CN108757414A - A kind of underground submersible pump apparatus for exploitation of gas hydrates - Google Patents
A kind of underground submersible pump apparatus for exploitation of gas hydrates Download PDFInfo
- Publication number
- CN108757414A CN108757414A CN201810825556.2A CN201810825556A CN108757414A CN 108757414 A CN108757414 A CN 108757414A CN 201810825556 A CN201810825556 A CN 201810825556A CN 108757414 A CN108757414 A CN 108757414A
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- China
- Prior art keywords
- flange
- pump apparatus
- submersible
- underground
- submersible pump
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of underground submersible pump apparatus for exploitation of gas hydrates, including：Circulating pump, protector and submersible motor, the circulating pump, protector and submersible motor sequentially connect from top to bottom；Diversion pipe, described diversion pipe one end are communicated in the circulating pump, and the other end extends to the bottom of the submersible motor.Provided by the present invention for the underground submersible pump apparatus of exploitation of gas hydrates the timely heat for taking away submersible motor is flowed using well liquid; achieve the purpose that heat dissipation, protection submersible motor, submersible motor is avoided to cause to burn failure because body temperature increases, influence the advantages of submersible motor service life.
Description
Technical field
The present invention relates to machinery equipment field, more particularly to a kind of underground submersible electric pumps for exploitation of gas hydrates
Device.
Background technology
Submersible motor is the power source of submersible electric pump, and following submersible electric pump, tripping in oil well works together, and submersible motor is being transported
It can generate heat during turning, the solution of the prior art is that submersible motor unit is placed on perforated interval or more, and well liquid flows through motor,
Heat is taken away, achievees the purpose that heat dissipation, when the well liquid for flowing through motor cannot in time take away heat, the body temperature of motor holds
It easily increases, fails so as to cause burn-down of electrical machinery, influence submersible motor service life, it is necessary to make improvements.
Invention content
The main object of the present invention is to provide a kind of underground submersible pump apparatus, it is intended to which submersible motor unit is placed on by solution
After below perforated interval, the well liquid unsmooth flowing around submersible motor cannot in time take away heat, so that the fuselage of submersible motor
Temperature is easy to increase, the problem of burning failure so as to cause submersible motor, influence submersible motor service life.
To achieve the above object, a kind of underground submersible pump apparatus proposed by the present invention, including：Circulating pump, protector and
Submersible motor, the circulating pump, protector and submersible motor sequentially connect from top to bottom；Diversion pipe, described diversion pipe one end connect
The circulating pump is passed through, the other end extends to the bottom of the submersible motor.
Preferably, the underground submersible pump apparatus further includes：Fixed column and bracket；The fixed column is set to described latent
The bottom of oily motor, the bracket are set in the fixed column, and described diversion pipe one end is communicated on the circulating pump, described
The diversion pipe other end is fixed on the bracket.Preferably ... ...
Preferably, the bracket offers an at least limit hole, and the oil outlet end of the diversion pipe prolongs across the limit hole
Extend to the bottom of the submersible motor.
Preferably, the underground submersible pump apparatus further includes pressure sensor and flow sensor, the pressure sensing
Device and the flow sensor may be contained on the bottom or motor side wall of the submersible motor.
Preferably, the underground submersible pump apparatus further includes first flange and second flange, the first flange connection
The protector and the submersible motor, the second flange connect the protector and the circulating pump.
Preferably, the first flange and the second flange offer flange through-hole, and the diversion pipe sequentially passes through
The flange through-hole of the first flange and the second flange.
Preferably, the first flange and the second flange are both provided with strain relief clamp, and the strain relief clamp will be described
Diversion pipe is fixed in the first flange and the second flange.
Preferably, the underground submersible pump apparatus further includes bandage, and the bandage is set to the first flange and institute
It states in second flange, the bandage ties up the diversion pipe in the first flange and the second flange.
Preferably, the underground submersible pump apparatus further includes oil pipe, and the circulating pump is connected to by the oil pipe with ground.
Preferably, the underground submersible pump apparatus is placed in the perforated interval of oil well or less.
Technical solution of the present invention draws a water conservancy diversion by adding a circulating pump above protector, and from circulating pump
A part of well liquid, is led to the lower section of submersible motor, to promote the mobility of well liquid around submersible motor, passes through the well of flowing by pipe
Liquid band walks the heat of submersible motor fuselage, to be reached for the purpose of submersible motor heat dissipation, protection submersible motor.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of submersible electric pump and gas lift valve geared power structure of the present invention；
Fig. 2 is the structural schematic diagram of underground submersible pump apparatus in Fig. 1；
Fig. 3 is a kind of installation of present invention submersible electric pump and a kind of oil-submersible cable connector of gas lift valve geared power structure
Schematic diagram；
Fig. 4 is the structural schematic diagram of the first seal of oil-submersible cable connector；
Fig. 5 is the structural schematic diagram of the first electric connection of oil-submersible cable connector；
Fig. 6 is another scheme of installation of oil-submersible cable connector；
Fig. 7 is the structural schematic diagram of the metal protection part of oil-submersible cable connector；
Fig. 8 is the another scheme of installation of oil-submersible cable connector；
Fig. 9 is the another scheme of installation of oil-submersible cable connector；
Figure 10 is the another scheme of installation of oil-submersible cable connector；
Figure 11 is the flow diagram of connection method.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
Please also refer to Fig. 1-2, the present invention proposes a kind of submersible electric pump and gas lift valve geared power structure A in fact, described
Submersible electric pump includes with gas lift valve geared power structure A：Gaslift valve gear 02, underground submersible pump apparatus 01, ground installation (figure
In do not indicate), oil pipe 03, cable 05 and detection device 06；The detection device 06 is equal with the underground submersible pump apparatus 01
It is electrically connected with the ground installation by the cable 05；The oil pipe 03 be connected to the underground submersible pump apparatus 01 with it is described
Ground installation simultaneously runs through the gaslift valve gear 02.
Further, the underground submersible pump apparatus 01 includes：Circulating pump 11, protector 12 and submersible motor 13, institute
Circulating pump 11, protector 12 and submersible motor 13 is stated sequentially to connect from top to bottom；Diversion pipe 14, the connection of 14 one end of the diversion pipe
In the circulating pump 11, the other end extends to the bottom of the submersible motor 13.
In the present embodiment, detection device 06 monitors the gas-oil ratio of well liquid in oil well D, and monitoring signals are passed by cable 05
It is sent to ground installation, ground installation calculates analysis gaslift valve gear 02 by the gas-oil ratio of the well liquid of each section in analysis oil well D
The suitable position that should be placed；Underground submersible pump apparatus 01 is connect with gaslift valve gear 02 by oil pipe 03, and gas lift valve fills
It sets to 02 to be connected to also by oil pipe 03 with ground installation, when gaslift valve gear 02 does not work and the work of underground submersible pump apparatus 01
When, gaslift valve gear 02 functions as oil pipe, and underground submersible pump apparatus 01 is connected to ground installation.Gaslift valve gear
It is determined by the gas-oil ratio of well liquid in oil well D whether 02 work, when the well liquid gas-oil ratio of 02 present position of gaslift valve gear is more than
When setting value, gaslift valve gear 02 enters working condition, when the well liquid gas-oil ratio of 02 present position of gaslift valve gear is less than setting
When value, gaslift valve gear 02 is in off working state, it will be understood that the setting value might not be certain certain value, also may be used
Think a certain preset ratio range.
When the submersible electric pump and gas lift valve geared power structure A are used for natural gas extraction, due to gas hydrates well
Gas content is larger in liquid, and traditional centrifugal submersible electric pump easily causes gas lock, cavitation erosion when being pumped into the larger well liquid of air content,
It causes submersible electric pump idle running, can not take out the phenomenon that well liquid, so that well liquid unsmooth flowing in oil well D, and further result in latent oil electricity
Machine can not radiate, and to cause to damage to the work package of submersible electric pump, influence the service life of submersible electric pump.The present invention provides
Submersible electric pump and gas lift valve geared power structure A can realize that gaslift lifts two kinds of oil production methods with liquid, when gas contains in well liquid
When amount is higher, underground submersible pump apparatus 01 is stopped, then is switched to the work of gaslift valve gear 02, avoids underground latent oil
Electric pump device 01 forms gas lock, cavitation because being pumped into high gas-oil ratio (HGOR) well liquid, realizes gaslift valve gear 02 and underground submersible electric pump
01 a preparation and a use of device, associated working, extends the service life of submersible electric pump.
As a kind of deformation, the gaslift valve gear 02 can also enter work shape simultaneously with underground submersible pump apparatus 01
State realizes that gaslift is lifted two kinds of oil production methods with liquid and carried out jointly.
Preferably, the underground submersible pump apparatus 01 is placed on oil well D perforated intervals (arrow locations in Fig. 1) below.
In the present embodiment, underground submersible pump apparatus 01 is placed on the perforated interval of oil well D hereinafter, to make full use of gravity to make
With because of gravity during flowing naturally down, a part of gas meeting natural separation comes out well liquid, makes to enter underground
The well liquid gas-oil ratio of submersible pump apparatus 01 decreases, and reaches preferably lifting effect.
Further, the submersible electric pump further includes with gas lift valve geared power structure A：Packer 04, the packer
04 is set between the oil pipe 03 and the annular space of oil well D.
Specifically, packer 04 is set to the top of the gaslift valve gear 02, the annular space in oil pipe 03 and oil well D it
Between, 04 space below of packer is formed and is sealed, to control production liquid, and completely cuts off underground high temperature and high pressure environment, protecting packer
The facilities such as 04 or more casing (not indicated in figure).
In the present embodiment, submersible motor 13 is electrically connected by cable 05 with ground installation, and electric energy is obtained from ground installation,
Power is provided for entire submersible pump apparatus (label)；When underground submersible pump apparatus 01 is in running order, well liquid is from following
The inlet port of ring pump 11 enters circulating pump 11, by the diversion pipe 14 being connected to circulating pump 11, is flowed from the lower section of submersible motor 13
Go out；Wherein protector 12 shields to submersible motor 13, and submersible motor 13 and well liquid are completely cut off, prevent well liquid from entering latent oil
Motor 13, and the mechanical energy that submersible motor 13 is generated exports, and is transferred to entire underground submersible pump apparatus 01.
Due to being deep to oil well D perforated intervals under underground submersible pump apparatus 01 hereinafter, so that well liquid around submersible motor 13
Mobility is poor, cannot take away the heat that submersible motor 13 is sent out in time, by adding circulating pump 11 in the top of protector 12,
Then diversion pipe 14 is drawn on circulating pump 11, a part of well liquid is led to the lower section of submersible motor 13, to enhance submersible motor
The mobility of 13 surrounding well liquids achievees the purpose that protect submersible motor 13 to take away the heat of submersible motor 13.It can manage
Solution, the quantity of diversion pipe 14 are not limited in one, and quantity is according to submersible motor 13 and entire underground submersible pump apparatus 01
Depending on working performance.
Such as Fig. 2, it is preferred that the underground submersible pump apparatus 01 further includes：Fixed column 15 and bracket 16；The fixed column
15 are set to the bottom of the submersible motor 13, and the bracket 16 is set in the fixed column 15,14 one end of the diversion pipe
It is communicated in the circulating pump 11,14 other end of the diversion pipe is fixed on the bracket 16.
Specifically, the bracket 16 offers an at least limit hole 161, the oil outlet end of the diversion pipe 14 passes through the limit
Position hole 161 extends to the lower section of the submersible motor 13.
In the present embodiment, the fixed column 15 supports entire underground submersible pump apparatus 01, the limit opened up on bracket 16
The end of diversion pipe 14 is fixed in position hole 161, enhances the stable connection of diversion pipe 14, flows through the well liquid of diversion pipe 14 from latent
The lower section of oily motor 13 is flowed out, and the mobility of the well liquid around submersible motor 13 is increased, and then takes away the heat of submersible motor 13,
Increase the service life of submersible motor 13.
The underground submersible pump apparatus 01 further includes pressure sensor 102 and flow sensor 103, the pressure sensing
Device 102 and the flow sensor 103 may be contained on 13 side wall of bottom or submersible motor of the submersible motor 13.
Pass through the pressure sensor 102 and flow sensor 103, Yong Huneng being arranged on 13 bottom of submersible motor or side wall
Enough working environments for recognizing underground submersible pump apparatus 01 in real time are prevented with monitoring the heat dispersal situations of submersible motor 13 because of pressure
Power or flow velocity are abnormal, damage submersible motor 13.
Further, the underground submersible pump apparatus 01 further includes first flange 17 and second flange 18, and described first
Flange 17 connects the protector 12 and the submersible motor 13, and the second flange 18 connects the protector 12 and followed with described
Ring pump 11.
In the present embodiment, by first flange 17 and second flange 18, by submersible motor 13, protector 12 and circulating pump 11
It is sequentially connected from bottom to up.In order to which well liquid is lifted to ground, underground submersible pump apparatus 01 further includes being connected to circulating pump 11
The oil-immersed pump 101 of top, and connect the third flange 19 of oil-immersed pump 101 and circulating pump 11.Oil suction of the well liquid from circulating pump 11
Mouth enters circulating pump 11, and a part flow to 13 bottom of submersible motor through diversion pipe 14, remaining enters oil-immersed pump 101, by oil-immersed pump
101 are lifted to ground, and in order to reinforce the lifting effect of well liquid or improve lift, the series of submersible electric pump is not limited only to level-one, can
Increase series as needed.
Specifically, first flange 17 and the second flange 18 offer flange through-hole 104, the diversion pipe 14 is successively
Across the flange through-hole 104 of the first flange 17 and the second flange 18.
Further, the first flange 17 and the second flange 18 are both provided with strain relief clamp 105, the strain relief clamp
The diversion pipe 14 is fixed in the first flange 17 and the second flange 18 by son 105.The underground submersible electric pump dress
It further includes bandage (not indicated in figure) to set to 01, and the bandage is set in the first flange 17 and the second flange 18, institute
Bandage is stated to tie up the diversion pipe 14 in the first flange 17 and the second flange 18.
By flange through-hole 104, strain relief clamp 105 and the bandage being arranged in first flange 17 and second flange 18, lead
Flow tube 14 is fixed on underground submersible pump apparatus 01 along the side of assembly orientation.The third flange 19 is also provided with strain relief clamp
Son 105 connects the cable 05 of submersible motor 13 and ground installation, leads to and also crosses first flange 17, second flange 18 and third flange
Strain relief clamp 105 on 19 is fixed on underground submersible pump apparatus 01 along the side of assembly orientation with bandage.
Further, Fig. 3-10 is please referred to, the cable 05 includes an at least oil-submersible cable connector 20, the latent oil electricity
Cable connector 20 is set to the terminals of the cable 05.
By installing oil-submersible cable connector 20 in the end for waiting for connecting cable 05, inserting between waiting for connecting cable 05 is realized
Formula connection is connect, installation procedure is simple, reduces the requirement to the technological level of technical staff, can greatly improve the connection of cable 05
Working efficiency.
Specifically, such as Fig. 3, Fig. 6, the oil-submersible cable connector 20 includes：First sleeve member 21 and sealing shroud 23, it is described
First sleeve member 21 and sealing shroud 23 are socketed on the first end for waiting for connecting cable B successively；Second sleeve part 22, described second set
Cylinder part 22 is sheathed on the second end for waiting for connecting cable C, and the second sleeve part 22 is interference fitted with the sealing shroud 23, and is covered
First sleeve member 21 is connected to close to the end of the sealing shroud 23.
First sleeve member 21 and second sleeve part 22 are insulation corrosion resistant type rubber, as a kind of embodiment, first
Sleeve member 21 and second sleeve part 22 can be ethylene propylene diene rubber.First wait for connecting cable B sequentially pass through the first sleeve member 21 and
Sealing shroud 23, second waits for that connecting cable C is penetrated in second sleeve part 22, and then second sleeve part 22 is socketed on the first sleeve member 21
Close to the end of sealing shroud 23, realizes two socket connections for waiting for connecting cable 05, simplify the connection process of oil-submersible cable 05, reach
To the purpose for improving operating personnel's working efficiency.
Preferably, an at least bulge loop 231, the outer diameter of the bulge loop 231 is provided on 23 outer surface of the sealing shroud to be more than
The internal diameter of the second sleeve part 22, the bulge loop 231 are abutted with 22 inner wall of second sleeve part.
By the bulge loop 231, sealing shroud 23 is as first after connecting cable B enters in second sleeve part 22, with the
Two sleeve members 22 are interference fitted, and realize sealing, and wait for that connecting cable B and second waits for that connecting cable C rises and protects to first after connection
Shield acts on.
Further, such as Fig. 5, Fig. 8, the oil-submersible cable connector 20 further includes the first electric connection 24, first electricity
Connector 24 is sheathed on first and waits on the copper core B1 of connecting cable B.The second electric connection is provided in the second sleeve part 22 (in figure
Do not indicate), one end of second electric connection offers shrinkage pool, and the second electric connection other end and second wait for connecting cable C
It abuts；When the second sleeve part 22 is socketed on first sleeve member 21 close to the end of the sealing shroud 23, described
One electric connection 24 is penetrated in the shrinkage pool of second electric connection and is cooperated.
First after connecting cable B sequentially passes through the first sleeve member 21 and sealing shroud 23, and in 22 sets of second sleeve part
The first sleeve member 21 is connected to before the end of sealing shroud 23, first electric connection 24 is sheathed on first and waits for connecting cable B
Copper core B1 on.In the present embodiment, one end of the first electric connection 24 offers pullover, and the other end offers connecting shaft 241, institute
It states pullover and is socketed on first and wait on the exposed copper core B1 in 05 end of connecting cable that the port of pullover is abutted with sealing shroud 23, connect
Axis 241 is abutted with exposed copper core B1.Second sleeve part 22 is socketed on the first sleeve member 21 behind the end of sealing shroud 23, even
Spindle 241 penetrates in the shrinkage pool of the second electric connection, and the first electric connection 24 and the second electric connection cooperate.Two are realized to wait connecting
The socket connection of cable simplifies the connection process of oil-submersible cable, reduces the requirement to operating personnel's technological level so that general
Energization work can also complete the connection work of oil-submersible cable, improve working efficiency.
Preferably, as shown in figure 3, first sleeve member 21 close to the end of sealing shroud 23 be it is step-like, described second
Sleeve member 22 is socketed with the stepped end.
Since the first sleeve member 21 is step-like, the first sleeve member 21 and second sleeve part 22 close to the end of sealing shroud 23
It is smooth to be socketed rear surface, is conducive to the operation for connecting the subsequent handling of the oil-submersible cable connector 20.
Further, as shown in Fig. 4, Figure 10, the oil-submersible cable connector 20 further includes first seal 25 and second
Sealing element 26, the first seal 25 offer an at least connecting cavity 251, the first set with the second seal 26
Cylinder part 21 is placed in the connecting cavity 251 of the first seal 25, and the second sleeve part 22 is placed in the second seal 26
Connecting cavity 251 in, the first seal 25 merges after assembling with the second seal 26 to the first sleeve member 21 and the
Two sleeve members 22 form sealing.
Wait for that the ends connecting cable B are penetrated successively in the first sleeve member 21 and sealing shroud 23 by first, and in exposed copper core
It is close will wait for that the first sleeve member 21 that connecting cable B is connected is placed in first with first after being arranged the first electric connection 24 on B1
In the connecting cavity 251 of sealing 25, and it will wait for that the second sleeve part 22 that connecting cable C is connected is placed in second seal 26 with second
Connecting cavity 251 in；Second sleeve part 22 is socketed on first sleeve member 21 close to the end of sealing shroud 23 again, and with institute
State the interference fit of sealing shroud 23.
In the present embodiment, first seal 25 and second seal 26 are corresponding to open up that there are three connecting cavities 251, and first is close
It is placed in each connecting cavity 251 of sealing 25 and has installed waiting for for the first sleeve member 21, sealing shroud 23 and the first electric connection 24
Connecting cable, be placed in each connecting cavity 251 of second seal 26 installed second sleeve part 22 wait for connecting cable,
After first seal 25 is docked with second seal 26,251 shape of connecting cavity that first seal 25 and second seal 26 open up
At docking, after first seal 25 merges assembling with second seal 26, the connecting cavity 251 being mutually butted forms a sealing sky
Between, connecting cavity 251 is entered with the extraneous well liquid of isolation, protection is formed to the structure in connecting cavity 251.
Specifically, the first seal 25 is to meet oily intumescent plastic cement with the second seal 26.
As 20 tripping in oil well D of oil-submersible cable connector, by meet first seal 25 that oily intumescent plastic material is constituted with
Second seal 26 can meet oily expansion, further strengthen to first sleeve member 21 and second sleeve part 22 in connecting cavity 251
Sealing.
Preferably, the oil-submersible cable connector 20 further includes bolt assembly (not indicated in figure), the first seal
25 sides for prolonging assembly orientation with the second seal 26 offer storage tank 253, and the bolt assembly is placed in the appearance
It sets in slot 253.
In the present embodiment, first seal 25 prolongs assembly orientation with second seal 26 two sides are corresponding to be offered
Storage tank 253, after first seal 25 is docked with second seal 26, the corresponding storage tank 253 opened up also forms docking, will
Bolt assembly is placed in the storage tank 253, and first seal 25 is merged assembling with second seal 26.It is appreciated that the
One sealing element 25 prolongs the storage tank 253 that assembly orientation opens up with second seal 26 and is not limited in two, as long as can reach
Sealing effect, first seal 25, which with second seal 26 is prolonged 253 quantity of storage tank that assembly orientation opens up and can be increased, to add deduct
It is few.
Preferably, oil-submersible cable connector 20 further includes metal protection part 27 (not indicated in figure), the metal protection part
27 be a thin metal layer, and the thin metal layer is wrapped in the surface of the first seal 25 and the second seal 26.
By the metal protection part 27, it can play a good protective effect to the structure wrapped up in it, prevent latent oil
The mechanical damage caused by the reasons such as scraping of cable connector 20.
After first seal 25 is merged assembling with second seal 26 by bolt assembly, metal protection part 27 is wrapped in
The first seal 25 is fixed in the surface of the first seal 25 and the second seal 26 by fastener 252
And in the second seal 26.
As a kind of deformation, the metal protection part 27 can be a block of metal thin layer, also can polylith combination be wrapped in the
The surface of one sealing element 25 and the second seal 26.
Further, the first seal 25 and second seal 26 are both provided with fastener 252, the metal protection
The position that part 27 corresponds to the fastener 252 offers protector through-hole 271, and the fastener 252 passes through the protector
The metal protection part 27 is fixed in the first seal 25 and the second seal 26 by through-hole 271.
It is both provided with fastener 252 by first seal 25 and second seal 26, metal protection part 27 can fix
In in first seal 25 and the second seal 26, reinforce fixing to cross a step, metal protection part 27 is along assembly orientation
Both ends metal protection part 27 is fastened by screw 272.
The present invention also proposes that a kind of oil-submersible cable connection method, the connection method of the oil-submersible cable include the following steps：
S1：Wait for that the ends connecting cable B are penetrated successively in the first sleeve member 21 and sealing shroud 23 by first；
S2：Wait for that connecting cable C-terminal portion penetrates the second sleeve part 22 by second；
S3：It will wait for that the first sleeve member 21 that connecting cable B is connected is placed in the connecting cavity 251 of first seal 25 with first
It is interior, and will wait for that the second sleeve part 22 that connecting cable C is connected is placed in the connecting cavity 251 of second seal 26 with second；
S4：Second sleeve part 22 is sheathed on outside the sealing shroud 23, and is socketed on first sleeve member 22 close to institute
The end of sealing shroud 23 is stated, and is interference fitted with the sealing shroud 23.
It can be understood that：Before waiting for that the ends connecting cable B penetrate the first sleeve member 21 and sealing shroud 23 successively by first,
It need to wait for that the copper core B1 of connecting cable B is stripped out by first, so that copper core B1 is exposed, and exposed copper core B1 length is greater than or equal to
The part that first electric connection 24 is covered, then executes step S1 again.
Further include step S5 before step S2 after the S1：First electrical connector 24 is socketed on first company of waiting for
It connects on the exposed copper core B1 of cable B.
Further, after the S4, the connection method of the oil-submersible cable further includes following steps：
S6：Bolt assembly is placed in the storage tank 253 of the first seal 25 and the second seal 26, by institute
It states first seal 25 and the second seal 26 merges assembling；
S7：Metal protection part 27 is wrapped in the surface of the first seal 25 and the second seal 26, is passed through
Metal protection part 27 is fixed in the first seal 25 and the second seal 26 by fastener 252, and passes through screw
272 fasten the metal protection part 27.
It should be understood that the model for the oil-submersible cable connector 20 that the present embodiment proposes can according to the model of cable 05 into
Row variation, through the above steps, two wait for that connecting cable may be implemented quickly to connect, and simplify the connection process of oil-submersible cable, drop
The low technological level requirement to operating personnel, to improve working efficiency.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
His relevant technical field is included in the scope of patent protection of the present invention.
Claims (10)
1. a kind of underground submersible pump apparatus for exploitation of gas hydrates, which is characterized in that including：Circulating pump, protection
Device and submersible motor, the circulating pump, protector and submersible motor sequentially connect from top to bottom；Diversion pipe, the diversion pipe one
End is communicated in the circulating pump, and the other end extends to the bottom of the submersible motor.
2. the underground submersible pump apparatus according to claim 1 for exploitation of gas hydrates, which is characterized in that institute
Stating underground submersible pump apparatus further includes：Fixed column and bracket；The fixed column is set to the bottom of the submersible motor, described
Bracket is set in the fixed column, and described diversion pipe one end is communicated on the circulating pump, and the diversion pipe other end is fixed
In on the bracket.
3. the underground submersible pump apparatus according to claim 2 for exploitation of gas hydrates, which is characterized in that institute
It states bracket and offers an at least limit hole, the oil outlet end of the diversion pipe extends to the submersible motor across the limit hole
Bottom.
4. the underground submersible pump apparatus according to claim 1 for exploitation of gas hydrates, which is characterized in that institute
It further includes pressure sensor and flow sensor to state underground submersible pump apparatus, the pressure sensor and the flow sensor
It may be contained on the bottom or motor side wall of the submersible motor.
5. the underground submersible pump apparatus according to claim 1 for exploitation of gas hydrates, which is characterized in that institute
It further includes first flange and second flange to state underground submersible pump apparatus, and the first flange connects the protector and dives with described
Oily motor, the second flange connect the protector and the circulating pump.
6. the underground submersible pump apparatus according to claim 5 for exploitation of gas hydrates, which is characterized in that institute
It states first flange and the second flange offers flange through-hole, the diversion pipe sequentially passes through the first flange and described
The flange through-hole of second flange.
7. the underground submersible pump apparatus according to claim 5 for exploitation of gas hydrates, which is characterized in that institute
It states first flange and the second flange is both provided with strain relief clamp, the diversion pipe is fixed on described by the strain relief clamp
On one flange and the second flange.
8. the underground submersible pump apparatus according to claim 5 for exploitation of gas hydrates, which is characterized in that institute
It further includes bandage to state underground submersible pump apparatus, and the bandage is set in the first flange and the second flange, described
Bandage ties up the diversion pipe in the first flange and the second flange.
9. the underground submersible pump apparatus according to claim 1 for exploitation of gas hydrates, which is characterized in that institute
It further includes oil pipe to state underground submersible pump apparatus, and the circulating pump is connected to by the oil pipe with ground.
10. the underground submersible pump apparatus of exploitation of gas hydrates is used for according to claim 1-9 any one of them, it is special
Sign is that the underground submersible pump apparatus is placed in the perforated interval of oil well or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825556.2A CN108757414A (en) | 2018-07-25 | 2018-07-25 | A kind of underground submersible pump apparatus for exploitation of gas hydrates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825556.2A CN108757414A (en) | 2018-07-25 | 2018-07-25 | A kind of underground submersible pump apparatus for exploitation of gas hydrates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108757414A true CN108757414A (en) | 2018-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810825556.2A Pending CN108757414A (en) | 2018-07-25 | 2018-07-25 | A kind of underground submersible pump apparatus for exploitation of gas hydrates |
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| CN (1) | CN108757414A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580634A (en) * | 1984-03-20 | 1986-04-08 | Chevron Research Company | Method and apparatus for distributing fluids within a subterranean wellbore |
| US6260627B1 (en) * | 1999-11-22 | 2001-07-17 | Camco International, Inc. | System and method for improving fluid dynamics of fluid produced from a well |
| US20060016591A1 (en) * | 2004-06-18 | 2006-01-26 | Brennon Cote | Apparatus and method for agitating reservoir while pumping |
| RU2519281C1 (en) * | 2013-04-10 | 2014-06-10 | Общество с ограниченной ответственностью Научно-техническое предприятие "Нефтегазтехника" | Pumping packer and cutoff system for simultaneous and separate operation of well formations (versions) |
| CN208686558U (en) * | 2018-07-25 | 2019-04-02 | 百斯迈奇能源技术服务（深圳）有限公司 | A kind of underground submersible pump apparatus for exploitation of gas hydrates |
-
2018
- 2018-07-25 CN CN201810825556.2A patent/CN108757414A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580634A (en) * | 1984-03-20 | 1986-04-08 | Chevron Research Company | Method and apparatus for distributing fluids within a subterranean wellbore |
| US6260627B1 (en) * | 1999-11-22 | 2001-07-17 | Camco International, Inc. | System and method for improving fluid dynamics of fluid produced from a well |
| US20060016591A1 (en) * | 2004-06-18 | 2006-01-26 | Brennon Cote | Apparatus and method for agitating reservoir while pumping |
| RU2519281C1 (en) * | 2013-04-10 | 2014-06-10 | Общество с ограниченной ответственностью Научно-техническое предприятие "Нефтегазтехника" | Pumping packer and cutoff system for simultaneous and separate operation of well formations (versions) |
| CN208686558U (en) * | 2018-07-25 | 2019-04-02 | 百斯迈奇能源技术服务（深圳）有限公司 | A kind of underground submersible pump apparatus for exploitation of gas hydrates |
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