CN207177794U - Vehicle-mounted cased well pressure test sealing device - Google Patents
Vehicle-mounted cased well pressure test sealing device Download PDFInfo
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- CN207177794U CN207177794U CN201720915578.9U CN201720915578U CN207177794U CN 207177794 U CN207177794 U CN 207177794U CN 201720915578 U CN201720915578 U CN 201720915578U CN 207177794 U CN207177794 U CN 207177794U
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- pipeline
- vehicle
- pressure test
- sealing device
- cased well
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Abstract
The utility model discloses a kind of vehicle-mounted cased well pressure test sealing device, belong to oilfield test field.Upper end of the first pipeline both ends of the vehicle-mounted cased well pressure test sealing device respectively with water tank and lubricator connects, the both ends of second pipeline connect with water tank and the 3rd pipeline respectively, booster pump and hydraulic pump are arranged on the 3rd pipeline, one end of 4th pipeline connects with the emptying gate of the lower end of lubricator, one end of 3rd pipeline is connected with booster pump with increase pump, the other end is passed through hydraulic oil, when the sewage that overflow goes out out of well is flowed in water tank from the overfall of the upper end of lubricator by the first pipeline, it is possible to achieve the collection to sewage；Starter, hydraulic pump and supercharging pump work, sewage in water tank flows out from the second pipeline, it is flowed into the 4th pipeline, then pass back into again in lubricator, so that the re-injection of the sewage gone out to overflow in pit shaft into pit shaft, is realized in produced-water reinjection, the efficiency of construction and safety coefficient of cased well pressure test are improved.
Description
Technical field
Oilfield test field is the utility model is related to, more particularly to a kind of vehicle-mounted cased well pressure test sealing device.
Background technology
Oil-water well Dynamic Monitoring is correct understanding oil-gas reservoir, evaluation oil-gas reservoir, scientific and efficient development of fields, raising
The important means of recovery ratio.And cased well pressure test is exactly one of them.
In the cased well pressure test of prior art, it is recovered to by the sewage for going out overflow in pit shaft in tank car, tank
Car is needed sewage transport leaving test site, and then sewage handle in next step, to prevent ecological environment by broken
It is bad, ensure cleaning, being environmentally friendly for construction.In addition, to avoid construction throttle valve before survey with pressure from causing the security incident of cable brittle failure,
Auxiliary equipment is needed to implement water injection technology before surveying.High-pressure well (well head pressure is more than 21MPa) applies man-hour requirement gas drive auxiliary equipment
Carry out grease injection process, it is ensured that wellhead sealing.
During the utility model is realized, designer has found that prior art at least has problems with：
Due to tank car itself finite capacity, and needed after tank car pours into sewage to sewage progress post-processing, and tank car
All sides and user be not same unit or individual, so the sewage of transport and the processing operation, to(for) tank car need
Want many communication and coordination so that the operating efficiency of test process is relatively low, have impact on the progress of test construction, meanwhile, survey
Preceding water injection technology and grease injection process, which are required to single pump and water storage (fat) tank, needs and covers more manifold, and transport connection is cumbersome, exists
Site safety hidden danger.
Utility model content
In consideration of it, the utility model provides a kind of vehicle-mounted cased well pressure test sealing device, to realize to being overflow in pit shaft
The integrated in-situ processing of collection and the re-injection of the sewage of outflow.
A kind of vehicle-mounted cased well pressure test sealing device, it is characterised in that the vehicle-mounted cased well pressure test sealing
Device includes water tank, booster pump, hydraulic pump, the first ball-and-seat, the first pipeline, the second pipeline, the 3rd pipeline and the 4th pipeline,
Wherein,
The water tank is connected with one end of first pipeline, the other end of first pipeline and the upper end of lubricator
Overfall connection, one end of second pipeline is connected with the water tank, the other end of second pipeline and described the
Four pipelines are connected, and first ball-and-seat is arranged on second pipeline；
The booster pump and the hydraulic pump are arranged on the 3rd pipeline, and one end of the 3rd pipeline is passed through hydraulic pressure
Oil, the other end of the 3rd pipeline connect with one end of the booster pump, the other end of the booster pump and the described 4th pipe
Line connects, and the 4th pipeline connects with the emptying gate of lubricator lower end.
Further, the vehicle-mounted cased well pressure test sealing device also includes control panel, and the control panel is set
Put on the top of the water tank.
Further, the vehicle-mounted cased well pressure test sealing device also includes liquid level sensor, the level sensing
Device is arranged in the water tank, and is connected by cable with the control panel.
Further, the control panel, the water tank, the booster pump and first ball-and-seat are arranged on one
In integral box.
Further, the vehicle-mounted cased well pressure test sealing device also includes replace clear tank, it is described replace clear tank with it is described
Water tank is connected.
Further, the vehicle-mounted cased well pressure test sealing device also includes unloading valve, and the unloading valve is arranged on
On 3rd pipeline, and between the booster pump and the hydraulic pump.
Further, the vehicle-mounted cased well pressure test sealing device also includes the 5th pipeline and depot fat tank, and described
One end of five pipelines connects with the water tank, and the other end of the 5th pipeline connects with the upper end of the lubricator, described
Depot fat tank is connected with the water tank.
Further, the vehicle-mounted cased well pressure test sealing device also includes pressure gauge, and the pressure gauge is arranged on
On the pipeline of one end that the 4th pipeline connects with the emptying gate of the lower end of the lubricator.
Further, the vehicle-mounted cased well pressure test sealing device also includes the second ball-and-seat and overflow valve, described
Second ball-and-seat and the overflow valve are arranged on the 4th pipeline, and the overflow valve is arranged on the pressure gauge and described
Between booster pump, second ball-and-seat is arranged between the overflow valve and the pressure gauge.
Further, the vehicle-mounted cased well pressure test sealing device also includes filter, and the filter is arranged on
The interface of the water tank and the second pipeline.
The beneficial effect of technical scheme that the utility model embodiment provides is：
1st, it is connected by water tank with one end of the first pipeline, the other end connects with the overfall of the upper end of lubricator, the
One end of two pipelines is connected with water tank, and the other end connects with the 3rd pipeline, and the first ball-and-seat is arranged on the second pipeline, increases
Press pump and hydraulic pump are arranged on the 3rd pipeline, and one end of the 4th pipeline connects with the emptying gate of the lower end of lubricator, when from
The sewage that overflow goes out in well is flowed in water tank from the overfall of the upper end of lubricator by the first pipeline, it is possible to achieve to sewage
Collection；Subsequent start-up device, hydraulic pump and supercharging pump work, the sewage in water tank flow out from the second pipeline, pass through first
Ball-and-seat is flowed into the 4th pipeline, and the emptying gate to be flowed back by the 4th pipeline from the lower end of lubricator is flowed into lubricator,
So that produced-water reinjection into pit shaft, realizes the re-injection for the sewage for overflow in pit shaft, and then realize overflow in pit shaft
Sewage collection and re-injection integrated in-situ processing, improve the efficiency of cased well pressure test；
2nd, before cased well pressure test, hydraulic pump and booster pump are started, when the water in water tank flows out from the second pipeline,
4th pipeline is flowed into by the first ball-and-seat, then flowed into by the 4th pipeline in lubricator so that water fills lubricator, realizes
Water injection technology before survey, improve the safety coefficient that drives a well.
3rd, being connected by one end of the 5th pipeline with water tank, the other end of the 5th pipeline connects with the upper end of lubricator,
Depot fat tank is connected with water tank, in high pressure well test, starts hydraulic pump and booster pump so that the stop-leak compound in depot fat tank flows into
Into water tank, by the first ball-and-seat, the second pipeline is flowed through, is flowed into the 4th pipeline, stop-leak compound flows into from the 4th pipeline
Into lubricator, the function of high-pressure well greasing is realized.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation for vehicle-mounted cased well pressure test sealing device that the utility model embodiment provides
Figure.
Reference in figure represents respectively：
1st, control panel；
2nd, water tank；
3rd, hydraulic pump；
4th, booster pump；
5th, for clear tank；
6th, depot fat tank；
7th, the first ball-and-seat；
8th, overflow valve；
9th, unloading valve；
10th, pressure gauge；
11st, the second ball-and-seat；
12nd, first switch；
13rd, second switch；
14th, liquid level sensor；
15th, the 3rd switch；
16th, the 4th switch；
17th, the 5th switch；
18th, the first pipeline；
19th, the second pipeline；
20th, the 3rd pipeline；
21st, the 4th pipeline；
22nd, the 5th pipeline.
Embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with accompanying drawing
Mode is described in further detail.
The utility model embodiment provides a kind of vehicle-mounted cased well pressure test sealing device, as shown in figure 1, including storage
Water pot 2, booster pump 4, hydraulic pump 3, the first ball-and-seat 7, the first pipeline 18, the second pipeline 19, the 3rd pipeline 20 and the 4th pipeline
21。
Water tank 2 is connected with one end of the first pipeline 18, and the other end A mouths of the first pipeline 18 and the upper end of lubricator are overflow
Head piece connects, and one end of the second pipeline 19 is connected with water tank 2, and the other end of the second pipeline 19 connects with the 4th pipeline 21, and
First ball-and-seat 7 is arranged on the second pipeline 19.
Booster pump 4 and hydraulic pump 3 are arranged on the 3rd pipeline 20, and one end of the 3rd pipeline 20 is passed through hydraulic oil, the 3rd pipe
The other end of line and the UNICOM of booster pump 4, the other end of booster pump 4 and the UNICOM of the 4th pipeline 21, the 4th pipeline and lubricator lower end
Emptying gate connection.
Therefore, vehicle-mounted cased well pressure test sealing device of the present utility model is when overflow goes out sewage in well, sewage from
The overfall of the upper end of lubricator is flowed into the first pipeline 18, and is flowed into from the first pipeline 18 in water tank 2, is realized to dirt
The collection of water；Subsequent start-up device, booster pump 4 and hydraulic pump 3 work, and the sewage in water tank 2 flows out from the second pipeline 19, lead to
Cross the first ball-and-seat 7 and be flowed into the 4th pipeline 21, by the 4th pipeline 21, be flowed into from the emptying gate of the lower end of lubricator anti-
In jet pipe so that produced-water reinjection realizes the re-injection of the sewage gone out to overflow in pit shaft, and then realize in pit shaft into pit shaft
The integrated in-situ processing of collection and the re-injection of the sewage that overflow goes out, improve the efficiency of cased well pressure test.
It should be noted that under the collective effect of booster pump 4 and hydraulic pump 3, sewage in water tank 2 is from the second pipeline
19 outflow principles be：Booster pump 4, the pipeline 20 of hydraulic pump 3 and the 3rd form one article of hydraulic oil circuit, and car starts where device
Machine makes hydraulic pump 3 suction out hydraulic oil from oil pump, hydraulic pump 3 pumps out hydraulic oil driving booster pump 4 and worked, can by power takeoff
To cause the piston in booster pump 4 to move reciprocatingly, because booster pump 4 connects with the 4th pipeline 21 and the second pipeline 19 respectively,
So that the sewage in water tank 2 is flowed into the supercharging cylinder body of booster pump 4 from the first ball-and-seat 7 by the second pipeline 19, sewage
By being back to from the 4th pipeline 21 in the emptying gate of lubricator lower end.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, hydraulic pump 3 and booster pump 4 it
Between be provided with the 5th switch 17, as shown in figure 1, the 5th switch 17 be used for hydraulic oil is entered in the 3rd pipeline 20 from C mouths
Row regulation and control.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, the first pipeline 18 A mouths with
First switch 12 is provided between water tank 2, when first switch 12 is opened, the sewage that overflow goes out out of pit shaft can be from A mouths
Flow into the first pipeline 18, be then flowed into water tank 2.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes control panel 1, and control panel 1 is arranged on the top of water tank 2, can be manipulated by panel 1 and realize
Control to vehicle-mounted cased well pressure test sealing device.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, if being provided with control panel 1
Dry run button, wherein, including manual operation button and button is automatically brought into operation, select the vehicle-mounted sleeve pipe to supply operating personnel
The operating process of well pressure test sealing device is is automatically brought into operation or manually operated.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, it is provided with control panel 1 tight
Anxious split key, can be by pressing emergency cut-off button when there is emergency during cased well pressure test so that
The vehicle-mounted cased well pressure test sealing device is stopped.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, needed for control panel 1 electricity by
Vehicular power-bottle 24VDC is provided.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes liquid level sensor 14, and liquid level sensor 14 is arranged in water tank 2, as shown in figure 1, passing through cable and control
Panel 1 connects, and liquid level sensor 14 transmits liquid level information to control panel 1 in the form of a voltage, when operating personnel select
Operating process for be automatically brought into operation when, if the liquid level in water tank 2 reaches the first liquid level threshold value, the vehicle-mounted cased well band
Pressure test sealing device automatic start；If the liquid level in water tank 2 reaches the second liquid level threshold value, the vehicle-mounted cased well
Pressure test sealing device is automatically stopped.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, control panel 1, water tank 2, increase
The ball-and-seat 7 of press pump 4 and first is arranged in an integral box, in order to the operation and control of operating personnel.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes replacing clear tank 5, is connected for clear tank 5 with water tank 2, clear liquid is replaced for being filled with clear tank 5, for water tank 2
With the cleaning of booster pump 4, simultaneously so that water tank 2 and booster pump 4 have anti-corrosive properties.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, for clear tank 5 and water tank 2 it
Between be provided with the 3rd switch 15, after cased well pressure test is completed, open the 3rd switch 15, can make for clear tank 5 with store up
Connect between water pot 2, be flowed into for clear liquid in water tank 2.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes unloading valve 9, and unloading valve 9 is arranged on the 3rd pipeline 20, and between booster pump 4 and hydraulic pump 3, is passed through
Control emptying is realized to be stopped operation to the vehicle-mounted cased well pressure test sealing device.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes the second ball-and-seat 11 and overflow valve 8, and the second ball-and-seat 11 and overflow valve 8 are arranged on the 4th pipeline 21, and
Overflow valve 8 is arranged between pressure gauge 10 and booster pump 4, and the second ball-and-seat 11 is arranged between overflow valve 8 and pressure gauge 10, the
Two ball-and-seats 11 are used for the flow direction for controlling sewage, and overflow valve 8 is used for level pressure overflow and voltage stabilizing, plays the vehicle-mounted cased well of safeguard protection
The effect of pressure test sealing device.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes filter, and filter is arranged on the interface of water tank and the second pipeline, for filter sewage, prevents sewage
Corrode booster pump 4.
In working at the scene, operated exemplified by being automatically brought into operation.
First, operating personnel press and are automatically brought into operation button on control panel 1, and secondly, opening testing well gate, first open
Close 12 and the 5th and switch 17, start to log well.
In well logging, the sewage that overflow goes out from testing well flows through the first pipeline 18, is constantly flowed into storage by A mouths
In water pot 2, when the sewage level in water tank 2 reaches the first liquid level threshold value, the vehicle-mounted cased well pressure test device
Start, booster pump 4 and hydraulic pump 3 are started working.Because the second ball-and-seat 11 is closed, coordinate booster pump 4 and hydraulic pump 3 to sewage
It is pressurized, when the pressure of sewage is higher than well head pressure, output pressure is adjusted by overflow valve 8, sewage passes through the 4th pipeline
21 D mouths, then be recycled into from lubricator in well.When sewage level reaches the second liquid level threshold value, booster pump 4 and hydraulic pressure
Pump 3 is automatically stopped work.And so on, until completing well logging.
After the completion of cased well pressure test, the 3rd switch 15 is opened, will be connected for clear tank 5 with water tank 2 so that for clear
Liquid is flowed into water tank 2 from for clear tank 5, realizes the cleaning to water tank 1 and increase pump 6 and anti-corrosion.
In another case, the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, can also be real
Buffering water filling before now testing.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, the water before test in water tank 2
Amount is preferably 1.2 times of lubricator inner volume.
In working at the scene, operated exemplified by manually operated.
Going out Chinese herbaceous peony, will first poured water in water tank 2, it is ensured that the water of priming charge is the 1.2 of test lubricator inner volume
Times.
After test site parking, the A mouths of the first pipeline 18 are connected with the overflow pipe of lubricator upper end, the 4th pipeline 21
D mouths be connected with the emptying gate of lubricator lower end, the mode selection switch on control panel 1 is placed in manual mode, then
First switch 12 is opened, starts hydraulic pump 4 and booster pump 3 so that the water in water tank 2 flows into the second pipeline 19, by first
The ball-and-seat 11 of ball-and-seat 7 and second, is injected into lubricator so that water fills lubricator, when first from the D mouths of the 4th pipeline 21
When returning liquid of pipeline 18A mouths, confirm that the buffering water filling before cased well pressure test is completed.
In another case, the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, can also be real
The greasing of existing high-pressure well.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes the 5th pipeline 22 and depot fat tank 6, and the one end of the 5th pipeline 22 connects with water tank 6, the 5th pipeline 22 it is another
End B mouths connect with the upper end of lubricator, and depot fat tank 6 is connected with water tank 2, and the stop-leak compound in depot fat tank 6 can be with by water tank 2
It is flowed into from the 4th pipeline 21 in lubricator.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, water tank 2 and depot fat tank 6 it
Between be provided with the 4th switch 16, when the oil pressure of testing well is more than 21MPa, open the 4th switch 16, it is possible to achieve depot fat tank 6 and
Connection between water tank 2.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, the 5th pipeline 22 B mouths with
Second switch 13 is provided between water tank 2, when second switch 13 is opened, the sewage that overflow goes out out of pit shaft can be from B mouths
Flow into the 5th pipeline 22, be then flowed into water tank 2.
In the vehicle-mounted cased well pressure test sealing device of the utility model embodiment, vehicle-mounted cased well pressure test is close
Seal apparatus also includes pressure gauge 10, and pressure gauge 10 is arranged on the pipeline of one end that the 4th pipeline 21 connects with the lower end of lubricator
On, on the one hand, in automatic mode, the pressure data of pressure gauge 10 can be for transmission on control panel 1；On the other hand, in hand
, can manual regulation relief valve 8 by observing the pressure value at where pressure gauge 10 so that the pressure after regulation during dynamic model formula
Pressure value at where table 10 is more than well head pressure, and the numerical value being more than is preferably 3-5MPa.
In working at the scene, operated exemplified by manually operated.
When the oil pressure of testing well is more than 21MPa, grease injection process need to be used testing well, the 4th switch 16 is opened, will store up
Fat tank 6 connects with water tank 2.A mouths and B mouths are connected, the D mouths of the 4th pipeline 21 are connected to the greasing mouth of lubricator upper end, will
Mode selection switch on control panel 1 is placed in manual mode, then opens first switch 12, second switch 13 and the 5th switchs
17, start booster pump 4 and hydraulic pump 3, because the second ball-and-seat 11 is closed, coordinate booster pump 4 and hydraulic pump 3 to carry out stop-leak compound
Supercharging, stop-leak compound in depot fat tank 6 are flowed through the second pipeline 19, are flowed into the 4th pipeline 21 by the first ball-and-seat 7, when the
When pressure in four pipelines 21 fat occurs back higher than the B mouths of well head pressure and the 5th pipeline, the greasing to high-pressure well is realized.
It is described above to be for only for ease of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. vehicle-mounted cased well pressure test sealing device, it is characterised in that the vehicle-mounted cased well pressure test sealing dress Put including water tank, booster pump, hydraulic pump, the first ball-and-seat, the first pipeline, the second pipeline, the 3rd pipeline and the 4th pipeline, its In,The water tank is connected with one end of first pipeline, and the other end of first pipeline and the upper end of lubricator are overflow Head piece connects, and one end of second pipeline is connected with the water tank, the other end of second pipeline and the described 4th pipe Line is connected, and first ball-and-seat is arranged on second pipeline；The booster pump and the hydraulic pump are arranged on the 3rd pipeline, and one end of the 3rd pipeline is passed through hydraulic oil, The other end of 3rd pipeline connects with one end of the booster pump, and the other end of the booster pump connects with the 4th pipeline Logical, the 4th pipeline connects with the emptying gate of lubricator lower end.
- 2. vehicle-mounted cased well pressure test sealing device according to claim 1, it is characterised in that the vehicle-mounted cased well Pressure test sealing device also includes control panel, and the control panel is arranged on the top of the water tank.
- 3. vehicle-mounted cased well pressure test sealing device according to claim 2, it is characterised in that the vehicle-mounted cased well Pressure test sealing device also includes liquid level sensor, and the liquid level sensor is arranged in the water tank, and passes through cable It is connected with the control panel.
- 4. vehicle-mounted cased well pressure test sealing device according to claim 3, it is characterised in that the control panel, The water tank, the booster pump and first ball-and-seat are arranged in an integral box.
- 5. vehicle-mounted cased well pressure test sealing device according to claim 1, it is characterised in that the vehicle-mounted cased well Pressure test sealing device also includes replacing clear tank, described to be connected for clear tank with the water tank.
- 6. vehicle-mounted cased well pressure test sealing device according to claim 1, it is characterised in that the vehicle-mounted cased well Pressure test sealing device also includes unloading valve, and the unloading valve is arranged on the 3rd pipeline, and is located at the booster pump Between the hydraulic pump.
- 7. vehicle-mounted cased well pressure test sealing device according to claim 1, it is characterised in that the vehicle-mounted cased well Pressure test sealing device also includes the 5th pipeline and depot fat tank, and one end of the 5th pipeline connects with the water tank, institute The other end for stating the 5th pipeline connects with the upper end of the lubricator, and the depot fat tank is connected with the water tank.
- 8. vehicle-mounted cased well pressure test sealing device according to claim 1, it is characterised in that the vehicle-mounted cased well Pressure test sealing device also includes pressure gauge, and the pressure gauge is arranged on the 4th pipeline and the lower end of the lubricator It is vented on the pipeline of one end of gate connection.
- 9. vehicle-mounted cased well pressure test sealing device according to claim 8, it is characterised in that the vehicle-mounted cased well Pressure test sealing device also includes the second ball-and-seat and overflow valve, and second ball-and-seat and the overflow valve are arranged on described On 4th pipeline, and the overflow valve is arranged between the pressure gauge and the booster pump, and second ball-and-seat is arranged on Between the overflow valve and the pressure gauge.
- 10. vehicle-mounted cased well pressure test sealing device according to claim 1, it is characterised in that the vehicle-mounted sleeve pipe Well pressure test sealing device also includes filter, and the filter is arranged on the interface of the water tank and the second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915578.9U CN207177794U (en) | 2017-07-26 | 2017-07-26 | Vehicle-mounted cased well pressure test sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915578.9U CN207177794U (en) | 2017-07-26 | 2017-07-26 | Vehicle-mounted cased well pressure test sealing device |
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| Publication Number | Publication Date |
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| CN207177794U true CN207177794U (en) | 2018-04-03 |
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ID=61737738
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720915578.9U Active CN207177794U (en) | 2017-07-26 | 2017-07-26 | Vehicle-mounted cased well pressure test sealing device |
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| CN (1) | CN207177794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594983A (en) * | 2019-01-29 | 2019-04-09 | 山西省地质矿产研究院(山西省煤层气测试技术研究院) | Coal bed gas injection pressure drop well testing top-up injection and Original strata stress test monitoring system |
-
2017
- 2017-07-26 CN CN201720915578.9U patent/CN207177794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594983A (en) * | 2019-01-29 | 2019-04-09 | 山西省地质矿产研究院(山西省煤层气测试技术研究院) | Coal bed gas injection pressure drop well testing top-up injection and Original strata stress test monitoring system |
| CN109594983B (en) * | 2019-01-29 | 2022-04-22 | 山西省地质矿产研究院(山西省煤层气测试技术研究院) | Constant-current injection and in-situ stress test monitoring system for coal bed gas injection pressure drop well testing |
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