CN206468318U - Hydraulic force increasing device and underground hydraulic pressure reinforcement release device - Google Patents
Hydraulic force increasing device and underground hydraulic pressure reinforcement release device Download PDFInfo
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- CN206468318U CN206468318U CN201720120324.8U CN201720120324U CN206468318U CN 206468318 U CN206468318 U CN 206468318U CN 201720120324 U CN201720120324 U CN 201720120324U CN 206468318 U CN206468318 U CN 206468318U
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Abstract
The utility model is related to oil gas field downhole tool technical field, it is a kind of hydraulic force increasing device and underground hydraulic pressure reinforcement release device, it includes top connection, outer barrel, mandrel, mandrel is arranged on outer barrel, mandrel includes mandrel body and at least one piston, the inwall of outer barrel is provided with least one mounting seat, piston is located on the upper surface of mounting seat, an admission chamber is formed between piston and mounting seat, the side wall of top connection and the side wall of outer barrel are provided with infusion hole vertically, and infusion hole is connected with admission chamber.The utility model is integrally used with hydraulic anchor, fishing tool, hydraulic anchor, hydraulic force increasing device, fishing tool, which are sent to, with feeding tubing string needs the position of unfreezing, salvage and suppressed in underground " fish ", tubing string, hydraulic anchor is anchored on sleeve pipe, pressure fluid enters admission chamber, piston upwards are promoted, no sap cavity reduces, and mandrel is moved upwards by piston driving, mandrel drives " fish " to move upwards, realizes unfreezing.
Description
Technical field
The utility model is related to oil gas field downhole tool technical field, is a kind of hydraulic force increasing device and underground hydraulic pressure reinforcement
Release device.
Background technology
In the development process of oil gas field, well workover must be carried out, and well workover is divided into light maintenance and overhaul, cause the original of overhaul
Because there is following several respects：Cementing quality is poor, stratum aqueous corrosion and later stage reservoir reconstruction may result in sleeve pipe and deform；
May have impurity or completion fluid due to annular space completion fluid has on corrosivity, the packer of the impurity accumulation of generation, causes
Tubing string is by card.And tubing string will be greatly increased the increasing productivity of workover rig by card, the workover rig of big load is changed when necessary
Failure can be just released, the workover rig for employing big load necessarily increases cost, delayed compaction cycle.How to realize and be changed without repairing
So as to solve challenge, i.e., it is well workover " high load with small power " by way of changing underground technique on the premise of well equipment
Technical staff's technical problem urgently to be resolved hurrily.
The content of the invention
The utility model provides a kind of hydraulic force increasing device and underground hydraulic pressure reinforcement release device, overcomes above-mentioned existing
The deficiency of technology, it, which can effectively solve tubing string present in existing well workover process, is needed to change the well workover of bigger load during card
The problem of machine, increase operating cost, delayed compaction cycle.
The first technical scheme of the present utility model is realized by following measures：A kind of hydraulic force increasing device, bag
Top connection, outer barrel, mandrel are included, the lower end of top connection and the upper end of outer barrel are linked into an integrated entity, and mandrel is slidably mounted in outer barrel
Portion, the inwall of top connection is provided with a dividing plate, and mandrel includes mandrel body and at least one piston, and the inwall of outer barrel is provided with
At least one mounting seat, piston is located on the upper surface of mounting seat, and an admission chamber, piston are formed between piston and mounting seat
Outer barrel formation one between outer barrel or two pistons between dividing plate is without sap cavity, the side wall and outer barrel of top connection
Side wall provided with infusion hole vertically, the top connection on dividing plate top is provided with the first radial hole, and infusion hole is respectively with first
Radial hole, admission chamber connection.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Above-mentioned outer barrel includes the first outer barrel and the second outer barrel, and mandrel includes the first mandrel and the second mandrel, under top connection
Portion and the top of the first outer barrel link into an integrated entity, and the inwall of the first outer barrel is provided with the first mounting seat, and the first mandrel is provided with the
One piston, the first mandrel is arranged in the first mounting seat and first piston is located on the first mounting seat upper surface, and first installs
Upper surface, the outer wall of first piston, the inwall of top connection, the lower surface of top connection of seat surround the first admission chamber, first piston
Top connection between dividing plate is internally formed first without sap cavity, and infusion hole is connected with the inside of the first admission chamber；First outer barrel
Bottom and the top of the second outer barrel link into an integrated entity, the inwall of the second outer barrel is provided with the second mounting seat, the second mandrel and set
There is second piston, the second mandrel is arranged in the second mounting seat and second piston is located on the second mounting seat upper surface, second
The upper surface of mounting seat, the outer wall of second piston, the inwall of the first outer barrel, the lower surface of the first outer barrel surround the second admission chamber,
The first outer barrel between second piston and first piston is internally formed second without sap cavity, the inside of infusion hole and the second admission chamber
Connection, the lower end of the first mandrel and the upper end of the second mandrel link together.
Above-mentioned outer barrel also includes moment of torsion outer barrel, and mandrel also includes the 3rd mandrel, and moment of torsion outer tube inner wall is square hole, the 3rd mandrel
For the square shaft being engaged with moment of torsion outer barrel, the lower end of moment of torsion outer barrel and the second outer barrel is linked together, and the 3rd mandrel is slidably pacified
Mounted in the inside of moment of torsion outer barrel, the second outer barrel, the upper end and the lower end of the second mandrel of the 3rd mandrel link together, the 3rd mandrel
Top be provided with the 3rd piston, the bottom of the 3rd mandrel is provided with axis hole, and infusion hole is extended to below the 3rd piston and by second
Radial hole is connected with axis hole, and the lower end of the 3rd mandrel is connected with lower contact, and lower contact is provided with the flushing hole connected with axis hole.
Be connected through a screw thread between the inwall of the outer wall of above-mentioned top connection and the first outer barrel, the outer wall of the first outer barrel and second
It is connected through a screw thread, is connected through a screw thread between the outer wall of the second outer barrel and the inwall of moment of torsion outer barrel between the inwall of outer barrel, on
The junction of joint and the first outer barrel is fixed by trip bolt radially, and the junction of the first outer barrel and the second outer barrel passes through
Trip bolt radially is fixed, and the junction of the second outer barrel and moment of torsion outer barrel is fixed by trip bolt radially.
Sealing ring is equipped with the outer wall of above-mentioned first piston, on the outer wall of second piston, on the outer wall of the 3rd piston；The
Sealing ring is respectively equipped with the inwall of one mounting seat, on the inwall of the second mounting seat.
The venthole connected with aneroid intracavitary portion is evenly distributed on the above-mentioned outer barrel for surrounding no sap cavity；Or/and, along outer barrel
Circumference be evenly equipped with least two infusion holes.
Second of technical scheme of the present utility model is realized by following measures：One kind includes above-mentioned technical proposal
In hydraulic force increasing device underground hydraulic pressure reinforcement release device, in addition to hydraulic anchor and fishing tool, hydraulic anchor increases with hydraulic pressure
The upper end of power apparatus links together, and the lower end of fishing tool and hydraulic force increasing device links together.
The utility model reasonable and compact in structure, easy to use, it is integrally used with hydraulic anchor, fishing tool, and hydraulic pressure increases
Fishing tool is installed in the top connection hydraulic anchor of power apparatus, the bottom of hydraulic force increasing device, with feeding tubing string hydraulic anchor, hydraulic pressure
Step-up system, fishing tool, which are sent to, needs the position of unfreezing, and fishing tool is salvaged to be suppressed in underground " fish ", tubing string, water
Power anchor is anchored on sleeve pipe, and pressure fluid enters admission chamber by the first radial hole, infusion hole, promotes piston upwards, nothing
Sap cavity reduces, and mandrel is moved upwards by piston driving, and mandrel drives " fish " to move upwards, realizes unfreezing.The utility model is carried
The hydraulic force increasing device of confession is simple in construction, using modularized design, can arbitrarily increase and decrease the quantity of piston, so as to adjust solution OK a karaoke club
Pull out force；Hydraulic anchor is anchored in sleeve pipe using pressure in tubing string, the fixed strong point provided for bottom fishing tool, unfreezing power by
Reinforcement piston is provided, the active force of generation discharges in short distance, it is to avoid absorption of the plastic deformation of tubing string length to power, directly
Connect and be applied to stuck point, protect ground installation, with it is safe, laborsaving, easy, efficient the characteristics of.
Brief description of the drawings
Accompanying drawing 1 is the main view half section structural representation of the hydraulic force increasing device epimere of the utility model embodiment one.
Accompanying drawing 2 is the main view half section structural representation of the hydraulic force increasing device hypomere of the utility model embodiment one.
Accompanying drawing 3 is the cross section structure diagram in accompanying drawing 1 at A-A.
Accompanying drawing 4 is the front view of the underground hydraulic pressure reinforcement release device of the utility model embodiment two.
Coding in accompanying drawing is respectively：1 is top connection, and 2 be dividing plate, and 3 be infusion hole, and 4 be the first radial hole, and 5 be first
Outer barrel, 6 be the second outer barrel, and 7 be the first mandrel, and 8 be the second mandrel, and 9 be the first mounting seat, and 10 be first piston, and 11 be first
Admission chamber, 12 be that first without sap cavity, 13 be the second mounting seat, and 14 be second piston, and 15 be the second admission chamber, and 16 be the second aneroid
Chamber, 17 be moment of torsion outer barrel, and 18 be the 3rd mandrel, and 19 be the 3rd piston, and 20 be axis hole, and 21 be the second radial hole, and 22 be lower contact,
23 be flushing hole, and 24 be trip bolt, and 25 be sealing ring, and 26 be venthole, and 27 be hydraulic anchor, and 28 be fishing tool, and 29 be liquid
Step-up system is pressed, 30 be tubing string, 31 be the 3rd without sap cavity.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
Embodiment one：As shown in accompanying drawing 1,2,3, the hydraulic force increasing device 29 includes top connection 1, outer barrel, mandrel, top connection
1 lower end and the upper end of outer barrel link into an integrated entity, and mandrel is slidably mounted on outer barrel, and the inwall of top connection 1 is provided with one
Individual dividing plate 2, mandrel includes mandrel body and at least one piston, and the inwall of outer barrel is provided with least one mounting seat, piston seat
Fall on the upper surface of mounting seat, an admission chamber, the outer barrel between piston and dividing plate 2 are formed between piston and mounting seat
Or the outer barrel formation between two pistons one, without sap cavity, the side wall of top connection 1 and the side wall of outer barrel are provided with vertically
Infusion hole 3, the top connection 1 on the top of dividing plate 2 is provided with the first radial hole 4, infusion hole 3 respectively with the first radial hole 4, admission chamber
Connection.As shown in Figure 4, the hydraulic force increasing device 29 is integrally used with hydraulic anchor 27, fishing tool 28, hydraulic force increasing device 29
Top connection hydraulic anchor 27, the bottom of hydraulic force increasing device 29 installs fishing tool 28, with feeding tubing string 30 hydraulic anchor 27,
Hydraulic force increasing device 29, fishing tool 28, which are sent to, needs the position of unfreezing, and fishing tool 28 salvages underground " fish ", tubing string
Suppress, hydraulic anchor 27 is anchored on sleeve pipe, pressure fluid enters admission chamber by the first radial hole 4, infusion hole 3, promote in 30
Piston upwards, no sap cavity reduces, and mandrel is moved upwards by piston driving, and mandrel drives " fish " to move upwards, realizes solution
Card.The hydraulic force increasing device 29 that the utility model is provided is simple in construction, using modularized design, can arbitrarily increase and decrease the number of piston
Amount, so as to adjust unfreezing pulling capacity；Hydraulic anchor 27 is anchored in sleeve pipe using pressure in tubing string 30, be bottom fishing tool 28
The fixed strong point is provided, unfreezing power is provided by reinforcement piston, and the active force of generation discharges in short distance, it is to avoid tubing string 30 is grown
Absorption of the plastic deformation of degree to power, is applied directly to stuck point, protects ground installation.
Above-mentioned hydraulic force increasing device can be made further optimization and/or improvements according to actual needs：
As shown in accompanying drawing 1,2, above-mentioned outer barrel includes the first outer barrel 5 and the second outer barrel 6, and mandrel includes the first mandrel 7 and the
Two mandrels 8, the bottom of top connection 1 and the top of the first outer barrel 5 link into an integrated entity, and the inwall of the first outer barrel 5 is provided with the first peace
Seat 9 is filled, the first mandrel 7 is provided with first piston 10, and the first mandrel 7 is arranged in the first mounting seat 9 and first piston 10 is located in
On the upper surface of the first mounting seat 9, the upper surface of the first mounting seat 9, the outer wall of first piston 10, the inwall of top connection 1, on connect
First 1 lower surface surrounds the first admission chamber 11, and top connection 1 between first piston 10 and dividing plate 2 is internally formed the first aneroid
Chamber 12, infusion hole 3 is connected with the inside of the first admission chamber 11；The bottom of first outer barrel 5 and the top of the second outer barrel 6 connect into one
Body, the inwall of the second outer barrel 6 is provided with the second mounting seat 13, and the second mandrel 8 is provided with second piston 14, and the second mandrel 8 is installed
In the second mounting seat 13 and second piston 14 is located on the upper surface of the second mounting seat 13, the upper surface of the second mounting seat 13,
The outer wall of second piston 14, the inwall of the first outer barrel 5, the lower surface of the first outer barrel 5 surround the second admission chamber 15, second piston 14
The first outer barrel 5 between first piston 10 is internally formed second without sap cavity 16, the inside of the admission chamber 15 of infusion hole 3 and second
Connection, the lower end of the first mandrel 7 and the upper end of the second mandrel 8 link together.The present embodiment employs the first outer barrel 5 and second
There are first piston 10, the second mandrel 8 on 6 two outer barrels of outer barrel, 8 two mandrels of the first mandrel 7 and the second mandrel, the first mandrel 7
On have second piston 14, therefore be formed the first admission chamber 11 and the second admission chamber 15.In use, pressure fluid passes through first
Radial hole 4, infusion hole 3 respectively enter the first admission chamber 11 and the second admission chamber 15, so that synchronous promote first piston 10, second
Piston 14 is moved upwards so that unfreezing power adds one times compared with the structure of single-piston, can more easily realize unfreezing.
As shown in accompanying drawing 1,2,3, above-mentioned outer barrel also includes moment of torsion outer barrel 17, and mandrel also includes outside the 3rd mandrel 18, moment of torsion
17 inwalls of cylinder are square hole, under the 3rd mandrel 18 is the square shaft that is engaged with moment of torsion outer barrel 17, the outer barrel 6 of moment of torsion outer barrel 17 and second
End links together, and the 3rd mandrel 18 is slidably mounted on moment of torsion outer barrel 17, the inside of the second outer barrel 6, the 3rd mandrel 18 it is upper
The lower end with the second mandrel 8 is held to link together, the top of the 3rd mandrel 18 is provided with the 3rd piston 19, the bottom of the 3rd mandrel 18
Provided with axis hole 20, infusion hole 3 extends to the lower section of the 3rd piston 19 and connected by the second radial hole 21 with axis hole 20, the 3rd mandrel
18 lower end is connected with lower contact 22, and lower contact 22 is provided with the flushing hole 23 connected with axis hole 20.Lower contact 22 be provided with
The square hole that square shaft is engaged on 3rd mandrel 18, the moment of torsion of the 3rd mandrel 18 can be for delivery in lower contact 22.Work as first piston
10 and second piston 14 when moving upwards, second piston 14 drives the motion upwards of the second mandrel 8, and the second mandrel 8 drives the 3rd core
When axle 18 moves upward to maximum position, infusion hole 3 is connected by the second radial hole 21 with axis hole 20, flushing hole 23, forms punching
Passage is washed, sand setting can be rinsed, is easy to fishing tool 28 to insert in fish；Meanwhile, the 3rd mandrel 18 moves upward to dominant bit
When putting, underground " fish " unfreezing, pressure pressure release in tubing string 30, ground performance is obvious, it is to avoid erroneous judgement；Rotate tubing string 30, tubing string 30
Moment of torsion is transferred to moment of torsion outer barrel 17, the hexagon square hole and the 3rd core of moment of torsion outer barrel 17 by the first outer barrel 5, the second outer barrel 6
The hexagon square shaft of axle 18, which coordinates, to be delivered to moment of torsion in lower contact 22 and fish, during underground fish is rotated, tubing string
30 may lift up or push that there is provided a variety of unfreezing modes.
As shown in accompanying drawing 1,2, it is connected through a screw thread between the inwall of the outer wall of above-mentioned top connection 1 and the first outer barrel 5, first
It is connected through a screw thread between the inwall of the outer wall of outer barrel 5 and the second outer barrel 6, the outer wall of the second outer barrel 6 is interior with moment of torsion outer barrel 17
It is connected through a screw thread between wall, top connection 1 and the junction of the first outer barrel 5 are fixed by trip bolt 24 radially, first
The junction of outer barrel 5 and the second outer barrel 6 is fixed by trip bolt 24 radially, the company of the second outer barrel 6 and moment of torsion outer barrel 17
The place of connecing is fixed by trip bolt 24 radially.Threaded connection is convenient and swift, being capable of quick despatch；Using threaded connection
On the basis of, further it is fixed using trip bolt 24, can prevents threaded connection from loosening, improves structural stability.
As shown in accompanying drawing 1,2, on the outer wall of above-mentioned first piston 10, on the outer wall of second piston 14, the 3rd piston 19
Sealing ring 25 is equipped with outer wall；Sealing ring is respectively equipped with the inwall of first mounting seat 9, on the inwall of the second mounting seat 13
25.Two seals circle 25 can be set on the outer wall of first piston 10, first is improved without between the admission chamber 11 of sap cavity 12 and first
Sealing；Two seals circle 25 can be set on the outer wall of second piston 14, second is improved without the admission chamber of sap cavity 16 and second
Sealing between 15；Two seals circle 25 can be set on the outer wall of the 3rd piston 19, infusion hole 3, the second radial hole is improved
21 and the 3rd without the sealing between sap cavity；The inwall of first mounting seat 9 can set two seals circle 25, improve the first feed liquor
Sealing of the chamber 11 and second without sap cavity 16；The inwall of second mounting seat 13 can set two seals circle 25, improve second and enter
Sap cavity 15 and the 3rd is without the sealing between sap cavity.
As shown in accompanying drawing 1,2,3, it is evenly distributed on the above-mentioned outer barrel for surrounding no sap cavity and going out that aneroid intracavitary portion is connected
Stomata 26；Or/and, it is evenly equipped with least two infusion holes 3 along the circumference of outer barrel.When first piston 10, second piston 14 are transported upwards
While dynamic, first piston 10 is discharged first without the air in sap cavity 12 by venthole 26, is reduced because compressed gas is produced
Resistance；Second piston 14 is discharged second without the air in sap cavity 16 by venthole 26, reduces the resistance that compressed gas is produced
Power；Ring cavity formation the 3rd between second mounting seat 13 and the 3rd piston 19 surrounds the 3rd secondth without sap cavity 31 without sap cavity 31
It is evenly distributed on outer barrel 6 and the 3rd venthole 26 connected without the inside of sap cavity 31, when the 3rd piston 19 is moved upwards, the 3rd work
Plug 19 is discharged the 3rd without the air in sap cavity 31 by venthole 26, reduces the resistance that compressed gas is produced.
Embodiment two：Such as accompanying drawing 4 shows that a kind of underground hydraulic pressure for including the hydraulic force increasing device 29 in above-mentioned technical proposal increases
Power release device, in addition to hydraulic anchor 27 and fishing tool 28, the upper end of hydraulic anchor 27 and hydraulic force increasing device 29 are connected to one
Rise, the lower end of fishing tool 28 and hydraulic force increasing device 29 links together.Underground hydraulic pressure reinforcement release device increases including hydraulic pressure
Power apparatus 29, hydraulic anchor 27, fishing tool 28, the top connection hydraulic anchor 27 of hydraulic force increasing device 29, hydraulic force increasing device 29
Bottom install fishing tool 28, with feeding tubing string 30 hydraulic anchor 27, hydraulic force increasing device 29, fishing tool 28 be sent to need
The position of unfreezing is wanted, fishing tool 28 is salvaged to be suppressed in underground " fish ", tubing string 30, and hydraulic anchor 27 is anchored on sleeve pipe, pressed
Power liquid enters admission chamber by the first radial hole 4, infusion hole 3, promotes piston upwards, and no sap cavity reduces, and mandrel is lived
Plug drives motion upwards, and mandrel drives " fish " to move upwards, realizes unfreezing.
Above technical characteristic constitutes embodiment of the present utility model, and it has stronger adaptability and implementation result, can
Increase and decrease non-essential technical characteristic according to actual needs, to meet the demand of different situations.
The use process of the utility model embodiment：
Hydraulic force increasing device 29, hydraulic anchor 27 and fishing tool 28 are integrally used, the top of hydraulic force increasing device 29 connection water
Fishing tool 28 is installed in power anchor 27, bottom, and hydraulic anchor 27, hydraulic force increasing device 29 and fishing tool 28 are sent with feeding tubing string 30
Enter to when needing solution card position, salvage and suppressed in underground " fish ", tubing string 30, hydraulic anchor 27 is anchored in sleeve pipe, hydraulic pressure increases
Maximum position is moved on the mandrel of power apparatus 29, unfreezing is realized；Meanwhile, inlet opening is connected with axis hole 20, flushing hole 23, forms punching
Passage is washed, fish head can be rinsed, when upper lifting pipe post 30 is unable to unfreezing, pressure release in tubing string 30, hydraulic anchor 27 is reclaimed, and pushes tubing string
30, ground rotation tubing string 30, fishing tool 28 is from " fish " Safe withdrawing.
Specifically used process is as follows：With type hydraulic booster release device under the lower going-into-well of tubing string 30, arrival will salvage fish position
When, suppressed out of tubing string 30, now hydraulic anchor 27 opens, and anchors on sleeve pipe, pressure fluid promotes first piston 10, second to live
Plug 14 is moved up, and when moving on to ultimate range on piston, inlet opening is connected with the second radial hole 21, axis hole 20, flushing hole 23, is formed
Irrigation channel, fluid can flow out from the inside of fishing tool 28, rinse fish head.
After flushing sand setting terminates, pressure release in tubing string 30, the slips of hydraulic anchor 27 is reclaimed, and pushes tubing string 30, fishing tool 28 dozens
Fish is reaped, rotation tubing string 30, hexagon square hole and the hexagon side of the 3rd mandrel 18 by moment of torsion outer barrel 17 can be pushed
Axle is delivered to moment of torsion on fish, and during underground fish is rotated, tubing string 30 may lift up or push that there is provided a variety of unfreezings
Mode.
When above method is all unable to unfreezing, upper lifting pipe post 30 keeps suppressing in certain upper lifting force, tubing string 30, now
The slips of hydraulic anchor 27 is opened, and anchors on sleeve pipe, and the outer barrel equivalent to hydraulic force increasing device 29 is fixed, and pressure fluid is through inlet opening
Plunger shaft is reached, promotes piston to move up, is that underground fishing tool 28 provides upper lifting force, until unfreezing success.
The utility model has the advantages that：Single unit system is simple in construction, using modularized design, can arbitrarily add
Deactivation plug and outer barrel, adjust unfreezing pulling capacity；Hydraulic anchor 27 is anchored in sleeve pipe using pressure in tubing string 30, be that bottom is salvaged
Instrument 28 provides the fixed strong point, unfreezing power is provided by reinforcement piston, and the active force of generation discharge in short distance, it is to avoid manage
Absorption of the plastic deformation of the length of post 30 to power, is applied directly to stuck point, protects ground installation；Irrigation channel is designed with, can
To rinse sand setting, it is easy to fishing tool 28 to insert in fish；Torque transmitter is designed with, effectively ground installation moment of torsion is transmitted
Onto underground fishing tool 28, be easy to rotating stuck-freeing or reversible fishing tool 28 slip out of the hand；Maximum displacement pressure release is designed with to lead to
Road, when underground fish unfreezing, i.e., when piston displacement is to maximum position, pressure pressure release in tubing string 30, ground performance is obvious, it is to avoid
Erroneous judgement.
Claims (8)
1. a kind of hydraulic force increasing device, it is characterised in that including top connection, outer barrel, mandrel, the lower end of top connection and outer barrel it is upper
End links into an integrated entity, and mandrel is slidably mounted on outer barrel, and the inwall of top connection is provided with a dividing plate, and mandrel includes mandrel
Body and at least one piston, the inwall of outer barrel are provided with least one mounting seat, and piston is located on the upper surface of mounting seat,
Formed between piston and mounting seat in an admission chamber, the outer barrel between outer barrel or two pistons between piston and dividing plate
Portion forms one without sap cavity, and the side wall of top connection and the side wall of outer barrel are connect on dividing plate top provided with infusion hole vertically
Head is provided with the first radial hole, and infusion hole is connected with the first radial hole, admission chamber respectively.
2. hydraulic force increasing device according to claim 1, it is characterised in that outer barrel includes the first outer barrel and the second outer barrel, core
Axle includes the first mandrel and the second mandrel, and the bottom of top connection and the top of the first outer barrel links into an integrated entity, the first outer barrel it is interior
Wall is provided with the first mounting seat, and the first mandrel is provided with first piston, and the first mandrel is arranged in the first mounting seat and first lives
Plug be located on the first mounting seat upper surface, the upper surface of the first mounting seat, the outer wall of first piston, the inwall of top connection, on
The lower surface of joint surrounds the first admission chamber, and the top connection between first piston and dividing plate is internally formed first without sap cavity, defeated
Fluid apertures is connected with the inside of the first admission chamber；The bottom of first outer barrel and the top of the second outer barrel link into an integrated entity, the second outer barrel
Inwall be provided with the second mounting seat, the second mandrel is provided with second piston, and the second mandrel is arranged in the second mounting seat and the
Two pistons are located on the second mounting seat upper surface, the upper surface of the second mounting seat, the outer wall of second piston, the first outer barrel it is interior
Wall, the lower surface of the first outer barrel surround the second admission chamber, and the first outer barrel between second piston and first piston is internally formed
Second is connected without sap cavity, infusion hole with the inside of the second admission chamber, and the lower end of the first mandrel and the upper end of the second mandrel are connected to
Together.
3. hydraulic force increasing device according to claim 2, it is characterised in that outer barrel also includes moment of torsion outer barrel, mandrel also includes
3rd mandrel, moment of torsion outer tube inner wall is square hole, and the 3rd mandrel is outside the square shaft being engaged with moment of torsion outer barrel, moment of torsion outer barrel and second
The lower end of cylinder links together, and the 3rd mandrel is slidably mounted on moment of torsion outer barrel, the inside of the second outer barrel, the upper end of the 3rd mandrel
Linked together with the lower end of the second mandrel, the top of the 3rd mandrel is provided with the 3rd piston, and the bottom of the 3rd mandrel is provided with axis hole,
Infusion hole is extended to below the 3rd piston and connected by the second radial hole with axis hole, and the lower end of the 3rd mandrel, which is connected with down, to be connect
Head, lower contact is provided with the flushing hole connected with axis hole.
4. hydraulic force increasing device according to claim 3, it is characterised in that the inwall of the outer wall of top connection and the first outer barrel
Between be connected through a screw thread, be connected through a screw thread between the inwall of the outer wall of the first outer barrel and the second outer barrel, the second outer barrel it is outer
It is connected through a screw thread between the inwall of wall and moment of torsion outer barrel, top connection and the junction of the first outer barrel pass through fastening spiral shell radially
Nail is fixed, and the junction of the first outer barrel and the second outer barrel is fixed by trip bolt radially, the second outer barrel and moment of torsion outer barrel
Junction fixed by trip bolt radially.
5. the hydraulic force increasing device according to claim 3 or 4, it is characterised in that on the outer wall of first piston, second piston
Outer wall on, on the outer wall of the 3rd piston be equipped with sealing ring；Divide on the inwall of first mounting seat, on the inwall of the second mounting seat
She You not sealing ring.
6. the hydraulic force increasing device according to claim 1 or 2 or 3 or 4, it is characterised in that surround edge on the outer barrel of no sap cavity
The circumferential venthole uniformly connected with aneroid intracavitary portion；Or/and, it is evenly equipped with least two infusion holes along the circumference of outer barrel.
7. hydraulic force increasing device according to claim 5, it is characterised in that be evenly distributed on the outer barrel for surrounding no sap cavity
The venthole connected with aneroid intracavitary portion；Or/and, it is evenly equipped with least two infusion holes along the circumference of outer barrel.
8. a kind of underground hydraulic pressure reinforcement release device of the hydraulic force increasing device comprising any one of claim 1 to 7, also
Including hydraulic anchor and fishing tool, the upper end of hydraulic anchor and hydraulic force increasing device links together, fishing tool and hydraulic booster
The lower end of device links together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120324.8U CN206468318U (en) | 2017-02-09 | 2017-02-09 | Hydraulic force increasing device and underground hydraulic pressure reinforcement release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120324.8U CN206468318U (en) | 2017-02-09 | 2017-02-09 | Hydraulic force increasing device and underground hydraulic pressure reinforcement release device |
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| Publication Number | Publication Date |
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| CN206468318U true CN206468318U (en) | 2017-09-05 |
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| CN201720120324.8U Active CN206468318U (en) | 2017-02-09 | 2017-02-09 | Hydraulic force increasing device and underground hydraulic pressure reinforcement release device |
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| CN110578487A (en) * | 2019-08-14 | 2019-12-17 | 中国石油化工股份有限公司 | Two-way hydraulic force increasing device for hydraulic shaping pipe column |
| CN111058789A (en) * | 2018-10-16 | 2020-04-24 | 中国石油化工股份有限公司 | Underground hydraulic reversing device and method |
| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112253031A (en) * | 2020-09-23 | 2021-01-22 | 合力（天津）能源科技股份有限公司 | Hydraulic rotary booster tool |
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| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112196484B (en) * | 2020-09-08 | 2022-04-26 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112253031A (en) * | 2020-09-23 | 2021-01-22 | 合力（天津）能源科技股份有限公司 | Hydraulic rotary booster tool |
| CN115807641A (en) * | 2021-09-13 | 2023-03-17 | 中国石油天然气股份有限公司 | Hydraulic jam releasing tool for sand prevention pipe column |
| CN113685152A (en) * | 2021-09-17 | 2021-11-23 | 成都西南石大石油工程技术有限公司 | Hydraulic-based reinforcement upward-pulling and releasing device |
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