CN218293547U - Oscillation device and oscillation throwing and fishing device - Google Patents

Abstract

The utility model relates to an operation is with throwing and dragging for instrument technical field in the pit, especially relates to an oscillation device and vibrate and throw and drag for ware. The vibrating device comprises a jar, the lower end of the jar is closed, a jar rod is movably mounted in the jar along the axis direction of the jar, a through hole is formed in the upper end of the jar, one end of the jar rod penetrates out of the through hole, the jar rod is provided with a jar part and a sealing matching surface, an upper cavity is formed by the part above the sealing matching surface of the jar rod and the jar, a lower cavity is formed by the part below the sealing matching surface of the jar rod and the jar, a blind hole with a downward opening is formed in the jar rod, the open end of the blind hole is communicated with the lower cavity, the lower end of the jar rod is connected with a one-way valve which enables lubricating oil in the lower cavity to pass through from bottom to top in a one-way mode and enter the blind hole, and a through hole which is communicated with the blind hole and the upper cavity is formed in the jar rod. Through repeated jarring of the jar rod and the jar, shake and break the stuck point, reach the purpose of vibrations unblock card, avoided directly breaking wire rope.

Description

Oscillation device and oscillation throwing and fishing device

Technical Field

The utility model relates to an operation is with throwing and dragging for instrument technical field in the pit, especially relates to an oscillation device and vibrate and throw and drag for ware.

Background

In the process of oil field production and development, with continuous development of oil fields, the energy in the stratum is lower and lower, water is generally injected into the stratum to supplement energy for the stratum, and crude oil is driven by the water to flow to an oil well so as to realize crude oil extraction. Before water injection, the blanking plug needs to be delivered into an eccentric water distributor in a water injection well pipe column by using a throwing and fishing device, and when the blanking plug is replaced, the blanking plug needs to be fished out from the eccentric water distributor by using the throwing and fishing device. The blanking plug is because of receiving influence such as silt, water injection scale deposit, blocks easily and dies in eccentric water injection mandrel, can't fish out the blanking plug when using to throw and drag for the ware to salvage, lifts the problem that the in-process appears directly breaking wire rope easily, still need go to salvage the ware of throwing and dragging for in addition this moment, has not only increased work load, influences the construction progress moreover, has increased test cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vibration device to solve the problem that the existing throwing and fishing device can not release the blockage when fishing the blockage, thereby directly breaking the steel wire rope; the utility model aims at providing a vibrate and throw and drag for ware still to solve present throwing and drag for ware and directly break wire rope, throw and drag for the low and increase test cost's of success rate when salvaging the blanking plug problem.

In order to achieve the above object, the utility model discloses oscillation device adopts following technical scheme:

the vibrating device comprises a jar, the lower end of the jar is closed, a jar rod is movably installed in the jar along the axis direction, a through hole for the jar rod to pass through is formed in the upper end of the jar, one end of the jar rod penetrates out of the through hole upwards, the jar rod is in sealing sliding fit with the jar at the through hole, the jar rod is provided with a jar part used for being matched with the upper part of the jar to carry out jar and a sealing matching surface used for being in sealing sliding fit with the partial inner wall of the jar, the part above the sealing matching surface of the jar rod and the jar cylinder form an upper cavity, the part below the sealing matching surface of the jar rod and the jar cylinder form a lower cavity, a blind hole with a downward opening is formed in the jar rod, the open end of the blind hole is communicated with the lower cavity, the lower end of the jar rod is connected with a one-way valve which can enable lubricating oil in the lower cavity to pass through from bottom to top to bottom and enter the blind hole, and the through hole communicated with the upper cavity is formed in the jar rod.

Has the advantages that: before the drilling, firstly adding lubricating oil into the oscillating device, connecting the oscillating device with the throwing and fishing component, then, putting the drilling tool into the well along with the drilling tool, hooking the blanking plug by the throwing and fishing component, lifting the drilling tool up, wherein the one-way valve is in a closed state in the process, negative pressure is formed in the lower cavity, the shock rod slowly moves up until the sealing matching surface of the shock rod leaves the inner wall of the shock cylinder, the lubricating oil in the upper cavity is leaked through the gap, the drilling tool is continuously lifted up, and when the lifting force is greater than the pressure acting on the shock rod, the shock rod quickly moves up and generates shock with the upper part of the shock cylinder; the jar pole is transferred the instrument of going into the well after upwards the jarring, relies on instrument and jar pole dead weight of going into the well, and the jar pole is gone down to jar lower extreme, and lubricating oil in the lower part cavity upwards gets into the blind hole through the check valve to by the upper portion cavity of returning again of via hole. The vibration is repeated until the clamping point is met, so that the aim of releasing the clamping by vibration is fulfilled, and the steel wire rope is prevented from being directly broken.

Furthermore, the check valve comprises a valve seat, the valve seat is connected to the lower end of the shock rod, a valve seat channel which is communicated up and down is arranged on the valve seat, the upper end of the valve seat channel is communicated with the blind hole, the lower end of the valve seat channel is communicated with the lower cavity, a valve ball is arranged in the blind hole, and the valve ball moves up and down to plug or open the valve seat channel.

Has the advantages that: the one-way valve has simple structure and convenient installation.

Furthermore, the lower end of the valve seat is provided with a through hole groove which is communicated with the valve seat channel.

Has the advantages that: lubricating oil in the upper cavity can be drained through the gap and flows back to the valve seat channel.

Furthermore, the lower end of the jar barrel is provided with a positioning seat, the positioning seat is in sealing fit with the inner wall of the jar barrel, a positioning seat through hole which is through from top to bottom is formed in the positioning seat, the positioning seat through hole is communicated with the blind hole, a plugging component used for plugging or relieving the positioning seat through hole is detachably mounted on the positioning seat, the lower end of the jar barrel is detachably connected with a lower joint, and the lower joint is fixedly supported below the positioning seat.

Has the advantages that: the positioning seat is arranged at the lower end of the jar, so that the positioning seat is in sealing fit with the inner wall of the jar, a closed lubricating oil circulation channel is favorably formed in the jar, meanwhile, a positioning seat through hole is arranged on the positioning seat and serves as a lubricating oil filling port, and the opening is smaller, so that excessive air and dirt can be prevented from entering the circulation channel, a gap between the shock rod and the inner wall of the jar is protected, and dirt blockage in the installation process is prevented; when lubricating oil needs to be supplemented, only the lower joint needs to be disassembled, the plugging component is taken out, lubricating oil can be injected into the blind hole through the positioning seat through hole, the plugging component is installed after the injection is finished, the lower joint is connected again, the positioning seat does not need to be disassembled integrally, and the lubricating oil is very convenient to supplement. In addition, the running stroke of the lifting and lowering shock rod can be balanced, and the positioning and stabilizing effects are achieved.

Further, the plugging part is a bolt, and the bolt is screwed in the through hole of the positioning seat from bottom to top.

Has the advantages that: the bolt is convenient to disassemble and assemble.

Further, the positioning seat through hole is a step through hole, the step through hole comprises an upper small-diameter section and a lower large-diameter section, and a bolt head sinks into the lower large-diameter section when the bolt is screwed in the step through hole.

Has the advantages that: the lower clutch supports the positioning seat from the lower part, and the jarring positioning seat is transmitted the jarring power to the lower clutch on to the positioning seat again when the jarring pole is down, makes the bolt head sink into the big footpath section in lower part, can make the terminal surface be in the parallel and level state under the positioning seat, all plays the guard action to positioning seat and lower clutch.

Furthermore, a lower joint through hole which is communicated up and down is formed in the lower joint, and a side through hole which is communicated with the lower joint through hole and the outer portion of the lower joint is further formed in the side face of the lower joint.

Has the advantages that: the device is beneficial to balancing the internal and external pressure of the jar, the shock rod is lifted to easily drive the positioning seat to move upwards instantly, so that air enters the lower part of the positioning seat, lubricating oil flows into the lower cavity and the space between the lower part of the valve seat and the positioning seat in the ascending process of the shock rod, and the lubricating oil pushes the positioning seat to move downwards, thereby ensuring the positioning stabilization effect of the positioning seat.

Further, the jar rod includes upper and lower extension sections, and the department that links up and down extension section has the radially outside protruding circular bead, and the circular bead constitutes the jarring portion, and the outer peripheral face of circular bead constitutes the sealed fitting surface.

Has the beneficial effects that: the shock rod has simple structure, convenient processing and high overall strength.

The utility model discloses vibrate and throw and drag for ware adopts following technical scheme:

the shock throwing and fishing device comprises a throwing and fishing component, the upper end of the throwing and fishing component is connected with a shock device, the shock device comprises a shock barrel, the lower end of the shock barrel is closed, a shock rod is movably installed in the shock barrel along the axis direction of the shock barrel, the upper end of the shock barrel is provided with a through hole for the shock rod to pass through, one end of the shock rod upwards penetrates out of the through hole, the shock rod and the shock barrel are in sealing sliding fit at the through hole, the shock rod is provided with a shock part used for being matched with the upper part of the shock barrel to carry out shock and a sealing matching surface used for being in sealing sliding fit with the partial inner barrel wall of the shock barrel, the part above the sealing matching surface of the shock rod and the shock barrel form an upper cavity, the part below the sealing matching surface of the shock rod and the shock barrel form a lower cavity, the shock rod is provided with a blind hole with a downward opening, the open end of the blind hole is communicated with the lower cavity, the lower end of the shock rod is connected with a one-way valve which can enable lubricating oil in the lower cavity to pass through from bottom to top to enter the blind hole, and the upper cavity are arranged on the shock rod.

Has the advantages that: before the drilling, firstly adding lubricating oil into the oscillating device, connecting the oscillating device with the throwing and fishing component, then, putting the drilling tool into the well along with the drilling tool, hooking the blanking plug by the throwing and fishing component, lifting the drilling tool up, wherein the one-way valve is in a closed state in the process, negative pressure is formed in the lower cavity, the shock rod slowly moves up until the sealing matching surface of the shock rod leaves the inner wall of the shock cylinder, the lubricating oil in the upper cavity is leaked through the gap, the drilling tool is continuously lifted up, and when the lifting force is greater than the pressure acting on the shock rod, the shock rod quickly moves up and generates shock with the upper part of the shock cylinder; the jar is transferred the instrument of going into the well after upwards the jarring of jar, relies on instrument and jar dead weight of going into the well, and the jar is gone down to jar lower extreme, and lubricating oil in the lower part cavity upwards gets into the blind hole through the check valve to return the upper portion cavity by the via hole again. The steel wire rope is repeatedly shocked until the steel wire rope meets the clamping point, so that the purpose of releasing the clamping by vibration is achieved, the steel wire rope is prevented from being directly broken, the fishing success rate is improved, extra fishing workload is avoided, and the test operation cost is reduced.

Furthermore, the check valve comprises a valve seat, the valve seat is connected to the lower end of the shock rod, a valve seat channel which is communicated up and down is arranged on the valve seat, the upper end of the valve seat channel is communicated with the blind hole, the lower end of the valve seat channel is communicated with the lower cavity, a valve ball is arranged in the blind hole, and the valve ball moves up and down to plug or open the valve seat channel.

Has the beneficial effects that: the one-way valve has simple structure and convenient installation.

Furthermore, the lower end of the valve seat is provided with a through hole groove which is communicated with the valve seat channel.

Has the advantages that: lubricating oil in the upper cavity can be drained through the gap and flows back to the valve seat channel.

Furthermore, the lower end of the jar barrel is provided with a positioning seat, the positioning seat is in sealing fit with the inner wall of the jar barrel, a positioning seat through hole which is through from top to bottom is formed in the positioning seat, the positioning seat through hole is communicated with the blind hole, a plugging component used for plugging or relieving the positioning seat through hole is detachably mounted on the positioning seat, the lower end of the jar barrel is detachably connected with a lower joint, and the lower joint is fixedly supported below the positioning seat.

Has the advantages that: the positioning seat is arranged at the lower end of the jar, so that the positioning seat is in sealing fit with the inner wall of the jar, a closed lubricating oil circulation channel is formed in the jar, meanwhile, a positioning seat through hole is arranged on the positioning seat to serve as a lubricating oil filling port, and the opening is smaller, so that excessive air and dirt can be prevented from entering the circulation channel, a gap between the shock rod and the inner wall of the jar is protected, and dirt blockage in the installation process is prevented; when lubricating oil needs to be supplemented, only the lower joint needs to be disassembled, the plugging component is taken out, lubricating oil can be injected into the blind hole through the positioning seat through hole, the plugging component is installed after the injection is finished, the lower joint is connected again, the positioning seat does not need to be disassembled integrally, and the lubricating oil is very convenient to supplement. In addition, the running stroke of the lifting and lowering shock rod can be balanced, and the positioning and stabilizing effects are achieved.

Further, the plugging part is a bolt, and the bolt is screwed in the through hole of the positioning seat from bottom to top.

Has the beneficial effects that: the bolt is convenient to disassemble and assemble.

Further, the positioning seat through hole is a step through hole, the step through hole comprises an upper small-diameter section and a lower large-diameter section, and a bolt head sinks into the lower large-diameter section when the bolt is screwed in the step through hole.

Has the advantages that: the lower clutch supports the positioning seat from the lower part, and the jarring positioning seat is transmitted the jarring power to the lower clutch on to the positioning seat again when the jarring pole is down, makes the bolt head sink into the big footpath section in lower part, can make the terminal surface be in the parallel and level state under the positioning seat, all plays the guard action to positioning seat and lower clutch.

Furthermore, a lower joint through hole which is communicated up and down is formed in the lower joint, and a side through hole which is communicated with the lower joint through hole and the outer portion of the lower joint is further formed in the side face of the lower joint.

Has the advantages that: be of value to balanced jar inside and external pressure, the shock rod lifts very easily in the twinkling of an eye and drives the positioning seat and shift up, makes the positioning seat below get into the air, and the shock rod goes upward the space that lubricating oil flowed into lower part cavity and valve seat lower part and positioning seat between-process, and lubricating oil promotes the positioning seat and moves down to guarantee the location stabilizing effect of positioning seat.

Further, the jar rod includes upper extension section and lower extension section, and the department that links up of upper and lower extension section has the outside protruding circular bead of radial, and the circular bead constitutes the jarring portion, and the outer peripheral face of circular bead constitutes the sealed fitting surface.

Has the advantages that: the shock rod has simple structure, convenient processing and high overall strength.

Drawings

FIG. 1 is a schematic structural view of an embodiment 1 of the oscillating bailing device of the present invention;

FIG. 2 is a schematic structural view of the jar;

FIG. 3 is a schematic view of the construction of the jar bar;

FIG. 4 is a schematic view of the valve seat;

FIG. 5 is a schematic structural diagram of the positioning seat;

fig. 6 is a schematic structural view of the lower joint.

In the figure: 1. a jar rod; 101. a stepped blind hole; 102. a step shoulder; 103. an upper extension section; 104. a lower extension section; 105. a via hole; 106. an upper chamber; 107. a lower chamber; 108. an external threaded section; 2. a jar; 201. perforating; 202. a first seal groove; 203. a first seal ring; 204. a first barrel section; 205. a second barrel section; 206. a third barrel section; 207. a fourth barrel section; 208. a fifth barrel section; 3. a valve seat; 301. a valve seat passage; 302. a through hole slot; 4. a valve ball; 5. positioning seats; 501. a positioning seat through hole; 502. a second seal groove; 503. a second seal ring; 6. a bolt; 7. a lower joint; 701. a lower connector through hole; 702. a side through hole; 8. a throwing and fishing component.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses vibrate embodiment 1 of throwing and dragging for the ware:

as shown in fig. 1, the shock fisher includes vibrating device and salvage part 8, salvage part 8 connects the lower extreme at vibrating device, vibrating device includes jar 2, there is jar pole 1 along its axis direction movable mounting in jar 2, 2 upper ends in jar are equipped with the perforation 201 that can supply jar pole 1 to pass, perforation 201 is upwards worn out to the one end of jar pole 1, perforation 201 department is equipped with first seal groove 202, install first sealing washer 203 in the first seal groove 202, thereby make jar pole 1 and jar 2 in the sealed sliding fit in perforation 201 position.

The structure of the jar 2 is as shown in fig. 2, and comprises a first barrel section 204, a second barrel section 205, a third barrel section 206, a fourth barrel section 207 and a fifth barrel section 208 which are sequentially connected from top to bottom, wherein the inner diameter of the first barrel section 204 is larger than that of the third barrel section 206, the second barrel section 205 is a conical connection section, the inner diameter of the fourth barrel section 207 is smaller than that of the third barrel section 206, and a thread section is arranged on the fifth barrel section 208 and used for connecting the lower joint 7.

The structure of the jar rod 1 is as shown in fig. 3, and comprises an upper extension section 103 and a lower extension section 104, wherein the upper end of the upper extension section 103 is provided with an external thread section 108 for connecting a downhole tool, the diameter of the upper extension section 103 is smaller than that of the lower extension section 104, a step shoulder 102 which protrudes radially outwards is arranged at the joint of the upper extension section 103 and the lower extension section 104, and the step shoulder 102 can jar with the inner wall of the upper end of the jar 2 when the jar rod 1 moves upwards. The outer peripheral surface of the stepped shoulder 102 is in sealing sliding engagement with the inner wall of the fourth barrel section 207 of the jar 2. As shown in fig. 1, the outer diameter of the upper extension 103 of the jar 2 is smaller than the inner diameter of the jar 2 to define an upper chamber 106 with the jar 2, and the outer diameter of the lower extension 104 of the jar 2 is smaller than the inner diameter of the jar 2 to define a lower chamber 107 with the jar 2. When the jar rod 1 moves upward for a certain distance, the outer peripheral surface of the stepped shoulder 102 is separated from the inner wall of the jar 2, a gap is formed between the stepped shoulder 102 and the inner wall of the jar 2, and the lubricating oil in the upper chamber 106 is discharged along the gap.

The shock rod 1 is provided with a stepped blind hole 101 with a downward opening, and the stepped blind hole 101 is connected with a one-way valve. The check valve comprises a valve seat 3, and the valve seat 3 is connected to the lower section hole wall of the stepped blind hole 101 in a threaded mode. The structure of the valve seat 3 is as shown in fig. 4, a valve seat channel 301 which is through up and down is arranged on the valve seat 3, the upper end of the valve seat channel 301 is a flaring structure with a large upper end and a small lower end and is used for supporting the valve ball 4, the upper end of the valve seat channel 301 is communicated with the stepped blind hole 101, a through hole groove 302 is arranged at the lower end of the valve seat 3, and the through hole groove 302 is communicated with the valve seat channel 301. Valve seat 3 top is equipped with valve ball 4, and valve ball 4 is the steel ball, and valve ball 4 can move about in ladder blind hole 101, and valve seat passageway 301 is blocked when valve ball 4 is located valve seat 3, and the check valve is closed, and valve seat passageway 301 is let to be opened when valve ball 4 leaves valve seat 3, and the check valve is opened. The jar rod 1 is further provided with a through hole 105 communicating the stepped blind hole 101 with the upper chamber 106, and the lubricating oil in the stepped blind hole 101 can flow back into the upper chamber 106 through the through hole 105. The upper chamber 106, the lower chamber 107, the through hole groove 302, the valve seat passage 301, the stepped blind hole 101, and the through hole 105 collectively form a lubricating oil circulation passage.

A positioning seat 5 is arranged at the lower position in the jar 2, the positioning seat 5 can stop and position the downward movement of the jar 1, the jar 1 drives the valve seat 3 to move together, and the jar 1 stops moving downward when moving to the positioning seat 5. The positioning seat 5 is structured as shown in fig. 5, a second sealing groove 502 is provided at a fixed position, a second sealing ring 503 is installed in the second sealing groove 502, and the second sealing ring 503 is compressed between the jar 2 and the positioning seat 5, so that the positioning seat 5 is in sealing fit with the inner wall of the jar 2. A positioning seat through hole 501 which is through up and down is arranged on the positioning seat 5, and a bolt 6 is arranged in the positioning seat through hole 501 from bottom to top. The positioning seat through hole 501 is a stepped through hole and includes an upper small-diameter section and a lower large-diameter section, and a bolt head of the bolt 6 is sunk into the lower large-diameter section when the bolt is screwed into the stepped through hole. When the bolt 6 is taken out, lubricating oil can be injected into the oscillating device through the positioning seat through hole 501, the positioning seat through hole is smaller as a lubricating oil injection port, and therefore excessive air and dirt can be prevented from entering a circulating channel, the gap between the inner wall of the shock rod 1 and the inner wall of the shock cylinder 2 is protected, the dirt in the installation process is prevented from being blocked, and meanwhile lubricating oil is convenient to supplement.

A lower joint 7 is arranged below the positioning seat 5, the lower joint 7 is in threaded connection with the lower end of the jar 2, and the lower joint 7 supports and positions the positioning seat 5 from the lower part. The structure of the lower joint 7 is as shown in fig. 6, a lower joint through hole 701 which is through from top to bottom is formed in the lower joint 7, and a side through hole 702 which is through between the lower joint through hole 701 and the outside of the lower joint 7 is further formed in the side of the lower joint 7. Through setting up lower clutch through-hole 701 and side through-hole 702 and being of value to balanced jar 2 inside and external pressure, the shock rod 1 lifts very easily in the twinkling of an eye and drives positioning seat 5 and shift up, makes the positioning seat below get into the air, and the shock rod 1 goes upward the in-process lubricating oil and flows into the space between lower part cavity and disk seat lower part and the positioning seat, and lubricating oil promotes positioning seat 5 and shifts down to guarantee positioning 5's location stabilizing effect. The lower segment hole wall of the lower joint through hole 701 is provided with a thread section for connecting the casting and fishing component 8.

Before going into the pit, assemble oscillating device, concrete step is: putting a valve ball 4 into a stepped blind hole 101 of a jar rod 1, connecting a valve seat 3 to the lower end of the jar rod 1, and then putting the jar rod 1 and the valve seat 3 into a jar 2 together to enable one end of the jar rod 1 to penetrate out of the jar 2; putting the positioning seat 5, pouring lubricating oil, wherein the lubricating oil sequentially enters the stepped blind hole 101 of the jar rod 1 through a channel of the positioning seat 5, a through hole groove 302 at the lower part of the valve seat 3 and a channel 301 of the valve seat, and enters an upper cavity 106 between the jar rod 1 and the jar 2 through a through hole 105; the valve ball 4 is seated in the valve seat 3, the lubricating oil in the valve seat channel 301 is recovered, and then the bolt 6 is screwed into the positioning seat through hole 501 to connect the lower joint 7.

During field construction, the upper end of the shock rod 1 is connected with a downhole tool, the lower end of the lower connector 7 is connected with a casting and fishing component 8, the lower end of the lower connector is placed into a well along with the downhole tool, the downhole tool is slowly lifted up when a blanking plug is cast by the casting and fishing component 8, the one-way valve is in a closed state in the process, negative pressure is formed in the lower cavity 107, the shock rod 1 slowly moves upwards until the peripheral surface of the stepped shoulder 102 leaves the inner wall of the shock barrel 2, lubricating oil in the upper cavity 106 leaks along a gap between the stepped shoulder 102 and the inner wall of the shock barrel 2, the downhole tool is continuously lifted upwards, the lubricating oil flows into the lower cavity 107, a space between the lower part of the valve seat 3 and the positioning seat 5 and the valve seat channel 301, and when the lifting force is greater than the pressure acting on the shock rod 1, the shock rod 1 quickly moves upwards and generates shock with the upper part of the shock barrel 2; and (3) lowering a downhole tool after the shock, driving the valve seat 3 to descend to the positioning seat 5 by the aid of the downhole tool and the dead weight of the shock rod 1, enabling lubricating oil to upwards jack the valve ball 4 in the process, entering the stepped blind hole 101 of the shock rod 1 and flowing back to the upper cavity 106 through the through hole 105. The jolting is repeated until the blanking plug is loosened, so as to achieve the aim of releasing the jam by vibration.

The utility model discloses vibrate and throw and drag for the ware and reach the purpose that shakes the unfreezing through jarring repeatedly, alright take out the blanking plug smoothly after the unfreezing, can avoid directly pulling out disconnected wire rope, can not increase the fishing operation, improved and thrown and drag for the success rate, ensure the test construction continuity, reduce test operation expense. Vibrate and throw and drag for ware repeatedly usable, when needs supplementary lubricating oil, only need pull down lower clutch 7 and bolt 6 down, then inject lubricating oil into in to ladder blind hole 101 through positioning seat through-hole 501, after the injection end again with bolt 6 and lower clutch 7 dress can, needn't wholly pull down positioning seat 5, the operation is very convenient.

Example 2: in the embodiment 1, the valve ball is a steel ball, the valve seat channel is blocked by the aid of the dead weight of the valve ball, and the check valve can be opened by pushing the steel ball open when the buoyancy of the lubricating oil to the steel ball exceeds the dead weight of the steel ball.

Example 3: the difference with embodiment 1 lies in, does not set up the positioning seat through-hole on the positioning seat, and the positioning seat only separates between disk seat and lower clutch, directly strikes the lower clutch when avoiding jarring pole and disk seat to descend, need tear the positioning seat off from the jar when replenishing lubricating oil, packs into the positioning seat again after filling lubricating oil.

Example 4: the difference with embodiment 1 lies in, does not set up the positioning seat, directly seals jar lower extreme through the lower clutch, and the lower clutch upper end is enclosed construction, directly pours into lubricating oil into the ball seat during installation, connects the lower clutch again, and the space is unavoidable between ball seat passageway and the lower clutch this moment and gets into the air, probably leads to the jar pole to lift or down the difficulty.

Example 5: the difference from the embodiment 1 is that a rubber plug is used as a blocking component to block the positioning seat through hole.

Example 6: the difference from the embodiment 1 is that the diameters of all parts of the through hole of the positioning seat are the same, and the bolt head protrudes out of the lower end face of the positioning seat after the bolt rotates in the through hole of the positioning seat.

Example 7: in above-mentioned embodiment 1, the last extension of jar pole, lower extension and ladder circular bead integrated into one piece, the bulk strength of jar pole is higher, the ladder circular bead cooperates with jar section of thick bamboo upper portion as the jarring portion and carries out the jarring, the crashworthiness of ladder circular bead is better, the outer peripheral face of ladder circular bead is as being used for the fitting surface with the sealed sliding fit of the part inner tube wall of jar, and in this embodiment, be provided with the screw thread section in jar pole outside, be connected with the jar ring as jar portion on the screw thread section, the jar ring cooperates with jar section of thick bamboo upper portion and carries out the jarring when jar pole goes upward, the outer peripheral face of jar ring is as being used for the fitting surface with the sealed sliding fit of the part inner tube wall of jar section of thick bamboo.

The utility model also provides an embodiment of oscillation device, its concrete structure is the same with the structure of oscillation device in each embodiment of the above-mentioned oscillation ware of throwing and dragging for, and here is no longer repeated.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. An oscillating device, characterized in that: the shock tube comprises a shock tube (2), the lower end of the shock tube (2) is closed, a shock rod (1) is movably installed in the shock tube (2) along the axis direction of the shock tube, a through hole (201) for the shock rod (1) to pass through is formed in the upper end of the shock tube (2), one end of the shock rod (1) upwards penetrates through the through hole (201), the shock rod (1) and the shock tube (2) are in sealing sliding fit at the through hole (201), the shock rod (1) is provided with a shock part for carrying out shock in cooperation with the upper part of the shock tube (2) and a sealing matching surface for sealing sliding fit with the partial inner tube wall of the shock tube (2), a cavity (106) is formed by enclosing the part above the sealing matching surface of the shock rod (1) and the shock tube (2), a cavity (107) is formed by enclosing the part below the sealing matching surface of the shock rod (1) and the shock tube (2), an opening end of the shock rod (1) facing downwards is arranged on the shock rod (1), the cavity (107) is communicated with the cavity (107), the lower end of the shock rod (1) can be connected with a one-way valve (107) which enables lubricating oil to enter the one-way cavity (107) from bottom to the top through hole (107), and the one-way through hole (105) of the one-way valve (1) in the lower part of the shock tube (1).

2. The oscillating device of claim 1, wherein: the check valve comprises a valve seat (3), the valve seat (3) is connected to the lower end of the shock rod (1), a valve seat channel (301) which is communicated with the upper portion and the lower portion is arranged on the valve seat (3), the upper end of the valve seat channel (301) is communicated with a blind hole, the lower end of the valve seat channel is communicated with a lower portion chamber (107), a valve ball (4) is installed in the blind hole, and the valve ball (4) moves up and down to seal or give way the valve seat channel (301).

3. The oscillating device of claim 2, wherein: the lower end of the valve seat (3) is provided with a through hole groove (302), and the through hole groove (302) is communicated with the valve seat channel (301).

4. The oscillation apparatus of any one of claims 1 to 3, wherein: a jar (2) lower extreme is equipped with positioning seat (5), positioning seat (5) and jar a jar (2) inner wall seal fit, positioning seat through-hole (501) that link up from top to bottom are equipped with on positioning seat (5), positioning seat through-hole (501) and blind hole intercommunication, removable mounting is used for the shutoff or lets out the shutoff part of positioning seat through-hole (501) on positioning seat (5), jar (2) lower extreme releasable connection has lower clutch (7), lower clutch (7) fixed stay is in positioning seat (5) below.

5. The oscillation apparatus of claim 4, wherein: the plugging component is a bolt (6), and the bolt (6) is screwed in the positioning seat through hole (501) from bottom to top.

6. The oscillation apparatus of claim 4, wherein: the positioning seat through hole (501) is a stepped through hole which comprises an upper small-diameter section and a lower large-diameter section, and a bolt head sinks into the lower large-diameter section when the bolt (6) is screwed in the stepped through hole.

7. The oscillation apparatus of claim 4, wherein: the lower joint (7) is provided with a lower joint through hole (701) which is communicated up and down, and the side surface of the lower joint (7) is also provided with a side surface through hole (702) which is communicated with the lower joint through hole (701) and the outside of the lower joint (7).

8. The oscillation apparatus of any one of claims 1 to 3, wherein: the shock rod (1) comprises an upper extension section (103) and a lower extension section (104), wherein a shoulder which protrudes outwards in the radial direction is arranged at the joint of the upper extension section and the lower extension section (104), the shoulder forms the shock part, and the outer peripheral surface of the shoulder forms the sealing matching surface.

9. Shake ware of throwing and dragging for, its characterized in that: comprises a throwing and fishing component (8), the upper end of the throwing and fishing component (8) is connected with a vibration device, and the vibration device is the vibration device according to any one of claims 1 to 8.

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