CN206397723U - The wear-resisting soft sealing oil pump plunger of sand control - Google Patents
The wear-resisting soft sealing oil pump plunger of sand control Download PDFInfo
- Publication number
- CN206397723U CN206397723U CN201720068660.2U CN201720068660U CN206397723U CN 206397723 U CN206397723 U CN 206397723U CN 201720068660 U CN201720068660 U CN 201720068660U CN 206397723 U CN206397723 U CN 206397723U
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- CN
- China
- Prior art keywords
- ring
- wear
- mandrel
- leather cup
- soft seal
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of wear-resisting soft sealing oil pump plunger of sand control, including top valve bonnet, upward-traveling valves, upper binding head, upper wear ring, mandrel, lower union joint, plunger closed cage, lower travelling valve, the bearing pipe close being sequentially connected, it is characterised in that：The soft seal leather cup of the coaxial one group of opening upwards that is installed in series on the mandrel, support ring is installed on the mandrel on the soft seal leather cup top of topmost, guide ring is installed on the mandrel above upper support ring, support ring under being installed on the mandrel of foot soft seal leather cup bottom, installed on the mandrel of lower support ring bottom and be mounted on intermediate supports ring between lower guide ring, each soft seal leather cup.The utility model scientific structure design rationally, can effectively prevent holddown accident in height contains sand, easy fouling, high-content wax, heavy oil wells, extend pump detection period, reduce maintenance maintenance cost, be a kind of Novel plunger assembly with high application value.
Description
Technical field
The utility model extracting device of oil field, particularly a kind of wear-resisting soft sealing oil pump plunger of sand control.
Background technology
Oil well pump is a kind of plant equipment that oil is given rise to ground by underground, and it is widely used in oil exploitation row
Industry, usage amount accounts for overall more than 90% of mechanical oil recovery device.Existing plunger oil-well pump is main by pump barrel, metal plunger
And one group of pump valve is constituted, pump valve includes the travelling valve and the standing valve installed in pump barrel bottom being arranged on plunger.Metal plunger
The sucker rod connection of upper end and external equipment, sucker rod drives metal plunger to pump, by forming hard close with pump barrel
The keying of envelope and mobile valve and standing valve completes Pumping action.Existing oil well pump is after operation a period of time, pump barrel and metal column
The phenomenons such as product sand, fouling, wax deposition are easily produced between plug gap, cause the plunger sand card in oil well；Moreover, the descending friction of plunger
Resistance is big, easily causes rod string bending and breaks de-, directly affects the normal work of oil well pump, increase maintenance maintenance cost.
Utility model content
The purpose of this utility model is to overcome the shortcomings of that existing process technology is pumped there is provided a kind of wear-resisting soft seal of sand control
Pump plunger, it can effectively prevent holddown, extend maintenance period.
The utility model solves its technical problem and takes following technical scheme to realize：
A kind of wear-resisting soft sealing oil pump plunger of sand control, including be sequentially connected top valve bonnet, upward-traveling valves, upper connection
Head, upper wear ring, mandrel, lower union joint, plunger closed cage, lower travelling valve, bearing pipe close, it is characterised in that：In the core
The soft seal leather cup of the coaxial one group of opening upwards that is installed in series, is installed on the mandrel on the soft seal leather cup top of topmost on axle
Upper support ring, guide ring is installed on the mandrel above upper support ring, is pacified on the mandrel of foot soft seal leather cup bottom
Load to install on support ring, the mandrel of lower support ring bottom and be mounted on intermediate supports between lower guide ring, each soft seal leather cup
Ring.
Moreover, the upper guide ring and lower guide ring are annular shape, angle is axially provided with, rectangular cross-section or be lip
Side, upper guide ring and lower guide ring are carbon stainless steel or hard alloy material.
Moreover, the opening end of the soft seal leather cup is lip side.
Moreover, the axially lower part of the upper supporting ring and each intermediate supports ring is formed with and is nested in inside soft seal leather cup
The axial top of positioning spigot, upper supporting ring and each intermediate supports ring is formed with guide section, and the guide section upper surface is formed with back taper
Shape step, the lower surface of the guide sleeve is formed with back taper bottom surface.
Moreover, the outer wall of the upper binding head is provided with wear ring, the outer wall of the lower union joint is provided with down wear-resisting
Ring, the upper wear ring and lower wear ring are made of high carbon stainless steel or Hardmetal materials.
Advantage of the present utility model and good effect are：
1st, the wear-resisting soft sealing oil pump plunger of this sand control, the installation of soft seal leather cup is installed using cascaded structure, by fixed
Position support ring realizes quick location and installation, and is easy to the maintenance of soft seal leather cup after operation to change, so as to overcome integral post
The disposable shortcoming of plug, is greatly lowered cost.
2nd, the anti-of annular shape is mounted on the wear-resisting soft sealing oil pump plunger of this sand control, its upper binding head and lower union joint
Sand wear ring, is axially provided with angle, rectangular cross-section or lip, is made using carbon stainless steel or hard alloy material, by it
Elastic force is close to pump barrel inwall, and the sand grains and dirt for being deposited on pump barrel inwall are struck off in plunger up-downgoing, prevents from entering pump barrel
With plunger gap wear leather cup.
3rd, the wear-resisting soft sealing oil pump plunger of this sand control is soft using using sealing is realized between soft seal leather cup and pump barrel
The opening end of sealing cup is lip side structure, and in upstroke, pump barrel inwall is close in lip side by head of liquid spreading, suction
Power is big, and wastage is zero, and pump efficiency is high；Lip side loses head of liquid and automatic micro in down stroke, reduces the descending friction of plunger
Resistance and roofbolt bending；Leather cup abrasion after lip can spreading automatic compensation gap, keep zero wastage, remain high pump efficiency,
The drawbacks of easily producing product sand, fouling, wax deposition in the past is overcome, plunger sand card is prevented effectively from, extends the time between overhauls(TBO), it is ensured that oil pumping
Pump long-time normal work.
4th, the axially lower part of the wear-resisting soft sealing oil pump plunger of this sand control, its upper supporting ring and intermediate supports ring is formed with nesting
Positioning spigot inside soft seal leather cup, the position for positioning next stage soft seal leather cup；The axial direction of the positioning support ring
Top is formed with the guide section for adding big outer diameter section, auxiliary positioning and guiding for soft seal leather cup；In the guide section upper surface system
There is back taper step, for the bottom matching and sealing with upper level soft seal leather cup；The lower surface of the guide section is formed with back taper
Preset clearance is formed between the inside of shape bottom surface, the back taper bottom surface and next stage soft seal leather cup, for storage part sub-sand grain
With the well liquid for expanding leather cup.
5th, the wear-resisting soft sealing oil pump plunger of this sand control, the soft seal leather cup of topmost and the soft seal leather cup peace of foot
Equipped with upper guide ring and lower guide ring, the sealing of the guiding moved back and forth for assembly for plunger and upper and lower end face.
6th, the wear-resisting soft sealing oil pump plunger of this sand control, can apply to tubing pump, insert pump, Special subsurface pump.
7th, the utility model scientific structure design rationally, can effectively be prevented in height contains sand, easy fouling, high-content wax, heavy oil wells
Only holddown accident, extends pump detection period, reduces maintenance maintenance cost, is a kind of Novel plunger with high application value
Assembly.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model (semi-cutaway).
Brief description of the drawings
1- tops valve bonnet, 2- upward-traveling valves ball, 3- upward-traveling valves seat, 4- upper binding heads, the upper wear rings of 5-, it is oriented on 6-
Guide ring, 13- lock under support ring, 12- under the upper support ring of ring, 7-, 8- soft seals leather cup, 9- intermediate supports ring, 10- mandrels, 11-
Wear ring under tight nut, 14- lower union joints, 15-, 16- plungers closed cage, 17- lower travelling valves ball, 18- lower travelling valves seat,
19- bearing pipe closes.
Embodiment
The utility model embodiment is further described below in conjunction with accompanying drawing.It should be noted that the present embodiment is to chat
The property stated, be not limited, it is impossible to limit protection domain of the present utility model with this.
A kind of wear-resisting soft sealing oil pump plunger of sand control, including be sequentially connected top valve bonnet 1, upward-traveling valves, upper connection
First 4, upper wear ring 5, mandrel 10, lower union joint 14, plunger closed cage 16, lower travelling valve, bearing pipe close 19, upward-traveling valves by
Upward-traveling valves ball 2 and upward-traveling valves seat 3 are constituted.Lower travelling valve is made up of lower travelling valve ball 17 and lower travelling valve seat 18.It is innovated
Part is：The soft seal leather cup 8 of the coaxial one group of opening upwards that is installed in series on mandrel, on the soft seal leather cup of topmost
Support ring 7 is installed on the mandrel in portion, guide ring 6 is installed on the mandrel above upper support ring, in foot soft seal skin
Installed on the mandrel of lower part of bowl and lower guide ring 12, each soft seal leather cup are installed on lower support ring 11, the mandrel of lower support ring bottom
Between be mounted on intermediate supports ring 9.Locking nut is fixedly mounted on the mandrel of lower guide ring bottom.
The opening end of soft seal leather cup is lip side.Soft seal leather cup needs to install 3-6 according to installation.Soft seal leather cup
It is made, its coefficient of friction is low, heat-resisting, corrosion-resistant, high temperature resistant, is fitted of rubber composite or polymer composite material
It is wide with hole condition scope.The quantity of soft seal leather cup, material, hardness can be according to the conditions such as the depth and pump setting depth of oil well, hole condition
Design.
The location and installation of soft seal leather cup is realized by support ring.The axially lower part of upper supporting ring and each intermediate supports ring is equal
It is formed with the positioning spigot being nested in inside soft seal leather cup, the axial top of upper supporting ring and each intermediate supports ring is formed with guiding
Section, the guide section upper surface is formed with back taper step, for the bottom matching with upper level soft seal leather cup.Under the guide sleeve
End face is formed with back taper bottom surface.Preset clearance is formed between the back taper bottom surface and the inside of next stage soft seal leather cup, is used for
Storage part sub-sand grain and the well liquid for expanding leather cup.
Upper guide ring and lower guide ring are annular shape, are axially provided with angle, rectangular cross-section or be lip side, upper guiding
Ring and lower guide ring are carbon stainless steel or hard alloy material.The outer wall of upper binding head is provided with wear ring 5, lower union joint
Outer wall lower wear ring 15 is installed, upper wear ring and lower wear ring are made of high carbon stainless steel or Hardmetal materials.
The wear-resisting soft sealing oil pump plunger of this sand control can effectively prevent plunger sand card, so as to extend the time between overhauls(TBO), it is ensured that take out
Oil pump long-time normal work.
Although disclosing embodiment of the present utility model and accompanying drawing for the purpose of illustration, those skilled in the art can be with
Understand：Do not departing from the utility model and spirit and scope of the appended claims, it is various replace, change and modifications all be can
Can, therefore, scope of the present utility model is not limited to embodiment and accompanying drawing disclosure of that.
Claims (5)
1. a kind of wear-resisting soft sealing oil pump plunger of sand control, including be sequentially connected top valve bonnet, upward-traveling valves, upper binding head,
Upper wear ring, mandrel, lower union joint, plunger closed cage, lower travelling valve, bearing pipe close, it is characterised in that：On the mandrel
The soft seal leather cup of the coaxial one group of opening upwards that is installed in series, branch is installed on the mandrel on the soft seal leather cup top of topmost
Pushing out ring, guide ring is installed on the mandrel above upper support ring, under being installed on the mandrel of foot soft seal leather cup bottom
Installed on support ring, the mandrel of lower support ring bottom and be mounted on intermediate supports ring between lower guide ring, each soft seal leather cup.
2. the wear-resisting soft sealing oil pump plunger of sand control according to claim 1, it is characterised in that：The upper guide ring and under
Guide ring is annular shape, is axially provided with angle, rectangular cross-section or be lip side, upper guide ring and lower guide ring be carbon not
Rust steel or hard alloy material.
3. the wear-resisting soft sealing oil pump plunger of sand control according to claim 1, it is characterised in that：The soft seal leather cup
Opening end is lip side.
4. the wear-resisting soft sealing oil pump plunger of sand control according to claim 1, it is characterised in that：The upper supporting ring and each
The axially lower part of intermediate supports ring is formed with the positioning spigot being nested in inside soft seal leather cup, upper supporting ring and each intermediate supports
The axial top of ring is formed with guide section, and the guide section upper surface is formed with back taper step, and the lower surface of the guide sleeve is formed with down
Taper bottom surface.
5. the wear-resisting soft sealing oil pump plunger of sand control according to claim 1, it is characterised in that：Outside the upper binding head
Wall is provided with wear ring, and the outer wall of the lower union joint is provided with lower wear ring, and the upper wear ring and lower wear ring are used
High carbon stainless steel or Hardmetal materials are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068660.2U CN206397723U (en) | 2017-01-20 | 2017-01-20 | The wear-resisting soft sealing oil pump plunger of sand control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068660.2U CN206397723U (en) | 2017-01-20 | 2017-01-20 | The wear-resisting soft sealing oil pump plunger of sand control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206397723U true CN206397723U (en) | 2017-08-11 |
Family
ID=59519876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720068660.2U Expired - Fee Related CN206397723U (en) | 2017-01-20 | 2017-01-20 | The wear-resisting soft sealing oil pump plunger of sand control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206397723U (en) |
-
2017
- 2017-01-20 CN CN201720068660.2U patent/CN206397723U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20180120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |