CN110439493A - Anti-lost sealing preventing spray head and blowout hookup - Google Patents
Anti-lost sealing preventing spray head and blowout hookup Download PDFInfo
- Publication number
- CN110439493A CN110439493A CN201910893045.9A CN201910893045A CN110439493A CN 110439493 A CN110439493 A CN 110439493A CN 201910893045 A CN201910893045 A CN 201910893045A CN 110439493 A CN110439493 A CN 110439493A
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- CN
- China
- Prior art keywords
- hatpin
- mandrel
- hole
- socket head
- rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 49
- 239000007921 spray Substances 0.000 title claims abstract description 32
- 241001290534 Lachnocaulon Species 0.000 claims abstract description 87
- 230000011218 segmentation Effects 0.000 claims description 38
- 230000001050 lubricating effect Effects 0.000 claims description 18
- 230000004308 accommodation Effects 0.000 claims description 13
- 239000003208 petroleum Substances 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012856 packing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- -1 well Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Abstract
The embodiment provides a kind of anti-lost sealing preventing spray head and blowout hookups, are related to field of petroleum machinery.The anti-lost sealing preventing spray head includes shell, lifting rope, anti-lost component and seal assembly, and seal assembly includes mandrel, and anti-lost component includes hatpin, rope socket head and positioning joint.Mandrel is set in the housing and is flexibly connected with shell.Hatpin is fixedly connected with mandrel, and positioning joint is set in outside hatpin and is fixedly connected with the casing.Lifting rope passes through mandrel and hatpin, and connect with rope socket head.Rope socket head can be selectively entered in positioning joint and be clamped with hatpin.Once lifting rope is broken, rope socket head can enter in positioning joint and be clamped with hatpin, prevent the object connected on rope socket head and rope socket head from falling, reduce and salvage trouble, and it is convenient to pick and place object.
Description
Technical field
The present invention relates to technical field of petroleum machinery, in particular to a kind of anti-lost sealing preventing spray head and blowout hookup.
Background technique
It has been investigated that tester falls into shaft bottom in order to prevent, it will usually tester dropping against device be arranged at well head.Than
Such as, this dropping against device can be the mechanical shutter being arranged in below tester, realized by mechanical shutter channel closing and
It opens, channel can prevent tester from falling after closing.
But this mode for increasing dropping against device in well head, a dropping against device for needing to be separately provided will increase worker's
Dismounting work is carried, extra workload is brought, and manual operation is needed to realize dropping against device work, prevents tester from falling,
Be likely to occur it is anti-fall not in time the phenomenon that.
Summary of the invention
The purpose of the present invention includes, for example, providing a kind of anti-lost sealing preventing spray head, can prevent from hanging after lifting rope fracture
The object connected on rope continues to fall, and reduces the tedious steps that shaft bottom is salvaged.Also, if in maloperation, so that hanging
The object connected on rope is stuck and when lifting rope is unbroken, quick release object and original state can be returned to, avoid dismantling
Integral device releases object and is stuck the tedious steps of state.
The purpose of the present invention includes, for example, a kind of blowout hookup is provided, after lifting rope can be prevented to be broken, on lifting rope
The object of connection continues to fall, and shaft bottom is avoided to salvage the complicated procedures of object.And in maloperation, lifting rope it is unbroken
When, the state that energy Rapid reversal object is stuck is returned to nominal situation operation, avoids the troublesome operation for taking out object.
The embodiment of the present invention this can be implemented so that
In a first aspect, the embodiment of the present invention provides a kind of anti-lost sealing preventing spray head, including shell, lifting rope, anti-lost component and
Seal assembly, the seal assembly include mandrel, and the anti-lost component includes hatpin, rope socket head and positioning joint.
The mandrel is disposed in the housing and is flexibly connected with the shell;The hatpin and the fixed company of the mandrel
It connects, the positioning joint is set in outside the hatpin and is fixedly connected with the shell;The rope socket head can be selectively entered
It is clamped in the positioning joint and with the hatpin;
The lifting rope passes through the mandrel and the hatpin, and connect with the rope socket head.
In alternative embodiments, the hatpin is equipped with first latching tooth, the rope socket head far from one end of the mandrel
It is equipped with the second latch, the first latching tooth is selectively clamped with second latch.
In alternative embodiments, the rope socket head includes the first segmentation, changeover portion and the second segmentation, the changeover portion
One end and first segmentation connect, the other end and second segmentation connect, and the outer diameter of first segmentation is less than described
The outer diameter of second segmentation, second latch are set in first segmentation.
In alternative embodiments, the changeover portion is in a circular table shape.
In alternative embodiments, second segmentation is connected with weighted lever.
In alternative embodiments, the positioning joint is provided in the axial direction with interconnected first through hole and second and leads to
Hole, the relatively described first through hole of the second through-hole is far from the mandrel;The positioning joint is arranged by the first through hole
In on the hatpin, second through-hole is used to pass through for the rope socket head.
In alternative embodiments, second through-hole is in the shape of a trumpet, and second through-hole is logical far from described first
The opening of the one end in hole is greater than the opening of the one end of second through-hole close to the first through hole;The hole wall of second through-hole
It is moved for limiting the rope socket head along the direction close to the mandrel.
In alternative embodiments, the mandrel offers the first accommodation groove, and the hatpin, which is mounted on described first, to be held
It sets in slot, first seal is equipped between the hatpin and the mandrel.
In alternative embodiments, the first seal, which is equipped with, squeezes slot, and the hatpin is equipped with pillar, described
Pillar is embedded in the extruding slot.
Second aspect, the embodiment of the present invention provide any in a kind of blowout hookup, including lubricating cup and such as aforementioned embodiments
Anti-lost sealing preventing spray head described in, the lubricating cup are fixedly connected with the mandrel.
The beneficial effect of the embodiment of the present invention includes, for example:
The anti-lost sealing preventing spray head, is connect by mandrel with hatpin, and mandrel can drive hatpin axially to move in shell along shell
It is dynamic.When rope socket head is lifted into positioning joint by lifting rope, can and hatpin realize and be clamped that, if lifting rope is pulled off, hatpin can be with
The object for preventing rope socket head and being connected on rope socket head is fallen, and realizes anti-lost function.Secondly, if rope socket head is promoted by lifting rope
It realizes in into positioning joint and with hatpin and is clamped, but lifting rope can be returned there is no being broken under the situation with quick release object
It is run to nominal situation, only mandrel need to be continued to move axially along shell, hatpin is driven to separate with rope socket head, it is easy to operate
It is convenient, without being dismantled integral device completely to release the state that object is stuck.Anti-lost sealing nozzle provided by the present application, energy
Rope socket head is blocked after lifting rope fracture, prevents object fall.Simultaneously as rope socket head is blocked in maloperation etc. and lifting rope is unbroken
In the case of, it so that hatpin is separated with rope socket head, discharge rope socket head, it is swift and convenient to operate.
A kind of blowout hookup provided by the present application can be disconnected in lifting rope including lubricating cup and above-mentioned anti-lost sealing preventing spray head
It in the case where splitting, effectively realizes and card is grabbed to rope socket head, prevent object from falling, reduce unnecessary shaft bottom and salvage.And due to
Maloperation makes hatpin block rope socket head in the case that lifting rope is unbroken, so that hatpin is separated with rope socket head, release rope
Cap head, it is swift and convenient to operate.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of overall structure diagram of anti-lost sealing preventing spray head provided in this embodiment;
Fig. 2 is a kind of structural schematic diagram of the hatpin of anti-lost sealing preventing spray head provided in this embodiment;
Fig. 3 is the partial view in Fig. 2 at A;
Fig. 4 is a kind of structural schematic diagram of the rope socket head of anti-lost sealing preventing spray head provided in this embodiment;
Fig. 5 is a kind of structural schematic diagram of the positioning joint of anti-lost sealing preventing spray head provided in this embodiment;
Fig. 6 is a kind of structural schematic diagram of the mandrel of anti-lost sealing preventing spray head provided in this embodiment;
Fig. 7 is a kind of structural schematic diagram of the first seal of anti-lost sealing preventing spray head provided in this embodiment;
Fig. 8 is a kind of application scenarios structural schematic diagram of the weighted lever of anti-lost sealing preventing spray head provided in this embodiment.
Icon: 101- lifting rope;103- hook;105- lubricating cup;107- weighted lever;109- tester;110- shell;120- core
Axis;The first accommodation groove of 121-;The second accommodation groove of 123-;130- seal assembly;140- hatpin;141- claw;143- first latching tooth;
144- clamping space;The first tooth of 145- sideline;The second tooth of 146- sideline;147- third tooth sideline;1401- pillar;150- limit
Connector;153- first through hole;The second through-hole of 155-;160- rope socket head;161- first is segmented;162- changeover portion;163- second divides
Section;164- ring slot;The second latch of 165-;170- first seal;171- squeezes slot;180- second seal.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
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 if there is the side of the instructions such as term " on ", "lower", "inner", "outside"
Position or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the side usually put
Position or positional relationship, are merely for convenience of description of the present invention and simplification of the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, being only used for distinguishing description if there is term " first ", " second " etc., it is not understood to indicate or imply phase
To importance.
It should be noted that in the absence of conflict, the feature in the embodiment of the present invention can be combined with each other.
Referring to FIG. 1, present embodiments providing a kind of anti-lost sealing preventing spray head, including shell 110, lifting rope 101, anti-lost group
Part and seal assembly 130, seal assembly 130 include mandrel 120, and anti-lost component includes that hatpin 140, rope socket head 160 and limit connect
First 150.
Mandrel 120 be set to shell 110 in and with the movable connection of shell 110;Hatpin 140 is fixedly connected with mandrel 120,
Positioning joint 150 is set in outside hatpin 140 and is fixedly connected with shell 110.Lifting rope 101 passes through mandrel 120, hatpin 140, with
Rope socket head 160 connects, and rope socket head 160 is used for connecting test instrument 109.Rope socket head 160 can be selectively entered positioning joint 150
It is interior and with hatpin 140 be clamped.Certainly, it is not limited to that, the object connected on rope socket head 160 includes but is not limited to tester
109 (see Fig. 8), detector, the devices such as instrument are salvaged.
Optionally, shell 110 with lubricator (not shown) for connecting.Shell 110 is in hollow cylindrical, is set in mandrel
120 outer surface, for mandrel 120 with shell 110 using being threadedly coupled, rotary core shaft 120 can make mandrel 120 with respect to shell 110
It is axially moveable.Hatpin 140 is connected to the lower end of mandrel 120, and hatpin 140 is threadably secured with mandrel 120 and connect.Mandrel
120, which will drive hatpin 140 when moving axially along shell 110, moves together.Positioning joint 150 is fixedly connected under shell 110
End is in hollow structure, and is set in the outer surface of hatpin 140, i.e. a part of hatpin 140 protrudes into mandrel 120, another part
It protrudes into the hollow structure of positioning joint 150.Optionally, in the present embodiment, shell 110 and positioning joint 150 are connected using screw thread
It connects.Certainly, it is not limited to that, is also possible to clamping or other connection types, is not especially limited here.
Referring to figure 2., hatpin 140 is equipped with first latching tooth 143 far from one end of mandrel 120, and rope socket head 160 is equipped with second
Latch 165, first latching tooth 143 are selectively clamped with the second latch 165.Optionally, the one end of hatpin 140 far from mandrel 120
Equipped with claw 141, claw 141 is equipped with first latching tooth 143.Claw 141 can be integrally formed with hatpin 140, can also be seperated
It is fixedly connected.The quantity of claw 141 can be one, two, three or more, circumference of multiple claws 141 along hatpin 140
It is evenly spaced on, is enclosed clamping space 144 between multiple claws 141.Each claw 141 is close to clamping space 144
Side, the i.e. inside of claw 141 are equipped with first latching tooth 143.One end that hatpin 140 is connect with claw 141 is equipped with bellmouth, and (figure is not
Mark), which is connected to clamping space 144, and the setting of bellmouth is convenient for receiving rope socket head 160.
Referring to FIG. 3, first latching tooth 143 includes one or more first sawtooth (figure is not marked), when first in the present embodiment
When the quantity of sawtooth is multiple, multiple spaced first sawtooth form groove between two neighboring first sawtooth.Each
The section of one sawtooth is substantially trapezoidal, and each first sawtooth includes sequentially connected first tooth sideline 145, the second tooth sideline 146
With third tooth sideline 147, the first tooth sideline 145 is at certain angle of inclination, and the second tooth sideline 146 is substantially in vertical, the first tooth side
The angle formed between line 145 and the second tooth sideline 146 is about 95 degree to 110 degree, for example can be 100 degree.Third tooth sideline
147 and second the angle that is formed of tooth sideline 146 be obtuse angle, i.e. angle between third tooth sideline 147 and vertical line is at an acute angle.It needs
It is noted that herein it is horizontal, be for the placement status of diagram vertically, the left and right directions of paper is level side
To the up and down direction of paper is vertical direction.It sets in the first tooth sideline 145 to the angle tilted down, it can be fine
Ground blocks the second latch 165, plays support to the second latch 165, and the second latch 165 is empty from clamping after preventing lifting rope 101 to be broken
Between slip in 144;It is unbroken in lifting rope 101 simultaneously but after rope socket head 160 is caught in hatpin 140 due to maloperation, also facilitate by
Rope socket head 160 and hatpin 140 are detached from.Similarly, by third tooth sideline 147 be set as with vertical line setting at an acute angle, hanging in this way
Restrict 101 unbroken but after rope socket head 160 is caught in hatpin 140 due to maloperation, be also convenient for hatpin 140 is driven to move up, with
Separate hatpin 140 and rope socket head 160.
It is enclosed in addition, the clamping space 144 on hatpin 140 can be multiple claws 141, is also possible to pass through hatpin
140 itself form, for example, hatpin 140 opens up holding hole far from one end of mandrel 120, the holding hole as clamping space 144,
First latching tooth 143 is set on the inner wall of holding hole, for being clamped with rope socket head 160.The bottom of the holding hole also can be set
For taper, it is convenient for accommodating rope socket head 160.
Referring to FIG. 4, rope socket head 160 includes the first segmentation 161, changeover portion 162 and the second segmentation 163, changeover portion 162
One end is connect with the first segmentation 161, and the other end is connect with the second segmentation 163, and the outer diameter of the first segmentation 161 is less than the second segmentation
163 outer diameter, the second latch 165 are set in the first segmentation 161.First segmentation 161, changeover portion 162 and the second segmentation 163 both may be used
Be integrally formed, can also fission be fixedly connected.Second latch 165 is set in first segmentation 161.Further, changeover portion 162
In a circular table shape, i.e., the outer surface of changeover portion 162 is in the conical surface, from the second segmentation 163 on the direction of the first segmentation 161, transition
The diameter of section 162 is gradually reduced.In this way, manufacture easy to process, the stress for reducing rope socket head 160 is concentrated, meanwhile, it is also convenient for
Rope socket head 160 enters the clamping space 144 of hatpin 140 by positioning joint 150.
First segmentation 161 is whole cylindrical, is equipped with the conical surface far from one end of the second segmentation 163 in the first segmentation 161, just
Enter in clamping space 144 in the segmentation of guidance first 161.It is axially spaced in first segmentation 161 to be provided with multiple ring slots
164, the second latch 165 is formed between two neighboring ring slot 164.It should be appreciated that the second latch 165 can be caught in first latching tooth
In 143 groove, so that first latching tooth 143 and the second latch 165 realize clamping.
Referring to FIG. 5, further, positioning joint 150 is provided in the axial direction with interconnected first through hole 153 and second
Through-hole 155 is in hollow structure, and the opposite first through hole 153 of the second through-hole 155 is far from mandrel 120.Positioning joint 150 passes through first
Through-hole 153 is sheathed on hatpin 140, and the second through-hole 155 for rope socket head 160 for passing through.Optionally, the hole of first through hole 153
Diameter is greater than the outer diameter of hatpin 140, and hatpin 140 is moved in first through hole 153.Second through-hole 155 is in the shape of a trumpet, i.e.,
For bellmouth.The opening of second one end of through-hole 155 far from first through hole 153 is greater than the second through-hole 155 close to first through hole 153
One end opening.The hole wall of second through-hole 155 is used to limit rope socket head 160 and moves along the direction close to mandrel 120.It is easy reason
Solution, the small end aperture size of the second through-hole 155 are greater than the outer diameter of the first segmentation 161, and the radial dimension of respectively less than changeover portion 162
With the radial dimension of the second segmentation 163.When being moved up under castering action of the rope socket head 160 in lifting rope 101, rope socket head 160
First segmentation 161 can by the second through-hole 155 enter clamping space 144 in, and first be segmented 161 on the second latch 165
It is clamped with the first latching tooth 143 of hatpin 140, changeover portion 162 is stuck at the second through-hole 155, can not pass through, the second segmentation 163
The second through-hole 155 can not be passed through.Positioning joint 150 plays position-limiting action to rope socket head 160.In this way, it is unbroken in lifting rope 101 but
After rope socket head 160 is caught in hatpin 140 due to maloperation, rotary core shaft 120 drives hatpin 140 to move up, due to rope socket head
160, which are limited connector 150, blocks and can not continue to lift up, convenient for separating hatpin 140 and rope socket head 160.
Referring to FIG. 6, mandrel 120 offers the first centre bore, hatpin 140 offers the second centre bore, the first centre bore
It is interconnected and is located along the same line with the second centre bore, in the present embodiment, the axis of the first centre bore and the second centre bore
Axis be respectively positioned on the axis of mandrel 120.Lifting rope 101 can sequentially pass through the first centre bore, the second centre bore, and by limit
After the first through hole 153 of position connector 150 and the second through-hole 155, it is fixedly connected with rope socket head 160.Optionally, lifting rope 101 and rope
Cap head 160 connect one end be equipped with hook 103, link up with 103 radial dimension be greater than lifting rope 101 diameter, can effectively prevent
Lifting rope 101 and rope socket head 160 are detached from.Lifting rope 101 can use wirerope or other hawsers, be not especially limited here.
Mandrel 120 offers the first accommodation groove 121 and the second accommodation groove 123, and the first accommodation groove 121 is set to mandrel 120
Lower end, for installing hatpin 140.Second accommodation groove 123 is set to the upper end of mandrel 120, for installing lubricating cup 105.Hatpin 140 with
It is equipped with first seal 170 between mandrel 120, second seal 180 is equipped between lubricating cup 105 and mandrel 120.Optionally,
One accommodation groove 121 is located on the central axes of mandrel 120, and first seal 170 is arranged in the slot bottom of the first accommodation groove 121, and first is close
Sealing 170 is located between hatpin 140 and mandrel 120, for carrying out radial seal to lifting rope 101.Second accommodation groove 123 is located at
On the central axes of mandrel 120, second seal 180 is arranged in the slot bottom of the second accommodation groove 123, and second seal 180 is located in oil
Between cup 105 and mandrel 120, for carrying out radial seal to lifting rope 101.Lubricating cup 105, using being threadedly coupled, leads to mandrel 120
Rotation lubricating cup 105 is crossed to squeeze second seal 180, is able to achieve radial seal of the second seal 180 to lifting rope 101.First
Sealing element 170 and second seal 180 can use rubber block, installation through-hole is equipped on rubber block, so that lifting rope 101 is worn
It crosses.Optionally, first seal 170 uses self-styled packing, plays the role of radial seal to lifting rope 101.Second seal 180
Using frizing packing, plays the role of radial seal to lifting rope 101 and clean the effect of lifting rope 101.
Referring to FIG. 7, further, first seal 170, which is equipped with, squeezes slot 171, and hatpin 140 is equipped with pillar
1401, the insertion of pillar 1401 squeezes in slot 171.The quantity of pillar 1401 is equal with the quantity of slot 171 is squeezed, the ruler of pillar 1401
Very little, shape and the size of extruding slot 171, shape are adapted.Optionally, the cell wall for squeezing slot 171 is obliquely installed, and squeezes slot 171
Slot bottom size be less than notch size.In actual application, can use oily, gas and water well itself pressure is power, i.e.,
Pressure in well is applied in first seal 170, applies the pressure perpendicular to the cell wall for squeezing slot 171 to first seal 170
Power P, the component of 170 pressure of first seal radially is for sealing lifting rope 101, as shown, arrow indicates that first is close
Pressure suffered by sealing 170.In this way, having by borehole pressure and the force balance principle of self structure, the first seal 170
Self-adapting seal function applies axial pressure to sealing element without traditional manual manipulation mode, deforms sealing element
Realize the radial seal to lifting rope 101.First seal 170 and hatpin 140 in the present embodiment are embedded mode, can utilize
Pressure itself realizes the sealing radial to lifting rope 101 in well, automatic to compensate the abrasion loss after first seal 170 is used for a long time,
Ensure good, reliable sealing performance.
Referring to FIG. 8, optionally, the second segmentation 163 is connected with weighted lever 107 and tester 109, and weighted lever 107 is used for
Reduce the resistance in the decentralization moving process of lifting rope 101, so that 101 decentralization process of lifting rope is more steady, smooth.Due to lifting rope 101
In decentralization process, since first seal 170, the second seal 180 on lifting rope 101 are rubbed between lifting rope 101 respectively
Pressure difference caused by power and the difference in areas of 109 upper and lower end face of tester is wiped, it is larger that lifting rope 101 transfers suffered resistance.It is restricting
The second of cap head 160 is segmented connecting test instrument 109 on 163, connects a weighted lever 107 on tester 109, can balance pressure
Difference and frictional force reduce the resistance in 101 decentralization process of lifting rope.Certainly, it is not limited to that, weighted lever 107 can be direct
It is connected on rope socket head 160, also can connect on tester 109, be not especially limited here.
The embodiment of the present invention provides a kind of blowout hookup, prevents including lubricating cup 105 and such as any one of aforementioned embodiments
Fall and seal preventing spray head, lubricating cup 105 is fixedly connected with mandrel 120, and frizing packing is equipped between lubricating cup 105 and mandrel 120.It is optional
Ground, lubricating cup 105 is with mandrel 120 using being threadedly coupled, and lifting rope 101 enters in mandrel 120 after passing through lubricating cup 105, frizing packing, rotation
Frizing packing can be squeezed by turning lubricating cup 105, realize radial seal of the frizing packing to lifting rope 101.Survey is connected on rope socket head 160
Instrument 109 is tried, for the parameters under testing well.The blowout hookup can be adapted for the scenes such as oil well, well, gas well, application
Range is wide, after lifting rope 101 is pulled off, can effectively prevent tester 109 and falls, and reduces and salvages trouble.
The anti-lost sealing preventing spray head of one kind provided in this embodiment and blowout hookup, its working principle is that:
First, anti-lost principle: tester 109 has acquired data, and tester 109 is promoted by lifting rope 101.Work as tester
When the top of 109 arrival lubricators, once well testing truck operator continues upper lifting rope 101, lifting rope 101 is be easy to cause to be drawn
The contingency that disconnected, tester 109 is fallen.In the present embodiment, power needed for sticking into hatpin 140 as rope socket head 160, which is less than, is hung
The power that rope 101 is pulled off, before lifting rope 101 is pulled off, rope socket head 160 is pulled in hatpin 140 by the promotion of lifting rope 101, even if
Lifting rope 101 is broken, and rope socket head 160 is blocked by hatpin 140, can prevent tester 109 from falling to shaft bottom, is avoided salvaging and be tested
The tedious steps of instrument 109.Another situation, due to the fault of operator, maloperation causes rope socket head 160 to be promoted to hatpin
It is clamped in 140 and with hatpin 140, but lifting rope 101 and unbroken, only needs rotary core shaft 120 in this case, make 120 band of mandrel
Dynamic hatpin 140 moves up in shell 110, blocks, can not move up, core when the changeover portion 162 of rope socket head 160 is limited connector 150
Axis 120, which continues to rotate, drives hatpin 140 to move upwards, and hatpin 140 can be made to separate with rope socket head 160, rope socket head 160 after separation
It drop to 150 lower section of positioning joint.At this time, it may be necessary to reversely rotate mandrel 120 again, move downward mandrel 120 and hatpin 140,
Initial position is returned to, next time is grabbed card in preparation.
Second, sealing principle: being equipped with first seal 170 between mandrel 120 and hatpin 140, hatpin 140 is embedded to first
In the extruding slot 171 of sealing element 170, acted in first seal 170 using the pressure of itself in well, first seal 170
Suffered pressure, the component radially decomposed can be realized radial seal of the first seal 170 to lifting rope 101.By in well
The pressure of itself can compensate the abrasion loss of first seal 170 automatically, play self-adapting seal effect.Lubricating cup 105 and mandrel
It is equipped with second seal 180 between 120, applies axial force to second seal 180 by way of rotating lubricating cup 105, squeeze
Second seal 180 can play the sealing radial to lifting rope 101.
In conclusion the embodiment of the invention provides a kind of anti-lost sealing preventing spray head and blowout hookup, compact-sized, installation
Convenient disassembly can catch rope socket head 160, prevent the tester on rope socket head 160 and rope socket head 160 after lifting rope 101 is broken
109 fall.If since maloperation blocks rope socket head 160 by hatpin 140, but lifting rope 101 and unbroken, rotation can be passed through
Mandrel 120 separates rope socket head 160 and hatpin 140 to release clamped condition, and does not have to disassembly whole equipment and take out rope socket
First 160, then reinstall rope socket head 160 and be allowed to reset.By the way that first seal 170 and the second sealing are arranged in mandrel 120
Part 180 realizes two-stage sealing, so that the anti-lost sealing preventing spray head is with good sealing performance, and can compensate the automatically
The abrasion loss of one sealing element 170, sealing performance is reliable, long service life.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of anti-lost sealing preventing spray head, which is characterized in that including shell, lifting rope, anti-lost component and seal assembly, the sealing
Component includes mandrel, and the anti-lost component includes hatpin, rope socket head and positioning joint;
The mandrel is disposed in the housing and is flexibly connected with the shell;The hatpin is fixedly connected with the mandrel, institute
Positioning joint is stated to be set in outside the hatpin and be fixedly connected with the shell;The rope socket head can be selectively entered described
It is clamped in positioning joint and with the hatpin;
The lifting rope passes through the mandrel and the hatpin, and connect with the rope socket head.
2. anti-lost sealing preventing spray head according to claim 1, which is characterized in that the one end of the hatpin far from the mandrel
Equipped with first latching tooth, the rope socket head is equipped with the second latch, and the first latching tooth is selectively clamped with second latch.
3. anti-lost sealing preventing spray head according to claim 2, which is characterized in that the rope socket head includes the first segmentation, mistake
Section and the second segmentation are crossed, one end of the changeover portion and first segmentation connect, and the other end and second segmentation connect, institute
The outer diameter for stating the first segmentation is less than the outer diameter of second segmentation, and second latch is set in first segmentation.
4. anti-lost sealing preventing spray head according to claim 3, which is characterized in that the changeover portion is in a circular table shape.
5. anti-lost sealing preventing spray head according to claim 3, which is characterized in that second segmentation is connected with weighted lever.
6. anti-lost sealing preventing spray head according to claim 1, which is characterized in that the positioning joint is provided in the axial direction with phase
Intercommunicated first through hole and the second through-hole, the relatively described first through hole of the second through-hole is far from the mandrel;The limit
Connector is sheathed on the hatpin by the first through hole, and second through-hole is used to pass through for the rope socket head.
7. anti-lost sealing preventing spray head according to claim 6, which is characterized in that second through-hole is in the shape of a trumpet, institute
The opening for stating the one end of the second through-hole far from the first through hole is greater than second through-hole close to one end of the first through hole
Opening;The hole wall of second through-hole is used to limit the rope socket head and moves along the direction close to the mandrel.
8. anti-lost sealing preventing spray head according to claim 1, which is characterized in that the mandrel offers the first accommodation groove,
The hatpin is mounted in first accommodation groove, and first seal is equipped between the hatpin and the mandrel.
9. anti-lost sealing preventing spray head according to claim 8, which is characterized in that the first seal, which is equipped with, to be squeezed
Slot, the hatpin are equipped with pillar, and the pillar is embedded in the extruding slot.
10. a kind of blowout hookup, which is characterized in that including lubricating cup and anti-lost sealing as claimed in any one of claims 1-9 wherein
Preventing spray head, the lubricating cup are fixedly connected with the mandrel.
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CN201910893045.9A CN110439493A (en) | 2019-09-20 | 2019-09-20 | Anti-lost sealing preventing spray head and blowout hookup |
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CN201910893045.9A CN110439493A (en) | 2019-09-20 | 2019-09-20 | Anti-lost sealing preventing spray head and blowout hookup |
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