CN207568595U - drilling fluid loss measuring device - Google Patents
drilling fluid loss measuring device Download PDFInfo
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- CN207568595U CN207568595U CN201721470455.5U CN201721470455U CN207568595U CN 207568595 U CN207568595 U CN 207568595U CN 201721470455 U CN201721470455 U CN 201721470455U CN 207568595 U CN207568595 U CN 207568595U
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- drilling fluid
- ultrasonic sensor
- measuring device
- cover board
- fluid leakage
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- 238000005553 drilling Methods 0.000 title claims abstract description 57
- 239000012530 fluid Substances 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 19
- 230000000994 depressogenic effect Effects 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The application provides a drilling fluid loss measuring device includes: the outer wall is formed with the body of first mounting groove, be provided with first apron in the first mounting groove, its diapire is provided with first storage tank, form first sealed chamber between the diapire of first storage tank and first mounting groove, wherein hold and have first power and first signal processing module, be provided with two first ultrasonic sensor on the first apron, two first ultrasonic sensor's center pin is on same straight line, and two first ultrasonic sensor's detection end is directional first end and the second end of body respectively, two first ultrasonic sensor's sensitive end is relative, one of them first ultrasonic sensor and first power electric connection, another first ultrasonic sensor and first signal processing module signal connection. The drilling fluid loss measuring device can accurately measure and find out the position where the drilling fluid is lost.
Description
Technical field
This application involves drilling technology field more particularly to a kind of drilling fluid leakage measuring devices.
Background technology
The description of this part is only provided discloses relevant background information with the application, without forming the prior art.
Oil drilling industry mainly tests two methods of set method to detect whether drilling fluid leaks using instrument well logging method and machinery
It loses.Wherein machinery tests that the working time needed for set method is longer, and cost is higher, thus in actual work instrument well logging method using comparing frequency
It is numerous.Predominantly using flow-measuring method, measure drilling fluid in particular by ultrasonic flow detection technique is instrument well logging method
The no success rate missed is up to 88%.With the continuous development of Supersonic, detected increasingly in leakage
It is taken seriously.
Before Supersonic, measuring the leakage of drilling fluid needs to detect a variety of physical quantitys, such as drilling fluid in well
Temperature, pressure, flow etc..The leak-checking apparatus structure of this mode is more complicated, therefore its stability is affected to some extent.
Supersonic measures the leakage of drilling fluid only with the flow velocity of detection drilling fluid, and circuit and apparatus structure are all simpler
It is single, and measurement result accuracy is higher.
It should be noted that the introduction of technical background is intended merely to above it is convenient the technical solution of the application is carried out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Cannot merely because these schemes the application's
Background technology part is expounded and thinks that above-mentioned technical proposal is known to those skilled in the art.
Utility model content
Based on aforementioned prior art defect, this application provides a kind of drilling fluid leakage measuring devices, can be more
Accurately measure and find out the position that drilling fluid is missed.
To achieve these goals, this application provides following technical solutions.
A kind of drilling fluid leakage measuring device, including：
The ontology having a first end and a second end, the outer wall of the ontology are formed with the first mounting groove；
The first cover board being arranged in first mounting groove, the bottom wall of first cover board are provided with the first storage tank,
First annular seal space is formed between the bottom wall of first storage tank and first mounting groove, is equipped in the first annular seal space
First power supply and the first signal processing module, setting is there are two the first ultrasonic sensor on first cover board, described in two
The central shaft of first ultrasonic sensor is on same straight line, and the end of probe difference of two first ultrasonic sensors
The first end and the second end are directed toward, the sensitive end of two first ultrasonic sensors is opposite, described in one of them
First ultrasonic sensor is electrically connected with first power supply, another described first ultrasonic sensor and the described first letter
The connection of number processing module signal.
Preferably, first cover board is recessed inwardly to form two close to the side wall of the first end and the second end
One depressed area, the end of probe of two first ultrasonic sensors are extended respectively in two first depressed areas.
Preferably, the first power panel, first power supply and first power panel are equipped in the first annular seal space
It is electrically connected, first ultrasonic sensor is electrically connected with first power panel.
Preferably, it is fixed in the first annular seal space to be equipped with the first fixed plate, it is first signal processing module, described
First power supply and first power panel are fixed in first fixed plate.
Preferably, the first insulation board is equipped in the first annular seal space, first insulation board is fixed at described
First cover board corresponds on the bottom wall of first storage tank, and first fixed plate is fixed at first insulation board
On.
Preferably, the outer wall of the ontology is formed with the second mounting groove；
The drilling fluid leakage measuring device further includes：
The second cover board being arranged in second mounting groove, the bottom wall of second cover board are provided with the second storage tank,
The second annular seal space is formed between the bottom wall of second storage tank and second mounting groove, is equipped in second annular seal space
Second source and second signal processing module, on second cover board setting there are two with the second signal processing module signal
Second ultrasonic sensor of connection, the central shaft of two second ultrasonic sensors is on same straight line, and two
The end of probe of second ultrasonic sensor is respectively directed to the first end and the second end, two second ultrasonic waves
The sensitive end of sensor is opposite, one of them described second ultrasonic sensor is electrically connected with the second source, another
Second ultrasonic sensor is connect with the second signal processing module signal.
Preferably, second cover board is recessed inwardly to form two close to the side wall of the first end and the second end
Two depressed areas, the end of probe of two second ultrasonic sensors are extended respectively in two second depressed areas.
Preferably, second source plate, the second source and the second source plate are equipped in second annular seal space
It is electrically connected, second ultrasonic sensor is electrically connected with the second source plate.
Preferably, it is fixed in second annular seal space to be equipped with the second fixed plate, it is the second signal processing module, described
Second source and the second source plate are fixed in second fixed plate.
Preferably, the second insulation board is equipped in second annular seal space, second insulation board is fixed at described
Second cover board corresponds on the bottom wall of second storage tank, and second fixed plate is fixed at second insulation board
On.
The drilling fluid leakage measuring device of the application embodiment, by setting the first cover board in the first mounting groove, and
Two the first ultrasonic sensors are set on the first cover board, and the end of probe of two the first ultrasonic sensors is respectively directed to ontology
First end and second end, and the sensitive end of two the first ultrasonic sensors is opposite, the so as to be connected with the first power supply
The signal of one ultrasonic sensor transmitting can be transmission medium using drilling fluid by another and the first signal processing module signal
First ultrasonic sensor of connection is received, and so as to measure the time used in signal transmission, and then can calculate drilling well
Liquid stream crosses the flow velocity between two the first ultrasonic sensors, and is stored in the first letter by the flow velocity is corresponding with being presently in depth
In number processing module.After completing above-mentioned measurement operation, drilling fluid leakage measuring device is taken out to ground, reading is stored in first
Data in signal processing module, and draw out drilling well flow velocity and the relation curve of depth, you can according to drilling well flow velocity
Variation correctly finds drilling fluid leakage position.
Other application field will become apparent according to description provided herein.The description of the utility model content and tool
Body example is only intended to the purpose illustrated, it is not intended that limitation the scope of the utility model.
Description of the drawings
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, the understanding to the application is used to help, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings：
Fig. 1 is the structure diagram of the drilling fluid leakage measuring device of the application embodiment；
Fig. 2 is the structure diagram of the cover board of the first cover board/second in Fig. 1；
Fig. 3 is the structure diagram of Section A-A in Fig. 1.
Specific embodiment
It should be noted that when a parts are referred to as " being set to " another parts, it can be directly another
On a parts or there may also be parts placed in the middle.When a parts are considered as " connection " another parts,
It can be directly to another parts or may be simultaneously present parts placed in the middle.Term as used herein " is hung down
Directly ", " level ", "left", "right" and similar statement are for illustrative purposes based on Figure of description, are not offered as being only
One embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
The arbitrary and all combination of relevant Listed Items.
As shown in Figure 1 to Figure 3, the application embodiment provides a kind of drilling fluid leakage measuring device, can include：
Ontology 1 with first end 101 and second end 102, the outer wall of the ontology 1 are formed with the first mounting groove 103；It is arranged on described
The first cover board 2 in first mounting groove 103, the bottom wall of first cover board 2 are provided with the first storage tank, first storage tank
First annular seal space 201 is formed between the bottom wall of first mounting groove 103, first is equipped in the first annular seal space 201
3 and first signal processing module 4 of power supply, setting is there are two the first ultrasonic sensor 5 on first cover board 2, described in two
The central shaft of first ultrasonic sensor 5 is on same straight line, and the end of probe of two first ultrasonic sensors 5
501 are respectively directed to the first end 101 and the second end 102, the sensitive end 502 of two first ultrasonic sensors 5
Relatively, one of them described first ultrasonic sensor 5 is electrically connected with first power supply 3, another described first ultrasound
Wave sensor 5 is connect with 4 signal of the first signal processing module.
The drilling fluid leakage measuring device of the application embodiment, by setting the first cover board in the first mounting groove 103
2, and two the first ultrasonic sensors 5 are set on the first cover board 2, the end of probe 501 of two the first ultrasonic sensors 5 is divided
Not Zhi Xiang the first end 101 of ontology 1 and second end 102, and the sensitive end 502 of two the first ultrasonic sensors 5 is opposite, so as to
The signal of the first ultrasonic sensor 5 transmitting being connected with the first power supply 3 can be transmission medium using drilling fluid by another
The first ultrasonic sensor 5 being connect with 4 signal of the first signal processing module is received, so as to measure used in signal transmission
Time, and then drilling fluid can be calculated and flow through flow velocity between two the first ultrasonic sensors 5, and by the flow velocity with it is current
Residing depth correspondence is stored in the first signal processing module 4.After completing above-mentioned measurement operation, by drilling fluid leakage measuring device
It takes out to ground, reads the data being stored in the first signal processing module 4, and draw out the relationship of drilling well flow velocity and depth
Curve, you can drilling fluid leakage position is correctly found according to the variation of drilling well flow velocity.
In the present embodiment, ontology 1 substantially can be in the cylindrical shape of lengthwise extension, and channel 104, channel is arranged inside
104 set internal thread close to the inner wall of first end 101 (during practical application be upper end), to realize the connection with top tubing string.This
Body 1 sets external screw thread close to the outer wall of second end 102 (being lower end during practical application), to realize the connection with lower part tubing string.
In the present embodiment, the first cover board 2 can have metal material to be made, and part of it side wall swells upwards, and
First storage tank is set in the protuberance.First cover board 2 can be fixedly mounted in the first mounting groove 103 by trip bolt 6.Such as
Shown in Fig. 1 and Fig. 3, the quantity of trip bolt 6 is multiple, and multiple trip bolts 6 are circumferentially disposed along the first cover board 2, so as to
To apply uniform fastening force to the first cover board 2.
As shown in Fig. 2, hold in the first annular seal space 201 formed between the bottom wall of the first storage tank and the first mounting groove 103
Be equipped with for for emit the first ultrasonic sensor 5 of signal provide electric energy the first power supply 3 and for receive another the
First signal processing module 4 of the signal that one ultrasonic sensor 5 provides.Further, it can be housed in first annular seal space 201
There is the first power panel 7, the first power supply 3 can be realized by the first power panel 7 with the first ultrasonic sensor 5 and is electrically connected, i.e.,
First power supply 3 is electrically connected with the first power panel 7, and the first ultrasonic sensor 5 is electrically connected again with the first power panel 7.
As shown in figure 3, the fixation of the first signal processing module 4, the first power supply 3 and the first power panel 7 for convenience, the
It can also be fixed in one annular seal space 201 and be equipped with the first fixed plate 8, the first fixed plate 8 is specifically as follows metallic plate, in order to insulate
Ontology 1 is electrically connected with the first fixed plate 8, can set insulating layer between the first fixed plate 8 and ontology 1.Specifically, first
The first insulation board 9 can also be equipped in annular seal space 201, the first insulation board 9 is fixed at by multiple trip bolts 203
One cover board 2 corresponds on the bottom wall of the first storage tank, and first fixed plate 8 is fixed at the by multiple trip bolts 204
On one insulation board 9, the first signal processing module 4, the first power supply 3 and the first power panel 7 are then fixed at first again and consolidated
On fixed board 8.
As shown in figures 1 and 3, further, the first cover board 2 can be to close to the side wall of first end 101 and second end 102
Sunken inside forms two the first depressed areas 202, and the end of probe 501 of two the first ultrasonic sensors 5 can extend respectively to two
In a first depressed area 202.So as to by setting two the first depressed areas 202, it is possible to reduce the first cover board 2 the first surpasses two
The blocking of sonic sensor 5 ensures that two the first ultrasonic sensors 5 can be contacted with drilling fluid completely.
In one embodiment, the first power supply 3 for being housed in first annular seal space 201 in order to prevent, at the first signal
Any one component malfunction in module 4, the first ultrasonic sensor 5 and the first power panel 7 is managed, and leads to the application's
What the pause of drilling fluid leakage measuring device used happens, and can additionally set another and the first cover board again on ontology 1
2nd, the first power supply 3, the first signal processing module 4, the first ultrasonic sensor 5 and the identical construction of the first power panel 7, with each other
It is spare.
Specifically, as shown in figure 3, the outer wall of ontology 1 is formed with the second mounting groove 105；Drilling fluid leakage measuring device is also
It can include the second cover board 10 being arranged in the second mounting groove 105, the bottom wall of the second cover board 10 is provided with the second storage tank, the
The second annular seal space 1001 is formed between the bottom wall of two storage tanks and the second mounting groove 105, is equipped in the second annular seal space 1001
Two power supplys and second signal processing module (being not shown), there are two believe with second signal processing module for setting on the second cover board 10
Second ultrasonic sensor 12 of number connection, the central shaft of two the second ultrasonic sensors 12 is on same straight line, and two
The end of probe of a second ultrasonic sensor 12 is respectively directed to first end 101 and second end 102, two the second ultrasonic sensors
12 sensitive end is opposite.
Similarly, the second cover board 10 can have metal material to be made, and part of it side wall swells upwards, and in the protuberance
Second storage tank is set.Second cover board 10 can be fixedly mounted in the second mounting groove 105 by trip bolt 106.Such as Fig. 3 institutes
Show, the quantity of trip bolt 106 is multiple, and multiple trip bolts 106 are circumferentially disposed along the second cover board 10, so as to the
Two cover boards 10 apply uniform fastening force.
Further, second source plate 13 can be equipped in the second annular seal space 1001, second source can be with the second surpassing
Sonic sensor 12 by the first power panel 13 realizes and is electrically connected that is, second source is electrically connected with second source plate 13, the
Two ultrasonic sensors 12 are electrically connected again with second source plate 13.
In the present embodiment, the first power supply 3, the first signal processing module 4, the first ultrasonic sensor 5 and the first electricity
Source plate 7 may be constructed one group of drilling fluid leakage measuring unit, second source, second signal processing module, the second supersonic sensing
Device 12 and second source plate 13 may be constructed another group of drilling fluid leakage measuring unit.By the way that two groups of drilling fluid leakages is set to measure
It is feasible by property redundancy can to realize that drilling fluid leakage measures, ensures that the drilling fluid leakage of the application embodiment measures dress for unit
The reliability of operation under drilling well adverse circumstances is put, as long as there is one group of drilling fluid leakage measuring unit normal operation or successfully,
It can smoothly achieve the purpose that drilling fluid leakage measures.
In order to facilitate the fixation of second signal processing module, second source and second source plate 13, the second annular seal space
It can also be fixed in 1001 and be equipped with the second fixed plate 15, the second fixed plate 15 is specifically as follows metallic plate, for insulating body 1
With being electrically connected for the second fixed plate 15, can insulating layer be set between the second fixed plate 15 and ontology 1.Specifically, second is close
The second insulation board 14 can also be equipped in envelope chamber 1001, the second insulation board 14 is fixed at by multiple trip bolts 1003
Second cover board 10 corresponds on the bottom wall of the second storage tank, and the second fixed plate 15 is fixedly installed by multiple trip bolts 1004
On the second insulation board 14, second signal processing module, second source and second source plate 13 are then fixed at again
In two fixed plates 15.
As shown in figure 3, further, the second cover board 10 concaves close to the side wall of the first end 101 and second end 102
It falls into and forms two the second depressed areas 1002, the end of probe of two the second ultrasonic sensors 12 extends respectively to two second recess
In area 1002.So as to by setting two the second depressed areas 1002, it is possible to reduce the second cover board 10 passes two the second ultrasonic waves
The blocking of sensor 12 ensures that two the second ultrasonic sensors 12 can be contacted with drilling fluid completely.As shown in figure 3, second is recessed
It falls into 1002 and first depressed area 202 of area to be oppositely arranged, i.e. the second depressed area 1002 and the first depressed area 202 are located at the perpendicular of ontology 1
Straight axis both sides.
In the present embodiment, the second cover board 10, second source, second signal processing module, the second ultrasonic sensor
12nd, second source plate 13, the second fixed plate 15 and the second insulation board 14 can refer to described above, and therefore not to repeat here.
In this application, the first signal processing module 4, second signal processing module can be real in any appropriate manner
It is existing.Specifically, for example, the first signal processing module 4, second signal processing module can take such as microprocessor or processor
And the calculating of computer readable program code (such as software or firmware) that storage can be performed by the microprocessor or processor
Machine readable medium, logic gate, switch, application-specific integrated circuit (Application Specific Integrated Circuit,
ASIC), programmable logic controller (PLC) (Programmable Logic Controller, PLC) and embedded micro-control unit
The form of (Microcontroller Unit, MCU), the example of above-mentioned module include but not limited to following micro-control unit：ARC
625D, Atmel AT91SAM, Microchip PIC18F26K20 and Silicone Labs C8051F320.This field skill
Art personnel in a manner of pure computer readable program code it is to be understood that in addition to realizing first signal processing module 4, second
It, completely can be by the way that method and step be carried out programming in logic come control unit with logic other than the function of signal processing module
The forms such as door, switch, application-specific integrated circuit, programmable logic controller (PLC) and embedded micro-control unit realize identical function.
It should be noted that in the description of the present application, term " first ", " second " etc. are only used for description purpose and difference
Similar object, between the two and there is no sequencings, can not be interpreted as indicating or implying relative importance.In addition,
In the description of the present application, unless otherwise indicated, " multiple " are meant that two or more.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined with reference to foregoing description, but should with reference to preceding claims and this
The four corner of equivalent that a little claims are possessed determines.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part for theme.
Claims (10)
1. a kind of drilling fluid leakage measuring device, which is characterized in that including：
The ontology having a first end and a second end, the outer wall of the ontology are formed with the first mounting groove；
The first cover board being arranged in first mounting groove, the bottom wall of first cover board is provided with the first storage tank, described
First annular seal space is formed between the bottom wall of first storage tank and first mounting groove, first is equipped in the first annular seal space
Power supply and the first signal processing module, setting is there are two the first ultrasonic sensor on first cover board, two described first
The central shaft of ultrasonic sensor is on same straight line, and the end of probe of two first ultrasonic sensors is respectively directed to
The first end and the second end, the sensitive end of two first ultrasonic sensors is opposite, one of them described first
Ultrasonic sensor is electrically connected with first power supply, at another described first ultrasonic sensor and first signal
Manage module by signal connection.
2. drilling fluid leakage measuring device as described in claim 1, which is characterized in that first cover board is close to described first
The side wall of end and the second end is recessed inwardly to form two the first depressed areas, the detection of two first ultrasonic sensors
End is extended respectively in two first depressed areas.
3. drilling fluid leakage measuring device as described in claim 1, which is characterized in that is equipped in the first annular seal space
One power panel, first power supply are electrically connected with first power panel, first ultrasonic sensor and described first
Power panel is electrically connected.
4. drilling fluid leakage measuring device as claimed in claim 3, which is characterized in that fixed accommodating in the first annular seal space
There is the first fixed plate, first signal processing module, first power supply and first power panel are fixed at described
In first fixed plate.
5. drilling fluid leakage measuring device as claimed in claim 4, which is characterized in that is equipped in the first annular seal space
One insulation board, first insulation board are fixed at first cover board and correspond on the bottom wall of first storage tank, institute
The first fixed plate is stated to be fixed on first insulation board.
6. drilling fluid leakage measuring device as described in claim 1, which is characterized in that the outer wall of the ontology is formed with second
Mounting groove；
The drilling fluid leakage measuring device further includes：
The second cover board being arranged in second mounting groove, the bottom wall of second cover board is provided with the second storage tank, described
The second annular seal space is formed between the bottom wall of second storage tank and second mounting groove, second is equipped in second annular seal space
Power supply and second signal processing module, there are two connect with the second signal processing module signal for setting on second cover board
The second ultrasonic sensor, the central shaft of two second ultrasonic sensors is on same straight line, and described in two
The end of probe of second ultrasonic sensor is respectively directed to the first end and the second end, two second supersonic sensings
The sensitive end of device is opposite, one of them described second ultrasonic sensor and the second source are electrically connected, described in another
Second ultrasonic sensor is connect with the second signal processing module signal.
7. drilling fluid leakage measuring device as claimed in claim 6, which is characterized in that second cover board is close to described first
The side wall of end and the second end is recessed inwardly to form two the second depressed areas, the detection of two second ultrasonic sensors
End is extended respectively in two second depressed areas.
8. drilling fluid leakage measuring device as claimed in claim 6, which is characterized in that is equipped in second annular seal space
Two power panels, the second source are electrically connected with the second source plate, second ultrasonic sensor and described second
Power panel is electrically connected.
9. drilling fluid leakage measuring device as claimed in claim 8, which is characterized in that fixed accommodating in second annular seal space
There is the second fixed plate, the second signal processing module, the second source and the second source plate are fixed at described
In second fixed plate.
10. drilling fluid leakage measuring device as claimed in claim 9, which is characterized in that be equipped in second annular seal space
Second insulation board, second insulation board are fixed at second cover board and correspond on the bottom wall of second storage tank,
Second fixed plate is fixed on second insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470455.5U CN207568595U (en) | 2017-11-07 | 2017-11-07 | drilling fluid loss measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470455.5U CN207568595U (en) | 2017-11-07 | 2017-11-07 | drilling fluid loss measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568595U true CN207568595U (en) | 2018-07-03 |
Family
ID=62692921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721470455.5U Active CN207568595U (en) | 2017-11-07 | 2017-11-07 | drilling fluid loss measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568595U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704249A (en) * | 2022-03-31 | 2022-07-05 | 中国石油天然气股份有限公司 | Lost circulation detection device |
| CN114810045A (en) * | 2021-01-28 | 2022-07-29 | 中国石油天然气股份有限公司 | Oil pipe detecting rod |
| RU2822728C2 (en) * | 2022-03-31 | 2024-07-11 | Петрочайна Компани Лимитед | Device for detecting loss of circulation |
-
2017
- 2017-11-07 CN CN201721470455.5U patent/CN207568595U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810045A (en) * | 2021-01-28 | 2022-07-29 | 中国石油天然气股份有限公司 | Oil pipe detecting rod |
| CN114704249A (en) * | 2022-03-31 | 2022-07-05 | 中国石油天然气股份有限公司 | Lost circulation detection device |
| WO2023184941A1 (en) * | 2022-03-31 | 2023-10-05 | 中国石油天然气股份有限公司 | Lost circulation detection device |
| RU2822728C2 (en) * | 2022-03-31 | 2024-07-11 | Петрочайна Компани Лимитед | Device for detecting loss of circulation |
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