CN201137493Y - Capacitance method retention rate instrument rotary type probe - Google Patents
Capacitance method retention rate instrument rotary type probe Download PDFInfo
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- CN201137493Y CN201137493Y CNU2007202015365U CN200720201536U CN201137493Y CN 201137493 Y CN201137493 Y CN 201137493Y CN U2007202015365 U CNU2007202015365 U CN U2007202015365U CN 200720201536 U CN200720201536 U CN 200720201536U CN 201137493 Y CN201137493 Y CN 201137493Y
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- insulation turbine
- capacitance method
- turbine stirrer
- method specific
- specific retention
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Abstract
The utility model relates to a capacitor method water holdup instrument rotary detector for measuring the water content of flowing oil, gas and water in an oil well, comprising an upper connector, an outer shell, a lower connector, a capacity internal electrode and an insulation turbine mixer, wherein the inner side of the upper end of the outer shell is fixed with the outer side of the lower end of the upper connector, the inner side of the lower end of the outer shell is fixed with the outer side of the upper end of the lower connector, the lower end of the upper connector is provided with at least one liquid inlet or one liquid outlet communicated with the chamber of the outer shell, the upper end of the lower connector is provided with at least one liquid inlet or one liquid outlet communicated with the chamber of the outer shell, the chamber of the outer shell is provided with the insulation turbine mixer. The capacitor method water holdup instrument rotary detector has reasonable and compact structure and simple application, can accurately measure the water content of flowing oil, gas and water in an oil well via the added insulation turbine mixer, thereby improving the application efficiency and the measurement level of an oil field.
Description
One, technical field
The utility model relates to the instrument of moisture content size when measuring the interior oil of oil well, gas, water Three-phase Flow, is a kind of capacitance method specific retention instrument rotating transducer.
Two, background technology
Present capacitance method specific retention instrument adopts annular space formula capacitance method specific retention instrument, the operating principle of this instrument is: the axle center electrode of instrument probe and tool housing (another electrode of electric capacity) are formed a coaxial cylindrical capacitor, allow fluid in the well flow through the annular space of instrument probe two-plate, the fluid that flows through its annular space is equivalent to the dielectric of this electric capacity, because hydrocarbon has significantly different dielectric constant with glassware for drinking water, the relative dielectric constant of water is about 60 to 80, and the relative dielectric constant of oil gas is about between 1.0 to 4.0.When oil, gas, water mix in varing proportions, dielectric dielectric constant is also different, thereby capacitor has different capacitances, and this electric capacity is exactly the part of instrument oscillating circuit, frequency of oscillation is the function of fluid dielectric constant between capacitor plate, measure the information relevant, just can know the content of water in the FIH mixture by inference with capacitor.There is following shortcoming at present in annular space formula capacitance method specific retention instrument: the low yield bottom payzone that the first, is not suitable for surveying low-producing well (less than 15 cubic metres well every day) and well; The second, when specific retention in the well is above greater than 30 percent, just can't accurately measure, because the land most of oil well of China is that height is moisture, the oil well of low discharge, particularly oil well enters into the intermediary and later stages of exploitation, a lot of oil well yield are less than 15 cubic metres of every days, moisture content is greater than more than 40 percent, therefore, currently used annular space formula capacitance method specific retention instrument is difficult to these oil wells are accurately measured.
Three, summary of the invention
The utility model provides a kind of capacitance method specific retention instrument rotating transducer, overcome the deficiency of above-mentioned prior art, it can solve the percent 40 above oil wells of problem can't accurately measure greater than to(for) low yield oil well (less than 15 cubic metres well every day) or moisture content.
The technical solution of the utility model realizes by following measure: a kind of capacitance method specific retention instrument rotating transducer comprises electrode and insulation turbine stirrer in top connection, shell body, lower contact, the electric capacity; The inboard outside, lower end with top connection, the upper end of shell body is fixedly installed togather, the inboard outside, upper end with lower contact, the lower end of shell body is fixedly installed togather, and has in the lower end of top connection to be no less than one the inlet or the liquid outlet that communicate with shell body inner cavity chamber; Have in the upper end of lower contact and to be no less than one the inlet or the liquid outlet that communicate with shell body inner cavity chamber; The insulation turbine stirrer is arranged in shell body inner cavity chamber, on the insulation turbine stirrer turbo blade is arranged, this turbo blade and insulation turbine stirrer are one; Electrode is installed in the insulation turbine stirrer in the electric capacity, the lower end of insulation turbine stirrer and the upper end of lower drive shaft link together, and the output shaft of the lower end of lower drive shaft and motor links together, the lower end of last driven axle is fixedly mounted on the upper end of insulation turbine stirrer, the upper end of last driven axle is installed in the top connection by bearing, in the top connection of last power transmission shaft upper end the seal head pressure ring is installed; It is indoor that the lower end of lower contact is sleeved on pressure compensation, pressure compensated piston is housed on pressure-compensating chamber, pressure compensation is indoor motor, relay ring, seal plug, seal socket and insulating oil, and relay ring is fixedly mounted on the underdrive shaft support, and seal socket is installed on seal plug; The lead-in wire of electrode is connected with relay ring in the electric capacity, and relay ring is connected with seal socket by lead, and seal socket is connected with electronic circuit board by lead, and seal plug is isolated pressure-compensating chamber and electronic circuit board.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Above-mentioned insulation turbine stirrer can have two lobe turbo blades.
Can there be the grid mouth that is no less than at the outer end of above-mentioned turbo blade to middle part.
Above-mentioned grid mouth can be shape wide outside and narrow inside.
Electrode can be embedded in the insulation turbine stirrer in the above-mentioned electric capacity.
Can be equipped with between above-mentioned lower drive shaft and the lower contact and be no less than one sealing ring.
Between the outside, lower end of above-mentioned pressure compensated piston and lower contact and the inboard, upper end of pressure-compensating chamber sealing ring can be installed.
The utility model reasonable and compact in structure, easy to use, owing to increased the insulation turbine stirrer, so the various moisture content can accurately measure oil in the oil well, gas, water Three-phase Flow the time, therefore improve service efficiency, improved the logging quality in oil field greatly.
Four, description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment;
Coding in the accompanying drawing is respectively: 1 is top connection, and 2 is banana plug, and 3 is the seal head pressure ring, 4 is bearing, and 5 is the insulation turbine stirrer, and 6 is the lead-in wire of electrode in the electric capacity, 7 is lower drive shaft, and 8 is shell body inner cavity chamber, and 9 is sealing ring, 10 is pressure-compensating chamber, 11 is pressure compensated piston, and 12 is relay ring, and 13 is motor, 14 is seal plug, 15 is seal socket, and 16 is electronic circuit board, and 17 is shell body, 18 is electrode in the electric capacity, 19 is turbo blade, and 20 is inlet or liquid outlet, and 21 is last driven axle, 22 is the grid mouth, and 23 are lower contact.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this capacitance method specific retention instrument rotating transducer comprises electrode 18 and insulation turbine stirrer 5 in top connection 1, shell body 17, lower contact 23, the electric capacity; The inboard outside, lower end with top connection 1, the upper end of shell body 17 is fixedly installed togather, the inboard outside, upper end with lower contact 23, the lower end of shell body 17 is fixedly installed togather, have in the lower end of top connection 1 to be no less than one inlet that communicates with shell body inner cavity chamber 8 or liquid outlet 20, have in the upper end of lower contact 23 to be no less than one inlet that communicates with shell body inner cavity chamber 8 or liquid outlet 20; Insulation turbine stirrer 5 is arranged in shell body inner cavity chamber 8, turbo blade 19 is arranged on insulation turbine stirrer 5, this turbo blade 19 is an one with the insulation turbine stirrer; Electrode 18 is installed in the insulation turbine stirrer 5 in the electric capacity, the upper end of the lower end of insulation turbine stirrer 5 and lower drive shaft 7 links together, and the output shaft of the lower end of lower drive shaft 7 and motor 13 links together, the lower end of last driven axle 21 is fixedly mounted on the upper end of insulation turbine stirrer 5, the upper end of last driven axle 21 is installed in the top connection 1 by bearing 4, in the top connection 1 of last power transmission shaft 21 upper ends seal head pressure ring 3 is installed; The lower end of lower contact 23 is sleeved in the pressure-compensating chamber 10, pressure compensated piston 11 is housed on pressure-compensating chamber 10, motor 13, relay ring 12, seal plug 14, seal socket 15 and insulating oil are arranged in the pressure-compensating chamber 10, relay ring 12 is fixedly mounted on the support of lower drive shaft 7, and seal socket 15 is installed on seal plug 14; The lead-in wire 6 of electrode is connected with relay ring 12 in the electric capacity, and relay ring 12 is connected with seal socket 15 by lead, and seal socket 15 is connected with electronic circuit board 16 by lead, and seal plug 14 is isolated pressure-compensating chamber 10 and electronic circuit board 16.
Can according to actual needs above-mentioned capacitance method specific retention instrument rotating transducer be made further optimization and/or improvements:
As shown in Figure 1, insulation turbine stirrer 5 has two lobe turbo blades.
As shown in Figure 1, at outer end to the middle part of turbo blade 19 the grid mouth 22 that is no less than is arranged.
As shown in Figure 1, grid mouth 22 is shape wide outside and narrow inside, and like this, when turbo blade 19 rotations, turbo blade 19 both can stir the fluid in the shell body inner cavity chamber 8, can produce the motive force that fluid is sucked in and discharges again.
As shown in Figure 1, for the ease of installing and maintenance, electrode 18 is embedded in the insulation turbine stirrer 5 in the electric capacity.
As shown in Figure 1, in order to increase sealing, the sealing ring 9 that is no less than is installed between lower drive shaft 7 and lower contact 23.
As shown in Figure 1, in order to increase sealing, outside the lower end of pressure compensated piston 11 and lower contact 23 and between the inboard, upper end of pressure-compensating chamber 10 sealing ring 9 is being installed.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The course of work of the utility model most preferred embodiment: because the pressure in the well is big, have up to 60Mpa, when lower drive shaft 7 drives 5 rotations of insulation turbine stirrer, sealing ring 9 on the lower drive shaft 7 is easily damaged, therefore, by the pressure compensation of pressure-compensating chamber 10, when motor 13 rotates, the pressure reduction of sealing ring 9 both sides on the lower drive shaft 7 is almost nil, has avoided sealing ring 9 to be damaged; Electrode 18 is electrodes of electric capacity in the electric capacity in the middle of the insulation turbine stirrer 5 owing to be embedded in, therefore, the lead-in wire 6 of electrode must be with 5 rotations of insulation turbine stirrer in the electric capacity, thereby must connect by relay ring 12, be connected to by the relay ring lead on the seal socket 15 of seal plug 14, by seal socket 15, power line, holding wire and motor control line etc. are connected with electronic circuit board 16, thereby have realized signal controlling and processing.During well logging, motor 13 drives 5 rotations of insulation turbine stirrer by lower drive shaft 7, and the fluid that turbo blade 19 promotes in the shell body inner cavity chamber 8 pushs out the liquid in the shell body inner cavity chamber 8, simultaneously the fluid in the well is sucked in, so just can carry out the measurement of moisture content.
Claims (10)
1, a kind of capacitance method specific retention instrument rotating transducer is characterized in that comprising electrode and insulation turbine stirrer in top connection, shell body, lower contact, the electric capacity; The inboard outside, lower end with top connection, the upper end of shell body is fixedly installed togather, the inboard outside, upper end with lower contact, the lower end of shell body is fixedly installed togather, have in the lower end of top connection to be no less than one the inlet or the liquid outlet that communicate with shell body inner cavity chamber, have in the upper end of lower contact to be no less than one the inlet or the liquid outlet that communicate with shell body inner cavity chamber; The insulation turbine stirrer is arranged in shell body inner cavity chamber, on the insulation turbine stirrer turbo blade is arranged, this turbo blade and insulation turbine stirrer are one; Electrode is installed in the insulation turbine stirrer in the electric capacity, the lower end of insulation turbine stirrer and the upper end of lower drive shaft link together, and the output shaft of the lower end of lower drive shaft and motor links together, the lower end of last driven axle is fixedly mounted on the upper end of insulation turbine stirrer, the upper end of last driven axle is installed in the top connection by bearing, in the top connection of last power transmission shaft upper end the seal head pressure ring is installed; It is indoor that the lower end of lower contact is sleeved on pressure compensation, pressure compensated piston is housed on pressure-compensating chamber, pressure compensation is indoor motor, relay ring, seal plug, seal socket and insulating oil, and relay ring is fixedly mounted on the underdrive shaft support, and seal socket is installed on seal plug; The lead-in wire of electrode is connected with relay ring in the electric capacity, and relay ring is connected with seal socket by lead, and seal socket is connected with electronic circuit board by lead, and seal plug is isolated pressure-compensating chamber and electronic circuit board.
2, capacitance method specific retention instrument rotating transducer according to claim 1 is characterized in that the insulation turbine stirrer has two lobe turbo blades.
3, capacitance method specific retention instrument rotating transducer according to claim 1 and 2 is characterized in that there is the grid mouth that is no less than at outer end to the middle part of turbo blade.
4, capacitance method specific retention instrument rotating transducer according to claim 3 is characterized in that the grid mouth is shape wide outside and narrow inside.
5, capacitance method specific retention instrument rotating transducer according to claim 1 and 2 is characterized in that electrode is embedded in the insulation turbine stirrer in the electric capacity.
6, capacitance method specific retention instrument rotating transducer according to claim 3 is characterized in that electrode is embedded in the insulation turbine stirrer in the electric capacity.
7, capacitance method specific retention instrument rotating transducer according to claim 4 is characterized in that electrode is embedded in the insulation turbine stirrer in the electric capacity.
8, capacitance method specific retention instrument rotating transducer according to claim 1 and 2 is characterized in that being equipped with between lower drive shaft and the lower contact and is no less than one sealing ring.
9, capacitance method specific retention instrument rotating transducer according to claim 7 is characterized in that being equipped with between lower drive shaft and the lower contact and is no less than one sealing ring.
10, capacitance method specific retention instrument rotating transducer according to claim 9 is characterized in that between the inboard, upper end of the lower end outside of pressure compensated piston and lower contact and pressure-compensating chamber sealing ring being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202015365U CN201137493Y (en) | 2007-11-30 | 2007-11-30 | Capacitance method retention rate instrument rotary type probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202015365U CN201137493Y (en) | 2007-11-30 | 2007-11-30 | Capacitance method retention rate instrument rotary type probe |
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| Publication Number | Publication Date |
|---|---|
| CN201137493Y true CN201137493Y (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202015365U Expired - Fee Related CN201137493Y (en) | 2007-11-30 | 2007-11-30 | Capacitance method retention rate instrument rotary type probe |
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| CN (1) | CN201137493Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291178A (en) * | 2016-07-29 | 2017-01-04 | 中国海洋石油总公司 | A kind of test device of electrode system |
| CN106499387A (en) * | 2016-12-21 | 2017-03-15 | 西南石油大学 | A kind of active specific retention measurement apparatus |
-
2007
- 2007-11-30 CN CNU2007202015365U patent/CN201137493Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291178A (en) * | 2016-07-29 | 2017-01-04 | 中国海洋石油总公司 | A kind of test device of electrode system |
| CN106291178B (en) * | 2016-07-29 | 2019-04-26 | 中国海洋石油集团有限公司 | A kind of test device of electrode system |
| CN106499387A (en) * | 2016-12-21 | 2017-03-15 | 西南石油大学 | A kind of active specific retention measurement apparatus |
| CN106499387B (en) * | 2016-12-21 | 2019-04-16 | 西南石油大学 | A kind of active specific retention measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081205 Address after: Xinjiang Karamay City Construction Road 9, zip code: 834000 Patentee after: Western Drilling Logging Company Address before: Construction of Karamay Road, the Xinjiang Uygur Autonomous Region No. 9, zip code: 834000 Patentee before: Well Logging Co, Xinjiang Peroleum Administration |
|
| ASS | Succession or assignment of patent right |
Owner name: WEST DRILLING WELL LOGGING CO.,LTD. Free format text: FORMER OWNER: XINJIANG PETROLEUM ADMINISTRATIVE BUREAU WELL LOGGING CO.,LTD. Effective date: 20081205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |