CN208415225U - Packer permeability test equipment - Google Patents
Packer permeability test equipment Download PDFInfo
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- CN208415225U CN208415225U CN201820934104.3U CN201820934104U CN208415225U CN 208415225 U CN208415225 U CN 208415225U CN 201820934104 U CN201820934104 U CN 201820934104U CN 208415225 U CN208415225 U CN 208415225U
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Abstract
A kind of packer permeability test equipment disclosed in the present application, comprising: core pipe, be socketed on core pipe surface and the capsule that can be relatively sliding and the drilling rod above core pipe；Wherein, capsule is equipped with water filling cavity and pressure water cavity, and pressure water cavity is equipped with water outlet, its water outlet of underlying capsule is equipped with filler block；Core pipe surface is equipped with the water filling port for filling the water to water filling cavity and pressure water cavity, and core pipe bottom is equipped with plug.The application controls the transformation of capsule inner lead by pushing and above proposing core pipe, to the switching for realizing single pipeline while controlling capsule water-filling, pressing the movements such as water cavity pressure water, capsule sluicing, it avoids multiple pipe laying and brings winding problem between pipeline, reduce equipment investment and cost, improves effect；Complete opening is arbitrarily segmented packer permeability test after realizing whole hole, and be carried out continuously multistage test, avoid with probing cross jamming, reduce repetition mention, lower brill, substantially increase effect, reduce costs.
Description
Technical field
The present invention relates to Water Resources Domains, and in particular to a kind of packer permeability test equipment.
Background technique
It needs first to explore ground using packer permeability test before building water conservancy projects, and according to determining pair of exploration result
The seepage control measure answered.Packer permeability test is that hydraulic pressure is entered drilling with high pressure mode, is let it pass according to rock body water absorption meter and solves rock cranny
A kind of in-situ test of developmental state and water penetration.Packer permeability test is the boring test with special seal installation certain length
Section isolates, and then with fixed head to this section of fields water injection, water is permeated by the crack around hole wall into rock mass,
The water finally permeated can tend to a stationary value.According to pressure water head, examination segment length and stablize infiltration water, it is possible to determine that rock
The power of body water penetration.
Existing packer permeability test is mainly that the modes such as mechanical press, air pressure, hydraulic pressure make rubber plug expansion water-stop, is then tested
The packer permeability test of section.
Machinery press is most traditional sealing mode, the embolism mechanically pressed be located at top rod and lower part drilling rod it
Between, control top rod pushes before test, and such embolism is vertically compressed between top rod and lower part drilling rod, is laterally swollen
It is swollen, and then fitted closely with hole wall, achieve the effect that sealing.Then packer permeability test is carried out to water filling below embolism by drilling rod.
This method equipment simple operations difficulty is small, but effect is low.It needs to carry out immediately following drilling depth, be needed if every dozen complete one section (such as 5m)
Do one section of test, such drilling equipment and packer permeability test equipment needs frequently are used alternatingly, cause largely to repeat installation with
Operation is dismantled, in case of rock-mass quality is bad, embolism cannot be sealed effectively the case where, trip-out repeatedly, lower drilling is even more needed to go
It checks, allotment bottom bar length, wastes a large amount of time cost.
And vapour-pressure type embolism and hydraulic type embolism use two circuits mostly, it is a set of for expanding embolism (water or gas), one
Casing pressure water (or gas), equipment is more, and pipeline is complicated, and at high cost, multi-process handling, and energy consumption is high.
Summary of the invention
Packer permeability test equipment disclosed in this invention, it is intended to solve that existing packer permeability test equipment effect is low, cost is big to ask
Topic.
A kind of packer permeability test equipment disclosed in the present application, comprising:
Core pipe, the core pipe surface are socketed with capsule, and the core pipe can be along its axially opposing capsule slide, the core
Bottom of the tube is equipped with plug；
Capsule, the capsule both ends are connect with the core pipe face seal, and the capsule side is with deformability
Crust, the capsule, which is equipped with, makes the water filling cavity of the crust bulging for water-filling, and to the capsule external water flood
Water cavity is pressed, the pressure water cavity is equipped with the water outlet being connected to outside the capsule, and the water outlet is set to the capsule bottom；
Along axially-spaced setting two of the core pipe, underlying capsule is equipped with described for blocking the capsule
The filler block of water outlet；
The core pipe surface is equipped with the water filling port for filling the water to the water filling cavity and the pressure water cavity；The core pipe is opposite
The mobile connection that the water filling port and water filling cavity can be switched or press water cavity of the capsule；
Drilling rod, the drilling rod are set to above the core pipe, fill the water for moving the core pipe, and into the core pipe.
The packer permeability test equipment, wherein between the crust and the core pipe be equipped with casing, described sleeve pipe with it is described
It is water filling cavity between crust, described sleeve pipe tube wall is equipped with the limbers being connected to the water filling cavity.
The packer permeability test equipment, wherein isolation ring, the isolation ring and the core pipe are fixed with inside described sleeve pipe
And sleeve surface is tightly connected, the space between described sleeve pipe and the core pipe and below isolation ring forms the pressure water
Chamber.
The packer permeability test equipment, wherein the core pipe surface is equipped with the limit for limiting the core pipe sliding scale
Position part.
The packer permeability test equipment, wherein at the top of the capsule and bottom is respectively equipped with and the core pipe face seal
The top cover and pedestal of connection, crust are fixed between the top cover and the pedestal, and the locating part is located on the water filling port
Below square top cover；When the locating part closes on the top cover, the water filling port is connected to the water filling cavity, and the locating part closes on
When the pedestal, the water filling port is connected to the pressure water cavity.
The packer permeability test equipment, wherein described sleeve pipe includes the upper casing and setting of casing being mutually butted, the upper set
Tube bottom end is threadedly coupled with the isolation ring outer ring with the setting of casing top, and the limbers is opened in the upper sleeve surface
If.
The packer permeability test equipment, wherein the core pipe bottom end is fixedly connected with troubleshooting head, and troubleshooting head bottom is in
Cone.
The packer permeability test equipment, wherein the channel being connected to the core pipe is equipped at troubleshooting head center, it is described
Plug is located at the troubleshooting head bottom center, and is threadedly coupled with the vias inner walls.
The packer permeability test equipment, wherein the filler block is connect with the water outlet inner thread.
The packer permeability test equipment, wherein the core pipe includes the inner tube mutually spliced and outer tube, said inner tube top
In the capsule, the water filling port is opened in said inner tube and closes on top end, and said inner tube bottom is by the capsule bottom
It stretches out outside the capsule, the outer tube bottom end is protruded into the capsule and is fixedly connected with said inner tube top.
The present invention provides a kind of packer permeability test equipment, by pushing and above proposing core pipe to control the change of capsule inner lead
It changes, to realize single pipeline while control the switching of the movements such as capsule water-filling, pressure water cavity pressure water, capsule sluicing, avoids more
Pipe laying brings the winding problem between pipeline again, reduces equipment investment and cost, improves effect；Realize complete opening behind whole hole
Any segmentation packer permeability test, and be carried out continuously multistage test, avoids the cross jamming with probing, reduce repetition mention, lower brill,
Effect is substantially increased, is reduced costs；Using the variation of the self weight of equipment, the frictional force of hole wall and equipment room relative position,
Realize low energy consumption, environmentally protective；Head of removing obstacles can dredge barrier on hole wall, and card is avoided the general drilling accident such as to bury, without examination
Experiment device is proposed again, is transferred, and improves effect, decreases the possibility damage or loss of equipment；The crust expansion of capsule is received
Shrinkage is big, big with hole wall contact area, good with hole wall sealing effect after expansion.
Detailed description of the invention
Fig. 1 is the structure principle chart in the embodiment of the present invention, when packer permeability test equipment uses；
Fig. 2 is the structural schematic diagram of capsule in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of filler block in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram before packer permeability test equipment water-filling in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram in the embodiment of the present invention, when water filling cavity water-filling；
Fig. 6 is the structural schematic diagram in the embodiment of the present invention, when pressure water cavity fills the water.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
The present invention provides a kind of packer permeability test equipment, as shown in Figure 1-Figure 3, including core pipe 1, it is socketed on 1 surface of core pipe
Capsule 2, and the drilling rod 3 being fixedly connected with core pipe 1.Wherein, the bottom of core pipe 1 is equipped with dismountable plug 10, for sealing
The bottom of core pipe 1, avoids leak, and core pipe 1 can be slided along its axially opposing capsule 2.The part that core pipe 1 is located inside capsule 2 is set
The water filling port 11 of oriented 2 internal water flooding of capsule.
Capsule 2 is along the axially-spaced setting two of core pipe 1, and the structure of two capsules 2 is identical, 2 both ends of capsule
It is tightly connected with core pipe 1, side is the crust 20 with very big elastic deformation ability and toughness, such as rubber skin.Inside capsule 2
Equipped with water filling cavity 21, and the pressure water cavity 22 being mutually separated with water filling cavity 21.The bottom of capsule 2 is offered to be gone out with what pressure water cavity 22 was connected to
The mouth of a river 220,220 one end of water outlet connection pressure water cavity 22, the test section between the other end and two capsules 2 are connected to.Such as Fig. 2 institute
Show, filler block 221 is equipped at the water outlet 220 of underlying capsule 2, the water outlet 220 of the capsule 2 is blocked, so that examination
The water for testing section indentation can not be flowed out from the capsule 2.Filler block 221 is by being screwed on the inner wall of water outlet 220, using this
The dismountable structure of kind, 2 structure of upper and lower two capsules can be identical, it is not necessary that underlying capsule 2 is prepared separately, as long as
Use and preceding 2 bottom of capsule is screwed into filler block 221 as the capsule being arranged below, so that single capsule 2 has
Versatility, when underlying capsule 2 damage when, at any time can the water outlet 220 of other capsules 2 screw filler block 221 into
Row replacement, had not only reduced the production cost of equipment, but also will not influence engineering progress, and convenient for operation.
As shown in Figures 2 and 3, the top of capsule 2 and bottom are respectively equipped with top cover 23 and pedestal 24, core pipe 1 by top cover 23 and
Capsule 2 is passed through at 24 center of pedestal, top cover 23, pedestal 24 are tightly connected with 1 surface contact position of core pipe by sealing ring 4.Crust
20 both ends are separately fixed at the outer rim of top cover 23 and pedestal 24, are formed one by crust 20, top cover 23 and pedestal 24 in this way
The capsule 2 of sealing.
Casing 5 is additionally provided between 1 outer surface of crust 20 and core pipe, 5 both ends of casing are sealed with top cover 23 and pedestal 24 respectively
Connection, is formed water filling cavity 21,5 surface of casing is additionally provided with for being connected to water filling cavity 21 between such casing 5 and crust 20
Limbers 50.In this way, the water flow in core pipe 1 can be injected by water filling port 11 and limbers 50 when needing to 2 water-filling of capsule
To water filling cavity 21, so that the expansion of crust 20 is to fit closely the effect for playing sealing with hole wall.Casing 5 is internally located at interposition
It sets and is additionally provided with isolation ring 51, the inner surface of casing 5 is fixed on the outside of isolation ring 51, inside is close by sealing ring 4 with 1 surface of core pipe
Envelope connection, in this way, the space between casing 5 and core pipe 1 is separated into two parts by isolation ring 51, is located above through limbers 50
The part being connected to water filling cavity 21 is adapter cavity 52, and water cavity 22 is pressed in the part of lower section.Water outlet 220 is arranged in 24 table of pedestal
Face, and symmetrical open up at least two.
1 outer surface of core pipe is located above water filling port 11, below top cover 23 and closes on fixed finite place piece 12, limit at top cover 23
The fluctuation range of core pipe 1 is limited between top cover 23 and isolation ring 51 by position part 12, when core pipe 1 moves up until locating part 12
When contacting with 23 inner surface of top cover, water filling port 11 is located just at the top of isolation ring 51, is connected by adapter cavity 52 and water filling cavity 21
It is logical；When core pipe 1 moves down until when locating part 12 is in contact with isolation ring 51, water filling port 11 be located at below isolation ring 51 and with
Water cavity 22 is pressed to be connected to.In this way, moving up and down i.e. changeable water filling port 11 and water filling cavity 21 and pressure water cavity 22 by control core pipe 1
Connection.
For the ease of manufacturing and repairing, the casing 5 in the present embodiment is that the upper casing 53 being mutually butted and setting of casing 54 are spelled
It connects to be formed, wherein the top of upper casing 53 is equipped with the inner wall of 54 bottom end of setting of casing to be mutually engaged with the outer surface of isolation ring 51
Internal screw thread, in this way, upper casing 53 and setting of casing 54 just are connected through a screw thread to form entire casing 5 by isolation ring 51.Using this
The structure of sample produces and assembly is all relatively easy to, while reducing the maintenance difficulties of equipment.
Since the drilling for needing to test is often relatively deep, thus, the size of an independent core pipe 1 is very long, operates so extremely
Inconvenience, thus, in the present embodiment, core pipe 1 is mutually threadedly coupled by the way of splicing.Specifically, core pipe 1 is located at including top
Inner tube 13 inside capsule 2, and with the outer tube 14 that is connected at the top of inner tube 13, water filling port 11, which is arranged, closes on top in inner tube 13
Place.Wherein, 23 lower section of top cover is located at the top of inner tube 13, tail portion passes through pedestal 24 and stretches out outside capsule 2, and 14 bottom of outer tube passes through top
It is fixedly connected at the top of lid 23 and inner tube 13.Locating part 12 in the present embodiment is ring-type, and inner surface is equipped with internal screw thread, inner tube 13
It is equipped with the external screw thread being mutually engaged with the internal screw thread with 14 junction outer surface of outer tube, in this way, locating part 12 not only limits core pipe 1
With the relative shifting range between capsule 2, also while docking between inner tube 13 and outer tube 14 is realized.Wherein, it is located above
Its 13 bottom of inner tube of capsule 2 is docked with the outer tube 14 of underlying capsule 2, and can also be at two according to the length of test section
Increase extension tube between capsule 2.
Water conservancy exploration usually requires to drill on palisades, and hole wall surface is often rough and uneven in surface, such as will appear the stone of protrusion
Block etc. is easy hook when testing equipment is transferred in the internal procedure of hole, is easy to be blocked by the barrier of hole wall protrusion, and is above mentioned
It hangs standby.In order to solve this problem, the present embodiment is further fixed on troubleshooting head 6 in the tail end of core pipe 1.Specifically, 6 following table of troubleshooting head
Face is in the cone of pointed end, and upper end is threadably secured with core pipe 1 and connect, and troubleshooting head upper end is cylindrical, diameter and
The outer diameter of capsule is suitable.In this way, troubleshooting head 6 can be removed in capsule 2 by the preceding barrier by hole wall when equipment decentralization,
So that equipment move up and down it is unblocked.
For the ease of cleaning, the hollow channel being connected to 1 bottom of core pipe is equipped at 6 center of troubleshooting head, plug 10 passes through
Threaded connection is screwed at the conical center of troubleshooting head 6, for blocking the channel.When needing cleaning equipment, lower end cap is screwed
10, then washed away from 1 crest water flooding of core pipe.
Packer permeability test equipment disclosed in the present embodiment using when need to be assembled with ground-support equipment, first by core
Pipe 1 is assembled integrally with capsule 2, and is suspended in hole, then the outer tube 14 at 2 top of capsule being located above is docked with drilling rod 3.
Wherein, the outer diameter of outer tube 14 is less than drilling rod 3, and the two is attached by a connector 30.Drilling rod 3 and the drilling machine that ground is set
7 transmission connections, can control the lifting of drilling rod 3 by drilling machine 7, due to the self weight of drilling rod 3 and core pipe 1, drilling machine when drilling rod 3 pushes
7 hardly do work, and power consumption is extremely low.Water pipe 8 is connected at the top of drilling rod 3, for being filled the water by water pump into core pipe, while water pipe 8
On be provided with the water pressure gauge 91 for measuring hydraulic pressure and the flowmeter 92 for measuring flow, and for the three of pressure release and return water
It is logical.
In the present embodiment, as shown in figure 4, locating part 12 is located at the lower section of top cover 23 before 2 water-filling of capsule, water filling port 11 be located at every
From 51 top of ring；When the 21 gradually water-filling of water filling cavity of capsule 2 as shown in figure 5, crust 20 can gradually expand, until water pressure gauge 91
After showing that pressure reaches predetermined value, the crust 20 of capsule 2 dilatancy and has been fitted closely with hole wall, passes through capsule 2 and hole
The frictional force of wall is fixed in situ by capsule 2, and one section of closed space is formed between upper and lower two capsules 2；It controls at this time
Drilling rod 3 drives core pipe 1 to push, and capsule 2 is due to having very big frictional force between hole wall, because without moving down together, in
It is that 1 opposed capsule 2 of core pipe starts slide downward, as core pipe 1 pushes, until when water filling port 11 is connected to pressure water cavity 22, hydraulic pressure
It can decline moment, flowmeter 92 can quickly increase reading, and water route is switched to pressure aqueous mode；As shown in fig. 6, when locating part 12 touches
When to isolation ring 51, core pipe 1 is depressed into extreme position, stops pushing core pipe 1, waits test section water filling.When test section flow and
After pressure is stablized, the infiltration of the test section can be calculated according to hydraulic pressure, the flow of indentation and test segment length under pressure aqueous mode
Water coefficient, the principle and calculation method of the test are the common sense knowledge of this field, do not do excessively repeat herein.
After packer permeability test, stop pump working, opens the threeway of water pipe 8, recovery is being gushed in the water flow of test section just
Ordinary water pressure, pressure aqueous mode are converted to sluicing mode, then control the related core pipe 1 of drilling rod 3 and rise, capsule 2 is with sluicing, crust
20 are restored to the state before expansion；Then next section of test is carried out as needed.
The present invention provides a kind of packer permeability test equipment, by pushing and above proposing core pipe to control the change of capsule inner lead
It changes, to realize single pipeline while control the switching of the movements such as capsule water-filling, pressure water cavity pressure water, capsule sluicing, avoids more
Pipe laying brings the winding problem between pipeline again, reduces equipment investment and cost, improves effect；Realize complete opening behind whole hole
Any segmentation packer permeability test, and be carried out continuously multistage test, avoids the cross jamming with probing, reduce repetition mention, lower brill,
Effect is substantially increased, is reduced costs；Using the variation of the self weight of equipment, the frictional force of hole wall and equipment room relative position,
Realize low energy consumption, environmentally protective；Head of removing obstacles can dredge barrier on hole wall, and card is avoided the general drilling accident such as to bury, without examination
Experiment device is proposed again, is transferred, and improves effect, decreases the possibility damage or loss of equipment；The crust expansion of capsule is received
Shrinkage is big, big with hole wall contact area, good with hole wall sealing effect after expansion.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from inventive concept of the present invention, a number of simple deductions or replacements can also be made.
Claims (10)
1. a kind of packer permeability test equipment characterized by comprising
Core pipe, the core pipe surface are socketed with capsule, and the core pipe can be along its axially opposing capsule slide, the core pipe bottom
Portion is equipped with plug；
Capsule, the capsule both ends are connect with the core pipe face seal, and the capsule side is the crust with deformability,
The capsule is equipped with the water filling cavity for making the crust bulging for water-filling, and the pressure water to the capsule external water flood
Chamber, the pressure water cavity are equipped with the water outlet being connected to outside the capsule, and the water outlet is set to the capsule bottom；
The capsule is equipped with along axially-spaced setting two of the core pipe, underlying capsule for blocking the water outlet
The filler block of mouth；
The core pipe surface is equipped with the water filling port for filling the water to the water filling cavity and the pressure water cavity；The core pipe is relatively described
The mobile connection that the water filling port and water filling cavity can be switched or press water cavity of capsule；
Drilling rod, the drilling rod are set to above the core pipe, fill the water for moving the core pipe, and into the core pipe.
2. packer permeability test equipment as described in claim 1, which is characterized in that be equipped with set between the crust and the core pipe
Pipe, is water filling cavity between described sleeve pipe and the crust, and described sleeve pipe tube wall is equipped with the limbers being connected to the water filling cavity.
3. packer permeability test equipment as claimed in claim 2, which is characterized in that isolation ring is fixed with inside described sleeve pipe, it is described
Isolation ring is tightly connected with the core pipe and sleeve surface, between described sleeve pipe and the core pipe and is located at below isolation ring
Space forms the pressure water cavity.
4. packer permeability test equipment as claimed in claim 3, which is characterized in that the core pipe surface is equipped with for limiting the core
The locating part of pipe sliding scale.
5. packer permeability test equipment as claimed in claim 4, which is characterized in that at the top of the capsule and bottom is respectively equipped with and institute
The top cover and pedestal of the connection of core pipe face seal are stated, crust is fixed between the top cover and the pedestal, the locating part position
Above the water filling port below top cover；When the locating part closes on the top cover, the water filling port is connected to the water filling cavity,
When the locating part closes on the isolation ring, the water filling port is connected to the pressure water cavity.
6. packer permeability test equipment as claimed in claim 5, which is characterized in that described sleeve pipe include the upper casing being mutually butted and
Setting of casing, the upper casing shoe are threadedly coupled with the isolation ring outer ring with the setting of casing top, the limbers in
The upper sleeve surface opens up.
7. packer permeability test equipment as described in claim 1, which is characterized in that the core pipe bottom end is fixedly connected with troubleshooting head,
Troubleshooting head bottom is in cone.
8. packer permeability test equipment as claimed in claim 7, which is characterized in that be equipped with and the core pipe at troubleshooting head center
The channel of connection, the plug is located at the troubleshooting head bottom center, and is threadedly coupled with the vias inner walls.
9. packer permeability test equipment as described in claim 1, which is characterized in that the filler block and the water outlet inner thread
Connection.
10. packer permeability test equipment as described in claim 1, which is characterized in that the core pipe include the inner tube mutually spliced and
Outer tube, said inner tube top are located in the capsule, and the water filling port is opened in said inner tube and closes on top end, said inner tube bottom
Portion is stretched out outside the capsule by the capsule bottom, and the outer tube bottom end is protruded into the capsule to be connected with said inner tube top screw thread
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934104.3U CN208415225U (en) | 2018-06-15 | 2018-06-15 | Packer permeability test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934104.3U CN208415225U (en) | 2018-06-15 | 2018-06-15 | Packer permeability test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208415225U true CN208415225U (en) | 2019-01-22 |
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ID=65109305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820934104.3U Active CN208415225U (en) | 2018-06-15 | 2018-06-15 | Packer permeability test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661035A (en) * | 2018-06-15 | 2018-10-16 | 深圳市水务规划设计院有限公司 | Packer permeability test equipment |
-
2018
- 2018-06-15 CN CN201820934104.3U patent/CN208415225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661035A (en) * | 2018-06-15 | 2018-10-16 | 深圳市水务规划设计院有限公司 | Packer permeability test equipment |
| CN108661035B (en) * | 2018-06-15 | 2024-03-19 | 深圳市水务规划设计院股份有限公司 | Pressurized water test equipment |
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Address after: 518001 Hong Tao building 12, Baoan South Road, Luohu District, Shenzhen, Guangdong, 12 Patentee after: Shenzhen Water Planning and Design Institute Co., Ltd. Address before: 518001 Hong Tao building 12, Baoan South Road, Luohu District, Shenzhen, Guangdong, 12 Patentee before: SHENZHEN WATER PLANNING AND DESIGN INSTITUTE |