WO2015193404A1 - Dispositif de chemisage ou d'obturation d'un puits ou d'une canalisation - Google Patents
Dispositif de chemisage ou d'obturation d'un puits ou d'une canalisation Download PDFInfo
- Publication number
- WO2015193404A1 WO2015193404A1 PCT/EP2015/063654 EP2015063654W WO2015193404A1 WO 2015193404 A1 WO2015193404 A1 WO 2015193404A1 EP 2015063654 W EP2015063654 W EP 2015063654W WO 2015193404 A1 WO2015193404 A1 WO 2015193404A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- braid
- seal
- liner
- jacket
- sleeve
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 56
- 238000007789 sealing Methods 0.000 claims description 40
- 229910002804 graphite Inorganic materials 0.000 claims description 38
- 239000010439 graphite Substances 0.000 claims description 38
- 229910052799 carbon Inorganic materials 0.000 claims description 20
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 20
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 6
- 239000004760 aramid Substances 0.000 claims description 5
- 229910001026 inconel Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 2
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 238000010794 Cyclic Steam Stimulation Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000005382 thermal cycling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing 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
- E21B43/108—Expandable screens or perforated 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/01—Sealings characterised by their shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Definitions
- the invention relates to the field of drilling, including oil drilling and geothermal.
- the invention relates to a device comprising a radially deformable liner and which is intended to seal or seal a well or pipe.
- casing is a metal tube, commonly referred to by the English term “casing”, which garnishes the interior of the oil well, on a length usually between 300 and 4500 meters, for an inside diameter included generally between 100 and 320 millimeters.
- This casing is made from segments connected throughout the height of the well through joints (called “collars").
- Such a sealing sleeve has a diameter slightly less than the diameter of the casing, and is fixed against the inner face of the casing, at the area to be sealed, by radial expansion.
- This expansion operation is carried out, in a known manner, by using conically-shaped expansion tools, by hydroforming a fluid under pressure, or by an expansion balloon called "inflatable packer".
- Some of these sleeves have a sealing coating which is in the form of an annular layer of flexible and elastic material, rubber or elastomer for example. This outer coating allows ensure a satisfactory seal between the body of the sleeve and the inside of the casing.
- high temperature elastomers preserve their properties up to about 325 ° C.
- Such a technique called “cyclic steam stimulation” or “CSS” in English, is used in deposits containing heavy / viscous oils, the injection of steam in the well being intended to heat and reduce the viscosity of the oil (so to fluidify it).
- the liquefied petroleum is then pumped to the surface (production phase). This operating cycle is repeated several times, ten times for example, at high temperatures, between 20 ° C and 325 ° C or more, and high pressures, between 210 and 140 bar respectively.
- the invention therefore particularly aims to overcome all or part of the disadvantages of the prior art.
- the purpose of the invention is, in at least one embodiment, to provide a radially deformable device for sealing or sealing a well or pipe:
- Another object of the invention in at least one embodiment, is to provide a device that is easily deformable and has a high elongation ratio, at least greater than 10%. Yet another object of the invention, in at least one embodiment, is to provide a device that is particularly adapted to the ambient conditions of a CSS well (temperatures between 20 ° C and at least 325 ° C, and pressures included between 210 and 140 bar respectively), and can withstand several temperature cycles (corresponding to the operating cycles of such a CSS sink).
- the invention manages to fulfill all or part of these objectives through a device for lining or closing a well or pipe, said device comprising a radially expandable tubular liner and at least one annular seal carried by said shirt.
- said seal comprises at least a first portion formed by a filament or braid spirally mounted around the outer surface of said jacket.
- the invention thus proposes to arrange a spiral filament or braid on an expandable sleeve or sleeve to form a seal.
- This filament or braid is wrapped around the liner along the longitudinal axis of the liner, on a single level (radially to the longitudinal axis of the liner) around the liner.
- a well By the term “well”, it will be understood conventionally, in the present description and the claims to follow, a well providing water or hydrocarbons (oil or gas in particular), whether it is drilled and with a rough wall, or that it is jacketed by a casing, as well as a pipe for the transport of a fluid.
- filament By the term “filament”, it will be understood conventionally, in the present description and the claims to follow, an element (or wire) of fine and elongated shape. It can be compacted material or compacted strands or sheets of twisted materials.
- said seal comprises a second part formed by a filament or a braid, said second part being spirally mounted around the outer surface of said jacket and juxtaposed to the first part along the longitudinal axis of the shirt.
- the first part is connected to the second part by connecting means.
- said connecting means comprise a connecting element arranged around the jacket and formed of aramid fibers encapsulated in a rubber envelope.
- said connecting means comprise a connecting ring disposed around the liner between the first part and the second part, and covering an end portion of each of the first and second parts.
- said seal comprises a second portion formed by a hollow cylindrical element mounted around the outer surface of said liner and juxtaposed to the first portion along the longitudinal axis of the liner.
- the second part (formed by a filament, a braid or a cylindrical element) has a coefficient of thermal expansion at least ten times greater than the first part (formed by a filament or a braid).
- the first part comprises a graphite filament or braid.
- the second part (formed by a filament, a braid or a cylindrical element) is made of polymer.
- the second part can be made of PTFE only, for example.
- the second part is impregnated with graphite.
- the second part may be made of PTFE impregnated with graphite.
- the first part and / or the second part comprises / comprise a reinforcement made of carbon, glass fibers, aramid, stainless steel, inconel (registered trademark) or alloy of nickel and chromium.
- the first part of the seal may be formed by a braid composed of graphite son intertwined with son of another material.
- the seal may thus be formed of a first carbon / graphite braid connected by connecting means to a second braid made of polymer impregnated with graphite.
- such a device By the use of suitable materials and a combination of filaments or braids wound juxtaposed to the expandable portion of the sleeve, such a device is very resistant to heat and high pressures, and retains optimum sealing properties to high temperatures and pressures.
- the sealing means of the device of the invention do not use elastomer (the seal does not rely on an elastomeric means, the effectiveness of which over time and under severe conditions is uncertain) which allows better mechanical and chemical resistance over time (less aging problems).
- thermal cycling does not, or device of the invention, the latter can withstand temperatures up to 600 ° C.
- Another advantage of such a device is that its wall is thin which allows a wide passage once it is placed in the well.
- one or more rubber threads may be integrated in at least one of the braids, preferably in the center, so as to increase the elasticity of the corresponding braid.
- said seal is covered on its periphery, at each of its two ends, by a ring for holding said gasket on the jacket.
- At least one of said holding rings is mounted so as to exert compression along the longitudinal axis of the sleeve on said seal.
- said seal is pre-compressed axially through the rings disposed at each of its ends. This axial pre-compression allows optimized radial expansion of the seal when the jacket is expanded.
- each of said holding rings is fixed on said jacket.
- Each of said rings is fixed on said sleeve by welding, or by any other fixing method.
- the rings are fixed on the liner once the pre-compression of the seal is implemented.
- said liner carries a plurality of seals spaced along the longitudinal axis of the liner.
- the liner is mounted on and surrounds a tubular portion for forming a portion of a well / borehole conduit.
- the invention can be applied to sealing sleeves (or patches), whose initial diameter is smaller than that of the well or pipe, and which is deformable by radial expansion beyond its elastic limit so that the Sealing braid can be firmly and intimately applied against the wall of the well or pipe, thus sealing the wellbore.
- the jacket forms part of a tubular sleeve intended to be placed in a pipe of a well / borehole.
- Such a barrier may comprise a tube on which is fixed an expandable sleeve carrying one or more juxtaposed braids wound in a spiral.
- the jacket is intended to be expanded in an annular space to provide a barrier on either side of this annular space between a casing and a borehole (that is, a "rough" drilled hole) or between two concentric casings of a wellbore.
- the invention furthermore relates to a method of manufacturing such a device intended to ensure the sealing or sealing of a well or pipe, and comprising a radially expandable liner, said method comprising the following steps :
- the method further comprises the following steps:
- setting up means limiting the deformation or radial swelling (e) of said seal before the application of a compressive force
- These means may take the form of a jacket or a winding (film) stretched of a non-elastic material disposed around the seal.
- Figure 1A is a perspective view of the liner device of the invention carrying a seal according to a first embodiment
- Figure 1B is a detail view of the device of Figure 1A;
- Figure 2A illustrates an alternative mounting of the seal according to the first embodiment;
- FIG. 2B is a detail view, in section, of the device of FIG.
- Figure 4 is a perspective view of the device of the invention provided with a plurality of spaced seals
- FIGS. 5A to 5F are different views of the device of the invention carrying a seal according to a second embodiment
- Figures 6A and 6B are perspective and sectional views of the sealing device of the invention carrying a seal according to the first embodiment
- Fig. 7A is a perspective view of an alternative of the liner device described in connection with Figs. 1A and 1B;
- Figure 7B is a longitudinal sectional view of the sleeve of Figure 7A, with Figures 7C and 7D being detail views of Figure 7B. 6. Description
- these two embodiments are not limited to a device intended to be expanded in the casing of a wellbore so as to seal or liner the latter (the device serves in this case a "patch" of sealing).
- the sealing means can also be implemented in the case where the device of the invention serves as an annular barrier intended to be expanded in an annular space to provide a barrier on both sides this annular space between a casing and a borehole (that is, a "rough" drilled hole) or between two concentric casings of a wellbore.
- the device, or patch, 1 comprises a radially expandable sleeve or sleeve 11 which is a cylindrical tube made of metal, in particular steel, on which is mounted a packing 12.
- the metal must be both strong (mechanically and corrosion-resistant) and sufficiently ductile to be properly expanded.
- the seal 12 is formed by a winding of two braids 121, 122 surrounding the jacket 11 and which are carried by the latter.
- the ends of the braids 121, 122 are clamped inside annular rings 125 which are fixed on the jacket 11.
- the seal 12 is formed by a winding of two filaments surrounding the liner 11 and which are carried by the latter.
- the jacket 11 is expanded by means of an expansion tool (cone, hydroforming or “inflatable packer”) until the seal comes into contact with the wall of the well and provides the sealing (it clogs a leak for example and allows the repair of the well).
- an expansion tool cone, hydroforming or "inflatable packer”
- the two sealing strands 121, 122 are mounted longitudinally (that is to say along the longitudinal axis A of the jacket 11) spirally around the outer surface of the metal jacket 11, as illustrated in FIG. 1A. each braided winding being in contact with the previous one.
- the radial winding of each braid 121, 122 is implemented on one level. Note that the two braids 121, 122 are juxtaposed and in contact with each other ( Figure 1B).
- the connection between the first braid 121 and the second braid 122 is provided in this example by a braid 123 of aramid fiber encapsulated in a rubber envelope. This connecting braid 123 ensures continuity between the first braid 121 and the second braid 122.
- connection between the first braid 121 and the second braid 122 can be provided by another type of fiber, or by a mechanical connecting element.
- FIG. 2A is a perspective view of the expandable sleeve carrying a double braid 121, 122 and a connecting ring 124 of the braids 121, 122.
- FIG. 2B is a detailed view showing the connecting ring 124 which covers an end of each of the first and second braids 121, 122, the latter not being in contact with each other.
- the first braid 121 consists of intertwined carbon filaments and graphite filaments (hereinafter referred to as carbon / graphite braid), the second braid 122 being formed of polytetrafluoroethylene filaments (the abbreviation of which is PTFE) impregnated with graphite (we will talk about PTFE / graphite braid later).
- carbon / graphite braid intertwined carbon filaments and graphite filaments
- the second braid 122 being formed of polytetrafluoroethylene filaments (the abbreviation of which is PTFE) impregnated with graphite (we will talk about PTFE / graphite braid later).
- the first braid may be formed of graphite filaments intermixed with carbon, stainless steel, inconel (registered trademark) or PTFE filaments
- the second braid may be formed of polymer filaments only, or of polymer filaments intermixed with filaments or impregnated with graphite, aramid, fiberglass or nickel-chromium alloy.
- the seal 12 is a hybrid braid formed of two braids 121, 122 juxtaposed axially (adjacent) and connected which form a single winding.
- the second PTFE / graphite braid 122 has optimum sealing properties because the PTFE softens at the patch 1 service temperature (i.e. at the temperature prevailing in the vicinity of the patch 1 when the patch is placed in a well).
- this second braid 122 In order to avoid any risk of creep of this second braid 122, that is to say its irreversible deformation, it is therefore associated with the first carbon / graphite braid 121 which is more stable in temperature and which guarantees the stability of the together (i.e. seal 12).
- This first carbon / graphite braid 121 thus fulfills an anti-extrusion function to eliminate, or at least limit, the creep of the second braid 122 in PTFE / graphite.
- the carbon / graphite has a low coefficient of thermal expansion and hardly swells at high temperatures (the first braid 121 does not help to seal at high temperatures, this function being filled by the second braid 122 PTFE /graphite).
- PTFE has a high coefficient of thermal expansion relative to carbon / graphite. Consequently, when the use temperature of the patch 1 decreases, the contraction of the second braid 122 is greater than the first braid 121, the latter then having sealing properties greater than the second braid 122.
- FIG. 3A shows the braids 121, 122 when they are applied in a sealed manner against the internal face or wall F of the casing C, at the level of the zone to be sealed, when the jacket 11 is expanded.
- the braids 121, 122 expand when the temperature increases and come to press further against the wall F, the second braid 122 also compressing the first braid 121 along the longitudinal axis of the jacket 11 against the When the temperature decreases (FIG. 3C), the contraction of the second braid 122 is greater than the first braid 121, the first braid 121 then having superior sealing properties to the second braid 122.
- the seal 12 thus combines the advantage of offering improved sealing (thus decreasing the leakage rate) to that of being stable in thermal cycling (high AT ° C repeated several times).
- FIG 4 is a perspective view showing a patch 1 which carries a plurality of seals 12A to 12D, the latter may be arranged at regular intervals (or not) longitudinally (along the axis A).
- Each seal 12A, 12B, 12C, 12D is formed, for example, of a first carbon / graphite braid and a second PTFE / graphite braid, each of these braids being able to withstand high temperatures and pressures. .
- first braid 121 of carbon / graphite filaments can withstand high temperatures (up to 550 ° C or 1000 ° F), the second PTFE / graphite braid 122 being able to withstand temperatures above 300 ° C .
- Such braids can withstand pressures greater than 210 bar.
- the sealing means of the patch 1 can withstand high temperatures and pressures by the use of suitable materials.
- FIGS. 5A to 5F show a second embodiment of the sealing means of the device of the invention in which the device, or patch, 2 comprises a radially expandable sleeve 21 which is a cylindrical tube made of metal, in particular of steel, on which is mounted a seal 22.
- the seal 22 is formed by a braid 224 surrounding the sleeve 21 and carried by the latter ( Figure 5D).
- the seal 22 is a filament.
- the sealing strap 224 is longitudinally spirally mounted around the outer surface of the metal jacket 21, the radial winding of the braid 224 being operated on a single level, as illustrated in FIGS. 5E and 5F.
- the braid 224 is mounted on the liner 21 of the patch 2 so as to obtain an elongation rate of the braid 224, and therefore of the seal 22 of the patch 2, which is much greater than the elongation rate, between 2% and 10%, gaskets (graphite / carbon in particular) patches of the prior art.
- FIGS. 5A to 5F schematically illustrate the particular method of laying / mounting the braid 224 on the metal jacket 21 of the patch 2 which makes it possible to optimize the elongation rate of the braid 224, and allows a better seal .
- the braid 224 is made of reinforced graphite.
- rings 225 are then threaded onto the jacket 21 and attached to each end of the jacket 21. the braid 224 to encapsulate the end portions thereof, as shown in Figure 5B.
- Figure 5E is a sectional view showing the rings 225 mounted on the sleeve 21 and partially covering the braid 224 in its end portions.
- an axial compression force (along the longitudinal axis A of the liner 21) towards the braid 224 is applied to the two rings 225 so as to compress the braid 224 axially. It is noted that this axial compression slightly increases the diameter of the seal 22 formed by the braid 224.
- the axial compression force is applied solely to one of the two rings 225.
- the rings 225 are then welded to the liner 21 and the axial compressive force is released.
- the braid 224 is thus held on the liner 21 by means of the rings 225 which are fixed on the liner 21 (FIG. 5F).
- the spirally wound braid 224 causes compression tangentially (in the direction of the fiber).
- the braid 224 is biased in tangential tension, in the opposite direction.
- This method of installation allows a rate of elongation of the braid 224 beyond 10%, up to about 26%, which increases the expansion rate of the patch 2 and the possibilities of laying it.
- this second embodiment also makes it possible, in a simple manner, to provide a compact patch, guaranteeing a good seal at high temperatures and pressures (for example 400 ° C.), and presenting a good mechanical strength over time.
- the jacket of the patch carries a plurality of braided windings spaced and each mounted according to the method just described.
- the braid 224 may be a reinforced graphite braid stainless steel or Inconel (registered trademark), the braid being in this case made of graphite son interwoven with stainless steel son or Inconel.
- the braid may be a graphite / carbon braid or a graphite / PTFE braid (the PTFE filaments being impregnated with graphite).
- first embodiment and the second embodiment can be implemented independently of one another or in combination.
- the seal 22 of the second embodiment may be formed by a braid in two parts juxtaposed and connected by connecting means according to the first embodiment.
- the liner seal may consist of a plurality of braid wraps (called blocks or "packing") which are mounted on the outer surface of the patch liner at regular intervals (or no).
- the liner may carry a series of three windings 30 cm wide spaced a predetermined distance, or thirty windings of width equal to 2 cm and spaced a predetermined distance.
- Each winding comprises a single braid or two braids connected by connecting means, which are or not pre-compressed by compression rings at their ends.
- the braids used are of square section, preferably.
- Each part of the packer may consist of a filament rather than a braid.
- the device of the invention can be implemented in oil wells or geothermal wells. These wells can be vertical, or inclined.
- the device of the invention whose lifetime is at least 15 to 20 years, is particularly, but not exclusively, adapted to CSS sinks.
- Figure 7A is a perspective view of an alternative of the liner device described in connection with Figures 1A and 1.
- the device, or patch, 1 comprises an expandable sleeve 11.
- the sleeve 11 carries a single braid 121 forming the first portion of the seal 12 (it could be a filament in one variant) and an expansion block 126 forming the second portion of the seal 12 .
- Figure 7B is a longitudinal sectional view of the sleeve of Figure 7A, with Figures 7C and 7D being detail views of Figure 7B.
- the expansion block 126 covers an end portion of the braid 121 (FIG. 7C), and is retained at the other end by a ring 125 (FIG. 7D) which is permanently attached to the sleeve 11 (by welding or by any other technique).
- the expansion block 126 which is a hollow cylindrical block made of PTFE in this example (with an inside diameter slightly larger than the outside diameter of the sleeve 11), has a high coefficient of thermal expansion and expands to compress (according to FIG. longitudinal axis of the sleeve 11) the braided winding 121 juxtaposed graphite during the rise in temperature (according to the detailed principle in connection with Figures 3A to 3C).
- the sealing means described in relation to the first and second embodiments may be implemented in an isolation device / shutter, or annular barrier.
- an isolation device 3 is shown in FIGS. 6A and 6B in perspective and in section respectively.
- Such an isolation device is, in known manner, intended to expand in an annular space and to form a barrier on either side of this annular space between a casing (or tubular structure) and an inner wall of a borehole, or between a first casing and a second casing that surrounds the first.
- the isolation device 3 is mounted on a tubular portion 4 (partially shown) which forms part of a casing of a well.
- the isolation device 3 is shown unexpansed in FIGS. 6A and
- the isolation device 3 isolates, for example, an annular portion of the well where there is a high pressure of another annular portion located downstream / upstream, where there is a low pressure.
- the tubular portion 4 is thus provided along its outer face with a tubular metal jacket 31 carrying the braid or braids and whose ends are integral with the outer face of the tubular portion 4.
- the liner 31 is provided on its outer face with a seal 32 formed of two braids 321, 322 juxtaposed along the longitudinal axis A 'of the liner 31 (in accordance with FIG. in the first embodiment) and connected by a connecting ring 324, the braids 321, 322 being able to seal the liner 31 when the latter is deformed and pressed against the wall of a well or a well. casing (not shown).
- the liner 31 is provided on its outer face with a pre-compressed braid (according to the second embodiment described previously) able to seal the liner when it is deformed and pressed against the wall of a well or casing.
- the jacket 31 is deformed when a fluid (not shown) is injected into the internal space of the tubular portion 4 under a predetermined pressure, the fluid passing through an opening (not shown) which communicates the interior of the tubular portion. 4 with the expandable space E delimited by the wall of the tubular portion 4 of the casing, the casing 31 and its ends retained by the rings 325.
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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)
- Gasket Seals (AREA)
- Earth Drilling (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Pipe Accessories (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016573562A JP2017519921A (ja) | 2014-06-18 | 2015-06-17 | 坑井またはパイプをライニングまたは孔閉塞するための装置 |
EP15728906.7A EP3158164A1 (fr) | 2014-06-18 | 2015-06-17 | Dispositif de chemisage ou d'obturation d'un puits ou d'une canalisation |
CA2950985A CA2950985C (fr) | 2014-06-18 | 2015-06-17 | Dispositif de chemisage ou d'obturation d'un puits ou d'une canalisation |
EA201790031A EA201790031A1 (ru) | 2014-06-18 | 2015-06-17 | Устройство уплотнения или перекрытия скважины или трубопровода |
CN201580032728.5A CN106574491A (zh) | 2014-06-18 | 2015-06-17 | 用于加衬或闭塞井筒或管道的装置 |
US15/319,791 US10428615B2 (en) | 2014-06-18 | 2015-06-17 | Device for lining or obturating a wellbore or a pipe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1455571A FR3022577B1 (fr) | 2014-06-18 | 2014-06-18 | Dispositif de chemisage ou d'obturation d'un puits ou d'une canalisation |
FR1455571 | 2014-06-18 |
Publications (1)
Publication Number | Publication Date |
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WO2015193404A1 true WO2015193404A1 (fr) | 2015-12-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2015/063654 WO2015193404A1 (fr) | 2014-06-18 | 2015-06-17 | Dispositif de chemisage ou d'obturation d'un puits ou d'une canalisation |
Country Status (8)
Country | Link |
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US (1) | US10428615B2 (fr) |
EP (1) | EP3158164A1 (fr) |
JP (1) | JP2017519921A (fr) |
CN (1) | CN106574491A (fr) |
CA (1) | CA2950985C (fr) |
EA (1) | EA201790031A1 (fr) |
FR (1) | FR3022577B1 (fr) |
WO (1) | WO2015193404A1 (fr) |
Families Citing this family (6)
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FR3022577B1 (fr) * | 2014-06-18 | 2016-07-29 | Saltel Ind | Dispositif de chemisage ou d'obturation d'un puits ou d'une canalisation |
CN109882111B (zh) * | 2019-04-11 | 2024-04-12 | 天津市益彰石油科技发展有限公司 | 防卡防脱通润楔式密封器 |
CN110725661B (zh) * | 2019-11-06 | 2021-12-17 | 河南理工大学 | 一种分节螺旋橡胶囊封孔装置 |
US11098835B2 (en) | 2020-01-24 | 2021-08-24 | Trinity Bay Equipment Holdings, LLC | Seal system and method |
CN111485852B (zh) * | 2020-04-27 | 2022-07-05 | 中国石油天然气股份有限公司 | 一种油气井套管液态树脂堵漏挤注工具及施工工艺 |
US20230366289A1 (en) * | 2022-05-10 | 2023-11-16 | Halliburton Energy Services, Inc. | Fast-Acting Swellable Downhole Seal |
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- 2015-06-17 EP EP15728906.7A patent/EP3158164A1/fr not_active Withdrawn
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- 2015-06-17 WO PCT/EP2015/063654 patent/WO2015193404A1/fr active Application Filing
- 2015-06-17 US US15/319,791 patent/US10428615B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
CA2950985A1 (fr) | 2015-12-23 |
CA2950985C (fr) | 2023-03-28 |
EA201790031A1 (ru) | 2017-06-30 |
US20170138148A1 (en) | 2017-05-18 |
FR3022577A1 (fr) | 2015-12-25 |
FR3022577B1 (fr) | 2016-07-29 |
US10428615B2 (en) | 2019-10-01 |
JP2017519921A (ja) | 2017-07-20 |
CN106574491A (zh) | 2017-04-19 |
EP3158164A1 (fr) | 2017-04-26 |
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