EP3519671B1 - Appareil de régulation de pression d'injection pour la récuperation assistée du pétrole par polymère - Google Patents

Appareil de régulation de pression d'injection pour la récuperation assistée du pétrole par polymère Download PDF

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Publication number
EP3519671B1
EP3519671B1 EP17786962.5A EP17786962A EP3519671B1 EP 3519671 B1 EP3519671 B1 EP 3519671B1 EP 17786962 A EP17786962 A EP 17786962A EP 3519671 B1 EP3519671 B1 EP 3519671B1
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EP
European Patent Office
Prior art keywords
bars
pressure
tube
vortex
modules
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.)
Active
Application number
EP17786962.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3519671A1 (fr
Inventor
René Pich
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.)
SPCM SA
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SPCM SA
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Publication date
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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
    • 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
    • E21B43/20—Displacing by water
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • 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

Definitions

  • One of the methods consists in injecting a viscous solution of polymers, in particular polyacrylamide, to mobilize a greater volume of the field.
  • the injected polyacrylamides are however sensitive to mechanical and chemical degradation of molecular weights, which requires precise handling to maintain their effectiveness.
  • the polymers are in powder form, which is dissolved in water at a sufficiently high concentration, to reduce the size of the so-called maturation, that is to say dissolution, tanks. Indeed, the dissolution time of these powders is of the order of 1 hour.
  • the concentration of these solutions is 10 to 20 grams / liter with high viscosities (1000 to 10,000 cps).
  • this stock solution should be diluted to 1 to 3 grams per liter for injection.
  • Various methods are used to avoid mechanical degradation by a sudden drop in pressure, to adapt the injection pressure to the pressure of the specific well.
  • the first consists in installing a metering pump per well, and sending the stock solution to the head of each well to dilute it with the injection water.
  • the second method consists of diluting the stock solution on the dissolution platform, and sending this diluted solution to each well through separate pipelines.
  • the third method consists in completely diluting the stock solution by the injection water assembly, and using the water injection lines. This method requires the lowest investments.
  • the water pump will be set above the pressure of the well with the highest pressure, and it will be necessary to reduce the pressure on the other wells, which normally corresponds to a degradation that is all the higher as the pressure differential is greater.
  • valve heads With approximately 10 valves, a pressure drop of 50 bars can be created.
  • the valve heads can be fitted with hydraulic motors as standard, allowing the same opening on all valves with a single adjustment.
  • the material must therefore be very flexible and easy to handle.
  • mechanical degradation is understood to mean the degradation of the polymer in the solution injected into the well, measured by the drop in viscosity of the solution after passing through the pressure regulation device.
  • the hole in the cover has a diameter of between 10 and 25 mm.
  • Valves are needle or needle type, although other types of valves work as well.
  • the hole is preferably in a central position.
  • Each vortex module can be positioned so that the hole is downstream or upstream of the flow.
  • the vortex modules are all positioned in the same direction with the hole downstream of the flow of the aqueous polymeric solution.
  • a module with an internal diameter of 50 mm and two 2-inch needle valves.
  • This 50 mm diameter is given by the interior of the vortex module, which will have the necessary restriction for a passage allowing a pressure drop of 5 bars.
  • This restriction could be from 10 to 25 mm, while maintaining the outside diameter of the vortex module.
  • Each module will preferably have a length of between 10 and 20 cm.
  • modules could, for example, consist of a perforated washer associated with pieces of 10 cm tube.
  • the tube contains between 4 and 20 vortex modules. This makes it possible to obtain pressure drops of up to 20 bars (4 modules), and up to 100 bars (20 modules).
  • the vortex modules are able to be inserted into the tube.
  • the outside diameter of the vortex modules is slightly less than the inside diameter of the removable tube. Preferably, it is less than 1 mm.
  • the pressure modulation valve (s) can be positioned upstream or downstream of the tube containing the vortex modules.
  • the internal diameter of the tube is between 1.27 cm (1 ⁇ 2 inch) and 10.16 cm (4 inches), preferably between 1.27 cm (1 ⁇ 2 inch) and 7.62 cm (3 inches).
  • this equipment can be used in underwater injection, on which the two modulating valves are controlled from the surface by a hydraulic motor, and the tube itself will be fixed by quick collars, allowing disassembly, modification of the number of modules, reassembly in a fairly easy manner.
  • the subject of the invention is also a method for reducing the injection pressure of an aqueous polymeric solution as a function of the pressure of the well, using the apparatus according to the invention, in a method for enhanced oil recovery.
  • the pressure drop created in a valve or in a vortex module is at most 5 bar, preferably between 1 and 5 bar.
  • the flow rate per well is set at 19 m3 / hour, measured with an electromagnetic flow meter.
  • 5 modules are placed in the tube, and the pressure can be modulated with the 2 valves from 125 to 135 bars.
  • 6 modules are placed in the tube, and we can modulate from 120 to 130 bars.
  • the degradation observed is less than 5% even with a pressure difference of 50 bars.

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Polymerisation Methods In General (AREA)
  • Cyclones (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP17786962.5A 2016-10-03 2017-09-28 Appareil de régulation de pression d'injection pour la récuperation assistée du pétrole par polymère Active EP3519671B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1659515A FR3057011B1 (fr) 2016-10-03 2016-10-03 Appareil de regulation de pression d'injection pour la recuperation assistee du petrole par polymere
PCT/FR2017/052642 WO2018065699A1 (fr) 2016-10-03 2017-09-28 Appareil de regulation de pression d'injection pour la recuperation assistee du petrole par polymere

Publications (2)

Publication Number Publication Date
EP3519671A1 EP3519671A1 (fr) 2019-08-07
EP3519671B1 true EP3519671B1 (fr) 2020-12-16

Family

ID=57906743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17786962.5A Active EP3519671B1 (fr) 2016-10-03 2017-09-28 Appareil de régulation de pression d'injection pour la récuperation assistée du pétrole par polymère

Country Status (9)

Country Link
US (1) US10760368B2 (es)
EP (1) EP3519671B1 (es)
CN (1) CN109790746B (es)
AR (1) AR109748A1 (es)
BR (1) BR112019006027B1 (es)
FR (1) FR3057011B1 (es)
MX (1) MX2019003591A (es)
RU (1) RU2742288C2 (es)
WO (1) WO2018065699A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017165403A1 (en) 2016-03-21 2017-09-28 Nueon Inc. Porous mesh spectrometry methods and apparatus

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477467A (en) * 1967-10-05 1969-11-11 Dow Chemical Co Adjustable pressure reducing valve
US3608631A (en) * 1967-11-14 1971-09-28 Otis Eng Co Apparatus for pumping tools into and out of a well
US4510993A (en) * 1982-03-25 1985-04-16 Marathon Oil Company Flow control apparatus and method
DE3222539C2 (de) * 1982-06-16 1984-07-26 Drägerwerk AG, 2400 Lübeck Absaugadapter und Absauggerätesatz unter Verwendung dieses Adapters
US4782847A (en) * 1982-06-23 1988-11-08 Marathon Oil Company Flow control apparatus and method
RU2012780C1 (ru) * 1991-03-21 1994-05-15 Институт проблем транспорта энергоресурсов Способ дозирования реагента в скважину
US7598333B1 (en) * 2002-04-10 2009-10-06 Conocophillips Company Low-viscosity drag reducer
CN201412679Y (zh) * 2009-06-01 2010-02-24 西安华阳能源科技工程有限公司 用在油气输送管道上的径流式流体涡流发生器
RU2010124468A (ru) * 2010-06-15 2011-12-20 Загир Агзамнурович Шарифуллин (RU) Способ предотвращения катастрофического развития аварийных ситуаций при нарушении целостности трубопроводов при их эксплуатации, устройство и клапаны-отсекатели для осуществления способа
FR2962153B1 (fr) 2010-07-02 2013-04-05 Total Sa Vanne de controle de debit pour les solutions de polymeres
US8801859B2 (en) * 2011-05-04 2014-08-12 Renmatix, Inc. Self-cleaning apparatus and method for thick slurry pressure control
US8607869B2 (en) * 2011-05-20 2013-12-17 Global Environmental Solutions, Inc. Linear pressure reducer for regulating injection pressure in an enhanced oil recovery system
CN103244706B (zh) * 2013-05-21 2015-02-18 哈尔滨博华科技有限公司 套筒式低剪切母液流量调节装置
US10989234B2 (en) * 2013-12-19 2021-04-27 Total Sa Flow control valve including a plurality of tubes having a geometrically variable cross-section
FR3026773B1 (fr) * 2014-10-01 2019-03-29 S.P.C.M. Sa Appareil de controle de pression d'injection dans la recuperation assistee du petrole offshore
CN104806213B (zh) * 2015-03-10 2017-07-11 东北石油大学 新型分压注入工具
GB201504878D0 (en) * 2015-03-23 2015-05-06 Algipharma As Use of alginate oligomers and CFTR modulators in the treatment of conditions associated with CFTR dysfuntion
FR3046194B1 (fr) * 2015-12-23 2018-01-05 S.P.C.M. Sa Appareil de regulation de pression d'injection dans la recuperation assistee du petrole

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
BR112019006027B1 (pt) 2022-12-06
FR3057011A1 (fr) 2018-04-06
RU2019109173A (ru) 2020-09-29
US10760368B2 (en) 2020-09-01
FR3057011B1 (fr) 2018-11-02
RU2019109173A3 (es) 2020-11-26
AR109748A1 (es) 2019-01-16
BR112019006027A2 (pt) 2019-06-18
MX2019003591A (es) 2019-06-10
WO2018065699A1 (fr) 2018-04-12
CN109790746B (zh) 2021-11-23
US20190338616A1 (en) 2019-11-07
CN109790746A (zh) 2019-05-21
RU2742288C2 (ru) 2021-02-04
EP3519671A1 (fr) 2019-08-07

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