CN107060667A - Tubular pump construction well - Google Patents
Tubular pump construction well Download PDFInfo
- Publication number
- CN107060667A CN107060667A CN201710342911.6A CN201710342911A CN107060667A CN 107060667 A CN107060667 A CN 107060667A CN 201710342911 A CN201710342911 A CN 201710342911A CN 107060667 A CN107060667 A CN 107060667A
- Authority
- CN
- China
- Prior art keywords
- closeouts
- well
- sucker rod
- tubing pump
- oil pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000011010 flushing procedure Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 10
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 10
- 238000005406 washing Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 10
- 239000012530 fluid Substances 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pipe Accessories (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a tubular pump construction well, comprising: an oil pipe; a tubing pump connected below the oil pipe; the tubular pump comprises a pump cylinder connected with the oil pipe and a piston positioned in the pump cylinder; the hollow sucker rod is positioned in the oil pipe, and the sucker rod and the oil pipe form an oil rod annular space; the lower end of the sucker rod is connected with the piston so as to drive the piston to move; a well washing mechanism is arranged at the position of the sucker rod close to the tubular pump; the well flushing mechanism is opened when the pressure in the sucker rod is greater than the preset acting force, and the interior of the sucker rod is communicated with the annular space of the sucker rod; and the well washing mechanism is closed when the pressure in the sucker rod is less than the preset acting force, and the inside of the sucker rod is not communicated with the annular space of the sucker rod. The tubular pump construction well provided by the invention can effectively remove hydrogen sulfide in the oil pipe, and the well washing work is not influenced by stratum leakage.
Description
Technical field
The present invention relates to the mechanical field of petroleum recovering, more particularly to a kind of tubing pump construction well.
Background technology
At present, tubing pump and insert pump can be divided into the fixed form of underground according to oil well pump.Wherein, insert pump is in inspection
Flowline need not be played during pump, but interior seating nipple is extracted by sucker rod.Thus during workover treatment, when sulphur in well
, it is necessary to which in the case that well-flushing removes hydrogen sulfide, interior seating nipple is extracted and can carried out by insert pump by sucker rod when change hydrogen is exceeded
Normal well-flushing work.
And for the construction well using tubing pump, when hydrogen sulfide is exceeded in well, it is necessary to which well-flushing removes hydrogen sulfide.Positive reason
Can be by setting up oil jacket annular space and the circulation progress well-flushing in oil pipe, so as to remove the hydrogen sulfide in oil pipe under condition.
But when tubing pump is constructed, if running into underground misses serious situation, oil jacket annular space and oil can not be set up
The circulation well cleanup work of pipe.Serious well is missed for underground, current workover treatment to shaft bottom using diverting agent is squeezed into, and decrease is washed
Then well liquid sets up reacting cycle well-flushing in the leakage on stratum, removes the hydrogen sulfide in oil pipe.But diverting agent is costly, process is multiple
It is miscellaneous, and have certain risk of failure.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, the present invention is necessary to provide a kind of tubing pump construction well, can be easy to build
Circulation well cleanup work in vertical oil pipe, so as to effectively remove the hydrogen sulfide in oil pipe.
To reach above-mentioned purpose, the present invention uses following scheme：
A kind of tubing pump construction well, including：
Oil pipe；
It is connected to the tubing pump under oil pipe；The tubing pump includes the pump barrel being connected with the oil pipe and positioned at pump barrel
Interior piston；
Hollow rod in oil pipe, the sucker rod and oil pipe formation beam hanger annular space；The sucker rod
Lower end connects the piston, to drive the piston movement；The sucker rod is provided with well-flushing close to the position of the tubing pump
Mechanism；Pressure of the well-flushing mechanism in the sucker rod is opened when being more than default active force, by the inside of the sucker rod
Connected with the beam hanger annular space；Pressure of the well-flushing mechanism in the sucker rod is closed when being less than the default active force,
The inside of the sucker rod is not connected with the beam hanger annular space.
As a preferred embodiment, the well-flushing mechanism includes the master extended along the sucker rod length direction
Body, the runner in the main body；The runner is used to connect the inside of the sucker rod with the beam hanger annular space；It is described
The closeouts that can be moved are provided with main body；
Pressure of the closeouts in the sucker rod does not block the runner when being more than the default active force；It is described
Pressure of the closeouts in the sucker rod blocks the runner when being less than or equal to the default active force.
As a preferred embodiment, the closeouts are located in the runner.
As a preferred embodiment, the moving direction of the closeouts puts on the envelope with the beam hanger annular space
The pressure direction of blocking piece is vertical.
As a preferred embodiment, the moving direction of the closeouts is equal with the length direction of the main body
OK.
As a preferred embodiment, the main body be provided with run through along its length axial passage, with
And the radial passage for radially running through the wall of the main body；The radial passage is by the axial passage and the beam hanger annular space
Connection；
The closeouts are provided with the axial passage；The axial passage is provided with valve seat in the top of the closeouts；
The part axial passage above the closeouts forms the runner with the radial passage；
The closeouts contact blocks the runner in the valve seat；The stream is opened when the closeouts are away from valve seat
Road.
As a preferred embodiment, the closeouts are extended in the same direction with the main direction；
It is also associated with pushing up firmware in the axial passage；Elastic component is provided between the top firmware and the closeouts；Institute
State closeouts under the resilient force of the elastic component contact on the valve seat.
As a preferred embodiment, the side wall of the closeouts is fitted with the wall of the axial passage.
As a preferred embodiment, the side of the confession of the valve seat closeouts contact is provided with inner conical surface；Institute
The one end for stating valve seat described in the contact of closeouts is provided with the male cone (strobilus masculinus) matched with the inner conical surface.
As a preferred embodiment, the elastic component is its pre-compressed state；The elastic component is to the closeouts
Apply the default active force；The initial compression amount of the elastic component is adjustable.
As a preferred embodiment, the top firmware is threadedly connected in the axial passage；The top firmware
Position it is adjustable.
As a preferred embodiment, the elastic component is cylindrical spring；The closeouts are close to the top firmware
One end be provided with the groove stretched into for the part elastic component；The top firmware is clamp nut.
By above description as can be seen that tubing pump provided by the present invention is constructed well by provided with hollow rod and
Well-flushing mechanism, so as to set up circulation well cleanup between the beam hanger annular space in hollow rod and oil pipe so that well-flushing liquid energy
It is enough effective to being cleaned in oil pipe, and then the hydrogen sulfide in oil pipe can be effectively removed, and well-flushing work is not influenceed by formation leakage.
With reference to explanation hereinafter and accompanying drawing, only certain exemplary embodiments of this invention is disclose in detail, the original of the present invention is specified
Reason can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit is required, embodiments of the present invention include many changes, modifications and equivalent.
The feature for describing and/or showing for a kind of embodiment can be in same or similar mode one or more
Used in individual other embodiment, it is combined with feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, one integral piece, step or component.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the tubing pump construction well construction schematic diagram that one embodiment of the present invention is provided；
Fig. 2 is the well-flushing mechanism structural representation in Fig. 1.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained on the premise of creative work is not made, should all belong to guarantor of the present invention
The scope of shield.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
The arbitrary and all combination of related Listed Items.
Fig. 1 and Fig. 2 is referred to, a kind of tubing pump construction well provided for one embodiment of the present invention, including：Oil pipe
1；It is connected to the tubing pump under oil pipe 1；The tubing pump includes the pump barrel 3 being connected with the oil pipe 1 and in pump barrel 3
Piston 4；Hollow rod 2 in oil pipe 1, the sucker rod 2 and the oil pipe 1 formation beam hanger annular space 6；The oil pumping
The lower end of bar 2 connects the piston 4, to drive the piston 4 to move；The sucker rod 2 is set close to the position of the tubing pump
It is equipped with well-flushing mechanism 5；Pressure of the well-flushing mechanism 5 in the sucker rod 2 is opened when being more than default active force, is taken out described
The inside of beam hanger 2 is connected with the beam hanger annular space 6；Pressure of the well-flushing mechanism 5 in the sucker rod 2 is less than described default
Closed during active force, the inside of the sucker rod 2 is not connected with the beam hanger annular space 6.
In the present embodiment, by the way that to flushing fluid is squeezed into inside sucker rod 2, flushing fluid acts on well-flushing mechanism 5 so that
Pressure in the sucker rod 2 is more than the default active force, so that well-flushing mechanism 5 is opened, now, the inside of sucker rod 2 and oil
Burr sky 6 is connected, and flushing fluid is then return to ground into beam hanger annular space 6, so as to complete the cleaning to oil pipe 1, effectively goes
Except the hydrogen sulfide in oil pipe 1.
By above description as can be seen that the tubing pump construction well that present embodiment is provided passes through provided with hollow rod
2 and well-flushing mechanism 5, so as to set up circulation well cleanup between the beam hanger annular space 6 in hollow rod 2 and oil pipe 1 so that
Flushing fluid can be effectively to cleaning in oil pipe 1, and then can effectively remove the hydrogen sulfide in oil pipe 1, and well-flushing work is not by ground
Layer leakage influence.
In the present embodiment, hollow rod 2 is tubular structure, so as to form the stream flowed for flushing fluid
Road.Hollow rod 2 is referred to as hollow polished rod.Wherein, hollow rod 2 can be multiple oil pumping bar segments (or to be short
Section) it is sequentially connected in series to be formed.The position of the close tubing pump of hollow rod 2 sets well-flushing mechanism 5, so as to being filled inside oil pipe 1
Distinguish and wash.Specifically, well-flushing mechanism 5 can be connected to the bottom of hollow rod 2, i.e. hollow rod 2 and tubing pump
Between piston 4, the upper end of the most next bar segment of hollow rod 2 can also be connected to.
The well-flushing mechanism 5 is including the main body 50 along the length direction of sucker rod 2 extension, in the main body 50
Runner；The runner is used to connect the inside of the sucker rod 2 with the beam hanger annular space 6；Energy is provided with the main body 50
The closeouts 52 enough moved；Pressure of the closeouts 52 in the sucker rod 2 is not blocked when being more than the default active force
The runner；Closure is described when pressure of the closeouts 52 in the sucker rod 2 is less than or equal to the default active force
Runner.
Main body 50 is formed in one.Such as, main body 50 can be formed by turnery processing.The material of main body 50 can be
Steel.The closeouts 52 can block the runner.Wherein, closeouts 52 can block the optional position of runner, such as, closure
Part 52 can block the end, middle part or other positions of runner.Runner is opened in main body 50, and it can be linear pattern runner,
Can also flexure type runner etc., present embodiment does not do any limitation equally.
To avoid the movement of the pressure disturbances closeouts 52 in beam hanger annular space 6, the moving direction of the closeouts 52 and institute
State beam hanger annular space 6 put on the closeouts 52 pressure direction it is vertical.As shown in Fig. 2 moving direction and the master of closeouts 52
The length direction of body 50 is identical, and the pressure of beam hanger annular space 6 is acted on the side wall of closeouts 52, so that, the pressure of beam hanger annular space 6
Direction is different from the moving direction of closeouts 52, even if there is the shifting that pressure oscillation also can not be to closeouts 52 in beam hanger annular space 6
Movable property life influence.
In the present embodiment, the length direction (axial direction of main body 50) of the moving direction of closeouts 52 and main body 50 can be with
It is identical can also be different.Such as, the moving direction of closeouts 52 be along main body 50 radial direction, or axially, or even with main body 50
Length direction there is certain angle etc..It is used as preferred, the moving direction of the closeouts 52 and the main body 50
Length direction is parallel.Being arranged such can be so that the moving direction of closeouts 52 puts on the effect of closeouts 52 with flushing fluid
Force direction (being downward in Fig. 1) is identical, consequently facilitating the movement of closeouts 52.
In the present embodiment, the main body 50 can provided with run through along its length axial passage 51, with
And the radial passage 53 for radially running through the wall of the main body 50.Wherein, radial passage 53 can be mutual with axial passage 51
Vertically.Radial passage 53 generally linear pattern passage or straight line type hole.The number of radial passage 53 can be to be multiple, and along main body
50 circumference is uniformly distributed.
The radial passage 53 connects the axial passage 51 with the beam hanger annular space 6；Set in the axial passage 51
There are the closeouts 52；The axial passage 51 is provided with valve seat 56 in the top of the closeouts 52.Positioned at the closeouts 52
The part axial passage 51 of top forms the runner with the radial passage 53.The contact of closeouts 52 is in the valve
The runner is blocked during seat 56；The runner is opened when the closeouts 52 are away from valve seat 56.
Wherein, can change vertically can also be identical for the internal diameter of axial passage 51.As shown in Fig. 2 axial passage 51
Internal diameter is axially varying, forms different internal diameter sections.Part axial passage 51 (part for being located at the top of closeouts 52) is used for shape
Into runner, part axial passage 51 is used to set closeouts 52 and slided for closeouts 52.
The closeouts 52 are extended in the same direction with the direction of main body 50.The generally body of rod of closeouts 52.The axial passage
It is also associated with pushing up firmware 54 in 51.Elastic component 55 is provided between the top firmware 54 and the closeouts 52；The closeouts 52
Contact is on the valve seat 56 under the resilient force of the elastic component 55.As shown in Fig. 2 valve seat 56 is distinguished with top firmware 54
Positioned at the both sides of closeouts 52, valve seat 56 is located at the top of closeouts 52, and top firmware 54 is located at the lower section of closeouts 52.
For ease of the motion guide to closeouts 52, the wall of the side wall of the closeouts 52 and the axial passage 51 is pasted
Close.Meanwhile, the external diameter in the most of length of closeouts 52 is equal, can guarantee that the stability of the motion of closeouts 52.In this implementation
In mode, as shown in Fig. 2 the top of closeouts 52 blocks valve seat 56, the side wall of closeouts 52 blocks radial passage 53.Footpath
To passage 53 and axial direction (or length direction) of the valve seat 56 along main body 50 spaced a predetermined distance.It is arranged such to allow for and avoids washing
Well mechanism 5 is opened by mistake in oil pumping process or other underground work and opened, it is to avoid string oil.
When the upper pressure of closeouts 52 is fluctuated, the pressure oscillation is not the situation for the pressure that flushing fluid is given
Under, now closeouts 52 are descending but do not open radial passage 53, and runner is still within sealed condition, meanwhile, elastic component 55 is received
The partial pressure is fluctuated to compression and buffered, by closeouts 52 after pressure oscillation venting again contact valve seat 56.As can be seen that such as
This sets it is possible to prevente effectively from well-flushing mechanism 5 produces breakdown action by mistake.
In the present embodiment, valve seat 56 is arranged in axial passage 51, and it is located at the top of closeouts 52.Valve seat 56 is whole
Body is toroidal, and it can radially reduce the reducing step formed for the inwall of main body 50, or by such as welding,
The modes such as threaded connection are connected to the circular ring structure on the inwall of main body 50.Continue from the preceding paragraph description, main body 50 is preferably integrated into
Type structure, the reducing step that valve seat 56 can be formed for the internal partial wall of main body 50.
To improve closeouts 52 and the closure sealing effectiveness of valve seat 56, the confession contact of closeouts 52 of the valve seat 56
Side is provided with inner conical surface；One end of valve seat 56 described in the contact of the closeouts 52 is provided with the outer cone matched with the inner conical surface
Face.Wherein, the conical surface can be part-conical face, or part pyramidal surface, present embodiment is not limited thereto.
In the present embodiment, default active force acts on well-flushing mechanism, specifically acts on the closeouts of well-flushing mechanism.
The default active force can provide restoring force when closeouts are away from block-up position.Default active force can be by main body
Description components are provided, and description components can be elastic component or magnetic part etc., and accordingly, default active force can be magnetic
Power, elastic force etc..It is preferred that, it is elastic force to preset active force.Default active force can be pressure, thrust or pulling force.Such as Fig. 2 institutes
Show, default active force is the elastic thrust that elastic component 55 is put in closeouts 52.
To prevent from well-flushing mechanism 5 from opening by mistake opening and ensureing sealing effectiveness, the elastic component 55 can be its pre-compressed state, this
When, precompressed elastic component 55 puts on the initial resistance of closeouts 52 1 (this is one embodiment of default active force),
In the presence of the resistance, it is ensured that closeouts 52 are in close contact valve seat 56, meanwhile, as long as the pressure inside beam hanger is more than
In the case of the initial resistance, closeouts 52 just may move, so as to effectively prevent the influence of some pressure oscillations.
To adapt to the well-flushing requirement of different undergrounds, the value of (initial) the default active force of the elastic component 55 is adjustable, or,
The initial compression amount of the elastic component can be adjusted.Specifically, the top firmware 54 can be threadedly connected to the axial passage
In 51, by rotating top firmware 54, it can make it that the position of the top firmware 54 is adjustable.It is preferred that, the elastic component 55 is circle
Post spring；The closeouts 52 are provided with the groove stretched into for the part elastic component 55 close to one end of the top firmware 54；Institute
It is clamp nut to state top firmware 54.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and
The all values of upper value, the interval that there are at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity of part or the value of process variable (such as temperature, pressure, the time) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is to illustrate that such as 15 to 85,22 are also clearly listed in the specification arrives
68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, it is 0.0001,0.001,0.01,0.1 suitably to think a unit.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all scopes all include all numerals between end points and end points.It is used together with scope
" about " or " approximate " be suitable for two end points of the scope.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", at least end points including indicating.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describe the term " substantially by ... constitutes " of combination should include determined by element, composition, part or step and reality
There is no other elements, composition, part or the step of the basic novel feature for influenceing the combination in matter.Using term "comprising" or
" comprising " describes the combination of element here, composition, part or step it is also contemplated that basic by these elements, composition, part
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to which illustrate that " can with " include is described any
Attribute is all optional.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.It is alternative
Ground, single integrated component, composition, part or step can be divided into multiple element, composition, part or the step of separation.It is used for
The open "a" or "an" for describing element, composition, part or step is not said to exclude other elements, composition, part
Or step.
It should be understood that above description is to be limited in order to illustrate rather than.By reading above-mentioned retouch
State, many embodiments and many applications outside the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not be determined with reference to foregoing description, but should with reference to appended claims and this
The four corner of the equivalent that a little claims are possessed is determined.It is for comprehensive purpose, all articles and special with reference to including
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part for subject matter.
Claims (12)
- The well 1. a kind of tubing pump is constructed, it is characterised in that including：Oil pipe；It is connected to the tubing pump under oil pipe；The tubing pump includes the pump barrel being connected with the oil pipe and in pump barrel Piston；Hollow rod in oil pipe, the sucker rod and oil pipe formation beam hanger annular space；The lower end of the sucker rod The piston is connected, to drive the piston movement；The sucker rod is provided with well-flushing mechanism close to the position of the tubing pump； Pressure of the well-flushing mechanism in the sucker rod is opened when being more than default active force, by the inside of the sucker rod with it is described Beam hanger annular space is connected；Pressure of the well-flushing mechanism in the sucker rod is closed when being less than the default active force, will be described The inside of sucker rod is not connected with the beam hanger annular space.
- The well 2. tubing pump as claimed in claim 1 is constructed, it is characterised in that：The well-flushing mechanism includes long along the sucker rod Spend the main body of direction extension, the runner in the main body；The runner is used for the inside of the sucker rod and the oil Burr sky connection；The closeouts that can be moved are provided with the main body；Pressure of the closeouts in the sucker rod does not block the runner when being more than the default active force；The closure Pressure of the part in the sucker rod blocks the runner when being less than or equal to the default active force.
- The well 3. tubing pump as claimed in claim 2 is constructed, it is characterised in that：The closeouts are located in the runner.
- The well 4. tubing pump as claimed in claim 3 is constructed, it is characterised in that：The moving direction of the closeouts and the beam hanger The pressure direction that annular space puts on the closeouts is vertical.
- The well 5. tubing pump as claimed in claim 4 is constructed, it is characterised in that：The moving direction of the closeouts and the main body Length direction it is parallel.
- The well 6. tubing pump as claimed in claim 5 is constructed, it is characterised in that：The main body is provided with and passed through along its length The axial passage worn and the radial passage for radially running through the wall of the main body；The radial passage leads to the axial direction Road is connected with the beam hanger annular space；The closeouts are provided with the axial passage；The axial passage is provided with valve seat in the top of the closeouts；It is located at The part axial passage above the closeouts forms the runner with the radial passage；The closeouts contact blocks the runner in the valve seat；The runner is opened when the closeouts are away from valve seat.
- The well 7. tubing pump as claimed in claim 6 is constructed, it is characterised in that：The closeouts are prolonged in the same direction with the main direction Stretch；It is also associated with pushing up firmware in the axial passage；Elastic component is provided between the top firmware and the closeouts；The envelope Blocking piece under the resilient force of the elastic component contact on the valve seat.
- 8. tubing pump construction well as claimed in claims 6 or 7, it is characterised in that：The side wall of the closeouts and the axial direction The wall laminating of passage.
- The well 9. tubing pump as claimed in claim 8 is constructed, it is characterised in that：The one of the confession closeouts contact of the valve seat Side is provided with inner conical surface；One end of valve seat described in the contact of the closeouts is provided with the male cone (strobilus masculinus) matched with the inner conical surface.
- The well 10. tubing pump as claimed in claim 7 is constructed, it is characterised in that：The elastic component is its pre-compressed state；The bullet Property part apply the default active force to the closeouts；The initial compression amount of the elastic component is adjustable.
- The well 11. tubing pump as claimed in claim 10 is constructed, it is characterised in that：The top firmware is threadedly connected to the axial direction In passage；The position of the top firmware is adjustable.
- The well 12. tubing pump as claimed in claim 11 is constructed, it is characterised in that：The elastic component is cylindrical spring；The envelope Blocking piece is provided with the groove stretched into for the part elastic component close to one end of the top firmware；The top firmware is clamp nut.
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| CN201710342911.6A CN107060667B (en) | 2017-05-16 | 2017-05-16 | Tubular pump construction well |
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| CN201710342911.6A CN107060667B (en) | 2017-05-16 | 2017-05-16 | Tubular pump construction well |
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| CN107060667A true CN107060667A (en) | 2017-08-18 |
| CN107060667B CN107060667B (en) | 2020-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119766A (en) * | 2020-01-17 | 2020-05-08 | 中国地质大学（北京） | Triple composite well washing device and method for geothermal well |
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| CN103924957A (en) * | 2013-01-13 | 2014-07-16 | 李世銮 | Oil well acidification negative pressure back-flowing and de-blocking technology |
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| AU1424383A (en) * | 1982-05-12 | 1983-11-17 | Towner, G.F. | Deep well pump rod |
| CN202560168U (en) * | 2012-05-23 | 2012-11-28 | 李国栋 | Hollow rod well flushing device for oil well |
| CN202926265U (en) * | 2012-12-17 | 2013-05-08 | 刘志刚 | Anti-pollution well-washing valve for wellbore of heavy oil well |
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| CN111119766A (en) * | 2020-01-17 | 2020-05-08 | 中国地质大学（北京） | Triple composite well washing device and method for geothermal well |
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| CN107060667B (en) | 2020-01-07 |
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