CN103924939A - Quick connection device for blowout preventer in drilling tool - Google Patents
Quick connection device for blowout preventer in drilling tool Download PDFInfo
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- CN103924939A CN103924939A CN201410191678.2A CN201410191678A CN103924939A CN 103924939 A CN103924939 A CN 103924939A CN 201410191678 A CN201410191678 A CN 201410191678A CN 103924939 A CN103924939 A CN 103924939A
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- out preventer
- boring tool
- inside blow
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Abstract
The invention discloses a quick connection device for a blowout preventer in a drilling tool. The quick connection device comprises a vertical position adjustment mechanism, a plane position adjustment mechanism, a fixing mechanism, a screwing-on mechanism and a centering back-up wrench mechanism, wherein the vertical position adjustment mechanism is arranged on a headframe and connected with the plane position adjustment mechanism connected with either the screwing-on mechanism or the centering back-up wrench mechanism, the fixing mechanism is arranged on one side of the screwing-on mechanism, the centering back-up wrench mechanism is arranged on the other side of the screwing-on mechanism, and the blowout preventer in the drilling tool is arranged in the fixing mechanism. The quick connection device has the advantages that the quick connection device is arranged on the headframe, quick connection of the blowout preventer in the drilling tool can be completed under the control far away from a wellhead when the blowout preventer in the drilling tool needs assembling, spread of accidents can be prevented quickly, and safety of drilling and repairing projects of gas wells can be improved.
Description
Technical field
The Oil/gas Well brill the present invention relates in drilling and repairing well apparatus is repaiied technology neighborhood, and especially boring tool inside blow-out preventer is robbed connection device.
Background technology
In known technology, at enforcement Oil/gas Well, bore and repair in the process of engineering, because the character situation to underground reservoir of oil and gas can not be grasped completely, and the impact that is subject to natural gas, associated gas and strata pressure, in drilling and repairing well process, usually there is well kick, when there is Oil/gas Well well kick, must close reliably rapidly the inside and outside fluid passage of drilling tool, to control the fluid in pit shaft.
In order to control the fluid in pit shaft, in drilling and repairing well engineering, at well head, preventer is housed, in order to control the fluid of annular space between drilling tool and sleeve pipe; On rig floor, deposit boring tool inside blow-out preventer, when there is well kick, rapidly boring tool inside blow-out preventer has been robbed on the tool joint that is connected on well head, robbed after having connect and close boring tool inside blow-out preventer, controlled the fluid in drilling tool.
When the initial stage that well kick occurs, or blowout spray gesture is when weak, and site operation personnel can, near well head, adopt easy instrument just can successfully rob dress boring tool inside blow-out preventer, to prevent and to avoid more serious well kick or blowout conventionally.But when as larger in spray gesture, operating personnel are difficult near well head, particularly at the natural gas well well head that has hydrogen sulfide ejection, moment just makes well head periphery be absorbed in grave danger state, and operating personnel cannot rob dress boring tool inside blow-out preventer near well head, cause the serious situation of blowout out of control.Even if operating personnel are in the situation that having protection, risk has also been difficult to rob the task of dress boring tool inside blow-out preventer to well head.Once generation blowout, the catastrophic event that will cause serious blowout out of control or catch fire, the loss that accident is brought is also very heavy, not only can cause economic loss, also can cause personnel's injures and deaths event, and surrounding enviroment are caused to very serious pollution.
Existing for rob connect the measure of boring tool inside blow-out preventer conventional be to find manually to rob immediately dress boring tool inside blow-out preventer after well kick, there is many weak points in this measure and method, the one, the time that many wells overflow between blowout at generation well head is very short, give that manually to rob the dress boring tool inside blow-out preventer reaction time shorter, rob that to connect difficulty large; The 2nd, when there is high strength and poisonous fluid blowout, manually cannot rob and connect boring tool inside blow-out preventer near well head, thereby well control accident out of control in drilling tool occurs.
At present owing on drilling floor surface being all operating personnel's work activities region, safe space relative deficiency, do not have suitable position to rob and connect special equipment for boring tool inside blow-out preventer is installed, simultaneously because tool joint is unfixing each time in well head plan-position, also for boring tool inside blow-out preventer, rob the design that connects special equipment and brought not little difficulty, therefore also do not have at present reliable remote control to rob the method and apparatus of dress boring tool inside blow-out preventer.
In order to solve the existing deficiency that dress boring tool inside blow-out preventer measure exists of robbing, invent a kind of boring tool inside blow-out preventer and rob connection device and be extremely necessary.
Summary of the invention
The object of the invention is to provide a kind of boring tool inside blow-out preventer and robs connection device, for boring and repair engineering at petroleum gas, completes rapidly, safely, reliably robbing of anti-device in drilling tool and connects, and prevents the generation of gas blowout accident, repaiies operation safety guarantee is provided for the brill of Oil/gas Well.
According to an aspect of the present invention, provide a kind of boring tool inside blow-out preventer to rob connection device, comprised upper-lower position governor motion, plan-position governor motion, fixed mechanism, upper buckle mechanism and centering back-up tong mechanism.Upper-lower position governor motion is connected with plan-position governor motion, described plan-position governor motion is connected with the arbitrary mechanism in centering back-up tong mechanism with upper buckle mechanism, upper buckle mechanism one side is provided with fixed mechanism, upper buckle mechanism opposite side is provided with centering back-up tong mechanism, upper-lower position governor motion regulates the upper-lower position of boring tool inside blow-out preventer, plan-position governor motion regulates the plan-position of boring tool inside blow-out preventer, fixed mechanism is used for fixedly boring tool inside blow-out preventer, upper buckle mechanism rotation boring tool inside blow-out preventer, boring tool inside blow-out preventer is threaded with tool joint, centering back-up tong mechanism clamps tool joint while connecing boring tool inside blow-out preventer robbing.When needs are robbed while connecing inner blowout preventer, by upper-lower position governor motion and plane position adjusting mechanism, regulate the relative position between boring tool inside blow-out preventer and tool joint, make tool joint enter smoothly centering back-up tong mechanism; When tool joint enters after centering back-up tong mechanism, start centering back-up tong mechanism, centering back-up tong mechanism press nip tool joint, makes to be mounted on boring tool inside blow-out preventer and tool joint centering in fixed mechanism, forces boring tool inside blow-out preventer lower thread to enter tool joint top screw thread; Boring tool inside blow-out preventer lower thread enters after the screw thread of tool joint top, and in startup, buckle mechanism clamping rotation boring tool inside blow-out preventer, makes to turn boring tool inside blow-out preventer lower thread and be threaded with tool joint top, and boring tool inside blow-out preventer is robbed and received on tool joint.Thus, the present invention can realize robbing of boring tool inside blow-out preventer and connect, the spreading and expand of prevention accident fast.
In some embodiments, wherein upper-lower position governor motion comprises upper and lower stretching device, and upper and lower stretching device flexible changes length, and upper-lower position governor motion upper end is connected with overhead traveling crane, and upper-lower position governor motion lower end is connected with plan-position governor motion.By regulating the withdrawal of upper and lower stretching device and stretching out, can change the upper-lower position that boring tool inside blow-out preventer is robbed connection device.Thus, the present invention can realize, at boring tool inside blow-out preventer, robbing connection device completes after installation, when boring tool inside blow-out preventer is robbed connection device and is connect armed state in robbing, boring tool inside blow-out preventer robs connection device and drilling floor surface can leave certain height distance, has guaranteed the safety work space of operating personnel on rig floor; Also can realize and regulate boring tool inside blow-out preventer to rob the distance between connection device and tool joint simultaneously.
In some embodiments, its median-plane location governor motion comprises swing span, the overhanging draw and interior telescoping tube and telescopic advance lever, swing span is connected with the overhanging draw, the overhanging draw and interior telescoping tube are coaxially installed, interior telescoping tube one end is inserted the overhanging draw and is connected with the overhanging draw by telescopic advance lever, and the interior telescoping tube other end is connected with the arbitrary mechanism in centering back-up tong mechanism with upper buckle mechanism.By swinging swing span, the collapsing length of telescoping tube in rotary extension adjusting rod regulates, the plane relative position of change boring tool inside blow-out preventer, thus, the present invention can realize the plane relative position regulating between boring tool inside blow-out preventer and tool joint.
In some embodiments, wherein fixed mechanism comprises suspension joint, and the lower thread of suspension joint is threaded with the top of boring tool inside blow-out preventer.Thus, the present invention can realize and boring tool inside blow-out preventer is fixed on to boring tool inside blow-out preventer robs the function in connection device.
In some embodiments, wherein go up buckle mechanism and comprise bull gear, planetary gear, planet axis, eccentric binding clip, planet axle sleeve, upper planet frame plate and lower planet frame plate, in bull gear, be milled with ring gear, ring gear and planetary gear engagement, planetary gear and the assembling of planet axis cuff key axle, planet axle sleeve also assembles with eccentric tongs headband key axle, in planet axle sleeve, there is planet axis, planet axis two ends are contained in respectively in upper planet frame plate and lower planet frame plate axis hole, upper planet frame plate and lower planet frame plate are loaded on respectively the both sides of planet axis, upper buckle mechanism is held boring tool inside blow-out preventer by eccentric tongs head-clamp and boring tool inside blow-out preventer is threaded with tool joint.When hydraulic motor rotates, drive travelling gear and bull gear rotation, the ring gear of bull gear drives planetary gear rotation, planet gear drives planet axle sleeve and the rotation of eccentric binding clip, because friction twitch-up and friction plate are pressed on upper planet frame plate, frictional force between friction plate and upper planet frame plate stops upper and lower planet frame plate and bull gear synchronous rotary, thereby makes planetary gear rotation, and then drives eccentric binding clip to rotate and clamp or discharge boring tool inside blow-out preventer.When eccentric tongs head-clamp is held after boring tool inside blow-out preventer, when the frictional force between friction plate and upper planet frame plate is not enough to overcome planetary gear and passes to the moment of torsion of upper planet frame plate, whole parts and boring tool inside blow-out preventer and bull gear synchronous rotary in bull gear, boring tool inside blow-out preventer rotation realization is threaded with tool joint, thus, the present invention can realize the effect that robbing of boring tool inside blow-out preventer and tool joint connects.In like manner, after robbing and having connect, reverse rotation hydraulic motor, can remove the clamping of buckle mechanism to boring tool inside blow-out preventer.
In some embodiments, wherein centering back-up tong mechanism comprises left grip block and right grip block, and centering back-up tong mechanism is by left grip block and right grip block clamping extruding tool joint and make boring tool inside blow-out preventer and tool joint centering.Thus, the present invention can realize effective centering of tool joint and boring tool inside blow-out preventer, centering back-up tong mechanisms grip tool joint simultaneously, can prevent tool joint when being threaded with boring tool inside blow-out preventer and boring tool inside blow-out preventer rotates simultaneously, plays the effect of back-up tong when being threaded.
In some embodiments, wherein go up the Clamping Center of buckle mechanism, coaxially install with the boring tool inside blow-out preventer being fixed in fixed mechanism the Clamping Center of centering back-up tong mechanism.Coaxially install with the boring tool inside blow-out preventer being fixed in fixed mechanism the Clamping Center of the Clamping Center of upper buckle mechanism and centering back-up tong mechanism, guaranteed that tool joint can be held reliably, boring tool inside blow-out preventer screw thread and the reliable make-up of tool joint screw thread be connected, thus, the present invention can realize boring tool inside blow-out preventer and reliably rob the effect connecing.
Accompanying drawing explanation
Fig. 1 is that in an embodiment of the present invention, boring tool inside blow-out preventer is robbed the annexation schematic diagram that connection device forms mechanism;
Fig. 2 installs and overall structure schematic diagram in an embodiment of the present invention;
Fig. 3 is upper-lower position governor motion schematic diagram in an embodiment of the present invention
Fig. 4 is an embodiment of the present invention median-plane location governor motion structural representation;
Fig. 5 is centering back-up tong mechanism structure schematic diagram in an embodiment of the present invention;
Fig. 6 is the structural representation of upper buckle mechanism in an embodiment of the present invention;
Fig. 7 is fixed mechanism structural representation in an embodiment of the present invention;
Fig. 8 is armed state rig door direction schematic diagram in an embodiment of the present invention;
Fig. 9 swings to tool joint top driller's direction schematic diagram in an embodiment of the present invention;
Figure 10 moves on tool joint and connecting thread driller direction schematic diagram from the top down in an embodiment of the present invention;
Figure 11 completes in an embodiment of the present invention to rob to connect to leave from bottom to top tool joint driller direction schematic diagram;
Figure 12 is swung away from tool joint top rig door direction schematic diagram in an embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Fig. 1 to Fig. 7 has schematically shown according to a kind of boring tool inside blow-out preventer of one embodiment of the present invention and has robbed connection device.This boring tool inside blow-out preventer is robbed connection device and is comprised upper-lower position governor motion 1, plan-position governor motion 2, fixed mechanism 3, upper buckle mechanism 4 and centering back-up tong mechanism 5.
As shown in Figure 3, upper-lower position governor motion 2 comprises fluid cylinder seat board 301, cable wire 302, cable wire pin 303, the stretching device up and down 304 that can change length, fluid cylinder pin 305, fluid cylinder ear seat 306, guide rail bracket 307, interior slide rail clamp 203, external slide rail clamp 205 and slide rail base plate 204.Upper and lower stretching device 304 adopts hydraulic cylinder structure form.The edge of guide rail bracket 307 is blocked in the interior slide rail clamp 203 of upper-lower position governor motion 2 and external slide rail clamp 205 front and back, on interior slide rail clamp 203, external slide rail clamp, 205 are connected with slide rail base plate 204 use bolts, external slide rail clamp 205 and slide rail base plate 204 are clamped middle derrick back beam 202, boring tool inside blow-out preventer is robbed to connection device and be fixed on derrick.Cable wire 302 upper ends are enclosed within on overhead traveling crane 201, cable wire 302 lower ends are hinged with upper and lower stretching device 304 use cable wire pins 303 through guide rail bracket 307, upper and lower stretching device 304 is hinged with fluid cylinder ear seat 306 use fluid cylinder pins 305, fluid cylinder ear seat 306 is welded on fluid cylinder seat board 301, and fluid cylinder seat board 301 is welding as one with guide rail bracket 307.Upper-lower position governor motion 1 use cable wire 302 is suspended on the overhead traveling crane 201 of rig, bears the weight that boring tool inside blow-out preventer is robbed all mechanisms in connection device.Guide rail bracket 307 edges are blocked in interior slide rail clamp 203 and external slide rail clamp 205 front and back, and making boring tool inside blow-out preventer rob connection device can only slide up and down in slide rail clamp, can not tilt forward and back.External slide rail clamp 205 and slide rail base plate 204 use bolts are clamped intermediate wells frame back beam 202, boring tool inside blow-out preventer is robbed to connection device and be fixed on derrick, and making boring tool inside blow-out preventer rob connection device can not move left and right in derrick back beam 202.When upper and lower stretching device 304 is protruding, boring tool inside blow-out preventer is robbed connection device and is moved down under Action of Gravity Field.When upper and lower stretching device 304 is inwardly regained, pull boring tool inside blow-out preventer to rob connection device and move up.Thus, boring tool inside blow-out preventer is robbed connection device and can be left certain distance after installation and between drilling floor surface, do not take the security activity space of operating personnel's operation on drilling floor surface, upper-lower position governor motion 1 can regulate the relative position up and down between boring tool inside blow-out preventer 701 and tool joint 801.
As shown in Figure 4, plan-position governor motion 2 comprises oscillating cylinder 401, oscillating cylinder base plate 402, swings axle cap 403, swings axle cap bolt 404, swinging axle anti-abrasion pad 405, swinging axle lining 406, swinging axle 407, swinging bush 408, swing span 409, axle sleeve upper supporting plate 410, jointed shaft 411, axle sleeve lower carrier plate 412, only turns over bolt 413, the spacing flange 414 of adjusting rod, adjusting rod 415, flange bolt 416, sliding shaft sleeve 417, sliding axle 418, horizontal nut 419, the overhanging draw 420 and interior telescoping tube 421.Oscillating cylinder base plate 402 is welded on guide rail bracket 307, and oscillating cylinder base plate 402 is connected with oscillating cylinder 401 bolts.Oscillating cylinder 401 is connected with swinging axle 407 band key axles, swinging axle 407 tops are threaded with swing axle cap 403, swing axle cap bolt 404 and be threaded and withstand swinging axle 407 with swinging axle cap 403, between swinging axle 407 tops and swing axle cap 403 axial step, cover has swinging axle anti-abrasion pad 405.Swinging axle 407 middle part overcoats have swinging axle lining 406, swinging axle lining 406 is contained in swinging bush 408, swinging bush welds with axle sleeve upper supporting plate 410, axle sleeve lower carrier plate 412 respectively at two ends Shang Xia 408, axle sleeve upper supporting plate 410, axle sleeve lower carrier plate 412 peripheries and guide rail bracket 307 welding.Moving axis 407 lower ends are connected with swing span 409 band key axles, swing span 409 is hinged with jointed shaft 411 with the overhanging draw 420 tops, telescoping tube 421 in the overhanging draw 420 1 side inner sleeves, it is fixing that the overhanging draw 420 other ends and swing span 409 use are only turned over bolt 413, a sliding axle 418 is equipped with respectively at the two ends that the overhanging draw 420 is relative with interior telescoping tube 421, sliding axle 418 two ends and the overhanging draw 420 plate-side plate weldings, another root sliding axle 418 two ends and interior telescoping tube 421 plate-side plate weldings, the outer cover respectively of sliding axle 418 has sliding shaft sleeve 417; There is a cavity of being separated by riser interior telescoping tube 421 inside, in cavity, be placed with one by axial limiting and not revolvable horizontal nut 419, horizontal nut 419 is screwed in one end of externally threaded adjusting rod 415, the other end of adjusting rod 415 is with step, Step Shaft is pressed with the spacing flange 414 of adjusting rod outward, and the spacing flange 414 of adjusting rod is connected with the overhanging draw 420 bolts.Plan-position governor motion 2 drives swinging axle 407 by swinging fluid cylinder 401, swinging axle 407 drives swing span 409, swing span 409 drives the overhanging draw 420, in the overhanging draw 420 drives, telescoping tube 421 swings, because interior telescoping tube 421 and the clamping shell 502 of centering back-up tong mechanism 5 are welding as one, clamping shell 502 tops of centering back-up tong mechanism 5 and 601 welding of the upper shell of upper buckle mechanism 4, the hung drum 702 of fixed mechanism 3 is connected with upper cover plate 605 bolts of upper buckle mechanism 4, therefore can drive centering back-up tong mechanism 5 by swinging fluid cylinder, upper buckle mechanism 4, fixed mechanism 3 be take in the plane swinging axle 407 and is done fan-shaped swing as axle, thereby can change upper buckle mechanism 4, centering back-up tong mechanism 5 and be arranged on boring tool inside blow-out preventer 701 in fixed mechanism 3 and the plan-position relation between tool joint 801.Also can be that interior telescoping tube 421 is connected with upper shell 601 welding or the bolt of upper buckle mechanism 4 in further embodiments.
The overhanging draw 420 is coaxially installed with interior telescoping tube 421, in interior telescoping tube 421, there is telescopic advance lever 415, there are screw thread and the horizontal nut 419 of outward turning in telescopic advance lever 415 one end, horizontal nut 419 telescoping tube 421 in cap is interior by axial limiting and can not rotate, step at telescopic advance lever 415 other ends is stuck between the overhanging draw 420 and the spacing flange 414 of adjusting rod, 414 pairs of telescopic advance lever 415 axial limitings of the spacing flange of adjusting rod, thereby telescopic advance lever 415 can not axially-movable while rotating in telescoping tube 420 outside.The horizontal nut 419 of rotary extension adjusting rod 415 driving moves left and right, in horizontal nut 419 push-and-pulls, telescoping tube 421 moves left and right, collapsing length in regulating between telescoping tube 421 and the overhanging draw 420, also can regulate buckle mechanism 4, centering back-up tong mechanism 5 and be arranged on boring tool inside blow-out preventer 701 in fixed mechanism 3 and the plan-position relation between tool joint 801.
As shown in Figure 5, centering back-up tong mechanism 5 comprise clamping fluid cylinder 501, clamping shell 502, left grip block 503, right grip block 504, to clip tooth wheel 505, to folder axle 506, clamping upper plate 507 and clamping lower plate 508.Clamping fluid cylinder 501 one end are connected with interior telescoping tube 421 bolts, the other end is threaded with left grip block 503, left grip block respectively has a right grip block 504 in both sides Shang Xia 503, left grip block 503 and right grip block 504 at one end have two slotted eyes, the inner edge of left grip block 503 slotted eyes is milled with tooth bar, the slotted eye of right grip block 504 and left grip block 503 are milled with tooth bar relative edge and are milled with tooth bar, in slotted eye, have be meshed with tooth bar to clip tooth wheel 505, to having dress in clip tooth wheel 505 to folder axle 506, folder axle is through respectively to clamping upper plate 507 in both sides Shang Xia 506, in clamping lower plate 508 axis holes, clamping upper plate 507 and clamping lower plate 508 are welded with clamping shell 502 respectively, clamping shell 502 is welded as a whole with interior telescoping tube 421.Left grip block 503, right grip block 504, clip tooth wheel 505, clamping upper plate 507, clamping lower plate 508 are contained in during the inner square chamber of clamping shell 502 has.When clamping fluid cylinder 501 is flexible, drive left grip block 503 to move left and right, left grip block 503 drives 505 rotations of clip tooth wheel, to clip tooth wheel 505, drives right grip block 504 to do motion relatively or contrarily.Robbing while connecing, when left grip block 503 and right grip block 504 are moving in opposite directions, left grip block 503 and right grip block 504 are encountered the rear extruding tool joint 801 of tool joint 801 and are drawn close the Clamping Center of grip block 503 and right grip block 504 left, because upper buckle mechanism 4, centering back-up tong mechanism 5 and boring tool inside blow-out preventer 701 coaxial lines that are fixed in fixed mechanism 3 are installed, thereby the centering that can realize boring tool inside blow-out preventer 701 and tool joint 801.Reaction torque when centering back-up tong mechanism 5 clamping tool joints 801 bear boring tool inside blow-out preventer 701 and are threaded with tool joint 801, plays the effect of back-up tong effect.By clamping fluid cylinder 501, drive left grip block 503 and right grip block 504 to do opposing motion and also can realize discharging tool joint 801 from centering back-up tong mechanism 5.
As shown in Figure 6, upper buckle mechanism 4 comprises that upper shell 601, travelling gear 602, righting circle 603, hydraulic motor 604, upper cover plate 605, friction twitch-up 606, friction plate 607, upper planet frame plate 608, bull gear 609, eccentric binding clip 610, planet axle sleeve 611, planet axis 612, planetary gear 613, lower planet frame plate 614 form.Upper shell 601 is welded on interior telescoping tube 421, hydraulic motor 604 is fixed with upper shell 601 bolts, on hydraulic motor 604 axles, with key, be fixed with travelling gear 602, travelling gear 602 and bull gear 609 engagements, bull gear 609 top overcoat righting circles 603, in bull gear 609, be milled with ring gear, ring gear and planetary gear 613 engagements, planetary gear 613 is connected with planet axle sleeve 611 bottom keys, planet axle sleeve 611 tops are connected with eccentric binding clip 610 keys, the in-built planet axis 612 of planet axle sleeve 611, planet axis is respectively charged in upper planet frame plate 608 and lower planet frame plate 614 axis holes at two ends Shang Xia 612, upper planet frame plate 608 tops are pressed with friction plate 607, friction plate 607 tops are connected with friction twitch-up 606 bolts, friction twitch-up 606 tops are connected with upper cover plate 605 bolts, upper cover plate 605 is fixed by bolts to upper shell 601 upper surfaces.When hydraulic motor 604 rotation, drive travelling gear 602 and bull gear 609 rotations, the ring gear of bull gear 609 drives planetary gear 613 rotations, planetary gear 613 drives planet axle sleeve 611 and 610 rotations of eccentric binding clip, because friction twitch-up 606 and friction plate 607 are pressed on upper planet frame plate 608, frictional force between friction plate 607 and upper planet frame plate 608 stops upper planet frame plate 608 and bull gear 609 synchronous rotaries, thereby make planetary gear 613 rotations, and then drive eccentric binding clip 610 to rotate and clamp or discharge boring tool inside blow-out preventer 701.After eccentric binding clip 610 clamping boring tool inside blow-out preventers 701, when the frictional force between friction plate 607 and upper planet frame plate 608 is not enough to overcome planetary gear 46 and passes to the moment of torsion of upper planet frame plate 608, the interior whole parts of bull gear 609 and boring tool inside blow-out preventer 701 and bull gear 609 synchronous rotaries, boring tool inside blow-out preventer 701 rotations are threaded with tool joint 801, thereby realize boring tool inside blow-out preventer 701, rob and connect with tool joint 801.In like manner, after robbing and having connect, reverse rotation hydraulic motor 604, can remove the clamping of 4 pairs of boring tool inside blow-out preventers 701 of buckle mechanism.
As shown in Figure 7, fixed mechanism 3 comprises hung drum 702, depression bar 703, handle 704 and suspension joint 705.Suspension joint 705 lower thread are threaded with boring tool inside blow-out preventer top, are provided with single current spool 706 and Compress Spring 707 in boring tool inside blow-out preventer 701.Hung drum 702 bottoms are connected with upper cover plate 605 bolts, there is step hung drum 702 inside, step is equipped with respectively suspension joint 705 and boring tool inside blow-out preventer 701 up and down, in the middle of being threaded with boring tool inside blow-out preventer 701, blocks suspension joint 705 hung drum 702 interior step, suspension joint 705 both sides respectively screw thread are provided with handle 704, handle 704 stretches out outside hung drum 702 walls, and there is internal thread on suspension joint 705 tops is threaded with depression bar 703.Depression bar 703 withstands the single current spool 706 extruding Compress Springs 707 of boring tool inside blow-out preventer 701 downwards can open boring tool inside blow-out preventer 701 internal fluid channels.
Suspension joint 705 lower thread are threaded with boring tool inside blow-out preventer 701 tops, hung drum 702 interior step are blocked in centre, boring tool inside blow-out preventer 701 is fixed in fixed mechanism 3, realizes thus boring tool inside blow-out preventer 701 is fixed on to boring tool inside blow-out preventer robs the function in connection device; Depression bar 703 withstands the single current spool 706 of boring tool inside blow-out preventer 701 downwards and opens boring tool inside blow-out preventer 701 internal fluid channels, is conducive to robbing of boring tool inside blow-out preventer 701 and connects.Rob while connecing boring tool inside blow-out preventer 701, when the screw thread of boring tool inside blow-out preventer 701 constantly screws in the screw thread of tool joint 801, suspension joint 705 constantly exits with boring tool inside blow-out preventer 701 connecting threads, when boring tool inside blow-out preventer 701 and tool joint 801 complete while being threaded, between suspension joint 705 and boring tool inside blow-out preventer 701, screw thread is realized and being exited completely, suspension joint 705 is separated with boring tool inside blow-out preventer 701, between depression bar 703 and single current spool 706, distance increases and disengages, single current spool 706 in boring tool inside blow-out preventer 701 moves upward and closes boring tool inside blow-out preventer 701 under the effect of Compress Spring 707.
The present invention connects by robbing of following process implementation boring tool inside blow-out preventer:
In an embodiment of the present invention armed state as 2 and Fig. 8 as shown in, before work operations, boring tool inside blow-out preventer is robbed connection device and is hung on overhead traveling crane 201 by cable wire 302, guide rail bracket 307 is constrained in derrick back beam 202 by interior slide rail card 203 and external slide rail card 205, guide rail bracket 307 can slide up and down between interior slide rail card 203 and the slide rail of external slide rail card 205 compositions, but guide rail bracket 307 can not move horizontally and tilt forward and back in slide rail, now be fixed on the boring tool inside blow-out preventer 701 of 3 li of fixed mechanisms away from well head, boring tool inside blow-out preventer is robbed the upper buckle mechanism of connection device near rig back beam position, do not affect the normal operation operation of well head.
As shown in Figure 9, when needs, rob while connecing boring tool inside blow-out preventer 701, start and swing fluid cylinder 401 and drive swinging axles 408, swing span 409, the overhanging draw 420, the overhanging draw 421 and fixed mechanism 3, upper buckle mechanism 4 and centering back-up tong mechanism 5 to take swinging axle 408 as axis oscillating.Make the boring tool inside blow-out preventer 701 that is fixed on 3 li of fixed mechanisms from derrick back beam 202 direction horizontal huntings to tool joint 801 tops.
As shown in figure 10, when boring tool inside blow-out preventer 701 swings to behind tool joint 801 tops, upper and lower stretching device 304 is protruding, boring tool inside blow-out preventer is robbed connection device and under Action of Gravity Field, is shifted to tool joint 801 downwards, when tool joint 701 is inserted into after centering back-up tong mechanism 5, start clamping fluid cylinder 501 and drive left grip block 503 and 504 relative motions of right grip block, extruding tool joint 801 makes it and boring tool inside blow-out preventer 701 centerings, realize boring tool inside blow-out preventer 701 male threads and enter into tool joint 801 box threads, keep the clamping to tool joint 801 simultaneously.Complete after neutralization clamping, primer fluid pressure motor 604 drives bull gear, planetary gear 613, planet axle sleeve 611 and eccentric binding clip 610 to rotate, clamp and rotate boring tool inside blow-out preventer 701, connecting boring tool inside blow-out preventer 701 to tool joint 801 screw threads, realizing robbing of boring tool inside blow-out preventer 701 and connect.Due to the handle 704 being threaded with suspension joint 705 be draped cylinder 702 restriction can not rotate, boring tool inside blow-out preventer 701 suspension joint 705 when being threaded with tool joint 801 can not rotate, thereby boring tool inside blow-out preventer 701 is when being threaded with tool joint 801, boring tool inside blow-out preventer 701 top screw threads outwards exit from the screw thread of suspension joint 705.When boring tool inside blow-out preventer 701 has been threaded with tool joint 801, boring tool inside blow-out preventer 701 top screw threads outwards exit completely from the screw thread of suspension joint 705, boring tool inside blow-out preventer 701 is separated with suspension joint 705, depression bar 703 disengages with the single current spool 706 of boring tool inside blow-out preventer 701, single current spool 706 moves up under Compress Spring 707 effects, boring tool inside blow-out preventer 701 is closed, and completes boring tool inside blow-out preventer 701 and automatically closes robbing after having connect.
As shown in figure 11, after completing boring tool inside blow-out preventer 701 and robbing and connect and close, the continuous fluid cylinder 501 of reverse starting clamping and hydraulic motor 604, rob and connection device, discharge boring tool inside blow-out preventer 701 and tool joint 801 from boring tool inside blow-out preventer.Start upper and lower stretching device 304 and inwardly shrink, upwards mention boring tool inside blow-out preventer and rob connection device, boring tool inside blow-out preventer 701 is deviate from and has been connected to tool joint 801 in robbing connection device.
As shown in figure 12, when boring tool inside blow-out preventer, rob connection device and rise to after certain altitude, start and swing fluid cylinder 401, boring tool inside blow-out preventer is robbed to connection device and put away well head top, be returned to and rob reception life station, complete boring tool inside blow-out preventer 701 and rob the overall process connecing.
In the present embodiment, boring tool inside blow-out preventer is robbed connection device and also can be connected with automatic control system, realizes boring tool inside blow-out preventer 701 and automatically robs connection function.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. boring tool inside blow-out preventer is robbed connection device, wherein, comprise upper-lower position governor motion (1), plan-position governor motion (2), fixed mechanism (3), upper buckle mechanism (4) and centering back-up tong mechanism (5), described upper-lower position governor motion (1) is connected with plan-position governor motion (2), described plan-position governor motion (2) is connected with the arbitrary mechanism in centering back-up tong mechanism (5) with upper buckle mechanism (4), described upper buckle mechanism (4) one sides are provided with fixed mechanism (3), described upper buckle mechanism (4) opposite side is provided with centering back-up tong mechanism (5), described upper-lower position governor motion (1) regulates the upper-lower position of boring tool inside blow-out preventer (701), described plan-position governor motion (2) regulates the plan-position of boring tool inside blow-out preventer (701), described fixed mechanism (3) is for fixing boring tool inside blow-out preventer (701), described upper buckle mechanism (4) rotation boring tool inside blow-out preventer (701), boring tool inside blow-out preventer (701) is threaded with tool joint (801), described centering back-up tong mechanism (5) clamps tool joint (801) while connecing boring tool inside blow-out preventer (701) robbing.
2. boring tool inside blow-out preventer according to claim 1 is robbed connection device, wherein, described upper-lower position governor motion (1) comprises upper and lower stretching device (304), described upper and lower stretching device (304) flexible changes length, described upper-lower position governor motion (1) upper end is connected with overhead traveling crane (201), and described upper-lower position governor motion lower end (1) is connected with plan-position governor motion (2).
3. boring tool inside blow-out preventer according to claim 1 is robbed connection device, wherein, described plan-position governor motion (2) comprises swing span (409), the overhanging draw (420), interior telescoping tube (421) and adjusting rod (415), described swing span (409) is connected with the overhanging draw (420), described interior telescoping tube (421) one end is connected with the overhanging draw (420) by adjusting rod (415), the described overhanging draw (420) is coaxially installed with interior telescoping tube (421), described interior telescoping tube (421) other end is connected with the arbitrary mechanism in centering back-up tong mechanism (5) with upper buckle mechanism (4).
4. boring tool inside blow-out preventer according to claim 1 is robbed connection device, wherein, described fixed mechanism (3) comprises suspension joint (705), and the lower thread of described suspension joint (705) is threaded with the top of boring tool inside blow-out preventer (801).
5. boring tool inside blow-out preventer according to claim 1 is robbed connection device, wherein, described upper buckle mechanism (4) comprises bull gear (609), planetary gear (613), planet axis (612), eccentric binding clip (610), planet axle sleeve (611), upper planet frame plate (608) and lower planet frame plate (614), described bull gear is milled with ring gear in (410), ring gear and described planetary gear (613) engagement, described planetary gear (613) and the assembling of planet axle sleeve (611) band key axle, described planet axle sleeve (611) also assembles with eccentric binding clip (610) key axle, in described planet axle sleeve (611), there is planet axis (612), described planet axis (612) two ends are contained in respectively in upper planet frame plate (608) and lower planet frame plate (614) axis hole, described upper planet frame plate (608) and lower planet frame plate (614) are loaded on respectively the both sides of planet axis (611), described upper buckle mechanism (4) is by eccentric binding clip (610) clamping boring tool inside blow-out preventer (701) and boring tool inside blow-out preventer (701) is threaded with tool joint (801).
6. boring tool inside blow-out preventer according to claim 1 is robbed connection device, wherein, described centering back-up tong mechanism (5) comprises left grip block (503) and right grip block (504), tool joint (801) pushes by left grip block (503) and right grip block (504) clamping in described centering back-up tong mechanism (5), and makes boring tool inside blow-out preventer (701) and tool joint (801) centering.
7. according to the boring tool inside blow-out preventer described in claim 1 to 6 any one, rob connection device, wherein, described upper buckle mechanism (4), centering back-up tong mechanism (5) and the boring tool inside blow-out preventer (701) being fixed in fixed mechanism (3) are coaxially installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191678.2A CN103924939A (en) | 2014-05-08 | 2014-05-08 | Quick connection device for blowout preventer in drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191678.2A CN103924939A (en) | 2014-05-08 | 2014-05-08 | Quick connection device for blowout preventer in drilling tool |
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| Publication Number | Publication Date |
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| CN103924939A true CN103924939A (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410191678.2A Pending CN103924939A (en) | 2014-05-08 | 2014-05-08 | Quick connection device for blowout preventer in drilling tool |
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| CN (1) | CN103924939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622849A (en) * | 2021-12-14 | 2022-06-14 | 中国石油天然气集团有限公司 | Check valve device for automatic drilling tool and using method thereof |
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Application publication date: 20140716 |