CN106988700B - A kind of high frequency week pendulum releasing tool - Google Patents
A kind of high frequency week pendulum releasing tool Download PDFInfo
- Publication number
- CN106988700B CN106988700B CN201710230523.9A CN201710230523A CN106988700B CN 106988700 B CN106988700 B CN 106988700B CN 201710230523 A CN201710230523 A CN 201710230523A CN 106988700 B CN106988700 B CN 106988700B
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- rotary shaft
- inner cavity
- transmission shaft
- outer circle
- spline
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 241000251468 Actinopterygii Species 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a kind of high frequency weeks of fishing in oil and gas industry to put releasing tool.It solves the problems, such as that axial blows tool effectively can not complete fishing by unfreezing fish.Its technical solution is: top connection upper end and top fishing string screwed connection, output cylinder lower end and lower part fishing tool screwed connection；Turbine assembly is inserted in rotary shaft upper step axis；Rotary shaft outer circle lower part is inserted in transmission shaft inner cavity, and eight trundles are sequentially arranged in the middle part of rotary shaft outer circle in the cavity of eight pin grooves and the eight pin sliding slots in transmission shaft inner cavity top composition；Two steel balls are respectively implanted in the middle part of connecting cylinder in two threaded holes；Output tube inner chamber top mother's spline is inserted in the male spline in transmission shaft outer circle lower part, and bearing c is mounted in the middle part of output tube inner chamber in raised step；It is anti-to cap off and the screwed connection of rotary shaft lower end.Circumferential high-frequency reciprocating unfreezing may be implemented in the present invention, effectively realizes the operation of fish unfreezing fishing；It is controlled using mud flow rate, operation is simple and reliable.
Description
Technical field
The present invention relates to a kind of high frequency weeks of fishing in oil and gas industry to put releasing tool.
Background technique
In oil and gas industry, various down-hole accidents can occur in oil gas well drilling and development process, bore
The accident that situations such as column, tubing string fracture causes fish to fall shaft bottom happens occasionally, and such fish trouble once occurs, and just must
Fishing must be carried out to fish.Serious fish trouble occurs, if cannot salvage in time, may cause oil/gas well when serious
It scraps, causes huge economic loss, in some special circumstances, underground fish cannot be salvaged in time it is also possible to causing safety
The generation of accident, therefore safely and effectively carry out fishing and have great importance.
The common tool of fishing has fishing lance, dipper etc., and using fishing lance, dipper engagement with the fish, it is complete above to mention fishing string
At fishing.However, the drill string and oil pipe that are broken in many cases, can be stuck in underground, at this moment fishing string has above been mentioned
It can not be successfully carry out fishing, at this moment need to cooperate fishing tool to carry out fishing using bumper jar.Bumper jar type compared with
It is more, usually mainly there are mechanical, fluid pressure type and three kinds of mechanical liquid type according to structure type, the working principle of existing bumper jar is mostly benefit
Axial blows power is generated with mechanical energy or hydraulic energy to act on fish, is fish unfreezing.However the form that fish card buries is more
Kind of multiplicity, the modes of many axial blows can not effective unfreezing, and the mode of circumferential high-frequency reciprocating unfreezing is similar to and uses spanner
The screw of corrosion is back and forth unscrewed, there is good unfreezing effect, and current releasing tool there is no with circumferential high-frequency reciprocating solution
The function of card.
Based on above-mentioned technical background, the present invention provides a kind of high frequency weeks to put releasing tool, using circumferential high-frequency reciprocating solution
The mode of card allows fish unfreezing.
Summary of the invention
The purpose of the present invention is: effectively asking for fishing can not be completed by unfreezing fish to solve axial blows tool
Topic provides a kind of high frequency week pendulum releasing tool.
It in order to achieve the above object, the invention adopts the following technical scheme: a kind of high frequency week puts releasing tool, is connect from above
Head fastens cap, turbine assembly, power shell, bearing a, rotary shaft, trundle, steel ball, nut, connecting cylinder, bearing b, transmission
Axis, output cylinder, bearing c and anti-cap off composition；Its structure feature is: top connection upper end and top fishing string screwed connection, defeated
Cylinder lower end and lower part fishing tool screwed connection out；Rotary shaft upper end is set as male thread, and rotary shaft top is set as Step Shaft,
It is circumferential below rotary shaft upper step axis to be uniformly arranged three inclined hole connection interior or exterior spaces, setting one below three inclined holes of rotary shaft
Raised step is enclosed, is circumferentially uniformly arranged eight pin grooves in the middle part of rotary shaft outer circle, rotary shaft lower end outer circle is set as male thread；Whirlpool
Wheel assembly is made of turbine stator and turbine rotor, and turbine assembly is inserted in rotary shaft upper step axis；It fastens in cap and rotary shaft
Screwed connection is held, the step end face for fastening cap and rotary shaft upper step axis compresses turbine rotor；It is set in the middle part of power housing cavity
A step surface, one circle raised step of power housing cavity lower part setting are set, bearing a is mounted on power housing cavity lower lobes platform
On rank；Turbine assembly and rotary shaft are integrally placed in power housing cavity, top connection lower end and the upper end screwed connection of power shell, on
Connector lower end surface and the tight turbine stator of power housing cavity middle bench face pressure；Transmission shaft inner cavity top is circumferentially uniformly arranged eight
Pin sliding slot, one circle cam groove of transmission shaft outer circle top setting, transmission shaft outer circle lower part is set as public spline, the spiral shell of public spline
Swing angle is 10 °~20 °；Rotary shaft outer circle lower part is inserted in transmission shaft inner cavity, and eight trundles are sequentially arranged in rotary shaft outer circle
In the cavity of eight, portion pin grooves and the eight pin sliding slots in transmission shaft inner cavity top composition；It is circumferential in the middle part of connecting cylinder to be uniformly arranged two
A step surface is arranged in a threaded hole, transmission shaft inner cavity lower part；Connecting cylinder upper end and the lower end screwed connection of power shell；Two steel balls
It is respectively implanted in the middle part of connecting cylinder in two threaded holes, steel ball half is fallen into the cam groove on transmission shaft outer circle top, and steel ball is another
Half falls into connecting cylinder threaded hole bottom；Two nuts are fastened with two threaded holes in the middle part of connecting cylinder respectively；Bearing b is mounted on company
On the step surface of connect cylinder inner cavity lower part；It exports one circle raised step of setting, output tube inner chamber top in the middle part of tube inner chamber and is set as female
Spline, the helical angle of output cylinder mother's spline and the male spline spiral angle of transmission shaft outer circle lower part are identical；It is female to export tube inner chamber top
Spline is inserted in transmission shaft outer circle lower part public affairs spline, and bearing c is mounted in the middle part of output tube inner chamber in raised step；It is anti-to cap off and rotate
The screwed connection of axis lower end.
The beneficial effects of the present invention are: circumferential high-frequency reciprocating unfreezing may be implemented in (1) present invention, fish unfreezing is effectively realized
Fishing；(2) present invention is controlled using mud flow rate, and operation is simple and reliable；(3) present invention is pure mechanic structure,
Reliable operation adapts to underground complex working condition.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high frequency week pendulum releasing tool of the present invention；
Fig. 2 is Figure 1A-A cross-sectional view；
Fig. 3 is Figure 1B-B-section cross-sectional view；
Fig. 4 is a kind of three dimensional structure diagram of high frequency week pendulum releasing tool transmission shaft of the present invention；
Fig. 5 is a kind of three dimensional structure diagram of high frequency week pendulum releasing tool output shaft of the present invention；
In figure: 1. top connections, 2. fasten cap, 3. turbine assemblies, 4. power shells, 5. bearing a, 6. rotary shafts, 7. transmissions
Pin, 8. steel balls, 9. nuts, 10. connecting cylinders, 11. bearing b, 12. transmission shafts, 13. output cylinders, 14. bearing c, 15. prevent capping off.
Specific embodiment
As shown in Figure 1, the present invention puts releasing tool in a kind of high frequency week, it is by top connection 1, fastening cap 2, turbine assembly 3, moves
Power shell 4, bearing a5, rotary shaft 6, trundle 7, steel ball 8, nut 9, connecting cylinder 10, bearing b11, transmission shaft 12, output cylinder
13, bearing c14 and anti-15 compositions are capped off；Its structure feature is: 1 upper end of top connection and top fishing string screwed connection, output
13 lower ends of cylinder and lower part fishing tool screwed connection；6 upper end of rotary shaft is set as male thread, and 6 top of rotary shaft is set as step
Axis, 6 upper step axis lower section of rotary shaft is circumferential to be uniformly arranged three inclined holes connection interior or exterior spaces, 6 three inclined holes lower sections of rotary shaft
One circle raised step of setting, 6 outer circle of rotary shaft middle part is circumferential to be uniformly arranged eight pin grooves, and 6 lower end outer circle of rotary shaft is set as
Male thread；Turbine assembly 3 is made of turbine stator and turbine rotor, and turbine assembly 3 is inserted in 6 upper step axis of rotary shaft；It fastens
The 6 upper end screwed connection of cap 2 and rotary shaft, the step end face for fastening cap 2 and 6 upper step axis of rotary shaft compress turbine rotor；It is dynamic
One step surface is set in the middle part of 4 inner cavity of power shell, and 4 inner cavity lower part of power shell setting, one circle raised step, bearing a5 is mounted on dynamic
On 4 inner cavity lower lobes step of power shell；Turbine assembly 3 and whole merging 4 inner cavity of power shell of rotary shaft 6,1 lower end of top connection
With the 4 upper end screwed connection of power shell, the 4 tight turbine stator of inner cavity middle bench face pressure of 1 lower end surface of top connection and power shell；It passes
12 inner cavity top of moving axis is circumferentially uniformly arranged eight pin sliding slots, 12 outer circle top of transmission shaft setting, one circle cam groove, transmission
12 outer circle lower part of axis is set as public spline, and the helical angle of public spline is 10 °~20 °；As shown in figure 3,12 inner cavity of transmission shaft is inserted in
6 outer circle lower part of rotary shaft, eight trundles 7 are sequentially arranged at eight pin grooves and 12 inner cavity of transmission shaft in the middle part of 6 outer circle of rotary shaft
In the cavity of the eight pin sliding slots in top composition；10 middle part of connecting cylinder is circumferential to be uniformly arranged two threaded holes, 12 inner cavity of transmission shaft
A step surface is arranged in lower part；The 4 lower end screwed connection of 10 upper end of connecting cylinder and power shell；As shown in Fig. 2, two steel balls 8 are distinguished
It is placed in 10 two threaded holes in middle part of connecting cylinder, 8 half of steel ball is fallen into the cam groove on 12 outer circle top of transmission shaft, steel ball 8
The other half falls into 10 threaded hole bottom of connecting cylinder；Two nuts 9 are fastened with 10 two, middle part threaded hole of connecting cylinder respectively；Bearing
B11 is mounted on the step surface of 10 inner cavity lower part of connecting cylinder；One circle raised step of setting, output cylinder 13 in the middle part of 13 inner cavity of output cylinder
Inner cavity top is set as female spline, the male spline spiral angle phase of the 12 outer circle lower part of helical angle and transmission shaft of the female spline of output cylinder 13
Together；13 inner cavity top mother's spline of output cylinder is inserted in the 12 male spline in outer circle lower part of transmission shaft, and bearing c14 is mounted on 13 inner cavity of output cylinder
In the raised step of middle part；It is anti-to cap off 15 and 6 lower end screwed connection of rotary shaft.
As shown in Figure 4 and Figure 5,12 inner cavity top of transmission shaft is circumferentially uniformly arranged eight pin sliding slots, 12 outer circle of transmission shaft
One circle cam groove of top setting, 12 outer circle lower part of transmission shaft are set as public spline, and the helical angle of public spline is 10 °~20 °；It is defeated
13 inner cavity top of cylinder is set as female spline, the male spline spiral shell of the 12 outer circle lower part of helical angle and transmission shaft of the female spline of output cylinder 13 out
Swing angle is identical.
A kind of working principle of high frequency week pendulum releasing tool of the present invention is: the tripping in present invention to fishing region, confirmation
After fishing tool and fish promptly consolidate, in the case where upper mention in vain, turn on pump circulating fluid, drilling fluid drives turbine group
The turbine rotor high speed rotation of part 3, to drive 6 high speed rotation of rotary shaft, rotary shaft 6 drives 12 high speed rotation of transmission shaft, passes
Moving axis 12 does axially reciprocating under the action of steel ball 8 while rotating, so that it is past to drive output shaft 13 to do circumferential high frequency
Physical pendulum is dynamic, and output shaft 13 drives fishing tool and fish circumferential direction high-frequency reciprocating to swing, effective unfreezing.
Claims (3)
1. a kind of high frequency week puts releasing tool, it is by top connection (1), fastens cap (2), turbine assembly (3), power shell (4), axis
Hold a (5), rotary shaft (6), trundle (7), steel ball (8), nut (9), connecting cylinder (10), bearing b (11), transmission shaft (12), defeated
Cylinder (13), bearing c (14) and anti-cap off (15) are constituted out；Its structure feature is: top connection (1) upper end and top fishing string silk
Button connection, output cylinder (13) lower end and lower part fishing tool screwed connection；Turbine assembly (3) is by turbine stator and turbine rotor group
At turbine assembly (3) is inserted in rotary shaft (6) upper step axis；Cap (2) and rotary shaft (6) upper end screwed connection is fastened, cap is fastened
(2) and the step end face of rotary shaft (6) upper step axis compresses turbine rotor；One step is set in the middle part of power shell (4) inner cavity
Face, one circle raised step of power shell (4) inner cavity lower part setting, bearing a (5) are mounted on power shell (4) inner cavity lower lobes
On step；Turbine assembly (3) and rotary shaft (6) are integrally placed in power shell (4) inner cavity, top connection (1) lower end and power shell
(4) upper end screwed connection, top connection (1) lower end surface and the tight turbine stator of power shell (4) inner cavity middle bench face pressure；Transmission shaft
(12) rotary shaft (6) outer circle lower part is inserted in inner cavity, and eight trundles (7) are sequentially arranged at eight pins in the middle part of rotary shaft (6) outer circle
In the cavity of pilot trench and the eight pin sliding slots in transmission shaft (12) inner cavity top composition；It is circumferential in the middle part of connecting cylinder (10) to be uniformly arranged two
A step surface is arranged in a threaded hole, transmission shaft (12) inner cavity lower part；Connecting cylinder (10) upper end and power shell (4) lower end screw thread connect
It connects；Two steel balls (8) are respectively implanted in the middle part of connecting cylinder (10) in two threaded holes, and steel ball (8) half falls into transmission shaft (12) outside
Circle top cam groove in, steel ball (8) the other half fall into connecting cylinder (10) threaded hole bottom；Two nuts (9) respectively and even
Two threaded holes fasten in the middle part of connect cylinder (10)；Bearing b (11) is mounted on the step surface of connecting cylinder (10) inner cavity lower part；Output cylinder
(13) one circle raised step of setting in the middle part of inner cavity；It is male that output cylinder (13) inner cavity top mother's spline is inserted in transmission shaft (12) outer circle lower part
Spline, bearing c (14) are mounted in the middle part of output cylinder (13) inner cavity in raised step；It is anti-to cap off terminal filament under (15) and rotary shaft (6)
Button connection.
2. high frequency week according to claim 1 puts releasing tool, it is characterized in that: the transmission shaft (12) inner cavity top is circumferential
Eight pin sliding slots are uniformly arranged, one circle cam groove of transmission shaft (12) outer circle top setting, transmission shaft (12) outer circle lower part is set
It is set to public spline, the helical angle of public spline is 10 °~20 °；Output cylinder (13) inner cavity top is set as female spline, output cylinder (13)
The helical angle of female spline is identical with the male spline spiral angle of transmission shaft (12) outer circle lower part.
3. high frequency week according to claim 1 puts releasing tool, it is characterized in that: the rotary shaft (6) upper end is set as public
Screw thread, rotary shaft (6) top are set as Step Shaft, are circumferentially uniformly arranged three inclined holes below rotary shaft (6) upper step axis and connect
Logical interior or exterior space, one circle raised step of (6) three inclined holes lower section settings of rotary shaft, rotary shaft (6) outer circle middle part is circumferential uniformly to be set
Eight pin grooves are set, rotary shaft (6) lower end outer circle is set as male thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230523.9A CN106988700B (en) | 2017-04-11 | 2017-04-11 | A kind of high frequency week pendulum releasing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230523.9A CN106988700B (en) | 2017-04-11 | 2017-04-11 | A kind of high frequency week pendulum releasing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106988700A CN106988700A (en) | 2017-07-28 |
| CN106988700B true CN106988700B (en) | 2018-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710230523.9A Expired - Fee Related CN106988700B (en) | 2017-04-11 | 2017-04-11 | A kind of high frequency week pendulum releasing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106988700B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109290A (en) * | 2021-11-18 | 2022-03-01 | 西南石油大学 | Circumferential drilling jar |
| CN115584943B (en) * | 2022-10-28 | 2024-04-16 | 西南石油大学 | Buckle type downhole throwing and fishing tool capable of being released |
| CN117365304B (en) * | 2023-12-06 | 2024-02-27 | 山西省地球物理化学勘查院有限公司 | Drill bit for geological exploration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266612A1 (en) * | 2008-04-29 | 2009-10-29 | Smith International, Inc. | Vibrating downhole tool |
| CN202731793U (en) * | 2012-06-06 | 2013-02-13 | 中国石油天然气股份有限公司 | Sand wash blockage removing tool in casing pipe |
| CN104018779A (en) * | 2014-06-27 | 2014-09-03 | 西南石油大学 | Underground power drilling tool with peripheral impact function |
| CN106089018A (en) * | 2016-06-16 | 2016-11-09 | 西南石油大学 | A kind of high-frequency torsional pulse drilling tool |
-
2017
- 2017-04-11 CN CN201710230523.9A patent/CN106988700B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266612A1 (en) * | 2008-04-29 | 2009-10-29 | Smith International, Inc. | Vibrating downhole tool |
| CN202731793U (en) * | 2012-06-06 | 2013-02-13 | 中国石油天然气股份有限公司 | Sand wash blockage removing tool in casing pipe |
| CN104018779A (en) * | 2014-06-27 | 2014-09-03 | 西南石油大学 | Underground power drilling tool with peripheral impact function |
| CN106089018A (en) * | 2016-06-16 | 2016-11-09 | 西南石油大学 | A kind of high-frequency torsional pulse drilling tool |
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| Publication number | Publication date |
|---|---|
| CN106988700A (en) | 2017-07-28 |
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Granted publication date: 20181221 Termination date: 20190411 |