CN103797212A - A punching tool - Google Patents
A punching tool Download PDFInfo
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- CN103797212A CN103797212A CN201280044906.2A CN201280044906A CN103797212A CN 103797212 A CN103797212 A CN 103797212A CN 201280044906 A CN201280044906 A CN 201280044906A CN 103797212 A CN103797212 A CN 103797212A
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- hydraulic actuation
- drift
- fluid
- actuation drift
- percussion tool
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- 238000004080 punching Methods 0.000 title abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 110
- 239000002184 metal Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000009527 percussion Methods 0.000 claims description 95
- 125000006850 spacer group Chemical group 0.000 claims description 31
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000011796 hollow space material Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
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Images
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
- E21B43/11—Perforators; Permeators
- E21B43/112—Perforators with extendable perforating members, e.g. actuated by fluid 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/08—Cutting or deforming pipes to control fluid flow
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- 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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a punching tool used for providing a hole or a dimple in a metal casing in a borehole. The punching tool comprises a tool body having an axial extension, and a punching unit connected with the tool body. The punching unit comprises: a fluid inlet, a punch movable between a retracted position and a projected position, an opening extending substantially radially in relation to the axial extension, and at least one hydraulic punch cylinder moving the punch between the retracted position and the projected position. The invention further relates to a method for providing a hole or a dimple in a metal casing downhole and to a method for installing a plug in an existing hole in the casing downhole.
Description
Technical field
The present invention relates to a kind of for the percussion tool of eyelet or pit is provided in the metal sleeve of well.The invention still further relates to a kind of for method and a kind of method for stopper being installed in the perforation of down-hole casing of eyelet or pit are provided at down-hole metal sleeve.
Background technology
In the time producing hydrocarbon from well, sleeve pipe is in most of the cases perforated in sleeve pipe, to provide eyelet by blast, thereby formation fluid is entered in sleeve pipe.But, use blast perforating dangerous, therefore there is increasing demand to forming the alternative of such eyelet.
Perforation in sleeve pipe or eyelet can be used for multiple different object, such as for injecting object, and for insert such as valve of completion element after forming completion, or for fluid is flowed in sleeve pipe from stratum.Therefore, need a kind of equipment and method without perforation or eyelet are provided with explosive charge.
In addition, when eyelet or perforation is used for injecting object, for example, in the time that annulus provides ring packing, determine that the exact position of the eyelet relevant to injection device is a difficult task.If can not determine exact position, must inject to carry out by the large section of sealing sleeve pipe.In this, employing scheme is to inject under eyelet and sealing is being provided and only the whole well down to sealing is pressurizeed to inject fluid in down-hole.Such operation is injection fluids trouble and need to be a large amount of, becomes expensive operation.
Summary of the invention
An object of the present invention is completely or partially to overcome above-mentioned shortcoming and defect of the prior art.More specifically, an object of the present invention is to provide a kind of for without using explosive charge that the scheme of eyelet is provided at sleeve pipe.
From the following description by the above-mentioned purpose becoming apparent and numerous other object, advantage and feature by realizing according to the solution of the present invention, by a kind of for the percussion tool of eyelet or pit is provided in the metal sleeve of well, it comprises:
-there is the tool body of the length of extending axially; With
-with the impact unit that this tool body is connected, described impact unit comprises:
-being arranged on the aperture in this tool body, described aperture extends axially length radially extension substantially with respect to this;
-the fluid intake that is communicated with this aperture fluid; With
-being arranged in the hydraulic actuation drift in this aperture, it can move between retracted position and extended position;
Wherein by fluid is injected in described aperture and makes described hydraulic actuation drift move to described extended position through described fluid intake.
Above-described percussion tool also can comprise around this tool body and on the opposite side of this percussion tool and extends axially length two spacer assemblys arranged spaced apart along this, described spacer assembly can radially be expanded from this tool body, the zone isolation of the section of down-hole casing is provided thus, wherein this percussion tool also comprises one or more injection nozzles of the section of being isolated by described spacer assembly for fluid being injected to described sleeve pipe, and described injection nozzle is arranged between described spacer assembly.
Therefore, when well bore casing section has been isolated and has impacted and portal at the moment in sleeve pipe, fluid can be injected to the sleeve pipe section inside being isolated by spacer assembly so that be arranged to via the eyelet being impacted with described in be isolated the annular barrier that section fluid is communicated with and expand.Described percussion tool can be therefore for providing eyelet and injecting fluid for passing through described eyelet subsequently at down-hole casing.There is the instrument that is arranged in one group of impact unit between spacer assembly by use, can guarantee that eyelet in sleeve pipe is arranged on to be isolated section.If impact eyelet and isolate described sleeve pipe section by the second isolation and implantation tool by the first percussion tool, need the location significant care to described isolation and implantation tool, be in fact positioned at the section that is isolated of this sleeve pipe to guarantee to impact the eyelet.Described percussion tool also can be used for other and injects object, for example, for making packer inflation, for setting up/increase the pressure in the annular barrier of this inflatable packer or other type, for acidification is carried out in outside of sleeve stratum, or for hydraulic crushing object.
In one embodiment, described hydraulic actuation drift can have the impact edge for eyelet is provided at metal sleeve.
Above-described percussion tool also can comprise the pump of arranging explicitly with this tool body, and this pump is connected to described fluid intake, for hydraulic fluid being fed to described aperture, thereby this hydraulic actuation drift is moved to described extended position.
In one embodiment, described spacer assembly can be made up of inflatable packer, by make described inflatable packer expand and expansion from this tool body to the pump of described inflatable packer accommodating fluid.
In addition, described spacer assembly can be inflatable packer, swellable packer, compression or cup packer, other downhole packer, recyclable packer or their combination.
In addition, described pump can be communicated with described one or more injection nozzle fluids, and this pump can be suitable for through described one or more injection nozzles, fluid being injected in the section of being isolated by described spacer assembly of described sleeve pipe.
Above-described percussion tool also can comprise that fluid connects the entrance of described pump and described percussion tool annulus around, and wherein this pump is suitable for being injected in the section of being isolated by described spacer assembly of described sleeve pipe through described one or more injection nozzles from this annulus pumping fluid and by the fluid from this annulus.
In addition, described impact unit can comprise and being arranged to around this tool body and circumferentially relative bearing of described hydraulic actuation drift.
In addition, a part for described hydraulic actuation drift can engage with a part for this bearing, to control the moving radially between described retracted position and described extended position of described hydraulic actuation drift.
In addition, one in described hydraulic actuation drift and described bearing can comprise one or more director elements that radially extend, and the another one in described hydraulic actuation drift and described bearing can comprise one or more guide rails that radially extend, described guide rail is suitable for engaging with described director element, to control the moving radially between described retracted position and described extended position of described hydraulic actuation drift.
In addition, described hydraulic actuation drift and bearing can limit an expansible space.
Described impact unit also can comprise piston and elastic component, and in the time that this hydraulic actuation drift is moved to described extended position, this elastic component is compressed.
In addition, described hydraulic actuation drift and bearing can be disposed in the through hole in tool body.
In addition, can in the groove in the through hole of tool body, arrange sealing mechanism, to seal this hydraulic actuation drift, and/or this bearing can be arranged in this through hole.
Such sealing mechanism can be disposed in the groove in hydraulic actuation drift, drift base portion and/or bearing, to seal described through hole and this tool body.
In one embodiment, this instrument can comprise multiple impact unit.
In another embodiment, this instrument can comprise multiple impact unit and multiple bearing.
In addition, described piston can move in the hollow space being limited by the base portion of described hydraulic actuation drift or described hydraulic actuation drift, and described piston is connected with described bearing by piston rod.
In addition, this piston can move in the hollow space being limited by bearing, and this piston can be connected with this hydraulic actuation drift by piston rod.
In addition, described hydraulic actuation drift can be connected with described piston by piston rod with the one in described bearing, and the another one in described hydraulic actuation drift and described bearing can have the end that is arranged in this tool body inside, described end comprises flange, and can arrange elastic component between described piston and described flange.
In addition, a stop element can be arranged to and described hydraulic actuation drift and described bearing connection/associated, to avoid described hydraulic actuation drift to separate with described bearing.
In addition, this bearing can be fixedly connected with this tool body.
This bearing can extend radially from tool body.
In one embodiment, described stop element can be arranged to be connected with described fluid intake.
In addition, this fluid intake can be connected with one or more fluid passages that are communicated with the pressure side fluid of piston.
Distance between retracted position and the extended position of drift can be for 3mm, be preferably greater than 10mm, more preferably greater than 20mm, be most preferably greater than 100mm.
In addition, this drift can comprise and is suitable for the sharpened surface that in the moving process from retracted position to extended position, metal sleeve broken at hydraulic actuation drift.
In addition, this bearing can comprise " bending " (protruding) face being suitable in impact process against the inner surface of this tubular metal sleeve pipe.
In addition, this bearing can comprise attached element, makes described of this bearing can change with respect to the inner surface of this metal sleeve.
In one embodiment, this instrument can comprise the electro-motor that drives described pump.
In addition, this instrument can comprise for holding for being injected in this aperture hydraulic actuation drift is moved to the fluid reservoir of the fluid of extended position, for holding for being injected in this inflatable packer so that this inflatable packer from the fluid reservoir of this tool body expansion and the fluid that expands, and/or for holding the fluid reservoir for be injected into the fluid that is isolated section of this sleeve pipe by described one or more injection nozzles.
In addition, described fluid reservoir can be a common fluid reservoir.
In addition, described hydraulic actuation drift can be the drift that is suitable for providing pit in metal sleeve.
In addition, described hydraulic actuation drift can be the drift with rounded edges.
In addition, this hydraulic actuation drift can be pin punch, centre punch, tapered punch, broad chisel, cape chisel, cup head cutter or their combination.
In addition, this hydraulic actuation drift can be to be suitable for stopper to be arranged in the perforation of down-hole casing with perforated drift described in sealing.
Therefore, if annular barrier or packer break, the entrance that leads to so annular barrier or packer can be sealed, to avoid fluid flow out and enter stratum by defective annular barrier or packer from sleeve pipe.Therefore, by stopper being arranged in the entrance of defective annular barrier or packer, remaining annular barrier or packer still can by from top to well pressurization or by comprising of well defective annular barrier or packer section pressurization expand.
In addition, described drift can have stopper and can be arranged in chamber wherein.
In one embodiment, described hydraulic actuation drift also can be suitable for before perforation, keeping described stopper described in this stopper is arranged on, with perforation described in this stopper being put in the time that described hydraulic actuation drift is moved to extended position, and in the time that being moved to complete extended position, described hydraulic actuation drift makes this stopper distortion.
In addition, multiple protuberances that the chamber of drift can have circumferential protuberance or match with the circumferential recess in this stopper.
By adopting the protuberance matching with the groove of described stopper, described stopper can be held in place before being inserted into, and after described eyelet is blocked, this stopper is fixed in this eyelet, makes the power that described stopper is fixed in this eyelet be greater than the power that can make this stopper separate with described drift.Therefore,, in the time that this stopper has been washed in eyelet, this stopper easily separates with drift.
The invention still further relates to a kind ofly for the method for eyelet or pit is provided at down-hole metal sleeve, comprise the following steps:
-in the metal sleeve of described down-hole, provide percussion tool as above;
-the described impact unit of described percussion tool is positioned to the position of eyelet to be supplied or pit;
The described bearing that-location is circumferentially relatively arranged around this tool body and described hydraulic actuation drift, make described bearing in the position circumferential relative with described hydraulic actuation drift against casing wall; With
-described hydraulic actuation drift is radially moved to extended position from retracted position, thus eyelet or pit in described metal sleeve, provided by the described hydraulic actuation drift in extended position.
In addition, described hydraulic actuation drift can radially move, to provide eyelet in this metal sleeve, the method is further comprising the steps of: described spacer assembly is radially expanded from this tool body, the zone isolation of the section of described down-hole casing is provided thus; With inject fluid in the section of being isolated by described spacer assembly of described sleeve pipe, force thus fluid through the eyelet that provides in this sleeve pipe.
In addition, described hydraulic actuation drift can radially move, to provide pit in described metal sleeve, the method also comprises electronic installation is arranged in to the step in described pit or eyelet, described electronic installation comprises radio frequency identification (RFID) chip, RF tag (RFT) and/or one or more sensor, such as temperature pick up.
Finally, the present invention relates to a kind ofly for for example Lee-plug of stopper being installed to the method in the perforation of down-hole casing, the method comprises the following steps:
-percussion tool as above is provided in described down-hole casing;
-the described impact unit of described percussion tool is positioned to the position relative with described perforation;
The described bearing that-location is circumferentially relatively arranged around this tool body and described hydraulic actuation drift, make described bearing in the position circumferential relative with described hydraulic actuation drift against casing wall;
-described hydraulic actuation drift is radially moved to extended position from retracted position, with described in described stopper is placed in perforation; With
-described hydraulic actuation drift is moved to complete extended position, make thus described stopper be out of shape to fix perforation described in described stopper and sealing.
In one embodiment, a part for described stopper can be by plastic strain.
Accompanying drawing explanation
Describe in more detail the present invention and many advantages thereof below with reference to appended schematic diagram, described schematic diagram only shows some nonrestrictive embodiment for illustrative purposes, wherein:
Fig. 1 shows the percussion tool in sleeve pipe;
Fig. 2 shows the partial sectional view of percussion tool;
Fig. 3 shows the partial sectional view of another embodiment of percussion tool;
Fig. 4 shows another embodiment of the percussion tool in sleeve pipe;
Fig. 5 shows another embodiment of the percussion tool in sleeve pipe;
Fig. 6 shows another embodiment of the percussion tool in sleeve pipe;
Fig. 7 shows the partial sectional view that extends axially length along this instrument of another embodiment of percussion tool;
Fig. 8 shows the partial sectional view of the radially development length that extends axially length perpendicular to instrument along instrument of another embodiment of percussion tool;
Fig. 9 shows the partial sectional view for the percussion tool of pit is provided at down-hole casing;
Figure 10 shows the sectional view of sleeve pipe, wherein electronic installation is fixed in pit;
Figure 11 shows the partial sectional view of the percussion tool of the spacer assembly that comprises the zone isolation for sleeve pipe section is provided;
Figure 12 shows and comprises for by the partial sectional view of the percussion tool of the injection nozzle that is isolated section of fluid sprue bushing; With
Figure 13 shows and comprises the partial sectional view that is suitable for stopper to be arranged on the percussion tool of the hydraulic actuation drift in the perforation in down-hole casing.
All accompanying drawings are highly schematic, may not draw in proportion, and they only show and illustrate those parts essential to the invention, omit or only implied other parts.
The specific embodiment
Fig. 1 is illustrated in the percussion tool 1 of just having gone out eyelet 2a in the sleeve pipe 3 in well 4.Percussion tool 1 comprises having the tool body 5 of length of extending axially 6, the impact unit 11 that comprises the hole 27a being arranged in this tool body and hydraulic actuation drift 9, this hydraulic actuation drift 9 can move between retracted position and extended position, with can wash out sleeve pipe 3 wall 13 piece section 12 or in the wall 13 of sleeve pipe 3, provide pit.Hydraulic actuation drift also can be used for power to be applied to target in down-hole such as stopper, for example to clog the eyelet in sleeve pipe.Hydraulic actuation drift 9 is arranged in along with respect to the extending axially in the length aperture 27a that direction is radially extended substantially of tool body, thereby and is provided with the fluid intake 26 that is communicated with described aperture fluid and in this aperture, activates this hydraulic actuation drift so that fluid can be injected into.This impact unit also comprises bearing 10, this bearing around this tool body relatively hydraulic actuation drift circumferentially arrange with against casing wall, thereby the power being produced by the fluid that injects described aperture is applied to hydraulic actuation drift and is used for radially moving this hydraulic actuation drift.This bearing and this tool body are permanently connected.
In one embodiment, percussion tool also comprises two spacer assemblys 70 of zone isolation for sleeve pipe section 75 is provided and for fluid being injected to the multiple injection nozzles 80 that are isolated section of described sleeve pipe, as shown in Figure 11-12.Spacer assembly 70 is located along this tool body around tool body and on the opposite side of impact unit, and can radially expand from tool body.In the time that spacer assembly 70 is expanded, their disrance sleeve sections 75, thus zone isolation is provided.Spacer assembly 70 can or well known by persons skilled in the artly form for any other mechanism that sealing is provided between the inwall at sleeve pipe and tool body by inflatable packer, swellable packer, compression or cup packer, other downhole packer, recoverable packer and their combination.Injection nozzle 80 is arranged between spacer assembly 70, allows fluid being isolated in section 75 by injection nozzle sprue bushing.
Percussion tool 1 is dipped in well and by cable/steel wire 14 and is powered/provides power, and this cable is connected with instrument by cable connector 15.Percussion tool 1 comprises the motor 17 being connected with cable connector 15 by ministry of electronics industry's section 16 and the pump 18 being driven by this motor, and wherein this pump is fed to aperture 27a through fluid intake 26 by pressure fluid, so that hydrodynamic pressure activates drift 9.In one embodiment, this pump is also communicated with spacer assembly 70 fluids that are made up of inflatable packer.Therefore, inflatable packer expands and expansion from tool body to inflatable packer by pump accommodating fluid.In another embodiment, pump is communicated with injection nozzle 80 fluids by the conduit 83 that extends axially length extension along percussion tool, as shown in the dotted line in Figure 11.This pump is also connected to by fluid the entrance 81 being arranged in percussion tool, and fluid can be drawn into from percussion tool annulus 82 around by pump thus.The fluid being drawn into from annulus can be supplied to injection nozzle 80 by conduit 83 subsequently and be injected into the section that is isolated of sleeve pipe.When eyelet 2a is arranged in the wall that is isolated section of sleeve pipe and when fluid is injected continuously this section, the fluid in this section will be discharged by this eyelet 2a, as shown in figure 12.Eyelet 2a, 2c can be existing eyelet 2c or the eyelet 2a that provides by percussion tool, and this sleeve pipe also can have multiple eyelets, and fluid can inject by these eyelets.
In Fig. 2, hydraulic actuation drift 9 limits hollow space 19a, is wherein furnished with piston 20, makes hydraulic actuation drift 9 to move to its extended position from its retracted position, therefore plays the effect of hydraulic shock cylinder.Hydraulic actuation drift 9 is in the interior movement in expansible space 31 mainly being limited by aperture 27a.At one end, hydraulic actuation drift 9 has the impact end 21a for eyelet is provided at metal sleeve, in opposite end, is provided with the flange 22 extending towards the piston rod 23 of piston.Between flange 22 and piston, be furnished with elastic component 24, when hydraulic actuation drift is during in its extended position, this elastic component is compressed.In another embodiment, can or be suitable for providing pit from one end of the extended hydraulic actuation drift of this tool body metal sleeve, as shown in Figure 9.For providing the hydraulic actuation drift of pit to have at metal sleeve to be substantially similar to pin punch, centre punch, tapered punch, broad chisel, cape chisel, cup head cutter and their combination or well known by persons skilled in the art for the shape of any other shape of pit is provided.
In addition, in another embodiment, hydraulic actuation drift is suitable for stopper 61 to be arranged in the existing eyelet 2c in sleeve pipe, as shown in figure 13.Hydraulic actuation drift is suitable for maintaining this stopper before installing and stopper is placed in perforation by hydraulic actuation drift being moved to extended position.After in stopper being placed on to eyelet 2c, this stopper can be out of shape to complete extended position by being moved further hydraulic actuation drift, thus this stopper be fixed in this eyelet and this eyelet sealed.This stopper can be the stopper that is suitable for any kind of the eyelet in sealed well setting of casing, such as the stopper of being sold with trade (brand) name Lee Plug by Lee company.The special feature of Lee Plug is only to need radial load that stopper is installed, and therefore such stopper can be installed by percussion tool according to the present invention.
Clogging after eyelet, hydraulic actuation drift can further move radially the position of further stretching out from tool body, forces described stopper further outwards and makes casing wall distortion, makes described stopper can not reduce the internal diameter of sleeve pipe.In this way, stopper clogs eyelet and be used for providing pit in casing wall.
The pump 18 being shown in broken lines in Fig. 2 is provided to fluid in expansible space 31 through entrance 26 via fluid passage 25, to radially outwards promote hydraulic actuation drift from tool body 5.In the time completing impact process, pump stops pumping fluid into this expansible space 31, and fluid is forced to and is got back to fluid passage 25 by the decompression power of elastic component 24.In groove 29 in the 27a of the aperture of tool body, be furnished with sealing mechanism 28, activate drift 9 with sealed hydraulic.
By hydraulic actuation drift is provided, compared with mechanically actuated scheme of the prior art, impact force can significantly increase.In addition, test has shown that eyelet in sleeve pipe can be made into and has higher precision and this otch is more neat, stays burr hardly at edge.Scheme of the prior art leaves a large amount of burrs at edge, hinder in the operation below valve is inserted in eyelet.If eyelet is made into make sleeve pipe to well fluids such as hydrocarbon, open also referred to as becoming a mandarin of oil and/or gas, burr hinders optimum inflow, produces larger turbulent flow in burr side in eyelet front.
In Fig. 3, bearing 10 is also protruding from tool body 5 and therefore it is arranged in the second aperture 32 being arranged on tool body slidably, activate bearing 10 by fluid being injected to the second aperture 32, this bearing 10 radially moves with respect to extending axially length thus.This bearing has hollow space 33, the second pistons 34 and moves in this hollow space, thus at piston be arranged between the second flange 36 in one end that the external surface with the bearing against this internal surface of sleeve pipe of bearing is relative and compress the second elastic component 35.By make pump by fluid via second fluid passage 37 be pumped into expansible space 38 by the second entrance 39 fluid is injected to the second aperture 32.Therefore pump can activate drift 9 and bearing 10 with movable hydraulic by accommodating fluid, and the fluid passage 25,37 that supplies fluid to hydraulic actuation drift 9 and bearing 10 can be a passage.
As described in Figure 6, percussion tool 1 also can comprise toward each other and the 3rd impact unit 11c and the 4th impact unit (not shown) between the first and second impact unit.Described the third and fourth impact unit has the design that is similar to previously described impact unit the effect of relative to each other playing bearing.Each impact unit is circumferentially arranging with the angular displacement of 90 ° along percussion tool therefore.In addition, described the third and fourth impact unit axial direction displacement along percussion tool with respect to described the first and second impact unit.Therefore percussion tool shown in Fig. 5 comprises isolated 10 impact unit, and with optimization tool length, and all impact unit can be supplied fluid through identical passage or through some passages from same pump.
In another embodiment shown in Fig. 7, hydraulic actuation drift and bearing are arranged in through hole 27b.As shown in the figure, bearing 10 and hydraulic actuation drift 9 are bonded with each other, and form the expansible space 31 that two common fluids connect.Therefore bearing and hydraulic actuation drift radially away from each other mobile produce moving radially of bearing and hydraulic actuation drift.The piston 20 being arranged on piston rod 23 is disposed in each expansible space 31, and piston rod 23 is connected with bearing 10 by screw 41.Hydraulic actuation drift 9 is connected with the drift base portion 42 of a part that limits each expansible space 31, and drift base portion 42 is threaded with two inserts 40 again.Piston can move in each expansible space 31.Insert 40 all has flange 22, and in the time that hydraulic actuation drift and bearing stretch out from tool body, described flange is compression elastic piece 24 together with piston.Force hydraulic actuation drift 9 and bearing 10 away from each other by means of the fluid being pumped to by fluid passage 25 in expansible space 31, and fluid is imported into expansible space by circumferential recess 43, circumferential recess 43 guides fluid to enter and enter cylinder thorax 44 by entrance 26.Be furnished with therein in the groove 29 in the through hole 27b of hydraulic actuation drift and bearing and be furnished with sealing mechanism 28, to prevent that fluid from leaking in instrument annulus 82 around.
In order to make hydraulic actuation drift 9 and bearing 10 secured to one another, be arranged to run through hydraulic actuation drift and bearing as the hollow stem 45 of stop element.Both include and allow hydraulic actuation drift 9 and bearing 10 relative to this bar and the elongated open that moves relative to each other.This bar is hollow, can guide fluid and to have the opening for fluid is entered, thus fluid is introduced in expansible space 31.Therefore fluid intake 26 is positioned at the center of described impact unit.
In another embodiment shown in Fig. 8, impact unit 11 is rotated 90 degree with respect to the impact unit shown in Fig. 7.Otherwise the impact unit shown in the impact unit shown in Fig. 8 and Fig. 7 has essentially identical design.But in Fig. 8, impact unit has the fluid passage 46 in drift base portion 42, fluid is directed to the one end in each expansible space 31 from hollow stem 45, make fluid be injected into expansible space, act directly on piston.Thus, the initial movable of hydraulic actuation drift 9 and bearing 10 needs less fluid energy.
In Fig. 7 and 8, a part for hydraulic actuation drift 9 engages with a part for bearing 10, to control the moving radially between retracted position and extended position of hydraulic actuation drift.Bearing 10 has the director element 50 radially extending, and this director element engages with the guide rail 51 radially extending of hydraulic actuation drift 9.Thus, hydraulic actuation drift 9 engages with bearing 10 in its outside, otherwise or, to control the moving radially between retracted position and extended position of hydraulic actuation drift 9.In Fig. 8, in the groove in drift base portion 42 and bearing, be furnished with sealing mechanism 28, to seal through hole 27b and tool body 5.
Described percussion tool can be used to the small perforations that impact diameter is only less than the diameter of this hydraulic actuation drift, and therefore this eyelet is made up of the end of hydraulic actuation drift.In the time using bilayer sleeve, and in the time that inner sleeve is blocked in bottom, may be necessary to make little escape orifice and even enters inner sleeve upwards to urge fluid through the downward pump gas of outer tube.Such escape orifice may be also necessary for the pressure between balancing sleeve and annulus.In the time manufacturing escape orifice, the piece section of sleeve pipe does not separate and can in annulus, not flow freely with the remainder of sleeve pipe.
Described percussion tool has some bearings and a hydraulic actuation drift, and they are all hydraulic actuations, makes described bearing be positioned on the both sides of hydraulic actuation drift and extend radially, until hydraulic actuation drift presses the inwall of sleeve pipe.Subsequently, hydraulic actuation drift activated and cuts in casing wall, and without mobile certain length before arriving inner sleeve tube wall.By this way, and must be before arriving inner sleeve tube wall compared with the situation of mobile certain length, hydraulic actuation drift can penetrate thicker sleeve pipe.
Described hydraulic actuation drift can be the drift of any kind, for example, comprise the drift that makes the sharp-pointed face that metal sleeve breaks in the process that is suitable for moving from retracted position to extended position at hydraulic actuation drift.
As shown in the figure, described bearing has bending convex surface, and this convex surface is suitable for the inner surface against tubular metal sleeve pipe in impact process.Described bearing can comprise attached element, makes described of bearing can change with respect to the inner surface of metal sleeve.Therefore seating plane can change over band tooth surface or similar designs, with can be in punching fastened tools better.
The pump of instrument extracts fluid through filter from well, but this instrument alternately comprises fluid reservoir, or this fluid can be introduced from ground by the also cable for supply lines.
Hereinafter, will the use of percussion tool be described in more detail.In Fig. 9, percussion tool comprises the hydraulic actuation drift 9 for pit 2b is provided at down-hole casing.When percussion tool has been inserted in sleeve pipe and impact unit when the position at pit to be supplied in place, be located so that with the bearing 10 of the circumferential positioned opposite of hydraulic actuation drift it is against sleeve pipe.Subsequently, hydraulic actuation drift moves radially extended position from retracted position, thereby provides pit in metal sleeve.When providing after pit, hydraulic actuation drift is retracted in tool body, and electronic installation 60 is fixed in this pit, as shown in figure 10.Described electronic installation can have several functions and can comprise radio frequency identification (RFID) chip, RF tag (RFT) and/or one or more sensor, such as temperature pick up.
In Figure 11, described percussion tool comprises being used in provides the hydraulic actuation of eyelet 2a drift 9 in down-hole casing.When percussion tool has been inserted in sleeve pipe and this impact unit when the position at eyelet to be supplied in place, be located so that with the bearing 10 of the circumferential positioned opposite of hydraulic actuation drift it is against sleeve pipe.Spacer assembly 70 is also from tool body expansion, thus the section of Sealed casing pipe 75.Subsequently, hydraulic actuation drift radially moves to extended position from retracted position, thereby eyelet 2a is provided in metal sleeve.In the time providing eyelet, hydraulic actuation drift is by the power retraction tool main body by applying at the elastic component shown in previously mentioned figure.When impacting and portal at the moment in sleeve pipe, spacer assembly 70 is also expanded the section 75 with Sealed casing pipe.In the time impacting eyelet and sleeve pipe section and be isolated, fluid is injected in the sleeve pipe section of being isolated by spacer assembly, as shown in figure 12.Thus, force being isolated the fluid that exists in section through the eyelet 2a in sleeve pipe and entering in ring-shaped screen barrier 90.Therefore described percussion tool can be used for making annular barrier expansion or sets up the pressure in annular barrier, for example, make annular barrier further expand.Other injection object that described percussion tool also can be used for it may occur to persons skilled in the art that, for example expand for the annular barrier that makes inflatable packer or other type, for inserting sleeve pipe backlash brush annulus, for acidification is carried out in the stratum of outside of sleeve, or for hydraulic crushing object.
In Figure 13, described percussion tool comprises the hydraulic actuation drift 9 for stopper 61 is installed in the existing eyelet 2c of sleeve pipe.Exist defect at the annular barrier of a part that forms a series of annular barriers, this function can be of great importance.If for example annular barrier breaks in the expansion process shown in Figure 13, if or annular barrier is because other reason is leaked, annular barrier can be defectively, and enters stratum so that therefore the fluid that a series of annular barrier expands will flow through defective annular barrier in Injection Well.Therefore, a series of annular barriers can not expand, because by not reaching the pressure of needs from top to well pressurization or by pressurizeing to the section that comprises defective annular barrier of well.But, inserting stopper 61 by leading in formation in the existing eyelet 2c of entrance of defective annular barrier, sealed and remaining the annular barrier of defective annular barrier still can expand.
In order stopper to be arranged in existing eyelet 2c, perforated exact position must be known, and operating personnel must be positioned at percussion tool correct position drift is installed.In order to be conducive to the location of percussion tool, sleeve pipe and percussion tool near annular barrier can be provided with relevant markup tags 91 and markup tags recognition device 92.Markup tags 91 can be arranged on sleeve pipe and markup tags recognition device 92 can be arranged on percussion tool, or with much the same alternate manner.Markup tags 91 can be radio frequency identification (RFID) chip, RF tag (RFT) or any other device that is suitable for transmitt or receive signal well known by persons skilled in the art, and markup tags recognition device 92 can be sensor or receiver well known by persons skilled in the art, for detection of markup tags 91 with respect to any kind of the position of percussion tool.In one embodiment, markup tags 91 and markup tags recognition device 92 can be replaced by mechanical positioner, and percussion tool breech locked is determined the correct location of percussion tool with respect to existing eyelet 2c in sleeve pipe thus.
When percussion tool has been inserted in sleeve pipe and impact unit has been located so that piston is with to be sealed when perforation is relative, be arranged to hydraulic actuation drift circumferentially relative bearing 10 be positioned such that it is against sleeve pipe.Subsequently, hydraulic actuation drift radially moves to extended position from retracted position, make stopper be disposed in eyelet and this eyelet sealed.The installation of stopper can apply larger radial load to this stopper, so that a part of plastic strain of stopper.In order to apply larger radial load to stopper, hydraulic actuation drift is movable to complete extended position, makes thus this stopper distortion.
After stopper being arranged in the existing eyelet 2c that forms the entrance that leads to defective annular barrier, defective annular barrier is sealed.Thus, can again exert pressure to make remaining annular barrier to expand to well, because the fluid being injected into can not leak by defective annular barrier.
In another embodiment, described percussion tool can comprise multiple impact unit, wherein one or more impact unit comprise the hydraulic actuation drift that is suitable for providing eyelet in sleeve pipe, and one or more other impact unit comprises the hydraulic actuation drift that is suitable for installing stopper.Therefore described percussion tool can be arranged on stopper and seal as mentioned above eyelet and new eyelet is provided near sealed eyelet in perforation.Or percussion tool can provide new eyelet, expand perforation or finishing fracture, seal perforation or fracture to allow that stopper is installed.
Fluid or well fluids refer to the fluid that can be present in any type in oil well or gas well well, as natural gas, oil, oil-base mud, crude oil, water etc.Gas refers to the gas component that is present in any type in well, completion or open hole, and oil refers to the oil ingredient of any type, such as crude oil, containing flow of oil etc.Therefore gas, oil and aqueous fluid can comprise other element or the material except gas, oil and/or water respectively.
Sleeve pipe refer to use in down-hole produce the pipe, pipeline, tube-like piece, bushing pipe, tubing string etc. of relevant any type with oil or natural gas.
The in the situation that of in this instrument is not immersed sleeve pipe completely, can described instrument be pushed to the position in well completely by downhole tractor.Downhole tractor is the driven tool that can promote or pull in down-hole any type of instrument, for example
Although in conjunction with the preferred embodiments of the present invention, invention has been described above, the some modification that can expect under not deviating from as the situation of the present invention that claim limited are below apparent to those skilled in the art.
Claims (25)
1. one kind for providing the percussion tool (1) of eyelet (2a) or pit (2b) in the metal sleeve (3) of well (4), comprising:
-there is the tool body (5) of the length of extending axially (6); With
-the impact unit (11) that is connected with this tool body, comprising:
-being arranged on the aperture (27a) in this tool body, radially extend substantially with respect to the described length that extends axially in described aperture;
-the fluid intake (26) that is communicated with this aperture fluid; With
-being arranged in the hydraulic actuation drift (9) in this aperture, described hydraulic actuation drift can move between retracted position and extended position;
Wherein by fluid is injected in described aperture and makes described hydraulic actuation drift move to described extended position through described fluid intake.
2. percussion tool according to claim 1, also comprise around this tool body and on the opposite side of this percussion tool and extend axially length two spacer assemblys (70) arranged spaced apart along this, described spacer assembly can radially be expanded from this tool body, the zone isolation of the section (75) of down-hole casing is provided thus, and wherein this percussion tool also comprises one or more injection nozzles (80) of the section of being isolated by described spacer assembly for fluid being injected to described sleeve pipe, and described injection nozzle is arranged between described spacer assembly.
3. percussion tool according to claim 2, also comprise the pump (18) of arranging explicitly with this tool body, this pump is connected to described fluid intake, for hydraulic fluid being fed to described aperture, thereby this hydraulic actuation drift is moved to described extended position.
4. percussion tool according to claim 3, wherein, described spacer assembly is made up of inflatable packer, by make described inflatable packer expand and expansion from this tool body to the pump of described inflatable packer accommodating fluid.
5. according to the percussion tool described in claim 3 or 4, wherein, described pump is communicated with described one or more injection nozzle fluids, and this pump is suitable for through described one or more injection nozzles, fluid being injected in the section of being isolated by described spacer assembly of described sleeve pipe.
6. percussion tool according to claim 5, also comprise that fluid connects the entrance (81) of described pump and described percussion tool annulus (82) around, wherein this pump is suitable for being injected in the section of being isolated by described spacer assembly of described sleeve pipe through described one or more injection nozzles from this annulus pumping fluid and by the fluid from this annulus.
7. according to percussion tool in any one of the preceding claims wherein, wherein, described impact unit comprises around this tool body and the circumferential bearing (10) of relatively arranging of described hydraulic actuation drift.
8. percussion tool according to claim 7, wherein, a part for described hydraulic actuation drift engages with a part for this bearing, to control the moving radially between described retracted position and described extended position of described hydraulic actuation drift.
9. according to the percussion tool described in claim 7 or 8, wherein, one in described hydraulic actuation drift and described bearing comprises one or more director elements (50) that radially extend, and the another one in described hydraulic actuation drift and described bearing comprises one or more guide rails (51) that radially extend, described guide rail is suitable for engaging with described director element, to control the moving radially between described retracted position and described extended position of described hydraulic actuation drift.
10. according to the percussion tool described in any one in claim 7-9, wherein, described hydraulic actuation drift and described bearing limit an expansible space (31).
11. percussion tools according to claim 10, wherein, described impact unit also comprises piston (20) and elastic component (24), in the time that described hydraulic actuation drift is moved to described extended position, this elastic component is compressed.
12. according to percussion tool in any one of the preceding claims wherein, and wherein, described hydraulic actuation drift and described bearing are arranged in the through hole (27b) in this tool body.
13. according to percussion tool in any one of the preceding claims wherein, and wherein, described instrument comprises multiple impact unit (11,11b, 11c).
14. according to the percussion tool described in any one in claim 11-13, wherein, hollow space (the 19a that described piston can limit at the base portion (42) by described hydraulic actuation drift or described hydraulic actuation drift, mobile 19b), wherein said piston is connected with described bearing by piston rod (23).
15. according to the percussion tool described in any one in claim 11-14, wherein, described hydraulic actuation drift is connected with described piston by piston rod (23) with the one in described bearing, and the another one in described hydraulic actuation drift and described bearing has the end that is arranged in this tool body inside, described end comprises flange (22), and arranges elastic component (24) between described piston and described flange.
16. according to percussion tool in any one of the preceding claims wherein, and wherein, a stop element (45) is arranged to be connected with described hydraulic actuation drift and described bearing, to avoid described hydraulic actuation drift to separate with described bearing.
17. percussion tools according to claim 16, wherein, described stop element is arranged to be connected with described fluid intake.
18. according to percussion tool in any one of the preceding claims wherein, and wherein, described hydraulic actuation drift is for being suitable for providing the drift of pit in metal sleeve.
19. percussion tools according to claim 18, wherein, described hydraulic actuation drift is pin punch, centre punch, tapered punch, broad chisel, cape chisel, cup head cutter or their combination.
20. according to percussion tool in any one of the preceding claims wherein, and wherein, described hydraulic actuation drift is arranged in the perforation (2c) in down-hole casing stopper (61) to seal this perforated drift for being suitable for.
21. percussion tools according to claim 20, wherein, described hydraulic actuation drift is also suitable for keeping described stopper before this stopper being arranged in perforation, this stopper is placed on to this in the time that described hydraulic actuation drift is moved to extended position in perforation and make this stopper distortion in the time that described hydraulic actuation drift is moved to complete extended position.
22. 1 kinds for providing the method for eyelet or pit at down-hole metal sleeve, comprise the following steps:
-in the metal sleeve of described down-hole, provide according to the percussion tool described in any one in claim 1-19;
-the described impact unit of described percussion tool is positioned to the position of eyelet to be supplied or pit;
The described bearing that-location is circumferentially relatively arranged around this tool body and described hydraulic actuation drift, make described bearing in the position circumferential relative with described hydraulic actuation drift against casing wall; With
-described hydraulic actuation drift is radially moved to extended position from retracted position, thus eyelet or pit in described metal sleeve, provided by the described hydraulic actuation drift in extended position.
23. methods according to claim 22, wherein, described hydraulic actuation drift radially moves, and to provide eyelet in this metal sleeve, the method is further comprising the steps of:
-described spacer assembly is radially expanded from this tool body, the zone isolation of the section (75) of described down-hole casing is provided thus; With
-inject fluid in the section of being isolated by described spacer assembly of described sleeve pipe, the eyelet of fluid through providing in this sleeve pipe is provided thus.
24. methods according to claim 22, wherein, described hydraulic actuation drift radially moves, and to provide pit in described metal sleeve, the method is further comprising the steps of:
-electronic installation (60) is arranged in described pit or eyelet, described electronic installation comprises radio frequency identification (RFID) chip, RF tag (RFT) and/or one or more sensor, such as temperature pick up.
25. 1 kinds for being installed to for example Lee-stopper of stopper the method in the perforation of down-hole casing, and the method comprises the following steps:
-in described down-hole casing, provide according to the percussion tool described in any one in claim 20-21;
-the described impact unit of described percussion tool is positioned to the position relative with described perforation;
The described bearing that-location is circumferentially relatively arranged around this tool body and described hydraulic actuation drift, make described bearing in the position circumferential relative with described hydraulic actuation drift against casing wall;
-described hydraulic actuation drift is radially moved to extended position from retracted position, with described in described stopper is placed in perforation; With
-described hydraulic actuation drift is moved to complete extended position, make thus described stopper be out of shape to fix perforation described in described stopper and sealing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11183494A EP2574721A1 (en) | 2011-09-30 | 2011-09-30 | A punching tool |
| EP11183494.1 | 2011-09-30 | ||
| PCT/EP2012/069084 WO2013045550A1 (en) | 2011-09-30 | 2012-09-27 | A punching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103797212A true CN103797212A (en) | 2014-05-14 |
Family
ID=46924462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280044906.2A Pending CN103797212A (en) | 2011-09-30 | 2012-09-27 | A punching tool |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20140374100A1 (en) |
| EP (2) | EP2574721A1 (en) |
| CN (1) | CN103797212A (en) |
| AU (1) | AU2012314450A1 (en) |
| BR (1) | BR112014005115A2 (en) |
| CA (1) | CA2848818A1 (en) |
| MX (1) | MX2014003023A (en) |
| RU (1) | RU2014114427A (en) |
| WO (1) | WO2013045550A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429551A (en) * | 2015-03-03 | 2017-12-01 | 韦尔泰克有限公司 | Underground stroke instrument |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014060293A2 (en) * | 2012-10-16 | 2014-04-24 | Maersk Olie Og Gas A/S | Sealing apparatus and method |
| EP2818630A1 (en) * | 2013-06-26 | 2014-12-31 | Welltec A/S | A gas lift system and a gas lift method |
| US9394768B2 (en) * | 2013-09-30 | 2016-07-19 | Passerby Inc. | Hydromecanical piercing perforator and method of operation thereof |
| US10287860B2 (en) * | 2013-11-14 | 2019-05-14 | Halliburton Energy Services, Inc. | Downhole mechanical tubing perforator |
| MX2018014397A (en) * | 2016-06-07 | 2019-03-14 | Welltec As | Downhole operational tool. |
| AU2019274220B2 (en) * | 2018-05-25 | 2021-08-19 | Aarbakke Innovation, As | Method for modifying installed wellbore flow control devices |
| EP3663509A1 (en) * | 2018-12-06 | 2020-06-10 | Welltec A/S | Downhole tool with long projecting extension |
| WO2020229440A1 (en) * | 2019-05-15 | 2020-11-19 | Shell Internationale Research Maatschappij B.V. | Punch and inject tool for downhole casing and method for use thereof |
| WO2024110292A1 (en) * | 2022-11-22 | 2024-05-30 | Shell Internationale Research Maatschappij B.V. | A method of installing a permanent downhole sensor |
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- 2012-09-27 BR BR112014005115A patent/BR112014005115A2/en not_active IP Right Cessation
- 2012-09-27 EP EP12762624.0A patent/EP2761128A1/en not_active Withdrawn
- 2012-09-27 CA CA2848818A patent/CA2848818A1/en not_active Abandoned
- 2012-09-27 WO PCT/EP2012/069084 patent/WO2013045550A1/en active Application Filing
- 2012-09-27 US US14/344,473 patent/US20140374100A1/en not_active Abandoned
- 2012-09-27 CN CN201280044906.2A patent/CN103797212A/en active Pending
- 2012-09-27 AU AU2012314450A patent/AU2012314450A1/en not_active Abandoned
- 2012-09-27 RU RU2014114427/03A patent/RU2014114427A/en not_active Application Discontinuation
- 2012-09-27 MX MX2014003023A patent/MX2014003023A/en not_active Application Discontinuation
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| US2457277A (en) * | 1941-08-01 | 1948-12-28 | Schlumberger Marcel | Well conditioning apparatus |
| US3720262A (en) * | 1971-01-21 | 1973-03-13 | D Grable | Method and apparatus for sub-surface deformation of well pipe |
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| CN107429551A (en) * | 2015-03-03 | 2017-12-01 | 韦尔泰克有限公司 | Underground stroke instrument |
| US10435977B2 (en) | 2015-03-03 | 2019-10-08 | Welltec A/S | Downhole stroking tool |
| CN107429551B (en) * | 2015-03-03 | 2020-04-14 | 韦尔泰克有限公司 | Downhole stroking tool |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2014114427A (en) | 2015-11-10 |
| MX2014003023A (en) | 2014-05-28 |
| AU2012314450A1 (en) | 2014-05-22 |
| US20140374100A1 (en) | 2014-12-25 |
| CA2848818A1 (en) | 2013-04-04 |
| EP2761128A1 (en) | 2014-08-06 |
| EP2574721A1 (en) | 2013-04-03 |
| BR112014005115A2 (en) | 2017-04-18 |
| WO2013045550A1 (en) | 2013-04-04 |
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