WO2017193500A1 - Tube filtre utilisé pour la récupération thermique de pétrole épaissi dans une complétion de puits horizontal - Google Patents

Tube filtre utilisé pour la récupération thermique de pétrole épaissi dans une complétion de puits horizontal Download PDF

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Publication number
WO2017193500A1
WO2017193500A1 PCT/CN2016/097422 CN2016097422W WO2017193500A1 WO 2017193500 A1 WO2017193500 A1 WO 2017193500A1 CN 2016097422 W CN2016097422 W CN 2016097422W WO 2017193500 A1 WO2017193500 A1 WO 2017193500A1
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WO
WIPO (PCT)
Prior art keywords
oil
base pipe
reinforcing ribs
wire
heavy oil
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.)
Ceased
Application number
PCT/CN2016/097422
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English (en)
Chinese (zh)
Inventor
贺昶明
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.)
Sichuan Xingzhi Zhihui Intellectual Property Operation Co Ltd
Original Assignee
Sichuan Xingzhi Zhihui Intellectual Property Operation Co Ltd
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 Sichuan Xingzhi Zhihui Intellectual Property Operation Co Ltd filed Critical Sichuan Xingzhi Zhihui Intellectual Property Operation Co Ltd
Priority to US15/540,263 priority Critical patent/US20190063196A1/en
Publication of WO2017193500A1 publication Critical patent/WO2017193500A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • E21B43/02—Subsoil filtering
    • E21B43/08—Screens or liners
    • 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
    • E21B43/02—Subsoil filtering
    • E21B43/08—Screens or liners
    • E21B43/082—Screens comprising porous materials, e.g. prepacked screens
    • 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
    • E21B43/02—Subsoil filtering
    • E21B43/08—Screens or liners
    • E21B43/086—Screens with preformed openings, e.g. slotted liners
    • 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
    • E21B43/02—Subsoil filtering
    • E21B43/08—Screens or liners
    • E21B43/088—Wire screens
    • 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 invention relates to the field of oil exploitation, in particular to the use of a screen tube for the heavy oil heat recovery of a horizontal completion.
  • Heavy oil also known as heavy oil, ie high-viscosity heavy crude oil, refers to heavy crude oil with high viscosity, high density, high content of colloid and asphaltene, ie high-viscosity heavy crude oil, generally containing less wax, so crude oil The viscosity is higher, the flow resistance is larger, and the mining is difficult.
  • Heavy oil is an important part of petroleum hydrocarbon energy, and its characteristics are as follows:
  • paraffin content in heavy oil is generally low, but there are also very few oil fields that are “double high oil fields”, that is, high asphaltene content and high paraffin content, characterized by high viscosity and high freezing point crude oil.
  • China's heavy oil reserves are abundant, and the annual output of heavy oil accounts for about 10% of the total crude oil production. According to China's second national resource evaluation data, the amount of heavy oil resources is about 8198.710t.
  • the viscosity of heavy oil is too high, it is difficult to flow, and it is difficult to produce by conventional oil recovery method. Because of its high viscosity, its mining method is different from that of ordinary crude oil, which is determined by the characteristics of heavy oil. The viscosity of heavy oil is too high, and the fluidity ratio of water is too high, and the use of conventional crude oil mining methods to produce heavy oil is minimal.
  • the main methods for improving heavy oil recovery in China's major oil fields are steam stimulation. And steam drive, but after steam stimulation and steam drive, the degree of recovery can reach 60%, nearly 40% of heavy oil is not produced after high rounds of throughput and steam drive.
  • the steam flooding in the heavy oil reservoir the temperature and pressure of the oil layer changed significantly, and the residual oil saturation between the pores and the residual oil distribution between the wells also changed.
  • the horizontal well is prone to casing damage, screen damage, packer damage or sand production, which seriously affects the development of horizontal wells.
  • the object of the present invention is to provide a screen for the horizontal completion of heavy oil heat, which is convenient for rapid mining of heavy oil and avoids clogging and damage of the screen.
  • the horizontal completion viscous oil heat adopts a screen tube, and includes a base pipe having a plurality of oil inlet holes on the outer wall, and a plurality of reinforcing ribs are arranged on the outer circumferential wall thereof along the axial direction of the base pipe, and the circular direction along the base pipe A plurality of the reinforcing ribs are wound around the winding wire, and the adjacent two reinforcing ribs are filled with foam iron in a triangular block shape.
  • the base pipe is placed in the horizontal section of the horizontal completion, and the heavy oil enters into the gap formed between the wire and the sleeve through the wire gap, and after passing through the filtering action of the foam iron, enters the base through the oil inlet hole.
  • the heavy oil enters into the gap formed between the wire and the sleeve through the wire gap, and after passing through the filtering action of the foam iron, enters the base through the oil inlet hole.
  • steam flooding technology is adopted in the mining of heavy oil, that is, a steam injection well and a production well are arranged above the oil reservoir, and steam is continuously passed through the steam injection well, so that the steam continuously heats the formation around the wellbore while the formation is in the formation.
  • the crude oil is also heated to form a vapor zone that gradually expands with the continuous injection of steam in the formation near the wellbore.
  • the steam can reduce the saturation in the steam zone to a lower degree and will flow the crude oil (ie the original).
  • the difference between oil saturation and residual oil saturation drives out the steam zone; at the same time, in the horizontal section of the horizontal completion, the steam moves strongly upwards, while driven by gravity, drives the heated crude oil down.
  • the horizontal completion section enters the inside of the base pipe, and the wire is a complete metal rod and is wound on a plurality of reinforcing ribs by intervals to form a primary filter unit for a large-diameter solid phase such as grit in the oil water, and the foam Iron forms a secondary filtration unit for the small-diameter solid phase to achieve the sand control purpose of the base pipe; and, when the production pressure changes due to the liquid pressure and the heat carried by the oil and water itself in the horizontal section of the horizontal completion, the phase
  • the secondary filtering interval formed between the adjacent two reinforcing ribs is compressed, but in the secondary filtering interval, a plurality of foamed irons in the form of triangular blocks are filled, and
  • a plurality of flow paths of irregular geometry are still formed in the interval for the oil-water mixture to pass, and the inner hole of the foam iron is slightly changed by the force and is not easily blocked.
  • Iron has a certain elasticity foam, the foam channel reset iron reply elastically deformed to maintain the flow capacity of the secondary filter section, to ensure the smooth extraction of heavy oil.
  • a plurality of reinforcing ribs are also included, and a plurality of the reinforcing ribs are axially and annularly distributed on the winding wire along the base pipe.
  • the wire In the horizontal section of the horizontal completion, the wire is not only subjected to the pressure of the oil layer, but the pressure changes with the change of the temperature of the oil layer, that is, during the sudden change of the pressure, the wire is extremely vulnerable, and the present invention passes A plurality of annularly distributed reinforcing ribs are arranged on the wire so that the primary filtering unit formed by the winding wire is stably supported to cope with the ever-changing production pressure in the horizontal section of the horizontal completion and to prolong its own service life.
  • a TiALN-WC/C layer is coated on the outer wall of the wire.
  • the TiALN-WC/C coating is provided on the outer wall of the wire, and the friction coefficient of the TiALN-WC/C coating is only 0.1.
  • the connector further includes a connector, and the two ends of the base pipe are respectively connected to the blind pipe through the connector.
  • the base pipe is connected to the blind pipe through the joint head to facilitate the pumping of the crude oil, and the conventional blind pipe and the base pipe are directly welded in the laying process, so as to facilitate direct damage to the wire wound Replacing the wire without replacing the base pipe and the wire as a whole, reducing the production cost of heavy oil mining.
  • the present invention has the following advantages and beneficial effects:
  • the present invention compresses the secondary filtration interval formed between two adjacent reinforcing ribs when the production pressure changes due to the liquid pressure and the heat carried by the oil and water itself in the horizontal completion section, but the secondary filtration interval formed between the adjacent two reinforcing ribs is compressed, but
  • the secondary filtration section is filled with a plurality of foamed irons in the form of triangular blocks. After the deformation of the foamed iron, a plurality of flow paths of irregular geometry are formed in the secondary filtration interval for the oil-water mixture to pass through. And the foamed iron inner hole is slightly changed by the force and is not easily blocked. At the same time, the foamed iron has a certain elasticity, and the pores in the foamed iron are reset when the elastic deformation is restored, so as to maintain the seepage ability in the secondary filtration interval, and ensure Smooth mining of heavy oil;
  • the secondary filtration interval formed between the adjacent two reinforcing ribs is compressed, but
  • the secondary filtration section is filled with a plurality of foamed irons in the form of triangular blocks. After the deformation of the foamed iron, a plurality of flow paths of irregular geometry are formed in the secondary filtration interval for the oil-water mixture to pass through. And the foamed iron inner hole is slightly changed by the force and is not easily blocked. At the same time, the foamed iron has a certain elasticity, and the pores in the foamed iron are reset when the elastic deformation is restored, so as to maintain the seepage ability in the secondary filtration interval, and ensure Smooth mining of heavy oil;
  • the present invention provides a TiALN-WC/C coating on the outer wall of the wire, and TiALN-WC/C
  • the coefficient of friction of the coating is only 0.1.
  • Figure 1 is a schematic structural view of the present invention
  • Figure 2 is a longitudinal cross-sectional view of the present invention.
  • the embodiment includes a base pipe 4 having a plurality of oil inlet holes 5 formed in the outer wall, and a plurality of reinforcing ribs 3 are disposed on the outer circumferential wall thereof along the axial direction of the base pipe 4, And the winding wire 2 is wound around the plurality of reinforcing ribs 3 along the circular direction of the base pipe 4, and the adjacent two reinforcing ribs 3 are filled with foam iron 8 in the shape of a triangular block.
  • the base pipe 4 is placed in the horizontal section of the horizontal completion, and the heavy oil enters into the gap formed between the wire 2 and the casing through the gap of the wire 2, and passes through the filtering after the foaming iron 8 is filtered.
  • the hole 5 enters the inside of the base pipe 4 to realize pumping of the oil;
  • steam flooding technology is used in the mining of heavy oil, that is, in the oil reservoir.
  • the steam chamber and the production well are set up, and the steam is continuously passed through the steam injection well, so that the steam continuously heats the formation around the wellbore, and the crude oil in the formation is also heated, and the formation in the formation near the wellbore gradually expands with the continuous injection of steam.
  • a steam zone that reduces the saturation of the steam zone to a lower degree and drives the flowable crude oil (ie, the difference between the original oil saturation and the residual oil saturation) out of the steam zone; at the same time,
  • the steam moves strongly upwards, and under gravity drive, the heated crude oil is driven downwards, and as the temperature of the crude oil increases, the oil and water in the horizontal section of the horizontal completion And the mixture of gravel and other materials will boil, causing the crude oil to be ablated (disturbance caused by the boiling of the mixture), and the mixture of oil, water and solid phase begins to enter the inside of the base pipe 4 from the horizontal completion level, and the wire 2 is a complete
  • the metal rod is wound on the plurality of reinforcing ribs 3 by intervals to form a primary filter unit for a large diameter solid phase such as grit in oil water, and the foamed iron 8 forms a solid phase for the small diameter.
  • the Filtering unit to achieve the sand control purpose of the base pipe 4; and, when the production pressure changes due to the liquid pressure and the heat carried by the oil and water itself in the horizontal section of the horizontal completion, the adjacent two reinforcing ribs 3 are formed.
  • the secondary filtration interval is compressed, but the secondary filtration interval is filled with a plurality of foamed irons 8 in the form of triangular blocks, and the foamed iron 8 is still formed in the secondary filtration interval after the force is deformed.
  • the flow path of the irregular geometry is passed by the oil-water mixture, and the inner hole of the foamed iron 8 is slightly changed by the force and is not easily blocked, and the foamed iron 8 has a certain elasticity, and the foamed iron 8 is restored when the elastic deformation is restored.
  • the pores are reset to maintain the seepage capacity in the secondary filtration zone to ensure the smooth mining of heavy oil.
  • the embodiment further includes a plurality of reinforcing ribs 1 , and a plurality of the reinforcing ribs 1 are axially and annularly distributed on the winding wire 2 along the base pipe 4 .
  • the wire 2 is not only Under the pressure of the oil layer, and the pressure changes with the change of the temperature of the oil layer, that is, the winding wire 2 is extremely vulnerable during the sudden change of the pressure, and the present invention provides a plurality of annular distributions on the winding wire 2.
  • the rib 1 is such that the primary filter unit formed by the wire 2 is stably supported to cope with the ever-changing production pressure in the horizontal section of the horizontal completion while prolonging its own service life.
  • the TiALN-WC/C coating is provided on the outer wall of the wound wire 2, and the friction coefficient of the TiALN-WC/C coating is only 0.1, which can greatly reduce both when the solid phase such as sand is continuously contacted with the wound wire 2.
  • the friction loss between the two, and with self-lubricating, greatly guarantees the service life of the wound wire 2 in the horizontal completion.
  • the base pipe 4 is connected to the blind pipe 7 through the joint head 6 to facilitate the pumping of the crude oil, and the conventional blind pipe 7 and the base pipe 4 are directly welded at the time of laying, so as to facilitate When the wire 2 is damaged, the wire 2 is directly replaced without replacing the base pipe 4 and the wire 2 as a whole, thereby reducing the production cost of heavy oil mining.

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  • 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)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Filtering Materials (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

La présente invention concerne un tube filtre utilisé pour la récupération thermique de pétrole épaissi dans une complétion de puits horizontal. Le tube filtre comprend un tube de base (4) dont la paroi externe comporte une pluralité de trous d'entrée de pétrole (5). Une pluralité de nervures de renforcement (3) sont disposées axialement sur la paroi circonférentielle externe du tube de base (4), et des fils d'enroulement (2) sont enroulés de manière circonférentielle sur la pluralité de nervures de renforcement (3) à certains intervalles le long du tube de base (4). La position entre deux nervures de renforcement adjacentes (3) est remplie de mousse de fer (8) sous forme de bloc triangulaire. Lorsque le tube filtre fonctionne, le tube de base (4) est placé sur un segment horizontal d'une complétion de puits horizontal. Le pétrole épaissi entre dans des espaces formés par les fils d'enroulement (2) et des tubes de revêtement à travers des espaces des fils d'enroulement (2) et entre à l'intérieur du tube de base (4) à travers les trous d'entrée de pétrole sous l'effet de filtration de la mousse de fer (8), de telle sorte que le pompage de pétrole liquide est obtenu.
PCT/CN2016/097422 2016-05-11 2016-09-28 Tube filtre utilisé pour la récupération thermique de pétrole épaissi dans une complétion de puits horizontal Ceased WO2017193500A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/540,263 US20190063196A1 (en) 2016-05-11 2016-09-28 Screen Pipe for Thick Oil Thermal Recovery in Horizontal Well Completion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610309045.6 2016-05-11
CN201610309045.6A CN105971568A (zh) 2016-05-11 2016-05-11 水平完井稠油热采用筛管

Publications (1)

Publication Number Publication Date
WO2017193500A1 true WO2017193500A1 (fr) 2017-11-16

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PCT/CN2016/097422 Ceased WO2017193500A1 (fr) 2016-05-11 2016-09-28 Tube filtre utilisé pour la récupération thermique de pétrole épaissi dans une complétion de puits horizontal

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US (1) US20190063196A1 (fr)
CN (1) CN105971568A (fr)
WO (1) WO2017193500A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863577A (zh) * 2016-05-11 2016-08-17 四川行之智汇知识产权运营有限公司 水平完井用的防砂筛管
RU171800U1 (ru) * 2017-03-24 2017-06-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет "(ЮЗГУ) Фильтр буровой скважины
CN116856887B (zh) * 2023-09-01 2023-11-03 东营市靖驰石油科技有限责任公司 一种石油开采用具有流速调节功能的疏油疏水筛管

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908256A (en) * 1972-10-31 1975-09-30 Smith Co Howard Method of making a deep well screen
CN85108287A (zh) * 1985-11-11 1987-05-20 永罔金株式会社 圆筒过滤筛及其制造方法
US6125932A (en) * 1998-11-04 2000-10-03 Halliburton Energy Services, Inc. Tortuous path sand control screen and method for use of same
CN101151397A (zh) * 2005-04-01 2008-03-26 奥尔利康贸易股份公司（特吕巴赫） 用于工具的多层硬质材料涂层
CN202249984U (zh) * 2011-09-16 2012-05-30 任丘市华北石油通运石油机械有限公司 泵外防砂筛管
CN203856455U (zh) * 2014-04-11 2014-10-01 中国海洋石油总公司 一种防砂筛管
CN105221118A (zh) * 2015-11-13 2016-01-06 中国石油大学(北京) 一种新型泡沫金属防砂管
CN205154113U (zh) * 2015-11-02 2016-04-13 中国石油化工集团公司 一种用于砂岩地层深井的防砂滤水管
CN105863577A (zh) * 2016-05-11 2016-08-17 四川行之智汇知识产权运营有限公司 水平完井用的防砂筛管

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2178783Y (zh) * 1993-12-23 1994-10-05 吕从容 带有金属过滤套的绕丝滤砂管
CN103939060B (zh) * 2014-04-17 2017-09-12 江阴市星宇塑胶有限公司 一种携砾滤水管制备方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908256A (en) * 1972-10-31 1975-09-30 Smith Co Howard Method of making a deep well screen
CN85108287A (zh) * 1985-11-11 1987-05-20 永罔金株式会社 圆筒过滤筛及其制造方法
US6125932A (en) * 1998-11-04 2000-10-03 Halliburton Energy Services, Inc. Tortuous path sand control screen and method for use of same
CN101151397A (zh) * 2005-04-01 2008-03-26 奥尔利康贸易股份公司（特吕巴赫） 用于工具的多层硬质材料涂层
CN202249984U (zh) * 2011-09-16 2012-05-30 任丘市华北石油通运石油机械有限公司 泵外防砂筛管
CN203856455U (zh) * 2014-04-11 2014-10-01 中国海洋石油总公司 一种防砂筛管
CN205154113U (zh) * 2015-11-02 2016-04-13 中国石油化工集团公司 一种用于砂岩地层深井的防砂滤水管
CN105221118A (zh) * 2015-11-13 2016-01-06 中国石油大学(北京) 一种新型泡沫金属防砂管
CN105863577A (zh) * 2016-05-11 2016-08-17 四川行之智汇知识产权运营有限公司 水平完井用的防砂筛管

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US20190063196A1 (en) 2019-02-28

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