CN105386752B - Multistage blocks both-end observation system - Google Patents
Multistage blocks both-end observation system Download PDFInfo
- Publication number
- CN105386752B CN105386752B CN201510903148.0A CN201510903148A CN105386752B CN 105386752 B CN105386752 B CN 105386752B CN 201510903148 A CN201510903148 A CN 201510903148A CN 105386752 B CN105386752 B CN 105386752B
- Authority
- CN
- China
- Prior art keywords
- probe unit
- oil
- pipe
- water
- pressure
- 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.)
- Active
Links
- 239000000523 sample Substances 0.000 claims abstract description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 239000003921 oil Substances 0.000 claims description 58
- 238000005553 drilling Methods 0.000 claims description 41
- 239000011435 rock Substances 0.000 claims description 21
- 239000002775 capsule Substances 0.000 claims description 19
- 239000011159 matrix material Substances 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000003020 moisturizing effect Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000047 product Substances 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
-
- 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
- E21B47/005—Monitoring or checking of cementation quality or level
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Quality & Reliability (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of multistage to block both-end observation system, it includes detection system, plugging system and supply propulsion system, detection system includes the first probe unit, second probe unit, 3rd probe unit and the 4th probe unit, neck joint is provided between adjacent probe unit, each probe unit includes communicating pipe and the leak pipe of parallel arrangement, the communicating pipe of adjacent probe unit is connected with leak pipe by the neck joint, wherein, the communicating pipe of adjacent detector unit keeps connection, positioned at the first probe unit and the second probe unit, the leak pipe of 3rd probe unit and the 4th probe unit keeps connection, leak pipe between the second probe unit and the 3rd probe unit is divided into independent two parts by neck joint, respectively detect I sections and detection II sections.Observation system of the present invention can detect water filling in sections to two simultaneously, add measurement end, improve measurement efficiency.
Description
Technical field
The invention belongs to mine roof and floor rock mass damage scope determination techniques field, and in particular to multistage closure both-end observation
System.
Background technology
The measurement of mine roof and floor rock mass damage scope is to indicate the important parameter of coal petrography occurrence status.Prevent in research mine
When harnessing the river, it is a critical underlying parameter, and therefore, the formation of conduit pipe in country rock is adopted in research, it is therefore necessary to
Grasp strata movement rule and determine roof and floor rock mass damage scope.Generally use numerical simulation, empirical equation are estimated, scene is real
The means such as survey.However, because field condition is complicated, to a certain extent, numerical simulation can not reflect field condition well, warp
Test that the estimated blindness of formula is larger, and with deep increasing is adopted, empirical equation applicability is worse and worse.
First, as mining depth increases, drilling be easily deformed in a short time, it is necessary to drilling quickly measured,
And drillable length is substantially in 50-70m, test site often uses single hop water filling visualizer, promotes measurement length (about 1m) every time,
This adds increased promote number and observation time.Secondly, fail to realize closure observation integration in existing multistage scope, and
When multistage is observed, an only measurement end, observed efficiency increase is less.Finally, during actual observation, closure pressure is general
2.5MPa is taken, drilling observation hydraulic pressure typically takes 0.1MPa, and drilling interior observation source pressure can not be excessive, otherwise, can be to drilling hole
Preexisting crack forms dilating effect in wall.Under same external source, how to allow in integrated scope and block water source with seeing
Water source is surveyed to work simultaneously under respective pressure.
Prior art fails solve the problems, such as above three simultaneously.
The content of the invention
It is an object of the invention to provide a kind of multistage to block both-end observation system, and the observation system can be simultaneously to two
Water filling in section is detected, measurement end is added, improves measurement efficiency.
Its technical solution includes：
A kind of closure both-end observation system for wall-rock crack, it includes detection system, plugging system and supply and promoted
System, the detection system are arranged in the drilling of wall-rock crack,
The detection system includes the first probe unit, the second probe unit, the 3rd probe unit and the 4th probe unit,
First probe unit is positioned at the outermost of drilling, and the 4th probe unit is positioned at the most inner side of drilling, adjacent detection
Between unit, the front portion of the first probe unit and the afterbody of the 4th probe unit be provided with neck joint, each probe unit
Include the communicating pipe of parallel arrangement and leak pipe, the communicating pipe of adjacent probe unit and leak pipe pass through the neck joint
Connection, wherein, the communicating pipe of adjacent detector unit keeps connection, positioned at the first probe unit and the second probe unit, the 3rd spy
The leak pipe for surveying unit and the 4th probe unit keeps connection, the leak between the second probe unit and the 3rd probe unit
Pipe is divided into independent two parts by neck joint, respectively detects I sections and detection II sections, is visited in the first probe unit and second
Pressure-regulating valve is provided with neck joint between survey unit, between the 3rd probe unit and the 4th probe unit；
One end that 4th probe unit stretches into drilling is connected with U-tube road, and the neck of the 4th probe unit afterbody connects
Hydraulic pressure converting system is provided with head, the hydraulic pressure converting system includes hydraulic pressure converter and neck pipe joint, and the hydraulic pressure turns
Parallel operation includes piston and matrix two parts, and piston left side area is more than right side area, phase is provided with the piston
Intercommunicated water-guiding hole, the water-guiding hole positioned at right-hand member is connected by aperture with the neck joint, positioned at the water-guiding hole of left end
By matrix inner wall sealing during beginning, the right-hand member of piston is provided with boss, the boss is used to carry out the spring one in piston
Spacing, the piston is controlling left end water-guiding hole and drilling in wall-rock crack to keep connecting or closing；
The plugging system includes closure capsule, and the closure capsule surrounds the outside of each neck joint, the card
Swollen hole has been provided with trough connection；
The supply propulsion system includes water flood operations platform one, water flood operations platform two and oil gear, the water flood operations
Platform one with detection I sections be connected, the water flood operations platform two is connected with communicating pipe, for detect II section water fillings；
Oil pipe road, the oil pipe road and the oil gear are provided with above each probe unit leak pipe
Connection.
The operation principle of above-mentioned hydraulic pressure converter is：
The larger cylinder piston area area of left end is S in hydraulic pressure converterIt is left, contact hydraulic pressure is the 4th probe unit leak
Boring hydraulic pressure P is observed in pipeIt is left, the less cylinder piston area area of right-hand member is SIt is right, contact hydraulic pressure is the 4th probe unit company
Hydraulic pressure P in siphunculusIt is right, coefficient of elasticity k, decrement x in spring one, from balance between two forces principle：
Work as FIt is left+FBullet≥FIt is right, i.e. PIt is leftSIt is left+kx≥PIt is rightSIt is right, then hydraulic pressure converter be closed, piston is not outer to be moved, water guide
Hole is stopped by matrix inwall, it is impossible to is connected with leak pipe.
Work as FIt is left+FBullet≤FIt is right, i.e. PIt is leftSIt is left+kx≤PIt is rightSIt is right, then hydraulic pressure converter be in opening, piston is moved out, water guide
Matrix inwall is exposed in hole, is connected with leak pipe, to carrying out moisturizing in drilling.
Communicating pipe, mesohigh water was into the 4th probe unit leak pipe during said process can be both realized from the 4th probe unit
Boring low pressure water conversion is observed, the real-time moisturizing process into drilling can be realized as needed again.
Wherein, PIt is leftTo observe boring hydraulic pressure, engineering often takes 0.1MPa, PIt is rightTo connect inner pipe water pressure, on the one hand can be used for
Swollen closure capsule is played, on the other hand after pressure converts, available for the real-time moisturizing into the survey section leak pipe, engineering is often greater than
2.5MPa, it follows that SIt is leftWith SIt is rightRatio be about 25:1, spring regulation area difference is added, first, left and right face can be reduced
Product ratio, is easy to actual manufacture needs, second, can make piston self-return.
As the preferred scheme of the present invention, two parallel passages are additionally provided with the neck joint, are respectively
Passage I and passage II, the passage I link together the leak pipe of adjacent detector unit, and the passage II is by adjacent detector
The communicating pipe of unit is linked together, and block is provided with the passage I between the second probe unit and the 3rd probe unit,
The block separates the second probe unit and the 3rd probe unit；Oil pipe road interface is provided with above the passage I, it is described
Oil pipe road interface is connected on the oil pipe road, and described swollen hole is arranged on below the passage II.
As the present invention another preferred scheme, between the passage I and leak pipe, passage II and between communicating pipe
For threaded connection.
Preferably, the pressure-regulating valve includes asymmetric piston group, spring, the oil-through-hole positioned at top and positioned at sidepiece
Square opening, the oil-through-hole is connected with the oil pipe road, during original state, under the effect of spring two, asymmetric piston group
Positioned at one end of pressure-regulating valve inner chamber, the square opening is now blocked completely just, during working condition, provided by oil gear
Hydraulic oil pressure-regulating valve inner chamber is entered by oil-through-hole, act on piston group side, push piston group to spring two another
One end, now, space connects with square opening between piston group.
Preferably, the water flood operations platform one provides 0.1MPa water source to detection I sections, and the water flood operations platform two is to spy
Survey section II and block the water source that 2.5MPa is provided in capsule.
Preferably, the supply propulsion system also includes pressure of return water table, electronic logger, rig and drilling rod, the electricity
Subrecord device is arranged on water flood operations platform, and the pressure of return water table is used to be corrected inspection to the pressure of return water in return pipe
Survey.
Preferably, the oil gear includes oil pressure tank, accumulator and the stop valve for providing oil sources, and the accumulator is with cutting
Only valve is arranged on oil pipe road.
Preferably, the oil pipe road is fixed on each neck joint by fastening screw.
Preferably, the hydraulic pressure converter is connected to by neck pipe joint on the neck joint of the 4th probe unit.
Advantageous effects caused by the present invention：
By water flood operations platform one and water flood operations platform two to detection system water filling, independent detection I sections and detection simultaneously
II sections, the both ends enemy's synchro measure for blocking and surveying section is realized, measurement end is added, improves measurement efficiency, it is especially suitable
In the quick measurement of mine roof and floor rock mass damage scope.
Bulging is played by blocking capsule realizes closure and leaks hunting integration into closure space, the system.
The water source that water flood operations platform two provides enters in hydraulic pressure converter through communicating pipe, and piston in hydraulic pressure converter can be with
Control left end water-guiding hole keeps connecting or closing with the drilling in wall-rock crack, it is achieved thereby that blocking high-pressure in integrated process
Water source ensures that water source is blocked in observation process to work with observation water source under respective pressure to the pressure conversion at observation low pressure water source
Problem, avoid destruction of the observation water source hypertonia to borehole fissure.
Brief description of the drawings
The present invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of observation system of the present invention；
Fig. 2 is the overall schematic of test probe in observation system of the present invention；
Fig. 3-1,3-2,3-3 are pressure-regulating valve structural representation of the present invention；
Fig. 4-1,4-2 are hydraulic pressure converter structure schematic diagram；
Fig. 5-1,5-2,5-3,5-4 are hydraulic pressure converter and neck pipe joint structure schematic diagram；
Fig. 6 is hydraulic pressure switcher state schematic diagram；
Fig. 7 is that multistage blocks oil pipe line structure schematic diagram in both-end observation system；
Fig. 8 is leak tubular construction schematic diagram；
Fig. 9 is communicating tube structure schematic diagram；
Figure 10 is the structural representation of neck joint one；
Figure 11 is the structural representation of neck joint two；
Figure 12 is the structural representation of neck joint three；
Figure 13 is the structural representation of neck joint four；
Figure 14 is the structural representation of neck joint five；
In figure, 1, rock mass, 2, drilling, 3, neck joint one, the 301, first probe unit, the 302, second probe unit,
303rd, the 3rd probe unit, the 304, the 4th probe unit, 4, neck joint two, 5, neck joint three, 6, neck joint four, 7, card
Trough connection five, 8, hydraulic pressure converting system, 9, pressure-regulating valve, 10, closure capsule, 11, leak pipe, 12, communicating pipe, 13, logical oil
Pipeline, 14, neck pipe joint, 15, hydraulic pressure converter, 16, aperture, 17, piston, 18, matrix, 19, spring one, 20, boss,
21st, limbers, 22, piston group, 23, square opening, 24, spring two, 25, oil-through-hole, 26, fastening screw, 27, leaking hole, 28, note
Water operating desk one, 29, water flood operations platform two, 30, rig, 31, drilling rod, 32, accumulator, 33, stop valve, 34, oil pressure tank, 35,
Oil pipe road interface, 36, rise swollen hole.
Embodiment
The present invention is elaborated with reference to specific embodiment.
The present invention, multistage closure both-end observation system including observation system, plugging system and supply as shown in figure 1, promote
System, observation system are observed for multistage, and as shown in Figure 2, observation system is mainly by the first probe unit 301, the second probe unit
302nd, the 3rd probe unit 303 and the 4th probe unit 304 form, wherein, each probe unit includes leak pipe 11, connected
Siphunculus 12, the head of the 4th probe unit 304 set neck joint 1, the 4th probe unit 304 and the 3rd probe unit 303
Between connected by neck joint 24, pass through neck joint 35 between the 3rd probe unit 303 and the second probe unit 302 and connect
Connect, connected between the second probe unit 302 and the first probe unit 301 by neck joint 46, in the first probe unit 301
The other end neck joint 57 is set.
With reference to shown in Fig. 2, Fig. 8 and Fig. 9, multiple leaking holes 27 are provided with leak pipe 11, for 2 leaks that drill, seeing
Gaging hole wall fracture water flow, the first end of communicating pipe 12 are connected by neck joint five with water flood operations platform 2 29, adjacent closure unit
Leak pipe connected with communicating pipe by neck joint.
It is the structure chart of five neck joints of the invention respectively with reference to shown in Figure 10-Figure 14, neck joint 1 is positioned at the
, there are two Central Symmetry pipelines on the right side of four probe unit 304, side respectively with leak pipe 11, hydraulic pressure conversion valve 8, communicating pipe 12
It is threaded, swollen hole 36 together is provided with below communicating pipe 12 side in neck joint 1.
Neck joint 24 has two Central Symmetry pipes between the 3rd probe unit 303 and the 4th probe unit 304
Road, it is threaded respectively with leak pipe 11, pressure-regulating valve 9, communicating pipe 12, the side of leak pipe 11 is upper in neck joint 24
Side is fixed with square oil pipe road interface 35, is communicated with the oil-through-hole 25 on pressure-regulating valve 9, the other end and neck joint two
4 side wall is connected, and oil pipe road interface 35 is threaded with oil pipe road 13, interior logical hydraulic oil, is connected in neck joint 24
Swollen hole 36 together is provided with below the side of pipe 12, oil pipe road is fixed on each neck joint by fastening screw 26.
As shown in Fig. 4-1,4-2, neck joint 35 has between the second probe unit 302, the 3rd probe unit 303
Two Central Symmetry pipelines, be threaded respectively with leak pipe 11, communicating pipe 12, in neck joint 35 with the phase of leak pipe 11
Center section even does not connect, and is entity blockage structure, can be divided into detection I sections and detect II sections, leak pipe in neck joint 35
An oil pipe road interface 35 is fixed with above 11 sides, the both ends of oil pipe road interface 35 and the side wall of neck joint 35 are connected, and lead to
Oil pipe line interface 35 is threaded with oil pipe road 13, interior logical hydraulic oil, is opened in neck joint 35 below communicating pipe 35 side
There is swollen hole 36 together.
Neck joint 46 has two Central Symmetry pipes between the first probe unit 301, the second probe unit 302
Road, it is threaded respectively with leak pipe 11, pressure-regulating valve 9, communicating pipe 12, the side of leak pipe 11 is upper in neck joint 46
Side is fixed with " T-shaped " oil pipe road, is communicated with the oil-through-hole 25 on pressure-regulating valve 9, oil pipe road both ends connect with neck
First 46 side wall is connected, and oil pipe road interface is threaded with oil pipe road, interior logical hydraulic oil, is connected in neck joint 46
Swollen hole 36 together is provided with below the side of pipe 12.
Neck joint 57 is located at the left end of the first probe unit 301, there is two Central Symmetry pipelines, respectively with leak pipe
11st, communicating pipe 12 is threaded, and has an oil pipe road interface and neck joint in neck joint 57 above the side of leak pipe 11
57 side wall is connected, and oil pipe road interface is threaded with oil pipe road, interior logical hydraulic oil, communicating pipe in neck joint 57
Swollen hole 36 together is provided with below 12 sides.
Hydraulic pressure converting system 8 includes hydraulic pressure converter 15 and neck pipe joint 14, and the hydraulic pressure converter is located at neck joint
In one 3, and it is threaded by neck pipe joint 14 and neck joint 1.With reference to Fig. 3-1,3-2,3-3,4-1,4-2 institute
Show, hydraulic pressure converter 15 divides piston 17 and the two parts of matrix 18, and piston 17 is in the anisometric cylinder in left and right ends, and left end is larger
The face area of cylinder piston 17 be SIt is left, contact hydraulic pressure is PIt is left, the less face area of cylinder piston 17 of right-hand member is SIt is right, contact water
Press as PIt is right.Right-hand member close to piston 17 has a boss 20 to set, and is coordinated by spring 1 and the inside corresponding site of matrix 18, protected
Card piston 17 will not depart from matrix 18 while movement in matrix 18.
Interconnected limbers 21 is provided with piston 17, right-hand member limbers 21 passes through aperture 16 and neck pipe joint 14
It is connected, by the inner wall sealing of matrix 18 when left end limbers 21 starts.It is more than a certain position when piston 17 stretches out matrix 18 to the left
When, left end limbers 21 connects with drilling 2.
Opening pressure ratio designed by hydraulic pressure converter 15 is m, works as PIt is left/PIt is rightDuring≤m, hydraulic pressure converter 15, which is in, closes shape
State, work as PIt is left/PIt is rightDuring >=m, hydraulic pressure converter 15 is in opening.
The less face area of cylinder piston 17 of right-hand member is S in piston 17It is rightThe cylinder piston 17 face face larger with left end
Product is SIt is leftArea compare SIt is right/SIt is leftIt can be designed according to the Opening pressure designed by hydraulic pressure converter 15 than m.
The operation principle of hydraulic pressure converter 15 is：
As shown in fig. 6, the larger face area of cylinder piston 17 of left end is S in hydraulic pressure converter 15It is left, contact hydraulic pressure is the
The hydraulic pressure P of observation drilling 2 in the leak pipe 11 of four probe unit 304It is left, the less face area of cylinder piston 17 of right-hand member is SIt is right, connect
It is hydraulic pressure P in the communicating pipe 12 of the 4th probe unit 304 to touch hydraulic pressureIt is right, coefficient of elasticity k in spring 1, decrement x, put down by two power
The principle that weighs is understood：
Work as FIt is left+FBullet≥FIt is right, i.e. PIt is leftSIt is left+kx≥PIt is rightSIt is right, then hydraulic pressure converter 15 be closed, piston 17 is not outer to be moved,
Limbers 21 is stopped by the inwall of matrix 18, it is impossible to is connected with leak pipe 11.
Work as FIt is left+FBullet≤FIt is right, i.e. PIt is leftSIt is left+kx≤PIt is rightSIt is right, then hydraulic pressure converter 15 be in opening, piston 17 is moved out,
The inwall of matrix 18 is exposed in limbers 21, is connected with leak pipe 11, to carrying out moisturizing in drilling 2.
Communicating pipe 12, mesohigh water was to the 4th probe unit 304 during said process can be both realized from the 4th probe unit 304
Observation drilling 2 is converted with low pressure water in leak pipe 11, can realize the process of moisturizing in real time into drilling 2 as needed again.
Wherein, PIt is leftHydraulic pressure is used for observation drilling 2, engineering often takes 0.1MPa, PIt is rightIt is on the one hand available for 12 hydraulic pressure in communicating pipe
Swollen closure capsule 10, normal available for the real-time moisturizing into the survey section leak pipe 11, engineering on the other hand after pressure converts in
More than 2.5MPa, it follows that SIt is leftRight ratio is about 25 with S:1, it is contemplated that area difference is too big, therefore adds spring 1 and enter
Row regulation, first, left and right area ratio can be reduced, is easy to actual manufacture needs, second, can make the self-return of piston 17.
With reference to shown in Fig. 5-1 to 5-4, pressure-regulating valve 9 is located at neck joint 24, in neck joint 46, pressure regulation
9 weeks ends of valve are threaded, and are connected by screw thread with neck joint 24, neck joint 46, the two side ends of force regulating valve 9 are provided with symmetrically
Square opening 23 it is several, a screw-type oil-through-hole 25 is provided with Zhou Duan.
The pressure-regulating valve 9 includes asymmetric piston group 22 and spring 2 24, and during original state, spring 2 24 acts on
Under, asymmetric piston group 22 is located at one end of the inner chamber of pressure-regulating valve 9, now blocks the side side of pressure-regulating valve 9 completely just
Shape hole 23, during working condition, hydraulic oil enters the inner chamber of pressure-regulating valve 9 by oil-through-hole 25, acts on the side of piston group 22, will
Piston group 22 pushes the end of spring 2 24 to, and now, 22 spaces of piston group by chance connect with square opening 23, and current can be adjusted by pressure
Save valve 9.
Plugging system is referred to shown in Fig. 1 to Fig. 2, Fig. 6 to Figure 14, main to include closure capsule 10, and closure capsule 10 is distinguished
Surround on neck joint 1, neck joint 24, neck joint 35, neck joint 46 and neck joint 57, pass through fixation
Component is sealed against fixing, and is linked up by a swollen hole 36 and external source, and oil pipe road both ends set fastening screw 26, will can lead to
Oil pipe line is fixed on the oil pipe between each neck joint, and oil pipe road is connected with oil gear, is connected with hydraulic oil inside it.
Oil gear includes oil pressure tank 34, stop valve 33 and accumulator 32, and oil pressure tank 34, which is responsible for offer, makes pressure-regulating valve 9
The hydraulic oil that middle piston group 22 moves, stop valve 33 are responsible for the circulation and cut-off of hydraulic oil, accumulator 32 by with stop valve 33
Coordinate, ensure that stop valve 33 is in when state, ensure that the hydraulic oil in oil pipe 35 and capsule connecting tube 13 keeps certain
Pressure state.
Supply propulsion system in detail as shown in Figure 1, including water flood operations platform 1, water flood operations platform 2 29, drilling rod 31, rig
30th, pressure of return water table and electronic logger etc., water flood operations platform 1 are responsible for the first probe unit 301, the second probe unit
302 provide pressure water source, source pressure 0.1MPa, and water flood operations platform 2 29 is responsible for detecting to the 3rd probe unit the 303, the 4th
Unit 304, closure capsule 10 provide pressure water source, pressure water source 2.5MPa, on the one hand, after the conversion of pressure changeover valve 9,
Supplied water with 0.1MPa hydraulic pressure to the 3rd probe unit 303, the 4th probe unit 304, on the other hand, with 2.5MPa press water
Swollen closure capsule 10 is played by playing swollen hole 36 in source.
The course of work of observation system of the present invention is：
Step 1, the Opening pressure of one 3 reclaimed water pressure converter of neck joint 15 is set to take observation hydraulic pressure than respectively m=2.5
PIt is leftFor 0.1MPa；
Step 2, water flood operations platform 2 29 provide 2.5MPa water under high pressures by communicating pipe 12, on the one hand, this water under high pressure passes through
Play swollen hole 36 and play swollen closure capsule 10, on the other hand, this water under high pressure changed by hydraulic pressure converter 15 after with 0.1MPa to the 4th
Water filling in probe unit 304, observation；Hydraulic pressure is kept, after 1-2 minutes, reads and calculates average wastage L in time period1, with
This is corresponding, water flood operations platform 1, and 0.1MPa observations water source is directly provided into the first probe unit 301, corresponding to read and count
Calculate average wastage L in time period2；
After step 3, said process, oil pressure tank 34 provides certain pressure by associated conduit into pressure-regulating valve 9
Hydraulic oil, piston group 22 is moved to the other end, square opening 23 connects.Now, the first probe unit 301 and the second detection are single
Member 302 connects, and the 4th probe unit 304 connects with the 3rd probe unit 303, opens stop valve 33 and accumulator 32, keeps high
Oil pressure, observation water source is set to be supplemented respectively into the second probe unit 302, the 3rd probe unit 301, and with 0.1MPa pressure
Work on, wait 1-2 minutes, read respectively and calculate first and second probe unit 301,302 and third and fourth probe unit
303rd, 304 average wastage L3, L4, now, L3- L2The average wastage of as the second probe unit 302, L4- L1As the 3rd
Probe unit equals 303 equal wastages；
Step 4, by pressure-regulating valve 9 and closure the pressure release of capsule 10, observation system is pushed into down with rig 30 and drilling rod 31
One observation area is observed, until all observation finishes in 2 length of drilling.
The observation procedure of observation system of the present invention, specifically includes following steps：
(1) drilling 2：Successively constructed into top plate or floor rock 1 in coal petrography tunnel with the coal mine drilling machine 30 of routine
2 several, hole depth 30-70m of predetermined angular drilling；
(2) observation system is installed：Cleaning drilling in debris, install observation system, by corresponding pipeline connect rig 30,
Water flood operations platform 1, water flood operations platform 2 29 etc., and it is sent to 2 initial positions of drilling using rig 30 and drilling rod 31；
(3) closing drilling 2：After it reaches initial position, swollen closure capsule 10 sealing drilling 2 is played, that is, uses water flood operations
Platform 28,29 injects water source into observation system and reaches predetermined initial water pressure to it；
(4) flowing water vector parameters are determined：Block it is qualified after, carry out flowing water vector parameters measure, read respectively and calculate the
One probe unit 301, the second probe unit 302, the 3rd probe unit 303, the average wastage L of the 4th probe unit 3042,
L3- L2, L4- L1, L1.Pressure water source and hydraulic oil are withdrawn, closure capsule 10 and pressure-regulating valve 9 is in depressurization phase, so
Repeat step 3 to step 4, drilling 2 is entered successively to next observation area using rig 30 and the mobile observation system of drilling rod 31 afterwards
Row measurement.
The part do not addressed in the present invention uses or used for reference prior art and can be achieved.
Claims (8)
1. a kind of closure both-end observation system for wall-rock crack, it includes detection system, plugging system and supply and promotes system
System,
The detection system is arranged in the drilling of wall-rock crack, it is characterised in that：
The detection system includes the first probe unit, the second probe unit, the 3rd probe unit and the 4th probe unit, described
First probe unit is positioned at the outermost of drilling, and the 4th probe unit is positioned at the most inner side of drilling, adjacent probe unit
Between, the front portion of the first probe unit and the afterbody of the 4th probe unit be provided with neck joint, each probe unit wraps
Communicating pipe and the leak pipe of parallel arrangement are included, the communicating pipe of adjacent probe unit and leak pipe are connected by the neck joint
Connect, wherein, the communicating pipe of adjacent detector unit keeps connection, positioned at the first probe unit and the second probe unit, the 3rd detection
The leak pipe of unit and the 4th probe unit keeps connection, the leak pipe between the second probe unit and the 3rd probe unit
Independent two parts are divided into by neck joint, I sections and detection II sections is respectively detected, is detected in the first probe unit and second
Pressure-regulating valve is provided with neck joint between unit, between the 3rd probe unit and the 4th probe unit；
One end that 4th probe unit stretches into drilling is connected with U-tube road, on the neck joint of the 4th probe unit afterbody
Hydraulic pressure converting system is provided with, the hydraulic pressure converting system includes hydraulic pressure converter and neck pipe joint, the hydraulic pressure converter
Including piston and matrix two parts, piston left side area is more than right side area, is provided with the piston and mutually interconnects
Logical water-guiding hole, the water-guiding hole positioned at right-hand member are connected by aperture with the neck joint, and the water-guiding hole positioned at left end starts
When by matrix inner wall sealing, the right-hand member of piston is provided with boss, the boss be used to carrying out the spring one in piston it is spacing,
The piston is controlling left end water-guiding hole and drilling in wall-rock crack to keep connecting or closing；
The plugging system includes closure capsule, and the closure capsule surrounds the outside of each neck joint, and the neck connects
Swollen hole has been provided with head；
The supply propulsion system includes water flood operations platform one, water flood operations platform two and oil gear, the water flood operations platform one
With detection I sections be connected, the water flood operations platform two is connected with communicating pipe, for detect II section water fillings；
Oil pipe road is provided with above each probe unit leak pipe, the oil pipe road connects with the oil gear
Connect；The oil pipe road is fixed on each neck joint by fastening screw.
2. the closure both-end observation system according to claim 1 for wall-rock crack, it is characterised in that：The neck connects
Two parallel passages, respectively passage I and passage II, the passage I are additionally provided with by the leak of adjacent detector unit in head
Pipe links together, and the passage II links together the communicating pipe of adjacent detector unit, positioned at the second probe unit and
Block is provided with passage I between three probe units, the block separates the second probe unit and the 3rd probe unit；Institute
State and be provided with oil pipe road interface above passage I, oil pipe road interface is connected on the oil pipe road, described swollen hole
It is arranged on below the passage II.
3. the closure both-end observation system according to claim 2 for wall-rock crack, it is characterised in that：The passage I
Between leak pipe, passage II and be to be threadedly coupled between communicating pipe.
4. the closure both-end observation system according to claim 1 for wall-rock crack, it is characterised in that：The pressure is adjusted
Section valve includes asymmetric piston group, spring two, the oil-through-hole positioned at top and the square opening positioned at sidepiece, the oil-through-hole and institute
The connection of oil pipe road is stated, during original state, under the action of the spring, asymmetric piston group is located at one end of pressure-regulating valve inner chamber,
Now block the square opening completely just, during working condition, the hydraulic oil that is provided by oil gear passes through oil-through-hole and enters pressure
Force regulating valve inner chamber, act on piston group side, piston group pushed to the other end of spring two, now, between piston group space with
Square opening connects.
5. the closure both-end observation system according to claim 1 for wall-rock crack, it is characterised in that：The water filling behaviour
Make the water source that platform one provides 0.1MPa to detection I sections, the water flood operations platform two provides into detection section II and closure capsule
2.5MPa water source.
6. the closure both-end observation system according to claim 1 for wall-rock crack, it is characterised in that：The supply pushes away
Entering system also includes pressure of return water table, electronic logger, rig and drilling rod, and the electronic logger is arranged on water flood operations platform
On, the pressure of return water table is used to be corrected detection to the pressure of return water in return pipe.
7. the closure both-end observation system according to claim 1 for wall-rock crack, it is characterised in that：The oil pressure dress
Oil pressure tank, accumulator and stop valve including providing oil sources are put, the accumulator is arranged on oil pipe road with stop valve.
8. the closure both-end observation system according to claim 1 for wall-rock crack, it is characterised in that：The hydraulic pressure turns
Parallel operation is connected to by neck pipe joint on the neck joint of the 4th probe unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903148.0A CN105386752B (en) | 2015-12-09 | 2015-12-09 | Multistage blocks both-end observation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903148.0A CN105386752B (en) | 2015-12-09 | 2015-12-09 | Multistage blocks both-end observation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386752A CN105386752A (en) | 2016-03-09 |
| CN105386752B true CN105386752B (en) | 2018-01-09 |
Family
ID=55419454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510903148.0A Active CN105386752B (en) | 2015-12-09 | 2015-12-09 | Multistage blocks both-end observation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105386752B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630675A (en) * | 2017-10-13 | 2018-01-26 | 大连理工大学 | A kind of rock body quality of mine drilling gas closure test probe and closure extraction system |
| CN108643891B (en) * | 2018-04-20 | 2021-08-17 | 大连理工大学 | Single-loop overburden fracture double-end plugging and leakage detection method |
| CN108643900B (en) * | 2018-04-20 | 2021-08-17 | 大连理工大学 | Mining destructive zone segmented observation system for mine roof and floor |
| CN108643899B (en) * | 2018-04-20 | 2021-08-17 | 大连理工大学 | Mining destructive zone segmented observation method for mine roof and floor |
| CN108643901B (en) * | 2018-04-20 | 2021-08-17 | 大连理工大学 | Multi-section graded pressure reduction water injection observation method based on fracture observation |
| CN108678737B (en) * | 2018-04-20 | 2019-08-16 | 大连理工大学 | The infiltrative observation method of the adjustable rock cranny of transformation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473939A (en) * | 1992-06-19 | 1995-12-12 | Western Atlas International, Inc. | Method and apparatus for pressure, volume, and temperature measurement and characterization of subsurface formations |
| CN101245701A (en) * | 2007-05-28 | 2008-08-20 | 中国矿业大学(北京) | Down-hole guiding height viewer and its observation method |
| JP2013125003A (en) * | 2011-12-16 | 2013-06-24 | Keiichi Doigawa | Water leakage detection device and water leakage detection method for ground-buried water pipe |
| CN104358561A (en) * | 2014-10-16 | 2015-02-18 | 山东科技大学 | Gas pressure observation system for downstream drill hole in aqueous coal rock |
| CN204754919U (en) * | 2015-06-25 | 2015-11-11 | 山东科技大学 | Multistage shutoff of roof water guide crack area is system of leaking hunting in step |
| CN205172554U (en) * | 2015-12-09 | 2016-04-20 | 山东科技大学 | Multistage shutoff bi -polar observation system |
-
2015
- 2015-12-09 CN CN201510903148.0A patent/CN105386752B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473939A (en) * | 1992-06-19 | 1995-12-12 | Western Atlas International, Inc. | Method and apparatus for pressure, volume, and temperature measurement and characterization of subsurface formations |
| CN101245701A (en) * | 2007-05-28 | 2008-08-20 | 中国矿业大学(北京) | Down-hole guiding height viewer and its observation method |
| JP2013125003A (en) * | 2011-12-16 | 2013-06-24 | Keiichi Doigawa | Water leakage detection device and water leakage detection method for ground-buried water pipe |
| CN104358561A (en) * | 2014-10-16 | 2015-02-18 | 山东科技大学 | Gas pressure observation system for downstream drill hole in aqueous coal rock |
| CN204754919U (en) * | 2015-06-25 | 2015-11-11 | 山东科技大学 | Multistage shutoff of roof water guide crack area is system of leaking hunting in step |
| CN205172554U (en) * | 2015-12-09 | 2016-04-20 | 山东科技大学 | Multistage shutoff bi -polar observation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105386752A (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105525910B (en) | Multistage blocks both-end observation procedure | |
| CN105386752B (en) | Multistage blocks both-end observation system | |
| CN105403930B (en) | Country rock Mining failure scope sectionalization test system | |
| CN105547721B (en) | Double-end sealing leak detection integration observation procedure | |
| CN105422078B (en) | Country rock Mining failure scope sectionalization test method | |
| CN105372410B (en) | Double-end sealing leak detection combined geometry | |
| CN205229149U (en) | Bi -polar shutoff integrated observation system of leaking hunting | |
| CN205172554U (en) | Multistage shutoff bi -polar observation system | |
| CN106644306B (en) | Bottom plate Mining failure band is segmented observation system | |
| US20200165887A1 (en) | Graded pressure drop type multi stage water injection device and method based on fracture observation | |
| CN108643891B (en) | Single-loop overburden fracture double-end plugging and leakage detection method | |
| CN205176296U (en) | Destruction scope sectionalization test system is adopted to country rock | |
| CN107829723A (en) | Rock body quality of mine Mining failure scope integral type detecting devices and detection method | |
| US20200165915A1 (en) | Graded pressure drop type detection system and detection method of borehole cracks | |
| CN110243746A (en) | A kind of device and method of layer-through drilling quick in situ test coal seam permeability | |
| CN108645774B (en) | Single-loop overburden fracture double-end plugging leakage detection system | |
| CN103016007A (en) | Electronically controlled single-loop water-plugging overburden strata fracture detection method | |
| CN109975125A (en) | The pressure water experimental facilities and method detected based on coal body or rock-mass relaxing circle | |
| CN107859512A (en) | Two section type roof and floor surrounding rock failure scope observation system | |
| CN108643899B (en) | Mining destructive zone segmented observation method for mine roof and floor | |
| CN108643901B (en) | Multi-section graded pressure reduction water injection observation method based on fracture observation | |
| CN109736779A (en) | A kind of pressure break radius measurement method of this coal seam hydraulic fracture | |
| CN208073472U (en) | One kind being used for deep-well floor rock mining induced fissure detection device | |
| CN207485420U (en) | Rock body quality of mine Mining failure range integral type detecting devices | |
| CN108845101A (en) | It is classified buck borehole fissure detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |