EP3102775B1 - Expandierbare vorrichtung - Google Patents

Expandierbare vorrichtung Download PDF

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Publication number
EP3102775B1
EP3102775B1 EP15702467.0A EP15702467A EP3102775B1 EP 3102775 B1 EP3102775 B1 EP 3102775B1 EP 15702467 A EP15702467 A EP 15702467A EP 3102775 B1 EP3102775 B1 EP 3102775B1
Authority
EP
European Patent Office
Prior art keywords
fact
space
pipe
jacket
passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15702467.0A
Other languages
English (en)
French (fr)
Other versions
EP3102775A2 (de
Inventor
Jean-Louis Saltel
Gwenaël TANGUY
Samuel Roselier
Romain Neveu
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.)
Saltel Industries SAS
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Saltel Industries SAS
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Publication date
Application filed by Saltel Industries SAS filed Critical Saltel Industries SAS
Publication of EP3102775A2 publication Critical patent/EP3102775A2/de
Application granted granted Critical
Publication of EP3102775B1 publication Critical patent/EP3102775B1/de
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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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
    • E21B23/065—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers setting tool actuated by explosion or gas generating means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/127—Packers; Plugs with inflatable sleeve
    • 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
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like

Definitions

  • the present invention relates to an expandable device, in particular used as an isolator of zones of the annulus of a well.
  • This figure is a simplified sectional view of a pipe that extends into a previously prepared well. In this case, this is a horizontal portion of the well. It is understood that this portion could have another orientation, for example vertical or oblique.
  • this pipe has one or more isolation devices 2.
  • this pipe has one or more isolation devices 2.
  • a device 2 is shown for the sake of simplification.
  • each device consists of a tubular metal jacket 20 whose opposite ends are made integral, directly or indirectly from the outer face of the pipe 1 by annular rings or tight reinforcement skirts 21.
  • the metal sleeves 20, not deformed, extend substantially in the extension of the rings 21.
  • a first pressurized fluid P1 greater than P0 is then sent inside the pipe and this pipe is introduced through openings 10 which the whole of the pipe 1, disposed opposite the jackets 20, present in order to deform the metal folders and adopt the position of the figure 2 in which their central intermediate portion is applied against the wall A1 of the well.
  • the pressurized fluid can be injected by pressurizing the interior of the entire pipe 1, or locally at each opening 10 to using cup packers as described in the French patent application 12 59384 not published at the date of filing of this application.
  • the material of the jacket and the pressure are chosen so that the metal deforms beyond its elastic limit.
  • connection between the expandable sleeve 20 and the pipe 1 is defective (in particular if the rings 21 are not sealed), or if the diameter of the well A is at least locally greater than the maximum expansion diameter of the sleeve 20 (situation of the figure 3 ), it is then possible that at least one of the annular spaces B disposed on either side of the jacket 20 is in communication with the inside of the pipe 1.
  • this communication is done through at least one of the rings 21, while in the second case, the wall of the liner 20 is not retained, that is to say in support against the well wall A, then it breaks, even explodes.
  • piercing openings 10 in line 1 weakens the latter. Indeed, the mechanical resistance to traction and torsion is reduced. In addition, this represents an additional manufacturing operation that has an impact on their cost price and adversely affects the time spent manufacturing the installation.
  • the present invention aims to solve the problem described above while also mitigating the aforementioned risk of collapse of the shirt when it has reached its expanded state.
  • the expression "in fluid communication with a pyrotechnic charge” means that the pyrotechnic charge is located outside the space, but that the latter communicates directly with the load, via for example at least one tubulure or the like.
  • the pipe 1 is completely devoid of passage, hole or orifice capable of putting it directly or indirectly in communication with the outside.
  • the expanding sleeve 20 is, as already mentioned, sealingly connected to the outer face of the pipe 1 by rings 21.
  • the jacket 20 may be manufactured, without limitation, of austenitic stainless steel, super-austenitic or nickel-based materials.
  • the thickness of the liner 20 is for example between 2 mm and 15 mm or more.
  • a pyrotechnic charge that may be used in the context of the invention, it is possible to envisage an explosive of the exploding or breaking type, for example of the propellant or TNT type.
  • the pressure increases inside the expandable sleeve 20 to force the wall thereof in the direction of its expansion.
  • the load 3 is advantageously provided with a not shown receiver which, when it is loaded, initiates the triggering of the combustion of the load.
  • the energy released by the pyrotechnic charge 3 continues to be released and the expandable sleeve 20 can no longer expand because it comes into contact with the inner wall A1 of the well A.
  • the pressure continues to increase in the enclosure delimited by the jacket 20.
  • a pressure P2 greater than P1 is reached, at least one region of the liner opens to form at least one passage 200 between the l inside the jacket 20 and one or the other of the annular spaces B disposed on either side of the jacket.
  • Said region may advantageously be materialized by a reduced thickness of the wall 2 of the liner 20, which region is of course less mechanically resistant.
  • the pyrotechnic charge can take various forms. As a simple example, it can be considered that it can be solid. In this case, we will preferentially deal with a monolithic block or a cordon.
  • this charge may be liquid or gaseous.
  • the wall of the jacket 20 is devoid of opening or passage 200.
  • one of the rings 21 of the jacket that is to say one of the connecting pieces of the jacket 20 to the pipe 1 , is provided with an opening 210 which communicates the internal space of the liner 20 with the annular space B associated.
  • this opening is made in a part 22 which cooperates with one of the rings 21.
  • the openings 210 function identically to the openings 200. They are initially plugged, when a pressure P2 greater than P1 is reached, the openings 210 open to form at least one passage between the inside of the jacket 20 and the one or other of the annular spaces B disposed on either side of the shirt.
  • the pressure within the expandable jacket 20 is therefore identical to the differential pressure, which gives the jacket excellent zone insulation properties.
  • the expandable sleeve may be coated with a sealing layer composed of bonded elastomer or joints as described in the French application no. 1358224 on behalf of this applicant, not published as of the date of filing of this application.
  • the pyrotechnic charge is not located inside said space E, but outside thereof, near the jacket 20 and the pipe 1.
  • the load 3 bears on the outer face of the pipe 1.
  • the increase in pressure is reflected inside the space E, by deforming the jacket 20.
  • Each figure bearing the index "A” is associated with a figure bearing the index "B". In this figure is visible an enlarged part of the associated figure, as shown by the double arrows visible on the corresponding boards.
  • the pyrotechnic charge 3 is not here inside the space E, but outside of it, near the jacket 20 and the pipe 1.
  • the pyrotechnic charge 3 which is here a gas generating charge, is disposed inside a gas generator 4 consisting of a sealed metal capsule.
  • This pyrotechnic charge may be of the propellant or powder type, or any exothermic system making it possible to generate a large quantity of gaseous molecules.
  • the generator consists of two chambers 40 and 41 which communicate with each other, namely a combustion chamber 40 and a transfer chamber 41 of the gases generated by said combustion.
  • the combustion chamber 40 accommodates a known type of combustion initiator, the triggering is carried out remotely, for example via an electric pulse transmitted by wire bond or non-wire (not shown in the figures).
  • the generator 4 is connected, on the side of the chamber 41 to the space E of the jacket 20 through a through opening 210 formed in one of the rings 21 for sealing connection between the jacket 20 and the pipe.
  • the generator 4 and more particularly its wall, at the chamber 41, is provided with two nonreturn valves 5 and 6.
  • Each is provided with a ball 50, respectively 60 and a spring 51, respectively 61 which urges the ball against its seat so as to close each valve.
  • valve 5 when the ball 50 is not in abutment against its seat, a fluid communication is only possible in the outward direction of said expandable sleeve 20 towards the inside of the generator 4.
  • valve 6 when the ball 60 is not in abutment against its seat, a fluid communication is only possible in the inner direction of the gas generator 4 to the outside of said expandable sleeve 20.
  • the spring 62 of the valve 6 is calibrated so that in these circumstances of pressure increase and impossibility of expansion of the jacket 20, the excess pressure escapes to the outside, as shown in FIG. arrow g Figures 17A and B .

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Air Bags (AREA)
  • Pipe Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)

Claims (17)

  1. Expandierbare Vorrichtung, insbesondere für Fracking, die umfasst:
    - eine Rohrleitung (1),
    - und an ihrer Außenseite einen koaxialen expandierbaren zylindrischen Mantel (20), dessen gegenüberliegende Enden mit dieser Außenseite dicht verbunden sind,
    wobei die Rohrleitung (1) somit mit dem Mantel (20) einen dichten Raum (E) begrenzt, wobei der Abschnitt der Leitung (1), der dem Raum (E) zugewandt ist, keine Fluidkommunikationsmittel mit dem Raum (E) aufweist,
    dadurch gekennzeichnet, dass:
    - der Raum (E) in Fluidkommunikation mit einer pyrotechnischen Ladung (3) ist, die, wenn sie aktiviert ist, in dem Raum (E) einen Druck P1 erzeugt, der ausreichend ist, um den Mantel (20) jenseits seiner elastischen Verformung zu verformen,
    - wobei die pyrotechnische Ladung (3) eine Gaserzeugungsladung ist und diese Ladung innerhalb eines Gaserzeugers (4) angeordnet ist,
    - wobei der Gaserzeuger (4) mit dem Raum (E) mittels einer Durchgangsöffnung (210) verbunden ist, die in einem Verbindungsteil (21) ausgebildet ist, das den expandierbaren Mantel (20) mit der Leitung (1) verbindet, und
    - die Wand des Gaserzeugers mit einem ersten Klappen-Rückschlagventil (5) ausgestattet ist, das einen Fluiddurchgang nur in der Richtung von außerhalb des expandierbaren Mantels (20) in das Innere des Gaserzeugers (4) erlaubt,
    - und einem zweiten Klappen-Rückschlagventil (6), das einen Fluiddurchgang nur in der Richtung Inneres des Gaserzeugers (4) nach außerhalb des expandierbaren Mantels (20) erlaubt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie mindestens eine Region aufweist, die imstande ist, sich zu öffnen, um einen Durchgang (200) zwischen außerhalb der Leitung (1) und dem Innern des dichten Raums (E) zu bilden, sobald ein Druck P2 größer als P1 in dem Raum (E) herrscht.
  3. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Aktivierung der pyrotechnischen Ladung (3) ferngesteuert wird, das heißt, außerhalb des Raums (E).
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Aktivierung durch Benutzung eines Steuermittels durchgeführt wird, das im Innern der Rohrleitung (1) etwa gegenüber dem Mantel (20) angeordnet ist.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Aktivierung durch Benutzung eines Steuermittels durchgeführt wird, das in das Innere der Rohrleitung (1) mittels eines Fluidstroms eingeführt wird, wobei die Aktivierung durchgeführt wird, wenn sich das Aktivierungsmittel etwa gegenüber dem Mantel (20) befindet.
  6. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass sich die Region, die imstande ist, sich zu öffnen, um einen Durchgang (200) zwischen außerhalb der Leitung (1) und dem Innern des dichten Raums (E) zu bilden, in der Wand (2) des expandierbaren Mantels (20) selbst befindet.
  7. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass sich die Region, die imstande ist, sich zu öffnen, um einen Durchgang zwischen außerhalb der Leitung (1) und dem Innern des dichten Raums (E) zu bilden, in dem Verbindungsteil (21) befindet, das den expandierbaren Mantel (20) mit der Leitung (1) verbindet.
  8. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass sich die Region, die imstande ist, sich zu öffnen, um einen Durchgang zwischen außerhalb der Leitung (1) und dem Innern des dichten Raums (E) zu bilden, in einer äußeren Vorrichtung (22) in Fluidkommunikation mit dem Innern des dichten Raums (E) befindet.
  9. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Region, die imstande ist, sich zu öffnen, um einen Durchgang (200) zwischen außerhalb und dem Innern des Raums (E) zu bilden, eine Region ist, die eine mechanische Schwäche aufweist.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass in der Region eine Wand mit einer reduzierten Stärke die mechanische Schwächungszone darstellt.
  11. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Region, die imstande ist, sich zu öffnen, um einen Durchgang zwischen außerhalb und dem Innern des Raums (E) zu bilden, eine Region ist, in der mindestens eine Berstscheibe oder ein Ventil, die normalerweise geschlossen sind, vorhanden ist, aber die/das sich öffnet, sobald der Druck P1 erreicht ist.
  12. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die pyrotechnische Ladung (3) fest ist.
  13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die Ladung (3) die Form eines monolithischen Blocks oder eines Strangs hat.
  14. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die pyrotechnische Ladung (3) flüssig oder gasförmig ist.
  15. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der expandierbare Mantel (20) ein Dichtungsmittel auf seiner Außenseite aufweist.
  16. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Ladung (3) vielfach ist, das heißt, dass sie von einer Einheit individueller, sequentiell aktivierter Ladungen gebildet ist.
  17. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sich das erste Ventil (5) öffnet, wenn ein Überdruck in dem ringförmigen Raum (B) gegenüber dem Erzeuger (4) entsteht, wogegen sich das zweite Ventil (6) öffnet, wenn ein Überdruck in dem Raum (E) herrscht.
EP15702467.0A 2014-02-05 2015-02-02 Expandierbare vorrichtung Active EP3102775B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1400325 2014-02-05
FR1457752 2014-08-11
PCT/EP2015/052093 WO2015117924A2 (fr) 2014-02-05 2015-02-02 Dispositif expansible

Publications (2)

Publication Number Publication Date
EP3102775A2 EP3102775A2 (de) 2016-12-14
EP3102775B1 true EP3102775B1 (de) 2018-04-04

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ID=52446369

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Application Number Title Priority Date Filing Date
EP15702467.0A Active EP3102775B1 (de) 2014-02-05 2015-02-02 Expandierbare vorrichtung

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EP (1) EP3102775B1 (de)
WO (1) WO2015117924A2 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5316087A (en) * 1992-08-11 1994-05-31 Halliburton Company Pyrotechnic charge powered operating system for downhole tools
US5613557A (en) * 1994-07-29 1997-03-25 Atlantic Richfield Company Apparatus and method for sealing perforated well casing
EP2402554A1 (de) * 2010-06-30 2012-01-04 Welltec A/S Bruchsystem
US8646537B2 (en) * 2011-07-11 2014-02-11 Halliburton Energy Services, Inc. Remotely activated downhole apparatus and methods
EP2599956A1 (de) * 2011-11-30 2013-06-05 Welltec A/S Ringförmiges Barrieresystem mit Flusslinien
FR2988126B1 (fr) * 2012-03-16 2015-03-13 Saltel Ind Dispositif d'isolation d'une partie d'un puits

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Publication number Publication date
WO2015117924A3 (fr) 2015-12-10
EP3102775A2 (de) 2016-12-14
WO2015117924A2 (fr) 2015-08-13

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