EP2607616A1 - Herstellungssystem zur Herstellung von Kohlenwasserstoffen aus einem Bohrloch - Google Patents

Herstellungssystem zur Herstellung von Kohlenwasserstoffen aus einem Bohrloch Download PDF

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Publication number
EP2607616A1
EP2607616A1 EP11195580.3A EP11195580A EP2607616A1 EP 2607616 A1 EP2607616 A1 EP 2607616A1 EP 11195580 A EP11195580 A EP 11195580A EP 2607616 A1 EP2607616 A1 EP 2607616A1
Authority
EP
European Patent Office
Prior art keywords
inflow
production
openings
well
fluid
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Withdrawn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
EP11195580.3A
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English (en)
French (fr)
Inventor
Jørgen HALLUNDBAEK
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.)
Welltec AS
Original Assignee
Welltec AS
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 Welltec AS filed Critical Welltec AS
Priority to EP11195580.3A priority Critical patent/EP2607616A1/de
Priority to MX2014006957A priority patent/MX342054B/es
Priority to US14/363,880 priority patent/US20140352956A1/en
Priority to BR112014013982A priority patent/BR112014013982A2/pt
Priority to DK12806485.4T priority patent/DK2795052T3/en
Priority to AU2012356949A priority patent/AU2012356949B2/en
Priority to EP12806485.4A priority patent/EP2795052B1/de
Priority to CN201280060532.3A priority patent/CN104254664A/zh
Priority to RU2014127616A priority patent/RU2014127616A/ru
Priority to PCT/EP2012/076541 priority patent/WO2013092945A1/en
Priority to CA2858643A priority patent/CA2858643A1/en
Publication of EP2607616A1 publication Critical patent/EP2607616A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/124—Units with longitudinally-spaced plugs for isolating the intermediate space
    • E21B33/1243—Units with longitudinally-spaced plugs for isolating the intermediate space with inflatable sleeves
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

  • the present invention relates to a production system for producing hydrocarbons from a well. Furthermore, the present invention relates to a well completion comprising the production system according to the invention as well as to a production method for the production of hydrocarbons from a well.
  • the pump may be used to boost the pressure or perhaps restart a dead well.
  • the pump sets a plug or seal in the well and pumps well fluid from one side of the plug to the other to overcome the static pressure of the well fluid above the pump.
  • the inflow area may be constituted by a plurality of inflow openings, each having an opening area.
  • Said inflow openings may be arranged in rows along the inflow device.
  • the inflow device may comprise a first outer sleeve and a second inner sleeve movable in relation to each other, the first outer sleeve having outer inflow openings arranged in rows with a different number of openings in each row, and the second inner sleeve having inner openings, the inner openings being arranged with a distance between them in relation to the outer openings, whereby the inner openings of the second inner sleeve can be moved and aligned in relation to the outer openings of the first sleeve so that the inflow area of the inflow device is adjustable.
  • the inner openings of the inner sleeve may be arranged with predetermined distances between them so that each row of outer inflow openings can optionally be opened or closed by moving the inner sleeve.
  • the inner sleeve may be rotatably movable in relation to the outer sleeve.
  • the inner sleeve may be slidably movable in relation to the outer sleeve.
  • the monitoring unit may be adapted to measure a water content of the production outcome so that the inflow devices may be adjusted, whereby an optimum between production outcome and water content is obtained.
  • the production system as described above may further comprise a monitoring unit adapted to measure a production outcome of the well.
  • the monitoring unit may be adapted to measure a volume rate of the production outcome and/or a pressure at the top of the well so that the inflow devices may be adjusted in view of volume rate and/or pressure measured at the top of the well.
  • the inflow devices may be manually adjustable.
  • the inflow devices may be remotely adjustable.
  • the inflow device may be operated by a magnetic source.
  • the reservoir zones may be separated by annular barriers.
  • the system may comprise a plurality of reservoir zones.
  • a plurality of inflow devices may be arranged in the system and/or in each reservoir zone.
  • Said plurality of inflow devices may be arranged in the system and/or in each reservoir zone.
  • the first fluid may be oil and the second fluid may be water or gas.
  • a valve may be arranged in one or more of the openings.
  • a screen may be arranged outside the openings.
  • the present invention also relates to a well completion comprising the production system as described above.
  • the present invention relates to a production method for the production of hydrocarbons from a well, comprising the steps of
  • the monitoring step may comprise one or more of the steps of:
  • the adjusting step may comprise adjustment of at least one of the inflow devices on the basis of the measured pressure, volume rate and/or water content at the top of the well.
  • the step of adjusting may be performed manually, for instance by a key tool connected with a downhole tractor.
  • the step of adjusting may be performed remotely from the top of the well.
  • the step of adjusting may be performed wirelessly.
  • Fig. 1 shows a production system 1 for producing hydrocarbons from a well 2.
  • the production system 1 comprises a production casing 3 extending along the well 2.
  • the production system 1 furthermore comprises a monitoring unit 4 adapted to measure a production outcome of the well 2.
  • the monitoring unit is positioned at the top of the well 2, i.e. at the wellhead 5.
  • the monitoring unit may comprise a flow measuring device, a pressure sensor, a water cut measuring device, or a combination thereof.
  • the production system 1 also comprises a first reservoir zone 6 comprising at least a first fluid 10, extending along and outside the production casing 3, and a second reservoir zone 7 comprising at least a second fluid 11, extending along and outside the production casing. Furthermore, a first inflow device 8 is arranged in the first reservoir zone 6 having a first inflow area and being adapted to let the first fluid 10 into the production casing 3 at a first volume rate V1, and a second inflow device 9 is arranged in the second reservoir zone 7 having a second inflow area and being adapted to let the second fluid 11 into the production casing 3 at a second volume rate V2.
  • the first and second inflow areas of the inflow devices 8, 9 are adjustable, whereby the first and second inflow devices 8, 9 can be adjusted in view of the production outcome so that the first volume rate V1 is equal to or higher than the second volume rate V2.
  • the production of hydrocarbons from the well 2 may be optimised by adjusting the inflow volume rates of the inflow devices 8, 9 to the instantaneous requirement in view of the either the volume rate of the production outcome, the pressure at the top of the well 2, the water content of the production outcome, or a combination thereof.
  • the first and second reservoir zones 6, 7 are adjacent zones, and they are separated from each other by expandable annular barriers 12.
  • the first fluid 10 present in the first reservoir zone 6 is essentially oil and the second fluid 11 present in the second reservoir zone 7 is essentially water.
  • the first and second reservoir zones 6, 7 each has a reservoir pressure of 300 bar.
  • the first inflow device 8 of the first reservoir zone 6 is adjusted to let in the first fluid 10, i.e. oil, so that a pressure of 200 bar is present in the production casing 3. Thereby, a pressure difference of 100 bar exists between the reservoir and the casing.
  • the second inflow device 9 of the second reservoir zone 7 is adjusted to let in the second fluid 11, i.e. water, so that a pressure of 250 bar is present in the production casing 3 (the 200 bar from the first zone and 50 bar from the second zone). Thereby a pressure difference of 50 bar exists between the reservoir at the second zone and the production casing.
  • a higher water content is present in the production outcome.
  • a higher volume rate of the production outcome as well as enhanced lift to the well is achieved.
  • the energy present in the reservoir is utilised to lift the well instead of using secondary means, such as an artificial lift by means of gas, or adding chemicals for providing lift.
  • FIG. 2 another embodiment of the production system 1 is shown.
  • the production system 1 has five reservoir zones 6, 7, 13, 14, 15, mutually separated by expandable annular barriers 12.
  • the first and second reservoir zones 6, 7 are separated by another reservoir zone 14 having a third fluid 10a with a lower oil content than the first fluid 11.
  • another reservoir zone 13 is present having a fourth fluid 10b which also has a lower oil content than the first fluid 11, and above the second zone 7, a fifth zone 15 is present having a fourth fluid 11a with a lower water content than the second fluid 10.
  • one or more of the additional inflow devices 16, 17, 18 arranged in the other reservoir zones 13, 14, 15, respectively may also be adjusted to let in fluid at certain volume rates to the production rate for enhancing the lift in the well as well as for providing an optimum production outcome.
  • the production system 1 may function in the same manner as described in relation to Fig. 1 .
  • Fig. 3 shows a diagram disclosing different relationships between volume rate of the production outcome and pressure.
  • the diagram has three different curves, 19, 20, 21, each representing varying volume rates at a certain pressure.
  • the first inflow device 8 is positioned to a high volume rate at a pressure lower than that of the second inflow device 9, and the fluid therethrough would therefore follow curve 20.
  • the second device 9 is positioned at a lower volume rate but at a higher pressure, and the fluid therethrough will therefore be positioned on curve 21 but not at such a high volume rate as the fluid through the first inflow device 8. From the diagram, it is deducible that a high pressure and a high volume rate, cf. curve 21, provide a high production outcome.
  • Fig. 4 shows a cross-sectional view of the inflow device 8. This view is taken along an axial extension of the inflow device 8 being concentric with the axial extension of the casing.
  • the inflow device 8 comprises an outer sleeve 22 and an inner sleeve 23, and the inner sleeve 23 may be movable in relation to the outer sleeve 22.
  • the cross-sectional view is taken along a row of inflow openings 24 arranged in the extension of the inflow device 8. In this row there are 7 inflow openings 24.
  • the inflow area of the inflow device is inter alia constituted by these inflow openings 24, each having an opening area.
  • the inflow device 8 has several rows of inflow openings, it is the total opening area of all rows which provide the available total inflow area of the inflow device.
  • the inflow openings 24 are in fluid connection with the inner opening 25 of the second inner sleeve 23 so that fluid from the reservoir may flow in through the inflow device 8.
  • the inner opening 25 is shown as a through-going groove, which extends in the axial extension of the inflow device 8.
  • the inner opening 25 has a larger extension than the inflow openings 24 so as to obtain that the inner opening 25, when being aligned with the inflow openings, does not hinder the flow of fluid.
  • a screen 26 or filter is arranged on the outside of the inflow openings.
  • FIG. 5 Another embodiment of the inflow device 8 is shown in Fig. 5 in a cross-sectional view. Again this view is taken along an axial extension of the inflow device 8.
  • the inflow device 8 also comprises an outer sleeve 22 and an inner sleeve 23 being movable in relation to each other.
  • the inflow openings 24 are in fluid connection with the inner openings 25 of the second inner sleeve 23 so that fluid from the reservoir may flow in through the inflow device 8.
  • the inner openings 25 are shown as 7 through-going holes which may be aligned with inflow openings 24.
  • the inner openings 25 have a larger extension than each of the inflow openings 24 so they do not hinder the flow of fluid.
  • a screen 26 or filter is arranged on the outside of the inflow openings 24.
  • FIG. 6 An additional embodiment of the inflow device 8 is shown in Fig. 6 in a cross-sectional view, taken along a row of inflow openings 24 arranged in the extension of the inflow device 8.
  • the inflow openings 24 terminate in an axially extending channel 27 arranged in the wall of the outer sleeve 22.
  • the axial channel 27 abuts an axial channel 55 arranged in the inner sleeve 23, whereby the inflow openings 24 is in fluid communication with the inner opening 25 via the two axial channels 27, 55, respectively.
  • a screen 26 or filter is arranged on the outside of the inflow openings 24.
  • the embodiment of the inflow device 8 shown in Fig. 6 will be described further in connection with Fig. 9 below.
  • the inflow device 8 of Fig. 4 is shown in perspective in Fig. 7 .
  • the inflow device 8 comprises an outer sleeve 22 and an inner sleeve 23, wherein the inner sleeve 23 is movable in relation to the outer sleeve 22 by rotation.
  • four rows of inflow openings 24, 28, 29, 30 are arranged adjacent to each other and along the axial extension of the inflow device 8.
  • the first row has seven inflow openings 24 shown in the cross-sectional view in Fig. 4 .
  • the second row has six inflow openings 28.
  • the third row has four inflow openings 29 and the fourth row has two inflow openings 30.
  • the inflow openings 24, 28, 29, 30 of the four rows constitute the inflow area of the inflow device 8.
  • the inflow device may have a different number of rows as well as a different number of inflow openings in each row.
  • the embodiment shown in Fig. 7 is one configuration of the inflow device 8.
  • the inner sleeve 23 is shown with four inner openings 25, all aligned with each row of inflow openings arranged in the outer sleeve 22.
  • the inflow device 8 may have a different number of inner openings, as well as different positions along the periphery of the inner sleeve.
  • Figs. 8a to 8o a sequence of different adjustments to a different position of the inflow device 8 in relation to the desired inflow volume rate of the inflow device 8 is shown.
  • the inflow device 8 comprises an inner sleeve 23 or tubular which is rotatable within the outer sleeve 22 or tubular.
  • the inflow device 8 is shown in a cross-sectional view taken in a radial extension of the inflow device 8.
  • the outer sleeve 22 has four rows of inflow openings, 24, 28, 29, 30. In the first row 24 there are seven inflow openings as shown in Fig. 7 , and in the second row 28 there are six openings, in the third row 29 there are four openings, and in the fourth row there are two openings.
  • the inner sleeve 23 has ten inner openings 25, 31, 32, 33, 34, 35, 36, 37, 38, 39 in the form of grooves, as shown in Fig. 4 , arranged along the periphery of the inner sleeve 23.
  • the inner openings 25, 31, 32, 33, 34, 35, 36, 37, 38, 39 are arranged with predetermined distances between them so that each row of the outer inflow openings 24 can optionally be opened or closed by rotating the inner sleeve 23, which will be further described below.
  • Fig. 8b the inner sleeve 23 is rotated slightly to the right, whereby the inner opening 25 is aligned with the first row of inflow openings 24, the inner opening 31 is aligned with the row of inflow openings 29, and the inner opening 32 is aligned with the row of inflow openings 30.
  • the rows of inflow openings 24, 29, 30 are open and the row of inflow openings 28 is closed, resulting in thirteen openings opened.
  • Fig. 8c the inner sleeve 23 is rotated slightly to the left, whereby the inner opening 31 is aligned with the row of inflow openings 28, the inner opening 32 is aligned with the row of inflow openings 29, and the inner opening 33 is aligned with the row of inflow openings 30.
  • the rows of inflow openings 28, 29, 30 are open and the row of inflow openings 24 is closed, resulting in twelve openings opened.
  • Fig. 8d the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8c , whereby the inner opening 32 is aligned with the row of inflow openings 24, the inner opening 33 is aligned with the row of inflow openings 28, and the inner opening 34 is aligned with the row of inflow openings 29.
  • the rows of inflow openings 24, 28, 29 are open and the row of inflow openings 30 is closed, resulting in seventeen openings opened.
  • Fig. 8e the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8d , whereby the inner opening 33 is aligned with the row of inflow openings 24, the inner opening 34 is aligned with the row of inflow openings 28, and the inner opening 35 is aligned with the row of inflow openings 30.
  • the rows of inflow openings 24, 28, 30 are open and the row of inflow openings 29 is closed, resulting in fifteen openings opened.
  • Fig. 8f the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8e , whereby the inner opening 34 is aligned with the row of inflow openings 24, and the inner opening 35 is aligned with the row of inflow openings 29.
  • the rows of inflow openings 24, 29 are open and the rows of inflow openings 28, 30 are closed, resulting in eleven openings opened.
  • Fig. 8g the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8f , whereby the inner opening 35 is aligned with the row of inflow openings 28.
  • the row of inflow openings 28 are open and the rows of inflow openings 24, 29, 30 are closed, resulting in six openings opened.
  • Fig. 8h the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8g , whereby the inner opening 35 is aligned with the row of inflow openings 24, and the inner opening 36 is aligned with the row of inflow openings 30.
  • the rows of inflow openings 24, 30 are open and the rows of inflow openings 28, 29 are closed, resulting in nine openings opened.
  • Fig. 8i the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8h , whereby the inner opening 36 is aligned with the row of inflow openings 28, and the inner opening 37 is aligned with the row of inflow openings 30.
  • the rows of inflow openings 28, 30 are open and the rows of inflow openings 24, 29 are closed, resulting in eight openings opened.
  • Fig. 8j the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8i , whereby the inner opening 36 is aligned with the row of inflow openings 24, and the inner opening 37 is aligned with the row of inflow openings 29.
  • the rows of inflow openings 24, 29 are open and the rows of inflow openings 28, 30 are closed, thus being the same position as in Fig. 8f .
  • Fig. 8l the inner sleeve 23 is rotated slightly to the left in relation to the adjustment of Fig. 8k , whereby the inner opening 38 is aligned with the row of inflow openings 28, and the inner opening 39 is aligned with the row of inflow openings 29.
  • the rows of inflow openings 28, 29 are open and the rows of inflow openings 24, 30 are closed, resulting in ten openings opened.
  • Figs. 8a to 8o shows different flow capacities of the inflow device 8, resulting in fourteen different volume rates. Even though some possible adjustments of the inflow device 8 are not shown in Figs. 8a to 8o , it is evident for the skilled person that the configuration of the inflow device 8 is capable of opening and closing all rows of inflow openings independently of each other by rotating the inner sleeve to the intended position.
  • Fig. 9 shows a longitudinal cross-sectional view of another embodiment of an inflow device 8.
  • the inflow device 8 comprises a first sleeve or tubular 40 having twelve inflow openings 24 and a first wall 41 having twelve first axial channels 27 extending in the first wall 41 from the inflow openings 24.
  • axial channels is meant that the channels extend in an axial direction in relation to the inflow device 8.
  • the inflow device 1 also comprises a second sleeve 42 or tubular having a first end 43 and a second end 44 and, in this view, six inner openings 25. Even though the second sleeve 42 or tubular only shows six inner openings 25, the number of inner openings is actually the same as in the first sleeve 40 or tubular, i.e. 12 inner openings.
  • the second sleeve 42 or tubular is rotatable within the first sleeve 40 or tubular and has a second wall 45 having twelve second axial channels (not shown) extending in the second wall 45 from the first end 43 to the inner opening 25.
  • each inner opening 25 has its own second axial channel.
  • the second sleeve 42 or tubular is arranged in an inner circumferential recess 46 in the first wall 41 of the first sleeve 40 or tubular, so that when the second sleeve 42 or tubular is arranged in the recess, the second sleeve 42 or tubular will not decrease the overall inner diameter of the inflow device and thereby of the production casing.
  • the second sleeve 42 or tubular is rotatable in relation to the first sleeve 40 or tubular at least between a first position, in which the first channel 27 and second channel (not shown) are in alignment for allowing fluid to flow from the reservoir into the production casing via the first end 43 of the second sleeve 42 or tubular, and a second position (the position shown in Fig. 9 ), in which the first channel 27 and second channel (not shown) are out of alignment so that fluid is prevented from flowing into the production casing.
  • the inflow device 8 also comprises a first packer 47 which is arranged between the first sleeve 40 or tubular and the first end 43 of the second sleeve 42 or tubular.
  • the packer 47 extends around the inner circumferential recess 46 and has an inner diameter which is substantially the same as that of the second sleeve or tubular.
  • the packer 47 has the same number of through-going packer channels 48 as there are first axial channels, i.e. in this embodiment twelve, the packer channels 48 being aligned with the first axial channels 27.
  • the packer is fixedly connected with the first sleeve or tubular so that the packer channels 48 are fluidly connected with first axial channels.
  • the packer is ring-shaped and the through-going packer channels 48 extend through the packer along the axial extension of the first sleeve or tubular.
  • the packer 47 is preferably made of ceramics, whereby it is possible to make the contact surfaces of the packer 47 smooth, which enhances the sealing properties of the packer 47, since the smooth contact surface may be pressed closer to the opposite surface which is the first end 43 of the second sleeve 42 or tubular.
  • the packer may be made of metal, composites, polymers, or the like.
  • a second packer 49 is arranged between the first sleeve 40 or tubular and the second end 44 of the second sleeve 42 or tubular.
  • the second packer is omitted, whereby the second end 44 of the second sleeve 42 or tubular faces the first wall of the first sleeve 40 or tubular.
  • a first spring element 50 may be arranged between the first packer 47 and the first sleeve 40 or tubular.
  • the second sleeve 42 or tubular may comprise at least one recess 51 accessible from within, the recess 51 being adapted to receive a key tool (not shown) for rotating the second sleeve 42 or tubular in relation to the first sleeve 40 or tubular.
  • the adjustment of the inflow devices 8, 9 may be performed manually by for instance inserting a downhole tool having a key tool down in the production casing and moving the downhole tool to the inflow device which need to be adjusted.
  • the inflow devices 8, 9 may also be operated by a magnetic source.
  • the inflow devices may be remotely adjustable, for instance by wireline or wireless control.
  • the inflow device 8 is adapted to be inserted and form part of the production casing 3, thus forming a cased completion (not shown). Accordingly, the ends of the inflow device 8 are adapted to be connected with another casing element by conventional connection means, for instance by means of a threaded connection.
  • the outer openings are shown as openings per se.
  • the outer openings may comprise flow restrictors, throttles or valves, such as for instance inflow control valves (not shown).
  • the inner sleeve may be slidably movable in relation to the outer sleeve.
  • fluid or well fluid any kind of fluid that may be present in oil or gas wells downhole, such as natural gas, oil, oil mud, crude oil, water, etc.
  • gas is meant any kind of gas composition present in a well, completion, or open hole
  • oil is meant any kind of oil composition, such as crude oil, an oil-containing fluid, etc.
  • Gas, oil, and water fluids may thus all comprise other elements or substances than gas, oil, and/or water, respectively.
  • a casing any kind of pipe, tubing, tubular, liner, string etc. used downhole in relation to oil or natural gas production.
  • a downhole tractor can be used to push the tools all the way into position in the well.
  • a downhole tractor is any kind of driving tool capable of pushing or pulling tools in a well downhole, such as a Well Tractor®.
EP11195580.3A 2011-12-23 2011-12-23 Herstellungssystem zur Herstellung von Kohlenwasserstoffen aus einem Bohrloch Withdrawn EP2607616A1 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
EP11195580.3A EP2607616A1 (de) 2011-12-23 2011-12-23 Herstellungssystem zur Herstellung von Kohlenwasserstoffen aus einem Bohrloch
MX2014006957A MX342054B (es) 2011-12-23 2012-12-21 Sistema de produccion para extraer hidrocarburos de un pozo.
US14/363,880 US20140352956A1 (en) 2011-12-23 2012-12-21 Production system for producing hydrocarbons from a well
BR112014013982A BR112014013982A2 (pt) 2011-12-23 2012-12-21 sistema de produção para a produção de hidrocarbonetos a partir de um poço
DK12806485.4T DK2795052T3 (en) 2011-12-23 2012-12-21 Production system for the production of hydrocarbons from a well
AU2012356949A AU2012356949B2 (en) 2011-12-23 2012-12-21 Production system for producing hydrocarbons from a well
EP12806485.4A EP2795052B1 (de) 2011-12-23 2012-12-21 Produktionssystem zur herstellung von kohlenwasserstoffen aus einem bohrloch
CN201280060532.3A CN104254664A (zh) 2011-12-23 2012-12-21 用于从井中生产烃的生产系统
RU2014127616A RU2014127616A (ru) 2011-12-23 2012-12-21 Эксплуатационная система для добычи углеводородов из скважины
PCT/EP2012/076541 WO2013092945A1 (en) 2011-12-23 2012-12-21 Production system for producing hydrocarbons from a well
CA2858643A CA2858643A1 (en) 2011-12-23 2012-12-21 Production system for producing hydrocarbons from a well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11195580.3A EP2607616A1 (de) 2011-12-23 2011-12-23 Herstellungssystem zur Herstellung von Kohlenwasserstoffen aus einem Bohrloch

Publications (1)

Publication Number Publication Date
EP2607616A1 true EP2607616A1 (de) 2013-06-26

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP11195580.3A Withdrawn EP2607616A1 (de) 2011-12-23 2011-12-23 Herstellungssystem zur Herstellung von Kohlenwasserstoffen aus einem Bohrloch
EP12806485.4A Not-in-force EP2795052B1 (de) 2011-12-23 2012-12-21 Produktionssystem zur herstellung von kohlenwasserstoffen aus einem bohrloch

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12806485.4A Not-in-force EP2795052B1 (de) 2011-12-23 2012-12-21 Produktionssystem zur herstellung von kohlenwasserstoffen aus einem bohrloch

Country Status (10)

Country Link
US (1) US20140352956A1 (de)
EP (2) EP2607616A1 (de)
CN (1) CN104254664A (de)
AU (1) AU2012356949B2 (de)
BR (1) BR112014013982A2 (de)
CA (1) CA2858643A1 (de)
DK (1) DK2795052T3 (de)
MX (1) MX342054B (de)
RU (1) RU2014127616A (de)
WO (1) WO2013092945A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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RU178922U1 (ru) * 2018-01-10 2018-04-23 Владимир Александрович Чигряй Устройство регулирования притока флюида
RU179815U1 (ru) * 2018-01-10 2018-05-24 Владимир Александрович Чигряй Устройство регулирования притока флюида
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US8869916B2 (en) 2010-09-09 2014-10-28 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
US9016400B2 (en) 2010-09-09 2015-04-28 National Oilwell Varco, L.P. Downhole rotary drilling apparatus with formation-interfacing members and control system
US9476263B2 (en) 2010-09-09 2016-10-25 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
US20170089170A1 (en) * 2015-03-24 2017-03-30 Halliburton Energy Services, Inc. Downhole flow control assemblies and methods of use
US9816348B2 (en) * 2015-03-24 2017-11-14 Halliburton Energy Services, Inc. Downhole flow control assemblies and methods of use
GB2549686B (en) * 2015-03-24 2021-02-24 Halliburton Energy Services Inc Downhole flow control assemblies and methods of use
RU178922U1 (ru) * 2018-01-10 2018-04-23 Владимир Александрович Чигряй Устройство регулирования притока флюида
RU179815U1 (ru) * 2018-01-10 2018-05-24 Владимир Александрович Чигряй Устройство регулирования притока флюида
DE102020117596A1 (de) 2020-07-03 2022-01-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Siebfilter für Geotechnikanlagen

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CA2858643A1 (en) 2013-06-27
DK2795052T3 (en) 2016-11-14
CN104254664A (zh) 2014-12-31
BR112014013982A2 (pt) 2017-06-13
MX2014006957A (es) 2014-09-01
EP2795052B1 (de) 2016-07-20
WO2013092945A1 (en) 2013-06-27
US20140352956A1 (en) 2014-12-04
AU2012356949B2 (en) 2015-09-03
RU2014127616A (ru) 2016-02-10
AU2012356949A1 (en) 2014-07-24
EP2795052A1 (de) 2014-10-29

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