CN204804727U - Hanger, deblocking lift device and send into seat encapsulation and put - Google Patents
Hanger, deblocking lift device and send into seat encapsulation and put Download PDFInfo
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- CN204804727U CN204804727U CN201520325120.9U CN201520325120U CN204804727U CN 204804727 U CN204804727 U CN 204804727U CN 201520325120 U CN201520325120 U CN 201520325120U CN 204804727 U CN204804727 U CN 204804727U
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Abstract
The utility model provides a hanger, deblocking lift device and send into seat encapsulation and put, this hanger includes: urceolus, anchoring are sealed up a tieback section of thick bamboo, dabber, packing element assembly, a slips section of thick bamboo, are gone up cone, lower cone, elastic claw, lower clutch, lower guide, deblocking pin, shearing ring, the sealed tieback section of thick bamboo of anchoring is installed in the urceolus, the upper end of dabber and the sub -unit connection of the sealed tieback section of thick bamboo of anchoring, be equipped with the ring cavity between the lower extreme of dabber and the lower cone that the upper end outside is the under the narrow width form, elastic claw upper portion suit is in the ring cavity, the middle part inboard of elastic claw is equipped with ka tai, the lower extreme seat of dabber is at a calorie bench, the lower extreme inboard of elastic claw is equipped with the deblocking pin, install the shearing ring on the deblocking pin, install in the inboard first annular that sets up in the upper portion of lower clutch the lower part of cone down, the elastic claw lower extreme outside is equipped with the dop, the dop card is in first annular. The utility model discloses the realization hanger is recoverable.
Description
Technical field
The utility model relates to oil field hanger technical field, particularly relates to a kind of hanger, solution seals up and carry device and send into setting device.
Background technology
In oil well probing, in order to Reinforcing Shaft and the mutual interference preventing oil well interlayer (oil, vapour, water layer), need to enter sleeve pipe under in oil well, and sleeve pipe, with fixed sleeving, is generally sent into oil well by hanger by grout injection between well and sleeve pipe.
At present, in the process of practical application, by send into setting device by under hanger to precalculated position, when the setting device of feeding to hanger setting complete after, setting for feedings device is proposed oil well and slips out of the hand to hanger with realization, slipping out of the hand, rear overhang hanging device is retained in oil well, then to grout injection between well and sleeve pipe, cement paste can through hanger, and poured between well and sleeve pipe after cement paste, hanger is by cement solidification.
But, in prior art, do not carry out hanger unsealing operation, but hanger will be retained in cement, cause hanger to reuse.
Utility model content
The utility model provides a kind of hanger, solution is sealed up and carried device and send into setting device, achieves hanger recyclable.
First aspect, the utility model provides a kind of hanger, comprising: urceolus, grappling sealing tie-back sleeve, mandrel, packing element assembly, slips cylinder, upper cone, lower cone, elastic claw, lower contact, lower guide, deblocking pin, shearing ring; Wherein,
Described grappling sealing tie-back sleeve is arranged in described urceolus, the bottom that upper end and the described grappling of described mandrel seal tie-back sleeve is connected, ring cavity is provided with between described lower cone in up-narrow and down-wide shape outside the lower end of described mandrel and upper end, the top of described elastic claw is sleeved in described ring cavity, the inside middle portion of described elastic claw is provided with chuck, the lower end seat of described mandrel is in described chuck, the lower end inside of described elastic claw is provided with described deblocking pin, described deblocking pin is provided with described shearing ring, the bottom of described lower cone is arranged in first annular groove of upper inner setting of described lower contact, the lower end outside of described elastic claw is provided with dop, described dop is stuck in described first annular groove,
The lower end of described slips cylinder is sleeved on outside the upper end of described lower cone, the top of described slips cylinder is provided with lower guide, the upper end of described lower guide be provided be sleeved on described mandrel first in land, the bottom of described slips cylinder is provided with slips, and the upper end of described lower cone is stuck in described slips;
Be provided with lower end in described lower guide and described slips cylinder be bottom-narrow and top-wide state and be stuck in the upper cone in described slips, described upper cone connects the limiting stand of described mandrel arranged outside, described mandrel above described lower guide is set with packing element assembly, the upper end of described packing element assembly is provided with described upper guide, the lower end of described upper guide is provided with and is sleeved on land in second on mandrel, the upper end of described upper guide is installed with lock ring urceolus, described lock ring urceolus is connected with described mandrel, and the lower end of described urceolus is arranged on the outside of described lock ring urceolus.
Hanger as above, the upper inner of described lock ring urceolus is provided with C shape ring, saw-tooth thread is provided with inside described C shape ring, be provided with the saw-tooth thread that crown is meshed outside described mandrel in described second between land with described lock ring urceolus top down and with the saw-tooth thread inside described C shape ring, described mandrel is provided with elongated slot and is provided with the flat key be connected with described C shape ring.
Hanger as above, is provided with extension diameter section inside the upper end of described urceolus, is provided with zigzag levogyrate inner thread inside the upper end of described grappling sealing tie-back sleeve, is provided with at least two straight keyways outside the upper end of described grappling sealing tie-back sleeve.
Hanger as above, described packing element assembly comprises back of the body ring, end packing element, the first spacer ring, middle packing element; Described back of the body ring, described end packing element, described first spacer ring, described middle packing element, described first spacer ring, described end packing element and described back of the body ring is sequentially set with from top to bottom outside described mandrel.
Hanger as above, the lower inside of described grappling sealing tie-back sleeve is provided with the second annular groove, and the upper end of described mandrel is positioned at described second annular groove and seals tie-back sleeve with described grappling and is connected.
Hanger as above, between described grappling sealing tie-back sleeve and described mandrel, sealing ring is installed, between land and described mandrel, sealing ring is installed in described second, pin is installed with, described elastic claw and be separately installed with sealing ring between described mandrel and described lower cone between described slips cylinder and described upper cone.
Second aspect, the utility model also provide a kind of and upper described hanger with the use of solution seal up and carry device, comprising: top connection, upper mandrel, connecting cylinder, lower mandrel, release piece cylinder, the first Compress Spring, safety pin, safety collar, lower baffle ring; Wherein,
The lower end inside of described top connection is connected with outside the upper end of described upper mandrel;
Described upper mandrel, connecting cylinder described at least one are connected from top to bottom successively with described lower mandrel;
The lower end outside of described lower mandrel is provided with described lower baffle ring, described safety collar is arranged on described lower mandrel by described safety pin, described lower mandrel is provided with projection, lower mandrel between bottom the top of described release piece cylinder and described connecting cylinder is set with described first Compress Spring, the inner clip head coordinated with described lower stem seal is provided with inside the upper end of described release piece cylinder, the bottom of described release piece cylinder is positioned at described protruding below, the lower end edge circumferentially-spaced of described release piece cylinder has outside to be provided with protruding described ratchet, the lower end of described ratchet is against on the lateral surface of described safety collar.
Solution as above is sealed up and is carried device, and described solution is sealed up and carried device and also comprise: anchored joint, ratchet cylinder;
The upper outside of described upper mandrel is provided with lining, up-narrow and down-wide step is had in described lining, described upper mandrel is provided with keyway, in described keyway, flat key is installed, described anchored joint is connected with described flat key, described anchored joint can move up and down along described flat key, the upper end of described anchored joint is positioned at the top of described step, the outside of described anchored joint is provided with described ratchet cylinder, the lower end edge circumferentially-spaced of described ratchet cylinder has ratchet block, and the outside of described ratchet block is provided with crown buttless thread upward.
The third aspect, the utility model also provide a kind of and upper described hanger with the use of the setting device of feeding, comprising: top connection, piston mandrel, jointing, central tube, ball seat jointing and grappling ratchet cylinder; Wherein,
The lower end inside of described top connection is connected with outside the upper end of described piston mandrel, the lower end outside of described piston mandrel is connected with inside the upper end of jointing, the lower end inside of described jointing is connected with outside the upper end of described central tube, and the lower end outside of described central tube is connected with inside the upper end of described ball seat jointing;
The lower end inside of described ball seat jointing is provided with ball seat, the lower end outside of described ball seat is installed with baffle ring by shear pin, described baffle ring is provided with lower radial direction through hole, the upper end of described baffle ring is positioned at outside described ball seat jointing, described ball seat jointing is provided with boss, the ball seat jointing between the upper end of described boss and described baffle ring is sequentially set with at least one second spacer ring and at least one joint ring from top to bottom;
Piston urceolus is installed outside described top connection, between described piston urceolus and described piston mandrel, there is ring cavity, be provided with by cutting off the piston be fixedly connected with described piston mandrel in described ring cavity, the first spacing is had between described piston and described top connection, radial direction through hole on described piston mandrel has, the lower end outside of piston is installed with setting body, and the lower end edge circumferentially-spaced of described setting body has ratchet, and the lower end outside of described setting body is provided with setting cylinder;
The lower end outside of described jointing is provided with the support ring offseted with described ratchet, projection is provided with outside described ratchet, boss is provided with outside the middle part of described central tube, the outside of described central tube is provided with flat key, the lower end edge circumferentially-spaced of described grappling ratchet cylinder has ratchet pawl, described ratchet pawl is provided with crown buttless thread upward, the top of described grappling ratchet cylinder is connected with flat key, the top of described grappling ratchet cylinder can move up and down along flat key, described central tube between described grappling ratchet cylinder top and described support ring is set with the second Compress Spring, the wide at the top and narrow at the bottom ring of giving up of external diameter is installed with by screw of giving up in cavity between described ratchet pawl and described central tube, the lower end inside of described ring of giving up has the inner convex platform coordinated with described basepipe seal, central tube above described inner convex platform is provided with middle radial direction through hole, the cavity that described middle radial direction through hole is formed with described central tube and described ring of giving up communicates, to give up described in described ratchet pawl is positioned at the top of ring.
The setting device of feeding as above, described piston and be separately installed with sealing ring between described piston urceolus and described piston mandrel, described top connection and be separately installed with sealing ring between described piston urceolus and described piston mandrel.
The hanger that the utility model provides, solution is sealed up and is carried device and send into setting device, when the setting device of feeding completes hanger is setting, and send into after setting device gives up to this hanger, enter solution under in hanger to seal up and carry device, when solution seal up the release piece cylinder carried in device encounter the shearing ring on hanger time, under the effect of downforce, release piece cylinder inwardly shrinks, the lower end of shearing ring is stuck in by the undergauge of shearing ring, then upwards put forward solution to seal up and carry device, because solution seals up the lower end that the safety collar carrying device is positioned at release piece cylinder, release piece cylinder cannot inwardly be shunk, and then ensure in the upper process carried, release piece cylinder is stuck in the lower end of shearing ring all the time, when power is upwards enough large, deblocking pin in hanger is cut off, make to lose between shearing ring with elastic claw to be fixedly connected with, and then under the effect of power upwards, release piece cylinder moves up with shearing ring, simultaneously, shearing ring is with the mandrel of hanger, grappling sealing tie-back sleeve, C shape ring, lock ring urceolus, urceolus, upper guide is up, packing element assembly is discharged have living space, said modules continues up, mandrel drives upper centrum up, slips is made to lose support, slips falls after rise under the compression of spring, separate with sleeve pipe, continuation is put forward solution to seal up and carry device, make all component of hanger all can propose oil well, make hanger recyclable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the hanger that Fig. 1 provides for the utility model;
Fig. 2 seals up the structural representation carrying device for the solution that the utility model provides;
The structural representation of the setting device of feeding that Fig. 3 provides for the utility model;
Fig. 4 is the utility model hanger provided and the cooperation schematic diagram one sending into setting device;
Fig. 5 is the utility model hanger provided and the cooperation schematic diagram two sending into setting device;
The hanger that Fig. 6 provides for the utility model is conciliate to seal up and is carried device and coordinate schematic diagram one;
The hanger that Fig. 7 provides for the utility model is conciliate to seal up and is carried device and coordinate schematic diagram two.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the hanger that Fig. 1 provides for the utility model; Please refer to Fig. 1, the hanger that the present embodiment provides, comprising: urceolus 1, grappling sealing tie-back sleeve 2, mandrel 9, packing element assembly, slips cylinder 15, upper cone 16, lower cone 20, elastic claw 22, lower contact 25, lower guide 14, deblocking pin 23, shearing ring 24;
Wherein, grappling sealing tie-back sleeve 2 is arranged in urceolus 1, the bottom that upper end and the grappling of mandrel 9 seal tie-back sleeve 2 is connected, ring cavity 21 is provided with between lower cone 20 in up-narrow and down-wide shape outside the lower end of mandrel 9 and upper end, the top of elastic claw 22 is sleeved in ring cavity 21, the inside middle portion of elastic claw 22 is provided with chuck 37, the lower end seat of mandrel 9 is in chuck 37, the lower end inside of elastic claw 22 is provided with deblocking pin 23, deblocking pin 23 is provided with shearing ring 24, (not shown) in the first annular groove that the upper inner that the bottom of lower cone 20 is arranged on lower contact 25 is arranged, the lower end outside of elastic claw 22 is provided with dop (not shown), dop is stuck in the first annular groove,
The lower end of slips cylinder 15 is sleeved on outside the upper end of lower cone 20, the top of slips cylinder 15 is provided with lower guide 14, the upper end of lower guide 14 be provided be sleeved on mandrel 9 first in land 50, the bottom of slips cylinder 15 is provided with slips 18, and the upper end of lower cone 20 is stuck in slips 18;
Be provided with lower end in lower guide 14 and slips cylinder 15 be bottom-narrow and top-wide state and be stuck in the upper cone 16 in slips 18, the limiting stand 55 of upper cone 16 connecting mandrel 9 arranged outside, mandrel 9 above lower guide 14 is set with packing element assembly, the upper end of packing element assembly is provided with guide 8, the lower end of upper guide 8 be provided be sleeved on mandrel 9 second in land 61, the upper end of upper guide 8 is installed with lock ring urceolus 7, and lock ring urceolus 7 is connected with mandrel 9, and the lower end of urceolus 1 is arranged on the outside of lock ring urceolus 7.
Use in the process of hanger concrete, first arrive precalculated position by sending into setting device by under hanger, when the setting device of feeding to hanger setting complete after, setting for feedings device is proposed oil well and slips out of the hand to hanger with realization, slipping out of the hand, rear overhang hanging device is retained in oil well.For the concrete engagement process sending into setting device and hanger, will be described in detail in subsequent embodiment.
Be retained in after in oil well at hanger, use solution to seal up and carry device, before hanger solidifies by cement, this hanger is proposed oil well, solution is sealed up to the concrete structure carrying device, will be described in detail in subsequent embodiment.
Particularly, enter solution under in hanger to seal up and carry device, when solution seal up the release piece cylinder carried in device encounter the shearing ring on hanger time, under the effect of downforce, release piece cylinder inwardly shrinks, the lower end of shearing ring is stuck in by the undergauge of shearing ring, then upwards put forward solution to seal up and carry device, because solution seals up the lower end that the safety collar carrying device is positioned at release piece cylinder, release piece cylinder cannot inwardly be shunk, and then ensure in the upper process carried, release piece cylinder is stuck in the lower end of shearing ring all the time, when power is upwards enough large, deblocking pin in hanger is cut off, make to lose between shearing ring with elastic claw to be fixedly connected with, and then under the effect of power upwards, release piece cylinder moves up with shearing ring, simultaneously, shearing ring is with the mandrel of hanger, grappling sealing tie-back sleeve, C shape ring, lock ring urceolus, urceolus, upper guide is up, packing element assembly is discharged have living space, said modules continues up, mandrel drives upper centrum up, slips is made to lose support, slips falls after rise under the compression of spring, separate with sleeve pipe, continuation is put forward solution to seal up and carry device, hanger is made to depart from oil well, thus can repeat to recycle.
Above-mentioned embodiment illustrated in fig. 1 in, further, hanger can also comprise extension diameter section 72, extension diameter section 72 is arranged on inside the upper end of urceolus 1, be provided with zigzag levogyrate inner thread (not shown) inside the upper end of grappling sealing tie-back sleeve 2, outside the upper end of grappling sealing tie-back sleeve 2, be provided with at least two straight keyways 73.
Hanger can also comprise C shape ring 5, flat key 6, accordingly, lock ring urceolus 7 can be connected in the following manner with mandrel 9: the upper inner of lock ring urceolus 7 is installed with C shape ring 5 by saw-tooth thread, saw-tooth thread (not shown) is provided with inside C shape ring 5, be provided with the saw-tooth thread (not shown) that crown is meshed outside mandrel 9 in second between land 61 with lock ring urceolus 7 top down and with the saw-tooth thread inside C shape ring 5, mandrel 9 is provided with elongated slot (not shown) and is provided with the flat key 6 be connected with C shape ring 5.
Packing element assembly can comprise back of the body ring 10, end packing element 11, first spacer ring 12, middle packing element 13, is sequentially set with back of the body ring 10, end packing element 11, first spacer ring 12, middle packing element 13, first spacer ring 12, end packing element 11 and back of the body ring 10 outside mandrel 9 from top to bottom; Organize packing element because packing element assembly comprises more, end packing element 11 can not be identical in length, hardness with middle packing element 13, copper back of the body ring is designed with at two ends, ensure that effective isolation of (70MPa) hanger and casing annulus in a high voltage state, effectively can solve existing hanger and cannot meet the problem applied at carbonate reservoir.
In embody rule process, in the embodiment shown in fig. 1, preferably, grappling sealing tie-back sleeve 2 can be cut off 4 and is fixedly mounted in urceolus 1 by setting, and upper cone 16 can by the limiting stand 55 of setting pin 17 connecting mandrel 9 arranged outside; The bottom that upper end and the grappling of mandrel 9 seal tie-back sleeve 2 is carried out being connected and can be carried out in the following manner: the lower inside that grappling seals tie-back sleeve 2 is provided with the second annular groove (not shown), and the upper end of mandrel 9 is positioned at the second annular groove and seals tie-back sleeve 2 with grappling and is connected; Between grappling sealing tie-back sleeve 2 and mandrel 9, sealing ring 3 is installed, between land 61 and mandrel 9, sealing ring 3 is installed in second, pin (not shown) is installed with, elastic claw 22 and be separately installed with sealing ring 3 between mandrel 9 and lower cone 20 between slips cylinder 15 and upper cone 16.
Particularly, in the following manner slips 18 can be set in the bottom of slips cylinder 15: be circumferentially provided with at least two elongated slot (not shown) in the bottom of slips cylinder 15, in elongated slot, by spring 19, the slips 18 that can be pressed in by spring 19 in elongated slot is installed, slips 18 is inwardly pushed down when sending into setting device and entering well, enter smoothly under can guaranteeing, when needing after setting to reclaim, spring 19 also provides in inside power and pushes away slips 18, slips 18 is assisted to reclaim, and because slips 18 occlusal contact area is large, thus make setting after, hanger and casing anchor determine dependable performance, pulling force can be born, pressure and intermediateness power, the pressure above and below from hanger and load can be born, realize Bidirectional locking, sealing function, the interior latus rectum of hanger can also be increased, make interior latus rectum to meet requirement of engineering, the downhole tool making external diameter larger can smoothly under enter, pass through, use.
Adopt specific embodiment below, the structure carried device and send into setting device is sealed up to solution and is described in detail.
Fig. 2 seals up the structural representation carrying device for the solution that the utility model provides; Please refer to Fig. 2, this enforcement provide with above-mentioned hanger with the use of solution seal up and carry device, comprising: joint 48, upper mandrel 53, connecting cylinder 54, lower mandrel 57, release piece cylinder 56, first Compress Spring 36, safety pin 58, safety collar 59, lower baffle ring 60; Wherein,
The lower end inside of joint 48 is connected with outside the upper end of upper mandrel 53;
Upper mandrel 53, at least one connecting cylinder 54 are connected from top to bottom successively with lower mandrel 57;
The lower end outside of lower mandrel 57 is provided with lower baffle ring 60, safety collar 59 is arranged on lower mandrel 57 by safety pin 58, lower mandrel 57 is provided with protruding (not shown), lower mandrel 57 between bottom the top of release piece cylinder 56 and connecting cylinder 54 is set with the first Compress Spring 36, the inner clip head 70 be sealed and matched with lower mandrel 57 is provided with inside the upper end of release piece cylinder 56, the bottom of release piece cylinder 56 is positioned at protruding below, the lower end edge circumferentially-spaced of release piece cylinder 56 has outside to be provided with protruding ratchet 65, and the lower end of ratchet 65 is against on the lateral surface of safety collar 59.
Above-mentioned embodiment illustrated in fig. 2 in, further, solution is sealed up and is carried device and can also comprise: anchored joint 52, ratchet cylinder 51; Wherein, the upper outside of upper mandrel 53 is provided with lining 49, up-narrow and down-wide step (not shown) is had in lining 49, upper mandrel 53 is provided with keyway (not shown), flat key 6 is installed in keyway, anchored joint 52 is connected with flat key 6, anchored joint 52 can move up and down along flat key 6, the upper end of anchored joint 52 is positioned at the top of step, the outside of anchored joint 52 is provided with ratchet cylinder 51, the lower end edge circumferentially-spaced of ratchet cylinder 51 has ratchet block 69, and the outside of ratchet block 69 is provided with crown buttless thread upward.
The structural representation of the setting device of feeding that Fig. 3 provides for the utility model; Please refer to Fig. 3, the present embodiment provide with above-mentioned hanger with the use of the setting device of feeding, comprising: top connection 26, piston mandrel 30, jointing 32, central tube 35, ball seat jointing 41 and grappling ratchet cylinder 38; Wherein,
The lower end inside of top connection 26 is connected with outside the upper end of piston mandrel 30, the lower end outside of piston mandrel 30 is connected with inside the upper end of jointing 32, the lower end inside of jointing 32 is connected with outside the upper end of central tube 35, and the lower end outside of central tube 35 is connected with inside the upper end of ball seat jointing 41;
The lower end inside of ball seat jointing 41 is provided with ball seat 45, the lower end outside of ball seat 45 is installed with baffle ring 47 by shear pin 46, baffle ring 47 is provided with lower radial direction through hole 62, the upper end of baffle ring 47 is positioned at outside ball seat jointing 41, ball seat jointing 41 is provided with boss 63, the ball seat jointing 41 between the upper end of boss 63 and baffle ring 47 is sequentially set with at least one second spacer ring 42 and at least one joint ring 43 from top to bottom;
Piston urceolus 28 is installed outside top connection 26, there is between piston urceolus 28 and piston mandrel 30 ring cavity 21, be provided with by cutting off 27 pistons 29 be fixedly connected with piston mandrel 30 in ring cavity 21, the first spacing is had between piston 29 and top connection 26, radial direction through hole 64 on piston mandrel 30 has, the lower end outside of piston 29 is installed with setting body 31, and the lower end edge circumferentially-spaced of setting body 31 has ratchet 65, and the lower end outside of setting body 31 is provided with setting cylinder 33;
The lower end outside of jointing 32 is provided with the support ring 34 offseted with ratchet 65, projection is provided with outside ratchet 65, boss 63 is provided with outside the middle part of central tube 35, the outside of central tube 35 is provided with flat key 6, the lower end edge circumferentially-spaced of grappling ratchet cylinder 38 has ratchet pawl 66, ratchet pawl 66 is provided with crown buttless thread upward, the top of grappling ratchet cylinder 38 is connected with flat key 6, the top of grappling ratchet cylinder 38 can move up and down along flat key 6, central tube 35 between grappling ratchet cylinder 38 top and support ring 34 is set with the second Compress Spring 74, the wide at the top and narrow at the bottom ring 40 of giving up of external diameter is installed with by screw 39 of giving up in cavity between ratchet pawl 66 and central tube 35, the lower end inside of ring 40 of giving up has the inner convex platform 67 be sealed and matched with central tube 35, central tube 35 above inner convex platform 67 is provided with middle radial direction through hole 68, the cavity that middle radial direction through hole 68 is formed with central tube 35 and ring 40 of giving up communicates, ratchet pawl 66 is positioned at the top of ring 40 of giving up.
Preferably, piston 29 and be separately installed with sealing ring 3 between piston urceolus 28 and piston mandrel 30, top connection 26 and be separately installed with sealing ring 3 between piston urceolus 28 and piston mandrel 30.
Below in conjunction with Fig. 1 to Fig. 3, and Fig. 4 to Fig. 7, seal up to the feeding setting procedure of hanger of the present utility model and solution the process of putting forward to be described in detail, wherein, the hanger that Fig. 4 provides for the utility model and the cooperation schematic diagram one, Fig. 5 sending into setting device are the hanger that the utility model provides and the cooperation schematic diagram two sending into setting device; The hanger that Fig. 6 provides for the utility model is conciliate to seal up and is carried device and coordinate schematic diagram one; The hanger that Fig. 7 provides for the utility model is conciliate to seal up and is carried device and coordinate schematic diagram two.
That 1, sends into setting device and hanger enters well
With reference to Fig. 1 and Fig. 3, send into together with setting device is installed to hanger, the buttless thread sending into the grappling sealing tie-back sleeve 2 of buttless thread in the ratchet pawl 66 on the grappling ratchet cylinder 38 of setting device and hanger body coordinates, the pulling force of bottom tubing string can be born, and the inner expanding end of the urceolus 1 of the projection sent on the ratchet 65 of setting device and hanger matches, under the effect of support ring 34, setting body 31 also can bear power downward or upward; Joint ring 43 and grappling sealing tie-back sleeve 2 inner surface match, and ensure that sending into setting device inside is seal cavity; Wherein, the lower surface of setting cylinder 33 and the upper surface of urceolus 1 are close to.
2, setting to hanger of setting device is sent into
With reference to Fig. 1 and Fig. 3, feeding setting device with under hanger behind precalculated position, from pitching in tubing string 44 to the setting device ball seat 45 of feeding, after ball 44 is taken a seat, suppress in tubing string, pressure is delivered to the confined space of piston 29 and piston urceolus 28 composition from the upper radial direction through hole 64 piston mandrel 30, when pressure becomes large, cut off 27 to cut off, piston 29 is descending, the setting cylinder 33 that piston 29 is installed is also descending, promote urceolus 1 descending, urceolus 1 promotes lock ring 5 and lock ring urceolus 7 is descending, compression packing element assembly, when power is larger, setting pin 17 is cut off, piston 29, setting body 31, setting cylinder 33, urceolus 1, lock ring 5, lock ring urceolus 7, upper guide 8, back of the body ring 10, end packing element 11, first spacer ring 12, middle packing element 13, first spacer ring 12, end packing element 11, back of the body ring 10, lower guide 14, slips cylinder 15, upper cone 16 is descending, slips 18 slides along the conical surface of upper cone 16 and lower cone 20, the external surface of outstanding slips cylinder 15, be engaged with sleeve pipe, realize setting, when lock ring 5 and lock ring urceolus 7 slide along mandrel 9, the saw-tooth thread on the saw-tooth thread on lock ring 5 and mandrel 9 matches, and this screw thread can only unidirectionally slide, and realizes hanger packing element compression locking.
Realizing in the setting process of hanger above by the setting device of feeding, on the one hand, only having to the setting device pitching of feeding and after pressurization, just can perform setting action, avoid in well process setting in advance; On the other hand, setting when giving up, annular space can be adopted to suppress mode or mechanical system is given up, make to give up more reliable.
3, giving up of setting device is sent into
When by send into setting device realize hanger setting after, also need setting for feedings device proposition well head.With reference to Fig. 4 and Fig. 5, suppress to annular space, when annular pressure reaches certain value, ring 40 of giving up moves upward, shearing is given up pin 39, after ring 40 of giving up moves upward, loses the inside resilience of grappling ratchet cylinder 38 of support, saw-tooth thread in ratchet pawl 66 on grappling ratchet cylinder 38 and grappling sealing tie-back sleeve 2 on thread separation, can directly on submit seal apparatus of taking a seat to well head.
It should be noted that, for the well that can not carry out applied pressure by annulus, also can direct dextrorotation tubing string, the saw-tooth thread that the saw-tooth thread in the ratchet pawl 66 on grappling ratchet cylinder 38 and grappling sealing tie-back sleeve 2 are connected is outwarded winding, and then realizes giving up.
Also it should be noted that, after sending into setting device proposition well head, when some device (such as sleeve pipe) in oil well occurs abnormal, and need to send into setting device when again coordinating hanger to perform some operation, the setting device of feeding can be lowered in hanger again, and the annexation recovered sending into setting device proposition oil well front lower take a seat seal apparatus and hanger, and then can realize sending into the necessary operation of setting device cooperation hanger execution.
4, sealed up by solution and carry device to hanger deblocking
When the hanger being arranged in oil well needs to be recovered, first solution is sealed up and carry device and be lowered into precalculated position in hanger, then carry by solution being sealed up carry on device, hanger is proposed oil well, concrete, can be realized by following two steps:
Step one, solution sealed up and carries device and be lowered into precalculated position in hanger:
With reference to Fig. 1, Fig. 2 and Fig. 6, solution is sealed up carry device be lowered into hanger grappling sealing tie-back sleeve in, and move down along the grappling sealing tie-back sleeve of hanger, when the ratchet 65 that solution seals up the release piece cylinder 56 carried in device encounters the shearing ring 24 in hanger, because the ratchet 65 of release piece cylinder 56 has outwardly convex, make ratchet 65 cannot smoothly by the undergauge of shearing ring 24, now, solution is sealed up and puies forward device applying downforce, make the upper end of shearing ring 24 can head on the lower end of the ratchet 65 of release piece cylinder 56, release piece cylinder 56 is moved up along lower mandrel 57 by the first Compress Spring 36, simultaneously, under the effect of downforce, ratchet 65 is inwardly shunk, and be stuck in shearing ring 24 lower end by the undergauge of shearing ring 24, now, solution is sealed up and is carried device and be successfully lowered into precalculated position in hanger.
Step 2, to be sealed up by solution and carry device hanger is proposed oil well:
With reference to Fig. 1, Fig. 2 and Fig. 7, by the operation of step one, solution is sealed up carry the ratchet 65 of the release piece cylinder 56 of device to be stuck in shearing ring 24 lower end of hanger, then seal up and carry device to putting forward solution and apply power upwards, because solution seals up ratchet 65 lower end that the safety collar 59 carrying device is positioned at release piece cylinder 56, release piece cylinder 56 cannot be moved down, also cannot inwardly shrink, and then ensure in the upper process carried, the ratchet 65 of release piece cylinder 56 is stuck in the lower end of shearing ring 24 all the time, when power is upwards enough large, deblocking pin 23 in hanger is cut off, make to lose between shearing ring 24 with elastic claw 22 to be fixedly connected with, and then under the effect of power upwards, ratchet 65 moves up with shearing ring 24, then shearing ring 24 is with mandrel 9, grappling sealing tie-back sleeve 2, C shape ring 5, lock ring urceolus 7, urceolus 1, upper guides 8 etc. are up, packing element assembly is discharged have living space, said modules continues up, mandrel 9 drives upper centrum 16 up, slips 18 is made to lose support, slips 18 falls after rise under the compression of spring 19, separate with sleeve pipe, continuation is carried, the all component of hanger all can propose oil well, hanger can be recovered.
Carry device in the process of hanger deblocking being sealed up by solution, if non-displacement carried by hanger, namely when hanger reclaims unsuccessfully, safety pin 58 is cut off, and safety collar 59 shifts out release piece 56 bottom, release piece 56 bounces back, shearing ring 24 undergauge can be carried, dextrorotation tubing string, ratchet cylinder 51 is separated with grappling sealing tie-back sleeve 2, and then solution sealed up carry deblocking device and propose oil well, solution is sealed up and carries device and reclaim.
Carry in process that device reclaims hanger sealing up above by solution, on the one hand, only need by solution is sealed up carry device transfer tubing string carry out on carry, simple to operation; On the other hand, be designed with safety pin owing to sealing up to carry in device in solution, when deblocking failure, when upper lifting force reaches certain value, by safety pin is cut off, solution can be sealed up and carry device proposition well head, also can realize sealing up to solution the recovery carrying device.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a hanger, is characterized in that, comprising: urceolus, grappling sealing tie-back sleeve, mandrel, packing element assembly, slips cylinder, upper cone, lower cone, elastic claw, lower contact, lower guide, deblocking pin, shearing ring; Wherein,
Described grappling sealing tie-back sleeve is arranged in described urceolus, the bottom that upper end and the described grappling of described mandrel seal tie-back sleeve is connected, ring cavity is provided with between described lower cone in up-narrow and down-wide shape outside the lower end of described mandrel and upper end, the top of described elastic claw is sleeved in described ring cavity, the inside middle portion of described elastic claw is provided with chuck, the lower end seat of described mandrel is in described chuck, the lower end inside of described elastic claw is provided with described deblocking pin, described deblocking pin is provided with described shearing ring, the bottom of described lower cone is arranged in first annular groove of upper inner setting of described lower contact, the lower end outside of described elastic claw is provided with dop, described dop is stuck in described first annular groove,
The lower end of described slips cylinder is sleeved on outside the upper end of described lower cone, the top of described slips cylinder is provided with lower guide, the upper end of described lower guide be provided be sleeved on described mandrel first in land, the bottom of described slips cylinder is provided with slips, and the upper end of described lower cone is stuck in described slips;
Be provided with lower end in described lower guide and described slips cylinder be bottom-narrow and top-wide state and be stuck in the upper cone in described slips, described upper cone connects the limiting stand of described mandrel arranged outside, described mandrel above described lower guide is set with packing element assembly, the upper end of described packing element assembly is provided with guide, the lower end of described upper guide is provided with and is sleeved on land in second on mandrel, the upper end of described upper guide is installed with lock ring urceolus, described lock ring urceolus is connected with described mandrel, and the lower end of described urceolus is arranged on the outside of described lock ring urceolus.
2. hanger according to claim 1, it is characterized in that, the upper inner of described lock ring urceolus is provided with C shape ring, saw-tooth thread is provided with inside described C shape ring, be provided with the saw-tooth thread that crown is meshed outside described mandrel in described second between land with described lock ring urceolus top down and with the saw-tooth thread inside described C shape ring, described mandrel is provided with elongated slot and is provided with the flat key be connected with described C shape ring.
3. hanger according to claim 1, it is characterized in that, be provided with extension diameter section inside the upper end of described urceolus, inside the upper end of described grappling sealing tie-back sleeve, be provided with zigzag levogyrate inner thread, outside the upper end of described grappling sealing tie-back sleeve, be provided with at least two straight keyways.
4. hanger according to claim 1, is characterized in that, described packing element assembly comprises back of the body ring, end packing element, the first spacer ring, middle packing element; Described back of the body ring, described end packing element, described first spacer ring, described middle packing element, described first spacer ring, described end packing element and described back of the body ring is sequentially set with from top to bottom outside described mandrel.
5. hanger according to claim 1, is characterized in that, the lower inside of described grappling sealing tie-back sleeve is provided with the second annular groove, and the upper end of described mandrel is positioned at described second annular groove and seals tie-back sleeve with described grappling and is connected.
6. the hanger according to any one of claim 1-5, it is characterized in that, between described grappling sealing tie-back sleeve and described mandrel, sealing ring is installed, between land and described mandrel, sealing ring is installed in described second, pin is installed with, described elastic claw and be separately installed with sealing ring between described mandrel and described lower cone between described slips cylinder and described upper cone.
7. one kind with the hanger as described in any one of claim 1-6 with the use of solution seal up and carry device, it is characterized in that, comprising: top connection, upper mandrel, connecting cylinder, lower mandrel, release piece cylinder, the first Compress Spring, safety pin, safety collar, lower baffle ring; Wherein,
The lower end inside of described top connection is connected with outside the upper end of described upper mandrel;
Described upper mandrel, connecting cylinder described at least one are connected from top to bottom successively with described lower mandrel;
The lower end outside of described lower mandrel is provided with described lower baffle ring, described safety collar is arranged on described lower mandrel by described safety pin, described lower mandrel is provided with projection, lower mandrel between bottom the top of described release piece cylinder and described connecting cylinder is set with described first Compress Spring, the inner clip head coordinated with described lower stem seal is provided with inside the upper end of described release piece cylinder, the bottom of described release piece cylinder is positioned at described protruding below, the lower end edge circumferentially-spaced of described release piece cylinder has outside to be provided with protruding ratchet, the lower end of described ratchet is against on the lateral surface of described safety collar.
8. solution according to claim 7 is sealed up and is carried device, it is characterized in that, also comprises: anchored joint, ratchet cylinder;
The upper outside of described upper mandrel is provided with lining, up-narrow and down-wide step is had in described lining, described upper mandrel is provided with keyway, in described keyway, flat key is installed, described anchored joint is connected with described flat key, described anchored joint can move up and down along described flat key, the upper end of described anchored joint is positioned at the top of described step, the outside of described anchored joint is provided with described ratchet cylinder, the lower end edge circumferentially-spaced of described ratchet cylinder has ratchet block, and the outside of described ratchet block is provided with crown buttless thread upward.
9. with the hanger as described in any one of claim 1-6 with the use of the setting device of feeding, it is characterized in that, comprising: top connection, piston mandrel, jointing, central tube, ball seat jointing and grappling ratchet cylinder; Wherein,
The lower end inside of described top connection is connected with outside the upper end of described piston mandrel, the lower end outside of described piston mandrel is connected with inside the upper end of jointing, the lower end inside of described jointing is connected with outside the upper end of described central tube, and the lower end outside of described central tube is connected with inside the upper end of described ball seat jointing;
The lower end inside of described ball seat jointing is provided with ball seat, the lower end outside of described ball seat is installed with baffle ring by shear pin, described baffle ring is provided with lower radial direction through hole, the upper end of described baffle ring is positioned at outside described ball seat jointing, described ball seat jointing is provided with boss, the ball seat jointing between the upper end of described boss and described baffle ring is sequentially set with at least one second spacer ring and at least one joint ring from top to bottom;
Piston urceolus is installed outside described top connection, between described piston urceolus and described piston mandrel, there is ring cavity, be provided with by cutting off the piston be fixedly connected with described piston mandrel in described ring cavity, the first spacing is had between described piston and described top connection, radial direction through hole on described piston mandrel has, the lower end outside of piston is installed with setting body, and the lower end edge circumferentially-spaced of described setting body has ratchet, and the lower end outside of described setting body is provided with setting cylinder;
The lower end outside of described jointing is provided with the support ring offseted with described ratchet, projection is provided with outside described ratchet, boss is provided with outside the middle part of described central tube, the outside of described central tube is provided with flat key, the lower end edge circumferentially-spaced of described grappling ratchet cylinder has ratchet pawl, described ratchet pawl is provided with crown buttless thread upward, the top of described grappling ratchet cylinder is connected with flat key, the top of described grappling ratchet cylinder can move up and down along flat key, described central tube between described grappling ratchet cylinder top and described support ring is set with the second Compress Spring, the wide at the top and narrow at the bottom ring of giving up of external diameter is installed with by screw of giving up in cavity between described ratchet pawl and described central tube, the lower end inside of described ring of giving up has the inner convex platform coordinated with described basepipe seal, central tube above described inner convex platform is provided with middle radial direction through hole, the cavity that described middle radial direction through hole is formed with described central tube and described ring of giving up communicates, to give up described in described ratchet pawl is positioned at the top of ring.
10. the setting device of feeding according to claim 9, it is characterized in that, described piston and be separately installed with sealing ring between described piston urceolus and described piston mandrel, described top connection and be separately installed with sealing ring between described piston urceolus and described piston mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325120.9U CN204804727U (en) | 2015-05-19 | 2015-05-19 | Hanger, deblocking lift device and send into seat encapsulation and put |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325120.9U CN204804727U (en) | 2015-05-19 | 2015-05-19 | Hanger, deblocking lift device and send into seat encapsulation and put |
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| Publication Number | Publication Date |
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| CN204804727U true CN204804727U (en) | 2015-11-25 |
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|---|---|---|---|
| CN201520325120.9U Active CN204804727U (en) | 2015-05-19 | 2015-05-19 | Hanger, deblocking lift device and send into seat encapsulation and put |
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| CN109403896B (en) * | 2017-08-17 | 2021-03-23 | 中国石油化工股份有限公司 | Recoverable two-way anchoring screen pipe hanger and recoverable two-way anchoring screen pipe system |
| CN109403896A (en) * | 2017-08-17 | 2019-03-01 | 中国石油化工股份有限公司 | Recyclable bidirectionally anchoring screen pipe hanger and recyclable bidirectionally anchoring screen system |
| CN108533189A (en) * | 2018-05-28 | 2018-09-14 | 东北石油大学 | A kind of coiled tubing tubing string hydraulic fracture device |
| CN108533189B (en) * | 2018-05-28 | 2019-07-30 | 东北石油大学 | A kind of coiled tubing tubing string hydraulic fracture device |
| CN110454104B (en) * | 2019-08-28 | 2021-10-01 | 荆州市赛瑞能源技术有限公司 | Hydraulic releasing and feeding tool |
| CN110454104A (en) * | 2019-08-28 | 2019-11-15 | 荆州市赛瑞能源技术有限公司 | A kind of hydraulic releasing running tool |
| CN111502575A (en) * | 2020-04-15 | 2020-08-07 | 中国海洋石油集团有限公司 | Hydraulic pressure starts formula packer deblocking instrument |
| CN111502575B (en) * | 2020-04-15 | 2022-07-22 | 中国海洋石油集团有限公司 | Hydraulic pressure starts formula packer deblocking instrument |
| CN113802994A (en) * | 2020-06-12 | 2021-12-17 | 中国石油化工股份有限公司 | Suspension device |
| CN113803017A (en) * | 2020-06-15 | 2021-12-17 | 中国石油化工股份有限公司 | Take orbital liner hanger |
| CN111535780A (en) * | 2020-07-08 | 2020-08-14 | 东营市瑞丰石油技术发展有限责任公司 | Setting tool for preventing setting in advance and open hole suspension process for protecting packer |
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