CN101021149B - Well logging magnetic suspension turbine flowmeter - Google Patents
Well logging magnetic suspension turbine flowmeter Download PDFInfo
- Publication number
- CN101021149B CN101021149B CN2007100802341A CN200710080234A CN101021149B CN 101021149 B CN101021149 B CN 101021149B CN 2007100802341 A CN2007100802341 A CN 2007100802341A CN 200710080234 A CN200710080234 A CN 200710080234A CN 101021149 B CN101021149 B CN 101021149B
- Authority
- CN
- China
- Prior art keywords
- turbine
- magnetic stripe
- fixed
- urceolus
- well logging
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to a well logging magnetic suspension turbine flowmeter, which mainly overcomes the problem in the background. The invention is characterized in that regulating screws (10) with internal connection regulating bolts are respectively fixed at the upper end and the lower end of an outer barrel (1) through supporting ribs, a supporting arm (12) with a lower end connected with a speed sensor (13) is fixed out of the regulating screws (10), an upper bearing seat (2) and a lower end shaft seat (3) are fixed at the upper end and the lower end of the outer barrel (1) through the supporting ribs, a turbine (4) is arranged between the upper bearing seat (2) and the lower end shaft seat (3), four inducting magnetic strips (9) with upper ends corresponding to the speed sensor (13) are fixed out of the upper and lower end shaft seats of the turbine (4), a rotary magnetic strip (5) and a magnetic strip (6) with relative ends of homopolarity are respectively fixed out of the lower end bearing seat (8) and the lower end shaft seat of the turbine (4), and a slippage speed-reducing net fixed at the lower end of the outer barrel (1). The well logging magnetic suspension turbine flowmeter has characteristic of low start-up flux and high sensitivity.
Description
Technical field:
The present invention relates to oilfield test used flow meter, especially well logging magnetic suspension turbine flowmeter.
Background technology:
The purpose of field produces well logging is to be provided in the produced fluid process about the characteristic of borehole fluid and the particulars of state to people, use these data can grasp oil well production dynamically, carry out evaluation of producing and analyze oil well down-hole technology status, for the reasonable development oil reservoir provides the technology decision-making foundation.In the producing well, the different parts of different intervals or same thick-layer, possible output fluid of different nature.Accurately judging the character of fluid under any degree of depth in shaft bottom, for estimating the payzone characteristic, find the solution each phase flow rate, all is very important.Production logging at present mainly the density by the measuring well inner fluid or specific retention with the identification fluid.Flow is an important parameter that characterizes the oil gas well and estimate the payzone industry characteristics.The flow measurement of production logging is to liking the fluid that flows in the well.Flow through the fluid volume of a certain cross section of fluid channel in unit interval, depend on the speed that fluid flows.Flow rate log is actually the information relevant with fluid velocity that measures, and obtains mean flow rate then, multiplies each other with sectional area and obtains volume flow.In the flow rate log, most widely used is the turbine flowmeter well logging.The existing turbine flowmeter that oil reservoir logging is used is big owing to reasons in structure exists bearing friction losses, and flow meter startup flow is big, and sensitivity is lower, and application life is short.And can't carry out stratified flow rate test to low liquid producing well.In addition, because the flow coefficient difference of mixing material, oil, gas phase are also different for the speed of water, cause slippage, are another reasons that causes the measuring accuracy of turbine flowmeter to reduce.
Summary of the invention:
Big in order to solve the high flow, muting sensitivity, bearing friction losses of starting of existing flow meter, the problem that application life is short, the invention provides a kind of well logging magnetic suspension turbine flowmeter, it is little that this well logging magnetic suspension turbine flowmeter has a low flow, high sensitivity, bearing friction losses of starting, the characteristics of long service life realize the test purpose to low liquid producing well zonal flow rate.
Technical scheme of the present invention is: this well logging magnetic suspension turbine flowmeter comprises urceolus, the urceolus upper and lower side is fixed with the adjustment nut respectively by a muscle, adjust to connect in the nut and adjust screw, the adjustment nut external fixation of upper end has support arm, the support arm lower end is connected with velocity sensor, the urceolus upper end is fixed with top chock by a muscle, the urceolus lower end is adjusted in the nut and is fixed with the lower end axle bed by a muscle, be equipped with turbine between top chock and lower end axle bed in the urceolus, turbine upper and lower side axle bed external fixation has 4 upper ends and the corresponding induction magnetic stripe of velocity sensor, turbine bottom end bearing seat vertically is fixed with 3-10 rotation magnetic stripe outward, lower end axle bed external fixation has and the corresponding magnetic stripe of rotation magnetic stripe, rotation magnetic stripe and magnetic stripe corresponding end are homopolarity, and the urceolus lower end is fixed with slippage deceleration net.
Rotation magnetic stripe in the such scheme is 4; Rotation magnetic stripe and magnetic stripe can substitute with magnet ring.
The present invention has following beneficial effect: this well logging magnetic suspension turbine flowmeter is owing to take such scheme, be fixed with magnetic stripe by being fixed with because of the turbine lower end on rotation magnetic stripe and the lower end axle bed corresponding with it, and rotation magnetic stripe and magnetic stripe corresponding end are homopolarity, principle according to the magnet homopolar-repulsion, so just make turbine be suspended between interior top chock of urceolus and lower end axle bed, thereby reduced bearing friction losses, because of turbine is to be suspended in the urceolus between top chock and lower end axle bed, frictional resistance reduces, so it is also just little that this flow meter starts required flow, sensitivity has also just improved, and also just prolonged application life.And because turbine is to be suspended between interior top chock of urceolus and lower end axle bed, frictional resistance reduces, thereby has realized the test purpose to low liquid producing well zonal flow rate.In addition, because of being fixed with slippage deceleration net in the urceolus inlet, G﹠O is subjected to the mesh resistance and has reduced flowing velocity.Solved water, gas, the oil phase slippage problem between mutually, the measuring accuracy of this flow meter is further improved, and structure has been also simple.Help applying.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present invention.
1-urceolus among the figure, the 2-top chock, 3-lower end axle bed, the 4-turbine, 5-rotates magnetic stripe, the 6-magnetic stripe, 7-slippage deceleration net, the 8-bearing support, 9-responds to magnetic stripe, and 10-adjusts nut, and 11-adjusts screw, 12-support arm, 13-velocity sensor, 14-upper and lower side axle bed.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
By shown in Figure 1, this well logging magnetic suspension turbine flowmeter comprises urceolus 1, urceolus 1 upper and lower side is fixed with respectively by a muscle and adjusts nut 10, adjust to connect in the nut 10 and adjust screw 11, adjustment nut 10 external fixation of upper end have support arm 12, support arm 12 lower ends are connected with velocity sensor 13, by support arm 12 velocity sensor 13 are suspended on outside the turbine 4 upper and lower side axle beds 14 induction magnetic stripes 9; Urceolus 1 upper end is fixed with top chock 2 by a muscle, urceolus 1 lower end is adjusted in the nut 10 and is fixed with lower end axle bed 3 by a muscle, top chock 2 and 3 of lower end axle beds are equipped with turbine 4 in the urceolus 1, turbine 4 upper and lower side axle beds 14 external fixation have 4 upper ends and velocity sensor 13 corresponding induction magnetic stripes 9, turbine 4 bottom end bearing seats 8 outer 4 rotation magnetic stripes 5 or the magnet rings of vertically being fixed with, axle bed 3 external fixation in lower end have and rotation magnetic stripe 5 corresponding magnetic stripes 6, rotation magnetic stripe 5 is a homopolarity with magnetic stripe 6 corresponding end, by top chock 2 and lower end axle bed 3 turbine 4 is positioned at urceolus 1 longitudinal axis in the heart, by 4 rotation magnetic stripes 5 and magnetic stripe 6 turbine 4 is suspended in urceolus 1 center again, reduce the friction of turbine 4 and other parts, so just prolonged the application life of this well logging magnetic suspension turbine flowmeter, improve sensitivity, realized test purpose low liquid producing well zonal flow rate; Reduced the flowing velocity of G﹠O by slippage deceleration net 7, solved water, gas, the oil phase slippage problem between mutually, the measuring accuracy of this flow meter is further improved.
During actual the use, well liquid is entering in the urceolus 1 by urceolus 1 lower end at first, the mobile drive turbine 4 rotation backs of liquid well are from the outflow of upper end, turbine 4 drives 9 rotations of induction magnetic stripe, because the rotation of induction magnetic stripe 9, the velocity sensor 13 that support arm 12 lower ends connect produces magnetic signal, and magnetic signal is transferred to ground instrument by lead, obtains flow parameter by ground instrument.Because of turbine 4 lower ends are fixed with 4 rotation magnetic stripes 5 or magnet ring, and also be fixed with 4 magnetic stripes 6 or magnet ring on the lower end axle bed 3 corresponding with it, and rotation magnetic stripe 5 is a homopolarity with magnetic stripe 6 corresponding end, principle according to the magnet homopolar-repulsion, so just make turbine 4 be suspended in the urceolus 13 of top chocks 2 and lower end axle bed, thereby friction and the turbine 4 axle head heads and the friction of adjusting screw 11 of upper and lower end face and other parts have been reduced, be to be suspended in the urceolus 13 of top chocks 2 and lower end axle bed simultaneously because of turbine 4, frictional resistance also reduces, so it is also just little that this flow meter starts required flow, sensitivity has also just improved, and also just prolonged application life.And because turbine 4 is to be suspended in the urceolus 13 of top chocks 2 and lower end axle bed, frictional resistance reduces, and has realized the test purpose to low liquid producing well zonal flow rate.In addition, because of being fixed with slippage deceleration net 7 in urceolus 1 inlet, G﹠O is subjected to the mesh resistance and has reduced flowing velocity.Solved water, gas, the oil phase slippage problem between mutually, the measuring accuracy of this flow meter is further improved, and structure has been also simple.
In sum, it is little to be not difficult to find out that this well logging magnetic suspension turbine flowmeter has a low flow, high sensitivity, bearing friction losses of starting, and the characteristics of long service life realize the test purpose to low liquid producing well zonal flow rate.
Claims (3)
1. well logging magnetic suspension turbine flowmeter, comprise urceolus (1), it is characterized in that: urceolus (1) upper and lower side is fixed with respectively by a muscle and adjusts nut (10), adjust to connect in the nut (10) and adjust screw (11), adjustment nut (10) external fixation of upper end has support arm (12), support arm (12) lower end is connected with velocity sensor (13), urceolus (1) upper end is fixed with top chock (2) by a muscle, urceolus (1) lower end is adjusted in the nut (10) and is fixed with lower end axle bed (3) by a muscle, be equipped with turbine (4) between interior top chock of urceolus (1) (2) and lower end axle bed (3), turbine (4) upper and lower side axle bed (14) external fixation has 4 upper ends and the corresponding induction magnetic stripe of velocity sensor (13) (9), vertically be fixed with 3-10 rotation magnetic stripe (5) outside turbine (4) the bottom end bearing seat (8), lower end axle bed (3) external fixation has and the rotation corresponding magnetic stripe of magnetic stripe (5) (6), rotation magnetic stripe (5) is a homopolarity with magnetic stripe (6) corresponding end, and urceolus (1) lower end is fixed with slippage deceleration net (7).
2. well logging magnetic suspension turbine flowmeter according to claim 1 is characterized in that: rotation magnetic stripe (5) is 4.
3. well logging magnetic suspension turbine flowmeter according to claim 1 is characterized in that: rotation magnetic stripe (5) substitutes with the available magnet ring of magnetic stripe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100802341A CN101021149B (en) | 2007-02-14 | 2007-02-14 | Well logging magnetic suspension turbine flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100802341A CN101021149B (en) | 2007-02-14 | 2007-02-14 | Well logging magnetic suspension turbine flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101021149A CN101021149A (en) | 2007-08-22 |
| CN101021149B true CN101021149B (en) | 2011-06-08 |
Family
ID=38709020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100802341A Expired - Fee Related CN101021149B (en) | 2007-02-14 | 2007-02-14 | Well logging magnetic suspension turbine flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101021149B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4056976A (en) * | 1976-10-12 | 1977-11-08 | General Electric Company | Mass rate of flow meter |
| CN2060539U (en) * | 1989-11-03 | 1990-08-15 | 大庆石油管理局标准计量处 | Magnetic drive turbine flowmeter |
| CN1056931A (en) * | 1990-05-31 | 1991-12-11 | 清华大学 | A kind of magnetic floating-type turbo-conveyer for measuring flow |
| CN2166419Y (en) * | 1993-04-09 | 1994-05-25 | 沈阳黎明机电仪表设备工程公司 | Vertical magnetically-suspended wormwheel gas flowmeter |
-
2007
- 2007-02-14 CN CN2007100802341A patent/CN101021149B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4056976A (en) * | 1976-10-12 | 1977-11-08 | General Electric Company | Mass rate of flow meter |
| CN2060539U (en) * | 1989-11-03 | 1990-08-15 | 大庆石油管理局标准计量处 | Magnetic drive turbine flowmeter |
| CN1056931A (en) * | 1990-05-31 | 1991-12-11 | 清华大学 | A kind of magnetic floating-type turbo-conveyer for measuring flow |
| CN2166419Y (en) * | 1993-04-09 | 1994-05-25 | 沈阳黎明机电仪表设备工程公司 | Vertical magnetically-suspended wormwheel gas flowmeter |
Non-Patent Citations (2)
| Title |
|---|
| 王勇.国外新型多相流量计技术综述.油气地面工程15 2.1996,15(2),6-9. |
| 王勇.国外新型多相流量计技术综述.油气地面工程15 2.1996,15(2),6-9. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101021149A (en) | 2007-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3834227A (en) | Method for determining liquid production from a well | |
| CN105863611A (en) | Multi-well multi-phase annulus cuttings carrying simulator | |
| CN216742887U (en) | Medium flow adjusting structure of handle butterfly valve | |
| CN103376138B (en) | Vertical current amount determining device and current meter thereof and detection method in groundwater monitoring well | |
| CN109764830A (en) | A kind of comprehensive enhanced sensitivity obliquity sensor of fiber grating | |
| CN101021149B (en) | Well logging magnetic suspension turbine flowmeter | |
| CN207673321U (en) | Well head tolerance automatic adjusting control device | |
| CN106939787B (en) | Hanging ring type aperture testing device and method thereof | |
| CN209131738U (en) | A kind of flowmeter | |
| RU2007134728A (en) | METHOD FOR HYDRODYNAMIC RESEARCHES IN A WELL EQUIPPED WITH INSTALLATION OF ELECTRIC CENTRIFUGAL PUMP | |
| CN203584401U (en) | Underground intrusive electromagnetic flow meter | |
| CN201037409Y (en) | Well logging magnetic suspension turbine flowmeter | |
| CN216668885U (en) | Automatic observation device of drilling water level | |
| CN101684647B (en) | Rotary type static sounding probe | |
| EP1137936A1 (en) | Apparatus and method for measuring the characteristics of an oilfield fluid or the like | |
| CN103076263B (en) | Heteromorphic tube type drilling fluid rheology measuring method | |
| CN203177900U (en) | Ball bearing type turbine flowmeter | |
| CN206016801U (en) | A kind of 40 arm calliper log devices | |
| CN2294458Y (en) | Loose leaves type flow rater meter | |
| CN212458522U (en) | Portable combined current measuring bridge | |
| CN113982564A (en) | Well depth gamma depth-measuring tracker | |
| CN2501027Y (en) | Electromagnetic annular space flow logging instrument for high-water content low-oil producing well | |
| CN202467817U (en) | Indoor simulation device for rock drillability on air drilling condition | |
| CN109632019A (en) | Flowmeter | |
| CN218066591U (en) | High-precision flow tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20170214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |