CN103562494A - A formation penetrating tool - Google Patents
A formation penetrating tool Download PDFInfo
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- CN103562494A CN103562494A CN201280026674.8A CN201280026674A CN103562494A CN 103562494 A CN103562494 A CN 103562494A CN 201280026674 A CN201280026674 A CN 201280026674A CN 103562494 A CN103562494 A CN 103562494A
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- flexible pipe
- centesis instrument
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- 230000000149 penetrating effect Effects 0.000 title abstract description 8
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- 239000003345 natural gas Substances 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/114—Perforators using direct fluid action on the wall to be perforated, e.g. abrasive jets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Abstract
The present invention relates to a formation penetrating tool submersible into a casing in a well for hydraulically penetrating a formation and having a longitudinal tool axis, comprising a tool housing, a supply hose, slidable in the tool housing, for supplying a high pressurised fluid to a nozzle, and the tool housing having an opening through which the supply hose and the nozzle are led to penetrate the formation, wherein the formation penetrating tool further comprises a pump arranged in the tool housing, the pump being in fluid communication with the supply hose for providing a jet of fluid out of the nozzle for penetrating the formation. Furthermore, the invention relates to a downhole system comprising a formation penetrating tool according to the invention and to a method for hydraulically penetrating a formation.
Description
Technical field
The present invention relates to a kind of can dive in the sleeve pipe in well hydraulically to puncture stratum there is the stratum Centesis instrument of longitudinal tool axis, this stratum Centesis instrument comprises: tool housing; Can in tool housing, slide, for supply with the supplying flexible pipe of high-pressure fluid to nozzle, and tool housing has opening, supply hose and nozzle are directed with puncture stratum through this opening.In addition, the present invention relates to a kind of comprising according to the downhole system of stratum of the present invention Centesis instrument and a kind of method for the stratum of hydraulically puncturing.
Background technology
When making formation fracture, so that while providing better the approaching of hydrocarbon reservoir, in the situation that vertically or radially form to break from sleeve pipe or the well in well, can obtain the Maximum Contact to reservoir.When breaking, there is all the time following risk: because stratum is at the position of its most fragile cracking, so break, from sleeve pipe, radially do not form.In the stratum of some types, even if fracturing fluid or perforation charging are radially imported in stratum, break and be also often parallel to sleeve pipe or well formation.
Summary of the invention
An object of the present invention is completely or partially to overcome above inferior position and the shortcoming of prior art.More specifically, an object of the present invention is to provide a kind of instrument that can realize more controlled rupture process.
By from below describe the above-mentioned purpose become apparent and many other objects, advantage and feature by according to the solution of the present invention by a kind of can dive to completing with the stratum Centesis instrument that hydraulically punctures stratum and there is longitudinal tool axis in the sleeve pipe in well, described stratum Centesis instrument comprises:
-tool housing,
-can in described tool housing, slide to nozzle, to supply with the supplying flexible pipe of high-pressure fluid, and
-described tool housing has opening, and this opening is for providing described supplying flexible pipe and described nozzle to the entering of the opening of sleeve pipe,
Wherein, described stratum Centesis instrument also comprises pump, and described pump is communicated with described supplying flexible pipe fluid, to be provided for the fluid jet described stratum, that flow out from described nozzle that punctures.
In one aspect, the pump of described down-hole Centesis instrument can be arranged in described tool housing, and described pump is communicated with described supplying flexible pipe fluid, to be provided for the fluid jet described stratum, that flow out from described nozzle that punctures.
Described nozzle can be connected to one end of described flexible pipe so that described flexible pipe finishes in described nozzle.
By pump is set in instrument, come the fluid of artesian well can be used as for the pressure fluid stratum of puncturing, that penetrate through described nozzle.Thereby, without supplying with described pressure fluid through the long lines of extending from surface.This has simplified described instrument because described instrument can be only by cable dive in well.Be not that all boring towers are all equipped with this pipeline and need in these cases to order special ship.Because cable exists all the time, therefore always can get involved well by cable instrument, and thereby cable operation faster and more cheap.Pump is set in instrument rather than in surface to be made to get involved by cable.
On the other hand, described stratum Centesis instrument can by cable or by pipe fitting if coil pipe or drilling rod dive are in well inner sleeve.
In one embodiment, can arrange for the holding unit of predetermined thrust is provided to described supplying flexible pipe, make described supplying flexible pipe and thus described nozzle during puncturing, can be maintained at precalculated position.
Thereby described holding unit can be forcer, to prevent that described flexible pipe from being urged rearward when the fluid spraying for the described stratum of puncturing.
In another embodiment, described predetermined thrust can at least be equal to or greater than the pressure of the high-pressure fluid at described nozzle place.
In addition, described holding unit can comprise the piston around described supplying flexible pipe.
Described piston can be annular piston.
In one embodiment, described piston can slidably be arranged in the piston/cylinder in described instrument.
In another embodiment, the some annular pistons around described supplying flexible pipe can be set.
According to stratum of the present invention Centesis instrument, also can comprise the sleeve pipe in hole puncture unit is provided in the wall that is adapted at described sleeve pipe.
In addition, described piston can be arranged in the piston shell that is arranged in tool housing.
In one embodiment, described sleeve pipe puncture unit can be arranged to be connected with described nozzle or around described nozzle.
In another embodiment, described nozzle can have provides the annular opening of tubular fluid jet (aperture).
In addition, described sleeve pipe puncture unit can be the charging (charge) of drift, drill bit or PUNCH GUN.
Described nozzle can have the first end being connected with described flexible pipe, and described sleeve pipe puncture unit can be arranged on the drift in second end relative with described first end of described nozzle.
In addition, described tool housing can comprise the induction element for described supplying flexible pipe is drawn from the opening of described tool housing.
In addition, described tool housing can comprise for guiding the guiding tube of described supplying flexible pipe.
And described instrument flexible pipe can slide in the fluid passage being communicated with described pump fluid.
In one embodiment, described supplying flexible pipe can be by armouring (armour).
The armouring of described supplying flexible pipe can be to be threaded into sheath (threading) is arranged in the wall of described flexible pipe.The described sheath/wear material can be made by metal, composite material, plastics or similar material of penetrating.
In addition, described supplying flexible pipe can comprise the plastic core such as Teflon core, or can be coated with Teflon or other antifriction material.
In addition, described high-pressure fluid can be well fluids.
In one embodiment, described tool housing can comprise the entrance for well fluids, and described entrance is communicated with described pump fluid.
Pump intake tolerable is set in described tool housing and sucks described instrument well fluids around.
In another embodiment, can arrange the strainer or the screen cloth that are connected with described entrance, to enter described pump in well fluids before, filter described well fluids.
According to stratum of the present invention Centesis instrument, also can comprise at least making described supplying flexible pipe along described longitudinal tool axis and the mobile device that moves transverse to described longitudinal tool axis.
Described mobile device can be to provide along the impactor of the impact of described longitudinal tool axis.
In another embodiment, described mobile device can be motor, and the first that described motor makes described instrument is with respect to the second portion rotation of described instrument or described supplying flexible pipe is moved with respect to stratum along described longitudinal tool axis.
In addition, the first of described instrument can be connected by axle with second portion.
And described instrument can comprise first and second portion, and described mobile device can make described first move with respect to described second portion, so that described supplying flexible pipe moves along described longitudinal tool axis with transverse to described longitudinal tool axis.
Thus, the first that can make described instrument moves along described longitudinal tool axis with respect to the second portion of described instrument, thereby described supplying flexible pipe is moved with respect to stratum along described longitudinal tool axis.The first of described instrument can comprise supplying flexible pipe, holding unit and pump, and the second portion of described instrument can comprise anchor portion.
Described stratum Centesis instrument also can comprise box (cartridge), and described box comprises the some geophones that are inserted in described eyelet.
According to stratum of the present invention Centesis instrument, also can comprise fluid reservoir.
And described fluid reservoir can comprise fluid and supply with.
In addition, described fluid can be the mixture of pressure fluid, acid, alkali or material.
In one embodiment, can arrange the fluid control device being connected with described fluid reservoir.Thus, realized and can disconnect or closed be communicated with the fluid of described fluid reservoir.
In addition, described instrument can comprise for described puncture unit being pressed against on the wall of described sleeve pipe or described moveable anchor being fixed on to the anchor portion on the inner surface of described sleeve pipe.
In another embodiment, described pump can pass through cable/steel wire or powered battery.
In another embodiment, described pump can be centrifugal pump, piston pump or water jet pump.
And described instrument can comprise device for pressure measurement.
In addition, described instrument can comprise electronic section.
In addition, described instrument can comprise for driving hydraulic motor or the electro-motor of described pump.
In addition, described instrument can comprise positioner, casing collar locator (CCL) for example, its be suitable for described sleeve pipe axially and/or footpath upwards by described tool positioned in described sleeve pipe.
In addition, described stratum Centesis instrument can comprise the entrance being communicated with described pump fluid, thereby makes well fluids can be used as high-pressure fluid.
In one embodiment, from the additional fluid of fluid reservoir, can be arranged in the Centesis instrument of described stratum via described supplying flexible pipe, and described nozzle can be imported in the stratum being punctured so that subsequent treatment is carried out in the stratum being punctured.
In another embodiment, described subsequent treatment can be the acid treatment that is used to form the more high surface area on the stratum being punctured.
In another embodiment, described subsequent treatment can be to process for the enzyme on the clean stratum being punctured.
In addition, described well fluids was filtered before entering described pump.
The invention still further relates to a kind of downhole system, this downhole system for example comprises, according to stratum of the present invention Centesis instrument and driver element, downhole tractor.
Described driver element can be in well, to transmit voluntarily forward and to transmit the self-propelled unit of puncture unit, described stratum.
And described driver element can comprise the wheel being arranged on wheel arm, the described arm of taking turns can be outstanding from described tool housing, and described wheel with the inner surface of described well contacted.
Finally, the present invention relates to a kind of method for the stratum of hydraulically puncturing, said method comprising the steps of
-by stratum Centesis instrument dive in sleeve pipe,
-by sleeve pipe puncture unit, in the wall of described sleeve pipe, provide opening,
-by the pump being arranged in the Centesis instrument of described stratum, via supplying flexible pipe, to nozzle, supply with high-pressure fluid,
-described nozzle is positioned to relative with the described opening in described sleeve pipe, and
-by fluid jet puncture stratum eyelet, that flow out from described nozzle stratum is provided.
At least one during said method also can comprise the following steps:
-described instrument well fluids is around entered through the entrance in described tool housing, and
-before described fluid is supplied to described supplying flexible pipe by described pressurized with fluid to high pressure.
In addition, described stratum Centesis instrument can be to the cable instrument in well via cable dive.
And described high-pressure fluid can be well fluids.
In addition, at least one in can comprising the following steps of the method according to this invention:
-by acid, carry out the subsequent treatment of described stratum eyelet, to form the more high surface area of described stratum eyelet,
-by the Fluid injection that comprises enzyme in the eyelet of described stratum,
-by high-pressure fluid being ejected in the eyelet of described stratum, make formation fracture, or
-by making connect to described stratum eyelet/relevant charging explode the stratum of puncturing.
Accompanying drawing explanation
Below with reference to accompanying schematic figure, describe in more detail the present invention and plurality of advantages thereof, accompanying drawing shows some nonrestrictive embodiment for purposes of illustration, and wherein
Fig. 1 shows the stratum Centesis instrument that is arranged in sleeve pipe,
Fig. 2 shows the sectional view of stratum Centesis instrument,
Fig. 3 shows an embodiment of holding unit,
Fig. 4 A shows the sectional view of another embodiment of stratum Centesis instrument,
Fig. 4 B shows the sectional view of the another embodiment of stratum Centesis instrument,
Fig. 5 shows the another embodiment of stratum Centesis instrument,
Fig. 6 shows the elevation of nozzle,
Fig. 7 shows another stratum Centesis instrument of the primary importance in sleeve pipe,
Fig. 8 shows the stratum Centesis instrument of the Fig. 7 in the second place,
Fig. 9 shows the stratum Centesis instrument of the Fig. 7 in the 3rd position, and
Figure 10 A-D shows the cross section of the different eyelets that form in stratum by stratum Centesis instrument.
Institute's drawings attached is highly schematically and not necessarily draws in proportion, and they only illustrate and illustrate those parts required for the present invention, and other parts are omitted or are only mentioned.
The specific embodiment
Fig. 1 shows dive to the stratum Centesis instrument 1 in the sleeve pipe 2 in well 3.For the stratum of puncturing, instrument 1 has tool housing 4, is wherein furnished with the sleeve pipe in hole 6 puncture unit 5 is provided in the wall 7 that is adapted at sleeve pipe 2.Subsequently, can in the one end at the supplying flexible pipe 8 of tool housing 4 interior slips, be furnished with nozzle 10.Instrument flexible pipe 8 to nozzle 10 supply with as jet through hole 6 high-pressure fluids 9 that penetrate to puncture stratum, from stratum Centesis instrument 1, substantially radially provide stratum micropore eye thus.Stratum Centesis instrument 1 comprises the pump 12 being communicated with supplying flexible pipe 8 fluids, and this pump, for the fluid jet 13 flowing out from nozzle 10 is provided, forms micropore eye or stratum eyelet 32 to puncture stratum.Stratum Centesis instrument 1 can be by the high-pressure fluid puncture cannula 2 spraying through nozzle 10, and therefore this instrument can be worked in the situation that not using sleeve pipe puncture unit 5.Yet below explanation comprises the function of using sleeve pipe puncture unit 5.
When making formation fracture when providing better the approaching of hydrocarbon reservoir, existing breaks is not the risk that radially forms from sleeve pipe 2.Thereby, by providing micropore eye by stratum Centesis instrument 1, can be owing to making micropore eye serve as otch and control better rupture process.Can be by being pumped into the high-pressure fluid in sleeve pipe 2 downwards or carrying out rupture process by PUNCH GUN.In addition, micropore eye can be used before carrying out acidification.
When fluid jet 9 clashes into stratum, stratum crushing, but the power of jet also will urge rearward supplying flexible pipe.Therefore, this instrument comprises holding unit 14, and this holding unit keeps supplying flexible pipe 8 and thereby makes nozzle 10 approach stratum.Holding unit 14 provides predetermined thrust to supplying flexible pipe, make supplying flexible pipe and thus nozzle during puncturing, can be maintained at precalculated position so that jet 13 can not lose it before arriving stratum, spray power.This predetermined thrust is substantially equal to the pressure of high-pressure fluid at nozzle place or less by 5% than this pressure at most.
As seen in Figure 2, holding unit 14 comprises and is arranged in supplying flexible pipe 8 piston 15 around, makes flexible pipe pierce through piston at the center of piston, this piston because of but annular piston.Piston 15 is arranged in the piston shell 16 in tool housing 4 slidably, makes flexible pipe to form and to stretch in the eyelet of stratum along with stratum eyelet.Come the pressure fluid 9 of self-pumping 12 to be pumped in the fluid passage 20 of playing piston shell 16 effects in Fig. 2.Fluid acts on piston, thereby along with jet 13 forms stratum eyelet and flexible pipe is forced in the eyelet of stratum.In Fig. 2, holding unit 14 is the pistons that slide in piston shell 16.Supplying flexible pipe 8 is guided to do not forming the situation lower slider of remarkable friction by guiding tube 19 and induction element 18 in stratum Centesis instrument 1.
In Fig. 2, sleeve pipe sting device is to be arranged in nozzle 10 sleeve pipe puncture unit 5 around, and induction element 18 is parts of sleeve pipe puncture unit 5.In this embodiment, nozzle have the first end 101 that connects with supplying flexible pipe with sleeve pipe puncture unit the second end 102 that be connected, relative with first end.In another embodiment, sleeve pipe puncture unit 5 is arranged in the second portion of stratum Centesis instrument 1 and slides off opening when forming opening, makes nozzle and supplying flexible pipe can enter stratum.
Sleeve pipe puncture unit is drift 64 in Fig. 2, but can be also the drill bit of a part or the charging of PUNCH GUN 33 of formation instrument as shown in Figure 4 A.Drift shown in Fig. 2 is outwards urged to pierce through casing wall towards sleeve pipe, thereby in wall, forms hole 6 by the sliding members 42 in the space 43 being arranged in slidably in tool housing 4.Sliding members 42 comprises inclined surface 44, and the pressure fluid in the fluid passage 45 by representing is by a dotted line while forcing sliding members 42 to leave pump 12, and the opening of drift from tool housing 4 is forced out and goes out in casing wall hole.
In Fig. 4 A, charging 33 activates by the contact 34 being arranged in piston shell, and when piston slips over this contact, the side of piston urges on this contact and charging is initiated by wiring 35, and charging blast, thereby in casing wall, form opening.
Supplying flexible pipe 8 by be embedded in the wall of flexible pipe be for example made of metal penetrate sheath by armouring, make flexible pipe be from supporting and can twisting when bending, and holding unit can be exerted pressure from one end or along flexible pipe, to provide maintenance pressure in the antagonism of flexible pipe in the other end from the pressure on stratum when impinging jet stratum.Supplying flexible pipe also can comprise plastic core, and for example Teflon core, or coated Teflon or other antifriction material do not lose too many pressure to supply with pressure fluid 9.
In Fig. 3, holding unit 14 comprises and is arranged at a distance from each other supplying flexible pipe 8 first piston 40 and the second piston 41 around, thereby forms betwixt chamber 37.First piston approaches arrangement of nozzles most.Holding unit 14 also comprises the fluid passage 38 being communicated with pump 12 fluids or the complementary pump that pressure is provided on first piston 40, thereby towards stratum, outwards urges flexible pipe and thereby keep nozzle fully to approach stratum to make stratum crushing by pressurized fluid jets 9.The second piston and above-mentioned piston 15 can be same pistons.
As shown in Figure 5, stratum Centesis instrument 1 can be included in the not fluid reservoir 23 of containing fluid 9 during suction well fluid of pump, or reservoir 23 can hold additional fluid.This fluid can be the fluid of any type, for example the mixture of water, acid, alkali, material.From the additional fluid of fluid reservoir, also can be imported in the stratum being punctured so that subsequent treatment is carried out in the stratum being punctured, be in order to utilize micropore eye 32 that other process/the second of formation fracture taken turns thereby no longer need object.
In Fig. 6, nozzle has the annular orifice that tubular fluid jet is provided.Like this, fluid around forms annular micropore eye at stratum central part, and described stratum central part can to analyze stratum, be made to start best rupture process with coming on tool belt.
In Fig. 5, stratum Centesis instrument 1 comprises for measuring the device for pressure measurement 27 of the pressure of the fluid 9 of supplying with through supplying flexible pipe.Stratum Centesis instrument 1 also comprises positioner 30, casing collar locator (CCL) for example, its be suitable for making stratum Centesis instrument 1 sleeve pipe 2 axially and/or footpath be upwards positioned in sleeve pipe.In addition, stratum micropore eye is found for the rupture process subsequently in this position.
Described pump can be centrifugal pump, piston pump or water jet pump.
Fig. 5 shows downhole system 100.This downhole system comprises stratum Centesis instrument 1 and driver element 31, for example downhole tractor.This driver element is mainly used in driving forwards and transmitting in the horizontal component of well stratum Centesis instrument 1 and himself, but also can be used as anchor portion or positioner.This driver element comprises the wheel 63 being arranged on wheel arm 61, and the described arm of taking turns can be outstanding to wheel is contacted with the inner surface of well, sleeve pipe or well from tool housing.
In Fig. 7, stratum Centesis instrument 1 comprises mobile device 50, the first 51 that this mobile device makes instrument moves with respect to the second portion 52 of instrument, so as to make supplying flexible pipe 8 longitudinally tool axis move or make supplying flexible pipe 8 along transverse to the longitudinal direction rotation of tool axis.Described first is connected by axle 53 with second portion.Mobile device 50 can comprise impactor, and this impactor provides the longitudinally impact of tool axis, first 51 is moved away or close the second tools section 52.Mobile device 50 also can comprise motor, this motor is the second portion rotation with respect to instrument for the first that makes instrument, or for the first that makes instrument longitudinally tool axis with respect to the second portion of instrument, move and make thus supplying flexible pipe 8 longitudinally tool axis with respect to stratum, move.This orientation can also be by revolution or supporting measurement execution relatively.
By mobile device 50 is set, the first 51 of instrument can be with respect to the second portion 52 of instrument tool axis or move transverse to tool axis longitudinally, thus make supplying flexible pipe longitudinally tool axis with respect to stratum or sleeve pipe, move or make supplying flexible pipe along transverse to the longitudinal direction rotation of tool axis.By making supplying flexible pipe 8 move, can make the hole 6 in sleeve pipe 2 or compare only large by the situation on disposable puncture sleeve pipe or stratum because high-pressure fluid 9 is ejected into the eyelet producing in stratum.By making fluid 9 through supplying flexible pipe 8 ejection, by nozzle 10, disposable puncture stratum forms the eyelet that has the hole that is arranged in sleeve pipe 6 in cross section as shown in Figure 10 A or be arranged in stratum.When supplying flexible pipe 8 being moved by mobile device 50, the hole 6 in sleeve pipe or the eyelet in stratum are extended and have the cross section as shown in Figure 10 B-D.
In primary importance as shown in Figure 7, stratum Centesis instrument 1 puncture cannula 2 or stratum, thus form hole or the stratum eyelet 32 transverse to tool axis.In Fig. 8, mobile device 50 has made the first 51 of instrument move to the second place, and in this second place, the first tools section 51 is moved further leaves the second tools section 52.In this second place, stratum Centesis instrument 1 is on position puncture cannula 2 or stratum with respect to the displacement of the first hole or stratum eyelet, and thereby extending bore or stratum eyelet, thereby make this hole or eyelet, longitudinally tool axis is larger.In Fig. 9, show stratum Centesis instrument 1 in its 3rd position, in the 3rd position, mobile device 50 has made to compare with the first and second positions the more close second portion of first and has moved.Fluid 9 puncture cannula 2 or the stratum of spraying at the 3rd Zhong，Cong stratum, position Centesis instrument 1, thus further expand described hole or eyelet and produce hole or the eyelet with cross section as shown in figure 10.
In Figure 10 B, supplying flexible pipe 8 is along transverse to the longitudinal direction rotation of tool axis, thereby forms the longitudinal eyelet that is arranged in the longitudinal hole of sleeve pipe 2 or is arranged in stratum in the plane transverse to longitudinal tool axis.In Figure 10 C, instrument flexible pipe 8 not only rotated but also longitudinally tool axis move.In Figure 10 D, longitudinally longitudinally tool axis extension of eyelet.
By form longitudinal micropore eye or hole in stratum, follow-up rupture process fracturing fluid being ejected in stratum in eyelet or hole can be oriented on optimum orientation, thereby micro-well is oriented such that to the effect of breaking maximizes.Break and be often oriented in direction of maximal stress voluntarily, and by micropore eye is oriented in direction of maximal stress, most of energy of rupture will break for propagating this.
The first 51 of stratum Centesis instrument 1 comprises supplying flexible pipe 8, holding unit 14 and pump 12, and the second portion 52 of instrument 1 comprises anchor portion 25.Mobile device 50 can be incorporated in the first tools section 51 and by axle 53 and be attached in the second tools section 52, or is incorporated in the second tools section 52 and with the first tools section 51 and is connected.
When forming micropore eye or eyelet in stratum, instrument can insert geophone to carry out for example seismic survey in this eyelet.Stratum Centesis instrument 1 can comprise box, and this box comprises the some geophones that are inserted in eyelet.Like this, stratum Centesis instrument 1 can be used for upgrading or improves well so that it has seismic system, to carry out having or not in stratum the measurement of hydrocarbon.
Fluid or well fluids refer to the fluid of any kind that may exist in downhole oil or gas well, such as natural gas, oil, greasy filth, crude oil, water etc.Gas refers to the gas componant of any kind existing in well, completion or bore hole, and oil refers to the oil component of any kind, such as crude oil, containing flow of oil etc.Therefore, these fluids of gas, oil and water can comprise respectively other element or the material that is different from gas, oil and/or water.
Sleeve pipe refers to about the pipe of any kind of using in down-hole of oil or natural gas production, pipeline, pipe fitting, lining, tubing string etc.
Although described the present invention in conjunction with the preferred embodiments of the present invention above, it is evident that to those skilled in the art, under the prerequisite of the present invention not departing from as limited by following claim, it is contemplated that some remodeling.
Claims (23)
1. a stratum Centesis instrument (1), its can dive in the sleeve pipe (2) in well (3) hydraulically to puncture stratum there is longitudinal tool axis, described stratum Centesis instrument comprises:
-tool housing (4),
-supplying flexible pipe (8), it can slide in described tool housing, for supplying with high-pressure fluid (9) to nozzle (10), and
-described tool housing has opening (11), and described supplying flexible pipe and described nozzle are directed with puncture stratum through described opening,
Wherein, described stratum Centesis instrument also comprises the pump (12) being arranged in described tool housing, and described pump is communicated with described supplying flexible pipe fluid, to be provided for the fluid jet (13) described stratum, that flow out from described nozzle that punctures.
2. stratum according to claim 1 Centesis instrument, wherein, is furnished with for the holding unit (14) of predetermined thrust is provided to described supplying flexible pipe.
3. stratum according to claim 2 Centesis instrument, wherein, described holding unit comprises the piston (15) around described supplying flexible pipe.
4. stratum according to claim 3 Centesis instrument, wherein, described piston is slidably arranged in the piston/cylinder in described instrument.
5. according to the stratum Centesis instrument described in claim 3 or 4, wherein, be provided with the some annular pistons around described instrument flexible pipe.
6. according to stratum in any one of the preceding claims wherein Centesis instrument, also comprise the sleeve pipe in hole (6) puncture unit (5) is provided in the wall (7) that is adapted at described sleeve pipe.
7. stratum according to claim 6 Centesis instrument, wherein, described sleeve pipe puncture cell layout becomes be connected with described nozzle or be arranged in around described nozzle.
8. according to the stratum Centesis instrument described in claim 6 or 7, wherein, described sleeve pipe puncture unit is the charging of drift, drill bit or PUNCH GUN.
9. stratum according to claim 8 Centesis instrument, wherein, described nozzle has the first end (101) being connected with described flexible pipe, and described sleeve pipe puncture unit is arranged on the drift in second end (102) relative with described first end of described nozzle.
10. according to stratum in any one of the preceding claims wherein Centesis instrument, wherein, described supplying flexible pipe slides in the fluid passage (20) being communicated with described pump fluid.
11. according to stratum in any one of the preceding claims wherein Centesis instrument, and wherein, described supplying flexible pipe is by armouring.
12. according to stratum in any one of the preceding claims wherein Centesis instrument, and wherein, described high-pressure fluid is well fluids.
13. according to stratum in any one of the preceding claims wherein Centesis instrument, and wherein, described tool housing comprises the entrance (21) for described well fluids, and described entrance is communicated with described pump fluid.
14. according to stratum in any one of the preceding claims wherein Centesis instrument, also comprises at least making described supplying flexible pipe along described longitudinal tool axis and the mobile device (50) that moves transverse to described longitudinal tool axis.
15. according to stratum in any one of the preceding claims wherein Centesis instrument, wherein, is furnished with the fluid control device (24) being connected with fluid reservoir.
16. 1 kinds of downhole systems, this downhole system for example comprises, according to stratum in any one of the preceding claims wherein Centesis instrument and driver element (31), downhole tractor.
17. downhole systems according to claim 16, wherein, described driver element is in well, to transmit voluntarily and to transmit forward the self-propelled unit of described stratum Centesis instrument.
18. according to the downhole system described in claim 16 or 17, and wherein, described driver element comprises the wheel (60) being arranged on wheel arm (61), and the described arm of taking turns can be given prominence to so that described wheel with the inner surface of well contacts from described tool housing.
19. 1 kinds of methods for the stratum of hydraulically puncturing, comprise the following steps:
-by stratum Centesis instrument dive in sleeve pipe,
-by sleeve pipe puncture unit, in the wall of described sleeve pipe, provide opening,
-by the pump being arranged in the Centesis instrument of described stratum, via supplying flexible pipe, to nozzle, supply with high-pressure fluid,
-described nozzle is positioned to relative with the opening in described sleeve pipe, and
-by fluid jet puncture stratum eyelet, that flow out from described nozzle stratum is provided.
20. methods according to claim 19, at least one in further comprising the steps of:
-described instrument well fluids is around entered through the entrance in described tool housing, and
-before described fluid is supplied to described supplying flexible pipe by described pressurized with fluid to high pressure.
21. according to the method described in claim 19 or 20, and wherein, described stratum Centesis instrument is to the cable instrument in well via cable dive.
22. according to the method described in any one in claim 19-21, and wherein, described high-pressure fluid is well fluids.
23. according to the method described in any one in claim 19-22, at least one in further comprising the steps of:
-by acid, carry out the subsequent treatment of described stratum eyelet, to form the more high surface area of described stratum eyelet,
-by the Fluid injection that comprises enzyme in the eyelet of described stratum,
-by high-pressure fluid being ejected in the eyelet of described stratum, make described formation fracture, or
-by the charging that makes to be connected with the described stratum eyelet described stratum of exploding to puncture.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11168240A EP2530240A1 (en) | 2011-05-31 | 2011-05-31 | A formation penetrating tool |
| EP11168240.7 | 2011-05-31 | ||
| EP11171170.1 | 2011-06-23 | ||
| EP11171170 | 2011-06-23 | ||
| PCT/EP2012/060146 WO2012163967A1 (en) | 2011-05-31 | 2012-05-30 | A formation penetrating tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103562494A true CN103562494A (en) | 2014-02-05 |
Family
ID=46197263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280026674.8A Pending CN103562494A (en) | 2011-05-31 | 2012-05-30 | A formation penetrating tool |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20140102801A1 (en) |
| EP (1) | EP2715061B1 (en) |
| CN (1) | CN103562494A (en) |
| AU (1) | AU2012264713B2 (en) |
| BR (1) | BR112013030608A2 (en) |
| CA (1) | CA2837737A1 (en) |
| MX (1) | MX2013013915A (en) |
| RU (1) | RU2013157742A (en) |
| WO (1) | WO2012163967A1 (en) |
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| CN105507855A (en) * | 2014-09-24 | 2016-04-20 | 中国石油化工股份有限公司 | Apparatus for producing reservoir exploitation passageway |
| CN106638557A (en) * | 2015-11-04 | 2017-05-10 | 金子裕治 | Foundation improving construction method and foundation improving device |
| CN107407141A (en) * | 2015-02-24 | 2017-11-28 | 特种油管有限责任公司 | Internal traction machine system for drilling well tubular body |
| CN108119108A (en) * | 2018-02-08 | 2018-06-05 | 盘锦勇盛利石油科技开发有限公司 | A kind of oil pipe hydraulic pressure perforating device |
| CN113811665A (en) * | 2019-05-15 | 2021-12-17 | 国际壳牌研究有限公司 | Downhole drilling and injection tool and method of using same |
| CN113811665B (en) * | 2019-05-15 | 2024-04-05 | 国际壳牌研究有限公司 | Drilling and injection tool for downhole casing and method of use thereof |
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| US9976351B2 (en) * | 2011-08-05 | 2018-05-22 | Coiled Tubing Specialties, Llc | Downhole hydraulic Jetting Assembly |
| US10309205B2 (en) | 2011-08-05 | 2019-06-04 | Coiled Tubing Specialties, Llc | Method of forming lateral boreholes from a parent wellbore |
| EP3726003B1 (en) * | 2014-12-03 | 2022-09-28 | Robertson Intellectual Properties, LLC | In situ pump for downhole applications |
| WO2016137667A1 (en) | 2015-02-24 | 2016-09-01 | Coiled Tubing Specialties, Llc | Steerable hydraulic jetting nozzle, and guidance system for downhole boring device |
| US11384625B2 (en) * | 2017-11-21 | 2022-07-12 | Geodynamics, Inc. | Device and method for angularly orientating wellbore perforating guns |
| US11131175B2 (en) * | 2020-02-14 | 2021-09-28 | Saudi Arabian Oil Company | Matrix stimulation tool |
| US11408229B1 (en) | 2020-03-27 | 2022-08-09 | Coiled Tubing Specialties, Llc | Extendible whipstock, and method for increasing the bend radius of a hydraulic jetting hose downhole |
| US11624250B1 (en) | 2021-06-04 | 2023-04-11 | Coiled Tubing Specialties, Llc | Apparatus and method for running and retrieving tubing using an electro-mechanical linear actuator driven downhole tractor |
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- 2012-05-30 MX MX2013013915A patent/MX2013013915A/en not_active Application Discontinuation
- 2012-05-30 BR BR112013030608A patent/BR112013030608A2/en not_active IP Right Cessation
- 2012-05-30 US US14/122,727 patent/US20140102801A1/en not_active Abandoned
- 2012-05-30 EP EP12724623.9A patent/EP2715061B1/en not_active Not-in-force
- 2012-05-30 WO PCT/EP2012/060146 patent/WO2012163967A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105507855A (en) * | 2014-09-24 | 2016-04-20 | 中国石油化工股份有限公司 | Apparatus for producing reservoir exploitation passageway |
| CN105507855B (en) * | 2014-09-24 | 2018-03-02 | 中国石油化工股份有限公司 | A kind of device for being used to generate storage exploitation runner |
| CN107407141A (en) * | 2015-02-24 | 2017-11-28 | 特种油管有限责任公司 | Internal traction machine system for drilling well tubular body |
| CN107407141B (en) * | 2015-02-24 | 2018-10-30 | 特种油管有限责任公司 | Internal traction machine system for drilling well tubular body |
| CN106638557A (en) * | 2015-11-04 | 2017-05-10 | 金子裕治 | Foundation improving construction method and foundation improving device |
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| CN113811665A (en) * | 2019-05-15 | 2021-12-17 | 国际壳牌研究有限公司 | Downhole drilling and injection tool and method of using same |
| CN113811665B (en) * | 2019-05-15 | 2024-04-05 | 国际壳牌研究有限公司 | Drilling and injection tool for downhole casing and method of use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140102801A1 (en) | 2014-04-17 |
| AU2012264713A1 (en) | 2013-05-02 |
| BR112013030608A2 (en) | 2016-12-13 |
| MX2013013915A (en) | 2014-03-27 |
| EP2715061A1 (en) | 2014-04-09 |
| WO2012163967A1 (en) | 2012-12-06 |
| EP2715061B1 (en) | 2016-02-10 |
| RU2013157742A (en) | 2015-07-10 |
| CA2837737A1 (en) | 2012-12-06 |
| AU2012264713B2 (en) | 2015-03-19 |
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Application publication date: 20140205 |