WO2011069447A1 - Procédé et système de régulation du débit par segments dans un puits de pétrole/de gaz - Google Patents

Procédé et système de régulation du débit par segments dans un puits de pétrole/de gaz Download PDF

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Publication number
WO2011069447A1
WO2011069447A1 PCT/CN2010/079550 CN2010079550W WO2011069447A1 WO 2011069447 A1 WO2011069447 A1 WO 2011069447A1 CN 2010079550 W CN2010079550 W CN 2010079550W WO 2011069447 A1 WO2011069447 A1 WO 2011069447A1
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WIPO (PCT)
Prior art keywords
annulus
particles
oil
porous tube
density
Prior art date
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PCT/CN2010/079550
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English (en)
Chinese (zh)
Inventor
裴柏林
薛泳
章诵梅
Original Assignee
安东石油技术（集团）有限公司
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
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Application filed by 安东石油技术（集团）有限公司 filed Critical 安东石油技术（集团）有限公司
Priority to US13/514,721 priority Critical patent/US20120318505A1/en
Priority to US13/514,743 priority patent/US9664014B2/en
Publication of WO2011069447A1 publication Critical patent/WO2011069447A1/fr

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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
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/14—Obtaining from a multiple-zone well

Definitions

  • the invention relates to a flow control method in the field of oil and gas well exploitation, and in particular to a method for controlling flow control of a flow control filter tube column of an oil and gas well having a porous tube.
  • Oil and gas wells generally refer to generalized production wells in oil and gas field development, including oil wells, gas wells, injection wells, etc.
  • oil and gas well production includes the production and injection of fluids in the production process of oil and gas wells, such as oil production or injection of water and steam into the formation during production, chemical production for enhanced oil recovery, and some operations.
  • an acid solution or the like is injected into the formation.
  • a device for segmentally controlling the flow rate such as a flow control filter column, and a production section of the oil and gas well along the axial direction of the oil and gas well are usually divided into several
  • a flow cell device such as a packer is used to achieve zone separation for relatively independent production.
  • Figure 1 shows a schematic diagram of flow control using a flow control filter column and packer in a well.
  • 1 is the well wall of the oil and gas well
  • 2 is the control flow filter column
  • 3 is the annular space between the control flow filter column and the well wall
  • 4 is the seal of the suspension control flow filter column.
  • Comparator, 5 is the flow control packer.
  • FIG. 1 A non-oil-bearing formation, an oil-bearing formation, and a bottom water located below the oil-bearing formation are shown in FIG.
  • the various formations are schematically represented in horizontal lines in Figure 1, but those skilled in the art will appreciate that these formations may not be horizontal, depending on the geological formation of the area in which the well is located.
  • Oil and gas wells are shown to include vertical and horizontal sections. The horizontal section extends substantially along the oil-bearing formation to increase the contact area of the well wall with the oil-bearing formation. Two regions of different permeability, namely a high permeability region and a low permeability region, are shown by way of example in FIG.
  • the flow rate of the fluid in the high permeability region is greater than the flow rate of the fluid in the low permeability region.
  • the bottom water below the oil-bearing formation will first enter the oil and gas well through the high-permeability region due to the pressure difference between the pressure of the bottom water and the pressure in the oil and gas well, resulting in a decrease in the oil and gas output of the oil and gas well. Increased water. This is a problem that should be avoided in production.
  • segmented flow control production in many oil and gas wells is achieved as follows: In the production section of the oil and gas well, the flow control filter column 2 is driven down, through the flow control filter column 2 and the isolation The device 5 effectively blocks the annulus between the flow control filter column 2 and the production section in the oil and gas well, that is, blocks the axial turbulent flow of the fluid outside the flow control filter column, thereby enabling comparison Good segment flow control production.
  • the packer is placed between two areas of different permeability. Since the flow control filter can function as a flow control, the regions of different permeability can be separated by means of a packer to independently control or segmentally control the regions of different permeability. Therefore, the oil and gas well can achieve good output and can effectively control the amount of bottom water entering the oil and gas well.
  • the current well completion method is to enter the porous pipe in the well, and there is no cement or the like between the porous pipe and the well wall to seal the annulus between the porous pipe and the wall of the well.
  • the advantage of this type of completion is that the cost is low, and the disadvantage is that the annulus becomes a passage for fluid turbulence, and in later production, it is difficult to achieve segmented flow control.
  • the perforated tube is provided with several to several tens of holes having a pore diameter of about 10 mm per meter.
  • the porous pipe is mainly used to support the well wall in the oil and gas well to prevent the block in the well from entering the porous pipe to ensure that the flow passage of the entire oil gas well is not blocked by the block.
  • 11 is the well wall of the oil and gas well
  • 12 is a porous tube
  • 13 is an annulus between the porous tube and the well wall
  • 14 is a packer for hanging the porous tube
  • 15 is a flow control filter column
  • 16 is the flow control on the column of the flow control filter
  • the filter 17 is a packer placed in the annulus between the flow control filter column and the perforated tube
  • 18 is a packer for suspending the flow control filter column.
  • the direction of the arrows in the figure indicates the direction of fluid turbulence.
  • the fluid in the formation enters the annulus between the well wall and the porous tube through the well wall, forming axial turbulence in the annulus between the well wall and the porous tube, and then passing through the flow control filter.
  • the device enters the flow control filter column. This axial turbulence destroys the packing effect of the packer disposed between the flow control filter column and the porous tube, and does not achieve good water control.
  • the technical problem to be solved by the present invention is to provide a flow control filter tube column segment flow control method for an oil and gas well having a porous tube, which utilizes anti-turbulence to seal particles and simultaneously fills the porous tube and the flow control filter tube column.
  • the annulus between the annulus and the annulus between the wellbore and the perforated pipe achieves a good separation purpose, thereby achieving a good segmental flow control production.
  • an embodiment of the present invention provides a segmented flow control method for an oil and gas well, wherein the oil and gas well includes: a first annulus, the well wall of the oil and gas well is located at the oil and gas well Forming a space between the well and the porous tube extending axially along the oil and gas well; a second annulus, the porous tube and the flow control filter tube located in the porous tube and extending axially along the oil and gas well Forming a space between the columns; the method comprising: filling the first annulus and the second annulus with anti-turbulence packer particles to enable fluid to be filled with the anti-turbulence packer particles The first annulus and the second annulus are in a seepage manner;
  • filling the first annulus and the second annulus with anti-turbulence blocking particles is by injecting the carrying of the anti-turbulence blocking particles into the first annulus and the second annulus The granules are done.
  • the density of the carrier liquid is substantially equal to the density of the turbulence blocking particles.
  • the carrier liquid is water or an aqueous solution.
  • the turbulence preventing packer particles are high molecular polymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.8 to 1.4 g/cm.
  • the turbulence prevention packing particles have an average particle diameter of 0.1-0.5 mm and a density of Polymer particles of 0.94-1.06 g/cm.
  • the turbulence preventing packer particles are high density polyethylene granules having an average particle diameter of 0.1 to 0.5 mm and a density of 0.90 to 0.98 g/cm.
  • the turbulence preventing packer particles are styrene and divinylbenzene crosslinked copolymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.96 to 1.06 g/cm.
  • the turbulence preventing packer particles are polypropylene and polyvinyl chloride polymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.8 to 1.2 g/cm.
  • the first annulus and the second annulus are filled with anti-turbulence blocking particles until the first annulus and the second annulus are substantially filled, and the first annulus is closed And the second annulus is empty.
  • the oil and gas well is a horizontal well or an inclined well.
  • the difference between the density of the carrier liquid and the density of the turbulence prevention packer particles is in the range of 0.4 g/cm or ⁇ 0.2 g/cm.
  • an oil and gas well sectional flow control system including: a first annulus, the well wall of the oil and gas well is located in the oil and gas well and along the axial direction of the oil and gas well Forming a space between the extended porous tubes; a second annulus formed by the porous tube and a space between the flow control filter tubes located within the porous tube and extending axially along the oil and gas well; Turbulent encapsulating particles filled in the first annulus and the second annulus such that fluid can be filled in the first annulus and the second annulus filled with the anti-turbulent containment particles The air flows in a seepage manner.
  • the first annulus and the second annulus are filled by injecting a carrier fluid carrying anti-turbulence flow-blocking particles into the first annulus and the second annulus.
  • the density of the granules is substantially equal to the density of the turbulent barrier particles.
  • the carrier liquid is water or an aqueous solution.
  • the turbulent flow-proof sealing particles have an average particle diameter of 0.05-1.0 mm and a density of
  • the turbulence prevention packing particles are high molecular polymer particles having an average particle diameter of 0.1 to 0.5 mm and a density of 0.94 to 1.06 g/cm.
  • the turbulence preventing packer particles are high density polyethylene granules having an average particle diameter of 0.1 to 0.5 mm and a density of 0.90 to 0.98 g/cm.
  • the turbulence preventing packer particles are styrene and divinylbenzene crosslinked copolymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.96 to 1.06 g/cm.
  • the turbulence preventing packer particles are polypropylene and polyvinyl chloride polymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.8 to 1.2 g/cm.
  • the turbulence prevention packer particles are substantially filled in the first annulus and the second annulus, and the first annulus and the second annulus are closed.
  • the oil and gas well is a horizontal well or an inclined well.
  • the difference between the density of the carrier liquid and the density of the turbulence prevention packer particles is in the range of 0.4 g/cm or ⁇ 0.2 g/cm.
  • a flow control filter tube column segment flow control method for a gas well having a porous tube is provided, and the oil and gas well that has been inserted into the porous tube includes a well wall and a downhole oil and gas well a porous tube, the porous tube is fixedly connected between the end of the wellhead and the well wall, and an annular space is formed between the porous tube and the well wall;
  • the flow control filter column segment control flow includes the following steps:
  • a flow control filter column is inserted into the porous tube through the lower inlet pipe, and the flow control filter column is provided with a flow control filter, and the flow control filter a section of the pipe string near the wellhead is fixedly connected with the well wall, and an annular space is formed between the flow control filter column and the porous pipe;
  • the particle density of the present invention is the true density of the particles, not the bulk density of the particles.
  • the present invention utilizes water or an aqueous solution having a density of about 1 g/cm 3 as a carrier liquid to carry the turbulent flow-blocking particles.
  • the present invention selects the turbulence-blocking particles having a density almost equal to that of the carrier liquid, so that Carrying the granules can easily carry the anti-turbulence sealing particles to fill the annulus between the control flow tube column and the porous tube and the annulus between the porous tube and the well wall, and prevent turbulence and isolation.
  • the particles are simultaneously accumulated in the annulus between the flow control filter column and the porous tube and in the annulus between the porous tube and the well wall, filled and filled with annulus and porous between the control flow tube column and the porous tube.
  • the completion structure of the anti-turbulence sealing particles is filled in the annulus between the annulus and the porous tube and the well wall.
  • the anti-turbulence sealing particles are tightly packed with almost no gutters.
  • the oil and gas well can be effectively separated into a plurality of relatively independent areas for oil and gas well production, achieving flow control purposes, facilitating flow segmentation management, and bringing good effects to oil and gas well production, such as Improve the production efficiency of oil and gas wells.
  • the flow of formation fluid in a medium in which turbulent containment particles are deposited is a seepage.
  • the magnitude of seepage resistance is proportional to the seepage path and inversely proportional to the seepage area.
  • Due to the thin thickness, small section and large axial length of the turbulent-blocking particles, the flow resistance of the formation fluid in the turbulent flow-blocking particles along the axial direction of the oil and gas well is 4 ⁇ ; Radial flow, large seepage area, large distance, and small flow resistance.
  • the flow resistance in the accumulation body along the axial direction of the oil and gas well is several hundred to several tens of times greater than the flow resistance of several centimeters along the radial flow of the oil and gas well, and the axial flow along the oil and gas well in the accumulation body
  • the large difference in flow resistance along the radial flow of the oil and gas well results in the flow in the axial direction of the oil and gas well in the accumulation body is much smaller than the flow along the radial flow of the oil and gas well under the same pressure difference.
  • the difference in axial and radial flow resistance of the turbulence-blocking particle accumulation body can ensure the smooth flow of the formation fluid along the radial flow of the oil and gas well in the accumulation body, and limit the oil and gas along the formation fluid.
  • the axial flow of the well acts as a packer.
  • the invention provides a convenient and practical method for controlling the flow control filter column of the oil and gas well having the porous tube, which can simultaneously realize the annulus and the porous tube between the control flow tube column and the porous tube.
  • the separation of the annulus between the well wall and the well wall has a good sealing effect, and can realize the segmented flow control production to meet the requirements of actual oilfield production such as oil recovery.
  • Figure 1 is a schematic diagram of prior art flow control using a flow control filter column and packer in an eye well.
  • FIG. 2 is a hypothetical state in which the flow control using the flow control filter column and the packer shown in FIG. 1 is directly applied to the imaginary state of the oil and gas well in which the porous tube is present, wherein the flow control filter tube is driven into the porous tube.
  • the column also seals the annulus between the flow control filter column and the porous tube without isolating the annulus between the porous tube and the well wall.
  • FIG. 3 is a schematic diagram of a flow control method for a flow control filter column of a well having a porous tube according to an embodiment of the present invention.
  • FIG. 4 is a completion structure in which an anti-turbulent flow-blocking particle is simultaneously filled in an annulus between a flow control filter string and a porous tube and in an annulus between a porous tube and a well wall according to an embodiment of the present invention.
  • the present invention provides a controlled flow control method for a gas flow well of a gas and oil well having a porous tube.
  • the oil and gas well that has been inserted into the porous tube includes a well wall of the oil and gas well and a porous tube that is inserted into the oil and gas well.
  • the porous pipe is fixedly connected between one end of the wellhead and the well wall, and an annular space is formed between the porous pipe and the well wall;
  • the flow control filter column segment control flow includes the following steps:
  • a flow control filter column is inserted into the porous tube through the lower inlet pipe, and the flow control filter column is provided with a flow control filter, and the flow control filter a section of the pipe string near the wellhead is fixedly connected with the well wall, and an annular space is formed between the flow control filter column and the porous pipe;
  • the carrier liquid carrying the turbulent flow blocking particles is water or an aqueous solution.
  • the turbulence prevention packing particles are high molecular polymer particles having a particle diameter of 0.05-0.7 mm and a density of 0.8-1.2 g/cm.
  • the turbulence prevention packing particles are high molecular polymer particles having an average particle diameter of 0.05-1.0 mm and a density of 0.8-1.4 g/cm.
  • the turbulent flow blocking particles are high molecular polymer particles having an average particle diameter of 0.1-0.5 mm and a density of 0.94-1.06 g/cm.
  • the turbulent flow-proof sealing particles have an average particle diameter of 0.1-0.5 mm and a density of
  • High density polyethylene pellets from 0.90 to 0.98 g/cm.
  • the turbulent flow blocking particles are styrene and divinylbenzene crosslinked copolymer particles having an average particle diameter of 0.05-1.0 mm and a density of 0.96-1.06 g/cm.
  • the turbulent barrier particles are polypropylene and polyvinyl chloride polymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.8 to 1.2 g/cm.
  • Embodiments of the present invention provide a flow control filter tube column segment flow control method for an oil and gas well having a porous tube.
  • the oil and gas well structure that has been run into the perforated tube includes a wellbore wall 101 and a porous tube 102 that is lowered into the well.
  • the porous tube 102 is provided with a plurality of small holes per meter. The number of small holes is, for example, 30.
  • the aperture of the aperture is configured to block the block from entering the porous tube 102, such as 10 mm.
  • a packer 104 that suspends the porous tube 102 is disposed between the upper portion of the porous tube 102 and the well wall 101.
  • An annulus 103 is formed between the porous tube 102 and the well wall 101.
  • a flow control filter column 105 is lowered into the perforated tube 102 by a lowering column (not shown).
  • a flow control filter 106 is disposed on the flow control filter column 105.
  • a packer 108 for suspending the flow control filter column 105 is disposed between the upper portion of the flow control filter column 105 and the well wall 101.
  • An annulus 103 is formed between the flow control filter column 105 and the porous tube 102.
  • the carrier liquid 110 carrying the turbulent flow blocking particles is injected into the annulus 103 between the flow control filter column 105 and the porous tube 102.
  • the granulating liquid 110 carrying the turbulent flow blocking particles enters the annulus 111 between the porous tube 102 and the well wall 101 through small holes in the porous tube 102.
  • the turbulent-proof sealing particles simultaneously accumulate, fill and eventually fill the flow control filter in the annulus 103 between the flow control filter column 105 and the porous tube 102 and the annulus 111 between the porous tube 102 and the well wall 101.
  • a portion of the granulated liquid permeates through the flow control filter 106 into the flow control filter column 105 and returns to the surface, and a portion of the granulated liquid penetrates into the formation through the well wall 101.
  • the direction of the arrow in Figure 3 is the flow direction of the carrier.
  • the turbulence-proof sealing particles are high-density polyethylene having an average particle diameter of 0.1-0.5 mm and a density of 0.90-0.98 g/cm 3 . Ole particles.
  • the carrier liquid is water.
  • a packer 108 for suspending the flow control filter column 105 to simultaneously close the annulus 103 and the porous tube between the flow control filter column 105 and the porous tube 102 filled with the anti-turbulence sealing particles
  • 107 is a turbulent flow-blocking particle filled in the annulus between the flow control filter column and the porous tube
  • 108 is a packer for hanging the flow control filter column
  • 109 is filled in the porous tube and well Anti-turbulence in the annulus between the walls seals the particles.
  • the turbulence preventing packer particles are polypropylene and polyvinyl chloride polymer particles having an average particle diameter of 0.1 to 0.5 mm and a density of 0.97 g/cm 3 .
  • the turbulence preventing packer particles may be styrene and divinylbenzene crosslinked copolymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.96 to 1.06 g/cm 3 .
  • the turbulent flow blocking particles are carried by water.
  • the density of water is 1 g/cm 3 .
  • the turbulent barrier particles and water selected by the present invention are nearly equal in density. Therefore, the water can be easily carried with the anti-turbulence packing particles filled into the annulus 103 between the flow control filter column 105 and the porous tube 102 and the annulus 111 between the porous tube 102 and the well wall 101.
  • the turbulent-proof sealing particles are simultaneously stacked, filled and filled with the flow control filter tube in the annulus 103 between the flow control filter column 105 and the porous tube 102 and the annulus 111 between the porous tube 102 and the well wall 101.
  • the flow of formation fluid in a medium in which turbulent containment particles are deposited is a percolation.
  • the magnitude of seepage resistance is proportional to the seepage path and inversely proportional to the seepage area. Since the accumulation body of the turbulent flow-blocking particles is a medium having a small thickness, a small cross section, and a large axial length, the flow resistance of the formation fluid in the turbulent flow-blocking particle accumulation body along the axial direction of the oil and gas well is 4 ⁇ .
  • the seepage area is large and the distance is short, so the flow resistance is small.
  • the flow resistance of several meters to several tens of meters along the axial direction of the oil and gas well is several hundred times or even thousands of times larger than the flow resistance of several centimeters along the radial flow of the oil and gas well.
  • the large difference in flow resistance along the axial flow of the oil and gas well and the radial flow along the oil and gas well in the accumulation body leads to the flow in the axial direction of the oil and gas well in the accumulation body is much smaller than that along the radial direction of the oil and gas well under the same pressure difference. Flowing traffic.
  • the use of the turbulence prevention of the difference in axial and radial flow resistance of the particle stacking body not only ensures the smooth flow of the formation fluid along the radial flow of the oil and gas well in the accumulation body, but also limits the formation fluid along the axial direction of the oil and gas well.
  • the flow acts as a packer.
  • the invention provides a convenient and practical sectional flow control method used in oil and gas wells including a porous tube, which can simultaneously seal the annulus and the porous tube and the borehole wall between the control flow filter column and the porous tube The ring between the air. This good packing effect can achieve segmented flow control production, improve oil recovery and meet actual oilfield production requirements.
  • the production section to which the present invention relates is a generalized production section. There may be sections that are not flowable in the length of the production section, such as compartments, interlayers, and sections that are not perforated after casing cementing.
  • the flow control filter column used in the present invention includes filter segments and blind segments interposed therebetween.
  • a blind segment is a tube with no holes in the wall.
  • the anti-turbulence blocking particle ring outside the blind section acts as the main anti-axial turbulence.
  • the blind segment is mainly derived from the following two aspects.
  • each filter itself includes a filter segment and a blind segment, wherein the blind segment is disposed at both ends of the filter with a wire buckle.
  • Two filters can be connected using a thread on the blind section of the two filters. When the well is screwed to the filter, the blind section is where the caliper is.
  • an additional blind segment can be connected between the two filters.
  • the flow control filter tube string is formed by connecting a plurality of flow control filters in series.
  • the turbulence preventing packer particles of the present invention are preferably circular.
  • a flow control filter tube column segment flow control method for an oil and gas well having a porous tube has been introduced into the porous tube oil and gas well including the oil and gas well wall and the porous tube that is inserted into the oil and gas well.
  • the porous pipe is fixedly connected between one end of the wellhead and the well wall, and an annular space is formed between the porous pipe and the well wall;
  • the utility model is characterized in that: the flow control filter column segment control flow comprises the following steps:
  • a flow control filter column is inserted into the porous tube through the lower inlet pipe, and the flow control filter column is provided with a flow control filter, and the flow control filter a fixed connection between the tubular string and the well wall, and an annular space is formed between the flow control filter column and the porous tube;
  • the carrier liquid carrying the turbulent flow blocking particles is water or an aqueous solution.
  • the anti-turbulence sealing particles have an average particle diameter of 0.05-1.0 mm and a density of 0.8-1.4. High molecular weight particles of g/cm.
  • the turbulence prevention packing particles are high molecular polymer particles having an average particle diameter of 0.1 to 0.5 mm and a density of 0.94 to 1.06 g/cm.
  • the turbulence prevention packing particles are high density polyethylene particles having an average particle diameter of 0.1 to 0.5 mm and a density of 0.90 to 0.98 g/cm.
  • the turbulence preventing packer particles are styrene and divinylbenzene crosslinked copolymer particles having an average particle diameter of 0.05 to 1.0 mm and a density of 0.96 to 1.06 g/cm.
  • the turbulent-blocking granules are polypropylene and polyvinyl chloride polymer particles having an average particle diameter of 0. 05-1. 0 mm and a density of 0.8-1. 2 g/cm 3 .
  • the description is made, but it should be understood that the invention is not limited to the disclosed embodiments or constructions. On the contrary, the invention is intended to cover various modifications and equivalents. In addition, other combinations and configurations that include more, less, or only one element are also within the scope of the invention.

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Abstract

Cette invention concerne un procédé et un système de régulation du débit par segments dans un puits de pétrole/de gaz. Le puits de pétrole/de gaz comprend un premier espace annulaire (111) et un second espace annulaire (103). Le premier espace annulaire (111) est formé par l'espace situé entre la paroi du trou de forage (101) du puits de pétrole/de gaz et un tube perforé (102) qui est disposé dans le puits de pétrole/de gaz et s'étend dans le sens axial du puits de gaz/de pétrole. Le second espace annulaire (103) qui est formé par l'espace situé entre le tube perforé (102) et une colonne filtrante de régulation du débit (105) disposée dans le tube perforé (102) et il s'étend dans le sens axial du puits de pétrole/de gaz. Le procédé comprend l'étape consistant à remplir de particules isolantes empêchant le cheminement préférentiel (109) le premier espace annulaire (111) et le second espace annulaire (103) afin de permettre au fluide de s'écouler dans le premier espace annulaire (111) et dans le second espace annulaire (103) remplis de particules isolantes empêchant le cheminement préférentiel (109) sous forme de suintement.
PCT/CN2010/079550 2009-12-11 2010-12-08 Procédé et système de régulation du débit par segments dans un puits de pétrole/de gaz WO2011069447A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/514,721 US20120318505A1 (en) 2009-12-11 2010-12-08 Method and system for segmental flow control in oil-gas well
US13/514,743 US9664014B2 (en) 2009-12-11 2010-12-08 Method and system for segmental flow control in oil-gas well

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CN200910250793.1 2009-12-11
CN200910250793A CN101705810B (zh) 2009-12-11 2009-12-11 一种存在多孔管的油气井的控流过滤器管柱分段控流方法

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Cited By (2)

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US9664014B2 (en) 2009-12-11 2017-05-30 Anton Bailin Oilfield Technologies (Beijing) Co., Ltd. Method and system for segmental flow control in oil-gas well
CN110593862A (zh) * 2019-09-02 2019-12-20 中国石油大学(北京) 优势渗流通道确定方法、装置和计算机设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN101705802B (zh) * 2009-12-11 2013-05-15 安东石油技术（集团）有限公司 一种油气井生产段防窜流封隔颗粒
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