CN107152253B - A kind of swing in high frequency formula releasing tool - Google Patents

A kind of swing in high frequency formula releasing tool Download PDF

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Publication number
CN107152253B
CN107152253B CN201710538272.0A CN201710538272A CN107152253B CN 107152253 B CN107152253 B CN 107152253B CN 201710538272 A CN201710538272 A CN 201710538272A CN 107152253 B CN107152253 B CN 107152253B
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CN
China
Prior art keywords
shift fork
rotary shaft
pendulum
turbine
inner cavity
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Expired - Fee Related
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CN201710538272.0A
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Chinese (zh)
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CN107152253A (en
Inventor
张梁
周加伟
李镕成
梁政
赵勇
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Southwest Petroleum University
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Southwest Petroleum University
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Publication of CN107152253A publication Critical patent/CN107152253A/en
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Publication of CN107152253B publication Critical patent/CN107152253B/en
Expired - Fee Related legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00Fishing for or freeing objects in boreholes or wells
    • E21B31/107Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
    • E21B31/113Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated

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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)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

The present invention relates to the swing in high frequency formula releasing tools that lock of tool drilling is released in a kind of oil and gas industry drillng operation.It can not efficient unfreezing after solving the problems, such as well drilling pipe column bit freezing.Its technical solution is: turbine stator vane disk and turbine rotor blade disk are nested together and form turbine assembly, and three sets of turbine assemblies are successively inserted on rotary shaft upper step axis;Thrust bearing is mounted on the lower lobes step of stator case inner cavity, and rotary shaft, turbine rotor blade disk and turbine stator vane disk are placed in stator case inner cavity;Camshaft top and the screwed connection of rotary shaft lower part;Upper pendulum shift fork and lower pendulum shift fork are mounted on cylinder lumen, and pin shaft passes through pin shaft hole and lower pendulum shift fork middle part pin shaft hole, pin shaft in the middle part of upper pendulum shift fork and is fixed in cylinder lower pin axis hole;Cylinder lower end spline is inserted into lower contact inner cavity upper end spline, anti-to cap off and the screwed connection of lower contact upper end.Lower contact high-frequency reciprocating of the invention is swung, and effectively helps the unfreezing of bit freezing tubing string.

Description

A kind of swing in high frequency formula releasing tool
Technical field
The present invention relates to the swing in high frequency formula unfreezings that lock of tool drilling is released in a kind of oil and gas industry drillng operation Tool.
Background technique
In oil and gas industry, drillng operation is in occupation of very important status, it may be said that is Reservoir Development mistake Core technology program in journey.However, seriously affecting normal drilling well along with the generation of lock of tool drilling often in drilling process and making Industry progress will lead to oil/gas well and scrap when serious, to oil gas field production bring huge economic loss, therefore how to prevent and and When deal carefully with lock of tool drilling, all have having very great significance to drillng operation or even Reservoir Development
The reason of causing lock of tool drilling is varied, and common bit freezing phenomenon mainly has key-seating sticking, sand setting bit freezing, well slough Bit freezing, differential sticking, undergauge bit freezing, junk bit freezing etc..Conventional bit freezing processing method has activity unfreezing, jarring releasing, back-off Unfreezing, impregnates unfreezing, corrosion unfreezing, explosion unfreezing etc. at set milling unfreezing, and above-mentioned unfreezing processing mode is combined utilization, and one Determine that preferable unfreezing effect can be obtained in degree.And on releasing tool mainly based on bumper jar, the structure class of bumper jar Type mainly has mechanical, fluid pressure type and three kinds of mechanical liquid type, and main operational principle is the generation axial blows power on well drilling pipe column, Shake loose stuck point.However bit freezing phenomenon is various, for lock of tool drilling such as sand setting bit freezing, well slough bit freezings, due to drill string and wellbore sandstone It falls into extremely, causes bumper jar unfreezing ineffective.Background in view of the above technology, the present invention provides a kind of swing in high frequency formula unfreezing works Tool provides high frequency circumferential direction reciprocally swinging power for bit freezing tubing string, improves unfreezing efficiency.
Summary of the invention
The purpose of the present invention is: in order to improve drill string unfreezing efficiency, provide a kind of swing in high frequency formula releasing tool.
In order to achieve the above object, the invention adopts the following technical scheme: a kind of swing in high frequency formula releasing tool, is by upper Connector, clamping nut, turbine stator vane disk, turbine rotor blade disk, stator case, rotary shaft, thrust bearing, camshaft, Cylinder, upper pendulum shift fork, lower pendulum shift fork, pin shaft, anti-cap off are constituted with lower contact;Its structure feature is: top connection upper end and Upper drilling string screwed connection, lower contact lower end and lower drilling string screwed connection;Rotary shaft upper end is set as male thread, in rotary shaft Portion is set as Step Shaft, one circle raised step of rotary shaft lower part outer circle setting, and rotary shaft lower end is set as box thread, under rotary shaft A blind hole is arranged in portion, and two upper inclined holes connection rotary shaft interior or exterior spaces, rotary shaft lower part week are circumferentially uniformly arranged in the middle part of rotary shaft Rotary shaft interior or exterior spaces are connected to two lower inclined holes are uniformly arranged;Turbine stator vane disk and turbine rotor blade disk are nested together Turbine assembly is formed, three sets of turbine assemblies are successively inserted on rotary shaft upper step axis;Clamping nut and rotary shaft upper end screw thread Connection, clamping nut compress turbine rotor blade disk, keep turbine rotor blade disk and rotary shaft relatively fixed;Stator case inner cavity Top is set as stepped hole, one circle raised step of stator case inner cavity lower part setting;Thrust bearing is mounted on stator case inner cavity On lower lobes step, rotary shaft, turbine rotor blade disk and turbine stator vane disk are placed in stator case inner cavity;Under top connection End and the screwed connection of stator case upper end, top connection compress turbine stator vane disk, make turbine stator vane disk and stator case It is relatively fixed;Camshaft top is set as male thread, and eccentric cam in setting one in the middle part of camshaft, camshaft lower part is arranged Eccentric cam, upper eccentric cam is identical with the eccentricity of lower eccentric cam, and 180 ° are differed in eccentric phase circumferential direction;Camshaft top With the screwed connection of rotary shaft lower part;A U-shaped shift fork is arranged in upper pendulum shift fork upper end, and a pin shaft hole, lower end setting one is arranged in middle part Pendulum;A U-shaped shift fork is arranged in lower pendulum shift fork upper end, and a pin shaft hole is arranged in middle part, and a pendulum is arranged in lower end;The setting of cylinder upper end For box thread, cylinder lower part is arranged radially a pin shaft hole, and cylinder lower end is set as spline;Lower contact inner cavity upper end is set as colored Key, lower contact spline groove width are greater than cylinder lower end spline tooth width, and lower contact inner cavity is provided with the waist type of two opposite planes Hole, lower contact upper end are provided with male thread;Upper pendulum shift fork and lower pendulum shift fork are mounted on cylinder lumen, and pin shaft passes through upper pendulum Pin shaft hole and lower pendulum shift fork middle part pin shaft hole, pin shaft are fixed in cylinder lower pin axis hole in the middle part of shift fork;On upper pendulum shift fork The U-shaped shift fork at end entangles the upper eccentric cam in the middle part of camshaft, and the U-shaped shift fork of lower pendulum shift fork upper end entangles camshaft lower part Lower eccentric cam;Cylinder lower end spline is inserted into lower contact inner cavity upper end spline, anti-to cap off and the screwed connection of lower contact upper end.
The beneficial effects of the present invention are: (1) upper pendulum shift fork of the invention and lower pendulum shift fork reciprocally alternatively swinging, make Lower contact high-frequency reciprocating is swung, and effectively helps the unfreezing of bit freezing tubing string;(2) present invention is driven by drilling fluid, and power is reliable;(3) originally Invention continuous high frequency reciprocally swinging under drilling fluid driving, effectively prevent bit freezing and stick-slip phenomenon to occur;(4) pure mechanic structure, Reliable performance under the bad working environments of underground.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of swing in high frequency formula 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 Fig. 1 C-C cross-sectional view;
Fig. 5 is Fig. 1 D-D cross-sectional view;
Fig. 6 is the three-dimensional assembling schematic diagram of camshaft, upper pendulum shift fork and lower pendulum shift fork;
Fig. 7 is the three dimensional structure diagram of camshaft;
Fig. 8 is the three dimensional structure diagram of upper pendulum shift fork;
Fig. 9 is the three dimensional structure diagram of lower pendulum shift fork;
In figure: 1. top connections, 2. clamping nuts, 3. turbine stator vane disks, 4. turbine rotor blade disks, 5. stator cases It is body, 6. rotary shafts, inclined hole on 61., 62. lower inclined holes, 7. thrust bearings, 8. camshafts, eccentric cam on 81., 82. lower eccentric convex Wheel, 9. cylinders, pendulum shift fork on 10., 11. lower pendulum shift forks, 12. pin shafts, 13. it is anti-cap off, 14. lower contacts.
Specific embodiment
As shown in Figure 1, a kind of swing in high frequency formula releasing tool, is by top connection 1, clamping nut 2, turbine stator vane disk 3, turbine rotor blade disk 4, stator case 5, rotary shaft 6, thrust bearing 7, camshaft 8, cylinder 9, upper pendulum shift fork 10, the bottom Hammer shift fork 11, pin shaft 12 are prevented capping off 13 and the composition of lower contact 14;Its structure feature is: 1 upper end of top connection and upper drilling string screw thread Connection, 14 lower end of lower contact and lower drilling string screwed connection;6 upper end of rotary shaft is set as male thread, and 6 top of rotary shaft is set as Step Shaft, 6 lower part outer circle of rotary shaft setting, one circle raised step, 6 lower end of rotary shaft are set as box thread, and 6 lower part of rotary shaft is set A blind hole is set, 6 middle part of rotary shaft is circumferential to be uniformly arranged the two upper connection of inclined holes 61 6 interior or exterior spaces of rotary shaft, 6 lower part of rotary shaft week 6 interior or exterior space of rotary shaft is connected to two lower inclined holes 62 are uniformly arranged;Turbine stator vane disk 3 and 4 sets of turbine rotor blade disk Turbine assembly is formed together, and three sets of turbine assemblies are successively inserted on 6 upper step axis of rotary shaft;Clamping nut 2 and rotary shaft 6 Upper end screwed connection, clamping nut 2 compress turbine rotor blade disk 4, keep turbine rotor blade disk 4 and rotary shaft 6 relatively fixed; 5 inner cavity top of stator case is set as stepped hole, 5 inner cavity lower part of stator case setting, one circle raised step;Thrust bearing 7 is installed On 5 inner cavity lower lobes step of stator case, rotary shaft 6, turbine rotor blade disk 4 and the merging of turbine stator vane disk 3 are fixed Sub- 5 inner cavity of shell;The 5 upper end screwed connection of 1 lower end of top connection and stator case, top connection 1 compress turbine stator vane disk 3, make Turbine stator vane disk 3 and stator case 5 are relatively fixed;As shown in fig. 7,8 top of camshaft is set as male thread, camshaft 8 Eccentric cam 81 in middle part setting one, eccentric cam 82, upper eccentric cam 81 and lower eccentric cam is arranged in 8 lower part of camshaft 82 eccentricity is identical, and 180 ° are differed in eccentric phase circumferential direction;The 6 lower part screwed connection of 8 top of camshaft and rotary shaft;Such as Fig. 8 Shown, a U-shaped shift fork is arranged in upper 10 upper end of pendulum shift fork, and a pin shaft hole is arranged in middle part, and a pendulum is arranged in lower end;As shown in figure 9, A U-shaped shift fork is arranged in lower 11 upper end of pendulum shift fork, and a pin shaft hole is arranged in middle part, and a pendulum is arranged in lower end;9 upper end of cylinder is set as Box thread, 9 lower part of cylinder are arranged radially a pin shaft hole, and 9 lower end of cylinder is set as spline;As shown in figure 4, on 14 inner cavity of lower contact End is set as spline, and 14 spline groove width of lower contact is greater than 9 lower end spline tooth width of cylinder, as shown in figure 5,14 inner cavity of lower contact It is provided with the waist-shaped hole of two opposite planes, 14 upper end of lower contact is provided with male thread;As shown in fig. 6, upper 10 He of pendulum shift fork Lower pendulum shift fork 11 is mounted on 9 inner cavity of cylinder, and pin shaft 12 passes through in upper 10 middle part pin shaft hole of pendulum shift fork and lower pendulum shift fork 11 Portion's pin shaft hole, pin shaft 12 are fixed in 9 lower pin axis hole of cylinder;As shown in Figure 2 and Figure 6, the U-shaped of upper 10 upper end of pendulum shift fork is dialled Fork entangles the upper eccentric cam 81 at 8 middle part of camshaft, and as shown in Figure 3 and Figure 6, the U-shaped shift fork of lower 11 upper end of pendulum shift fork entangles The lower eccentric cam 82 of 8 lower part of camshaft;9 lower end spline of cylinder is inserted into 14 inner cavity upper end spline of lower contact, anti-to cap off 13 under 14 upper end screwed connection of connector.
A kind of working principle of swing in high frequency formula releasing tool of invention is: turn on pump circulating fluid, and turbine turns Blades disk 4 drives rotary shaft 6 to rotate, and rotary shaft 6 drives camshaft 8 to rotate;The upper eccentric cam 81 of camshaft 8 and lower bias Cam 82 stirs pendulum shift fork 10 respectively and lower 11 high-frequency reciprocating of pendulum shift fork is swung, then upper 10 lower end pendulum of pendulum shift fork 14 inner cavity plane of lower contact, upper 10 lower end pendulum of pendulum shift fork and the bottom are hit with lower 11 lower end pendulum high-frequency reciprocating of pendulum shift fork Hammer 11 lower end pendulum of shift fork makes lower contact 14 do high-frequency reciprocating swing the hammer action of lower contact 14, to help lower part bit freezing Drill string unfreezing, can also pre- preventing sticking and stick-slip phenomenon generation.

Claims (1)

1. a kind of swing in high frequency formula releasing tool is by top connection (1), clamping nut (2), turbine stator vane disk (3), turbine Rotor blade disk (4), stator case (5), rotary shaft (6), thrust bearing (7), camshaft (8), cylinder (9), upper pendulum shift fork (10), lower pendulum shift fork (11), pin shaft (12), anti-cap off (13) and lower contact (14) composition;It is characterized by: top connection (1) Upper end and upper drilling string screwed connection, lower contact (14) lower end and lower drilling string screwed connection;Rotary shaft (6) upper end is set as public Screw thread, rotary shaft (6) top are set as Step Shaft, one circle raised step of rotary shaft (6) lower part outer circle setting, under rotary shaft (6) End is set as box thread, and a blind hole is arranged in rotary shaft (6) lower part, and two upper inclined holes are circumferentially uniformly arranged in the middle part of rotary shaft (6) (61) it is connected to rotary shaft (6) interior or exterior space, rotary shaft (6) lower part is circumferentially uniformly arranged two lower inclined hole (62) connection rotary shafts (6) interior or exterior space;Turbine stator vane disk (3) and turbine rotor blade disk (4) are nested together and form turbine assembly, three sets of turbines Component is successively inserted on rotary shaft (6) upper step axis;Clamping nut (2) and rotary shaft (6) upper end screwed connection, clamping nut (2) turbine rotor blade disk (4) are compressed, keeps turbine rotor blade disk (4) and rotary shaft (6) relatively fixed;In stator case (5) Chamber top is set as stepped hole, one circle raised step of stator case (5) inner cavity lower part setting;Thrust bearing (7) is mounted on stator On the lower lobes step of shell (5) inner cavity, rotary shaft (6), turbine rotor blade disk (4) and turbine stator vane disk (3) merging Stator case (5) inner cavity;Top connection (1) lower end and stator case (5) upper end screwed connection, top connection (1) compress turbine stator Fan disk (3) keeps turbine stator vane disk (3) and stator case (5) relatively fixed;Camshaft (8) top is set as male thread, Eccentric cam (82) are arranged in eccentric cam (81), camshaft (8) lower part in setting one in the middle part of camshaft (8), and upper bias is convex Wheel (81) is identical with the eccentricity of lower eccentric cam (82), and 180 ° are differed in eccentric phase circumferential direction;Camshaft (8) top and rotation Axis (6) lower part screwed connection;A U-shaped shift fork is arranged in upper pendulum shift fork (10) upper end, and a pin shaft hole, lower end setting one is arranged in middle part Pendulum;A U-shaped shift fork is arranged in lower pendulum shift fork (11) upper end, and a pin shaft hole is arranged in middle part, and a pendulum is arranged in lower end;Cylinder (9) Upper end is set as box thread, and cylinder (9) lower part is arranged radially a pin shaft hole, and cylinder (9) lower end is set as spline tooth;Lower contact (14) inner cavity upper end is set as spline, and lower contact (14) spline groove width is greater than cylinder (9) lower end spline tooth width, lower contact (14) inner cavity is provided with the waist-shaped hole of two opposite planes, and lower contact (14) upper end is provided with male thread;Upper pendulum shift fork (10) It is mounted on cylinder (9) inner cavity with lower pendulum shift fork (11), pin shaft (12) passes through pin shaft hole and the bottom in the middle part of upper pendulum shift fork (10) Hammer pin shaft hole in the middle part of shift fork (11) into shape, pin shaft (12) is fixed in cylinder (9) lower pin axis hole;The U of upper pendulum shift fork (10) upper end Shape shift fork entangles the upper eccentric cam (81) in the middle part of camshaft (8), and the U-shaped shift fork of lower pendulum shift fork (11) upper end entangles camshaft (8) the lower eccentric cam (82) of lower part;Cylinder (9) lower end spline tooth is inserted into lower contact (14) inner cavity upper end spline, anti-to cap off (13) and lower contact (14) upper end screwed connection.
CN201710538272.0A 2017-07-04 2017-07-04 A kind of swing in high frequency formula releasing tool Expired - Fee Related CN107152253B (en)

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Application Number Priority Date Filing Date Title
CN201710538272.0A CN107152253B (en) 2017-07-04 2017-07-04 A kind of swing in high frequency formula releasing tool

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Application Number Priority Date Filing Date Title
CN201710538272.0A CN107152253B (en) 2017-07-04 2017-07-04 A kind of swing in high frequency formula releasing tool

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CN107152253A CN107152253A (en) 2017-09-12
CN107152253B true CN107152253B (en) 2019-03-15

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355182B (en) * 2017-09-15 2023-06-30 长江大学 Turbine type high-frequency pulse supercharger
CN115405265B (en) * 2022-07-06 2023-07-14 重庆科技学院 Electrically driven underground casing pipe continuous perforating device and working method thereof
CN116752914B (en) * 2023-08-14 2023-11-10 东北石油大学三亚海洋油气研究院 Cleaning device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276944A (en) * 1979-08-20 1981-07-07 Smith International, Inc. In-hole motor with bit clutch
CN101493000A (en) * 2009-03-03 2009-07-29 西南石油大学 Rotary jar
CN203531818U (en) * 2013-10-18 2014-04-09 北京加华维尔能源技术有限公司 Underground deblocking device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276944A (en) * 1979-08-20 1981-07-07 Smith International, Inc. In-hole motor with bit clutch
CN101493000A (en) * 2009-03-03 2009-07-29 西南石油大学 Rotary jar
CN203531818U (en) * 2013-10-18 2014-04-09 北京加华维尔能源技术有限公司 Underground deblocking device

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Granted publication date: 20190315

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