WO2017109334A1 - Appareil de regulation de pression d'injection dans la recuperation assistee du petrole - Google Patents
Appareil de regulation de pression d'injection dans la recuperation assistee du petrole Download PDFInfo
- Publication number
- WO2017109334A1 WO2017109334A1 PCT/FR2016/053415 FR2016053415W WO2017109334A1 WO 2017109334 A1 WO2017109334 A1 WO 2017109334A1 FR 2016053415 W FR2016053415 W FR 2016053415W WO 2017109334 A1 WO2017109334 A1 WO 2017109334A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- valves
- linear
- linear tubes
- injection
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 7
- 238000002347 injection Methods 0.000 title claims description 23
- 239000007924 injection Substances 0.000 title claims description 23
- 238000011084 recovery Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000003129 oil well Substances 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 16
- 230000015556 catabolic process Effects 0.000 description 19
- 238000006731 degradation reaction Methods 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
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
-
- 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
Definitions
- Enhanced oil recovery (RAP) by injection of viscous polymer solutions is developing with some difficulties due to the potential for mechanical degradation of the polymer.
- the polymers used in particular the polyacrylamides, undergo a degradation of the molecular weight when subjected to shearing. This effect is all the more important as the molecular weight is high and the polymer concentration is low.
- An oil field comprises between 10 wells and several thousand water injection wells in secondary recovery, the primary being the autogenous production of oil.
- a stock solution usually concentrated to 0.5 to 2% of very high molecular weight polymer is first prepared.
- This solution is then distributed at 50-2000 parts per million to be injected by various methods.
- the stock solution and the low pressure water are pumped by a high pressure displacement pump at such a rate that the pressure of the well is maintained;
- the water and the polymer are mixed at high pressure with the final pressure, this solution passing through a calibrated tube of adaptable length creating the necessary pressure drop without degrading the polymer.
- the degradation for pressure differences of 50 bar, the speed of the solution with a usual concentration of 1000-2000 ppm and a molecular weight of 20 million should not exceed about 11 m / sec (US Patent 2015 / 0041143);
- the mixture can also be passed through a positive displacement pump, for example a gear pump, whose speed and therefore the flow rate are controlled by a hydraulic or electric brake.
- a positive displacement pump for example a gear pump, whose speed and therefore the flow rate are controlled by a hydraulic or electric brake.
- US 3,477,467 A discloses a controlled pressure reduction apparatus with a minimum of shear. It consists of two linear tubes each provided with a pressure gauge. These two tubes are separated by additional nonlinear piping, which is equipped with an ON / OFF valve. This intermediate pipe is separated by an assembly comprising a fluid collector, which allows the solid particles in the ducts to be retained by means of a screen and which makes it possible to control the dispersion of the solid particles in the ducts by means of a door. It is therefore neither a needle valve nor a gate valve.
- U.S. Patent 4,782,847 includes a needle valve (also referred to as a needle valve) and tube sections with Vortex-effect restrictions. Tests conducted with oil companies on dilute (1000 ppm) low viscosity ( ⁇ 20 cps) solutions with 20 million molecular weight polymers allowed the needle valve to reduce pressure by 7 to 10 bar without further degradation at 2%. The Vortex orifices and the needle valve do not allow a permanent adjustment on a well where the variation in time can be 50 bars. It is therefore necessary to dismantle the system to adapt Vortex sleeves, which is excluded on important fields. US Patent 4,510,993 utilizes a single needle valve or needle compensator system, but has much greater limitations than the above patent. An oil company currently requires:
- a RAP can last from 10 to 20 years
- the Applicant has developed a multiple valve system with cap or needle each separated by straight lengths of tube.
- the subject of the invention is therefore an apparatus for regulating the injection pressure of a polymeric aqueous solution in an oil well, said apparatus consisting of a series of linear tubes each provided with a pressure gauge, each tube being separate by a valve.
- the device is characterized in that the valves are gate valves and / or needle valves.
- the tubes are mounted in series one behind the other and each separated by a gate valve and / or a needle valve.
- the device therefore consists of a continuous succession of linear tubes and gate valves and / or needle valves.
- the intermediate pressure gauges are used to distribute the pressure drops to obtain the minimum degradation. Obviously, this degradation will be a function of the flow rate and it will be necessary to calculate the diameters to not exceed the limit speed of degradation depending on the composition of the solution.
- the length of the linear tubes can be very small, preferably between 10 and 50 centimeters.
- the linear tubes and the valves are made of stainless steels, in particular austenitic-ferritic steels called “superduplex” or austenitic steels hardened on the surface (vacuum nitriding, kolsterisation) having a high mechanical resistance and a strong holding to corrosion.
- austenitic-ferritic steels called “superduplex” of high mechanical strength allows the reduction of erosion due to cavitation of the vortex effect.
- the linear tubes connected to the valves have a greater diameter than the passage of the valve which allows the vortex effect
- the pressure apparatus of the invention contains needle valves, the vortex effect is minimal.
- the valves alone can regulate the injection pressure.
- Salinity of water in particular salts of Na + , Ca 2+ , Mg 2+ which strongly influence the viscosity;
- Tests are absolutely necessary to determine the diameter, the number of linear tubes and the length of the apparatus.
- the apparatus consists for example of 6 successive linear vortex lengths and 5 gate valves, inducing a minor degradation of the polymer.
- the number of valves is between 3 and 20, preferably from 5 to 15.
- the invention also relates to a method for reducing the injection pressure of a polymeric aqueous solution as a function of the pressure of the well implementing the apparatus previously described in an enhanced oil recovery process. More specifically, the method according to the invention comprises the following steps:
- the device can be adjusted to the required pressure with ease, either manually or with the aid of a programmable controller giving the necessary injection value.
- the method makes it possible to obtain a degradation of the viscosity of less than 10%, preferably less than 5%.
- the pressure regulating apparatus according to the invention is preferably positioned downstream of the manifold (manifold).
- manifold manifold
- Figure 1 shows an example of apparatus with gate valves (1) and intermediate pressure gauges (2).
- Figure 2 shows an example of apparatus with needle valves (3) and intermediate pressure gauges (2).
- Example 1
- the pressure of the water pump is 160 bar.
- Well pressures are 130, 125, 120, 110 bar.
- each device can be adjusted to the required pressure with ease, either manually or with the aid of a programmable controller giving the necessary injection value.
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Lubricants (AREA)
- Pipeline Systems (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680075497.0A CN108431366A (zh) | 2015-12-23 | 2016-12-14 | 用于调节辅助油采收中的注入压力的装置 |
GB1809973.9A GB2561314B (en) | 2015-12-23 | 2016-12-14 | Apparatus for regulating injection pressure in assisted oil recovery |
BR112018012710-8A BR112018012710B1 (pt) | 2015-12-23 | 2016-12-14 | Aparelho de regulagem de pressão de injeção de uma solução aquosa polimérica, e, processo para reduzir pressão de injeção de uma solução aquosa polimérica |
RU2018122438A RU2742425C2 (ru) | 2015-12-23 | 2016-12-14 | Устройство для регулирования давления закачки при принудительном извлечении нефти |
NO20180885A NO20180885A1 (en) | 2015-12-23 | 2018-06-25 | Apparatus for regulating injection pressure in assisted oil recovery |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1563188A FR3046194B1 (fr) | 2015-12-23 | 2015-12-23 | Appareil de regulation de pression d'injection dans la recuperation assistee du petrole |
FR1563188 | 2015-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017109334A1 true WO2017109334A1 (fr) | 2017-06-29 |
Family
ID=55752448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2016/053415 WO2017109334A1 (fr) | 2015-12-23 | 2016-12-14 | Appareil de regulation de pression d'injection dans la recuperation assistee du petrole |
Country Status (9)
Country | Link |
---|---|
US (1) | US10352141B2 (fr) |
CN (1) | CN108431366A (fr) |
BR (1) | BR112018012710B1 (fr) |
CA (1) | CA2920032C (fr) |
FR (1) | FR3046194B1 (fr) |
GB (1) | GB2561314B (fr) |
NO (1) | NO20180885A1 (fr) |
RU (1) | RU2742425C2 (fr) |
WO (1) | WO2017109334A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3033642B1 (fr) * | 2015-03-11 | 2018-07-27 | S.P.C.M. Sa | Dispositif de controle en ligne de la qualite d'une solution de polymere hydrosoluble fabriquee a partir d'emulsion inverse ou de poudre dudit polymere |
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 |
FR3057011B1 (fr) | 2016-10-03 | 2018-11-02 | S.P.C.M. Sa | Appareil de regulation de pression d'injection pour la recuperation assistee du petrole par polymere |
BR102019004737A2 (pt) * | 2019-03-11 | 2020-10-06 | Fmc Technologies Do Brasil Ltda | Material compósito com camada difundida revestida |
CN110130861B (zh) * | 2019-06-17 | 2024-06-04 | 浙江金龙自控设备有限公司 | 一种低剪切单井混液配注装置 |
CN113006752B (zh) * | 2019-12-19 | 2023-08-22 | 中国石油天然气股份有限公司 | 注聚压力预测的方法和装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3477467A (en) * | 1967-10-05 | 1969-11-11 | Dow Chemical Co | Adjustable pressure reducing valve |
US4510993A (en) * | 1982-03-25 | 1985-04-16 | Marathon Oil Company | Flow control apparatus and method |
US4782847A (en) * | 1982-06-23 | 1988-11-08 | Marathon Oil Company | Flow control apparatus and method |
US20120292029A1 (en) * | 2011-05-20 | 2012-11-22 | Global Environmental Solutions, Inc | Linear pressure reducer for regulating injection pressure in an enhanced oil recovery system |
US20150041143A1 (en) * | 2014-10-01 | 2015-02-12 | S.P.C.M. Sa | Apparatus For Controlling Injection Pressure In Offshore Enhanced Oil Recovery |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4553594A (en) | 1982-03-25 | 1985-11-19 | Marathon Oil Company | Flow control method |
RU2012780C1 (ru) * | 1991-03-21 | 1994-05-15 | Институт проблем транспорта энергоресурсов | Способ дозирования реагента в скважину |
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 |
US8801859B2 (en) * | 2011-05-04 | 2014-08-12 | Renmatix, Inc. | Self-cleaning apparatus and method for thick slurry pressure control |
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 |
-
2015
- 2015-12-23 FR FR1563188A patent/FR3046194B1/fr active Active
-
2016
- 2016-02-05 CA CA2920032A patent/CA2920032C/fr active Active
- 2016-02-22 US US15/049,575 patent/US10352141B2/en active Active
- 2016-12-14 GB GB1809973.9A patent/GB2561314B/en active Active
- 2016-12-14 BR BR112018012710-8A patent/BR112018012710B1/pt active IP Right Grant
- 2016-12-14 WO PCT/FR2016/053415 patent/WO2017109334A1/fr active Application Filing
- 2016-12-14 CN CN201680075497.0A patent/CN108431366A/zh active Pending
- 2016-12-14 RU RU2018122438A patent/RU2742425C2/ru active
-
2018
- 2018-06-25 NO NO20180885A patent/NO20180885A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3477467A (en) * | 1967-10-05 | 1969-11-11 | Dow Chemical Co | Adjustable pressure reducing valve |
US4510993A (en) * | 1982-03-25 | 1985-04-16 | Marathon Oil Company | Flow control apparatus and method |
US4782847A (en) * | 1982-06-23 | 1988-11-08 | Marathon Oil Company | Flow control apparatus and method |
US20120292029A1 (en) * | 2011-05-20 | 2012-11-22 | Global Environmental Solutions, Inc | Linear pressure reducer for regulating injection pressure in an enhanced oil recovery system |
US20150041143A1 (en) * | 2014-10-01 | 2015-02-12 | S.P.C.M. Sa | Apparatus For Controlling Injection Pressure In Offshore Enhanced Oil Recovery |
Also Published As
Publication number | Publication date |
---|---|
FR3046194B1 (fr) | 2018-01-05 |
CA2920032A1 (fr) | 2016-04-18 |
BR112018012710B1 (pt) | 2022-06-14 |
RU2018122438A3 (fr) | 2020-03-13 |
GB201809973D0 (en) | 2018-08-01 |
RU2742425C2 (ru) | 2021-02-05 |
US10352141B2 (en) | 2019-07-16 |
GB2561314B (en) | 2021-05-12 |
RU2018122438A (ru) | 2019-12-20 |
NO20180885A1 (en) | 2018-06-25 |
GB2561314A (en) | 2018-10-10 |
CA2920032C (fr) | 2023-01-17 |
BR112018012710A2 (pt) | 2018-12-04 |
FR3046194A1 (fr) | 2017-06-30 |
CN108431366A (zh) | 2018-08-21 |
US20160168954A1 (en) | 2016-06-16 |
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