CN207554003U - A kind of dedicated jarring tool of drilling well - Google Patents
A kind of dedicated jarring tool of drilling well Download PDFInfo
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- CN207554003U CN207554003U CN201721653130.0U CN201721653130U CN207554003U CN 207554003 U CN207554003 U CN 207554003U CN 201721653130 U CN201721653130 U CN 201721653130U CN 207554003 U CN207554003 U CN 207554003U
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- seat
- backspin
- upper rotation
- rotation seat
- mandrel
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Abstract
The utility model discloses a kind of dedicated jarring tools of drilling well, including hollow mandrel, are arranged with spline spindle, upper rotation seat, backspin seat and lower contact outside hollow mandrel successively from left to right；Dished spring assembly is provided between the spline spindle and upper rotation seat, first gap is provided between the upper rotation seat and backspin seat；The upper rotation seat and the opposite face of backspin seat outwardly protrude to form cam surface, and cam surface is made of several cams along the upper rotation seat or the circle distribution of backspin seat, and the height that cam revolves seat axial direction on described is gradually reduced by one end to the other end；The backspin seat and lower contact are threadedly coupled, and one end end that backspin seat is connect with lower contact is provided with position limiting structure, Second gap is provided between position limiting structure and lower contact；The utility model has the characteristics that probability that is simple in structure and reducing bit freezing.
Description
Technical field
The utility model belongs to drilling technology field, and in particular to a kind of dedicated jarring tool of drilling well.
Background technology
In drillng operation, since geological structure is complicated, technical measures are improper and a variety of causes such as mud, tubing string, wellbore,
It occur frequently that the accident of bit freezing.Bit freezing is very big to drilling well work influence, and harm is also very deep, if dealt with improperly, when not only consuming
Between it is long, lose drill footage, and may deteriorate accident or even oil/gas well is caused to scrap.
Solve the problems, such as that above-mentioned bit freezing mainly using bumper jar, when progress Holes of Complicated Wells Drilling Design or predicts certain well at present
When bit freezing occurs for Duan Keneng, when drilling tool, which is met, to be blocked, given in drill assembly using drilling jar by drilling jar in advance
Consumingly jarring upward or downward is imposed at stuck point, loosens stuck point, so as to achieve the purpose that rapid unfreezing.
Bumper jar can just be used only when bit freezing and cannot reduce bit freezing odds.
Utility model content
The purpose of this utility model is that bit freezing is to carry out unfreezing by bumper jar not sent out from the basic bit freezing that solves at present
The problem of raw probability, the utility model provide a kind of dedicated jarring tool of drilling well.
The technical solution adopted in the utility model is as follows：
A kind of dedicated jarring tool of drilling well including hollow mandrel, is arranged with successively from left to right outside hollow mandrel
Spline spindle, upper rotation seat, backspin seat and lower contact；
Dished spring assembly is provided between the spline spindle and upper rotation seat, and the is provided between the upper rotation seat and backspin seat
One gap；
The upper rotation seat and the opposite face of backspin seat outwardly protrude to form cam surface, and cam surface is by several along the upper rotation
The cam of the circle distribution of seat or backspin seat is formed, cam revolved on described the height of seat axial direction by one end to the other end by
It is decrescence small；
The backspin seat and lower contact are threadedly coupled, and one end end that backspin seat is connect with lower contact is provided with limiting knot
Structure is provided with Second gap between position limiting structure and lower contact.
It further limits, is provided with protective case on the outside of the spline spindle, on the outside of upper rotation seat outside and backspin seat, protects
Set madial wall, which outwardly protrudes, is formed with shoulder, and the lateral surface of upper rotation seat outwardly protrudes to form fixture block, and fixture block is located at the left side of shoulder.
It further limits, clutch shaft bearing mechanism, the upper rotation seat and mandrel is provided between the spline spindle and mandrel
Between be provided with second bearing mechanism.
It further limits, the clutch shaft bearing mechanism includes along mandrel circumferencial direction and is set to the first of mandrel lateral wall
Inner sliding sleeve along spline spindle circumferencial direction and is set to the first outer sliding sleeve of spline spindle madial wall, the first outer sliding sleeve and first
Inner sliding sleeve is used in conjunction with each other.
It further limits, the second bearing mechanism includes along mandrel circumferencial direction and is set to the second of mandrel lateral wall
Inner sliding sleeve along upper rotation seat circumferencial direction and is set to upper second outer sliding sleeve for revolving seat madial wall, the second inner sliding sleeve and second
Outer sliding sleeve is used in conjunction with each other.
Further limit, the position limiting structure is made of a half and half clasp, a half and half clasp be mutually enclosed annulus and
One end that the backspin seat is connect with lower contact is set to, the annulus is coaxially disposed with the backspin seat, outside the annulus
Diameter is more than the internal diameter of the backspin seat.
Further limit, between the mandrel and spline spindle, between the protective case and spline spindle, the protective case
Sealing ring group is both provided between backspin seat.
It further limits, is provided with gasket group between the dished spring assembly and the spline spindle, gasket group is along the flower
The axial direction setting of bonded axis.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：
1. the utility model has the advantages of simple structure, drill bit is installed in jarring tool lower contact, utilizes external force band moving mandrel
Rotation, backspin seat dallies before drill bit is not in contact with working face, push after bit contact working face lower contact move straight up from
And backspin seat is pushed to move straight up, and the cam surface of the cam surface on backspin seat and upper rotation seat so that seat vibrations are above revolved,
Upper rotation seat drives entire mandrel high-frequency vibration, so as to which bit vibration be driven to realize high-efficient homework, reduces the probability of bit freezing.
2. on the outside of spline spindle, on rotation seat on the outside of and backspin seat on the outside of be provided with protective case, for spline to be protected to connect
Axis, upper rotation seat and backspin seat, avoid being damaged during drilling well, save drilling cost；Protective case madial wall outwardly protrudes
Shoulder is formed with, the lateral surface of upper rotation seat outwardly protrudes to form fixture block, and fixture block is located at the left side of shoulder, avoids rotation seat in disc spring
Transition slip is touched with backspin seated connection and is shaken under the promotion of component.
3. setting clutch shaft bearing mechanism is used to control the opposite displacement slided between spline spindle and mandrel, setting second
Bearning mechanism is used to control the displacement of rotation seat slip opposite with mandrel.
4. clutch shaft bearing mechanism and second bearing mechanism are disposed as the form that outer sliding sleeve and inner sliding sleeve cooperate, so as to
Change the relative displacement between relative displacement or upper rotation seat and the mandrel between control spline spindle and mandrel；Disc spring group is set
Part revolves seat so as to which the first outer sliding sleeve and the second outer sliding sleeve be driven to be slided with respect to the first inner sliding sleeve and the second inner sliding sleeve for pushing,
So as to fulfill the reset of upper rotation seat.
5. setting position limiting structure is used to limit the distance that lower contact is moved straight up.
Description of the drawings
The utility model will illustrate by example and with reference to the appended drawing：
Fig. 1 is the semi-cutaway of the utility model in axial direction；
Fig. 2 is the sectional view of A-A in Fig. 1；
Fig. 3 is the sectional view of B-B in Fig. 1；
Fig. 4 is the enlarged drawing in C regions in Fig. 1；
Fig. 5 is the enlarged drawing in D regions in Fig. 1；
Fig. 6 is the enlarged drawing in E regions in Fig. 1
Fig. 7 is the structure diagram of cam surface；
Wherein：1- mandrels；2- spline spindles；3- cam surfaces；31- cams；4- first gaps；5- dished spring assemblies；6- is protected
Set；Seat is revolved on 7-；71- fixture blocks；8- sealing ring groups；9- backspin seats；10- gasket groups；11- shoulders；12- position limiting structures；It is connect under 13-
Head；15 clutch shaft bearing mechanisms；The first inner sliding sleeves of 151-；The first outer sliding sleeves of 152-；16- second bearings mechanism；It is sliding in 161- second
Set；The second outer sliding sleeves of 162-.
Specific embodiment
All features or disclosed all methods disclosed in this specification or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.It elaborates below in conjunction with the accompanying drawings to the utility model.
Embodiment one
The technical solution of the present embodiment is：A kind of dedicated jarring tool of drilling well, including hollow mandrel 1, hollow core
It is arranged with spline spindle 2, upper rotation seat 7, backspin seat 9 and lower contact 13 outside axis 1 successively from left to right；
Dished spring assembly 5 is provided between the spline spindle 2 and upper rotation seat 7, is set between the upper rotation seat 7 and backspin seat 9
It is equipped with first gap 4；
The upper rotation seat 7 and the opposite face of backspin seat 9 outwardly protrude to form cam surface 3, and cam surface 3 is by several along described
The cam 31 of the circle distribution of upper rotation seat 7 or backspin seat 9 is formed, and cam 31 revolves the height of 7 axial direction of seat by one on described
The other end is held to be gradually reduced；
The backspin seat 9 and lower contact 13 are threadedly coupled, and one end end setting that backspin seat 9 is connect with lower contact 13 is limited
Bit architecture 12 is provided with Second gap between position limiting structure 12 and lower contact 13.
As shown in figs. 1-7, drill bit is installed in jarring tool lower contact 13, core is driven using external force (such as hydraulic motor)
Axis 1 rotates, before drill bit is not in contact with working face backspin seat 9 and lower contact 13 dally, push lower contact after bit contact working face
13 move so as to which backspin seat 9 be pushed to move straight up straight up, the cam surface of the cam surface 3 on backspin seat 9 and upper rotation seat 7
3 contacts so that above revolve seat 7 and shake, upper rotation seat 7 drives entire 1 high-frequency vibration of mandrel, makees so as to which bit vibration be driven to realize efficiently
Industry reduces the probability of bit freezing.
Cam 31 is being gradually reduced to increase cam surface 3 by one end to the other end along the upper height for revolving 7 axial direction of seat
Irregularity degree, form cam mechanism when the cam 31 on upper rotation seat 7 and opposite two faces of backspin seat 9 contacts so that
Upper rotation seat 7 shakes；Reset of the dished spring assembly 5 for upper rotation seat 7 is set.
Embodiment two
On the basis of embodiment one, the technical solution of the present embodiment is：2 outside of spline spindle, upper 7 outside of rotation seat
And 9 outside of backspin seat is provided with protective case 6,6 madial wall of protective case, which outwardly protrudes, is formed with shoulder 11, the outside of upper rotation seat 7
It faces out protrusion and forms fixture block 71, fixture block 71 is located at the left side of shoulder 11.
As shown in figs. 1-7, the outside of spline spindle 2, on 7 outside of rotation seat and 9 outside of backspin seat be provided with protective case 6,
For protecting spline spindle 2, upper rotation seat 7 and backspin seat 9, avoid being damaged during drilling well, save drilling cost；Protection
It covers 6 madial walls and outwardly protrudes and be formed with shoulder 11, the lateral surface of upper rotation seat 7 outwardly protrudes to form fixture block 71, and fixture block 71 is located at platform
The left side of shoulder 11 avoids the rotation transition slip under the promotion of dished spring assembly 5 of seat 7 from contacting and shake with backspin seat 9.
Embodiment three
On the basis of embodiment one, the technical solution of the present embodiment is：It is set between the spline spindle 2 and mandrel 1
There is clutch shaft bearing mechanism 15, second bearing mechanism 16 is provided between the upper rotation seat 7 and mandrel 1.
As shown in figs. 1-7, clutch shaft bearing mechanism 15 and second bearing mechanism 16 for control spline spindle 2 and mandrel 1 it
Between relative displacement or it is upper rotation seat 7 and mandrel 1 between relative displacement.
Example IV
On the basis of embodiment three, the technical solution of the present embodiment is：The clutch shaft bearing mechanism 15 is included along mandrel 1
Circumferencial direction and the first inner sliding sleeve 151 for being set to 1 lateral wall of mandrel along 2 circumferencial direction of spline spindle and are set to spline and connect
First outer sliding sleeve 152 of 2 madial wall of axis, the first outer sliding sleeve 152 and the first inner sliding sleeve 151 are used in conjunction with each other；Second axis
The second inner sliding sleeve 161 that mechanism 16 includes along 1 circumferencial direction of mandrel and is set to 1 lateral wall of mandrel is held, along 7 circumference side of upper rotation seat
To and be set to it is described it is upper rotation 7 madial wall of seat the second outer sliding sleeve 162,162 phase interworking of the second inner sliding sleeve 161 and the second outer sliding sleeve
It closes and uses.
As shown in figs. 1-7, dished spring assembly 5 or backspin seat 9 push rotation seat 7 so as to drive the first outer sliding sleeve 152 and second
Outer sliding sleeve 162 is slided with respect to the first inner sliding sleeve 151 and the second inner sliding sleeve 161, so as to the reset of rotation seat 7 in reality and is moved up, this knot
Structure is simple.
Embodiment six
On the basis of embodiment one, the technical solution of the present embodiment is：The position limiting structure 12 is by a half and half clasp group
Into a half and half clasp is mutually enclosed annulus and is set to one end that the backspin seat 9 is connect with lower contact 13, the annulus
It is coaxially disposed with the backspin seat 9, the outer diameter of the annulus is more than the internal diameter of the backspin seat 9.
As shown in figs. 1-7, setting position limiting structure 12 is used to limit the distance that lower contact 13 is moved straight up, position limiting structure
12 are made of a half and half clasp, are easily installed.
Embodiment seven
In embodiment one to six on the basis of any one, the technical solution of the present embodiment is：The mandrel 1 and spline connect
Sealing ring group 8 is both provided between axis 2, between the protective case 6 and spline spindle 2, between the protective case 6 and backspin seat 9；
Gasket group 10, axial direction of the gasket group 10 along the spline spindle 2 are provided between the dished spring assembly 5 and the spline spindle 2
Direction is set.
As shown in figs. 1-7, sealing ring group 8 avoids oil leakage and external impurity for the sealing between each component
Into；Gasket group 10 is used to alleviate the pressure being subject between each component and corrosion and alleviates expanding with heat and contract with cold for each pipe fitting.
Claims (8)
1. a kind of dedicated jarring tool of drilling well, which is characterized in that including hollow mandrel (1), hollow mandrel (1) is outside from a left side
It is arranged with spline spindle (2), upper rotation seat (7), backspin seat (9) and lower contact (13) successively to the right side；
Dished spring assembly (5), the upper rotation seat (7) and backspin seat (9) are provided between the spline spindle (2) and upper rotation seat (7)
Between be provided with first gap (4)；
The upper rotation seat (7) and the opposite face of backspin seat (9) outwardly protrude to form cam surface (3), and cam surface (3) is by several edges
The cam (31) of the circle distribution of the upper rotation seat (7) or backspin seat (9) is formed, and it is axial that cam (31) revolves seat (7) on described
The height in direction is gradually reduced by one end to the other end；
The backspin seat (9) and lower contact (13) are threadedly coupled, one end end setting that backspin seat (9) is connect with lower contact (13)
There is position limiting structure (12), Second gap is provided between position limiting structure (12) and lower contact (13).
2. the dedicated jarring tool of a kind of drilling well according to claim 1, which is characterized in that the spline spindle (2) is outside
Protective case (6) is provided on the outside of side, upper rotation seat (7) and on the outside of backspin seat (9), protective case (6) madial wall outwardly protrudes to be formed
There is shoulder (11), the lateral surface of upper rotation seat (7) outwardly protrudes to form fixture block (71), and fixture block (71) is positioned at the left side of shoulder (11).
3. a kind of dedicated jarring tool of drilling well according to claim 1, which is characterized in that the spline spindle (2) with
Clutch shaft bearing mechanism (15) is provided between mandrel (1), second bearing machine is provided between the upper rotation seat (7) and mandrel (1)
Structure (16).
A kind of 4. dedicated jarring tool of drilling well according to claim 3, which is characterized in that the clutch shaft bearing mechanism
(15) including along mandrel (1) circumferencial direction and being set to first inner sliding sleeve (151) of mandrel (1) lateral wall, along spline spindle (2)
Circumferencial direction and the first outer sliding sleeve (152) for being set to spline spindle (2) madial wall are sliding in the first outer sliding sleeve (152) and first
Set (151) is used in conjunction with each other.
A kind of 5. dedicated jarring tool of drilling well according to claim 3, which is characterized in that the second bearing mechanism
(16) including along mandrel (1) circumferencial direction and being set to second inner sliding sleeve (161) of mandrel (1) lateral wall, along upper rotation seat (7) circle
Circumferential direction and the second outer sliding sleeve (162) for being set to described upper rotation seat (7) madial wall, the second inner sliding sleeve (161) and second are slided outside
Set (162) is used in conjunction with each other.
6. a kind of dedicated jarring tool of drilling well according to claim 1, which is characterized in that the position limiting structure (12) by
One half and half clasp forms, and a half and half clasp is mutually enclosed annulus and is set to the backspin seat (9) to be connected with lower contact (13)
The one end connect, the annulus are coaxially disposed with the backspin seat (9), and the outer diameter of the annulus is more than the interior of the backspin seat (9)
Diameter.
7. the dedicated jarring tool of a kind of drilling well according to claim 2, which is characterized in that the mandrel (1) and spline
It is respectively provided between spindle (2), between the protective case (6) and spline spindle (2), between the protective case (6) and backspin seat (9)
There is sealing ring group (8).
8. a kind of dedicated jarring tool of drilling well according to claim 7, which is characterized in that the dished spring assembly (5) with
Gasket group (10) is provided between the spline spindle (2), gasket group (10) is set along the axial direction of the spline spindle (2)
It puts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653130.0U CN207554003U (en) | 2017-12-01 | 2017-12-01 | A kind of dedicated jarring tool of drilling well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653130.0U CN207554003U (en) | 2017-12-01 | 2017-12-01 | A kind of dedicated jarring tool of drilling well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554003U true CN207554003U (en) | 2018-06-29 |
Family
ID=62677145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721653130.0U Active CN207554003U (en) | 2017-12-01 | 2017-12-01 | A kind of dedicated jarring tool of drilling well |
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| CN (1) | CN207554003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279694A (en) * | 2021-06-15 | 2021-08-20 | 成都高峰石油机械有限公司 | Ultrashort bidirectional full-hydraulic drilling jar |
-
2017
- 2017-12-01 CN CN201721653130.0U patent/CN207554003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279694A (en) * | 2021-06-15 | 2021-08-20 | 成都高峰石油机械有限公司 | Ultrashort bidirectional full-hydraulic drilling jar |
| CN113279694B (en) * | 2021-06-15 | 2022-05-20 | 成都高峰石油机械有限公司 | Ultrashort two-way full-hydraulic drilling jar |
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