CN109917451A - A kind of gas control well geophone - Google Patents
A kind of gas control well geophone Download PDFInfo
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- CN109917451A CN109917451A CN201711318696.2A CN201711318696A CN109917451A CN 109917451 A CN109917451 A CN 109917451A CN 201711318696 A CN201711318696 A CN 201711318696A CN 109917451 A CN109917451 A CN 109917451A
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- piston
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- piston rod
- plunger shaft
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Abstract
The present invention relates to a kind of gas control well geophones, which solve the installation of existing borehole geophone is complicated, the technical issues of can not being used under severe field environment and compared with small-well-diameter, it includes signal receiving body, middle casing, injection block, connecting rod, upper cover, multicore cable and tracheae, the wave detector machine core connecting with multicore cable is equipped in signal receiving body, upper cover is connect with middle casing, and signal receiving body is connect with middle casing；Middle casing is equipped with plunger shaft, cable through-hole and recessing groove；Multicore cable is pierced by from cable through-hole；Seal plug, piston and piston rod are equipped in middle casing, seal plug is fixedly connected with plunger shaft, and piston is slidably connected with plunger shaft, and the upper end of piston rod is connect with piston；The top of injection block and middle casing are rotatablely connected, and the upper end of connecting rod and the lower end of piston rod are rotatablely connected, and the lower end of connecting rod and the lower rotational of injection block connect；Tracheae passes through upper cover and connect with seal plug.The present invention can be used for wave detector technical field.
Description
Technical field
The present invention relates to a kind of wave detectors, in particular to a kind of gas control well geophone.
Background technique
By land in oil and gas exploration technology, in order to avoid the attenuation filter effect of near surface Soft Soil Layer, more really
Ground obtains subsurface reflective wave number evidence, often using the process that detector array is placed in deep-well.When borehole geophone quilt
When being placed in shaft bottom and carrying out reception signal data, truer, more rich data can be obtained, but on condition that borehole geophone needs
Good coupling is realized with the borehole wall, can really reflect the vibration information in shaft bottom.
Air bag backup and motor backup mode are relatively mostly used in borehole geophone form at present.Under air bag backup mode, benefit
Air bag expansion is realized with compressed air and holds out against coupling, this air bag is easily damaged, is restricted using depth, can not be severe
It is promoted the use of under field environment.Motor backup mode is to lead to the positive and negative rotation of positive counter voltage realization motor in turn using to motor
It drives support arm to open or be closed, in well geophone main body not only needs that detector array is arranged under the mode, with greater need for
Motor and kinematic link etc. are set, therefore whole are relatively large in diameter.And existing rank locating for the industry of China's country's oil-gas exploration at present
Section needs a kind of simple and practical well geophone, can carry out in the wider geology range in field and lesser hole diameter
It uses, determines that the development of minor diameter well geophone has become those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The present invention seeks to solve existing borehole geophone installation complexity, can not be under severe field environment and compared with The Small Well
The technical issues of using in the case of diameter provides a kind of gas control underground that geophone coupling backup is realized using gas compression principle
Wave detector.
The technical scheme is that including signal receiving body, middle casing, injection block, connecting rod, upper cover, multicore
Cable and tracheae, the signal receiving body is interior to be equipped with wave detector machine core, and the signal output end and multicore cable of wave detector machine core connect
It connects；
The lower end of upper cover and the upper end of middle casing connect, and the lower end of middle casing and the upper end of signal receiving body connect
It connects；Middle casing is equipped with plunger shaft, piston rod channel, cable through-hole and recessing groove；Multicore cable passes through recessing groove, from middle case
Cable through-hole on body, which is pierced by, is then passed through upper cover；
Seal plug, piston and piston rod are equipped in middle casing, seal plug is fixedly connected with plunger shaft, the sealing
O-shaped rubber ring is equipped between plug and the inner peripheral surface of plunger shaft；Piston and the inner wall of plunger shaft are slidably connected, piston and piston
O-shaped rubber ring is equipped between the inner wall of chamber；Piston rod is set in piston rod channel, and the upper end of piston rod is connect with piston；Piston
O-shaped rubber ring is equipped between bar and the inner wall in piston rod channel；
The top of injection block and middle casing are rotatablely connected, and the upper end of connecting rod and the lower end of piston rod are rotatablely connected, institute
The lower rotational of the lower end and injection block of stating connecting rod connects；
Seal plug is equipped with venthole, and venthole is connected to plunger shaft；Tracheae passes through upper cover and connect with venthole.
Preferably, the bottom of middle casing is connected with lower cone, and injection block is b type injection block.
Preferably, wave detector machine core is simple component wave detector machine core or multi -components wave detector machine core.
The beneficial effects of the present invention are:
A present invention generally cylindrical shape structure, reasonable structure designs so that integral diameter is smaller, can reach
45mm, the deep-well that can be satisfied with domestic oil-gas exploration use needs.
Tracheae can bear effect instead of lifting rope during underground detector down-well or upper well in the present invention, both protect
Multicore cable also facilitates operating with for well geophone.
The present invention realizes that backup is coupled using compressed gas, and an inflator can provide compressed gas, without
It is storage battery control motor progress backup coupling, therefore very convenient when field uses, conducive to the transport and storage in field.
Detailed description of the invention
Fig. 1 is the cross-sectional view of gas control well geophone of the invention when push-off pin recycles state；
Fig. 2 is the cross-sectional view of gas control well geophone of the invention when push-off pin releases state；
Fig. 3 is the structural schematic diagram of middle casing.
Symbol description in figure:
1. tracheae, 2. multicore cables, 3. upper covers, 4. crossed countersunk head screws, 5. gas-tpe fittings, 6. seal plugs, 7.O type
Rubber ring, 8. pistons, 9.O type rubber ring, 10. piston rods, 11.O type rubber ring, 12. side rotating shafts, 13. last time shafts, 14.
Connecting rod, 15. lower rotating shafts, 16. injection blocks, 17. middle casings, 17-1. plunger shaft, 17-2. recessing groove, 17-3. cable are logical
Hole, 17-4. piston rod channel, 18. signal receiving body, 19. lower cones.
Specific embodiment
Referring to the drawings, with specific embodiment, invention is further described in detail.
As shown in Figure 1-3, a gas control well geophone generally cylindrical shape structure, be divided into from bottom to top lower cone 19,
Signal receiving body 18, middle casing 17, upper cover 3, multicore cable 2 and tracheae 1.
Can be as needed, simple component wave detector machine core or multi -components wave detector machine core are installed in signal receiving body 18, it is single
Signal output end on component wave detector machine core or multi -components wave detector machine core is connect with multicore cable 2.Middle casing 17 it is upper
End is fixedly connected by crossed countersunk head screw 4 with the lower end of upper cover 3, and the lower end of middle casing 17 equally passes through crossed countersunk head spiral shell
Nail is fixedly connected with the upper end of signal receiving body 18；Middle section is equipped with plunger shaft 17-1 at one, lives at one in middle casing 17
Stopper rod channel 17-4, recessing groove 17-2, recessing groove 17-2 are located at plunger shaft 17-1 and piston at cable through-hole 17-3 and one at one
The lower section of bar channel 17-4.Piston rod channel 17-4 is connected to plunger shaft 17-1.The top of upper cover 3 is equipped with through-hole at two, point
Multicore cable 2 and tracheae 1 Yong Yu not drawn.Multicore cable 2 passes through recessing groove 17-2, the cable through-hole out of middle casing 17
17-3 is pierced by the inner cavity for being then passed through upper cover 3, finally draws from the top through-hole of upper cover 3.
Be provided with the fixed seal plug 6 in position in the plunger shaft 17-1 of middle casing 17, and slidable piston 8 and
Piston rod 10.Seal plug 6 is fixedly connected by the inner wall of screw and plunger shaft 17-1 top, i.e. seal plug 6 and middle case
Body 17 is fixedly connected；It is connected with O-shaped rubber ring 7 between seal plug 6 and the inner peripheral surface of plunger shaft 17-1, realizes sealing.It is living
O-shaped rubber ring 9 is equipped between plug 8 and the inner peripheral surface of plunger shaft 17-1, piston 8 and O-shaped rubber ring 9 can be in plunger shaft 17-1
Inner wall on slide.O-shaped rubber ring 11 is connected between piston rod 10 and the inner wall of piston rod channel 17-4.Piston rod 10 it is upper
End is connect with piston 8, and the upper surface of piston 8 is towards seal plug 6, and lower end surface is towards piston rod 10.
B type injection block 16 is provided at the recessing groove 17-2 of middle casing 17, side rotating shaft 12 and middle casing 17 are fixed
Connection, the top of injection block 16 and side rotating shaft 12 are rotatablely connected, and injection block 16 can be rotated around side rotating shaft 12.Last time shaft
13 are fixedly connected with the lower end of piston rod 10, and lower rotating shaft 15 is fixedly connected with injection block 16, the upper end of connecting rod 14 and last time
Shaft 13 is rotatablely connected, and the lower end of connecting rod 14 and lower rotating shaft 15 are rotatablely connected.
The center of seal plug 6 is equipped with threaded hole, is connected with gas-tpe fitting 5, tracheae 1 and 5 phase of gas-tpe fitting on threaded hole
Even, the compressed gas of well head is reached between 8 upper surface of piston and seal plug 6 by tracheae 1, gas-tpe fitting 5 and seal plug 6
Chamber.
Lower cone 19 is connect with the bottom of signal receiving body 18.
Lower cone 19, signal receiving body 18, middle casing 17 and the one elongated well geophone of whole composition of upper cover 3,
When not being passed through compressed gas in tracheae 1, it is normal pressure in plunger shaft 17-1, pushes injection block 16 can be by piston 8 and piston rod 10
Back into plunger shaft 17-1, injection block 16 is recovered in recessing groove 17-2, be conducive to entire gas control well geophone in well on
Lower movement, as shown in Figure 1.As shown in Fig. 2, when being passed through compressed gas into tracheae 1 with inflator, it is same in plunger shaft 17-1
Full of compressed gas, due to the pressure imbalance at 10 both ends of piston rod, piston rod 10 can be ejected outward by piston 8, due to connection
The effect meeting of bar 14 is so that injection block 16 is rotated around side rotating shaft 12, so that injection block 16 be ejected, and then by middle casing 17
Counter to withstand on the borehole wall, backup is very secured, realizes coupling effect.
The above is not intended to restrict the invention, only to the preferred embodiment of invention for the technology of this field
For personnel, the invention may be variously modified and varied.
Claims (3)
1. a kind of gas control well geophone, which is characterized in that including signal receiving body, middle casing, injection block, connecting rod, on
End socket, multicore cable and tracheae, the signal receiving body is interior to be equipped with wave detector machine core, the signal output end of the wave detector machine core
It is connect with multicore cable；
The lower end of the upper cover and the upper end of middle casing connect, and the lower end of middle casing and the upper end of signal receiving body connect
It connects；The middle casing is equipped with plunger shaft, piston rod channel, cable through-hole and recessing groove；Multicore cable passes through recessing groove, therefrom
Between cable through-hole on shell be pierced by and be then passed through upper cover；
Seal plug, piston and piston rod are equipped in the middle casing, seal plug is fixedly connected with plunger shaft, the sealing
O-shaped rubber ring is equipped between plug and the inner peripheral surface of plunger shaft；Piston and the inner wall of plunger shaft are slidably connected, piston and piston
O-shaped rubber ring is equipped between the inner wall of chamber；The piston rod is set in piston rod channel, and the upper end of piston rod is connect with piston；
O-shaped rubber ring is equipped between the piston rod and the inner wall in piston rod channel；
The top of the injection block and middle casing are rotatablely connected, and the upper end of the connecting rod and the lower end of piston rod rotate and connect
It connects, the lower end of the connecting rod and the lower rotational of injection block connect；
The seal plug is equipped with venthole, and venthole is connected to plunger shaft；Tracheae passes through upper cover and connect with venthole.
2. gas control well geophone according to claim 1, which is characterized in that the bottom of the middle casing is connected with down
Cone；Injection block is b type injection block.
3. gas control well geophone according to claim 2, which is characterized in that the wave detector machine core is simple component detection
Device machine core or multi -components wave detector machine core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711318696.2A CN109917451A (en) | 2017-12-12 | 2017-12-12 | A kind of gas control well geophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711318696.2A CN109917451A (en) | 2017-12-12 | 2017-12-12 | A kind of gas control well geophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109917451A true CN109917451A (en) | 2019-06-21 |
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ID=66956840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711318696.2A Pending CN109917451A (en) | 2017-12-12 | 2017-12-12 | A kind of gas control well geophone |
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| Country | Link |
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| CN (1) | CN109917451A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988984A (en) * | 2019-12-23 | 2020-04-10 | 山东大学 | Wireless detector device capable of being fixed quickly |
| CN111308545A (en) * | 2020-03-12 | 2020-06-19 | 四川省兴冶岩土工程检测有限责任公司 | Rock-soil body grouting effect detection device and method |
-
2017
- 2017-12-12 CN CN201711318696.2A patent/CN109917451A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988984A (en) * | 2019-12-23 | 2020-04-10 | 山东大学 | Wireless detector device capable of being fixed quickly |
| CN110988984B (en) * | 2019-12-23 | 2021-08-17 | 山东大学 | Wireless detector device capable of being fixed quickly |
| CN111308545A (en) * | 2020-03-12 | 2020-06-19 | 四川省兴冶岩土工程检测有限责任公司 | Rock-soil body grouting effect detection device and method |
| CN111308545B (en) * | 2020-03-12 | 2022-02-18 | 四川省兴冶岩土工程检测有限责任公司 | Rock-soil body grouting effect detection device and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190621 |