CN109653693A - Trigger holding mechanism - Google Patents
Trigger holding mechanism Download PDFInfo
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- CN109653693A CN109653693A CN201910078582.8A CN201910078582A CN109653693A CN 109653693 A CN109653693 A CN 109653693A CN 201910078582 A CN201910078582 A CN 201910078582A CN 109653693 A CN109653693 A CN 109653693A
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- Prior art keywords
- locking part
- holding mechanism
- trigger unit
- energy storage
- triggering
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- 230000007246 mechanism Effects 0.000 title claims abstract description 65
- 238000004146 energy storage Methods 0.000 claims abstract description 74
- 239000011159 matrix material Substances 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000012856 packing Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000002343 natural gas well Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001960 triggered effect Effects 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The present invention relates to natural gas technical field of petroleum extraction, disclose a kind of triggering holding mechanism.Triggering holding mechanism provided in an embodiment of the present invention drives the execution of the action actuating mechanism completion predetermined action of downhole tool at work in the energy for only needing to drive trigger unit that locking part is driven to overcome the elastic force of the second elastic energy storage part that the first elastic energy storage part can be made to reset and discharge its storage.Driving trigger unit drives locking part to overcome energy very little required for the elastic force of the second elastic energy storage part, therefore trigger unit movement can be driven by low power electric power source.Low power electric power source is small in size, to realize that its reliable seals with steady operation in underground is to be relatively easy to.It can also be moved by slight ram drive trigger unit, so that the triggering holding mechanism can also make the execution of the downhole tool completion predetermined action of low speed downlink.
Description
Technical field
The present invention relates to natural gas technical field of petroleum extraction more particularly to a kind of triggering for downhole tool to keep machine
Structure.
Background technique
The downhole tool of some oil/gas wells after transferring to underground, need to execute a series of actions in underground with complete its
The work of underground.In order to execute movement in underground, downhole tool is needed to carry power source.Due to the limit of downhole tool own vol
System, downhole tool carry powerful electric power source and directly drive the scheme of downhole tool execution movement in realization in the presence of tired
It is difficult.In addition, subsurface environment has the characteristics that high temperature, high pressure and coexistence of gas and liquid, to realize powerful electric power source in underground
It is reliable sealing and steady operation exist very big challenge.
In order to evade the above problem, some downhole tools are provided with impact member, in downhole tool along the mistake of hoistway downlink
What is be arranged in Cheng Zhong, impact member and hoistway is knocked component collision, drives downhole tool using the impact energy generated is hit
Execute movement.But when downhole tool is with lower speed downlink, the impact energy for hitting generation will be not enough to drive underground
The execution of tool completion predetermined action.Due to the resistance of fluid or the angle of hoistway in the friction of downhole tool and hoistway, hoistway
Etc. reasons, leading to downhole tool low speed downlink is a kind of relatively conventional operating condition.
Summary of the invention
The purpose of the present invention is to provide a kind of triggering holding mechanism, the triggering holding mechanism is without carrying high-power electricity
Under the premise of power power source, enough energy can be provided for downhole tool so that its execution for completing predetermined action, and the touching
The suitable downhole tool that can also make low speed downlink of hair holding mechanism completes the execution of predetermined action.
The embodiment of the present invention is achieved through the following technical solutions:
Trigger holding mechanism, comprising: matrix offers service aisle in described matrix；Work department, the work department setting
In the service aisle and it is being configured to move between the first holding position and the second holding position along the service aisle；
First elastic energy storage part, the first elastic energy storage part act on the work department and being configured to make the work department have to
The trend of the second holding position movement；Positioning region, the positioning region are arranged in the service aisle；Locking part, it is described
Locking part is movably disposed in the work department, and the locking part is configured in the locking bit in conjunction with the positioning region
Set and with the position portion from unlocked position between move；Second elastic energy storage part, the second elastic energy storage part are made
For the locking part and it is configured to that the locking part is made to have the trend moved to the latched position；It is arranged in the lock
Auxiliary section in stop or with locking part linkage；And trigger unit, the trigger unit are configured to along the service aisle
The auxiliary section cooperation trigger position and with the mating part from position of readiness between move；Wherein, the touching
Hair holding mechanism is configured to be moved to first from second holding position by the power of the first preset direction in the work department
During holding position, the locking part moves to the latched position and in conjunction with the positioning region with by the work department
Maintain first holding position；The triggering holding mechanism is configured in the working position in first holding position
It sets and during the trigger unit is moved to the trigger position from the position of readiness by the power of the second preset direction, it is described
Trigger unit, which matches to merge with the auxiliary section, drives the locking part to move to the unlocked position from the latched position；Described
One preset direction and second preset direction are opposite.
Further, the triggering holding mechanism further includes third elastic energy storage part, the third elastic energy storage part effect
In the trigger unit and it is configured to that the trigger unit is made to have the trend moved to the position of readiness.
Further, the triggering holding mechanism further includes the first forced section connecting with the work department；When the work
When making portion and being located at second holding position, first forced section is configured to be at least partially disposed at outside described matrix to connect
Receive the power of first preset direction.
Further, the triggering holding mechanism further includes the second forced section connecting with the trigger unit；When the touching
Hair portion is located at the position of readiness and the working position when first holding position, and second forced section is configured to
It is at least partially disposed at the power that second preset direction is received outside described matrix.
Further, the trigger unit is configured to move synchronously in the position of readiness with the work department；Work as institute
Working position is stated when second holding position, second forced section is configured to be retracted in described matrix.
Further, the positioning region includes the slot being provided on the service aisle peripheral wall；The locking part is constructed
To be inserted into the positioning region in the latched position, the locking part is configured in the unlocked position described in disengaging
Positioning region.
Further, receiving hole is offered in the locking part；One end of the auxiliary section and the work department can be rotated
Ground cooperation, the other end of the auxiliary section are inserted into the receiving hole and are configured to the hole wall of the receiving hole slideably
Cooperation；The working position in first holding position and the trigger unit by the second preset direction power from described standby
During position moves to the trigger position, the auxiliary section be configured under the drive of the trigger unit rotation to
The locking part is driven to move to the unlocked position.
Further, working hole is offered in the work department, the working hole is along the latched position to the unlock
The direction of position extends；The locking part is slidably disposed in the working hole.
Further, the second elastic energy storage part is arranged in the working hole, and is set in the locking part.
Further, the pressure relief opening of perforation is offered in the locking part.
Technical solution of the present invention is at least had the following advantages and beneficial effects:
Triggering holding mechanism provided in an embodiment of the present invention for being mounted on downhole tool, work department and downhole tool
Action actuating mechanism linkage.Work department is during moving to the first holding mechanism from the second holding mechanism, the first elasticity storage
It can part generation deformation and energy storage.When the first elastic energy storage part resets and discharges the energy of its storage, the first elastic energy storage part band
Dynamic work department moves to the second holding position from the first holding position, and then it is pre- to drive the action actuating mechanism of downhole tool to complete
Surely the execution acted.First elastic energy storage part can store biggish energy, it is sufficient to drive the action actuating mechanism of downhole tool
Complete the execution of predetermined action.The energy storage of the first elastic energy storage part can be realized before going into the well or in well head, reach in downhole tool
To after the predeterminated position of underground, trigger unit moves to trigger position from position of readiness, by the cooperation of trigger unit and auxiliary section, drives
Locking part overcomes the elastic force of the second elastic energy storage part to move to unlocked position from latched position, and the first elastic energy storage part is multiple at this time
Position and the energy for discharging its storage.Therefore, triggering holding mechanism provided in an embodiment of the present invention is only needing to drive at work
Trigger unit drives locking part to overcome the elastic force of the second elastic energy storage part that the first elastic energy storage part can be made to reset and discharge it and deposits
The energy of storage, and then drive the execution of the action actuating mechanism completion predetermined action of downhole tool.Trigger unit is driven to drive locking
Portion overcomes energy very little required for the elastic force of the second elastic energy storage part, therefore can be driven by low power electric power source
Dynamic trigger unit movement.Low power electric power source is small in size, to realize its underground it is reliable sealing and steady operation be compared with
It is easy.It can also be moved by slight ram drive trigger unit, so that the triggering holding mechanism can also make under low speed
Capable downhole tool completes the execution of predetermined action.
Detailed description of the invention
For the clearer technical solution for illustrating the embodiment of the present invention, below to needing attached drawing to be used to make in embodiment
It is simple to introduce.It should be appreciated that the following drawings illustrates only certain embodiments of the invention, it is not construed as to model of the present invention
The limitation enclosed.To those skilled in the art, without creative efforts, it can obtain according to these attached drawings
Obtain other accompanying drawings.
Structure of working position when the first holding position in the triggering holding mechanism that Fig. 1 provides for the embodiment of the present invention 1
Schematic diagram；
Working position is in the first holding position and trigger unit in the triggering holding mechanism that Fig. 2 provides for the embodiment of the present invention 1
Structural schematic diagram when positioned at trigger position；
Structure of working position when the second holding position in the triggering holding mechanism that Fig. 3 provides for the embodiment of the present invention 1
Schematic diagram；
Fig. 4 is state diagram when lock piece is in lock position in the downhole tool that provides of the embodiment of the present invention 2；
Fig. 5 is state diagram when lock piece is in lockset position of coupler in the downhole tool that provides of the embodiment of the present invention 2.
In figure: 01- downhole tool；010- triggers holding mechanism；020- plunger；110- matrix；111- service aisle；120-
Work department；121- large diameter hole；122- small diameter bore；123- triggers hole；124- mounting hole；125- support ring；The first bullet of 130-
Property energy storing members；The positioning region 140-；150- locking part；151- enlarged diameter section；152- reduced diameter section；153- receiving hole；154- pressure release
Mouthful；160- the second elastic energy storage part；The auxiliary section 170-；180- trigger unit；The first forced section of 190-；The second forced section of 200-；
201- baffle ring；210- third elastic energy storage part；310- core pipe；320- insulates piece；340- guide post；350- limiting section；360- lock
Stop member.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing, to the present invention
Technical solution in embodiment carries out clear, complete description.Obviously, described embodiment is that a part of the invention is implemented
Example, instead of all the embodiments.
Therefore, the model of claimed invention is not intended to limit to the detailed description of the embodiment of the present invention below
It encloses, but is merely representative of section Example of the invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature and technology in embodiment and embodiment in the present invention
Scheme can be combined with each other.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Set relationship or orientation or positional relationship that those skilled in the art usually understand, this kind of term is merely for convenience of describing
The present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
In description of the invention, " oil/gas well " can refer to oil well, can also refer to the natural gas well.When " oil/gas well " is natural
When gas well, the natural gas well for acquiring conventional gas can be, be also possible to for acquiring Unconventional gas (shale
Gas, coal bed gas etc.) the natural gas well.
Embodiment 1:
Fig. 1 is the structure provided in this embodiment triggered when work department 120 in holding mechanism 010 is located at the first holding position
Schematic diagram；Fig. 2 is that work department 120 is located at the first holding position and trigger unit in triggering holding mechanism 010 provided in this embodiment
180 are located at structural schematic diagram when trigger position；Fig. 3 is work department 120 in triggering holding mechanism 010 provided in this embodiment
Structural schematic diagram when the second holding position.Incorporated by reference to referring to FIG. 1, FIG. 2 and FIG. 3, triggering holding machine provided in this embodiment
Structure 010 includes matrix 110, work department 120, the first elastic energy storage part 130, positioning region 140, locking part 150, the second elastic energy storage
Part 160, auxiliary section 170 and trigger unit 180.
Matrix 110 is tubular, and matrix 110 limits a service aisle 111 extended along the direction AB.Service aisle 111 is cut
Face shape is circle.Work department 120 be it is cylindric, the outer peripheral surface of work department 120 can be with the inner peripheral surface phase contract of service aisle 111
It closes, work department 120 can be along the setting that the direction AB is slided in service aisle 111.In the present embodiment, the first elastic energy storage part
130 and second elastic energy storage part 160 be spring.It should be understood that in other embodiments, the first elastic energy storage part 130
It can be the elastic energy storage part of other forms, such as flexible rubber parts with the second elastic energy storage part 160.First elasticity storage
Energy part 130 is arranged in service aisle 111.The inner wall of end of first elastic energy storage part, 130 one end and service aisle 111 against,
The other end of first elastic energy storage part 130 and work department 120 against.When work department 120 is moved along the direction A (the first preset direction)
When, the first elastic energy storage part 130 is by compressed energy-storage.When the release of the first elastic energy storage part 130, its energy extension stored resets,
First elastic energy storage part 130 drives work department 120 to move along the direction B (the second preset direction).It should be understood that in other implementations
In mode, the first elastic energy storage part 130 can be configured as the energy storage that is stretched when work department 120 is moved along the direction A, and receive
Work department 120 is driven to move along the direction B when contracting resets.
Positioning region 140 is arranged in service aisle 111, and locking part 150 is mobilizable to be arranged in work department 120.Positioning
The position in portion 140 is fixed, and locking part 150 is moved with work department 120 along the direction AB.Locking part 150 can also be relative to work department
120 move between latched position (position as shown in Figure 1) and unlocked position (position shown in Fig. 2).Second elasticity
Energy storing members 160 apply elastic force to locking part 150, and locking part 150 is made to have the trend moved to latched position always.In this reality
It applies in example, the second elastic energy storage part 160 is vertical with the direction AB to the direction for the elastic force that locking part 150 applies.In other implementations
In mode, the second elastic energy storage part 160 can apply the power in other directions to locking part 150.Positioning region 140 and locking part 150
It is configured to be combined with each other or be separated from each other.When work department 120 is located at the first holding position, positioning region 140 and locking
Portion 150 be combined with each other, so that work department 120 be made to be maintained at the first holding position.When positioning region 140 and locking part 150 are mutually divided
From when, work department 120 moves to the second holding position under the drive of the first elastic energy storage part 130.Positioning region 140 and locking part
150 can select various structures, and in the present embodiment, positioning region 140 is the slot being provided on 111 peripheral wall of service aisle.Locking
Portion 150 is inserted into positioning region 140 to reach latched position, and locking part 150 is detached from positioning region 140 to reach unlocked position.At this
In embodiment, locking part 150 is cylindrical-shaped structure, and the axis of locking part 150 is vertical with the direction AB.Locking part 150 includes mutual
The enlarged diameter section 151 being relatively large in diameter and the lesser reduced diameter section 152 of diameter of connection.It offers in work department 120 and mutually interconnects
The biggish large diameter hole 121 of logical internal diameter and the lesser small diameter bore 122 of internal diameter, large diameter hole 121 and small diameter bore 122 are common
Constitute working hole.Large diameter hole 121 and small diameter bore 122 are collectively formed along the direction vertical with the direction AB through positioning region 140
Channel.Enlarged diameter section 151 is slidably engaged with large diameter hole 121, and reduced diameter section 152 and small diameter bore 122 are slideably
Cooperation.Second elastic energy storage part 160 is set on reduced diameter section 152, one end of the second elastic energy storage part 160 and enlarged diameter section
151 are resisted against large diameter hole 121 and small straight against, the other end of the second elastic energy storage part 160 close to the end face of reduced diameter section 152
Step surface between diameter hole 122.During locking part 150 is moved from latched position to unlocked position, the second elastic energy storage
Part 160 is compressed.
Work department 120 offers the triggering hole 123 extended along the direction B close to the end face of the first elastic energy storage part 130.Triggering
Portion 180 is slidably disposed in triggering hole 123, and along triggering hole 123 in position of readiness (Fig. 1 and position shown in Fig. 3) and
Trigger position moves between (position shown in Fig. 2).During trigger unit 180 moves to trigger position from position of readiness,
Trigger unit 180 and auxiliary section 170 cooperate, and locking part 150 is driven to move to unlocked position from latched position.Trigger unit 180 with
Cooperation between auxiliary section 170 can be diversified.Such as auxiliary section 170 can be set in locking part 150 and become
A part of locking part 150, auxiliary section 170 is an inclined-plane in locking part 150, when locking part 150 and 170 inclined-plane of auxiliary section
When cooperation, locking part 150 can drive locking part 150 to move to unlocked position from latched position by auxiliary section 170.In this reality
It applies in example, auxiliary section 170 is the swing arm of strip.The strip extended along the direction A is offered on the hole wall of small diameter bore 122
Mounting hole 124.Mounting hole 124 is connected to triggering hole 123.Receiving hole 153 is offered on reduced diameter section 152.Auxiliary section 170
One end insertion receiving hole 153 in, and slidably engaged with the hole wall of receiving hole 153.The other end of auxiliary section 170 is inserted into
It is rotatably engaged in mounting hole 124 and with work department 120.When locking part 150 is located at latched position, the one of auxiliary section 170
Part enters in triggering hole 123.During trigger unit 180 moves to trigger position from position of readiness, trigger unit 180 with
Auxiliary section 170 is located at the position in triggering hole 123 against promotion auxiliary section 170 turns along the direction of latched position to unlocked position
It is dynamic, and then auxiliary section 170 drives locking part 150 to move to unlocked position from latched position.
Triggering holding mechanism 010 provided in this embodiment is for being mounted on downhole tool, and work department 120 and underground
The action actuating mechanism of tool links.During the work time, work department 120 is transported by the power in the direction A from the second holding position first
It moves to the first holding position, the first elastic energy storage part 130 is by compressed energy-storage.When work department 120 reaches the first holding position,
Under the drive of second elastic energy storage part 160, locking part 150 enters positioning region 140, so that work department 120 is maintained the first guarantor
Hold position.When the action actuating mechanism for needing downhole tool executes predetermined action, auxiliary section 170 by the direction B power from standby
Position moves to trigger position.During trigger unit 180 moves to trigger position from position of readiness, trigger unit 180 with match
Conjunction portion 170 be located at triggering hole 123 in position against, push auxiliary section 170 along latched position to unlocked position direction rotate,
And then auxiliary section 170 drives locking part 150 to move to unlocked position from latched position.Positioning region 140 is detached from locking part 150
When, the first elastic energy storage part 130, which is upheld, to be resetted, and the energy of its storage is discharged.Under the drive of the first elastic energy storage part 130, work
Make portion 120 and move to the second holding position from the first holding position, and then it is pre- to drive the action actuating mechanism of downhole tool to execute
Fixed movement.
First elastic energy storage part 130 can store biggish energy, it is sufficient to drive the action actuating mechanism of downhole tool complete
At the execution of predetermined action.It is default can to reach underground in downhole tool in the energy storage of well head the first elastic energy storage part 130 of realization
Behind position, driving trigger unit 180 moves to trigger position from position of readiness.Triggering holding mechanism 010 provided in this embodiment exists
It is only needing to drive trigger unit 180 that locking part 150 is driven to overcome the elastic force of the second elastic energy storage part 160 and rub a little in work
The energy that power can be such that the first elastic energy storage part 130 resets and discharge its storage is wiped, and then the movement of downhole tool is driven to execute
The execution of mechanism completion predetermined action.The driving drive of trigger unit 180 locking part 150 overcomes the elasticity of the second elastic energy storage part 160
Energy very little required for power, therefore trigger unit 180 can be driven to move by low power electric power source.Low power electricity
Power power source is small in size, to realize that its reliable seals with steady operation in underground is to be relatively easy to.It can also be by slight
Ram drive trigger unit 180 move so that the downhole tool of low speed downlink can also be made to complete is pre- for the triggering holding mechanism 010
Surely the execution acted.
It is to be moved by ram drive trigger unit 180 in triggering holding mechanism 010 provided in this embodiment.Triggering is protected
Holding mechanism 010 further includes the second forced section 200, and the second forced section 200 is the rod-like members extended along the direction AB.Second forced section
200, which slidably extend through matrix 110, connect into triggering hole 123 with trigger unit 180.When work department 120 is located at the first holding position
It sets and when trigger unit 180 is located at position of readiness, the part of the second forced section 200 is located at outside matrix 110.When triggering holding mechanism
010 when moving to underground predetermined position with downhole tool, and the second forced section 200 is collided with the device being set in advance in well, into
And trigger unit 180 is driven to move to trigger position along the direction B relative to work department 120.
After trigger unit 180 reaches trigger position, therefore, to assure that trigger unit 180 returns to position of readiness, to avoid trigger unit
180 can not the case where can not the reaching latched position generation of locking part 150 caused by return.In most cases, along the direction B
After driving force disappears, trigger unit 180 can return to position of readiness under gravity.In the present embodiment, pass through third bullet
Property energy storing members 210 ensure that trigger unit 180 can return to position of readiness.Third elastic energy storage part 210 can be flexible rubber
Glue part is made of other elastic materials.Third elastic energy storage part 210 is spring, third elastic energy storage part in the present embodiment
210 are set on the second forced section 200.The baffle ring 201 projected radially outward is provided on second forced section 200.Baffle ring 201
In service aisle 111 and it is located at outside triggering hole 123.One end of third elastic energy storage part 210 and baffle ring 201 are against third bullet
Property energy storing members 210 the other end and work department 120 against.When work department 120, which is located at first, maintains position, third elastic energy storage
Part 210 applies the power in the direction A to baffle ring 201, so that trigger unit 180 has the trend moved to position of readiness.Along the direction B
Under the action of driving force, trigger unit 180 moves to trigger position from position of readiness, after the disappearance of the driving force in the direction B, the
Under the action of three elastic energy storage parts 210, trigger unit 180 returns to position of readiness.
It can be in the driving device of well head setting manpower, electric power or hydraulic coupling or air pressure power drive, for being kept in triggering
Mechanism 010 applies the power in the direction A to work department 120 when reaching well head, work department 120 is made to move to first from the second holding position
Holding position, to make the 130 deformation energy storage of the first elastic energy storage part.In the present embodiment, by triggering 010 uplink of holding mechanism
When to well head and the components hit of well head drives work department 120 to move to the first holding position from the second holding position.Specifically,
Triggering holding mechanism 010 further includes the first forced section 190.First forced section 190 is the rod-like members extended along the direction AB, first
Forced section 190 is connect with work department 120.When work department 120, which is located at second, maintains position, the first forced section 190 extend out to base
Outside body 110.When triggering the arrival well head of holding mechanism 010, the device of the first forced section 190 and well head is hit, generation
Energy drives the first forced section 190 to move relative to matrix 110 along the direction A, and then drives work department 120 from the second holding position
Move to the first holding position.
Further, in the present embodiment, it triggers in hole 123 and is provided with radially inwardly projecting support ring 125.It is working
During portion 120 moves to the second holding position from the first holding position, support ring 125 prevents trigger unit 180 from being detached from triggering
Hole 123, and trigger unit 180 is driven to move with work department 120 along the direction B.In such manner, it is possible to which work department 120 is avoided to keep from second
During position is moved to the first holding position, trigger unit 180 cannot be introduced into the case where triggering hole 123 generation.Further,
When work department 120 is located at the second holding position, the second forced section 200 is retracted in matrix 110, so avoids the second forced section
200 malfunction.
Further, in the present embodiment, pressure relief opening 154 is offered in locking part 150.Pressure relief opening 154 is along locking part 150
Axis direction run through locking part 150.After triggering holding mechanism 010 enters underground, gas or liquid in well can be into
Enter to trigger inside holding mechanism 010.When trigger holding mechanism 010 in gas or liquid accumulation in positioning region 140 when, formed
Pressure, which is likely to result in locking part 150, cannot be introduced into positioning region 140 to reach latched position.After pressure relief opening 154 is set, locking
The gas or liquid assembled during portion 150 is moved from unlocked position to latched position, in positioning region 140 can pass through pressure release
Mouth 154 is expelled to outside positioning region 140, and then ensures that locking part 150 can smoothly enter into positioning region 140 and reach latched position.
Embodiment 2:
Fig. 4 is in state diagram when lock position for lock piece 360 in downhole tool 01 provided in this embodiment；Fig. 5 is
State diagram when lock piece 360 is in lockset position of coupler in downhole tool 01 provided in this embodiment.Incorporated by reference to referring to Fig. 4 and Fig. 5,
The present embodiment provides a kind of downhole tools 01.Downhole tool 01 includes the triggering holding mechanism 010 recorded in embodiment 1.Underground
Tool 01 further includes plunger 020.Plunger 020 include core pipe 310, packing piece 320, elastic component (not shown go out), guide post 340,
Limiting section 350 and lock piece 360.
Core pipe 310 extends along the direction AB.Multiple packing pieces 320 arrange that packing piece 320 can be in radial direction around core pipe 310
It is moved back and forth on direction.Elastic component acts on packing piece 320, and packing piece 320 is made to have the trend radially moved out.
Guide post 340 radially runs through the tube wall of core pipe 310, and guide post 340 is located at one end and packing piece 320 outside core pipe 310
Connection, one end that guide post 340 is located in core pipe 310 is connected with limiting section 350.Lock piece 360 is arranged in core pipe 310.When
Limit gap is formed during insulating 320 radial inward movement of piece, between limiting section 350 and the inner wall of core pipe 310.Elastic component
For spring, be set in guide post 340, and the both ends of elastic component respectively with core pipe 310 and packing piece 320 against.
In the service aisle 111 opened up on one end insertion matrix 110 of core pipe 310, core pipe 310 and 110 screw thread of matrix connect
It connects.First forced section 190 extend into core pipe 310 and connect with lock piece 360.Position is maintained when work department 120 is located at second
When, the first forced section 190 is extend out to outside core pipe 310.Work department 120 moves between the first maintenance position and the second maintenance position
During, drive lock piece 360 to move between lock position and lockset position of coupler by the first forced section 190.Lock piece 360
It is configured to insulate 320 radial outward movement of piece, lock piece 360 in insertion limit gap when moving to lock position with prevention
It is configured to be detached from limit gap when moving to lockset position of coupler.
The diameter of the well head pipeline of oil/gas well is less than the diameter of hoistway.When downhole tool 01 is gone upward in well head pipeline,
320 radial inward movement of piece is insulated, forms limit gap between limiting section 350 and the inner wall of core pipe 310.With downhole tool 01
Continue up, the first forced section 190 is hit at the top of well head pipeline, raw energy drive the first forced section 190 relative to
Matrix 110 is moved along the direction A, and then work department 120 is driven to move to the first holding position from the second holding position, drives locking
Part 360 moves to lock position from lockset position of coupler.At this point, by the combination of positioning region 140 and locking part 150 by work department 120
It is maintained at the first holding position, and then lock piece 360 is maintained at lock position, and then packing piece 320 is prevented radially outward to expand
?.In such manner, it is possible to ensure that 01 fast downlink of downhole tool to shaft bottom, or makes downhole tool 01 come downwards to well under the state of driving a well
Bottom.After downhole tool 01 comes downwards to shaft bottom, the second forced section 200 is collided with the device that shaft bottom is arranged in, and auxiliary section 170 is by B
The power in direction moves to trigger position from position of readiness.During auxiliary section 170 moves to trigger position from position of readiness,
Trigger unit 180 and auxiliary section 170 are located at the position in triggering hole 123 against promotion auxiliary section 170 is along latched position to Xie Suowei
The direction rotation set, and then auxiliary section 170 drives locking part 150 to move to unlocked position from latched position.It is de- in locking part 150
When from positioning region 140, the first elastic energy storage part 130, which is upheld, to be resetted, and discharges the energy of its storage.In the first elastic energy storage part 130
Drive under, work department 120 moves to the second holding position from the first holding position, and then is driven by the first forced section 190
Lock piece 360 moves to lockset position of coupler from lock position.At this point, packing piece 320 can be freely outside under the action of the elastic member
Expansion, contacts to form sealing with the borehole wall, so that downhole tool 01 realizes the lifting to hydrops during uplink.
The foregoing is merely section Examples of the invention, are not intended to restrict the invention, for art technology
For personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. triggering holding mechanism characterized by comprising
Matrix offers service aisle in described matrix；
Work department, the work department are arranged in the service aisle and are configured to along the service aisle in the first holding position
It sets and is moved between the second holding position；
First elastic energy storage part, the first elastic energy storage part act on the work department and are configured to have the work department
The standby trend moved to second holding position；
Positioning region, the positioning region are arranged in the service aisle；
Locking part, the locking part are movably disposed in the work department, the locking part be configured to it is described fixed
Position portion in conjunction with latched position and with the position portion from unlocked position between move；
Second elastic energy storage part, the second elastic energy storage part act on the locking part and are configured to have the locking part
The standby trend moved to the latched position；
Auxiliary section in the locking part or with locking part linkage is set；And
Trigger unit, the trigger unit be configured to along the service aisle the trigger position cooperated with the auxiliary section and with institute
State mating part from position of readiness between move；
Wherein, the triggering holding mechanism is configured to be kept by the power of the first preset direction from described second in the work department
During position moves to the first holding position, the locking part moves to the latched position and in conjunction with the positioning region
The work department is maintained first holding position；The triggering holding mechanism be configured to the working position in
First holding position and the trigger unit are moved to the trigger bit from the position of readiness by the power of the second preset direction
During setting, the trigger unit and the auxiliary section are driven described in the locking part moves to from the latched position with merging
Unlocked position；First preset direction and second preset direction are opposite.
2. triggering holding mechanism according to claim 1, it is characterised in that:
The triggering holding mechanism further includes third elastic energy storage part, and the third elastic energy storage part acts on the trigger unit simultaneously
It is configured to that the trigger unit is made to have the trend moved to the position of readiness.
3. triggering holding mechanism according to claim 1, it is characterised in that:
The triggering holding mechanism further includes the first forced section connecting with the work department；When the working position is in described
When two holding positions, first forced section is configured to be at least partially disposed at outside described matrix default to receive described first
The power in direction.
4. triggering holding mechanism according to claim 1, it is characterised in that:
The triggering holding mechanism further includes the second forced section connecting with the trigger unit；When the trigger unit be located at it is described to
Seat in the plane is set and the working position is when first holding position, and second forced section is configured to be at least partially disposed at institute
Matrix outer is stated to receive the power of second preset direction.
5. triggering holding mechanism according to claim 4, it is characterised in that:
The trigger unit is configured to move synchronously in the position of readiness with the work department；When the working position is in institute
When stating the second holding position, second forced section is configured to be retracted in described matrix.
6. triggering holding mechanism according to claim 1, it is characterised in that:
The positioning region includes the slot being provided on the service aisle peripheral wall；
The locking part is configured to be inserted into the positioning region in the latched position, and the locking part is configured in institute
The positioning region is detached from when stating unlocked position.
7. according to claim 1 triggering holding mechanism, it is characterised in that:
Receiving hole is offered in the locking part；One end of the auxiliary section is rotatably engaged with the work department, described to match
The other end in conjunction portion is inserted into the receiving hole and is configured to slidably engage with the hole wall of the receiving hole；
The working position in first holding position and the trigger unit by the second preset direction power from described standby
During position moves to the trigger position, the auxiliary section be configured under the drive of the trigger unit rotation to
The locking part is driven to move to the unlocked position.
8. triggering holding mechanism according to claim 1, it is characterised in that:
Working hole is offered in the work department, the working hole prolongs along the direction of the latched position to the unlocked position
It stretches；The locking part is slidably disposed in the working hole.
9. triggering holding mechanism according to claim 7, it is characterised in that:
The second elastic energy storage part is arranged in the working hole, and is set in the locking part.
10. triggering holding mechanism according to claim 1, it is characterised in that:
The pressure relief opening of perforation is offered in the locking part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078582.8A CN109653693B (en) | 2019-01-28 | 2019-01-28 | Trigger holding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078582.8A CN109653693B (en) | 2019-01-28 | 2019-01-28 | Trigger holding mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN109653693A true CN109653693A (en) | 2019-04-19 |
| CN109653693B CN109653693B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910078582.8A Active CN109653693B (en) | 2019-01-28 | 2019-01-28 | Trigger holding mechanism |
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| CN (1) | CN109653693B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123746A (en) * | 2020-01-10 | 2021-07-16 | 成都百胜野牛科技有限公司 | Underground applicator and underground tool assembly |
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| CN107916913A (en) * | 2017-08-24 | 2018-04-17 | 西安石油大学 | A kind of self-adaptive pressure sliding sleeve controls formula gas well intelligence continuous drainage gas production plunger |
| CN209510279U (en) * | 2019-01-28 | 2019-10-18 | 成都百胜野牛科技有限公司 | Trigger holding mechanism |
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| GB850210A (en) * | 1959-06-22 | 1960-10-05 | Joy Mfg Co | Straight pull jar well tool and spring means therefor |
| CN101363309A (en) * | 2007-03-14 | 2009-02-11 | 普拉德研究及开发股份有限公司 | Passive centralizer |
| CN205315818U (en) * | 2015-12-17 | 2016-06-15 | 高卫兵 | Piston spring actuating mechanism that surges |
| CN206233891U (en) * | 2016-10-10 | 2017-06-09 | 中石化石油工程技术服务有限公司 | A kind of release device of downhole instrument string |
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| CN113123746A (en) * | 2020-01-10 | 2021-07-16 | 成都百胜野牛科技有限公司 | Underground applicator and underground tool assembly |
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|---|---|
| CN109653693B (en) | 2024-01-12 |
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