlled.
All elements in figures 1 - 6, numbered (1 - 10) (11) can be represented by independent modules for rapid hook up, replacement and/or transportation. Buffer storages (3) and (9) can be represented by mobile units and/or vessels (ships).
Except from electricity, steam or heat, detailed descriptions or drawings of production, storage or offloading facilities of petrochemicals (alcohols, ethylene, propylene, butadiene, benzene, toluene, xylene, plastics, polymers and the like) or fertilizer products [based on nitrogen, phosphate, potassium, compound, binary compound (npk)l, which utilizes gas, and/or refined petroleum products/components as feedstock, are not shown on the various figures. In this document, the term "petrochemical" and "fertilizer" can represent any combinations of the above listed products or basis for chemical compounds.
Figure 6 outline the industrial activity (1 - 11) as a hub within a network, where units U | to un are representing any of the offshore- or land based industrial activities constituting any of an offshore refinery, an onshore refinery, a melting plant, an offshore power plant powered by any of gas, coal, oil, an onshore power plant powered by any of gas, coal, oil, and an industrial production facility for any of heat, steam, petrochemical products, fertilizer and cement, and any of pipelines and/or electric devices or cables interconnecting the units of the network. The network or grid can also include combinations of power transmission (10) and/or include fume (C02) transportation to/from other offshore or onshore HC producing facilities or installations.
A favourable solution is represented by an integrated system for industrial activities on at least one onshore or offshore location which use as feedstock and/or produce at least one of gas, crude oil, refined hydrocarbon components or products, which system is represented by an installation and constitute at least one storage facility of which fume gases from the industrial activity (8) can be injected, and at least one riser structure for leading the fume gases from the installation to the storage facility, and which are further characterized by;
- the at least one industrial activity is represented by combinations of at least one HC producing installation, at least one distillation unit, at least one upgrading unit, oil refinery, combined cycle electric power plant, production of heat, production of steam, production of at least one fertilizer, production of at least one petrochemical product (5) and at least one pipeline or electric power grid for the transportation of fume gases (C02) or industrial products (electric power) to or from the installation from at least one of a) other industrial activity offshore, b) other industrial activity onshore, c) vessel or mobile unit, for the reinjection via at least one riser structure,
- at least one control and guidance system (11), by at least one sensor guiding at least one of the sub-systems of the system (1 - 10), measuring demand for the industrial activity, provide feedstock and/or produce at least one of gas, crude oil, refined hydrocarbon components or products to fuel the at least one industrial activity (combined cycle gas power plant), and control and monitor the reinjection of fume gases from the industrial activity (5) by at least one riser structure for leading the fume gases from the installation to the storage facility in real time, accordingly.
The term "measuring demand" can be combinations of electric power consumption or electric requirements to the grid of which the at least one electric power unit is part of, consumption of heat or steam locally or within the network, defined or predetermined production level of gas, crude oil, refined products and refined components, the delivery or supply of fume gases from the network, defined utilization rate of the CCS unit(s) (6), all taken storage or delivery (supply) facilities/capacities (1, 3, 8, 9, 10) into account.
The et least one combined cycle gas power plant is represented by at least one gas turbine, at least one steam turbine, at least one steam generator (boiler), at least one electric power generator and at least one control system (11) which can monitor and control combustion processes and subsequent fume gases (7) in addition to the measuring and controlling of the at least one gas turbine (5) and wet compression (7). At least two of the stated units can be fully integrated.
The combined cycle process can be fueled by any combination of refined products, components or gas, but the use of methane is preferred, especially in the boiler unit, to obtain the desired or defined fume gas mixture.
A most favorable integrated system can detect and measure the demand, include applying and the control of fogging of the at least one gas turbine (5) and provide and control wet compression (7), generate electric power accordingly by a combined cycle gas combustion process, and provide the optimization (minimization) of 02, enabling the reinjection of the fume gases (C02 + N2) into producing HC reservoirs, thus provide pressure support for enhanced HC recovery. Associated or integrated heat and/or steam production ( from the at least one steam or boiler unit) can facilitate other activities on the at least one installation or distributed to the network (10). The integrated system will control the supply of electric power to the grid or network in question. The control of the system is integrated, coordinated and operated in real time.
The system can further be characterized, but not necessarily, by combinations of:
- At least one of the riser structures is facilitated to lead hydrocarbons up to the at least one installation.
- At least one of the elements of the system (1 - 10) is located subsea.
- At least one of the elements of the system (1 - 10) is represented by an independent module.
- The installation is part of a network of at least one such installation and at least one offshore or land based (onshore) industrial activity where the interconnection constitute combinations of pipelines and power transmission devices or cables.
- The network is represented of combinations of serial, parallel or star type interconnections.
- Pipelines within the network is for the transportation of any among of fume gases, C02, refined petroleum products or components, gas, crude oil, heat, steam, and the electric transmission devices or cables are for the transfer of electric power.
- At least one of a) the electric power transmission devices or b) pipelines are useful for the communications by electronic, acoustic or optical signals.
- The at least one of the offshore- or land based industrial activities constitute any of an HC producing installation, an offshore refinery, an onshore refinery, a melting plant, an offshore power plant powered by any of gas, coal, oil, an onshore power plant powered by any of gas, coal, oil, and an industrial production facility for any of heat, steam, petrochemical products, fertilizer and cement.
- Fume gas reinjection to the at least one reservoir, cavern or storage facility is facilitated to be partially or fully closed down.
- The at least one industrial activity or installation is integrated with or can be connected to a unit which can separate or capture part of a fume gas that contains a significant proportion of C02 (CCS) (6).
- The at least one control and guidance system (11) can partly or in total be overturned manually against at least one of the sub - systems (1 - 10).
The invention is not limited to the methods and systems described above, thus all approaches that are functionally equivalent are included by the scope of the invention. Drawings and figures are to be interpreted illustratively and not in a limiting context. It' is further presupposed that all the claims shall be interpreted to cover all generic and specific characteristics of the invention which are described, and that all aspects related to the invention, no matter specific use of language, shall be included. Thus, the stated references have to be interpreted to be included as part of this invention's basis, methodology, mode of operation, methods and systems. It should also be noted that the features of each of the above embodiments can be applied alone or in combination with the features of any of the other embodiments. A most preferred embodiment includes all the various features, systems and references described above.

Claims

Claims
1. System for industrial activities on at least one onshore or offshore location which use as feedstock and/or produce at least one of gas, crude oil, refined hydrocarbon components or products
which system is represented by an installation and constitute
- at least one storage facility of which fume gases from the industrial activity (8) can be injected
and
- at least one riser structure for leading the fume gases from the installation to the storage facility,
and which are
c h a r a t e r i z e d b y which
- the at least one industrial activity is represented by combinations of at least one hydrocarbon producing installation, at least one distillation unit, at least one upgrading unit, oil refinery, combined cycle electric power plant, production of heat, production of steam, production of at least one fertilizer, production of at least one petrochemical product (5) and at least one pipeline or electric power grid for the transportation of fume gases (C02) or industrial products (electric power) to or from the installation from at least one of a) other industrial activity offshore, b) other industrial activity onshore, c) vessel or mobile unit, for the reinjection via at least one riser structure,
- at least one integrating control and guidance system (11), by at least one sensor guiding at least one of the sub-systems of the system (1 - 10), measuring demand for the industrial activity, provide feedstock and/or produce at least one of gas, crude oil, refined hydrocarbon components or products to fuel the at least one industrial activity (combined cycle gas power plant), and control and monitor the reinjection of fume gases from the industrial activity (5) by at least one riser structure for leading the fume gases from the installation to the storage facility in real time.
2. System according to claim 1,
c h a r a t e r i z e d b y which
The et least one combined cycle gas power plant is represented by at least one gas turbine, at least one steam turbine, at least one steam generator (boiler), at least one electric power generator and at least one control system (11) which can monitor and control at least one of a) combustion processes and subsequent fume gases (7), b) associated steam production, c) associated heat production, d) fogging of the at least one gas turbine, e) wet compression (7).
3. System according to claim 1,
charaterized by which
at least one of the riser structures is facilitated to lead hydrocarbons up to the at least one installation.
4. System according to claim 1,
charaterized by which
at least one of the elements of the system (1 - 10) is located subsea.
5. System according to claim 1,
charaterized by which
at least one of the elements of the system (1 - 10) is represented by an independent module.
6. System according to claim 1,
charaterized by which
the installation is part of a network of at least one such installation and at least one offshore or land based (onshore) industrial activity where the interconnection constitute combinations of pipelines and power transmission devices or cables.
7. System according to claim 6,
charaterized by which
the network is represented of combinations of serial, parallel or star type interconnections.
8. System according to claim 6,
charaterized by which
pipelines within the network is for the transportation of any among of fume gases, C02, refined petroleum products or components, gas, crude oil, heat, steam, and the electric transmission devices or cables are for the transfer of electric power.
9. System according to claim 6,
charaterized by which at least one of a) the electric power transmission devices or b) pipelines are useful for the communications by electronic, acoustic or optical signals.
10. System according to claim 6,
charaterized by which
the at least one of the offshore- or land based industrial activities constitute any of
-an hydrocarbon producing installation,
-an offshore refinery,
-an onshore refinery,
-a melting plant,
-an offshore power plant powered by any of gas, coal, oil,
-an onshore power plant powered by any of gas, coal, oil, and
-an industrial production facility for any of heat, steam, petrochemical products, fertilizer and cement.
11. System according to any combination of claims 1-10
charaterized by which
fume gas reinjection to the at least one reservoir, cavern or storage facility is facilitated to be partially or fully closed down.
12. System according to combination of claims 1 -11,
charaterized by which
the at least one industrial activity or installation is integrated with or can be connected to a unit which can separate or capture part of a fume gas that contains a significant proportion of C02 (CCS).
13. System according to combination of claims 1 -12,
charaterized by which
the at least one control and guidance system (11) can partly or in total be overturned manually against at least one of the sub - systems (1 - 10).
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EP2795055A4 (en) 2015-11-04
NO20111770A1 (en) 2011-12-21
EP2795055B1 (en) 2018-01-10
DK2795055T3 (en) 2018-04-23
WO2013036132A3 (en) 2013-07-04
NO2795055T3 (en) 2018-06-09
EP2795055A2 (en) 2014-10-29

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