EP3225777A1 - Procédé pour améliorer la production de pétrole à partir d'un réservoir d'huile - Google Patents

Procédé pour améliorer la production de pétrole à partir d'un réservoir d'huile Download PDF

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Publication number
EP3225777A1
EP3225777A1 EP16163251.8A EP16163251A EP3225777A1 EP 3225777 A1 EP3225777 A1 EP 3225777A1 EP 16163251 A EP16163251 A EP 16163251A EP 3225777 A1 EP3225777 A1 EP 3225777A1
Authority
EP
European Patent Office
Prior art keywords
fuel
waste
oil
producing
combusting
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.)
Withdrawn
Application number
EP16163251.8A
Other languages
German (de)
English (en)
Inventor
Martti Malmivirta
Mikko Kantero
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.)
Eera Waste Refining Oy
Original Assignee
Eera Waste Refining Oy
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 Eera Waste Refining Oy filed Critical Eera Waste Refining Oy
Priority to EP16163251.8A priority Critical patent/EP3225777A1/fr
Publication of EP3225777A1 publication Critical patent/EP3225777A1/fr
Withdrawn legal-status Critical Current

Links

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection

Definitions

  • the disclosure relates to production of oil, and particularly to production of oil from oil reservoir.
  • the present disclosure further concerns production of steam.
  • An oil reservoir is a subsurface pool of hydrocarbons contained in porous or fractured rock formations.
  • a steam injection is used for stimulating the oil well.
  • steam injection is used for extracting heavy crude oil from the oil well.
  • Commonly steam injection is applied to oil reservoirs which are relatively shallow and which contain crude oils which are very viscous at the temperature of the native underground formation. The injected steam reduces viscosity of paraffins and asphaltenes tying them to the rock surfaces while steam distillation light crude oil creates a small bank of solvent that can miscibly remove trapped oil.
  • Producing steam for steam injection requires a lot of energy and therefore it usually accounts for the largest cost in thermal oil production.
  • the steam used for steam injection is produced using natural gas or other fossil fuels. Because of rapid descent in oil price recently, there is a heightened pressure to reduce energy costs in the production of oil.
  • An object of the present disclosure is to provide a method overcome the above problems.
  • the disclosure is based on the idea of combusting waste in a furnace for producing heat for the production of steam instead of combusting natural gas or other fossil fuel.
  • waste can also be gasified in a gasifier for producing combustible gas, and then combustible gas obtained from gasification is combusted in a gas burner for the production of steam.
  • the existing gas burners for combusting natural gas can be used for producing heat from the combustible gas.
  • An advantage of the method of the disclosure is that waste can usually obtained for free or reception of waste is even paid for. Therefore the cost of fuel for producing steam for steam injection is reduced significantly.
  • the disclosure relates to a method for improving production of oil from an oil reservoir.
  • the method comprises the step of providing fuel comprising waste.
  • the fuel comprises at least 25 % waste.
  • the fuel comprises at least 50 % waste.
  • the fuel comprises at least 75 % waste.
  • the fuel comprises at least 90 % waste.
  • the fuel consists of waste. The more fossil fuel can be replaced with waste, the more fuel costs are reduced.
  • the method comprises also the step of combusting fuel in a furnace for producing heat.
  • the furnace is a fluidized bed furnace, such as atmospheric fluidized bed furnace, pressurized fluidized bed furnace, bubbling fluidized bed furnace or circulating fluidized bed furnace.
  • the method comprises also the step of producing steam using heat produced in the step of combusting fuel.
  • the method comprises also the step of gasifying fuel in a gasifier for producing combustible gas.
  • the gasifier is a fluidized bed gasifier.
  • the method comprises also the step of combusting combustible gas produced in the step of gasifying fuel in a gas burner for producing heat.
  • the method comprises also the step of producing steam using heat produced in the step of combusting fuel.
  • the fuel For combusting in a fluidized bed furnace or gasifying in a fluidized bed gasifier, the fuel must be sufficiently fine. Therefore the fuel is adapted to be combusted or gasified in a fluidized bed furnace or in a fluidized bed gasifier.
  • the step of providing fuel comprises providing waste that has been shredded, dehydrated and screened.
  • the step of providing fuel comprises steps of providing waste, shredding waste, dehydrating waste and screening waste. In the step of shredding waste the particle size of the waste is made sufficiently small to be suitable for combusting in a fluidized bed furnace. In the step of screening waste particles, that are not suitable for combustion or gasification, are removed.
  • the method comprises also the step of feeding steam produced in the step of producing steam to the oil reservoir.
  • the waste as a whole has a positive calorific value.
  • the waste may comprise components that are not combustible, such as metal objects, and thus having no calorific value.
  • the waste needs to comprise components that are sufficiently dry for having a positive calorific value.
  • the fuel comprises refuse-derived fuel (RDF).
  • RDF is solid recovered fuel (SRF).
  • SRF solid recovered fuel
  • EN15359 standard from the European Standardisation Committee
  • the fuel comprises at least 25 % RDF.
  • the fuel comprises at least 50 % RDF. More preferably the fuel comprises at least 75 % RDF.
  • the fuel comprises at least 90 % RDF.
  • the fuel consists of RDF.
  • the fuel comprises waste originating from oil drilling or oil refining. Because waste originating from oil drilling or oil refining are readily available at the site of the oil well, no transportation of such waste is required.
  • the fuel comprises at least 25 % waste from oil drilling or oil refining.
  • the fuel comprises at least 50 % waste from oil drilling or oil refining. More preferably the fuel comprises at least 75 % waste from oil drilling or oil refining. Most preferably the fuel comprises at least 90 % waste from oil drilling or oil refining.
  • the fuel consists of waste from oil drilling or oil refining.
  • the waste from oil drilling or oil refining comprises for example oil cuttings, oily soil, waste oil, spent activated carbon, solid oily waste or slop oils.
  • the waste from oil drilling or oil refining may also comprise bio sludge from the water treatment of an oil drilling and/or oil converting plant.
  • the fuel comprises tire waste, such as shredded used tires.
  • the waste originates from a plurality of sources.
  • the fuel comprises both refuse-derived fuel (RDF) and waste from oil drilling or oil refining.
  • RDF refuse-derived fuel
  • the fuel comprises a mixture of RDF and waste from oil drilling or oil refining.
  • the fuel consists of a mixture of RDF and waste from oil drilling or oil refining.
  • the disclosure also relates to a method of producing steam.
  • the method comprises the step of providing fuel adapted to be combusted in a furnace or adapted to be gasified in a gasifier.
  • the step of providing fuel comprises providing waste that has been shredded, dehydrated and screened.
  • the step of providing fuel comprises steps of providing waste, shredding waste, dehydrating waste and screening waste.
  • the method also comprises the step of combusting fuel in a furnace for producing heat.
  • the furnace is a fluidized bed furnace, such as atmospheric fluidized bed furnace, pressurized fluidized bed furnace, bubbling fluidized bed furnace or circulating fluidized bed furnace.
  • the method comprises the step of gasifying fuel in a gasifier for producing combustible gas.
  • the gasifier is a fluidized bed gasifier.
  • the method comprises the step of combusting combustible gas produced in the step of gasifying fuel in a gas burner for obtaining heat.
  • the method also comprises the step of producing steam using heat produced in the step of combusting fuel or in the step of combusting combustible gas.
  • the fuel comprises refuse-derived fuel (RDF) and waste from oil drilling or oil refining.
  • RDF is solid recovered fuel (SRF).
  • SRF solid recovered fuel
  • the fuel comprises at least 25 % waste from oil drilling or oil refining.
  • the fuel comprises at least 50 % solid recovered fuel (RDF) and waste from oil drilling or oil refining.
  • the fuel comprises at least 75 % solid recovered fuel (RDF) and waste from oil drilling or oil refining.
  • the fuel comprises at least 90 % solid recovered fuel (RDF) and waste from oil drilling or oil refining.
  • the fuel consists of solid recovered fuel (RDF) and waste from oil drilling or oil refining.
  • the fuel consists of a mixture of RDF and waste from oil drilling or oil refining.
  • the waste from oil drilling or oil refining comprises for example oil cuttings, oily soil, waste oil, spent activated carbon, solid oily waste or slop oils.
  • the waste from oil drilling or oil refining may also comprise bio sludge from the water treatment of an oil drilling and/or oil converting plant.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Processing Of Solid Wastes (AREA)
EP16163251.8A 2016-03-31 2016-03-31 Procédé pour améliorer la production de pétrole à partir d'un réservoir d'huile Withdrawn EP3225777A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16163251.8A EP3225777A1 (fr) 2016-03-31 2016-03-31 Procédé pour améliorer la production de pétrole à partir d'un réservoir d'huile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16163251.8A EP3225777A1 (fr) 2016-03-31 2016-03-31 Procédé pour améliorer la production de pétrole à partir d'un réservoir d'huile

Publications (1)

Publication Number Publication Date
EP3225777A1 true EP3225777A1 (fr) 2017-10-04

Family

ID=55696989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16163251.8A Withdrawn EP3225777A1 (fr) 2016-03-31 2016-03-31 Procédé pour améliorer la production de pétrole à partir d'un réservoir d'huile

Country Status (1)

Country Link
EP (1) EP3225777A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060243448A1 (en) * 2005-04-28 2006-11-02 Steve Kresnyak Flue gas injection for heavy oil recovery
US20070281251A1 (en) * 2006-05-19 2007-12-06 Diamond Qc Technologies Inc. Alternate atomizing medium for burning efficiency of emulsion fuels, heavy oils and bitumens
US20080257543A1 (en) * 2007-01-19 2008-10-23 Errico De Francesco Process and apparatus for enhanced hydrocarbon recovery
US20110259586A1 (en) * 2010-04-23 2011-10-27 Conocophillips Company Water treatment using a direct steam generator
US20130323614A1 (en) * 2011-01-07 2013-12-05 Advanced Plasma Power Limited Gas stream production

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060243448A1 (en) * 2005-04-28 2006-11-02 Steve Kresnyak Flue gas injection for heavy oil recovery
US20070281251A1 (en) * 2006-05-19 2007-12-06 Diamond Qc Technologies Inc. Alternate atomizing medium for burning efficiency of emulsion fuels, heavy oils and bitumens
US20080257543A1 (en) * 2007-01-19 2008-10-23 Errico De Francesco Process and apparatus for enhanced hydrocarbon recovery
US20110259586A1 (en) * 2010-04-23 2011-10-27 Conocophillips Company Water treatment using a direct steam generator
US20130323614A1 (en) * 2011-01-07 2013-12-05 Advanced Plasma Power Limited Gas stream production

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