CN104358560A - Take downhole flow testing arrangement of protection machanism - Google Patents
Take downhole flow testing arrangement of protection machanism Download PDFInfo
- Publication number
- CN104358560A CN104358560A CN201410634872.3A CN201410634872A CN104358560A CN 104358560 A CN104358560 A CN 104358560A CN 201410634872 A CN201410634872 A CN 201410634872A CN 104358560 A CN104358560 A CN 104358560A
- Authority
- CN
- China
- Prior art keywords
- differential pressure
- way valve
- pressure pick
- assembly
- testing arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 32
- 238000010079 rubber tapping Methods 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 15
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000009467 reduction Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000945 filler Substances 0.000 description 3
- 230000001746 atrial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Measuring Volume Flow (AREA)
- Check Valves (AREA)
Abstract
The invention particularly provides a downhole flow testing device with a protection mechanism, which comprises a shell, wherein an axial channel is arranged in the shell, a pore plate is arranged in the axial channel, a front pressure taking port and a rear pressure taking port are respectively arranged on the shell on the left side and the shell on the right side of the pore plate, a left pressure guiding pipe and a right pressure guiding pipe are respectively welded on the front pressure taking port and the rear pressure taking port, the left pressure guiding pipe and the right pressure guiding pipe are respectively connected with a left base and a right base, a corrugated pipe assembly, a check valve assembly and a differential pressure sensor assembly are sequentially connected between the left base and the right base from top to bottom, and pressure guiding holes communicated with the corrugated pipe assembly, the check valve assembly and the differential pressure sensor assembly are respectively arranged on the. The invention has compact structure, convenient installation and strong anti-interference capability, and can realize accurate measurement of underground small flow for a long time in a high-temperature and high-pressure environment.
Description
Technical field
The present invention is specifically related to a kind of downhole flow testing arrangement with protection mechanism, is applicable to the testing arrangement of underground survey injection flow in oilfield intelligent water injection technology.
Background technology
At present, there is a lot of device measuring fluid flow in prior art, such as vortex-shedding meter, ultrasonic flowmeter, electromagnetic flowmeter and temperature flow gauge etc.Wherein, vortex-shedding meter passes through by measuring fluid or clash into the measurement that the vibration frequency produced realizes flow; Ultrasonic flow timing receives the impact of different fluid flow velocity according to ultrasonic transmission speed, measures the time difference of two probe existence and draws fluid flow; Electromagnetic flowmeter is that the induced electromotive force produced during cutting magnetic induction line in magnetic field by measurement conductor flow according to the law of electromagnetic induction draws fluid flow; Temperature flow gauge is that the change by measuring fluid temperature (F.T.) draws fluid flow.
The applicable elements that above-mentioned each flow meter existing and corresponding flow rate test method thereof have them different and the scope of application, some flow meters are not suitable for applying under hyperbaric environment, some flow meter volumes are excessive, can not install in down-hole, some flows are in respect of movable part, and can not in down-hole prolonged application, what have is low to little water testing precision, can not meet the meticulous measuring requirement that oil field meticulous water filling individual layer injection allocation amount is little.
Therefore, be necessary to provide a kind of can the flowermeter of injection flow under measuring well, overcome above-mentioned defect.
Summary of the invention
The object of the invention is to overcome flow meter narrow application range in prior art, the problem of the little meticulous measuring requirement of oil field meticulous water filling individual layer injection allocation amount can not be met.
For this reason, the invention provides a kind of downhole flow testing arrangement with protection mechanism, comprise housing, axial passage is provided with in described housing, and be provided with orifice plate in its axial passage, housing about described orifice plate is respectively equipped with front pressure tappings and rear pressure tappings, described front pressure tappings and rear pressure tappings are welded with two connecting pipes in left and right respectively, two, described left and right connecting pipe connects left pedestal and Right socle respectively, bellows component is connected with in turn from top to bottom between described left pedestal and Right socle, check valve assembly and differential pressure pick-up assembly, described left pedestal and Right socle are provided with diaphragm for passageway assembly, the pressure guide hole of check valve assembly and differential pressure pick-up assembly.
The distance of above-mentioned front pressure tappings and orifice plate is not less than the orifice plate diameter of 10 times, and rear pressure tappings and orifice plate distance are not less than the orifice plate diameter of 5 times.
The axial passage of above-mentioned orifice plate and housing is perpendicular.
Above-mentioned bellows component by corrugated header, bellows pillar, and the bellows be arranged between corrugated header and bellows pillar forms.
Above-mentioned check valve assembly comprises the identical one way valve of two structures, and two contrary being arranged between left pedestal and Right socle in one way valve direction.
Above-mentioned one way valve comprises one way valve joint, the one-way valve spring mount pad be connected with one way valve joint, the one-way valve spring be arranged on one-way valve spring mount pad, the nonreturn valve core be connected with one-way valve spring, the one way valve core print seat fixing nonreturn valve core and the one-way valve seat be connected with one way valve core print seat.
Above-mentioned differential pressure pick-up assembly by the left seat of differential pressure pick-up, the right seat of differential pressure pick-up, and be arranged between the left seat of differential pressure pick-up and the right seat of differential pressure pick-up differential pressure pick-up composition.
Above-mentioned differential pressure pick-up two ends and be provided with pad between the left seat of differential pressure pick-up and the right seat of differential pressure pick-up.
Be fixedly connected with by stay pipe between above-mentioned left pedestal and Right socle.
Above-mentioned left pedestal and Right socle are provided with the installing hole one for installing bellows component, for installing installing hole two and the installing hole three of positive and negative two one way valves in check valve assembly, and for installing the installing hole four of differential pressure pick-up.
Beneficial effect of the present invention:
(1) the downhole flow testing arrangement compact conformation of this band protection mechanism provided by the invention, easy for installation, and size is installed vertically, takies radial dimension little, can be convenient to be integrated in the digital injection well downhole flow regulator in down-hole.
(2) the downhole flow testing arrangement of this band protection mechanism is anti-interference and voltage endurance capability is strong; it can realize the measurement of downhole flow under hyperbaric environment; and adjustable orifice board diameter and differential pressure pick-up parameter regulate testing range, can meet the testing requirement of downhole fluid flow.
(3) in the present invention, the sensitivity of differential pressure pick-up is very high, can the comparatively small pressure difference that causes to low discharge of precise monitoring, therefore accurately can measure the flow of fluid, particularly cannot accurately measure on low discharge at other flow meter by measuring principle restriction, there is greater advantage.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the structure chart of the downhole flow testing arrangement of band protection mechanism of the present invention.
Fig. 2 is the sectional drawing of the downhole flow testing arrangement of band protection mechanism of the present invention.
Fig. 3 is differential pressure pick-up and the protection assembly assumption diagram thereof of the downhole flow testing arrangement of band protection mechanism of the present invention.
Fig. 4 is the bellows sectional drawing along D-D direction in Fig. 3.
Fig. 5 is the one way valve sectional drawing along C-C direction in Fig. 3.
Fig. 6 is the one way valve sectional drawing along B-B direction in Fig. 3.
Fig. 7 is the differential pressure pick-up assembly sectional drawing along B-B direction in Fig. 3.
Fig. 8 is the left pedestal sectional drawing along E-E direction in Fig. 3.
Description of reference numerals: 1, housing; 2, connecting pipe; 3, bellows component; 4, check valve assembly; 5, differential pressure pick-up assembly; 6, stay pipe; 7, left pedestal; 8, Right socle; 9, orifice plate; 10, left connector; 11, right connector; 12, corrugated header; 13, bellows; 14, bellows pillar; 15, one way valve joint; 16, one-way valve spring mount pad; 17, one-way valve spring; 18, nonreturn valve core; 19, one way valve core print seat; 20, one-way valve seat; 21, the left seat of differential pressure pick-up; 22, differential pressure pick-up; 23, the right seat of differential pressure pick-up; 24, pad; 25, installing hole one; 26, installing hole two; 27, installing hole three; 28, installing hole four; 29, pressure guide hole; 30, oil filler point; 201, front pressure tappings; 202, rear pressure tappings.
Detailed description of the invention
Embodiment 1:
Overcome flow meter narrow application range in prior art, the problem of the little meticulous measuring requirement of oil field meticulous water filling individual layer injection allocation amount can not be met, present embodiments provide a kind of as Fig. 1, a kind of downhole flow testing arrangement with protection mechanism shown in Fig. 2 and Fig. 3, comprise housing 1, axial passage is provided with in described housing 1, and be provided with orifice plate 9 in its axial passage, the housing 1 of described orifice plate about 9 is respectively equipped with front pressure tappings 201 and rear pressure tappings 202, described front pressure tappings 201 and rear pressure tappings 202 are welded with two connecting pipes 2 in left and right respectively, two, described left and right connecting pipe 2 connects left pedestal 7 and Right socle 8 respectively, bellows component 3 is connected with from top to bottom in turn between described left pedestal 7 and Right socle 8, check valve assembly 4 and differential pressure pick-up assembly 5, described left pedestal 7 and Right socle 8 are provided with diaphragm for passageway assembly 3, the pressure guide hole 29 of check valve assembly 4 and differential pressure pick-up assembly 5.
The course of work of the downhole flow testing arrangement of this band protection mechanism is as follows: fluid enters the axial passage of this downhole flow testing arrangement from the left end of housing 1; fluid is after orifice plate 9; before and after orifice plate 9, chock pressure difference is formed because of the throttle effect of orifice plate 9; pressure at both sides is delivered to the two ends of differential pressure pick-up assembly 5 by connecting pipe 2; now differential pressure pick-up assembly 5 detects the pressure difference before and after orifice plate 9; by the signal that external processing apparatus process differential pressure pick-up assembly 5 detects, thus accurately can measure the flow of fluid.
In addition; before and after orifice plate 9, pressure reduction is excessive or have larger pressure pulse can cause the damage of differential pressure pick-up assembly 5; because differential pressure pick-up assembly 5 and bellows component 3, check valve assembly 4 are identical by pressure guide hole 29; therefore; can effectively compensator or trimmer pressure pulse by bellows component 3; can balanced differences pressure sensor assembly 5 pressure at both sides by check valve assembly 4, thus protection differential pressure pick-up assembly 5.
Embodiment 2:
On the basis of embodiment 1, described housing 1, in cylindrical, offers orifice plate 9 in the middle part of its inner axial passage, and described orifice plate 9 is perpendicular with the axial passage of housing 1, and fluid forms throttle by orifice plate 9; Housing 1 is offered two pressure tappings, respectively in the front and back of orifice plate 9, for front pressure tappings 201 and rear pressure tappings 202, two connecting pipes 2 respectively with front pressure tappings 201 and rear pressure tappings 202 by being welded to connect; Described front pressure tappings 201 and the distance of orifice plate 9 are not less than orifice plate 9 diameter of 10 times, and rear pressure tappings 202 and orifice plate 9 distance are not less than orifice plate 9 diameter of 5 times; Described two connecting pipe 2 ends are respectively arranged with left connector 10 and right connector 11, left pedestal 7 and being connected by left connector 10 and right connector 11 between Right socle 8 with connecting pipe 2.
As shown in Figure 4, described bellows component 3 by corrugated header 12, bellows pillar 14, and the bellows 13 be arranged between corrugated header 12 and bellows pillar 14 forms; Bellows component 3 is connected with Right socle 8 with left pedestal 7 with bellows pillar 14 respectively by corrugated header 12, between sealed by O RunddichtringO; Bellows 13 is arranged on corrugated header 12, and bellows pillar 14 is threaded with corrugated header 12, is sealed by O RunddichtringO; Corrugated header 12 and bellows pillar 14 center have passage capable of being that the pressure of left and right two connecting pipes 2 is passed to bellows 13.
As shown in Figure 5, Figure 6, described check valve assembly 4 comprises the identical one way valve of two structures, and two contrary being arranged between left pedestal 7 and Right socle 8 in one way valve direction, and described one way valve comprises one way valve joint 15, the one-way valve spring mount pad 16 be connected with one way valve joint 15, the one-way valve spring 17 be arranged on one-way valve spring mount pad 16, the nonreturn valve core 18 be connected with one-way valve spring 17, the one way valve core print seat 19 fixing nonreturn valve core 18 and the one-way valve seat 20 be connected with one way valve core print seat 19; One way valve is connected with Right socle 8 with left pedestal 7 with one-way valve seat 20 respectively by one way valve joint 15, between sealed by O RunddichtringO; One way valve core print seat 19 and one way valve joint 15, one-way valve seat 20 are threaded connection, between sealed by O RunddichtringO; As shown in Figure 5, nonreturn valve core 18 has the one-way valve spring 17 on the left of one-way valve seat 20 to support, and the value being greater than right atrial pressure when left pressure reaches spring threshold value, and nonreturn valve core 18 is opened automatically, balance both sides pressure reduction, protection differential pressure pick-up 22; And as shown in Figure 6, nonreturn valve core 18 has the one-way valve spring 17 on the right side of one-way valve seat 20 to support, the value being greater than left pressure when right atrial pressure reaches one-way valve spring 17 threshold value, and nonreturn valve core 18 is opened automatically, balance both sides pressure reduction, protection differential pressure pick-up 22.
As shown in Figure 7, described differential pressure pick-up assembly 5 by the left seat 21 of differential pressure pick-up, the right seat 23 of differential pressure pick-up, and the differential pressure pick-up 22 be arranged between the left seat of differential pressure pick-up 21 and the right seat 23 of differential pressure pick-up forms; Differential pressure pick-up assembly 5 is connected with Right socle 8 with left pedestal 7 with the right seat of differential pressure pick-up 23 respectively by the left seat of differential pressure pick-up 21, is sealed each other by O RunddichtringO; Differential pressure pick-up 22 is arranged in the cavity that the left seat of differential pressure pick-up 21 and the left seat 34 of differential pressure pick-up formed, and is sealed by O RunddichtringO, differential pressure pick-up 22 two ends and be provided with pad 24 between the left seat of differential pressure pick-up 21 and the right seat 23 of differential pressure pick-up; The left seat 21 of differential pressure pick-up has passage with differential pressure pick-up You Zuo 23 center, makes differential pressure pick-up 22 can detect the pressure reduction of orifice plate 9 both sides.
As shown in Figure 8, be fixedly connected with by stay pipe 6 between described left pedestal 7 and Right socle 8;
Described left pedestal 7 and Right socle 8 are provided with the installing hole 1 for installing bellows component 3, for installing installing hole 2 26 and the installing hole 3 27 of positive and negative two one way valves in check valve assembly 4, and for installing the installing hole 4 28 of differential pressure pick-up 5; Installing hole 1, installing hole 2 26, installing hole 3 27 are communicated with installing hole 4 28 with the pressure guide hole 29 that Right socle 8 is arranged by described left pedestal 7; Pressure guide hole 29 makes differential pressure pick-up assembly 5 can detect pressure reduction before and after orifice plate 9, and bellows component 3, one way valve 4 and differential pressure pick-up assembly 5 two side are connected by pressure guide hole 29; And described left pedestal 7 and Right socle 8 are also provided with oil filler point 30, oil filler point 30 is used for filling grease, compensator or trimmer pressure transmission in pressure guide hole 29, connecting pipe 2, protection differential pressure pick-up 22.
In sum, the downhole flow testing arrangement compact conformation of band protection mechanism of the present invention, easy for installation, size is installed vertically, takies radial dimension little, can be convenient to be integrated in the digital injection well downhole flow regulator in down-hole; This flow testing device is anti-interference and voltage endurance capability strong, and it can realize the measurement of downhole flow under hyperbaric environment, and the parameter of the aperture of adjustable pore plate 9 and differential pressure pick-up 22 regulates testing range, can meet the testing requirement of downhole fluid flow; In addition; the sensitivity of differential pressure pick-up 22 is very high; can the comparatively small pressure difference that causes to low discharge of precise monitoring; therefore the present invention accurately can measure the flow of fluid; particularly cannot accurately measure on low discharge at other flow meter by measuring principle restriction; there is greater advantage, and can be played a very good protection to differential pressure pick-up 22 by bellows component 3, check valve assembly 4, adapt to down-hole and measure requirement for a long time.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (10)
1. the downhole flow testing arrangement with protection mechanism, comprise housing (1), it is characterized in that: described housing is provided with axial passage in (1), and in its axial passage, be provided with orifice plate (9), the housing (1) of described orifice plate (9) left and right is respectively equipped with front pressure tappings (201) and rear pressure tappings (202), described front pressure tappings (201) and rear pressure tappings (202) are welded with two connecting pipes (2) in left and right respectively, two, described left and right connecting pipe (2) connects left pedestal (7) and Right socle (8) respectively, bellows component (3) is connected with from top to bottom in turn between described left pedestal (7) and Right socle (8), check valve assembly (4) and differential pressure pick-up assembly (5), described left pedestal (7) and Right socle (8) are provided with diaphragm for passageway assembly (3), the pressure guide hole (29) of check valve assembly (4) and differential pressure pick-up assembly (5).
2. the downhole flow testing arrangement of band protection mechanism as claimed in claim 1; it is characterized in that: described front pressure tappings (201) is not less than orifice plate (9) diameter of 10 times with the distance of orifice plate (9), rear pressure tappings (202) is not less than orifice plate (9) diameter of 5 times with the distance of orifice plate (9).
3. the downhole flow testing arrangement of band protection mechanism as claimed in claim 1, is characterized in that: described orifice plate (9) is perpendicular with the axial passage of housing (1).
4. the downhole flow testing arrangement of band protection mechanism as claimed in claim 1; it is characterized in that: described bellows component (3) is by corrugated header (12); bellows pillar (14), and the bellows (13) be arranged between corrugated header (12) and bellows pillar (14) forms.
5. the downhole flow testing arrangement of band protection mechanism as claimed in claim 1; it is characterized in that: described check valve assembly (4) comprises the identical one way valve of two structures, and two contrary being arranged between left pedestal (7) and Right socle (8) in one way valve direction.
6. the downhole flow testing arrangement of band protection mechanism as claimed in claim 5, is characterized in that: described one way valve comprises one way valve joint (15), the one-way valve spring mount pad (16) be connected with one way valve joint (15), the one-way valve spring (17) be arranged on one-way valve spring mount pad (16), the nonreturn valve core (18) be connected with one-way valve spring (17), the one way valve core print seat (19) fixing nonreturn valve core (18) and the one-way valve seat (20) be connected with one way valve core print seat (19).
7. the downhole flow testing arrangement of band protection mechanism as claimed in claim 1; it is characterized in that: described differential pressure pick-up assembly (5) is by the left seat of differential pressure pick-up (21); the right seat of differential pressure pick-up (23), and be arranged on differential pressure pick-up (22) composition between the left seat of differential pressure pick-up (21) and the right seat of differential pressure pick-up (23).
8. the downhole flow testing arrangement of band protection mechanism as claimed in claim 7, is characterized in that: described differential pressure pick-up (22) two ends and be provided with pad (24) between the left seat of differential pressure pick-up (21) and the right seat of differential pressure pick-up (23).
9. the downhole flow testing arrangement of band protection mechanism as claimed in claim 1, be is characterized in that: be fixedly connected with by stay pipe (6) between described left pedestal (7) and Right socle (8).
10. the downhole flow testing arrangement of the band protection mechanism as described in claim 1 or 5; it is characterized in that: described left pedestal (7) and Right socle (8) are provided with the installing hole one (25) for installing bellows component (3), for installing installing hole two (26) and the installing hole three (27) of positive and negative two one way valves in check valve assembly (4), and for installing the installing hole four (28) of differential pressure pick-up (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634872.3A CN104358560B (en) | 2014-11-12 | 2014-11-12 | Take downhole flow testing arrangement of protection machanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634872.3A CN104358560B (en) | 2014-11-12 | 2014-11-12 | Take downhole flow testing arrangement of protection machanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358560A true CN104358560A (en) | 2015-02-18 |
| CN104358560B CN104358560B (en) | 2017-12-05 |
Family
ID=52525857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410634872.3A Active CN104358560B (en) | 2014-11-12 | 2014-11-12 | Take downhole flow testing arrangement of protection machanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358560B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640044A (en) * | 2016-11-14 | 2017-05-10 | 成都欧米伽电子技术有限公司 | Pulse generator fixing and protecting device |
| CN109267990A (en) * | 2017-07-17 | 2019-01-25 | 中国石油化工股份有限公司 | A kind of downhole flow metering device |
| CN109282864A (en) * | 2018-08-19 | 2019-01-29 | 中国海洋石油总公司 | A kind of underground V cone gas flow testing device |
| CN114278278A (en) * | 2022-01-13 | 2022-04-05 | 魏燕青 | Protection device for oil field flowmeter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2625852Y (en) * | 2003-07-18 | 2004-07-14 | 项家从 | Single-parameter or multi-parameter metering integral wedge-shaped flowmeter |
| CN101038188A (en) * | 2007-01-31 | 2007-09-19 | 长春锅炉仪表程控设备股份有限公司 | Combined device for measuring wet steam flow and dryness and measuring method thereof |
| JP2009063399A (en) * | 2007-09-06 | 2009-03-26 | Fiberlabs Inc | Optical fiber flow sensor and flow detection system using the same |
| CN101358523B (en) * | 2008-09-19 | 2011-12-28 | 大庆油田有限责任公司 | Differential pressure type flow densimeter underground |
| CN101451865A (en) * | 2008-12-29 | 2009-06-10 | 杭州浙大人工环境工程技术有限公司 | High precision replaceable differential type flowmeter |
| CN103245383A (en) * | 2013-05-21 | 2013-08-14 | 项家从 | Method and device for eliminating signal transmission errors of pressure guide pipe of differential pressure flowmeter |
| CN103512703A (en) * | 2013-09-18 | 2014-01-15 | 西安思坦仪器股份有限公司 | Differential pressure densimeter pressure protection device |
| CN204312051U (en) * | 2014-11-12 | 2015-05-06 | 中国石油天然气股份有限公司 | Take downhole flow testing arrangement of protection machanism |
-
2014
- 2014-11-12 CN CN201410634872.3A patent/CN104358560B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640044A (en) * | 2016-11-14 | 2017-05-10 | 成都欧米伽电子技术有限公司 | Pulse generator fixing and protecting device |
| CN109267990A (en) * | 2017-07-17 | 2019-01-25 | 中国石油化工股份有限公司 | A kind of downhole flow metering device |
| CN109282864A (en) * | 2018-08-19 | 2019-01-29 | 中国海洋石油总公司 | A kind of underground V cone gas flow testing device |
| CN109282864B (en) * | 2018-08-19 | 2020-03-20 | 中国海洋石油总公司 | Downhole V-cone gas flow testing device |
| CN114278278A (en) * | 2022-01-13 | 2022-04-05 | 魏燕青 | Protection device for oil field flowmeter |
| CN114278278B (en) * | 2022-01-13 | 2023-10-24 | 上海中核维思仪器仪表股份有限公司 | Protection device for oil field flowmeter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358560B (en) | 2017-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9840904B2 (en) | Monitoring hydrocarbon fluid flow | |
| CN104358560A (en) | Take downhole flow testing arrangement of protection machanism | |
| CN201364194Y (en) | Liquid flow test device | |
| CN204312051U (en) | Take downhole flow testing arrangement of protection machanism | |
| CN104596596A (en) | Volumetric micro-liquid flow meter and using method thereof | |
| CN203364888U (en) | Differential pressure type flow sensor and flowmeter | |
| CN203551033U (en) | Blowing type level gauge | |
| CN205246151U (en) | Automatic heavy -calibre supersound water gauge of rectifying | |
| CN201697644U (en) | Integrated differential pressure flowmeter | |
| CN101349581B (en) | Insert type flow measuring device based on MEMS sensor | |
| CN201262559Y (en) | Plug-in flow measuring device based on MEMS sensor | |
| CN101344105A (en) | Hydraulic system power measurement apparatus of V prick flow transducer based on MEMS | |
| CN203688180U (en) | Automatic blowby and leakage measuring apparatus for valve | |
| CN204439142U (en) | Low flow velocity, high precision pitot tube differential pressure flow sensor pressure head | |
| CN102589641B (en) | Method for eliminating influences of flowing water during measurement of water level of turbulence channel and special water stabilizing device | |
| CN103557893A (en) | Inserted electromagnetic flowmeter and mounting method | |
| CN205103032U (en) | Flow nipple and have pressure measurement structure of engine of this flow nipple | |
| CN206905985U (en) | Air-tightness detection device | |
| CN101871803A (en) | Integrated differential-pressure-type flow meter and application method thereof | |
| CN105157786A (en) | Differential pressure level meter with fluid isolation device | |
| CN103900649B (en) | Electromagnetic flow transducer for downhole water flow regulator | |
| CN105737912A (en) | Pitot type diffusion flow monitor | |
| CN107387067A (en) | Fine and close oil and gas reservoir pressure test process matching device and application method | |
| CN203488542U (en) | Connecting structure of valve core and displacement detection device of hydraulic valve | |
| CN203231774U (en) | Uniflow flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |