CN108131131A - Downhole operation tool - Google Patents
Downhole operation tool Download PDFInfo
- Publication number
- CN108131131A CN108131131A CN201711224622.2A CN201711224622A CN108131131A CN 108131131 A CN108131131 A CN 108131131A CN 201711224622 A CN201711224622 A CN 201711224622A CN 108131131 A CN108131131 A CN 108131131A
- Authority
- CN
- China
- Prior art keywords
- valve
- operation tool
- valve seat
- pin
- underground operation
- 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
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 18
- 230000001737 promoting effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 208000032765 Device extrusion Diseases 0.000 claims description 2
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 22
- 239000004615 ingredient Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing 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
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a downhole operation tool, comprising: the well dredging device is of a circular tubular structure, a plurality of strip-shaped bulges are arranged on the outer wall of the well dredging device at intervals, and a flow channel for flowing fluid is arranged between every two adjacent bulges; examination pressure mechanism, it includes: the valve comprises a valve pipe, a valve seat, a valve ball and a shearing pin, wherein the valve pipe is a circular pipe mechanism, the upper end of the valve pipe is connected with the lower end of the drift well device, and a pin hole for penetrating the shearing pin is formed in the valve pipe; the valve seat is in a circular tube shape, the inner surface of the upper end of the valve seat is used for being matched with the valve ball, and the outer surface of the valve seat is provided with a pin shearing groove for clamping the shearing pin; the punch is of a guide cone type structure and arranged at the lower end of the valve pipe, and a circulating hole is formed in the punch. The underground operation tool provided by the invention can complete three underground operations of drifting, oil pipe pressure testing and well washing in one time, and has higher construction safety.
Description
Technical field
The present invention relates to oil-gas mining technical field, more particularly to a kind of underground operation tool.
Background technology
Drifting, oil pipe pressure test, well-flushing are the key links during SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL sand control field operation pit shaft prepares.Its
In, the purpose of drifting is to verify the integrality of pit shaft；The purpose of oil pipe pressure test is to verify the integrity of oil pipe used in construction operation；
The purpose of well-flushing is to ensure that pit shaft is clean, is the important safety that SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL sand control site operation evades construction risk
Behave.
The drifting of previous SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL sand control field operation pit shaft preparation, oil pipe pressure test, well-flushing are independent works
What industry tubing string was completed, it comes with some shortcomings：Working string operating cost independent first is high, duty cycle is long；Secondly current institute
For the gauguste cutter used for cylinder cast gauguste cutter, the flow channel for liquids area of this gauguste cutter is small to be unfavorable for well-flushing, while remove work
Suction, surge pressure during industry is big, and there are larger construction safety hidden danger.
The invention devises the underground work drifting, pressure testing, well-flushing tool of a kind of integral type, can be completed with one-trip string logical
Three well, oil pipe pressure test, well-flushing underground work, while there is higher working security.
Invention content
The object of the present invention is to provide a kind of underground operation tools, the defects of can overcoming in the prior art, realize one time
Tubing string completes three drifting, oil pipe pressure test, well-flushing underground work, and with higher working security.
Following technical proposal can be used to realize in the above-mentioned purpose of the present invention：
A kind of underground operation tool, including：
The drifting device of cylindrical structure, with opposite top and bottom, interval is set on the outer wall of the drifting device
Multiple strip bulges are equipped with, the runner for flow-through fluid is formed between the two neighboring protrusion；
Pressure testing mechanism, including：Valve pipe, valve ball, cuts pin at valve seat, wherein,
The valve pipe is pipe mechanism, and the upper end connect with the drifting device lower end, is provided with to wear on the valve pipe
If the pin hole for cutting pin；
The valve seat is circular tube shaped, and the upper end inner surface is used for and valve ball cooperation, the outer surface setting of the valve seat
It is useful for card and sets the pin cut groove for cutting pin；
In the punch for leading tapered structure, the punch is arranged on the lower end of the valve pipe, and cycle is provided on the punch
Hole.
In one preferred embodiment, the runner includes at least the spiral flow circumferentially to rotate a circle
Road.
In one preferred embodiment, the runner includes the first straight channel of transition, helical flow path, second successively
Straight channel.
In one preferred embodiment, the end set of the drifting device protrusion has chamfering.
In one preferred embodiment, the pressure testing mechanism further includes：Sealing ring, the valve seat outer surface are also set up
There is sealed groove, the sealing ring is installed in the sealed groove.
In one preferred embodiment, the number of the sealing ring is two, and the number of the sealed groove is also
Two, two sealed grooves are distributed along the axially spaced-apart of the valve seat.
In one preferred embodiment, the sealing ring or sealed groove are located at the break pin and nail on portion, close
The upper end of the valve seat.
In one preferred embodiment, hoisting mechanism is additionally provided with, the hoisting mechanism includes：Box cupling and promotion are short
It connects, the lower end connection upper end for promoting short circuit of the box cupling, the lower end for promoting short circuit connects the upper of the drifting device
End.
In one preferred embodiment, the maximum outside diameter of the underground operation tool is the outer diameter of the drifting device,
The outer diameter of the drifting device is less than the internal diameter of wellbore casing to be tested.
The features and advantages of the invention are：Underground operation tool provided herein is sequentially connected logical by setting
The defects of well device, pressure testing mechanism, punch can overcome in the prior art realizes that one-trip string completes drifting, oil pipe pressure test, well-flushing
Three underground work, and with higher working security.
With reference to following explanation and attached drawing, the particular implementation of the application is disclosed in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms of profit requirement, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
Used in a other embodiment, with the feature in other embodiment it is combined or substitute other embodiment in feature.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Description of the drawings
Fig. 1 is a kind of structure diagram of underground operation tool in the application embodiment；
Fig. 2 is a kind of semi-cutaway of the drifting device of underground operation tool in the application embodiment；
Fig. 3 is a kind of drifting device outer circle expanded view of underground operation tool in the application embodiment；
Fig. 4 is a kind of pressure testing mechanism of underground operation tool in the application embodiment and the semi-cutaway of punch.
Reference sign：
1st, box cupling；2nd, short circuit is promoted；3rd, drifting device；30th, helical flow path；31st, the first straight channel；32nd, the second straight channel；
10th, pressure testing mechanism；4th, valve pipe；5th, valve ball；6th, sealing ring；7th, pin is cut；8th, valve seat；9th, punch.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, elaborate to technical scheme of the present invention, it should be understood that these
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, this field skill
Art personnel each fall in the application range as defined in the appended claims the modification of the various equivalent forms of the present invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
It should be noted that when element is referred to as " being set to " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " on ",
" under ", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
The present invention provides a kind of underground operation tool, the defects of can overcoming in the prior art, realizes that one-trip string is completed
Three drifting, oil pipe pressure test, well-flushing underground work, and with higher working security.
It please refers to Fig.1 to Fig. 2, provides a kind of underground operation tool in the application embodiment, can include：In pipe
With opposite top and bottom, multiple bar shapeds are arranged at intervals on the outer wall of the drifting device 3 for the drifting device 3 of shape structure
Protrusion, it is two neighboring it is described protrusion between formed for flow-through fluid runner；Pressure testing mechanism 10, including：Valve pipe 4, valve seat
8th, valve ball 5, cutting pin 7, wherein, the valve pipe 4 is pipe mechanism, and the upper end is connect with 3 lower end of drifting device, the valve
It is provided with to wear the pin hole for cutting pin 7 on pipe 4；The valve seat 8 be circular tube shaped, the upper end inner surface be used for and
The valve ball 5 coordinates, and the outer surface of the valve seat 8 is provided with sets the pin cut groove for cutting pin 7 for card；In starting taper
The punch 9 of type structure, the punch 9 are arranged on the lower end of the valve pipe 4, trepanning are provided on the punch 9.
In the present embodiment, the drifting device 3 is for the drifting tool as underground work.The underground operation tool
Maximum outside diameter be the drifting device 3 outer diameter.Specifically, 3 length of drifting device, outer diameter are referred to wanting for professional standard
It asks, about the specific size of the drifting device 3, the application does not make specific limit herein.On the whole, the drifting device 3 is in circle
Tubular structure, the middle part is provided with through hole, the drifting device 3 has opposite top and bottom.Wherein, close to drifting device 3
Screw thread is respectively arranged on the inside of both ends.Specifically, the screw thread can be to meet tubing round thread as defined in professional standard.Wherein,
The first internal thread is provided on the inside of the upper end of the drifting device 3, first internal thread is used to connect hoisting mechanism.It is close
The lower end inside of the drifting device 3 is provided with the second internal thread, and second internal thread is used to connect pressure testing mechanism 10.
Specifically, the hoisting mechanism can include box cupling 1 and promote short circuit 2.The box cupling 1 and promotion short circuit 2 can be adopted
By the use of the tubing thread of Industry code requirements as bindiny mechanism.In addition, the specification of the box cupling 1 and promotion short circuit 2 can be
Meet the size of Industry code requirements, the application does not make specific limit herein.During specific connection, the lower end of the box cupling 1
The upper end for promoting short circuit 2 is connected, the lower end for promoting short circuit 2 connects the upper end of the drifting device 3.It the box cupling 1 and carries
Rise the hoisting mechanism that cooperatively forms of short circuit 2 can meet buckle pipe elevator, the well heads operation requirement such as button on hydraulic tongs.
In the present embodiment, multiple strip bulges, two neighboring protrusion are arranged at intervals on the outer wall of the drifting device 3
Between be for flow-through fluid runner.Specifically, referring to Fig. 2, the runner, which includes at least, circumferentially rotates one
The helical flow path 30 in week, that is to say, that the 3 axis projection outer profile of drifting device be it is complete round, with meet underground drifting and
The requirement of well-flushing.For example, when internal surface of sleeve pipe has local deformation, which is used to ensure that the local deformation position also can
It is enough to be contacted by the drifting device 3, without being missed when being stuck in runner.In addition, the outer wall of the drifting device 3 is provided with spiral
After runner 30, it can also enhance shaving effect of the drifting device 3 to the borehole wall.
Specifically, the runner can include the first straight channel 31 of transition, helical flow path 30, the second straight channel 32 successively.
Certainly, the concrete form of the runner is not limited to the example above, and the application does not make specific limit herein.
Further, the end of 3 protrusion of drifting device can set chamfering, and the chamfering can be in order to the drifting device
3 tripping in act pit shaft.
In the present embodiment, the lower end of the drifting device 3 is connected with pressure testing mechanism 10, which can form
There are ball-and-seat mechanism and shearing mechanism.Specifically, the pressure testing mechanism 10 can include：Valve pipe 4, valve seat 8, valve ball 5 and break pin
Nail 7.
Wherein, the valve pipe 4 can be circular tube structure, and 4 both ends of valve pipe are machined with connection screw thread respectively, and the upper end connects
The lower end connection screw thread for connecing screw thread and the drifting device 3 is in mating connection；The 4 lower end connection screw thread of valve pipe and the company of punch 9
It is in mating connection to connect screw thread.Specifically, the connection screw thread on the valve pipe 4 can be to meet tubing round thread as defined in professional standard.
The valve seat 8 can also generally circular tube shaped.8 outer surface of valve seat can be provided with pin cut groove, be used for
The shear pin is set.The 8 endoporus upper end of valve seat can process tapered fillet surface, the tapered fillet surface and the valve ball
Preferably gluing, sealing effect can be played during 5 cooperation.
The pressure testing mechanism 10 can also include sealing ring 6, and 8 outer surface of valve seat is also provided with sealed groove,
The sealing ring 6 is installed in the sealed groove, and gap of the sealing ring 6 between valve pipe 4 and valve seat 8 is played sealing and made
With.In order to preferably ensure the sealing performance between the valve seat 8 and valve pipe 4, the number of the sealing ring 6 can be 2, institute
The number for stating sealed groove may be two accordingly.Two sealed grooves can be along the axially spaced-apart cloth of the valve seat 8
It puts.The sealing ring 6 or sealed groove are located at the top for cutting pin 7, close to the upper end of the valve seat 8 so that whole
It is rational in infrastructure, when suppressing, it can realize the cutting for preferably building the pressure and smoothly completing and cut pin 7.
4 lower end of valve pipe processes pin hole, and the cutting pin 7 is installed in pin hole, and the cutting pin 7 can be with
Material, quantity and the size of pin 7 are cut by the requirement design of oil pipe pressure test pressure.
In the present embodiment, the underground operation tool further includes the punch 9 positioned at lower end.The punch 9 can conduct
Underground work drifting, pressure testing, well-flushing tool well-flushing part.Specifically, the punch 9 can be in lead tapered structure, the punch 9
Upper end is machined with connection screw thread, and the connection screw thread of the punch 9 is connected with above-mentioned 4 lower end connection screw thread of valve pipe, institute's punch 9
Lower end is coniform, and circulation port is machined in the lower end cone face of the punch 9, and the circulation port is used to connect the inside and outside of punch 9,
Play the role of inside and outside liquid circulation circulation.
In the present embodiment, the drifting device 3 is used as drifting tool, and the pressure testing mechanism 10 is used as pressure test tool, institute
It states punch 9 and is used as well-flushing tool, the hoisting mechanism is as hoisting tool.When it is implemented,
When realizing drifting function using the underground operation tool, connect the drifting tool with oil pipe, pressure test tool, wash
Well tool, G.I.H, 3 outer diameter of drifting device of tool is slightly less than the wellbore casing internal diameter to be examined, if drifting device 3
Design drifting depth can be smoothly reached, it is completely without necking deformation to illustrate examined wellbore casing.If drifting device 3 cannot
Design drifting depth is smoothly reached, illustrates that there are necking deformations for examined wellbore casing.
When realizing oil pipe pressure test function using the underground operation tool, the above-mentioned drifting work connected with oil pipe is utilized
Tool, pressure test tool, well-flushing tool after projected depth, are just being suppressed from oil pipe, due to being formed with ball-and-seat in pressure test tool,
Liquid cannot circulate.Oil pipe plays pressure at this time, after pressure rises to design pressure, voltage stabilizing to the time designed.If pressure drop meets
The requirement of design illustrates that the resistance to pressure energy of oil pipe used meets the requirement of follow-up gravel pack service.Continue to suppress, the break pin
Nail 7 is cut, and valve seat 8 is fallen into punch 9, and liquid stream flow to tool exterior, pressure release by the circulation port on punch 9.
When realizing well-flushing function using the underground operation tool, due to the drifting tool, pressure test tool, well-flushing tool
Ball-and-seat designed by inside is that one kind is just suppressing pressure testing mechanism 10, and going into the well, it is obstructed just to wash in the process, but can backwash at any time
Well.Flushing fluid is injected by oil jacket annular space to be entered through tool bottom punch 9 in oil pipe.It, can be anti-at any time once midway needs well-flushing
Well-flushing.After oil pipe pressure test, the drifting, pressure testing, well-flushing tool can also realize positive well-flushing.It can be by script in pit shaft
The booty that existing oil, mud, sand, wax are scraped when 3 scraping internal surface of sleeve pipe of fouls and drifting device flushes out pit shaft together.
To sum up, a kind of underground operation tool provided by the invention, by setting sequentially connected drifting device 3, pressure testing
The defects of mechanism 10, punch 9 can overcome in the prior art realizes that one-trip string completes three drifting, oil pipe pressure test, well-flushing wells
Lower operation, and with higher working security.
Herein cited any digital value all include between lower limiting value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68th, 43 to 51,30 to 32 is equivalent.For being less than 1 value, it is 0.0001,0.001,0.01,0.1 suitably to think a unit.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed herein, including patent application and publication, for various purposes by helping
Draw and be hereby incorporated by.Describe combination term " substantially by ... forms " should including identified element, ingredient, component or step with
And other elements, ingredient, component or step essentially without the basic novel feature for influencing the combination.Use term "comprising"
Or " comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, portion
The embodiment that part or step are formed.Here by using term " can with ", it is intended to illustrate described that " can with " includes
What attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used for
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
Above-mentioned each embodiment in this specification is described by the way of progressive, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.
The foregoing is merely several embodiments of the invention, although disclosed herein embodiment as above, institute
Content is stated only to facilitate the embodiment for understanding the present invention and using, is not intended to limit the present invention.Any institute of the present invention
Belong to those skilled in the art, do not depart from disclosed herein spirit and scope under the premise of, can be in embodiment
Formal and details on make any modification and variation, but the scope of patent protection of the present invention, still must be with appended claims
Subject to the range that book is defined.
Claims (10)
1. a kind of underground operation tool, which is characterized in that including：
The drifting device of cylindrical structure with opposite top and bottom, is arranged at intervals on the outer wall of the drifting device
Multiple strip bulges, it is two neighboring it is described protrusion between formed for flow-through fluid runner；
Pressure testing mechanism, including：Valve pipe, valve ball, cuts pin at valve seat, wherein,
The valve pipe is pipe mechanism, and the upper end connect with the drifting device lower end, is provided on the valve pipe for wearing
State the pin hole for cutting pin；
The valve seat is circular tube shaped, and the upper end inner surface is used for and valve ball cooperation, and the outer surface setting of the valve seat is useful
The pin cut groove of pin is cut described in Yu Kashe；
In the punch for leading tapered structure, the punch is arranged on the lower end of the valve pipe, and circulation port is provided on the punch.
2. underground operation tool as described in claim 1, which is characterized in that the runner, which includes at least, circumferentially to be revolved
The helical flow path to circle.
3. underground operation tool as claimed in claim 2, which is characterized in that the runner includes the first direct current of transition successively
Road, helical flow path, the second straight channel.
4. the underground operation tool as described in claims 1 to 3 is any, which is characterized in that the end of the drifting device protrusion is set
It is equipped with chamfering.
5. underground operation tool as described in claim 1, which is characterized in that the pressure testing mechanism further includes：Sealing ring, it is described
Valve seat outer surface is additionally provided with sealed groove, and the sealing ring is installed in the sealed groove.
6. underground operation tool as claimed in claim 5, which is characterized in that the number of the sealing ring is two, described close
The number for sealing groove is also two, and two sealed grooves are distributed along the axially spaced-apart of the valve seat.
7. such as underground operation tool described in claim 5 or 6, which is characterized in that the sealing ring or sealed groove are located at institute
It states break pin and nails on portion, close to the upper end of the valve seat.
8. underground operation tool as described in claim 1, which is characterized in that be additionally provided with hoisting mechanism, the hoisting mechanism
Including：Box cupling and promotion short circuit, the lower end connection upper end for promoting short circuit of the box cupling, the lower end for promoting short circuit connects
Connect the upper end of the drifting device.
9. underground operation tool as described in claim 1, which is characterized in that the maximum outside diameter of the underground operation tool is institute
The outer diameter of drifting device is stated, the outer diameter of the drifting device is less than the internal diameter of wellbore casing to be tested.
10. underground operation tool as described in claim 1, which is characterized in that the inner surface of the valve seat upper end falls for taper
Edged surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224622.2A CN108131131A (en) | 2017-11-29 | 2017-11-29 | Downhole operation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224622.2A CN108131131A (en) | 2017-11-29 | 2017-11-29 | Downhole operation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131131A true CN108131131A (en) | 2018-06-08 |
Family
ID=62388840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711224622.2A Pending CN108131131A (en) | 2017-11-29 | 2017-11-29 | Downhole operation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182717A (en) * | 2021-04-07 | 2022-10-14 | 中国石油化工股份有限公司 | Anti-blocking device of water injection well testing instrument |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1959368A (en) * | 1932-10-05 | 1934-05-22 | Kennedye Oil Field Devices Inc | Means and method of centrally positioning alpha tube within an open well hole |
| CN2646376Y (en) * | 2003-10-21 | 2004-10-06 | 大庆油田有限责任公司 | Double helix water well cleaner |
| CN201581867U (en) * | 2010-01-18 | 2010-09-15 | 大庆市鹤翔机械有限公司 | Wax scraping and sand flushing well passer |
| CN101988375A (en) * | 2009-07-31 | 2011-03-23 | 浙江金龙自控设备有限公司 | Intelligent tractor hoist of deep well in oil field |
| CN201826811U (en) * | 2010-10-12 | 2011-05-11 | 谢照宽 | Drifting scraping device |
| CN205532494U (en) * | 2016-04-20 | 2016-08-31 | 扬州睿德石油机械有限公司 | Pigging scraping integration tool |
| CN205876272U (en) * | 2016-08-18 | 2017-01-11 | 中国石油天然气股份有限公司 | Impact drill type telescopic scraping well dredging device capable of ensuring smoothness of test channel |
-
2017
- 2017-11-29 CN CN201711224622.2A patent/CN108131131A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1959368A (en) * | 1932-10-05 | 1934-05-22 | Kennedye Oil Field Devices Inc | Means and method of centrally positioning alpha tube within an open well hole |
| CN2646376Y (en) * | 2003-10-21 | 2004-10-06 | 大庆油田有限责任公司 | Double helix water well cleaner |
| CN101988375A (en) * | 2009-07-31 | 2011-03-23 | 浙江金龙自控设备有限公司 | Intelligent tractor hoist of deep well in oil field |
| CN201581867U (en) * | 2010-01-18 | 2010-09-15 | 大庆市鹤翔机械有限公司 | Wax scraping and sand flushing well passer |
| CN201826811U (en) * | 2010-10-12 | 2011-05-11 | 谢照宽 | Drifting scraping device |
| CN205532494U (en) * | 2016-04-20 | 2016-08-31 | 扬州睿德石油机械有限公司 | Pigging scraping integration tool |
| CN205876272U (en) * | 2016-08-18 | 2017-01-11 | 中国石油天然气股份有限公司 | Impact drill type telescopic scraping well dredging device capable of ensuring smoothness of test channel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182717A (en) * | 2021-04-07 | 2022-10-14 | 中国石油化工股份有限公司 | Anti-blocking device of water injection well testing instrument |
| CN115182717B (en) * | 2021-04-07 | 2025-01-28 | 中国石油化工股份有限公司 | Anti-jamming device for water injection well testing instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204326983U (en) | Tubing string string | |
| CN102482927B (en) | Apparatus and method for sealing subterranean boreholes and performing other wireline downhole rotary operations | |
| CN104196464A (en) | Tubular column string and bridge plug setting and sand blasting perforation combining method | |
| CN104632126A (en) | Bridge plug with large drift diameter and setting method of bridge plug | |
| CN208502731U (en) | A kind of solvable bridge plug of minor diameter | |
| CN104653154B (en) | Drifting and scraping integrated tool | |
| CN105041255A (en) | Hole bottom combined drilling tool used for fishing broken falling objects in drilled hole and fishing method of hole bottom combined drilling tool | |
| US10081996B2 (en) | One trip tubular cutting and milling down tube and associated collars | |
| CN109763786B (en) | Complete fixture for taking, replacing and well cementing underground damaged casing | |
| CN104763367A (en) | Drifting and pipe scraping integrated tool | |
| CN108131131A (en) | Downhole operation tool | |
| CN110847860A (en) | Casing pipe scraper | |
| CN206129237U (en) | Curette is led to to integral type | |
| CN207499844U (en) | With brill pipeline scraper | |
| CN203603815U (en) | Through scraping integration down well equipment | |
| CN111305783A (en) | Fishing device and fishing method for underground junk | |
| US11193350B2 (en) | Well tool having a removable collar for allowing production fluid flow | |
| CN207111019U (en) | Combined type junk mill for different hole diameters | |
| CN204492759U (en) | Multifunctional rotary sleeve pipe leads to curette | |
| CN211287623U (en) | Casing pipe scraper | |
| CN204754873U (en) | Belt cleaning device is scraped to sleeve pipe | |
| CN110410038B (en) | Scraper controllable drilling plug-well-scraping integrated device and operation process method | |
| CN212671632U (en) | Drifting gauge tool and drifting tubular column | |
| CN212027719U (en) | Fishing device for underground falling objects | |
| CN209875099U (en) | Drifting wall scraping and horn mouth milling integrated tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180608 |
|
| WD01 | Invention patent application deemed withdrawn after publication |