CN203515455U - Perforation fracturing packer device - Google Patents
Perforation fracturing packer device Download PDFInfo
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- CN203515455U CN203515455U CN201320571815.6U CN201320571815U CN203515455U CN 203515455 U CN203515455 U CN 203515455U CN 201320571815 U CN201320571815 U CN 201320571815U CN 203515455 U CN203515455 U CN 203515455U
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Abstract
The utility model relates to the technical field of packers for petroleum drilling, in particular to a perforation fracturing packer device which comprises a central tube, an upper joint, a fishing head, a rubber cylinder shaft and a lower cone. An annular installation groove is formed in the inner side of the upper end of the central tube. The upper end of the central tube is sleeved with the upper portion of the fishing head. The outer side of the upper portion of the fishing head and the inner side of the middle of the upper joint are fixedly installed together through left hand threads. A sealing sleeve is fixedly installed on the outer side of the middle of the fishing head. A sealing annular platform is fixedly arranged on the inner side of the lower end of the sealing sleeve. A pressing sleeve is mounted on the sealing annular platform. The perforation fracturing packer device is reasonable and compact in structure and convenient to use, achieves linkage working of perforation, blocking, fracturing and testing through the cooperation of a main piston, an auxiliary piston, a starting shear pin, a liquid inlet, a sealing rubber cylinder and a slip, can block a fracturing layer to conduct multi-layer fracturing, and has the advantages of being safe, reliable and convenient to operate, the operating cost is reduced, and working efficiency is improved.
Description
Technical field
the utility model relates to oil drilling and uses packer technology field, is a kind of perforating and fracturing packing device.
Background technology
the perforation of oil well, pressure break, tubing string of test complete, not only safe but also save operating cost, are the technologies that existing oilfield generally adopts.Oil pipe connecting test instrument, packer and tubing string of perforating gun are gone into the well and are put in place, packer set, suppress ignition perforating gun, perforated interval is carried out to perforation while perforating gun and put the down-hole of dropping aside, carrying out packer lower end pressure break, after pressure break, open flow test is produced, existing technology in Sichuan, the oil field such as long celebrating is widely used, and obtained good economic benefit.But the packer of above-mentioned perforation, pressure break, testing combination operation technology adopts machinery setting, and can not resist lower pressure reduction, and packer upper end need to configure hydraulic anchor when pressure break, while only having the interior pressure holding of oil pipe continuous, could resist and press down.Complete while needing upper strata reperforation pressure break after connection seat, original technique must propose original tubing string, and lower isolating tool makes lower floor's shutoff, then the second line of a couplet carries out operation as tubing string.The above-mentioned tubing string of doing, after completing connection work, as needs packer does not rise, only plays flowline and testing tool, and original instrument can not be realized; So the packer of perforation, pressure break, testing combination operation technology can not meet the needs of existing production.
Summary of the invention
the utility model provides a kind of perforating and fracturing packing device, has overcome the deficiency of above-mentioned prior art, and its packer that can effectively solve perforation, pressure break, testing combination operation technology can not meet the problem of the needs of existing production.
the technical solution of the utility model realizes by following measures: a kind of perforating and fracturing packing device, comprises central tube, top connection, fishing head, packing element axle and lower cone, there is annular mounting groove inner side, upper end at central tube, the top of fishing head is sleeved on the outside, upper end of central tube, the upper outside of fishing head and inner side, the middle part of top connection are fixedly installed togather by left-hand thread screw thread, outside, middle part at fishing head is installed with sealing shroud, inner side, lower end at sealing shroud is fixed with joint ring platform, at the joint ring platform seat of honour, have gland, the upper end of gland is pressed between the lower end and sealing shroud of fishing head, the outside, upper end of the lower inside of gland and packing element axle is fixedly installed togather, joint ring platform is sleeved on the top of packing element axle, lower outside at packing element axle has packing element mounting groove, the cartridge of at least one is installed in packing element mounting groove, in the lower end of packing element axle, be mounted with and can block the also main piston of press seal packing element, there is annular groove in the outside of the central tube between main piston and joint ring platform, the top of packing element axle and lower end are set on the central tube of annular groove above and below, at the middle part of packing element axle, there is the first liquid flow hole being connected with annular groove, in the lower end of packing element axle and the upper end of main piston, there is respectively the second liquid flow hole being connected with annular groove, outside at main piston is set with cylinder sleeve, the lower inside of cylinder sleeve and the upper outside of lower cone are fixedly installed togather, the bottom of lower cone is sleeved on central tube, central tube, main piston, between cylinder sleeve and lower cone, form installation cavity, auxiliary piston and adapter sleeve are installed in installation cavity, the inner side, upper end of auxiliary piston and the outside, lower end of main piston are fixed together by starting shear pin, the upper end of adapter sleeve by least one the first fixture block, be installed on central tube and and central tube between have spacing, the upper end of adapter sleeve is articulated in the lower inside of auxiliary piston, the lower outside of adapter sleeve and the upper inner of lower cone are fixedly installed togather, on the central tube of corresponding adapter sleeve position, there is inlet opening, the bottom of auxiliary piston is sleeved between cylinder sleeve and adapter sleeve, outside, lower end at central tube is fixed with Ka Tai, between Ka Tai, central tube and lower cone, form slips mounting groove, the slips of at least two is installed along the circle spacing in slips mounting groove, outside, upper and lower at slips is distributed with respectively crown tooth towards the opposite, in the lower end outside of lower cone, there is high outside and low outside inclined-plane, in the upper inner of slips, have the inclined-plane matching with the outside, lower end of lower cone.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
above-mentioned fishing head comprises the first cylindrical shell, the second cylindrical shell and the 3rd cylindrical shell, the outside, lower end of the first cylindrical shell and the inner side, upper end of the second cylindrical shell are fixed together, the upper end of the lower end of the second cylindrical shell and the 3rd cylindrical shell is fixed together, the first barrel jacket is contained in the outside, upper end of central tube, the inner side, middle part of top connection and the upper outside of the first cylindrical shell are fixedly installed togather by screw thread, and the lower outside of the upper inner of sealing shroud and the second cylindrical shell is fixedly installed togather, there is solution big envelope in the outside of the central tube between the first cylindrical shell and packing element axle, separate big envelope and comprise solution big envelope and lower solution big envelope, the outside, lower end of upper solution big envelope and the inner side, upper end of lower solution big envelope are fixed together, upper solution big envelope and central tube are fixed together by deblocking shear pin, the top of upper solution big envelope is sleeved between central tube and the second cylindrical shell, the middle part of lower solution big envelope is sleeved on the 3rd cylindrical shell, there is the first lock dog mounting groove of at least one inner side of second cylindrical shell corresponding with upper solution big envelope along circumference, in the first lock dog mounting groove, the first lock dog is installed, in the inner side of the first lock dog, be distributed with crown tooth upward.
between above-mentioned lower solution big envelope and central tube, there is spacing, between central tube and lower solution big envelope, be set with the second lock dog, in the inner side of the second lock dog, be distributed with crown tooth down; There is the 3rd lock dog mounting groove of at least one inner side, upper end at packing element axle along circumference, the 3rd lock dog is installed in the 3rd lock dog mounting groove, is distributed with crown tooth down in the inner side of the 3rd lock dog; Upper inner at cylinder sleeve is fixed with cylinder sleeve platform, cylinder sleeve platform is sleeved on the top of main piston, between main piston, cylinder sleeve and cylinder sleeve platform, form the first annular seal space, between central tube, packing element axle and main piston, form the second annular seal space, on main piston, have the relief hole being connected with the first annular seal space and the second annular seal space.
the above-mentioned lower end edge circumference at main piston has the second fixture block installing hole of at least one, in the second fixture block installing hole, be installed with the second fixture block, in the outside of central tube, there is the second fixture block mounting groove, the inner of the second fixture block is arranged in the second fixture block mounting groove, the inner top side face of the second fixture block is high outside and low outside inclined-plane, has the inclined-plane matching with the inner top side face of the second fixture block on the second fixture block mounting groove; The the first fixture block installing hole that has at least one at the upper end edge circumference of adapter sleeve, in the first fixture block installing hole, be installed with the first fixture block, in the outside of central tube, there is the first fixture block mounting groove, the inner of the first fixture block is arranged in the first fixture block mounting groove, the inside lower end face of the first fixture block is outer low and inner high inclined-plane, has the inclined-plane matching with the inside lower end face of the first fixture block on the first fixture block mounting groove.
the outside of the packing element axle between above-mentioned the first liquid flow hole and packing element mounting groove is fixed with packing element block, and there is bypass sealing mounting groove in the outside of the packing element axle between the first liquid flow hole and packing element block, in bypass sealing mounting groove, is installed with bypass sealing drum; The cartridge of three is installed in packing element mounting groove, between adjacent two cartridge, is separately installed with spacer ring; Between the packing element axle between packing element block and adjacent seals packing element, protection ring is installed, between the packing element axle between main piston and adjacent seals packing element, protection ring is installed, protection ring is pressed on the upper surface of main piston.
the above-mentioned lower outside at lower cone is mounted with slips cover, and it is upper that the bottom of slips cover is sleeved on Ka Tai, in the outside, lower end of slips cover, is installed with back of the body cap, on the slips cover of corresponding slips position, has slips to stretch out hole; On the top of top connection, there are internal thread or external screw thread; There is external screw thread lower end at central tube.
between above-mentioned sealing shroud and the second cylindrical shell, by screw thread, be fixedly installed togather, between packing element axle and gland, by screw thread, be fixedly installed togather, between lower cone and cylinder sleeve, by screw thread, be fixedly installed togather, between back of the body cap and slips cover, by screw thread, be fixedly installed togather; Between top connection and the first cylindrical shell, sealing ring is installed; Between the first cylindrical shell and central tube, sealing ring is installed; Between sealing shroud and packing element axle, sealing ring is installed; Between packing element axle and central tube, sealing ring is installed; Sealing ring at least is together installed between main piston and cylinder sleeve; Sealing ring at least is together installed between main piston and central tube; Sealing ring at least is together installed between auxiliary piston and cylinder sleeve; Sealing ring at least is together installed between auxiliary piston and adapter sleeve; Sealing ring at least is together installed between adapter sleeve and lower cone; Sealing ring at least is together installed between lower cone and central tube.
the utility model reasonable and compact in structure, easy to use, by being used in conjunction with of main piston, auxiliary piston, startup shear pin, inlet opening, cartridge and slips, realize the connection operation of perforation, shutoff, pressure break, test, also can carry out multiple fracturing by shutoff fractured layer simultaneously, there is safe and reliable and easy to operate feature, lowered operating cost, improved operating efficiency.
Accompanying drawing explanation
the master of the first half that accompanying drawing 1 is the utility model most preferred embodiment looks half section structural representation.
the master of the latter half that accompanying drawing 2 is the utility model most preferred embodiment looks half section structural representation.
coding in accompanying drawing is respectively: pipe centered by 1, 2 is top connection, 3 is packing element axle, 4 is lower cone, 5 is annular mounting groove, 6 is sealing shroud, 7 is joint ring platform, 8 is gland, 9 is cartridge, 10 is main piston, 11 is annular groove, 12 is the first liquid flow hole, 13 is the second liquid flow hole, 14 is cylinder sleeve, 15 is installation cavity, 16 is auxiliary piston, 17 is adapter sleeve, 18 for starting shear pin, 19 is the first fixture block, 20 is inlet opening, 21 is Ka Tai, 22 is slips, 23 is the first cylindrical shell, 24 is the second cylindrical shell, 25 is the 3rd cylindrical shell, 26 is upper solution big envelope, 27 is lower solution big envelope, 28 is deblocking shear pin, 29 is the first lock dog, 30 is the second lock dog, 31 is the 3rd lock dog, 32 is cylinder sleeve platform, 33 is the 4th lock dog, 34 is the first annular seal space, 35 is the second annular seal space, 36 is relief hole, 37 is the second fixture block, 38 is packing element block, 39 is bypass sealing drum, 40 is spacer ring, 41 is protection ring, 42 is slips cover, 43 is back of the body cap, 44 is sealing ring.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, this perforating and fracturing packing device comprises central tube 1, top connection 2, fishing head, packing element axle 3 and lower cone 4, there is annular mounting groove 5 inner side, upper end at central tube 1, the top of fishing head is sleeved on the outside, upper end of central tube 1, the inner side, middle part of the upper outside of fishing head and top connection 2 is fixedly installed togather by left-hand thread screw thread, outside, middle part at fishing head is installed with sealing shroud 6, inner side, lower end at sealing shroud 6 is fixed with joint ring platform 7, at joint ring platform 7 seats of honour, have gland 8, the upper end of gland 8 is pressed between the lower end and sealing shroud 6 of fishing head, the outside, upper end of the lower inside of gland 8 and packing element axle 3 is fixedly installed togather, joint ring platform 7 is sleeved on the top of packing element axle 3, lower outside at packing element axle 3 has packing element mounting groove, the cartridge 9 of at least one is installed in packing element mounting groove, in the lower end of packing element axle 3, be mounted with and can block the also main piston 10 of press seal packing element 9, there is annular groove 11 in the outside of the central tube 1 between main piston 10 and joint ring platform 7, the top of packing element axle 3 and lower end are set on the central tube 1 of annular groove 11 above and belows, at the middle part of packing element axle 3, there is the first liquid flow hole 12 being connected with annular groove 11, in the lower end of packing element axle 3 and the upper end of main piston 10, there is respectively the second liquid flow hole 13 being connected with annular groove 11, in the outside of main piston 10, be set with cylinder sleeve 14, the upper outside of the lower inside of cylinder sleeve 14 and lower cone 4 is fixedly installed togather, the bottom of lower cone 4 is sleeved on central tube 1, central tube 1, main piston 10, between cylinder sleeve 14 and lower cone 4, form installation cavity 15, auxiliary piston 16 and adapter sleeve 17 are installed in installation cavity 15, the inner side, upper end of auxiliary piston 16 and the outside, lower end of main piston 10 are fixed together by starting shear pin 18, the upper end of adapter sleeve 17 by least one the first fixture block 19, be installed on central tube 1 and and central tube 1 between have spacing, the upper end of adapter sleeve 17 is articulated in the lower inside of auxiliary piston 16, the upper inner of the lower outside of adapter sleeve 17 and lower cone 4 is fixedly installed togather, on the central tube 1 of corresponding adapter sleeve 17 positions, there is inlet opening 20, the bottom of auxiliary piston 16 is sleeved between cylinder sleeve 14 and adapter sleeve 17, outside, lower end at central tube 1 is fixed with card platform 21, between card platform 21, central tube 1 and lower cone 4, form slips mounting groove, the slips 22 of at least two is installed along the circle spacing in slips mounting groove, outside, upper and lower at slips 22 is distributed with respectively crown tooth towards the opposite, in the lower end outside of lower cone 4, there is high outside and low outside inclined-plane, in the upper inner of slips 22, have the inclined-plane matching with the outside, lower end of lower cone 4.Like this, slips 22 makes slips 22 swell and grappling when being squeezed.
can according to actual needs, above-mentioned perforating and fracturing packing device be made further optimization and/or improvements:
as shown in accompanying drawing 1,2, fishing head comprises the first cylindrical shell 23, the second cylindrical shell 24 and the 3rd cylindrical shell 25, the outside, lower end of the first cylindrical shell 23 and the inner side, upper end of the second cylindrical shell 24 are fixed together, the upper end of the lower end of the second cylindrical shell 24 and the 3rd cylindrical shell 25 is fixed together, the first cylindrical shell 23 is sleeved on the outside, upper end of central tube 1, the inner side, middle part of top connection 2 and the upper outside of the first cylindrical shell 23 are fixedly installed togather by screw thread, and the lower outside of the upper inner of sealing shroud 6 and the second cylindrical shell 24 is fixedly installed togather, there is solution big envelope in the outside of the central tube 1 between the first cylindrical shell 23 and packing element axle 3, separate big envelope and comprise solution big envelope 26 and lower solution big envelope 27, the outside, lower end of upper solution big envelope 26 and the inner side, upper end of lower solution big envelope 27 are fixed together, upper solution big envelope 26 and central tube 1 are fixed together by deblocking shear pin 28, the top of upper solution big envelope 26 is sleeved between central tube 1 and the second cylindrical shell 24, the middle part of lower solution big envelope 27 is sleeved on the 3rd cylindrical shell 25, there is the first lock dog mounting groove of at least one inner side of second cylindrical shell 24 corresponding with upper solution big envelope 26 along circumference, the first lock dog 29 is installed in the first lock dog mounting groove, in the inner side of the first lock dog 29, be distributed with crown tooth upward.
as shown in accompanying drawing 1,2, between lower solution big envelope 27 and central tube 1, there is spacing, between central tube 1 and lower solution big envelope 27, be set with the second lock dog 30, in the inner side of the second lock dog 30, be distributed with crown tooth down; There is the 3rd lock dog mounting groove of at least one inner side, upper end at packing element axle 3 along circumference, the 3rd lock dog 31 is installed in the 3rd lock dog mounting groove, is distributed with crown tooth down in the inner side of the 3rd lock dog 31; Upper inner at cylinder sleeve 14 is fixed with cylinder sleeve platform 32, cylinder sleeve platform 32 is sleeved on the top of main piston 10, on cylinder sleeve platform 32, along circumference, there is the 4th lock dog mounting groove of at least one, the 4th lock dog 33 is installed in the 4th lock dog mounting groove, in the inner side of the 4th lock dog 33, is distributed with crown tooth upward; Between main piston 10, cylinder sleeve 14 and cylinder sleeve platform 32, form the first annular seal space 34, between central tube 1, packing element axle 3 and main piston 10, form the second annular seal space 35, on main piston 10, have the relief hole 36 being connected with the first annular seal space 34 and the second annular seal space 35.
as shown in accompanying drawing 1,2, the the second fixture block installing hole that has at least one at the lower end edge circumference of main piston 10, in the second fixture block installing hole, be installed with the second fixture block 37, in the outside of central tube 1, there is the second fixture block mounting groove, the inner of the second fixture block 37 is arranged in the second fixture block mounting groove, the inner top side face of the second fixture block 37 is high outside and low outside inclined-plane, has the inclined-plane matching with the inner top side face of the second fixture block 37 on the second fixture block mounting groove; The the first fixture block installing hole that has at least one at the upper end edge circumference of adapter sleeve 17, in the first fixture block installing hole, be installed with the first fixture block 19, in the outside of central tube 1, there is the first fixture block mounting groove, the inner of the first fixture block 19 is arranged in the first fixture block mounting groove, the inside lower end face of the first fixture block 19 is outer low and inner high inclined-plane, has the inclined-plane matching with the inside lower end face of the first fixture block 19 on the first fixture block mounting groove.Like this, be convenient to drive the second fixture block 37 to skid off in the second fixture block mounting groove when main piston 10 moves up; Adapter sleeve 17 drives the first fixture block 19 to skid off in the first fixture block mounting groove while moving down.
as shown in accompanying drawing 1,2, the outside of the packing element axle 3 between the first liquid flow hole 12 and packing element mounting groove is fixed with packing element block 38, there is bypass sealing mounting groove in the outside of the packing element axle 3 between the first liquid flow hole 12 and packing element block 38, in bypass sealing mounting groove, is installed with bypass sealing drum 39; The cartridge 9 of three is installed in packing element mounting groove, between adjacent two cartridge 9, is separately installed with spacer ring 40; Between the packing element axle 3 between packing element block 38 and adjacent seals packing element 9, protection ring 41 is installed, between the packing element axle 3 between main piston 10 and adjacent seals packing element 9, protection ring 41 is installed, protection ring 41 is pressed on the upper surface of main piston 10.Like this, be convenient to, when cartridge 9 is squeezed, expand, reach the object of shutoff; Protection ring 41 plays the effect of protection cartridge 9.
as shown in accompanying drawing 1,2, at the lower outside of lower cone 4, be mounted with slips cover 42, the bottom of slips cover 42 is sleeved on card platform 21, in the outside, lower end of slips cover 42, is installed with back of the body cap 43, on the slips cover 42 of corresponding slips 22 positions, has slips to stretch out hole; On the top of top connection 2, there are internal thread or external screw thread; There is external screw thread lower end at central tube 1.Slips on slips cover 42 stretches out hole to be convenient to slips 22 stressed when extruding slips from slips cover 42 and to stretch out hole and extrude.
as shown in accompanying drawing 1,2, between sealing shroud 6 and the second cylindrical shell 24, by screw thread, be fixedly installed togather, between packing element axle 3 and gland 8, by screw thread, be fixedly installed togather, between lower cone 4 and cylinder sleeve 14, by screw thread, be fixedly installed togather, between back of the body cap 43 and slips cover 42, by screw thread, be fixedly installed togather; Between top connection 2 and the first cylindrical shell 23, sealing ring 44 is installed; Between the first cylindrical shell 23 and central tube 1, sealing ring 44 is installed; Between sealing shroud 6 and packing element axle 3, sealing ring 44 is installed; Between packing element axle 3 and central tube 1, sealing ring 44 is installed; Sealing ring 44 at least is together installed between main piston 10 and cylinder sleeve 14; Sealing ring 44 at least is together installed between main piston 10 and central tube 1; Sealing ring 44 at least is together installed between auxiliary piston 16 and cylinder sleeve 14; Sealing ring 44 at least is together installed between auxiliary piston 16 and adapter sleeve 17; Sealing ring 44 at least is together installed between adapter sleeve 17 and lower cone 4; Sealing ring 44 at least is together installed between lower cone 4 and central tube 1.Like this, screw thread is convenient to installation and removal; Sealing ring 44 is convenient to better sealing.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of the utility model most preferred embodiment: setting: instrument inner chamber is suppressed, liquid enters between main piston 10 and auxiliary piston 16 through the spacing between central tube 1 and adapter sleeve 17 by inlet opening 20, hydraulic drive main piston 10 and auxiliary piston 16 move toward one another, while reaching starting pressure value, cut off and start shear pin 18, promote auxiliary piston 16, adapter sleeve 17, the first fixture block 19, lower cone 4, cylinder sleeve 14, the 4th lock dog 33 descending, lower cone 4 extruding slips 22 make slips 22 swell grappling; Meanwhile, hydraulic drive main piston 10, main piston 10 extruding protection rings 41, spacer ring 40, cartridge 9, make cartridge 9 Expansion sealings, and now the first liquid flow hole 12 and the second liquid flow hole 13 are in connected state; Then transfer tubing string, top connection 2, fishing head, sealing shroud 6, the first lock dog 29 are descending, and sealing shroud 6 comes downwards to bypass sealing drum 39 places, close closed pore the first liquid flow hole 12.Deblocking: upper lifting pipe post, top connection 2, fishing head and sealing shroud 6 are up, and up drive the first lock dog 29 of fishing head is up, the first lock dog 29 drives deblocking cover up, cut off deblocking shear pin 28, continue upper lifting pipe post, packing element axle 3, gland 8, the 3rd lock dog 31 are up, it is up that the 3rd lock dog 31 promotes the second lock dog 30, packing element axle 3 articulates main piston 10 simultaneously, and main piston 10 articulates cylinder sleeve 14, drives lower cone and slips cover 42 up, slips 22 is retracted, and removes grappling.
Claims (10)
1. a perforating and fracturing packing device, is characterized in that comprising central tube, top connection, fishing head, packing element axle and lower cone, there is annular mounting groove inner side, upper end at central tube, the top of fishing head is sleeved on the outside, upper end of central tube, the upper outside of fishing head and inner side, the middle part of top connection are fixedly installed togather by left-hand thread screw thread, outside, middle part at fishing head is installed with sealing shroud, inner side, lower end at sealing shroud is fixed with joint ring platform, at the joint ring platform seat of honour, have gland, the upper end of gland is pressed between the lower end and sealing shroud of fishing head, the outside, upper end of the lower inside of gland and packing element axle is fixedly installed togather, joint ring platform is sleeved on the top of packing element axle, lower outside at packing element axle has packing element mounting groove, the cartridge of at least one is installed in packing element mounting groove, in the lower end of packing element axle, be mounted with and can block the also main piston of press seal packing element, there is annular groove in the outside of the central tube between main piston and joint ring platform, the top of packing element axle and lower end are set on the central tube of annular groove above and below, at the middle part of packing element axle, there is the first liquid flow hole being connected with annular groove, in the lower end of packing element axle and the upper end of main piston, there is respectively the second liquid flow hole being connected with annular groove, outside at main piston is set with cylinder sleeve, the lower inside of cylinder sleeve and the upper outside of lower cone are fixedly installed togather, the bottom of lower cone is sleeved on central tube, central tube, main piston, between cylinder sleeve and lower cone, form installation cavity, auxiliary piston and adapter sleeve are installed in installation cavity, the inner side, upper end of auxiliary piston and the outside, lower end of main piston are fixed together by starting shear pin, the upper end of adapter sleeve by least one the first fixture block, be installed on central tube and and central tube between have spacing, the upper end of adapter sleeve is articulated in the lower inside of auxiliary piston, the lower outside of adapter sleeve and the upper inner of lower cone are fixedly installed togather, on the central tube of corresponding adapter sleeve position, there is inlet opening, the bottom of auxiliary piston is sleeved between cylinder sleeve and adapter sleeve, outside, lower end at central tube is fixed with Ka Tai, between Ka Tai, central tube and lower cone, form slips mounting groove, the slips of at least two is installed along the circle spacing in slips mounting groove, outside, upper and lower at slips is distributed with respectively crown tooth towards the opposite, in the lower end outside of lower cone, there is high outside and low outside inclined-plane, in the upper inner of slips, have the inclined-plane matching with the outside, lower end of lower cone.
2. perforating and fracturing packing device according to claim 1, is characterized in that fishing head comprises the first cylindrical shell, the second cylindrical shell and the 3rd cylindrical shell, the outside, lower end of the first cylindrical shell and the inner side, upper end of the second cylindrical shell are fixed together, the upper end of the lower end of the second cylindrical shell and the 3rd cylindrical shell is fixed together, the first barrel jacket is contained in the outside, upper end of central tube, the inner side, middle part of top connection and the upper outside of the first cylindrical shell are fixedly installed togather by screw thread, and the lower outside of the upper inner of sealing shroud and the second cylindrical shell is fixedly installed togather, there is solution big envelope in the outside of the central tube between the first cylindrical shell and packing element axle, separate big envelope and comprise solution big envelope and lower solution big envelope, the outside, lower end of upper solution big envelope and the inner side, upper end of lower solution big envelope are fixed together, upper solution big envelope and central tube are fixed together by deblocking shear pin, the top of upper solution big envelope is sleeved between central tube and the second cylindrical shell, the middle part of lower solution big envelope is sleeved on the 3rd cylindrical shell, there is the first lock dog mounting groove of at least one inner side of second cylindrical shell corresponding with upper solution big envelope along circumference, in the first lock dog mounting groove, the first lock dog is installed, in the inner side of the first lock dog, be distributed with crown tooth upward.
3. perforating and fracturing packing device according to claim 2, is characterized in that there is spacing between lower solution big envelope and central tube, between central tube and lower solution big envelope, is set with the second lock dog, is distributed with crown tooth down in the inner side of the second lock dog; There is the 3rd lock dog mounting groove of at least one inner side, upper end at packing element axle along circumference, the 3rd lock dog is installed in the 3rd lock dog mounting groove, is distributed with crown tooth down in the inner side of the 3rd lock dog; Upper inner at cylinder sleeve is fixed with cylinder sleeve platform, cylinder sleeve platform is sleeved on the top of main piston, between main piston, cylinder sleeve and cylinder sleeve platform, form the first annular seal space, between central tube, packing element axle and main piston, form the second annular seal space, on main piston, have the relief hole being connected with the first annular seal space and the second annular seal space.
4. according to the perforating and fracturing packing device described in claim 1 or 2 or 3, the lower end edge circumference that it is characterized in that main piston has the second fixture block installing hole of at least one, in the second fixture block installing hole, be installed with the second fixture block, in the outside of central tube, there is the second fixture block mounting groove, the inner of the second fixture block is arranged in the second fixture block mounting groove, the inner top side face of the second fixture block is high outside and low outside inclined-plane, has the inclined-plane matching with the inner top side face of the second fixture block on the second fixture block mounting groove; The the first fixture block installing hole that has at least one at the upper end edge circumference of adapter sleeve, in the first fixture block installing hole, be installed with the first fixture block, in the outside of central tube, there is the first fixture block mounting groove, the inner of the first fixture block is arranged in the first fixture block mounting groove, the inside lower end face of the first fixture block is outer low and inner high inclined-plane, has the inclined-plane matching with the inside lower end face of the first fixture block on the first fixture block mounting groove.
5. according to the perforating and fracturing packing device described in claim 1 or 2 or 3, the outside that it is characterized in that the packing element axle between the first liquid flow hole and packing element mounting groove is fixed with packing element block, there is bypass sealing mounting groove in the outside of the packing element axle between the first liquid flow hole and packing element block, in bypass sealing mounting groove, is installed with bypass sealing drum; The cartridge of three is installed in packing element mounting groove, between adjacent two cartridge, is separately installed with spacer ring; Between the packing element axle between packing element block and adjacent seals packing element, protection ring is installed, between the packing element axle between main piston and adjacent seals packing element, protection ring is installed, protection ring is pressed on the upper surface of main piston.
6. perforating and fracturing packing device according to claim 4, the outside that it is characterized in that the packing element axle between the first liquid flow hole and packing element mounting groove is fixed with packing element block, there is bypass sealing mounting groove in the outside of the packing element axle between the first liquid flow hole and packing element block, in bypass sealing mounting groove, is installed with bypass sealing drum; The cartridge of three is installed in packing element mounting groove, between adjacent two cartridge, is separately installed with spacer ring; On the packing element axle between main piston and adjacent seals packing element, protection ring is installed, protection ring is pressed on the upper surface of main piston.
7. according to the perforating and fracturing packing device described in claim 1 or 2 or 3, the lower outside that it is characterized in that lower cone is mounted with slips cover, it is upper that the bottom of slips cover is sleeved on Ka Tai, in the outside, lower end of slips cover, is installed with back of the body cap, on the slips cover of corresponding slips position, has slips to stretch out hole; On the top of top connection, there are internal thread or external screw thread; There is external screw thread lower end at central tube.
8. perforating and fracturing packing device according to claim 4, the lower outside that it is characterized in that lower cone is mounted with slips cover, it is upper that the bottom of slips cover is sleeved on Ka Tai, in the outside, lower end of slips cover, is installed with back of the body cap, on the slips cover of corresponding slips position, has slips to stretch out hole; On the top of top connection, there are internal thread or external screw thread; There is external screw thread lower end at central tube.
9. perforating and fracturing packing device according to claim 6, the lower outside that it is characterized in that lower cone is mounted with slips cover, it is upper that the bottom of slips cover is sleeved on Ka Tai, in the outside, lower end of slips cover, is installed with back of the body cap, on the slips cover of corresponding slips position, has slips to stretch out hole; On the top of top connection, there are internal thread or external screw thread; There is external screw thread lower end at central tube.
10. perforating and fracturing packing device according to claim 9, it is characterized in that by screw thread, being fixedly installed togather between sealing shroud and the second cylindrical shell, between packing element axle and gland, by screw thread, be fixedly installed togather, between lower cone and cylinder sleeve, by screw thread, be fixedly installed togather, between back of the body cap and slips cover, by screw thread, be fixedly installed togather; Between top connection and the first cylindrical shell, sealing ring is installed; Between the first cylindrical shell and central tube, sealing ring is installed; Between sealing shroud and packing element axle, sealing ring is installed; Between packing element axle and central tube, sealing ring is installed; Sealing ring at least is together installed between main piston and cylinder sleeve; Sealing ring at least is together installed between main piston and central tube; Sealing ring at least is together installed between auxiliary piston and cylinder sleeve; Sealing ring at least is together installed between auxiliary piston and adapter sleeve; Sealing ring at least is together installed between adapter sleeve and lower cone; Sealing ring at least is together installed between lower cone and central tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571815.6U CN203515455U (en) | 2013-09-13 | 2013-09-13 | Perforation fracturing packer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571815.6U CN203515455U (en) | 2013-09-13 | 2013-09-13 | Perforation fracturing packer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515455U true CN203515455U (en) | 2014-04-02 |
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ID=50374402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320571815.6U Withdrawn - After Issue CN203515455U (en) | 2013-09-13 | 2013-09-13 | Perforation fracturing packer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742099A (en) * | 2013-09-13 | 2014-04-23 | 中国石油集团西部钻探工程有限公司 | Perforation, fracturing, sealing and separating device |
-
2013
- 2013-09-13 CN CN201320571815.6U patent/CN203515455U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742099A (en) * | 2013-09-13 | 2014-04-23 | 中国石油集团西部钻探工程有限公司 | Perforation, fracturing, sealing and separating device |
| CN103742099B (en) * | 2013-09-13 | 2016-06-01 | 中国石油集团西部钻探工程有限公司 | Perforating and fracturing packing device |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20160601 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |