CN206130193U - Large -traffic changeable pressurized -water valve gear of two embolism formula high pressure of gun drilling - Google Patents
Large -traffic changeable pressurized -water valve gear of two embolism formula high pressure of gun drilling Download PDFInfo
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- CN206130193U CN206130193U CN201621168508.3U CN201621168508U CN206130193U CN 206130193 U CN206130193 U CN 206130193U CN 201621168508 U CN201621168508 U CN 201621168508U CN 206130193 U CN206130193 U CN 206130193U
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- valve element
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Abstract
The utility model provides a large -traffic changeable pressurized -water valve gear of two embolism formula high pressure of gun drilling, including the valve body urceolus and the inside valve body of valve body urceolus of packing into, last embolism in valve body urceolus lower part and the water head test system in two embolisms is connected, be equipped with changeable axle on the valve body, spring case barrel, the spring case, the case limiting plate, the spring stop, be equipped with the spring case in the spring case barrel, the spring stop lies in spring case barrel upper end, changeable axle lower extreme is connected with the spring stop, the spring case is followed upward to passing spring stop and valve body lower part through -hole down in proper order, the cover is equipped with by the spacing spring of spring stop on the spring case, the case limiting plate lies in spring case below, a valve body, changeable axle, the case limiting plate all was equipped with the water through -hole with the spring stop. The device can provide the pressure in two embolisms in the water head test system, and deep rock mass's permeability can be surveyd in the large -traffic requirement of adaptation in the time of guaranteeing water head test again truely high -efficient.
Description
Technical field
This utility model is related to rock mechanics experiment technical field, the double thromboembolism formula high-pressure high-flows of specifically a kind of gun drilling
Changeable pressure water valve device.
Background technology
The main purpose of the conventional pressure water of drilling or high-pressure whirl injection method is, by the in site measurement that drills, to determine different depth rock
The permeability of body, for engineering design infallible data is provided.Conventional packer permeability test typically adopts differential ball (cylinder) conduct
Packer, by device bottom jointed rod to bottom hole, top jointed rod to aperture, subsequently makes ball to drilling rod pressurization
(cylinder) vertical contracting is horizontal swollen insulating survey section.This kind of water-pressurizing test method often creeps into 5.0m and is once pressed water to test, and needs continually
Change packing body position to lay equal stress on new decentralization packer and drilling rod, test efficiency is very low, and causes pore-creating, test period to extend, together
When this kind of method of testing cannot continuously be measured along hole depth.For the gun drilling of km level, this problem is just more dashed forward
Go out.Additionally, in the case where high-pressure whirl injection method is carried out, differential ball (cylinder) confinement system is difficult to for test section to carry out height
Press seal every so that test result is unreliable.So, the double thromboembolism packer permeability test systems of utility model carry out high-pressure whirl injection methods,
Including two kinds of pilot systems such as single loop mode and double loop mode.Wherein, double thromboembolism packer permeability test systems of single loop mode
The requirement (its flow is generally less than 50L/min, and pressure water Regulations require to be more than 100L/min) of big flow cannot be met；Double back
Double thromboembolism packer permeability test systems of road mode can meet the test requirements document of high-pressure high-flow, but need extra increase high pressure soft
Pipe, with drilling rod down to bottom hole, this test operation difficulty for gun drilling is increased, and high-pressure hose is surrounded on outside drilling rod and easily causes brill
Hole accident, while the test period is longer.
Utility model content
The purpose of this utility model is to provide a kind of double thromboembolism formula high-pressure high-flows of gun drilling changeable pressure water valve device,
The device can provide in packer permeability test system the pressure in double thromboembolisms, and the pressure energy fully makes double thromboembolisms contact with borehole wall to reach
To the purpose of the seal isolation of compressed water section, the requirement of big flow is adapted to when can guarantee that packer permeability test again, truly can efficiently be surveyed
Determine the permeability of deep rock mass.
To solve above-mentioned technical problem, this utility model is adopted the following technical scheme that：
A kind of changeable pressure water valve device of the double thromboembolism formula high-pressure high-flows of gun drilling, including valve body outer tube and the loading valve
The valve body of body outer barrel, the valve body outer tube bottom is connected with the upper thromboembolism in double thromboembolisms in packer permeability test system, described
Valve body is provided with changeable axle, spring valve element cylinder, spring valve element, valve element limiting plate, spring stop, the spring valve element cylinder
Spring valve element is inside provided with, the spring stop is located at the spring valve element cylinder upper end, the changeable axle lower end and the bullet
Spring baffle plate connects, and the spring valve element sequentially passes through from top to bottom the spring stop and the valve body lower portion through hole, the bullet
Spring valve core upper sleeve is provided with spring, and the upper end of the spring is spacing by the spring stop, and the valve element limiting plate is located at the bullet
Spring valve element lower section, and keep at a certain distance away, the valve body, changeable axle, valve element limiting plate and spring stop were equipped with water and led to
Hole, during original state, the valve body and crossing the para-position of water through hole and connecting with double thromboembolisms on changeable axle.
Further, the valve body and the spring valve element cylinder are provided with sealing ring, for intercepting high pressure under original state
Water is communicated with packer permeability test section.
Further, the valve body outer tube bottom is equipped with fastening termination.
This utility model breaches the limitation of conventional pressurized water test, and the device can provide double bolts in packer permeability test system
Pressure (pressure energy fully makes double thromboembolisms that the purpose of the seal isolation for reaching compressed water section is contacted with borehole wall) in plug, and energy
Ensure the requirement that big flow is adapted to during packer permeability test, truly can efficiently determine the permeability of deep rock mass.
Description of the drawings
Fig. 1 is that the structure before the changeable pressure water valve device switching of the double thromboembolism formula high-pressure high-flows of this utility model gun drilling is shown
It is intended to；
Fig. 2 is that the structure after the changeable pressure water valve device switching of the double thromboembolism formula high-pressure high-flows of this utility model gun drilling is shown
It is intended to；
Fig. 3 is that the annexation of the changeable pressure water valve device of the double thromboembolism formula high-pressure high-flows of this utility model gun drilling is illustrated
Figure.
In figure：1-tool joint, 2-spacing fastening nut, 3-pressure water valve, 4-thromboembolism sleeve, 5-upper thromboembolism, 6-
Connection flexible rubber hose, 7-test section outlet pipe, 8-lower thromboembolism, 9-valve body, 10-valve body outer tube, 11-sealing ring, 12-spring
Baffle plate, 13-spring valve element cylinder, 14-spring, 15-spring valve element, 16-valve element limiting plate, 17-end cap, 18-upper bolt
Plug center-pole, 19-changeable axle, 20-mistake water through hole.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is carried out clearly and completely
Description.
Fig. 1-3 are refer to, this utility model provides a kind of double thromboembolism formula high-pressure high-flows of gun drilling changeable pressure water valve dress
Put, including valve body 9, valve body outer tube 10, changeable axle 19, spring valve element 15, spacing fastening nut 2, valve element limiting plate 16, spring
14th, spring valve element cylinder 13, sealing ring 11, spring stop 12, end cap 17.
The bottom of valve body outer tube 10 is connected with the upper thromboembolism 5 in double thromboembolisms in packer permeability test system, valve body outer tube 10
Inside is equipped with valve body 9；Valve body 9 is provided with changeable axle 19, spring valve element 15, valve element limiting plate 16, spring 14, spring stop
12nd, sealing ring 11, excessively water through hole 20, the lower end of changeable axle 19 is connected with spring stop 12, and spring valve element 15 is from top to bottom successively
Through spring stop 12 and the lower through-hole of valve body 9, spring 14 is arranged with spring valve element, valve element limiting plate 16 is located at spring valve element
15 lower sections, and keep at a certain distance away.
The valve body 9, changeable axle 19, valve element limiting plate 16 were equipped with water through hole 20 with spring stop 12, outside valve body
10 bottoms of cylinder are equipped with fastening termination 17.
During original state, the water through hole 20 of crossing on valve body 9 is connected with double thromboembolisms.
In above-mentioned technical proposal, the inwall of the valve body 9 is provided with sealing ring 11, and sealing ring 11 disclosure satisfy that high pressure water injection is tried
Requirement is tested, it intercepts in an initial condition water under high pressure and communicates with packer permeability test section.
In above-mentioned technical proposal, water through hole 20 and sealing ring 11 were again provided with the spring valve element cylinder 13, it is described
The effect of sealing ring 11 on valve body 9 and the spring valve element cylinder 13 is that water under high pressure and packer permeability test section phase are intercepted under original state
It is logical.
In above-mentioned technical proposal, spacing fastening nut 2, valve element limiting plate 16, changeable axle 19, sealing ring 11 cooperate
Complete pressure piping switching.
This utility model solves the double bolts during packer permeability test by coordinating with the double thromboembolisms in packer permeability test equipment
Plug loading problem；It is mutual by spacing fastening nut 2, valve element limiting plate 16, changeable axle 19, sealing ring 11, water through hole 20 excessively
Cooperation completes pressure piping switching and big flow problem, is tunnel so as to the permeability for truly efficiently determining deep rock mass
Or underground chamber design provides basic data.
Deep rock mass is carried out using the changeable pressure water valve device of the double thromboembolism formula high-pressure high-flows of this utility model gun drilling
Permeability testing method, comprises the steps：
Step 1：By in the changeable pressure water valve device bottom of the double thromboembolism formula high-pressure high-flows of gun drilling and packer permeability test system
Upper thromboembolism 5 in double thromboembolisms is connected, and top is connected with tool joint 1；Then transferred to predetermined pressure water by drilling rod and tried
Position is tested, firing test compression system is pressurizeed, water pressure acts on double thromboembolisms by the water through hole 20 of crossing on valve body 9, makes
Double thromboembolisms are sealed tightly and are fixed on borehole wall；Now, pressure piping is communicated with double thromboembolisms, by valve body 9 and spring valve
The sealing of sealing ring 11 on core cylinder 13 is in obstruct state with packer permeability test section, closes the pressure pipeline, and keeps the pressure
It is constant；
Step 2：After double thromboembolisms are sealed tightly and are fixed on borehole wall, changeable axle 19 is promoted by drilling rod decentralization
Valve element limiting plate 16 is displaced downwardly to, continues to move down, spring valve element 15 is separated with spring valve element cylinder 13, and spring 14 is compressed, realized
Pressure piping switches, and now by the sealing of sealing ring 11 on valve body 9, (sealing ring 11 will cross water through hole to pressure piping on valve body 9
20 sealings) obstruct state is in double thromboembolisms, because spring valve element 15 is separated with spring valve element cylinder 13, pressure piping passes through bullet
On the water through hole 20, bottom through-hole of spring valve element cylinder 13, valve element limiting plate 16 excessively on spring baffle plate 12 water through hole 20 is crossed with pressure
Water test section communicates (as shown in Figure 2), and the process can ensure that press water enters pressure water by spring stop 12, valve element limiting plate 16
In test section；
Step 3：Packer permeability test is carried out according to pressure water protocol steps；
Step 4：After the test of this section is completed, above being carried by drilling rod carries out pressure piping switching, then spring 14 extends, bullet
Move on spring valve element 15 and combined closely with the sealing ring 11 on spring valve element cylinder 13, pressure piping is communicated with double thromboembolisms, by valve
The sealing of sealing ring 11 on sealing ring 11 and spring valve element cylinder 13 on body 9 is in obstruct state, removal with packer permeability test section
Pressure in double thromboembolisms, is allowed to and atmosphere, and at this moment the packing element of double thromboembolisms will voluntarily shrink and depart from hole wall, then mobile to survey
Test system to the test section of next depth proceeds packer permeability test.
The water flow of this utility model device can be calculated by formula (1)
Q=v × S (1)
Wherein：Q is the flow by pressing water valve；
V is the flow velocity by pressing the fluid of water valve；
S is valve element limiting plate, the cross-sectional area of water through hole is crossed on spring stop.
This utility model breaches the limitation of conventional pressurized water test, and the device can provide double bolts in packer permeability test system
Pressure (pressure energy fully makes double thromboembolisms that the purpose of the seal isolation for reaching compressed water section is contacted with borehole wall) in plug, and energy
Ensure the requirement that big flow is adapted to during packer permeability test, truly can efficiently determine the permeability of deep rock mass.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
It is any to belong to those skilled in the art in the technical scope that this utility model is disclosed in this, the change that can be readily occurred in
Change or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with power
The protection domain that profit is required is defined.
Claims (3)
1. the changeable pressure water valve device of the double thromboembolism formula high-pressure high-flow of a kind of gun drilling, it is characterised in that：Including valve body outer tube
(10) valve body (9) and inside the loading valve body outer tube (10), in valve body outer tube (10) bottom and packer permeability test system
Upper thromboembolism (5) in double thromboembolisms is connected, and the valve body (9) is provided with changeable axle (19), spring valve element cylinder (13), spring
Spring valve element (15) is provided with valve element (15), valve element limiting plate (16), spring stop (12), the spring valve element cylinder (13),
The spring stop (12) is positioned at spring valve element cylinder (13) upper end, changeable axle (19) lower end and the spring catch
Plate (12) connects, and the spring valve element (15) sequentially passes through from top to bottom the spring stop (12) and the valve body (9) bottom
Through hole, is arranged with spring (14) on the spring valve element (15), the upper end of the spring (14) is limited by the spring stop (12)
Position, the valve element limiting plate (16) and keeps at a certain distance away positioned at the spring valve element (15) lower section, the valve body (9), can cut
Change axle (19), valve element limiting plate (16) and be equipped with water through hole (20), during original state, the valve body with spring stop (12)
(9) with crossing (20) para-position of water through hole and connecting with double thromboembolisms on changeable axle (19).
2. the changeable pressure water valve device of the double thromboembolism formula high-pressure high-flow of gun drilling as claimed in claim 1, it is characterised in that：Institute
State valve body (9) and the spring valve element cylinder (13) is provided with sealing ring (11), for water under high pressure to be intercepted under original state with pressure
Water test section is communicated.
3. the changeable pressure water valve device of the double thromboembolism formula high-pressure high-flow of gun drilling as claimed in claim 1, it is characterised in that：Institute
Valve body outer tube (10) bottom is stated equipped with fastening termination (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168508.3U CN206130193U (en) | 2016-11-02 | 2016-11-02 | Large -traffic changeable pressurized -water valve gear of two embolism formula high pressure of gun drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168508.3U CN206130193U (en) | 2016-11-02 | 2016-11-02 | Large -traffic changeable pressurized -water valve gear of two embolism formula high pressure of gun drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206130193U true CN206130193U (en) | 2017-04-26 |
Family
ID=58575168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621168508.3U Withdrawn - After Issue CN206130193U (en) | 2016-11-02 | 2016-11-02 | Large -traffic changeable pressurized -water valve gear of two embolism formula high pressure of gun drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206130193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337951A (en) * | 2016-11-02 | 2017-01-18 | 长江水利委员会长江科学院 | Deep-drilling double-plug high-pressure large-flow switchable water pressure valve device and test method |
| CN113759484A (en) * | 2020-06-02 | 2021-12-07 | 成都鼎桥通信技术有限公司 | Track spring mounting jig |
-
2016
- 2016-11-02 CN CN201621168508.3U patent/CN206130193U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337951A (en) * | 2016-11-02 | 2017-01-18 | 长江水利委员会长江科学院 | Deep-drilling double-plug high-pressure large-flow switchable water pressure valve device and test method |
| CN113759484A (en) * | 2020-06-02 | 2021-12-07 | 成都鼎桥通信技术有限公司 | Track spring mounting jig |
| CN113759484B (en) * | 2020-06-02 | 2023-08-15 | 成都鼎桥通信技术有限公司 | Rail spring mounting jig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170426 Effective date of abandoning: 20180717 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170426 Effective date of abandoning: 20180717 |