CN1182206A - Piston-type flowmeter - Google Patents
Piston-type flowmeter Download PDFInfo
- Publication number
- CN1182206A CN1182206A CN 96120629 CN96120629A CN1182206A CN 1182206 A CN1182206 A CN 1182206A CN 96120629 CN96120629 CN 96120629 CN 96120629 A CN96120629 A CN 96120629A CN 1182206 A CN1182206 A CN 1182206A
- Authority
- CN
- China
- Prior art keywords
- piston
- mozzle
- spacing ring
- liquid meter
- fixed
- 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.)
- Pending
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The piston-type flowmeter consits of guiding pipe, limiting ring in the middle of guiding pipe, piston below the limiting ring, resistance spring and non-return shade covering the liquid outlet and precision potentiometer. One linkage has one end fixed at the bottom of the piston and the other end fixed onto the wiper of the precision potentimeter, the resistance spring has one end fixed at the bottom of the piston and the other end connected to the bottom of the guiding pipe, and the liquid outlet is in the side wall of the guiding pipe. The present invention has novel and simple structure, and it can be used in both inlet and outlet profiles.
Description
The present invention relates to a kind of piston liquid meter, it belongs to the device of measuring injection and production profile in the petroleum industry production logging field.
In the intermediary and later stages of waterflooding oil field, the accurate measurement of injection and production profile is fallen end cost of winning by oilfield development program to rationally determining, improves field output and is significant.Now waterflooding oil field all over the world enters the intermediary and later stages mostly, inject and production profile logging become one significant, expend huge fund and essential activity in production.At present, the method that is used for injection profile logging mainly contains radioactivity microballoon method and two kinds of methods of turbo flow meter, and in production profile logging, mainly depends on a kind of method of turbo flow meter.These two kinds of logging methods all have very big scarce limit, though wherein turbo flow meter all can use in injection and production profile logging, influence factor is many, and dynamic range is little, and when particularly using in containing gas well, measurement result is especially unreliable; Though radioactivity microballoon method does not have above-mentioned shortcoming, but can only be used for input profile measures, and construction is complicated, need formulate concrete arrangement and method for construction at each mouthful well, more trouble is, because the selected radioactive source half life period is short,, so not only increased cost widely so need to prepare microballoon frequently, termly, and, be difficult to carry out large-scale logging technology service for extremely unfavorable away from the base operation.Yet for these two kinds of logging methods, maximum, also be that common difficulty is exactly annotating high viscosity fluid, in polymer injection well, be difficult to accurately measurement.
The object of the present invention is to provide a kind of motion that the variation of in-hole fluid flow can be converted to piston, and then convert well logging apparatus one piston liquid meter of the resistance change that can measure by cable to, it can be measured accurately, quickly and easily and inject and production profile, and can use in complicated well.
The objective of the invention is to be realized by following technical scheme: it is by mozzle (1), piston (2), spacing ring (3), resistance spring (4), non-return cover (5), precision resistor (6) is formed, a spacing ring (3) is established at the middle part in mozzle (1), spacing ring (3) is packed on mozzle (1) inwall, one piston (2) is arranged below spacing ring (3), sealing gasket (7) is fixed on piston (2) top, one end of connecting rod (8) is fixed on piston (2) bottom, the other end is fixed on precision resistor (6) slide head, one end of resistance spring (4) is fixed on piston (2) bottom, the other end links to each other with adjuster bar (9) upper end, adjuster bar (9) lower end links to each other with mozzle (1) bottom surface, inlet (11) is opened in mozzle (1) upper surface, leakage fluid dram (12) is opened on mozzle (1) sidewall, non-return cover (5) covers on leakage fluid dram (12) top, its upper end is affixed with mozzle (1) outer wall, lower ending opening, and mozzle (1) sidewall is equipped with a trip bolt (10).Piston (2) is a right cylinder, and piston (2) end face is a circular conical surface, piston (2) side surface up and down separately symmetry be shaped on (21) three pairs on sliding cutter, three pairs of sliding cuttves (21) are equidistantly to distribute; Mozzle (1) inwall is provided with the semicircle slideway (13) in three roads along sliding cutter (21) correspondence position on axis direction and the piston (2), and the sliding cutter of three couple on the piston (2) (21) is installed on respectively in the semicircle slideways in three roads (13) of mozzle (1) inwall; Leakage fluid dram (12) is a tubaeform window wide at the top and narrow at the bottom; Spacing ring (3) bottom surface adopts the concave panel that compensates mutually with piston (2) circular cone end face; Precision resistor (6) two termination cables, and link by cable and voltage table, constant current source.
Advantage of the present invention is to have adopted piston cylinder operator, and the various factors that influence accuracy in traditional flow measurement are reduced to minimum, is applicable to measure to inject and production profile, in the polymer injection well of simple water injection well and complexity, can both use, and is applied widely.Novel structure of the present invention, simple, easy to use, cost is low, is convenient to promote the use of.
Fig. 1 is the piston liquid meter structural representation
Fig. 2 is piston longitudinal profile synoptic diagram in mozzle
Fig. 3 is piston schematic cross section in mozzle
Reaching embodiment in conjunction with the accompanying drawings is described further the present invention:
In the described piston liquid meter of present embodiment; mozzle (1) is 38 millimeters of external diameters; 28 millimeters of internal diameters; long 1500 millimeters steel pipe; its upper end open is inlet (11); the lower end is a shutoff face; a spacing ring (3) is established at the middle part in mozzle (1); spacing ring (3) is packed on mozzle (1) inwall; this spacing ring (3) internal diameter is 24 millimeters; the concave panel that compensates mutually with piston (2) circular cone end face is adopted in its lower surface; one piston (2) is arranged below spacing ring (3); piston (2) adopts hard aluminium alloy to make; it is the right cylinder of 27 millimeters of external diameters; high 6 millimeters; end face is a circular conical surface; the sealing gasket that rubber is made (7) is fixed on piston (2) top; can be when zero flow; with piston (2); spacing ring (3) acting in conjunction; realize sealing; from 3 millimeters places, spacing ring (3) lower surface; on mozzle (1) sidewall; open a tubaeform window wide at the top and narrow at the bottom; be leakage fluid dram (12); the upper end width is 22 millimeters; the lower end edge axis progressively shrinks downwards; coextensively stretch 60 millimeters; connecting rod (8) adopts on-deformable duroplasts to make; one end is fixed on piston (2) bottom; the other end is fixed on precision resistor (6) slide head; the movement conversion of piston (2) can be become resistance value; one end of resistance spring (4) is fixed on piston (2) bottom; the other end links to each other with adjuster bar (9) upper end; adjuster bar (9) lower end links to each other with mozzle (1) bottom surface; resistance spring (4) can pass through adjuster bar (9) and regulate compression degree; its elasticity coefficient is 20 gram per centimeters; diameter is 27 millimeters; do not twist in the time of can guaranteeing length of spring compressed like this to both sides; resistance spring (4) remains at compressive state; non-return cover (5) can adopt rubber or metal to make; more bigger than mozzle (1) external diameter; cover on leakage fluid dram (12) top; its upper end is affixed with mozzle (1) outer wall; lower ending opening; when being operated in non-complete current collection mode in dependable flow; fluid can only be discharged through leakage fluid dram (12) in mozzle (1); and can not reversed flow, mozzle (1) sidewall is equipped with a trip bolt (10), and it plays protection slideway (13) and sliding cutter (21) acts on; need in transit it is tightened, guarantee that piston (2) is stiff in mozzle (1).Piston (2) side surface up and down separately symmetry be shaped on (21) three pairs on sliding cutter, three pairs of sliding cuttves (21) are equidistantly to distribute, sliding cutter (21) top is the isosceles triangle at 30 ° of angles, sliding cutter (21) adopts high-abrasive material such as jewel or Buddha's warrior attendant plated film; Mozzle (1) inwall is provided with the semicircle slideway (13) in three roads along sliding cutter (21) correspondence position on axis direction and the piston (2), the diameter of semi-circular groove is 2 millimeters, inside surface adopts the Buddha's warrior attendant plated film, the sliding cutter of three couple on the piston (2) (21) is installed on respectively in the semicircle slideways in three roads (13) of mozzle (1) inwall, sliding cutter (21) can slide in slideway (13) flexibly, its surface of contact is the contact of line face, the resistance of so not only can reducing friction can also prevent relatively rotating between piston (2) and the mozzle (1); Leakage fluid dram (12) is a tubaeform window wide at the top and narrow at the bottom; Spacing ring (3) bottom surface adopts the concave shape that compensates mutually with piston (2) circular cone end face; Precision resistor (6) two termination cables, and link by cable and voltage table, constant current source.
Using method is as follows:
1. the present invention can put and survey or survey continuously, also can adopt non-collective flow, umbrella formula afflux, any in three kinds of modes of afflux fully, and instrument is placed in the middle during measurement.
2. inlet should be aimed at flow path direction to use when measuring, when promptly surveying input profile, inlet up; When surveying production profile, inlet is downward, and guarantees that the flowmeter vertical ground is downward.
3. in in-hole fluid composition complexity, under the viscosity variation situation greatly, be with a viscosity meter one to remove and measure, effect can be better.
4. should unclamp flowmeter trip bolt (10) earlier before using, use is then fastening with it after finishing.
5. when measuring by cable, ground is with a constant current source power supply, and supply current is advisable with 10mA, and then the voltage signal that records of ground is promptly linear with down-hole potentiometer (6) resistance.
Claims (6)
1, a kind of piston liquid meter, it is characterized in that by mozzle (1), piston (2), spacing ring (3), resistance spring (4), non-return cover (5), precision resistor (6) is formed, a spacing ring (3) is established at the middle part in mozzle (1), spacing ring (3) is packed on mozzle (1) inwall, one piston (2) is arranged below spacing ring (3), sealing gasket (7) is fixed on piston (2) top, one end of connecting rod (8) is fixed on piston (2) bottom, the other end is fixed on precision resistor (6) slide head, one end of resistance spring (4) is fixed on piston (2) bottom, the other end links to each other with adjuster bar (9) upper end, adjuster bar (9) lower end links to each other with mozzle (1) bottom surface, inlet (11) is opened in mozzle (1) upper surface, leakage fluid dram (12) is opened on mozzle (1) sidewall, and non-return cover (5) covers on leakage fluid dram (12) top, and its upper end is affixed with mozzle (1) outer wall, lower ending opening, mozzle (1) sidewall is equipped with a trip bolt (10).
2, as claim 1 described piston liquid meter, it is characterized in that piston (2) is a right cylinder, piston (2) end face is a circular conical surface, piston (2) side surface up and down separately symmetry be shaped on (21) three pairs on sliding cutter, three pairs of sliding cuttves (21) are equidistantly to distribute.
3, as claim 1 described piston liquid meter, it is characterized in that mozzle (1) inwall is provided with the semicircle slideway (13) in three roads along sliding cutter (21) correspondence position on axis direction and the piston (2), the sliding cutter of three couple on the piston (2) (21) is installed on respectively in the semicircle slideways in three roads (13) of mozzle (1) inwall
4,, it is characterized in that leakage fluid dram (12) is a tubaeform window wide at the top and narrow at the bottom as claim 1 described piston liquid meter.
5,, it is characterized in that spacing ring (3) bottom surface adopts the concave panel that compensates mutually with piston (2) circular cone end face as claim 1 described piston liquid meter.
6,, it is characterized in that precision resistor (6) two termination cables, and link by cable and voltage table, constant current source as claim 1 described piston liquid meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96120629 CN1182206A (en) | 1996-11-12 | 1996-11-12 | Piston-type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96120629 CN1182206A (en) | 1996-11-12 | 1996-11-12 | Piston-type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1182206A true CN1182206A (en) | 1998-05-20 |
Family
ID=5126469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96120629 Pending CN1182206A (en) | 1996-11-12 | 1996-11-12 | Piston-type flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1182206A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330944C (en) * | 2005-10-08 | 2007-08-08 | 中国计量学院 | Internal-bevel and venturi assembled flowmeter with variable area |
| CN101550823B (en) * | 2008-04-02 | 2012-09-05 | 贵州航天凯山石油仪器有限公司 | Method and device for improving the accuracy of flow rate test of flowmeter used for water injection wells in oil fields |
| CN103376139A (en) * | 2012-04-12 | 2013-10-30 | 辽宁省水利水电科学研究院 | Flow-guiding protective cover of high-calcium area seepage monitoring equipment |
| CN104481507A (en) * | 2014-12-05 | 2015-04-01 | 贵州航天凯山石油仪器有限公司 | Piston flow detection method and device for injection of carbon dioxide to oilfield |
-
1996
- 1996-11-12 CN CN 96120629 patent/CN1182206A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330944C (en) * | 2005-10-08 | 2007-08-08 | 中国计量学院 | Internal-bevel and venturi assembled flowmeter with variable area |
| CN101550823B (en) * | 2008-04-02 | 2012-09-05 | 贵州航天凯山石油仪器有限公司 | Method and device for improving the accuracy of flow rate test of flowmeter used for water injection wells in oil fields |
| CN103376139A (en) * | 2012-04-12 | 2013-10-30 | 辽宁省水利水电科学研究院 | Flow-guiding protective cover of high-calcium area seepage monitoring equipment |
| CN104481507A (en) * | 2014-12-05 | 2015-04-01 | 贵州航天凯山石油仪器有限公司 | Piston flow detection method and device for injection of carbon dioxide to oilfield |
| CN104481507B (en) * | 2014-12-05 | 2017-12-22 | 贵州航天凯山石油仪器有限公司 | Carbon dioxide piston fluid detection method and device are injected in a kind of oil field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4177676A (en) | Sensor positioning apparatus | |
| CN101598034B (en) | Method for forecasting coal and gas outburst on site | |
| CN105587723B (en) | The flexible measuring staff of the hydrology and hydrographic survey equipment | |
| CN1182206A (en) | Piston-type flowmeter | |
| CN2294458Y (en) | Loose leaves type flow rater meter | |
| CN101624907A (en) | Underground oil-water-gas mixed phase flow measuring device | |
| CN109100182A (en) | Sampler and its application method a kind of while that obtain different water level characteristics | |
| CN206616536U (en) | A kind of rectangular canal with flow monitoring | |
| CN205808315U (en) | Hydrocyclone sand outspoken footpath on-line measurement device | |
| CN200955969Y (en) | Plug-in sensor for ultrasonic flowmeter | |
| CN201107252Y (en) | Oil and water boundary measuring instrument | |
| CN202250062U (en) | Pollution-free sampling device for oil well | |
| CN209414964U (en) | A kind of hydrologic monitoring bracket and device | |
| CN109282864B (en) | Downhole V-cone gas flow testing device | |
| CN206114222U (en) | Dykes and dams piping seepage intensity detection device | |
| CN209993078U (en) | Novel landslide early warning device | |
| CN213600020U (en) | Measuring instrument for half chord length of automobile plate spring | |
| CN212205946U (en) | Intelligent positioning device for measuring workpiece convenient for detecting verticality | |
| CN208653851U (en) | A kind of Portable field exploration silt sample collecting apparatus | |
| CN209131636U (en) | A kind of water conservancy and hydropower depth detection apparatus | |
| CN2501027Y (en) | Electromagnetic annular space flow logging instrument for high-water content low-oil producing well | |
| CN201680862U (en) | Adjustable inserted vortex shedding flowmeter | |
| CN214467556U (en) | Underground pipeline measuring instrument convenient to adjust | |
| CN212513190U (en) | Special protection device for gas turbine flowmeter | |
| CN201407029Y (en) | Direct reading packer float flow logger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |