CN207332872U - Blocking type dual probe pressure gauge and eccentric injection mandrel - Google Patents
Blocking type dual probe pressure gauge and eccentric injection mandrel Download PDFInfo
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- CN207332872U CN207332872U CN201721451900.3U CN201721451900U CN207332872U CN 207332872 U CN207332872 U CN 207332872U CN 201721451900 U CN201721451900 U CN 201721451900U CN 207332872 U CN207332872 U CN 207332872U
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Abstract
The utility model provides a kind of blocking type dual probe pressure gauge and eccentric injection mandrel, is related to Fluid pressure technical field of measuring equipment, which includes pulling module, main body module and power module；Pulling module is arranged on the front end of main body module, power module is arranged on the rear end of main body module, pulling module is used to carry out pulling operation, power module is used to provide electric energy, above-mentioned blocking type dual probe pressure gauge is installed in the seating nipple of injection well downhole flow regulator body interior, it cannot be guaranteed normal water filling while solving used clogging pressure gauge test pressure in the prior art, and the simultaneously technical problem such as leak magnitude of register instrument lateral wall fluid cannot be detected.
Description
Technical field
It the utility model is related to Fluid pressure technical field of measuring equipment, more particularly to a kind of blocking type dual probe pressure gauge
And eccentric injection mandrel.
Background technology
As oil field development fine degree is constantly deepened, eccentric water injection test envelope, stratified strategy is increasingly subject to
Pay attention to, proportion is also increasing in oilfield monitoring.In field of oil field oil extraction, in order to improve recovery ratio, it is necessary to ground
Layer water filling, and the situation quantitative injection according to each stratum is needed during water filling, strata pressure is extensive after water filling is stopped
Multiple situation is the important evidence of stratum geological analysis, it is necessary to be tested using clogging pressure gauge, some clogging pressure gauges
When in use, pressure gauge is put into injection well downhole flow regulator, since in use normal water filling cannot be carried out to test zone, so can only
Detect the stratum static pressure after the flowing pressure of non-object layer section and pressure gauge are set in oil pipe, the underground pressure during testing herein
Power state is unable to oil pipe internal pressure of the continuous monitoring to eccentric injection mandrel under normal injection state with difference during normal water filling
The situation of change of power and strata pressure；In addition, the existing clogging pressure gauge used due to reasons in structure test when not
The leak magnitude of simultaneously register instrument lateral wall fluid can be detected, thus be difficult to the authenticity for accurately judging test data, and then
Water-injection efficiency is influenced, reduces recovery ratio.
Utility model content
First purpose of the utility model is to provide a kind of blocking type dual probe pressure gauge, to alleviate institute in the prior art
It cannot be guaranteed normal water filling while the clogging pressure gauge test pressure used, and simultaneously register instrument lateral wall cannot be detected
The technical problems such as the leak magnitude of fluid.
To achieve these goals, the utility model uses following technical scheme：
A kind of blocking type dual probe pressure gauge provided by the utility model,
Including pulling module, main body module and power module；
The pulling module is arranged on the front end of the main body module, and the power module is arranged on the main body module
Rear end, the pulling module are used to carry out pulling operation, and the power module is used to provide electric energy；
The main body module includes main cavity, external pressure transducer and interior pressure sensor；The external pressure transducer and described interior
Pressure sensor is arranged in the main cavity, and pressure transmission hole is provided with the main cavity, and the external pressure transducer passes through the biography
Pressure hole is in communication with the outside；
First seal disc of main body module and the second seal disc, first seal disc are arranged on the main body module
Front end outer side, second seal disc are arranged on the outside of the rear end of the main body module；
The main body module further includes circuit board, the circuit board and the external pressure transducer, the interior pressure sensor, institute
State power module electrical connection.
Further, the pulling module includes fish head, compression spring, connecting rod and cam；
The fish head is arranged on the front end of the pulling module, and the cam is arranged on the rear end of the pulling module, institute
State compression spring to be connected with the connecting rod, and the compression spring and the connecting rod are arranged between the fish head and the cam.
Further, the main body module further includes gland and cavity outer tube；
The cavity outer tube is set in the outside of the main cavity, seals and sets between the cavity outer tube and the main cavity
Put, the gland is arranged on the rear end of the main cavity；
Inlet opening is provided with the gland, fluid hole, the inlet opening and institute are provided with the side wall of the main cavity
State fluid hole connection；
The main cavity is installed and is provided with endoporus at the position of the gland, and the endoporus is connected with the inlet opening, institute
State and water nozzle is provided with endoporus.
Further, the pulling module also wraps and salvages cavity, salvages skull and salvage base；
The base of salvaging is arranged on the rear end of the salvaging cavity, and is connected with the main body module；The fishing head
Lid is arranged on the front end of the salvaging cavity, and the salvaging cavity is used to place the compression spring, the connecting rod and the cam.
Further, the main body module further includes communication plug；
The communication plug is arranged on the rear end of the main cavity.
Further, the main body module further includes helmet；
The helmet is arranged on the main cavity at the position of the salvaging cavity, and is arranged on the external pressure sensing
The front end of device；
Pressure transmission hole is set on the helmet.
Further, the main body module further includes closing piece；
The closing piece is arranged on the side wall of the cavity outer tube, and positioned at the main body module close to the position at middle part
Place.
Further, the pulling module further includes nut, torsional spring, the first locating shaft and the second locating shaft；
The nut connects the connecting rod, and first locating shaft is used to position the fixed nut and the connecting rod；
Second locating shaft is socketed with the torsional spring, and the torsional spring is connected with the cam.
Further, the external pressure transducer and the interior pressure sensor use diffused silicon piezoresistive pressure sensor.
Second purpose of the utility model is to provide a kind of eccentric injection mandrel, used stifled in the prior art to alleviate
It cannot be guaranteed normal water filling while plug pressure gauge test pressure, and cannot detect and register instrument lateral wall fluid oozes
The technical problems such as leakage degree.
The utility model also provides a kind of eccentric injection mandrel, including above-mentioned blocking type dual probe pressure gauge, further includes and matches somebody with somebody
Hydrophone body；
The seating nipple being internally provided with along the length direction extension of the injection well downhole flow regulator body of the injection well downhole flow regulator body, it is described
Blocking type dual probe pressure gauge is installed in the seating nipple.
The beneficial effects of the utility model are：
A kind of blocking type dual probe pressure gauge provided by the utility model, including pulling module, main body module and power supply mould
Block；Pulling module is arranged on the front end of main body module, and power module is arranged on the rear end of main body module, and pulling module is used to carry out
Pulling operation, power module are used to provide electric energy；Main body module includes main cavity, external pressure transducer and interior pressure sensor, external pressure
Sensor and interior pressure sensor are arranged in main cavity, are provided with pressure transmission hole on main cavity, external pressure transducer by pressure transmission hole with
External world's connection；Main cavity Shanghai is provided with the first seal disc and the second seal disc, and the first seal disc is arranged on the front end of main cavity
Outside, the second seal disc are arranged on the outside of the rear end of main cavity；Main cavity further includes circuit board, circuit board and external pressure transducer,
Interior pressure sensor and power module are electrically connected；Solved by said structure when carrying out water filling detection, it is impossible to continuous monitoring
To the situation of change of oily overpressure and strata pressure of the eccentric injection allocation well under normal injection state, while improve existing
The clogging pressure gauge used cannot detect the leak magnitude of simultaneously register instrument lateral wall fluid due to reasons in structure in test
The problem of, and then the authenticity of detection data is improved, water-injection efficiency is improved, adds recovery ratio.
The utility model also provides a kind of eccentric injection mandrel, including above-mentioned blocking type dual probe pressure gauge, further includes and matches somebody with somebody
Hydrophone body, the seating nipple being internally provided with along the length direction extension of injection well downhole flow regulator body of injection well downhole flow regulator body, blocking type is double to be visited
Head pressure gauge is installed in seating nipple, cannot be guaranteed with alleviating used eccentric injection mandrel in the prior art while work
Normal water filling, and the simultaneously technical problem such as leak magnitude of register instrument lateral wall fluid cannot be detected.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram for the blocking type dual probe pressure gauge that the utility model embodiment one provides；
Fig. 2 is the schematic diagram for the pulling module that the utility model embodiment one provides；
Fig. 3 is the schematic diagram of the main body module that the utility model embodiment one provides and power module；
Fig. 4 is the schematic diagram for the eccentric injection mandrel that the utility model embodiment two provides.
Icon：10- pulling modules；20- main body modules；30- power modules；101- fish heads；102- compression springs；103- connecting rods；
104- torsional springs；105- cams；106- nuts；The first locating shafts of 107-；The second locating shafts of 108-；109- salvages skull；110- is beaten
Drag for base；201- main cavities；202- external pressure transducers；Pressure sensor in 203-；204- circuit boards；The first seal discs of 205-；
The second seal discs of 206-；207- communication plugs；208- cavity outer tubes；209- helmets；300- blocking type dual probe pressure gauges；301-
Battery；310- injection well downhole flow regulator bodies.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to which explanation, term " first ", " second " are only used for description purpose in the description of the utility model, and
It is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment one：
As shown in Figs. 1-3, blocking type dual probe pressure gauge 300 provided in this embodiment, including pulling module 10, main body mould
Block 20 and power module 30；Pulling module 10 is arranged on the front end of main body module 20, and power module 30 is arranged on main body module 20
Rear end, pulling module 10 is used to carry out pulling operation, and power module 30 is used to provide electric energy；Main body module 20 includes main cavity
201st, external pressure transducer 202 and interior pressure sensor 203, external pressure transducer 202 and interior pressure sensor 203 are arranged on main cavity 201
It is interior, pressure transmission hole is provided with main cavity 201, external pressure transducer 202 is in communication with the outside by pressure transmission hole；Set on main cavity 201
There are the first seal disc 205 and the second seal disc 206, the first seal disc 205 is arranged on the front end outer side of main cavity 201, and second is close
Closing disk 206 is arranged on the outside of the rear end of main cavity 201；Main cavity 201 further includes circuit board 204, and circuit board 204 is sensed with external pressure
Device 202, interior pressure sensor 203 and power module 30 are electrically connected.
Specifically, pulling module 10 is mainly used for carrying out the part of pulling operation, and pulling module 10 is connected to main body module
20 front end, main body module 20 are mainly the major part for carrying out water filling, detecting pressure；Main body module 20 is provided with along the blocking
The main cavity 201 of the length direction extension of formula dual probe pressure gauge 300, is provided with 202 He of external pressure transducer in main cavity 201
Interior pressure sensor 203, is provided with pressure transmission hole on the side wall of main cavity 201, and pressure transmission hole includes the first pressure transmission hole and the second pressure transmission
Hole, external pressure transducer 202 and the first pressure transmission hole are corresponded to and connected, and interior pressure sensor 203 is mainly used for testing the blocking type dual probe
Pressure gauge 300 is placed in the stream pressure of pressure, i.e. stratum extraneous after waterflood path, and external pressure transducer 202 is connected with the external world, interior
Pressure sensor 203 is corresponded to the second pressure transmission hole and connected；External pressure transducer 202 is used to test and record to test envelope and delaminating pressure testing process
In with the change of well head working system cause the change of water injection pressure, i.e., the stream pressure in oil pipe.
It is additionally provided with circuit chamber in main cavity 201 to be used to place circuit board 204, circuit board 204 is external pressure transducer
202nd, the bridge between interior pressure sensor 203 and power module 30, for connecting whole main body module 20, and then realizes and blocks
The effect of formula dual probe pressure gauge 300, and circuit board 204 can be electrically connected with extraneous pulling equipment therefor；In circuit board 204
On be provided with a/d converter, microcontroller and memory, circuit board 204 can handle the signal of sensor detection and be deposited
Storage；Circuit board 204 employs TG280 high temperature sheets, has that hot operation is reliable, performance is stablized, and circuit board 204 and sensor
Between connecting wire also use high temperature wire, to prolong the service life.
Main body module 20 further includes the first seal disc 205 and the second seal disc 206, and the first seal disc 205 is arranged on main body
At the forward position of module 20, that is, the junction of main cavity 201 and pulling module 10 is arranged on, the second seal disc 206 is set
At the rearward position of main body module 20, that is, the junction of main cavity 201 and power module 30 is arranged on, so that it is guaranteed that entirely
The leakproofness of pressure gauge, during improving water filling fluid seepage or fluid infiltration cause pressure gauge configuration to be damaged, test result essence
The problems such as exactness reduces, recovery ratio reduces.
When in use, the pressure gauge is mounted in the eccentric orfice of eccentric injection mandrel, pressure gauge is upward relative to oil pipe, i.e.,
Straight up, interior pressure sensor 203 is arranged on the lower section of external pressure transducer 202 to pulling module 10, and water is injected from the well head of earth's surface,
Pulling module 10 works under the action of hydraulic pressure, the straight line of the 10 opposite main body module 20 of change driving pulling module of hydraulic pressure away from
From, so that the working status of pulling module 10 is transferred to interior pressure sensor 203, is detected and recorded by interior pressure sensor 203, and
It is transferred to trailer record to take in equipment, so that staff carries out analysis operation.
Wherein, a vibrating sensor can also be set in main body module 20, and vibrating sensor can be used in test should
The impact force of the local environment when carrying out operation of blocking type dual probe pressure gauge 300, to ensure the stability of the pressure gauge, and then
The leak magnitude of test equipment lateral wall liquid, and monitoring data are transmitted on the display module being attached thereto and are recorded.
Solved by said structure when carrying out water filling detection, it is impossible to which continuous monitoring to eccentric injection allocation well is normally being injected
The situation of change of oily overpressure and strata pressure under state, at the same improve the existing clogging pressure gauge used due to
The problem of reasons in structure cannot detect the simultaneously leak magnitude of register instrument lateral wall fluid in test, and then improve detection money
The authenticity of material, improves water-injection efficiency, adds recovery ratio.
In the optional scheme of the present embodiment, as shown in Figs. 1-3, pulling module 10 includes fish head 101, compression spring 102, connecting rod
103 and cam 105, fish head 101 be arranged on the front end of pulling module 10, cam 105 is arranged on the rear end of pulling module 10, compression spring
102 are connected with connecting rod 103, and compression spring 102 and connecting rod 103 are arranged between fish head 101 and cam 105.
Further, pulling module 10 further includes nut 106, torsional spring 104, the first locating shaft 107 and the second locating shaft
108, nut 106 connects connecting rod 103, and the first locating shaft 107 is used to position fixing nut 106 and connecting rod 103；Second locating shaft
108 are socketed with torsional spring 104, and torsional spring 104 is clamped with cam 105.
Specifically, connecting rod 103 includes first connecting rod and second connecting rod, one end of first connecting rod connects with the rear end of fish head 101
Connect, and the other end is connected with the front end of compression spring 102, one end of second connecting rod is connected with the rear end of compression spring 102, and the other end with it is convex
Wheel 105 abuts, and cam 105 is clamped with torsional spring 104, and cam 105 can under the action of fish head 101, connecting rod 103 and torsional spring 104
Realize and rotate, and the maximum outside diameter of the non-bulging injection well downhole flow regulator after gathering of cam 105, fish head 101 are used to be delivered, and experience water distribution
The change of water injection pressure in device seating nipple, so as to drive connecting rod 103 to be subjected to displacement, changes displacement and is transferred to cam by compression spring 102
105, cam 105 rotates.
When pressure gauge above to be carried to the seating nipple by eccentric injection mandrel, hindered downwardly turn over of cam 105 withstands throwing
The control-rod that fish head 101 is connected on device is dragged for, forces the spring on throw in catcher to grab opening, the locking bar on throw in catcher is with control-rod
Uplink, the pulling pawl losing lock on throw in catcher, and outwards pop-up is opened under the action of compression spring 102, so as to carry out pulling or throwing
Send.The effect of compression spring 102 herein is to carry out pulling time control fishhead preparation 101 and connecting rod 103, and smoothly controls cam 105
Direction；The step that the main function of cam 105 can be withstood in injection well downhole flow regulator when being exactly pulling is fixed, and instrument can be made to lean against
Normal position works in injection well downhole flow regulator.
In the optional scheme of the present embodiment, as shown in Figs. 1-3, main body module 20 further includes gland and cavity outer tube 208,
Cavity outer tube 208 is set in the outside of main cavity 201, sealed set between cavity outer tube 208 and main cavity 201, and gland is set
In the rear end of main cavity 201, inlet opening is provided with gland, inlet opening is provided with the side wall of main cavity 201, inlet opening is with going out
Fluid apertures connects.
Further, main cavity 201 is installed and is provided with endoporus at the position of gland, and endoporus is connected with inlet opening, on endoporus
It is arranged at water nozzle.
Specifically, cavity outer tube 208 is arranged on the outside of main cavity 201, and wraps up main cavity 201, to protect main body
Chamber 201, using being tightly connected between cavity outer tube 208 and main cavity 201, reduces pressure gauge fluid seepage in use
Probability, improves circuit board 204, sensor is destroyed, while increases recovery ratio in operation；After main cavity 201
Gland is provided with end, gland ensures to be placed in the security of the parts inside main cavity 201, will not destroy external pressure when in use
Sensor 202, interior pressure sensor 203, vibrating sensor and circuit board 204, particularly on circuit board 204 parts complexity compared with
It is more, and be all microstructure, easily it is easily damaged.
Endoporus is set in the rear end of main cavity 201, water nozzle is provided with endoporus, after gland is arranged on main cavity 201
Hold, be provided with inlet opening on gland, which connects with endoporus, and fluid hole is additionally provided with the side wall of main cavity 201, interior
Hole, inlet opening are connected with fluid hole three, and injection water circulates by water nozzle, endoporus, inlet opening, fluid hole and injects stratum；
Ceramic water nozzle is provided with endoporus, by the water cleaning of ceramic water nozzle, service life length, control water is very convenient, produces skill
Art is relatively convenient, and parts are normative high, versatile, and it is easy to replace, and production cost is not also high.
In the optional scheme of the present embodiment, as shown in Figs. 1-3, pulling module 10, which further includes, salvages cavity, salvages skull
109 and salvage base 110；Salvage base 110 and be arranged on the rear end for salvaging cavity, and be connected with main body module 20, salvage skull
109 set the front end for salvaging cavity, salvage cavity and are used to place compression spring 102, cam 105 and connecting rod 103.
Specifically, salvage cavity to be used to store fishing head, salvage skull 109 and be arranged on the front end for salvaging cavity, after salvaging
Lid is arranged on the rear end for salvaging cavity, and salvages rear cover and be tightly connected with main cavity 201；Skull 109 is salvaged, cavity is salvaged and beats
Drag for rear cover be used for protect be placed in salvaging cavity in fishing head.
In the optional scheme of the present embodiment, as shown in Figs. 1-3, main body module 20 further includes communication plug 207, and communication is inserted
First 207 are arranged on the rear end of main cavity 201.
Specifically, communication plug 207 is arranged on the rear end of main cavity 201, and communication plug 207 can be connecting outside
Communication apparatus, is used for transmission data-signal, and placing battery 301 provides the electricity of whole pressure gauge in power module 30；It is logical
The shell of news plug 207 uses brass material, and the insulator of top parcel is using PEEK (polyetheretherketone Chinese
Title：Polyether-ether-ketone) material, there is higher reliability, and relative volume is smaller, is easily installed arrangement space.
Wherein, power module 30 uses dedicated high-temperature battery 301, and polytetrafluoroethylene (PTFE) material is used in the outside of battery 301
Expect, externally connected using plug, battery 301 is AA, 1/2AA or Sub c-types High Temperature Lithium Cell 301, and 301 plug of battery with leading to
The material for interrogating plug 207 is identical.
In the optional scheme of the present embodiment, as shown in Figs. 1-3, main body module 20 includes helmet 209；Helmet 209 is set
In main cavity 201 with salvaging the junction of cavity, and the front end of external pressure transducer 202 is arranged on, pressure transmission is provided with helmet 209
Hole.
Specifically, helmet 209 is arranged on the front end of main cavity 201, and positioned at the front end of external pressure transducer 202, helmet 209
Form the stop room of external pressure transducer 202, external pressure transducer 202 is wrapped in, it is unlikely so that external pressure transducer 202 is exposed to
Outside, for protecting external pressure transducer 202 to be damaged when pressure gauge is operated be subject to environmental liquids or external environment；Helmet
Pressure transmission hole is provided with 209 and is detected record with pressure sensor easy to pressure transmission.
In the optional scheme of the present embodiment, as shown in Figs. 1-3, main body module 20 further includes closing piece, and closing piece is arranged on chamber
On the side wall of external pipe 208, and positioned at main body module 20 at medium position.
Specifically, two closing pieces are also symmetrically arranged in the close middle part of sliding channel of main cavity 201, to realize pressure
Meter enter the inclined hole of injection well downhole flow regulator after positioning, will the pressure gauge be connected at the reaming on the inclined hole top of injection well downhole flow regulator；Wherein, closing piece is set
The upper spring leaf with differing tilt angles and lower spring leaf are set to, upper spring leaf has larger angle of inclination, to ensure to press
With enough support forces when power meter departs from, lower spring leaf has less angle of inclination, easy to which pressure gauge is fixed on inclined hole
In.
In the optional scheme of the present embodiment, as shown in Figs. 1-3, external pressure transducer 202 and interior pressure sensor 203 use
Diffused silicon piezoresistive pressure sensor.
Specifically, diffused silicon piezoresistive pressure sensor small volume, thus occupied space is relatively small, belongs to microelectronics
Technical field, while the sensitivity of diffused silicon piezoresistive pressure sensor is higher, detection is more accurate.
Embodiment two：
The utility model additionally provides a kind of eccentric injection mandrel, as shown in figure 4, the eccentric injection mandrel includes above-mentioned blocking
Formula dual probe pressure gauge 300, further includes injection well downhole flow regulator body 310, and injection well downhole flow regulator body 310 is internally provided with along injection well downhole flow regulator body
The seating nipple of 310 length direction extension, blocking type dual probe pressure gauge 300 are installed in seating nipple.
Specifically, seating nipple is set in injection well downhole flow regulator body 310, and seating nipple includes eccentric orfice, centre bore and bridge-type
Passage, injection well downhole flow regulator are installed on tubing string, blocking type dual probe pressure gauge 300 are installed in the eccentric orfice of eccentric orfice injection well downhole flow regulator,
And controlled by computer, and then realize laminated distributor under well flow ground directly-reading and adjust in real time.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
1. a kind of blocking type dual probe pressure gauge, it is characterised in that including pulling module, main body module and power module；
The pulling module is arranged on the front end of the main body module, after the power module is arranged on the main body module
End, the pulling module are used to carry out pulling operation, and the power module is used to provide electric energy；
The main body module includes main cavity, external pressure transducer and interior pressure sensor；The external pressure transducer and the internal pressure pass
Sensor is arranged in the main cavity, and pressure transmission hole is provided with the main cavity, and the external pressure transducer passes through the pressure transmission hole
It is in communication with the outside；
The main body module has further included the first seal disc and the second seal disc, and first seal disc is arranged on the main body mould
The front end of block, second seal disc are arranged on the rear end of the main body module；
The main body module further includes circuit board, the circuit board and the external pressure transducer, the interior pressure sensor, the electricity
Source module is electrically connected.
2. blocking type dual probe pressure gauge according to claim 1, it is characterised in that the pulling module include fish head,
Compression spring, connecting rod and cam；
The fish head is arranged on the front end of the pulling module, and the cam is arranged on the rear end of the pulling module, the pressure
Spring is connected with the connecting rod, and the compression spring and the connecting rod are arranged between the fish head and the cam.
3. blocking type dual probe pressure gauge according to claim 1, it is characterised in that the main body module further includes gland
With cavity outer tube；
The cavity outer tube is set in the outside of the main cavity, sealed set between the cavity outer tube and the main cavity,
The gland is arranged on the rear end of the main cavity；
Inlet opening is provided with the gland, is provided with fluid hole on the side wall of the main cavity, the inlet opening with it is described go out
Fluid apertures connects；
The main cavity is installed and is provided with endoporus at the position of the gland, and the endoporus is connected with the inlet opening, described interior
Water nozzle is provided with hole.
4. blocking type dual probe pressure gauge according to claim 2, it is characterised in that the pulling module also wraps salvaging chamber
Body, salvage skull and salvage base；
The base of salvaging is arranged on the rear end of the salvaging cavity, and is connected with the main body module；The salvaging skull is set
Put and be used to place the compression spring, the connecting rod and the cam in the front end of the salvaging cavity, the salvaging cavity.
5. blocking type dual probe pressure gauge according to claim 1, it is characterised in that the main body module further includes communication
Plug；
The communication plug is arranged on the rear end of the main cavity.
6. blocking type dual probe pressure gauge according to claim 4, it is characterised in that the main body module further includes shield
Cap；
The helmet is arranged on the main cavity at the position of the salvaging cavity, and is arranged on the external pressure transducer
Front end；
Pressure transmission hole is set on the helmet.
7. blocking type dual probe pressure gauge according to claim 3, it is characterised in that the main body module further includes lock
Block；
The closing piece is arranged on the side wall of the cavity outer tube, and positioned at the main body module at the position at middle part.
8. blocking type dual probe pressure gauge according to claim 2, it is characterised in that the pulling module further includes spiral shell
Mother, torsional spring, the first locating shaft and the second locating shaft；
The nut connects the connecting rod, and first locating shaft is used to position the fixed nut and the connecting rod；
Second locating shaft is socketed with the torsional spring, and the torsional spring is connected with the cam.
9. according to claim 1-8 any one of them blocking type dual probe pressure gauges, it is characterised in that the external pressure transducer
Diffused silicon piezoresistive pressure sensor is used with the interior pressure sensor.
10. a kind of eccentric injection mandrel, it is characterised in that including claim 1-9 any one of them blocking type dual probe pressure
Meter, further includes injection well downhole flow regulator body；
The seating nipple being internally provided with along the length direction extension of the injection well downhole flow regulator body of the injection well downhole flow regulator body, the blocking
Formula dual probe pressure gauge is installed in the seating nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721451900.3U CN207332872U (en) | 2017-11-02 | 2017-11-02 | Blocking type dual probe pressure gauge and eccentric injection mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721451900.3U CN207332872U (en) | 2017-11-02 | 2017-11-02 | Blocking type dual probe pressure gauge and eccentric injection mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207332872U true CN207332872U (en) | 2018-05-08 |
Family
ID=62364534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721451900.3U Active CN207332872U (en) | 2017-11-02 | 2017-11-02 | Blocking type dual probe pressure gauge and eccentric injection mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207332872U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162658A (en) * | 2018-10-29 | 2019-01-08 | 大庆东达节能技术开发服务有限公司 | Injection well boost motor |
| CN111561302A (en) * | 2020-07-16 | 2020-08-21 | 西安洛科电子科技股份有限公司 | Intelligent water distributor capable of achieving throwing and fishing wave codes communication |
| CN112855124A (en) * | 2019-11-28 | 2021-05-28 | 中国石油天然气股份有限公司 | Pressure measuring device for eccentric separate injection well |
| CN114439416A (en) * | 2020-11-05 | 2022-05-06 | 中国石油化工股份有限公司 | Preset underground throttle |
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2017
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| CN109162658B (en) * | 2018-10-29 | 2020-08-11 | 大庆东达节能技术开发服务有限公司 | Injection well booster |
| CN112855124A (en) * | 2019-11-28 | 2021-05-28 | 中国石油天然气股份有限公司 | Pressure measuring device for eccentric separate injection well |
| CN112855124B (en) * | 2019-11-28 | 2023-12-26 | 中国石油天然气股份有限公司 | Eccentric separate injection well pressure measuring device |
| CN111561302A (en) * | 2020-07-16 | 2020-08-21 | 西安洛科电子科技股份有限公司 | Intelligent water distributor capable of achieving throwing and fishing wave codes communication |
| CN114439416A (en) * | 2020-11-05 | 2022-05-06 | 中国石油化工股份有限公司 | Preset underground throttle |
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