CN207988993U - A kind of stifled well equipment of frost - Google Patents

A kind of stifled well equipment of frost Download PDF

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Publication number
CN207988993U
CN207988993U CN201820262179.1U CN201820262179U CN207988993U CN 207988993 U CN207988993 U CN 207988993U CN 201820262179 U CN201820262179 U CN 201820262179U CN 207988993 U CN207988993 U CN 207988993U
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China
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hydraulic
frost
well equipment
blocked
pressure
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CN201820262179.1U
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Chinese (zh)
Inventor
朱静涛
李学玲
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Langfang Development Zone Zehnder Petroleum Equipment Co Ltd
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Langfang Development Zone Zehnder Petroleum Equipment Co Ltd
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Abstract

The utility model discloses a kind of frosts to block up well equipment, it includes ultrahigh-pressure hydraulic cylinder, ultrahigh-pressure hydraulic cylinder to temporarily freezing agent for pressurizeing, ultrahigh-pressure hydraulic cylinder includes cylinder body, piston, sealing ring and first annular scraper, hydraulic cavities are equipped in cylinder body, piston is built in hydraulic cavities, the sealing surface of piston is equipped with seal groove and the first scraper mounting groove, sealing ring is installed on seal groove, sealing ring is V-type combined seal ring, the high-pressure side of V-type combined seal ring is in homonymy with the first scraper mounting groove, first annular scraper is set to the first scraper mounting groove, first annular scraper is equipped with skiving blade, skiving blade fits in the inner wall of hydraulic cavities, the temporary jelly agent that first annular scraper is used to be adhered to hydraulic pressure cavity wall is struck off.Well equipment is blocked up in frost disclosed by the utility model, and temporary jelly agent is struck off, extends the service life of piston and sealing ring, reduce operating cost, while V-type combined seal ring improves the feed pressure upper limit by first annular scraper.

Description

A kind of stifled well equipment of frost
Technical field
The utility model is related to oil to block up well equipment technical field, and in particular to a kind of stifled well equipment of frost.
Background technology
It is a kind of means in snubbing serving that well technique is blocked up in frost, is that the development that well technique is blocked up in international oil field in recent years becomes Gesture has gradually replaced traditional stifled well technique with the advantages such as professional, quick, safe efficient.Well technique is blocked up with frost simultaneously Development, which also has to freeze, blocks up well equipment, and the operation principle for the pressure cylinder that well equipment is blocked up in existing frost is:Piston makees drawback movement, in cylinder Chamber volume increases, and cavity pressure reduces, and forms negative pressure, and under the action of pressure difference, valve is closed, and is opened into valve, temporarily freezes agent and enters Cylinder inner cavity;When piston is moved to backhaul extreme position, intracavitary does process movement, cylinder cavity volume full of agent, piston is temporarily frozen in cylinder Reduce, pressure increases, and makes to close into valve, and valve is opened, and the temporary jelly agent through being overpressurized is discharged from passing away, and piston is constantly past Multiple movement, suction process constantly alternately, temporarily freeze agent and constantly exported from channel by high pressure.
However the existing stifled well equipment of frost can not meet the needs that well technique is blocked up in frost, well equipment is blocked up in existing frost Freeze in agent pressure process to temporary, due to temporarily freezing the high viscosity and semisolid attribute of agent, temporarily jelly agent is sticked blocks up well equipment in frost On the inner wall of hydraulic cavities, the sealing element leakproofness on piston is caused to reduce, and influence the cooperation precision of piston and hydraulic cavities, caused Hydraulic cylinder, piston and seal durability are too short, need often with changing hydraulic cylinder, piston or sealing element so that the fortune of equipment Row cost is excessively high;In addition the feed pressure upper limit of existing equipment is relatively low, and the pressure that temporarily jelly agent enters well mouth of oil well is small, cannot meet The process requirements of high pressure values.
Utility model content
The purpose of this utility model is to provide a kind of frosts to block up well equipment, to solve hydraulic cylinder, the work of existing equipment Plug and the problem that seal durability is short, operating cost is high, the feed pressure upper limit is low.
To achieve the above object, a kind of freeze that provide of the utility model blocks up well equipment comprising ultrahigh-pressure hydraulic cylinder, The ultrahigh-pressure hydraulic cylinder for pressurizeing to temporarily freezing agent, the ultrahigh-pressure hydraulic cylinder include cylinder body, hydraulic oil port, Material mouth, piston, sealing ring and first annular scraper, the cylinder body is interior to be equipped with hydraulic cavities, the hydraulic oil port setting In one end of the cylinder body, the material mouth is set to the other end of the cylinder body, and the piston is built in The sealing surface of the hydraulic cavities, the piston is equipped with seal groove, and the piston is arranged first close to the side of the material mouth Scraper mounting groove, the sealing ring are installed on the seal groove, and the sealing ring is V-type combined seal ring, and the V-type combination is close The high-pressure side of seal is in homonymy with the first scraper mounting groove, and the first annular scraper is set to the first scraper peace Tankage, the first annular scraper are equipped with skiving blade, and the skiving blade fits in the inner wall of the hydraulic cavities, described first annular The temporary jelly agent that scraper is used to be adhered to the hydraulic pressure cavity wall is struck off.
Wherein, the seal groove is equipped with multiple, and multiple seal grooves are spaced setting, the sealing ring upwards in piston shaft It is identical as the seal groove quantity.
Wherein, it further includes linear displacement transducer that well equipment is blocked up in the frost, and the linear displacement transducer is fixed on institute Ultrahigh-pressure hydraulic cylinder is stated, the linear displacement transducer is used to monitor the displacement of the piston.
Wherein, it further includes the second annular scraper that well equipment is blocked up in the frost, the piston close to the hydraulic oil port one The second scraper mounting groove is arranged in side, and the described second annular scraper is set to the second scraper mounting groove, and second annular is scraped Knife is equipped with skiving blade, and the skiving blade fits in the inner wall of the hydraulic cavities, and the described second annular scraper is used for being adhered to The temporary jelly agent for stating hydraulic pressure cavity wall carries out secondary strike off.
Wherein, the frost blocks up well equipment and further includes superelevation hydraulic driver, three-way connection, temporarily freezes agent injector, charging Check valve and discharge check valve, the superelevation hydraulic driver are connect with the hydraulic oil port, and the superelevation hydraulic driver is used In the power for providing the ultrahigh-pressure hydraulic cylinder acting, the first interface of the three-way connection is connected with the material mouth by manifold It connects, the temporary discharge port for freezing agent injector is connect with the feed inlet of the feed check valve by manifold, and the charging is unidirectional The discharge port of valve is connect with the second interface of the three-way connection by manifold, the feed inlet of the discharge check valve and described three The third interface of pass joint is connected by manifold.
Wherein, it further includes the first plug valve that well equipment is blocked up in the frost, and first plug valve is serially connected with the temporary jelly agent Between injector and the feed check valve, first plug valve is used to manually control the opening and closing of pipeline.
Wherein, it further includes the second plug valve that well equipment is blocked up in the frost, second plug valve and the discharge check valve Discharge port connected by manifold, second plug valve is used to manually control the opening and closing of pipeline.
Wherein, it further includes the first hydraulic line that well equipment is blocked up in the frost, the superelevation hydraulic driver and the hydraulic pressure Hydraulic fluid port is connected by first hydraulic line.
Wherein, it further includes pumping plant, oil pipeline and the second hydraulic line that well equipment is blocked up in the frost, and the pumping plant surpasses with described High-voltage driving device is connected by the oil pipeline, and the pumping plant passes through second hydraulic line with the temporary jelly agent injector Connection.
Wherein, it further includes console, power distribution cabinet and generating set that well equipment is blocked up in the frost, and the console is matched with described Electric cabinet electric signal connects, and the power distribution cabinet is connect with the superelevation hydraulic driver and the pumping plant circuit, the generating set It is connect with the power distribution cabinet circuit, the power distribution cabinet controls the generating set to described according to the control signal of the console Superelevation hydraulic driver and the pumping plant provide electric energy.
The utility model has the following advantages that:
Well equipment is blocked up in frost provided by the utility model, and one end of piston is equipped with first annular scraper, first annular scraper It is moved together with piston, when feeding, first annular scraper can strike off the temporary jelly agent for the cavity wall for being adhered to hydraulic cavities so that living The mating surface of plug and hydraulic cavities, which undopes, temporarily freezes agent, ensure that the cooperation precision of piston and hydraulic cavities, extends piston and hydraulic cavities The service life of (cylinder body);It avoids sealing element from leading to seal failure because temporarily freezing the influence of agent simultaneously, extends sealing The service life of part;Due to the extension of piston, hydraulic cavities and seal durability, reduce frost block up the operation of well equipment at This can not also be influenced by temporary jelly agent while capable of bearing high pressure, effectively be carried additionally due to using V-type combined seal ring The high feed pressure upper limit of equipment.
Description of the drawings
Fig. 1 is the structural representation for the ultrahigh-pressure hydraulic cylinder that well equipment is blocked up in the frost that the utility model embodiment 1 and 2 provides Figure.
Fig. 2 is the structural schematic diagram for the piston that well equipment is blocked up in the frost that the utility model embodiment 1 and 2 provides.
Fig. 3 is the assembly signal of piston and dependency structure that well equipment is blocked up in the frost that the utility model embodiment 1 and 2 provides Figure.
Fig. 4 is the attachment structure schematic diagram that well equipment is blocked up in the frost that the utility model embodiment 2 provides.
In figure:1- ultrahigh-pressure hydraulic cylinders, 2- cylinder bodies, 3- hydraulic oil ports, 4- material mouths, 5- pistons, 6- sealing rings, The first annular ring scrapers of 7-, 8- hydraulic cavities, 9- seal grooves, 10- the first scraper mounting grooves, 11- skiving blades, the driving of 12- super-pressure Device, 13- three-way connections, 14- temporarily freeze agent injector, 15- feed check valves, 16- discharge check valves, 17- manifolds, 18- straight lines Displacement sensor, the annular scrapers of 19- second, the first plug valves of 20-, the second plug valves of 21-, 22- pumping plants, 23- oil pipelines, 24- Second hydraulic line, 25- consoles, 26- power distribution cabinets, 27- generating sets, 28- the second scraper mounting grooves.
Specific implementation mode
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, embodiment 1 provides a kind of stifled well equipment of frost comprising ultrahigh-pressure hydraulic cylinder 1, For ultrahigh-pressure hydraulic cylinder 1 for carrying out being forced into 130MPA to temporarily freezing agent, ultrahigh-pressure hydraulic cylinder includes cylinder body 2, hydraulic oil Mouth 3, material mouth 4, piston 5, sealing ring 6 and first annular ring scraper 7, cylinder body 2 is interior to be equipped with hydraulic cavities 8, and hydraulic cavities 8 are used To install piston 5, sealing ring 6 and first annular ring scraper 7 and load hydraulic oil and temporarily freeze agent, hydraulic oil port 3 is set to liquid One end of cylinder pressure ontology 2, hydraulic oil pass in and out hydraulic cavities 8 through hydraulic oil port 3, and material mouth 4 is set to the another of cylinder body 2 End temporarily freezes agent and passes in and out hydraulic cavities 8 through material mouth 4, and piston 5 is built in hydraulic cavities 8, and hydraulic cavities 8 are isolated into two parts by piston, and one Part is connected to hydraulic oil port 3 is referred to as oil pressure chamber for loading hydraulic oil, and another part is connected to material mouth for loading temporarily Freeze agent to be referred to as temporarily to freeze agent chamber, the sealing surface of piston 5 is equipped with seal groove 9, and piston 5 is equipped with first close to the side of material mouth 4 Scraper mounting groove 10, sealing ring 6 are installed on seal groove 9, and sealing ring 6 is V-type combined seal ring, the high pressure of V-type combined seal ring Side is in homonymy with the first scraper mounting groove 10, and V-type combined seal ring can seal 130MPA dynamic sealings, due to V-type combination sealing Circle use "<" shape structure, in the case of compression, "<" open side side bearing capacity it is more excellent so that ultrahigh-pressure hydraulic cylinder 1 Upper pressure limit is effectively improved, first annular scraper 7 is set to the first scraper mounting groove 10, and first annular scraper 7 is equipped with skiving blade 11, skiving blade 11 fits in the inner wall of hydraulic cavities 8, and the temporary jelly agent that first annular scraper 7 is used to be adhered to 8 inner wall of hydraulic cavities is scraped Remove, due to temporarily freezing the high viscosity and lazy flow of agent, first annular scraper 7 is preferably made of UPVC materials, UPVC have compared with Temporary jelly agent can be cut, be struck off by high hardness, and UPVC will not damage the sealing surface of hydraulic cylinder 8, into without leading The sealing surface of activation plug 5 is destroyed, and extends the service life of piston 5 and hydraulic cavities 8 (cylinder body 1), while striking off adherency After the temporary jelly agent of 8 inner wall of hydraulic cavities so that the service life of sealing ring 6 is also extended, to reduce the operation of equipment Cost.
As shown in Figures 2 and 3, in the present embodiment, the seal groove 9 on piston 5 is equipped with multiple, and multiple seal grooves 9 are in work Setting is spaced in the axial direction of plug 5, sealing ring 6 is identical as the quantity of seal groove 9, since sealing ring 6 is vulnerable part, is mainly temporarily frozen The influence of agent, the service life than piston 5 and hydraulic cavities 8 is short, and multiple sealing rings 6 can effectively improve service life, whole The service life that well equipment is blocked up in frost is improved, changing the part period for equipment is extended, reduces maintenance cost.
As shown in Figure 1, in the present embodiment, it further includes linear displacement transducer 18 to freeze and block up well equipment, and straight-line displacement passes Sensor 18 is fixed on ultrahigh-pressure hydraulic cylinder 1, and linear displacement transducer 18 is used to monitor the misalignment of piston 5, with auxiliary judgment Whether ultrahigh-pressure hydraulic cylinder 1 is in good working order, when 5 misalignment of piston occurs abnormal, it is possible to determine that piston 5 or There is exception in sealing element 7, need to carry out plant maintenance or renewal part.
As shown in Figures 2 and 3, in the present embodiment, it further includes the second annular scraper 19 to freeze and block up well equipment, and piston 5 leans on The second scraper mounting groove 28 is arranged in the side of the nearly hydraulic oil port 3, and the second annular scraper 19 is set to the second scraper mounting groove 28, the second annular scraper 19 is equipped with skiving blade 11, and skiving blade 11 fits in the inner wall of hydraulic cavities 8, and the second annular scraper 19 is used for To be adhered to the hydraulic pressure cavity wall temporary jelly agent carry out it is secondary strike off, to protect sealing surface and the guarantor of piston 5 and hydraulic cavities 8 Protect sealing ring 6.
Embodiment 2
As shown in Figure 1, Figure 2 and Figure 3, embodiment 2 provides a kind of stifled well equipment of frost comprising ultrahigh-pressure hydraulic cylinder 1, For ultrahigh-pressure hydraulic cylinder 1 for carrying out being forced into 130MPA to temporarily freezing agent, ultrahigh-pressure hydraulic cylinder includes cylinder body 2, hydraulic oil Mouth 3, material mouth 4, piston 5, sealing ring 6 and first annular ring scraper 7, cylinder body 2 is interior to be equipped with hydraulic cavities 8, and hydraulic cavities 8 are used To install piston 5, sealing ring 6 and first annular ring scraper 7 and load hydraulic oil and temporarily freeze agent, hydraulic oil port 3 is set to liquid One end of cylinder pressure ontology 2, hydraulic oil pass in and out hydraulic cavities 8 through hydraulic oil port 3, and material mouth 4 is set to the another of cylinder body 2 End temporarily freezes agent and passes in and out hydraulic cavities 8 through material mouth 4, and piston 5 is built in hydraulic cavities 8, and hydraulic cavities 8 are isolated into two parts by piston, and one Part is connected to hydraulic oil port 3 is referred to as oil pressure chamber for loading hydraulic oil, and another part is connected to material mouth for loading temporarily Freeze agent to be referred to as temporarily to freeze agent chamber, the sealing surface of piston 5 is equipped with seal groove 9, and piston 5 is equipped with first close to the side of material mouth 4 Scraper mounting groove 10, sealing ring 6 are installed on seal groove 9, and sealing ring 6 is V-type combined seal ring, the high pressure of V-type combined seal ring Side is in homonymy with the first scraper mounting groove 10, and V-type combined seal ring can seal 130MPA dynamic sealings, due to V-type combination sealing Circle use "<" shape structure, in the case of compression, "<" open side side bearing capacity it is more excellent so that ultrahigh-pressure hydraulic cylinder 1 Upper pressure limit is effectively improved, first annular scraper 7 is set to the first scraper mounting groove 10, and first annular scraper 7 is equipped with skiving blade 11, skiving blade 11 fits in the inner wall of hydraulic cavities 8, and the temporary jelly agent that first annular scraper 7 is used to be adhered to 8 inner wall of hydraulic cavities is scraped Remove, due to temporarily freezing the high viscosity and lazy flow of agent, first annular scraper 7 is preferably made of UPVC materials, UPVC have compared with Temporary jelly agent can be cut, be struck off by high hardness, and UPVC will not damage the sealing surface of hydraulic cylinder 8, into without leading The sealing surface of activation plug 5 is destroyed, and extends the service life of piston 5 and hydraulic cavities 8 (cylinder body 1), while striking off adherency After the temporary jelly agent of 8 inner wall of hydraulic cavities so that the service life of sealing ring 6 is also extended, to reduce the operation of equipment Cost.
Further include superelevation hydraulic driver 12, three-way connection 13, temporarily freeze agent injector as shown in figure 4, well equipment is blocked up in frost 14, feed check valve 15, discharge check valve 16 and several manifolds 17, superelevation hydraulic driver 12 are connect with hydraulic oil port 3, superelevation Hydraulic driver 12 is used to provide the power of the acting of ultrahigh-pressure hydraulic cylinder 1, and hydraulic oil is injected oil pressure by superelevation hydraulic driver 12 Chamber, and pressurizeed to hydraulic oil to push piston 5 to be pressurizeed (feed motion) or superelevation hydraulic driver 12 to temporarily freezing agent Hydraulic oil is pulled out into oil pressure chamber, and drawback movement is done with piston 5, with increase temporarily freeze agent chamber volume, so as to temporarily freeze agent into Enter and temporarily freeze agent chamber, the first interface of three-way connection 13 is connect with material mouth 4 by manifold 17, and the discharge port of agent injector 14 is temporarily frozen It is connect by manifold 17 with the feed inlet of feed check valve 15, the discharge port of feed check valve 15 connects with the second of three-way connection 13 Mouth is connected by manifold 17, and the feed inlet of discharge check valve 16 is connect with the third interface of three-way connection 13 by manifold 17, row The discharge port of material check valve 16 is connect with the well head at construction, and when piston does feed motion, feed check valve 15, which is in, closes State, discharge check valve 16 are in open state so that the temporary jelly agent after pressurization can only be injected along manifold to well head, when piston is done When drawback movement, feed check valve 15 is in open state, and temporarily temporary jelly agent is injected by jelly agent injector 14 along manifold temporarily freezes agent Chamber, at this time discharge check valve 16 be closed so that temporarily freeze agent will not in the case that it is uninflated enter well head.
As shown in figure 4, in the present embodiment, it further includes the first plug valve 20, the first plug valve 20 string to freeze and block up well equipment It is connected to and temporarily freezes between agent injector 14 and feed check valve 15, when, which there is exception, in feed check valve 15 to close, the first rotation Plug valve is used to manually control the opening and closing of pipeline.
As shown in figure 4, in the present embodiment, it further includes the second plug valve 21 to freeze and block up well equipment, the second plug valve 21 with The discharge port of discharge check valve 16 is connected by manifold 17, when, which there is exception, in discharge check valve 16 to close, the second cock Valve is used to manually control the opening and closing of pipeline.
As shown in figure 4, in the present embodiment, it further includes the first hydraulic line (not shown) to freeze and block up well equipment, is surpassed High-voltage driving device 12 is connect with hydraulic oil port 3 by the first hydraulic line.
As shown in figure 4, in the present embodiment, it further includes pumping plant 22, oil pipeline 23 and the second hydraulic tube to freeze and block up well equipment Line 24, pumping plant 22 are connect with superelevation hydraulic driver 12 by oil pipeline 23, to provide needed for superelevation hydraulic driver 12 Hydraulic oil, pumping plant 22 connects with the temporary agent injector 14 that freezes by the second hydraulic line 24, to provide temporarily jelly agent injector 14 to Temporarily freeze the power that agent is temporarily frozen in the injection of agent chamber.
As shown in figure 4, in the present embodiment, it further includes console 25, power distribution cabinet 26 and generating set to freeze and block up well equipment 27, console 25 is connect with 26 electric signal of power distribution cabinet, and power distribution cabinet 26 is connect with superelevation hydraulic driver 12 and 22 circuit of pumping plant, hair Motor group 27 is connect with 26 circuit of power distribution cabinet, and power distribution cabinet 26 controls generating set 27 to superelevation according to the control signal of console 25 Hydraulic driver 12 and pumping plant 22 provide electric energy.
In the present embodiment, it further includes manifold cleaning device (not shown), manifold cleaning device to freeze and block up well equipment It is connect with 26 circuit of power distribution cabinet, manifold cleaning device is used to clean feed check valve 15, discharge check valve 16, manifold after use 17, the first plug valve 20 and the second plug valve 21.
Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (10)

1. well equipment is blocked up in a kind of frost, it is characterised in that:It includes ultrahigh-pressure hydraulic cylinder, the super-pressure that well equipment is blocked up in the frost For hydraulic cylinder for pressurizeing to temporarily freezing agent, the ultrahigh-pressure hydraulic cylinder includes cylinder body, hydraulic oil port, material mouth, work Plug, sealing ring and first annular scraper, the cylinder body is interior to be equipped with hydraulic cavities, and the hydraulic oil port is set to the hydraulic pressure One end of cylinder ontology, the material mouth are set to the other end of the cylinder body, and the piston is built in the hydraulic cavities, The sealing surface of the piston is equipped with seal groove, and the first scraper mounting groove is arranged close to the side of the material mouth in the piston, The sealing ring is installed on the seal groove, and the sealing ring is V-type combined seal ring, the high pressure of the V-type combined seal ring Side is in homonymy with the first scraper mounting groove, and the first annular scraper is set to the first scraper mounting groove, described First annular scraper is equipped with skiving blade, and the skiving blade fits in the inner wall of the hydraulic cavities, and the first annular scraper is used for The temporary jelly agent for being adhered to the hydraulic pressure cavity wall is struck off.
2. well equipment is blocked up in frost according to claim 1, it is characterised in that:The seal groove be equipped with it is multiple, it is multiple described Seal groove is spaced setting upwards in piston shaft, and the sealing ring is identical as the seal groove quantity.
3. well equipment is blocked up in frost according to claim 1, it is characterised in that:It further includes straight line position that well equipment is blocked up in the frost Displacement sensor, the linear displacement transducer are fixed on the ultrahigh-pressure hydraulic cylinder, and the linear displacement transducer is for monitoring The displacement of the piston.
4. well equipment is blocked up in frost according to claim 1, it is characterised in that:It further includes the second ring that well equipment is blocked up in the frost The second scraper mounting groove, the described second annular scraper setting is arranged close to the side of the hydraulic oil port in shape scraper, the piston In the second scraper mounting groove, the described second annular scraper is equipped with skiving blade, and the skiving blade fits in the hydraulic cavities Inner wall, the described second annular scraper are used to carry out secondary strike off to the temporary jelly agent for being adhered to the hydraulic pressure cavity wall.
5. well equipment is blocked up in frost according to claim 1, it is characterised in that:It further includes super-pressure that well equipment is blocked up in the frost Driving device, temporarily freezes agent injector, feed check valve and discharge check valve, the superelevation hydraulic driver and institute at three-way connection Hydraulic oil port connection is stated, the superelevation hydraulic driver is used to provide the power of the ultrahigh-pressure hydraulic cylinder acting, the threeway The first interface of connector is connect with the material mouth by manifold, and the temporary discharge port for freezing agent injector and the charging are unidirectional The feed inlet of valve is connected by manifold, and the discharge port of the feed check valve and the second interface of the three-way connection pass through manifold Connection, the feed inlet of the discharge check valve are connect with the third interface of the three-way connection by manifold.
6. well equipment is blocked up in frost according to claim 5, it is characterised in that:It further includes the first rotation that well equipment is blocked up in the frost Plug valve, first plug valve are serially connected between the temporary jelly agent injector and the feed check valve, first plug valve Opening and closing for manually controlling pipeline.
7. well equipment is blocked up in frost according to claim 5, it is characterised in that:It further includes the second rotation that well equipment is blocked up in the frost Plug valve, second plug valve are connect with the discharge port of the discharge check valve by manifold, and second plug valve is used for hand The opening and closing of dynamic control piper.
8. well equipment is blocked up in frost according to claim 5, it is characterised in that:It further includes the first liquid that well equipment is blocked up in the frost Pressure pipeline, the superelevation hydraulic driver are connect with the hydraulic oil port by first hydraulic line.
9. well equipment is blocked up in frost according to claim 5, it is characterised in that:It is described frost block up well equipment further include pumping plant, Oil pipeline and the second hydraulic line, the pumping plant are connect with the superelevation hydraulic driver by the oil pipeline, the pumping plant It is connect by second hydraulic line with the temporary jelly agent injector.
10. well equipment is blocked up in frost according to claim 9, it is characterised in that:It further includes control that well equipment is blocked up in the frost Platform, power distribution cabinet and generating set, the console are connect with the power distribution cabinet electric signal, and the power distribution cabinet drives with the super-pressure Dynamic device is connected with the pumping plant circuit, and the generating set is connect with the power distribution cabinet circuit, and the power distribution cabinet is according to The control signal of console controls the generating set and provides electric energy to the superelevation hydraulic driver and the pumping plant.
CN201820262179.1U 2018-02-22 2018-02-22 A kind of stifled well equipment of frost Active CN207988993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820262179.1U CN207988993U (en) 2018-02-22 2018-02-22 A kind of stifled well equipment of frost

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820262179.1U CN207988993U (en) 2018-02-22 2018-02-22 A kind of stifled well equipment of frost

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108194048A (en) * 2018-02-22 2018-06-22 廊坊开发区森德石油设备有限公司 A kind of stifled well equipment of frost

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108194048A (en) * 2018-02-22 2018-06-22 廊坊开发区森德石油设备有限公司 A kind of stifled well equipment of frost
CN108194048B (en) * 2018-02-22 2024-03-01 廊坊开发区森德石油设备有限公司 Freezing well plugging equipment

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