CN206801489U - Adjustable drilling well friction prevention device - Google Patents
Adjustable drilling well friction prevention device Download PDFInfo
- Publication number
- CN206801489U CN206801489U CN201720604498.1U CN201720604498U CN206801489U CN 206801489 U CN206801489 U CN 206801489U CN 201720604498 U CN201720604498 U CN 201720604498U CN 206801489 U CN206801489 U CN 206801489U
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- CN
- China
- Prior art keywords
- abrasionproof
- spacing ring
- guide pillar
- annulus
- connection guide
- 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.)
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Abstract
A kind of adjustable drilling well friction prevention device, including some abrasionproof units, the abrasionproof unit includes the first spacing ring, the second spacing ring, spring, abrasionproof annulus, the first connection guide pillar and the second connection guide pillar, the abrasionproof annulus connects the first spacing ring and the second spacing ring respectively, the spring is connected with sucker rod and abrasionproof annulus respectively, the first connection guide pillar sequentially passes through the first spacing ring, abrasionproof annulus and the second spacing ring from top to bottom, and the second connection guide pillar sequentially passes through the first spacing ring, abrasionproof annulus and the second spacing ring from top to bottom.The utility model can be effectively spacing to sucker rod progress, allows sucker rod not contacted directly with oil pick-up tube, a mechanical energy part is converted into the elastic potential energy of spring, be advantageous to reduce the abrasion to friction prevention device material, advantageously reduce production cost；The utility model can adjust the quantity and height of abrasionproof unit according to drilling depth, be advantageous to improve the anti-wear performance and shock-absorbing capacity of drilling well friction prevention device.
Description
Technical field
It the utility model is related to mechanical oil recovery production field, more particularly to a kind of adjustable drilling well friction prevention device.
Background technology
In drilling process, drilling well friction prevention device plays righting drilling tool, prevents drill string from producing friction in sleeve pipe internal rotation and damaging
The effect of bad sleeve pipe.In petroleum operations, oil production machine by sucker rod pump by oil extraction come.Due to taking out
The length of oil pipe is very long, when oil well reaches the depth of several kms, sucker rod up and down motion in can produce buckling phenomenon, and take out
Beam hanger can be swung in moving in oil pick-up tube, and this will cause sucker rod to produce friction with oil pick-up tube, while sucker rod is that have a lot
Root beam hanger is formed by connecting, and box cupling also can produce friction with oil pick-up tube, cause the damage of oil pick-up tube and sucker rod.
The problem of shorter service life, quick abrasion be present in existing friction prevention device, can not according to needs of production come pair
The distance between the position of drilling well friction prevention device and adjacent drilling well friction prevention device are adjusted, and limit function is bad.
The content of the invention
To solve the above problems, the utility model discloses a kind of drilling well friction prevention device.
In order to reach object above, the utility model provides following technical scheme：
A kind of adjustable drilling well friction prevention device, including some abrasionproof units, the abrasionproof unit include the first spacing ring, second
Spacing ring, spring, abrasionproof annulus, the first connection guide pillar and the second connection guide pillar, it is spacing that the abrasionproof annulus connects first respectively
Ring and the second spacing ring, the spring are connected with sucker rod and abrasionproof annulus respectively, it is described first connection guide pillar from top to bottom according to
Secondary to pass through the first spacing ring, abrasionproof annulus and the second spacing ring, the second connection guide pillar sequentially passes through the first limit from top to bottom
Position ring, abrasionproof annulus and the second spacing ring, the first connection guide pillar is fixedly linked with the first spacing ring by bolt one, described
First connection guide pillar is fixedly linked with the second spacing ring by bolt two, and the second connection guide pillar and the first spacing ring pass through spiral shell
Bolt three is fixedly linked, and the second connection guide pillar is fixedly linked with the second spacing ring by bolt four.
Preferably, the quantity of the spring is that the adjacent angle of the spring is the institute no more than 25 ° more than or equal to 15
State the cavity that spring, sucker rod, abrasionproof annulus surround and be used for liquid communication.
Preferably, first spacing ring is annular or hollow, rectangular frame, second spacing ring be annular or in
Empty rectangle frame, the outward flange of first spacing ring are projected in abrasionproof annulus, and the outward flange of second spacing ring is projected in
In abrasionproof annulus.
Preferably, one layer of annular rubber pad is set outside the abrasionproof annulus.
Preferably, the bolt one and first sets sealing ring one between connecting guide pillar, and the bolt two is connected with first
Sealing ring two is set between guide pillar, and the bolt three and second, which connects, sets sealing ring three between guide pillar, the bolt four and the
Sealing ring four is set between two connection guide pillars.
Preferably, the abrasionproof annulus is made up of polytetrafluoroethylmaterial material.
Preferably, the cross section of the first connection guide pillar connects the transversal of guide pillar for circular, ellipse or rectangle, second
Face is circular, ellipse or rectangle.
The beneficial effects of the utility model：The utility model can be effectively spacing to sucker rod progress, allows sucker rod not
Directly contacted with oil pick-up tube, a mechanical energy part is converted into the elastic potential energy of spring, be advantageous to reduce to friction prevention device material
Abrasion, advantageously reduces production cost；The utility model can adjust the quantity and height of abrasionproof unit according to drilling depth, favorably
In the anti-wear performance and shock-absorbing capacity that improve drilling well friction prevention device；The utility model structure is novel, and anti-wear performance is good, can be effectively
Mitigate eccentric wear, be advantageous to ensure the unimpeded of liquid, be advantageous to extend pump detection period, be advantageous to increase economic efficiency.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is the partial enlarged drawing at A of the present utility model.
Fig. 3 is top view of the present utility model.
Reference numerals list：1st, abrasionproof unit；2nd, the first spacing ring；3rd, the second spacing ring；4th, spring；5th, abrasionproof annulus；
6th, the first connection guide pillar；7th, the second connection guide pillar；8th, sucker rod；9th, bolt one；10th, bolt two；11st, bolt three；12nd, bolt
Four；13rd, rubber blanket.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that make below in description
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer to respectively
Be directed towards or the direction away from particular elements geometric centers.
A kind of adjustable drilling well friction prevention device, including some abrasionproof units 1, abrasionproof unit 1 include the first spacing ring 2, second
Spacing ring 3, spring 4, abrasionproof annulus 5, first connects the connection guide pillar 7 of guide pillar 6 and second made of polytetrafluoroethylmaterial material, the
The cross section of one connection guide pillar 6 is circular, ellipse or rectangle, and the cross section of the second connection guide pillar 7 is circular, ellipse or square
Shape, abrasionproof annulus 5 connect the first spacing ring 2 and the second spacing ring 3 respectively, spring 4 respectively with sucker rod 8 and the phase of abrasionproof annulus 5
Even, the first connection guide pillar 6 sequentially passes through the first spacing ring 2, the spacing ring 3 of abrasionproof annulus 5 and second from top to bottom, and the second connection is led
Post 3 sequentially passes through the first spacing ring 2, the spacing ring 3 of abrasionproof annulus 5 and second from top to bottom, the first connection guide pillar 6 and first spacing
Ring 2 is fixedly linked by bolt 1, and the first connection guide pillar 6 is fixedly linked with the second spacing ring 3 by bolt 2 10, and second connects
Connect guide pillar 7 to be fixedly linked by bolt 3 11 with the first spacing ring 2, the second connection spacing ring 3 of guide pillar 7 and second passes through bolt four
12 are fixedly linked.
The quantity of spring 4 is more than or equal to 15, and the adjacent angle of spring 4 is no more than 25 °, spring 4, sucker rod 8, is prevented
The cavity that rounding ring 5 surrounds is used for liquid communication, and spring 4 can be effectively spacing to sucker rod progress, allows sucker rod not with taking out
Oil pipe directly contacts.First spacing ring 2 is annular or hollow, rectangular frame, and the second spacing ring 3 is annular or hollow, rectangular frame,
The outward flange of first spacing ring 2 is projected in abrasionproof annulus, and the outward flange of the second spacing ring 3 is projected in abrasionproof annulus.Abrasionproof
One layer of annular rubber pad 13 is set outside annulus 5, a mechanical energy part is converted into the elastic potential energy of spring, is advantageous to reduction pair
The abrasion of friction prevention device material, advantageously reduces production cost.Bolt one 9 and first sets sealing ring one, spiral shell between connecting guide pillar 6
Bolt 2 10 and first sets sealing ring two, bolt 3 11 and second to set sealing ring between connecting guide pillar 7 between connecting guide pillar 6
Three, bolt 4 12 and second sets sealing ring four between connecting guide pillar 7.
In the present embodiment, the quantity and height of abrasionproof unit can be adjusted according to drilling depth, is advantageous to improve drilling well abrasionproof
The anti-wear performance and shock-absorbing capacity of device；Adjustable drilling well friction prevention device structure of the present utility model is novel, and anti-wear performance is good, Neng Gouyou
Effect ground mitigates eccentric wear, is advantageous to ensure the unimpeded of liquid, is advantageous to extend pump detection period, is advantageous to increase economic efficiency.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined formed technical scheme by above technical characteristic.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (7)
- A kind of 1. adjustable drilling well friction prevention device, it is characterised in that：Including some abrasionproof units, the abrasionproof unit includes the first limit Position ring, the second spacing ring, spring, abrasionproof annulus, the first connection guide pillar and the second connection guide pillar, the abrasionproof annulus connect respectively First spacing ring and the second spacing ring, the spring are connected with sucker rod and abrasionproof annulus respectively, and the first connection guide pillar is certainly The first spacing ring, abrasionproof annulus and the second spacing ring are sequentially passed through under above, the second connection guide pillar is worn successively from top to bottom The first spacing ring, abrasionproof annulus and the second spacing ring are crossed, the first connection guide pillar is fixed with the first spacing ring by bolt one It is connected, the first connection guide pillar is fixedly linked with the second spacing ring by bolt two, the second connection guide pillar and the first limit Position ring is fixedly linked by bolt three, and the second connection guide pillar is fixedly linked with the second spacing ring by bolt four.
- 2. adjustable drilling well friction prevention device as claimed in claim 1, it is characterised in that：The quantity of the spring is more than or equal to 15 Root, the adjacent angle of the spring are that the cavity that the spring, sucker rod, abrasionproof annulus surround is used for liquid flow no more than 25 ° It is logical.
- 3. adjustable drilling well friction prevention device as claimed in claim 1, it is characterised in that：First spacing ring be annular or in Empty rectangle frame, second spacing ring are annular or hollow, rectangular frame, and the outward flange of first spacing ring is projected in abrasionproof In annulus, the outward flange of second spacing ring is projected in abrasionproof annulus.
- 4. adjustable drilling well friction prevention device as claimed in claim 1, it is characterised in that：One layer of annulus is set outside the abrasionproof annulus Shape rubber blanket.
- 5. adjustable drilling well friction prevention device as claimed in claim 1, it is characterised in that：The bolt one with first be connected guide pillar it Between set sealing ring one, the bolt two and first that sealing ring two is set between connecting guide pillar, the bolt three is connected with second Set sealing ring three, the bolt four and second that sealing ring four is set between connecting guide pillar between guide pillar.
- 6. adjustable drilling well friction prevention device as claimed in claim 1, it is characterised in that：The abrasionproof annulus is by polytetrafluoroethylene (PTFE) material Material is made.
- 7. adjustable drilling well friction prevention device as claimed in claim 1, it is characterised in that：The cross section of the first connection guide pillar is Circular, ellipse or rectangle, the cross section of the second connection guide pillar is circular, ellipse or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604498.1U CN206801489U (en) | 2017-05-27 | 2017-05-27 | Adjustable drilling well friction prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604498.1U CN206801489U (en) | 2017-05-27 | 2017-05-27 | Adjustable drilling well friction prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801489U true CN206801489U (en) | 2017-12-26 |
Family
ID=60743122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720604498.1U Expired - Fee Related CN206801489U (en) | 2017-05-27 | 2017-05-27 | Adjustable drilling well friction prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801489U (en) |
-
2017
- 2017-05-27 CN CN201720604498.1U patent/CN206801489U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180527 |