CN203626799U - Oil test chipping catcher under pressure - Google Patents
Oil test chipping catcher under pressure Download PDFInfo
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- CN203626799U CN203626799U CN201320768797.0U CN201320768797U CN203626799U CN 203626799 U CN203626799 U CN 203626799U CN 201320768797 U CN201320768797 U CN 201320768797U CN 203626799 U CN203626799 U CN 203626799U
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- desanding
- device assembly
- bits device
- switch valve
- reflection
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Abstract
The utility model relates to the technical field of sand catchers, in particular to an oil test chipping catcher under pressure. The oil test chipping catcher comprises a first chipping catcher assembly and a second chipping catcher assembly which are identical in structure, an inlet tee joint and an outlet tee joint; the first chipping catcher assembly and the second chipping catcher are communicated and arranged between the inlet tee joint and the outlet tee joint; each of the first chipping catcher assembly and the second chipping catcher assembly comprises an upstream connecting manifold, a reflective desanding device, a rotational flow desanding device, a backwashing short piece and a downstream connecting manifold. The oil test chipping catcher is reasonable and compact in structure and convenient to use; meanwhile, reflective desanding and rotational flow desanding are simultaneously adopted, so that the desanding efficiency is improved and the desanding effect is good; the first chipping catcher assembly and the second chipping catcher assembly are alternately used in a desanding process to realize desanding continuity; under the condition that the first chipping catcher assembly or the second chipping catcher assembly is blocked, a flushing fluid is injected for reverse circulation so as to carry out flushing and desanding on the reflective desanding device and the rotational flow desanding device, thus the oil test chipping catcher under pressure is convenient to use.
Description
Technical field
the utility model relates to desander technical field, is a kind of formation testing bits device of catching with pressure.
Background technology
in field produces, because the liquid measure (or output) of moving back after the extensive fracturing reform of fine and close oil reservoir falls flat, need to carry out milling operation to pressure break classification composite bridge plug, pressure break ball and ball seat; In high pressure brill mill with pressure process, can produce a large amount of chips and the residual sand of pressure break, the residual sand meeting erosion of chip and pressure break or obstruction ground discharge opeing flow process, cannot normally carry out milling operation; So it is very necessary can clearing up in time chip and the residual sand of pressure break; And traditional desander, desanding effect is poor, cannot thoroughly remove chip and the residual sand of pressure break in manifold; Desander itself is also easily stopped up by chip simultaneously, must after the operation of interruption continuous tubing drill mill, could clear up catching bits device, and desanding continuously, has brought very large inconvenience to construction.
Summary of the invention
the utility model provides a kind of formation testing the bits device of catching with pressure, has overcome the deficiency of above-mentioned prior art, and it can effectively solve traditional desander, and desanding effect is poor; And easily stop up desanding continuously, awkward problem.
the technical solution of the utility model realizes by following measures: a kind of formation testing bits device of catching with pressure, comprises identical first the catching bits device assembly and second and catch bits device assembly, import threeway and outlet threeway of structure; Is communicated with between threeway and is provided with first and catches bits device assembly and second and catch and consider device assembly to be worth doing in import threeway and outlet; First catch that bits device assembly and second catches that bits device assembly comprises respectively that upstream is connected manifold, reflects desanding device, cyclone desanding device, backwash pipe nipple be connected manifold with downstream; Connect between manifold and downstream connection manifold and be installed with successively reflection desanding device, backwash pipe nipple and cyclone desanding device in upstream; Import threeway is caught bits device assembly and second and is caught the feed liquor port that the upstream of bits device assembly is connected manifold and be connected with first respectively; Outlet threeway is caught bits device assembly and second and is caught the fluid port that the downstream of bits device assembly is connected manifold and be connected with first respectively; On backwash pipe nipple, there is the flushing upper port communicating with its inside, be useful on respectively the flushing lower port of backwash in the lower end of reflection desanding device and cyclone desanding device.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
between above-mentioned flushing upper port and flushing lower port, be installed with back purge system; Back purge system comprises water inlet pipe, backwash feed liquor switch valve, blow-off pipe, blowdown four-way, reflection desanding scum cock valve and Swirling flow sand-removing scum cock valve; In flushing upper port, fix to be communicated with that water inlet pipe being installed by flange, on water inlet pipe, be installed with backwash feed liquor switch valve; Between flushing lower port on reflection desanding device and cyclone desanding device, be connected by blow-off pipe, blowdown four-way is installed on blow-off pipe, have respectively blowdown port in the front-end and back-end of blowdown four-way.
above-mentioned reflection desanding device can comprise filtration urceolus, reflection desanding connector, crosses filter core cylinder, end socket, internal thread pressure cap and reflect desanding elbow; Be installed with reflection desanding connector in the upper end of filtering urceolus; On reflection desanding connector, there is the cylinder core installing hole communicating with filtration urceolus, in cylinder core installing hole and in filtration urceolus, filter core cylinder was installed; Cross filter core cylinder and comprise core cylinder body, upper connecting tube, seal plug, median septum and backing board; In filtration urceolus, be set with core cylinder body, on core cylinder body, be distributed with filter bores; Between core cylinder body and filtration urceolus, formed pendular ring chamber; Be installed with upper connecting tube and be positioned at a core installing hole in the upper end of core cylinder body; Have wide at the top and narrow at the bottom on the inner chamber top of cylinder core installing hole and be step-like opening installation annular groove, being installed with seal plug at the upper port place of upper connecting tube, the inner chamber bottom that the top of seal plug is positioned at opening installs annular groove; The inner chamber top that annular groove is installed at opening is provided with end socket, has external screw thread on the top of reflection desanding connector, is installed with the internal thread pressure cap that end socket longitudinally can be compressed in the upper end of reflection desanding connector by screw thread; On the internal thread pressure cap corresponding with end socket, there is anti-rotation top wire hole radially, the inner is installed in anti-rotation top wire hole and withstands on the jackscrew on end socket; Be installed with median septum in seal plug lower end, median septum is positioned at upper connecting tube and core cylinder chamber body top and the inner chamber on upper connecting tube and core cylinder body top is separated into a chamber and two chambeies; Being installed with in the bottom in two chambeies can be by the backing board of two chambeies and chamber separation; On upper connecting tube, there are respectively the inlet opening communicating with a chamber and the outage communicating with two chambeies; On the reflection desanding connector of upper connecting tube left part, there is the feed pathway communicating with inlet opening; The feed pathway of reflection desanding connector is connected manifold outlet end connection with upstream is installed together; Reflection desanding connector at upper connecting tube right part has the liquid outlet channel communicating with fluid hole; The right-hand member of reflection desanding connector and the left end of backwash pipe nipple are fixedly installed togather, and liquid outlet channel is connected with backwash pipe nipple inside; Cyclone desanding device comprises Swirling flow sand-removing body, Swirling flow sand-removing cylinder and Swirling flow sand-removing elbow; Be communicated with Swirling flow sand-removing body is installed in the upper end of Swirling flow sand-removing cylinder, the feed liquor port of Swirling flow sand-removing body left end is connected with the fluid port of backwash pipe nipple right-hand member; The fluid port of Swirling flow sand-removing body right-hand member is connected manifold liquid feeding end connection with downstream is installed together; Be communicated with respectively reflection desanding elbow and Swirling flow sand-removing elbow are installed filtering the lower end of urceolus and the lower end of Swirling flow sand-removing cylinder, have respectively flushing lower port in the lower end of reflection desanding elbow and Swirling flow sand-removing elbow; Reflection desanding scum cock valve is installed on the blow-off pipe between reflection desanding elbow and blowdown four-way; Blow-off pipe between Swirling flow sand-removing elbow and blowdown four-way is provided with Swirling flow sand-removing scum cock valve.
above-mentioned upstream connects manifold and can comprise and on upstream high pressure pipe nipple, upstream, put elbow bend, the first feed liquor switch valve, upstream underlying elbow bend and the first feed liquor switch valve; On upstream, putting elbow bend, upstream high pressure pipe nipple, the first feed liquor switch valve and upstream underlying elbow bend is from top to bottom communicated with and is installed together successively; First catches the fluid upper port and first of putting elbow bend on the upstream of bits device assembly catches the feed pathway of the reflection desanding connector of considering device assembly to be worth doing and is connected; The the first feed liquor lower port of upstream underlying elbow bend and first liquid outlet of import threeway of catching bits device assembly is connected; Second catches the fluid upper port and second of putting elbow bend on the upstream of bits device assembly catches the feed pathway of the reflection desanding connector of considering device assembly to be worth doing and is connected; The the second feed liquor lower port of upstream underlying elbow bend and second liquid outlet of import threeway of catching bits device assembly is connected; Downstream connects manifold and comprises and on downstream high pressure pipe nipple, downstream, put elbow bend, downstream underlying elbow bend and the first fluid switch valve; On downstream, putting elbow bend, downstream high pressure pipe nipple, the first fluid switch valve and downstream underlying elbow bend is from top to bottom communicated with and is installed together successively; First catches the feed liquor upper port and first of putting elbow bend on the downstream of bits device assembly catches the fluid port of the Swirling flow sand-removing body right-hand member of considering device assembly to be worth doing and is connected; The first fluid lower port of catching the downstream underlying elbow bend of bits device assembly is connected with the first inlet of outlet threeway; Second catches the feed liquor upper port and second of putting elbow bend on the downstream of bits device assembly catches the fluid port of the right-hand member of considering device assembly to be worth doing and is connected; The second fluid lower port of catching the downstream underlying elbow bend of bits device assembly is connected with the second inlet of outlet threeway.
between above-mentioned the first feed liquor switch valve and upstream underlying elbow bend, can be installed with the second feed liquor switch valve; Between the second fluid switch valve and downstream underlying elbow bend, be installed with the second fluid switch valve.The second feed liquor switch valve and the second fluid switch valve are backup circuit breaker valve body; The in the situation that of the first feed liquor switch valve and the inefficacy of the first fluid switch valve, can adopt the second feed liquor switch valve and the second fluid switch valve to be connected to upstream manifold is connected manifold connection with downstream controls, or/and, on upstream, put to put on elbow bend and downstream and on elbow bend, be separately installed with pressure release needle-valve.
on total fluid port of total feed liquor port of above-mentioned import threeway and outlet threeway, be installed with respectively import union flange and outlet union flange.
above-mentioned import threeway, outlet threeway, first are caught bits device assembly and second and are caught the outside of bits device assembly and can have casing; Import threeway, outlet threeway, first are caught bits device assembly and second and are caught bits device assembly and be arranged on the base plate of casing by support respectively.
the groove that Open Side Down can be arranged at the bottom of above-mentioned end socket, is installed with core cylinder hanger and is positioned at groove in the upper center of seal plug; Have mounting limit hole at the middle part of internal thread pressure cap, the end socket upper end limited location boss corresponding with mounting limit hole is installed with end socket hanger on positive stop lug boss.
above-mentioned reflection desanding scum cock valve, Swirling flow sand-removing scum cock valve, the first feed liquor switch valve, the first fluid switch valve, the second feed liquor switch valve and the second fluid switch valve can adopt respectively flap type; Backwash feed liquor switch valve adopts ball valve.
the utility model reasonable and compact in structure, easy to use; Adopt reflection desanding and Swirling flow sand-removing simultaneously, improve desanding efficiency, effective; First catches bits device assembly and second catches bits device assembly and can be used alternatingly in desanding process, realizes the continuity of desanding; Catch bits device assembly or second first and catch bits device assembly stop up in the situation that, the anti-circulation of flushing liquor of injection, rinses sediment outflow to reflection desanding device and cyclone desanding device, easy to use.
Accompanying drawing explanation
the master that accompanying drawing 1 is the utility model most preferred embodiment looks sectional structure schematic diagram.
accompanying drawing 2 is that the A-A of accompanying drawing 1 is to sectional structure schematic diagram.
accompanying drawing 3 is that the master of reflecting desanding device in the utility model looks sectional structure schematic diagram.
coding in accompanying drawing is respectively: 1 is import threeway, 2 is outlet threeway, 3 is backwash pipe nipple, 4 for rinsing upper port, 5 for rinsing lower port, 6 for filtering urceolus, 7 is reflection desanding connector, 8 is core cylinder body, 9 was pendular ring chamber, 10 is upper connecting tube, 11 is opening installation annular groove, 12 is seal plug, 13 is end socket, 14 is internal thread pressure cap, 15 is median septum, 16 is a chamber, 17 is two chambeies, 18 is backing board, 19 is inlet opening, 20 is outage, 21 is feed pathway, 22 is liquid outlet channel, 23 is Swirling flow sand-removing cylinder, 24 is Swirling flow sand-removing body, 25 is reflection desanding elbow, 26 is Swirling flow sand-removing elbow, 27 is water inlet pipe, 28 is backwash feed liquor switch valve, 29 is blow-off pipe, 30 is blowdown four-way, 31 is reflection desanding scum cock valve, 32 is Swirling flow sand-removing scum cock valve, 33 is upstream high pressure pipe nipple, 34 put elbow bend on upstream, 35 is upstream underlying elbow bend, 36 is the first feed liquor switch valve, 37 is downstream high pressure pipe nipple, 38 put elbow bend on downstream, 39 is downstream underlying elbow bend, 40 is the first fluid switch valve, 41 is the second feed liquor switch valve, 42 is the second fluid switch valve, 43 is import union flange, 44 is outlet union flange, 45 is casing, 46 is groove, 47 is core cylinder hanger, 48 is end socket hanger.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: upper and lower, left, rear etc. position relationship is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, this formation testing is with pressure catches bits device and comprises identical first the catching bits device assembly and second and catch bits device assembly, import threeway 1 and outlet threeway 2 of structure; Is communicated with between threeway 2 and is provided with first and catches bits device assembly and second and catch and consider device assembly to be worth doing in import threeway 1 and outlet; First catch that bits device assembly and second catches that bits device assembly comprises respectively that upstream is connected manifold, reflects desanding device, cyclone desanding device, backwash pipe nipple 3 be connected manifold with downstream; Connect between manifold and downstream connection manifold and be installed with successively reflection desanding device, backwash pipe nipple and cyclone desanding device 3 in upstream; Import threeway 1 is caught bits device assembly and second and is caught the feed liquor port that the upstream of bits device assembly is connected manifold and be connected with first respectively; Outlet threeway 2 is caught bits device assembly and second and is caught the fluid port that the downstream of bits device assembly is connected manifold and be connected with first respectively; On backwash pipe nipple 3, there is the flushing upper port 4 communicating with its inside, be useful on respectively the flushing lower port 5 of backwash in the lower end of reflection desanding device and cyclone desanding device.In use, first catches bits device assembly and second catches bits device assembly switching use, realizes the object of catching continuously bits; In the fluid returning out in well enters reflection desanding device time, reflection desanding device can first filter boring the larger particles producing in mill process; By spiral-flow type desanding device, remaining particle is removed again afterwards, improved desanding effect; First catches bits device assembly or second catches while considering the obstruction of device assembly to be worth doing, can be by injecting flushing liquor to rinsing upper port 4, reflection desanding device and/or spiral-flow type desanding device are rinsed, sewage after flushing can be discharged by rinsing lower port 5, realize cyclic flusher, easy to use, cleaning efficiency is high.Reflection desanding device and cyclone desanding device all can adopt existing known technology.
can according to actual needs, the above-mentioned formation testing bits device of catching with pressure be made further optimization and/or improvements:
as shown in accompanying drawing 1,2, between flushing upper port 4 and flushing lower port 5, be installed with back purge system; Back purge system comprises water inlet pipe 27, backwash feed liquor switch valve 28, blow-off pipe 29, blowdown four-way 30, reflection desanding scum cock valve 31 and Swirling flow sand-removing scum cock valve 32; In flushing upper port 4, fix to be communicated with that water inlet pipe 27 being installed by flange, on water inlet pipe 27, be installed with backwash feed liquor switch valve 28; Between flushing lower port 5 on reflection desanding device and cyclone desanding device, be connected by blow-off pipe 29, blowdown four-way 30 is installed on blow-off pipe 29, have respectively blowdown port in the front-end and back-end of blowdown four-way 30.By water inlet pipe 27, to the interior injection flushing liquor of backwash pipe nipple 3, flushing liquor is counter to circulate, and reflection desanding device and cyclone desanding device are rinsed, and after rinsing, sewage, through rinsing lower port 5 and blow-off pipe 29, is discharged from the blowdown port of blowdown four-way 30; Catching bits device assembly, second to first catches bits device assembly and realizes reverse circulation washing.
as shown in accompanying drawing 1,2, reflection desanding device comprises filtration urceolus 6, reflection desanding connector 7, crosses filter core cylinder, end socket 13, internal thread pressure cap 14 and reflect desanding elbow 25; Be installed with reflection desanding connector 7 in the upper end of filtering urceolus 6; On reflection desanding connector 7, there is the cylinder core installing hole communicating with filtration urceolus 6, in cylinder core installing hole and in filtration urceolus 6, filter core cylinder was installed; Cross filter core cylinder and comprise core cylinder body 8, upper connecting tube 10, seal plug 12, median septum 15 and backing board 18; In filtration urceolus 6, be set with core cylinder body 8, on core cylinder body 8, be distributed with filter bores; Between core cylinder body 8 and filtration urceolus 6, formed pendular ring chamber 9; Be installed with upper connecting tube 10 and be positioned at a core installing hole in the upper end of core cylinder body 8; Have wide at the top and narrow at the bottom on the inner chamber top of cylinder core installing hole and be step-like opening installation annular groove 11, being installed with seal plug 12 at the upper port place of upper connecting tube 10, the inner chamber bottom that the top of seal plug 12 is positioned at opening installs annular groove 11; The inner chamber top that annular groove 11 is installed at opening is provided with end socket 13, has external screw thread on the top of reflection desanding connector 7, is installed with the internal thread pressure cap 14 that end socket 13 longitudinally can be compressed in the upper end of reflection desanding connector 7 by screw thread; On the internal thread pressure cap 14 corresponding with end socket 13, there is anti-rotation top wire hole radially, the inner is installed in anti-rotation top wire hole and withstands on the jackscrew on end socket 13; Be installed with median septum 15 in seal plug 12 lower ends, median septum 15 is positioned at upper connecting tube 10 and core cylinder body 8 inner chamber tops and the inner chamber on upper connecting tube 10 and core cylinder body 8 tops is separated into a 16He Er chamber, chamber 17; Be installed with the backing board 18 that two 17Yu Yi chambeies, chamber 16 can be separated in the bottom in two chambeies 17; On upper connecting tube 10, there are respectively the inlet opening 19 communicating with a chamber 16 and the outage 20 communicating with two chambeies 17; On the reflection desanding connector 7 of upper connecting tube 10 left parts, there is the feed pathway 21 communicating with inlet opening 19; The feed pathway 21 of reflection desanding connector 7 is connected manifold outlet end connection with upstream is installed together; Reflection desanding connector 7 at upper connecting tube 10 right parts has the liquid outlet channel 22 communicating with fluid hole; The right-hand member of reflection desanding connector 7 and the left end of backwash pipe nipple 3 are fixedly installed togather, and liquid outlet channel 22 is connected with backwash pipe nipple 3 inside; Cyclone desanding device comprises Swirling flow sand-removing body 24, Swirling flow sand-removing cylinder 23 and Swirling flow sand-removing elbow 26; Be communicated with Swirling flow sand-removing body 24 is installed in the upper end of Swirling flow sand-removing cylinder 23, the feed liquor port of Swirling flow sand-removing body 24 left ends is connected with the fluid port of backwash pipe nipple 3 right-hand members; The fluid port of Swirling flow sand-removing body 24 right-hand members is connected manifold liquid feeding end connection with downstream is installed together; Be communicated with respectively reflection desanding elbow 25 and Swirling flow sand-removing elbow 26 are installed filtering the lower end of urceolus 6 and the lower end of Swirling flow sand-removing cylinder 23, have respectively in the lower end of reflection desanding elbow 25 and Swirling flow sand-removing elbow 26 lower port 5 of flushing; Reflection desanding scum cock valve 31 is installed on the blow-off pipe 29 between reflection desanding elbow 25 and blowdown four-way 30; Blow-off pipe 29 between Swirling flow sand-removing elbow 26 and blowdown four-way 30 is provided with Swirling flow sand-removing scum cock valve 32.Fluid enters a chamber 16 through feed pathway 21 from inlet opening 19, filter by the filter bores convection cell on core cylinder body 8 again, chip larger in fluid and residual sand are blocked in core cylinder body 8, fluid after initial filter entered pendular ring chamber 9, along with the continuous injection of fluid, the liquid level of crossing in pendular ring chamber 9 constantly rises, covering after backing board 18, the fluid of crossing pendular ring chamber 9 enters two chambeies 17 through the filter bores of core cylinder body 8, fluid in two chambeies 17 constantly rises to outage 20, flows out reflection desanding connector 7 through liquid outlet channel 22; Fluid is after the reflection desanding by above is filtered, enter Swirling flow sand-removing body 24 through backwash pipe nipple 3, cyclone desanding device is existing known equipment, Swirling flow sand-removing body 24 can be removed granule chip in fluid and residual sand, the granule chip of removing and residual sand enter Swirling flow sand-removing cylinder 17 inside, effectively improve desanding effect; Internal thread pressure cap 14 and 7 screwed connections of reflection desanding connector, can be convenient to core cylinder body 8 to take out replacing, easy to use; By the control of reflection desanding scum cock valve 31 and Swirling flow sand-removing scum cock valve 32, can rinse separately core cylinder body 8 and Swirling flow sand-removing cylinder 23, reduce the waste of water resource.
as shown in accompanying drawing 1,2, upstream connects manifold and comprises and on upstream high pressure pipe nipple 33, upstream, put elbow bend 34, the first feed liquor switch valve 36, upstream underlying elbow bend 35 and the first feed liquor switch valve 36; On upstream, putting elbow bend 34, upstream high pressure pipe nipple 33, the first feed liquor switch valve 36 and upstream underlying elbow bend 35 is from top to bottom communicated with and is installed together successively; First catches the fluid upper port and first of putting elbow bend 34 on the upstream of bits device assembly catches the feed pathway 21 of the reflection desanding connector 7 of considering device assembly to be worth doing and is connected; The the first feed liquor lower port of upstream underlying elbow bend 35 and first liquid outlet of import threeway 1 of catching bits device assembly is connected; Second catches the fluid upper port and second of putting elbow bend 34 on the upstream of bits device assembly catches the feed pathway 21 of the reflection desanding connector 7 of considering device assembly to be worth doing and is connected; The the second feed liquor lower port of upstream underlying elbow bend 35 and second liquid outlet of import threeway 1 of catching bits device assembly is connected; Downstream connects manifold and comprises and on downstream high pressure pipe nipple 37, downstream, put elbow bend 38, downstream underlying elbow bend 39 and the first fluid switch valve 40; On downstream, putting elbow bend 38, downstream high pressure pipe nipple 37, the first fluid switch valve 40 and downstream underlying elbow bend 39 is from top to bottom communicated with and is installed together successively; First catches the feed liquor upper port and first of putting elbow bend 38 on the downstream of bits device assembly catches the fluid port of Swirling flow sand-removing body 24 right-hand members of considering device assembly to be worth doing and is connected; The first fluid lower port of catching the downstream underlying elbow bend 39 of bits device assembly is connected with the first inlet of outlet threeway 2; Second catches the feed liquor upper port and second of putting elbow bend 38 on the downstream of bits device assembly catches the fluid port of the right-hand member of considering device assembly to be worth doing and is connected; The second fluid lower port of catching the downstream underlying elbow bend 39 of bits device assembly is connected with the second inlet of outlet threeway 2.
as shown in accompanying drawing 1,2, between the first feed liquor switch valve 36 and upstream underlying elbow bend 35, be installed with the second feed liquor switch valve 41; Between the second fluid switch valve 42 and downstream underlying elbow bend 39, be installed with the second fluid switch valve 42.The second feed liquor switch valve 41 and the second fluid switch valve 42 are backup circuit breaker valve body; In the situation that the first feed liquor switch valve 36 and the first fluid switch valve 40 lost efficacy, can adopt the second feed liquor switch valve 41 and the second fluid switch valve 42 to be connected to upstream manifold is connected manifold connection with downstream and control.
as shown in accompanying drawing 1,2, on total feed liquor port of import threeway 1 and total fluid port of outlet threeway 2, be installed with respectively import union flange 43 and outlet union flange 44.
as required, on upstream, put to put on elbow bend 34 and downstream and on elbow bend 38, be separately installed with pressure release needle-valve.Pressure release needle-valve plays the effect of the utility model being rinsed to pressure release.
as shown in accompanying drawing 1,2, catch bits device assembly and second in import threeway 1, outlet threeway 2, first and catch the outside of bits device assembly and have casing 45; Import threeway 1, outlet threeway 2, first are caught bits device assembly and second and are caught bits device assembly and be arranged on the base plate of casing 45 by support respectively.
as shown in Figure 3, there is the groove 46 that Open Side Down in the bottom of end socket 13, be installed with core cylinder hanger 47 and be positioned at groove 46 in the upper center of seal plug 12; Have mounting limit hole at the middle part of internal thread pressure cap 14, the end socket 13 upper end limited location boss corresponding with mounting limit hole are installed with end socket hanger 48 on positive stop lug boss.Can use lifting appliance to carry out dismounting to core cylinder body 8 by core cylinder hanger 47 and end socket hanger 48, reduce labour intensity.
as required, reflection desanding scum cock valve 31, Swirling flow sand-removing scum cock valve 32, the first feed liquor switch valve 36, the first fluid switch valve 40, the second feed liquor switch valve 41 and the second fluid switch valve 42 adopt respectively flap type; Backwash feed liquor switch valve 28 adopts ball valve.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
the use procedure of the utility model most preferred embodiment: first coiled tubing is connected by import union flange 43 with import threeway 1, open first and catch the first feed liquor switch valve 36 and the second feed liquor switch valve 41 of considering device assembly to be worth doing, coiled tubing bores in mill process continuously, and the fluid returning out in well is put successively elbow bend 34, the second feed liquor switch valve 41, the first feed liquor switch valve 36, upstream high pressure pipe nipple 33, upstream and put elbow bend 34 and enter in reflection desanding connector 7 through the first import union flange 43, import threeway 1, upstream of catching bits device assembly, fluid enters a chamber 16 by feed pathway 21 and inlet opening 19 in reflection desanding connector 7, fluid filters and entered pendular ring chamber 9 through the filter bores of core cylinder body 8, along with increasing liquid level, fluid rises, in the time that liquid level rises to the height of backing board 18, fluid in one chamber 16 enters in two chambeies 17 again after filter opening filters, discharge from outage 20 and liquid outlet channel 22, the fluid of discharging from reflection desanding connector 7 enters Swirling flow sand-removing body 24 through backwash pipe nipple 3, after Swirling flow sand-removing cylinder 23 cyclone filters, on downstream, put successively elbow bend 38, downstream high pressure pipe nipple 37, the first fluid switch valve 40, the second fluid switch valve 42, downstream underlying elbow bend 39, outlet threeway 2 and outlet union flange 44 are discharged, catch while occurring to stop up in bits device assembly when first, can catch the first feed liquor switch valve 36 and the second feed liquor switch valve 41 of considering device assembly to be worth doing by closing first, open the second the first feed liquor switch valve 36 and second feed liquor switch valve 41 of catching bits device assembly and carry out continuous debris removal sediment outflow, the second desanding process and first of catching bits device assembly catches that to consider device assembly to be worth doing identical, first catches bits device assembly and second catches the priority use order of bits device assembly and can carry out at random,
first catches bits device assembly or/and second catch the method for cleaning after bits device assembly stops up:
1, rinse sediment outflow method: catch bits device assembly or second first and catch bits device assembly while occurring to stop up, can close the first feed liquor switch valve 36, the second feed liquor switch valve 41, the first fluid switch valve 40 and the second fluid switch valve 42 of both sides, by pressure release needle-valve, the pressure in the utility model cavity be laid down; After more external water source being connected with water pump interface, be communicated with water inlet pipe 27; Open backwash feed liquor switch valve 28, reflection desanding scum cock valve 31 and Swirling flow sand-removing scum cock valve 32; Low pressure water flow, after backwash pipe nipple 3 upstream entered pendular ring chamber 9, develops the chip in core cylinder body 8, through blow-off pipe 29, discharges from the blowdown port of blowdown four-way 30; Again reflection desanding scum cock valve 31 cuts out, open Swirling flow sand-removing scum cock valve 32, low pressure water flow is through backwash pipe nipple 3 Swirling flow sand-removing body 24 downstream, enter in Swirling flow sand-removing cylinder 23 through Swirling flow sand-removing body 24, chip in Swirling flow sand-removing cylinder 23 is developed, through blow-off pipe 29, discharge from the blowdown port of blowdown four-way 30.
, changed filter core cylinder method: in the time filtering urceolus 6 and a large amount of chip of core cylinder body 8 interior existence, can maybe clear up chip and the residual sand of obstruction by crossing the mode of cleaning after filter core cylinder proposes by changing filter core cylinder; First by pressure release needle-valve, the pressure in the utility model cavity is laid down; The internal thread pressure cap 14 of outwarding winding, hangs over end socket hanger 48 by hoist cable, and end socket 13 is taken out; Hoist cable is hung on core cylinder hanger 47 again, will cross filter core cylinder and take out; Then for subsequent use filter core cylinder of crossing is packed in filtration urceolus 6 in reverse order.
Claims (10)
1. the formation testing bits device of catching with pressure, is characterized in that comprising identical first the catching bits device assembly and second and catch bits device assembly, import threeway and outlet threeway of structure; Is communicated with between threeway and is provided with first and catches bits device assembly and second and catch and consider device assembly to be worth doing in import threeway and outlet; First catch that bits device assembly and second catches that bits device assembly comprises respectively that upstream is connected manifold, reflects desanding device, cyclone desanding device, backwash pipe nipple be connected manifold with downstream; Connect between manifold and downstream connection manifold and be installed with successively reflection desanding device, backwash pipe nipple and cyclone desanding device in upstream; Import threeway is caught bits device assembly and second and is caught the feed liquor port that the upstream of bits device assembly is connected manifold and be connected with first respectively; Outlet threeway is caught bits device assembly and second and is caught the fluid port that the downstream of bits device assembly is connected manifold and be connected with first respectively; On backwash pipe nipple, there is the flushing upper port communicating with its inside, be useful on respectively the flushing lower port of backwash in the lower end of reflection desanding device and cyclone desanding device.
2. the formation testing according to claim 1 bits device of catching with pressure, is characterized in that rinsing upper port and rinses between lower port and be installed with back purge system; Back purge system comprises water inlet pipe, backwash feed liquor switch valve, blow-off pipe, blowdown four-way, reflection desanding scum cock valve and Swirling flow sand-removing scum cock valve; In flushing upper port, fix to be communicated with that water inlet pipe being installed by flange, on water inlet pipe, be installed with backwash feed liquor switch valve; Between flushing lower port on reflection desanding device and cyclone desanding device, be connected by blow-off pipe, blowdown four-way is installed on blow-off pipe, have respectively blowdown port in the front-end and back-end of blowdown four-way.
3. the formation testing according to claim 2 bits device of catching with pressure, is characterized in that reflecting desanding device and comprises filtration urceolus, reflection desanding connector, cross filter core cylinder, end socket, internal thread pressure cap and reflect desanding elbow; Be installed with reflection desanding connector in the upper end of filtering urceolus; On reflection desanding connector, there is the cylinder core installing hole communicating with filtration urceolus, in cylinder core installing hole and in filtration urceolus, filter core cylinder was installed; Cross filter core cylinder and comprise core cylinder body, upper connecting tube, seal plug, median septum and backing board; In filtration urceolus, be set with core cylinder body, on core cylinder body, be distributed with filter bores; Between core cylinder body and filtration urceolus, formed pendular ring chamber; Be installed with upper connecting tube and be positioned at a core installing hole in the upper end of core cylinder body; Have wide at the top and narrow at the bottom on the inner chamber top of cylinder core installing hole and be step-like opening installation annular groove, being installed with seal plug at the upper port place of upper connecting tube, the inner chamber bottom that the top of seal plug is positioned at opening installs annular groove; The inner chamber top that annular groove is installed at opening is provided with end socket, has external screw thread on the top of reflection desanding connector, is installed with the internal thread pressure cap that end socket longitudinally can be compressed in the upper end of reflection desanding connector by screw thread; On the internal thread pressure cap corresponding with end socket, there is anti-rotation top wire hole radially, the inner is installed in anti-rotation top wire hole and withstands on the jackscrew on end socket; Be installed with median septum in seal plug lower end, median septum is positioned at upper connecting tube and core cylinder chamber body top and the inner chamber on upper connecting tube and core cylinder body top is separated into a chamber and two chambeies; Being installed with in the bottom in two chambeies can be by the backing board of two chambeies and chamber separation; On upper connecting tube, there are respectively the inlet opening communicating with a chamber and the outage communicating with two chambeies; On the reflection desanding connector of upper connecting tube left part, there is the feed pathway communicating with inlet opening; The feed pathway of reflection desanding connector is connected manifold outlet end connection with upstream is installed together; Reflection desanding connector at upper connecting tube right part has the liquid outlet channel communicating with fluid hole; The right-hand member of reflection desanding connector and the left end of backwash pipe nipple are fixedly installed togather, and liquid outlet channel is connected with backwash pipe nipple inside; Cyclone desanding device comprises Swirling flow sand-removing body, Swirling flow sand-removing cylinder and Swirling flow sand-removing elbow; Be communicated with Swirling flow sand-removing body is installed in the upper end of Swirling flow sand-removing cylinder, the feed liquor port of Swirling flow sand-removing body left end is connected with the fluid port of backwash pipe nipple right-hand member; The fluid port of Swirling flow sand-removing body right-hand member is connected manifold liquid feeding end connection with downstream is installed together; Be communicated with respectively reflection desanding elbow and Swirling flow sand-removing elbow are installed filtering the lower end of urceolus and the lower end of Swirling flow sand-removing cylinder, have respectively flushing lower port in the lower end of reflection desanding elbow and Swirling flow sand-removing elbow; Reflection desanding scum cock valve is installed on the blow-off pipe between reflection desanding elbow and blowdown four-way; Blow-off pipe between Swirling flow sand-removing elbow and blowdown four-way is provided with Swirling flow sand-removing scum cock valve.
4. the formation testing according to claim 3 bits device of catching with pressure, is characterized in that upstream connects manifold and comprises and on upstream high pressure pipe nipple, upstream, put elbow bend, the first feed liquor switch valve, upstream underlying elbow bend and the first feed liquor switch valve; On upstream, putting elbow bend, upstream high pressure pipe nipple, the first feed liquor switch valve and upstream underlying elbow bend is from top to bottom communicated with and is installed together successively; First catches the fluid upper port and first of putting elbow bend on the upstream of bits device assembly catches the feed pathway of the reflection desanding connector of considering device assembly to be worth doing and is connected; The the first feed liquor lower port of upstream underlying elbow bend and first liquid outlet of import threeway of catching bits device assembly is connected; Second catches the fluid upper port and second of putting elbow bend on the upstream of bits device assembly catches the feed pathway of the reflection desanding connector of considering device assembly to be worth doing and is connected; The the second feed liquor lower port of upstream underlying elbow bend and second liquid outlet of import threeway of catching bits device assembly is connected; Downstream connects manifold and comprises and on downstream high pressure pipe nipple, downstream, put elbow bend, downstream underlying elbow bend and the first fluid switch valve; On downstream, putting elbow bend, downstream high pressure pipe nipple, the first fluid switch valve and downstream underlying elbow bend is from top to bottom communicated with and is installed together successively; First catches the feed liquor upper port and first of putting elbow bend on the downstream of bits device assembly catches the fluid port of the Swirling flow sand-removing body right-hand member of considering device assembly to be worth doing and is connected; The first fluid lower port of catching the downstream underlying elbow bend of bits device assembly is connected with the first inlet of outlet threeway; Second catches the feed liquor upper port and second of putting elbow bend on the downstream of bits device assembly catches the fluid port of the right-hand member of considering device assembly to be worth doing and is connected; The second fluid lower port of catching the downstream underlying elbow bend of bits device assembly is connected with the second inlet of outlet threeway.
5. the formation testing according to claim 4 bits device of catching with pressure, is characterized in that being installed with the second feed liquor switch valve between the first feed liquor switch valve and upstream underlying elbow bend; Between the second fluid switch valve and downstream underlying elbow bend, be installed with the second fluid switch valve;
The second feed liquor switch valve and the second fluid switch valve are backup circuit breaker valve body; The in the situation that of the first feed liquor switch valve and the inefficacy of the first fluid switch valve, can adopt the second feed liquor switch valve and the second fluid switch valve to be connected to upstream manifold is connected manifold connection with downstream controls, or/and, on upstream, put to put on elbow bend and downstream and on elbow bend, be separately installed with pressure release needle-valve.
6. according to the bits device of catching with pressure of the formation testing described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that being installed with respectively import union flange and exporting union flange on total feed liquor port of import threeway and total fluid port of outlet threeway.
7. according to the bits device of catching with pressure of the formation testing described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that import threeway, outlet threeway, first catch bits device assembly and second and catch the outside of bits device assembly and have casing; Import threeway, outlet threeway, first are caught bits device assembly and second and are caught bits device assembly and be arranged on the base plate of casing by support respectively.
8. the formation testing according to claim 6 bits device of catching with pressure, is characterized in that import threeway, outlet threeway, first catch bits device assembly and second and catch the outside of bits device assembly and have casing; Import threeway, outlet threeway, first are caught bits device assembly and second and are caught bits device assembly and be arranged on the base plate of casing by support respectively.
9. the formation testing according to claim 8 bits device of catching with pressure, is characterized in that the groove that Open Side Down is arranged at the bottom of end socket, is installed with core cylinder hanger and is positioned at groove in the upper center of seal plug; Have mounting limit hole at the middle part of internal thread pressure cap, the end socket upper end limited location boss corresponding with mounting limit hole is installed with end socket hanger on positive stop lug boss.
10. the formation testing according to claim 9 bits device of catching with pressure, is characterized in that reflecting desanding scum cock valve, Swirling flow sand-removing scum cock valve, the first feed liquor switch valve, the first fluid switch valve, the second feed liquor switch valve and the second fluid switch valve and adopts respectively flap type; Backwash feed liquor switch valve adopts ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768797.0U CN203626799U (en) | 2013-11-29 | 2013-11-29 | Oil test chipping catcher under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768797.0U CN203626799U (en) | 2013-11-29 | 2013-11-29 | Oil test chipping catcher under pressure |
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| Publication Number | Publication Date |
|---|---|
| CN203626799U true CN203626799U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320768797.0U Withdrawn - After Issue CN203626799U (en) | 2013-11-29 | 2013-11-29 | Oil test chipping catcher under pressure |
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| Country | Link |
|---|---|
| CN (1) | CN203626799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615229A (en) * | 2013-11-29 | 2014-03-05 | 中国石油集团西部钻探工程有限公司 | Well test belt pressing dust catcher |
| CN112855094A (en) * | 2021-03-11 | 2021-05-28 | 中海艾普油气测试（天津）有限公司 | Oil nozzle manifold with chip catching function |
-
2013
- 2013-11-29 CN CN201320768797.0U patent/CN203626799U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615229A (en) * | 2013-11-29 | 2014-03-05 | 中国石油集团西部钻探工程有限公司 | Well test belt pressing dust catcher |
| CN103615229B (en) * | 2013-11-29 | 2016-06-29 | 中国石油集团西部钻探工程有限公司 | Formation testing is with pressure catches bits device |
| CN112855094A (en) * | 2021-03-11 | 2021-05-28 | 中海艾普油气测试（天津）有限公司 | Oil nozzle manifold with chip catching function |
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Granted publication date: 20140604 Effective date of abandoning: 20160629 |
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