CN109138980A - Electrical measurement is confessed under a kind of rod-pumped well based on piezo-electric crystal - Google Patents
Electrical measurement is confessed under a kind of rod-pumped well based on piezo-electric crystal Download PDFInfo
- Publication number
- CN109138980A CN109138980A CN201811266521.6A CN201811266521A CN109138980A CN 109138980 A CN109138980 A CN 109138980A CN 201811266521 A CN201811266521 A CN 201811266521A CN 109138980 A CN109138980 A CN 109138980A
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- Prior art keywords
- piezo
- pipe nipple
- rod
- electric crystal
- rotary body
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- 239000013078 crystal Substances 0.000 title claims abstract description 28
- 238000005259 measurement Methods 0.000 title claims abstract description 14
- 210000002445 nipple Anatomy 0.000 claims abstract description 48
- 238000001125 extrusion Methods 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000010248 power generation Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 37
- 238000005086 pumping Methods 0.000 description 21
- 239000003129 oil well Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 241001023788 Cyttus traversi Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax Substances 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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/183—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using impacting bodies
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses electrical measurement, including pipe nipple, upper rubber closure, lower rubber closure are confessed under a kind of rod-pumped well based on piezo-electric crystal, upper threaded closure caps, lower threaded closure caps, buckle, upper holder, lower fixed frame, rotary body, rotary body blade, test device capping, test device shell, sensor, flexible printed circuit board, battery, piezo-electric generating block, piezo-electric crystal, semicircle extrusion head.When being pumped by sucker rod up and down motion, oil liquid drives rotary body rotation.Rotary body squeezes to paddle cycles semicircle extrusion head during rotation, and semicircle extrusion head squeezes piezoelectric patches power generation, has on flexible printed circuit board by circuit that the charge-trapping of generation gets up and is filled with battery, then uses for sensor circuit and control processing chip.Measuring device self-powered is realized, structure is simple, easy for installation, adaptable, can be under a variety of rod-pumped wells in the power supply of measuring device.
Description
Technical field
The present invention relates to a kind of measuring devices, and electrical measurement dress is specifically confessed under the rod-pumped well based on piezo-electric crystal
It sets.
Background technique
In petroleum production engineering of today, there is miscellaneous oil production method, but it is main use bar recover the oil
Mode.There is bar to recover the oil and be connected to the oil well pump of thousands of meters of underground using elongated sucker rod, by the pumping unit for being fixed on ground
Sucker rod up and down motion is driven to reach oil pumping purpose.
Sucker rod is the slender rod piece of rod-pumped well, and the polished rod eye of pumping unit is connect on it, under connect oil pumping and pump up transmitting power
Effect.Sucker rod joint length is 7.62,8 or 9.14 meters, and material is usually low-carbon alloy steel by modifier treatment, single
External screw thread is processed at the both ends of sucker rod, then sucker rod will be connected one by one with a kind of standard connector for being box cupling,
Internal screw thread is processed at the both ends of box cupling, and length is generally 100 millimeters or so, and outer diameter is more slightly larger than sucker rod, is led in this way in oil pipe
It crosses sucker rod the oil pump piston at oilbearing stratum is connected with the polished rod eye on pumping unit " horse head ", back and forth be transported by pumping unit
It moves and carrys out pump oil.
Now with the drop of oil price, each oil field production unit is increasingly paid attention to producing energy efficiency, such as changes to pumping unit
For frequency control, the adjustable oil pumping frequency is realized, the optimization of water injection pressure and flow to water injection well changes to promote oil production,
But the setting of these current parameters is all based on the experience of operator, in default of the measurement of subsurface environment data, such as fills the water
Water injection pressure and flow are very big in well, and what is pumped in oil well is the very high crude oil of water content, will result in the pole of energy
Big waste.On the other hand, current oil well depth is generally in 2~3 kms or so, and the oil well depth of Karamay, Xinjiang is up to 6
~7 kms, and underground working is sufficiently complex, working environment very severe, is not only influenced by pumping units such as machine, bar, pumps,
It is also directly influenced by sand, wax, gas and water, failure rate is very high, and in order to guarantee that pumpingh well normally produces, extending pumping unit makes
With the service life, the working condition of pumpingh well must be just grasped accurately and in time, diagnose failure present in pumpingh well.
The existing oil well in China in process of production, is monitored almost without to oil well environmental parameter, right at present
Mainly pass through oil production engineering person in the operating condition of pumpingh well to determine the analysis of pumping-unit workdone graphic and the managerial experiences of oil well,
Diagnostic result accuracy is not high, can only nose into situation when situation complexity by extracting all underground sucker rods and oil pipe out, but should
Method is easy to cause misjudgment or the unnecessary test jobs expense of investment, and seldom exist can directly detect underground other
The measuring device of data.Patent network disclose " it is a kind of using piezo technology generate electricity fluid-duct-system " (application number:
201510039957.1) kinetic energy that the device of this power generation may be implemented to flow fluid generation is converted into electric energy, but not
It is useful in the environment of oil pumping in oil fields, because there is sucker rod in the pumping pipelines of pumpingh well, sucker rod not can rotate.Patent network
(application number: being 201610459316.6) by will be in process fluid flow to " a kind of piezo fluid generator " announced
Pulsation drives the vibration of piezoelectric membrane to achieve the purpose that power generation, and this device is also not suitable for the environment of oil pumping in oil fields.Patent
Net " a kind of sucker rod underground stress measuring device " (application number: 201310399077.6) this underground forces testing dress announced
Although setting pressure on sucker rod under testing well can be connected to by devising a test nipple joint but its power supply is to pass through
The mode of large-capacity battery is powered, and actually underground space is very limited, it is impossible to provide the battery of very large capacity, charging
Inconvenience only takes out replacement when well workover, once the well workover period is longer, battery may consume, and influence work.Patent
Net announce " underground seal type load sensor " (application number: it is 200910072873.2) similar with the former, but also without
It solves the problems, such as noted earlier." a kind of drawing and pressing type vibration energy accumulator " that common confession electrical measurement such as patent network is announced
(application number: being 201510007482.8) a kind of moved by vibrating body drive inertial mass so that piezoelectric vibrator vibration hair
Electricity, but the invention be it is single-ended be fixed on vibrating body, with oil pumping environment can not be adapted well.In addition to this also have
People attempts direct payout and goes down, but electric wire is easily pulled off in oil pumping process, while can also interfere with well-repairing work after being routed.
Summary of the invention
The purpose of the present invention is: pumping unit oil well underground confession electrical measurement is overcome the deficiencies of the prior art and provide,
Measuring device self-powered may be implemented, structure is simple, and it is easy for installation, it is adaptable, a variety of pumping unit underground surveys can be used in
In the power supply of device.
The technical solution adopted by the present invention is that: pipe nipple is mounted on for substituting the effect of box cupling between two sucker rods,
The both ends of pipe nipple are both provided with internal screw thread, can cooperate with the external screw thread of sucker rod rod end；Uniformly mill out 10 in pipe nipple outer circle~
20 axial grooves are evenly distributed with 4~8 pieces of piezo-electric generating blocks in per pass slot, and every piece of piezo-electric generating block is by semicircle extrusion head and piezo crystals
Body is bonded, and piezo-electric generating block is fixed on pipe nipple slot by way of bonding；There are also a series of aperture on pipe nipple, these
Aperture is in the lower section of every piece of piezo-electric generating block, allow piezo-electric crystal generate electricity the two poles of the earth extraction conducting wire enter pipe nipple inside,
Connector female is made in all wire connecting ends；Upper lower fixed frame is covered outside pipe nipple and is fixed by screws on pipe nipple, Gu
Determining frame opening is up big and down small horn mouth, and bell-mouthed big mouth is towards sucker rod, so that the oil liquid speed for flowing through rotary body adds
Fastly, be conducive to generate electricity, rotary body is covered on pipe nipple and is clipped in up and down between two fixed frames and there are certain interval, rotary bodies
The blade of spiral is milled out on inner wall, the end of blade presses semicircle extrusion head, and rotary body can be around when liquid passes through
Pipe nipple rotation；There is rectangular aperture in threaded closure caps, threaded closure caps can be rotated using tool, upper threaded closure caps do not buckle,
There are four buckle, measuring device shells to be fixed in lower threaded closure caps by four card slots for lower threaded closure caps, measuring device capping
On also there are four buckles can be fixed on measuring device shell, measuring device capping is upper, and there are one openings, connect for fixation
Plugin male head is equipped with sensor, battery and flexible printed circuit board inside device；Sensor, battery are all printed with flexibility
Printed circuit board is connected, and extraction wire is connected with the connector male connector being fixed in measuring device capping on flexible printed circuit board,
Connector male connector is connected with female.
When pumping unit works, sucker rod moves up and down in oil pick-up tube, and oil liquid, sucker rod one punching are filled in oil pick-up tube
Cheng Zhong, a rotating body is by oil liquid, and since the blade inside rotary body exists, rotary body rotation, blade connects with semicircle extrusion head
Touching squeezes semicircle extrusion head, and semicircle extrusion head squeezes piezo-electric crystal, each piezo-electric crystal experienced crowded in rotary course
The process pressed-loosened, piezo-electric crystal, which is produced electricl energy, is passed to flexible printed circuit board by conducting wire, has in flexible printed circuit board
The electric current of alternation can be converted to direct current and is filled in battery by regulator rectifier circuit, management of charging and discharging circuit, and sensor can be with
It is replaced according to test request, corresponding transducing signal amplification, conditioning circuit is changed in flexible printed circuit board, passes through battery
Power supply, and store data in the memory of flexible printed circuit board.
Further, pipe nipple is connected with sucker rod, and pipe nipple will have enough intensity, uses good structural carbon steel for original
Material is fabricated, and is had and is not easy to get rusty, and uncorruptible feature, shape is similar with box cupling, and length is slightly longer, and both ends are interior spiral shell
Line can replace box cupling standard component.
Further, described four buckles and lower threaded closure caps are integrated, and buckle and lower threaded closure caps can be with
It is made of plastics.
Further, the blade inside the rotary body and rotary body are integrated, and with certain intensity and compared with
High-wearing feature, so that being worn in rotary course smaller.
In the present invention, using sucker rod and oil liquid relative motion, mechanical energy is converted to electric energy, pumpingh well may be implemented
Under confession electrical measurement.
It is an advantage of the current invention that 1. can pass through self-powered under the pumpingh well that the power supply of traditional cable type is difficult to realize
Realize the detection of subsurface environment parameter, while the invention relative to used underground survey device, having need not be every a period of time
The advantages of with regard to battery of replacement；2. accuracy is higher due to being directly to measure temperature in underground, and structure is simply not
Needing to do existing sucker rod change can be used；3. can according to different test conditions, replace different sensor and
Circuit, to realize that underground varying environment parameter volume measures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pumpingh well.
Fig. 2 is installation view of the invention.
Fig. 3 is cross-sectional view of the invention.
Fig. 4 is explosive view of the invention.
Fig. 5 is the structural schematic diagram of rotary body.
Fig. 6 is the side view of lower threaded closure caps.
Fig. 7 is the top view of lower threaded closure caps.
Fig. 8 is the schematic diagram of test device.
Figure middle sleeve 1, insulating centralizer 2, oil pipe 3, sucker rod 4, upper sucker rod 41, lower sucker rod 42, underground self-powered
Measuring device 5, pipe nipple 51, upper rubber closure 521, lower rubber closure 522, upper threaded closure caps 531, lower threaded closure caps
532, buckle 5321, upper holder 541, lower fixed frame 542, rotary body 55, rotary body blade 551, test device capping 561,
Test device shell 562, sensor 563, flexible printed circuit board 564, battery 565, piezo-electric generating block 57, piezo-electric crystal
571, semicircle extrusion head 572, box cupling 6.
Specific embodiment
As shown in Fig. 1 and Fig. 2 and Fig. 3 and Fig. 4 and Fig. 5 and Fig. 6 and figure and Fig. 8, pumpingh well is by casing 1, insulating centralizer
2, oil pipe 3 forms, and wherein sucker rod 4 moves among oil pipe 3.Existing sucker rod is generally connected by box cupling 6, and of the invention is short
Section 51 can replace box cupling, in the position of required measurement, box cupling 6 is substituted for pipe nipple 51, pipe nipple 51 is mounted on two oil pumping
For substituting the effect of box cupling between bar, the both ends of pipe nipple 51 are both provided with internal screw thread, can match with the external screw thread of oil pumping rod end
It closes, is fixed between sucker rod 41 and lower sucker rod 42；10~20 axial grooves, per pass slot are uniformly milled out in 51 outer circle of pipe nipple
Inside be evenly distributed with 4~8 pieces of piezo-electric generating blocks 57, every piece of piezo-electric generating block 57 by semicircle extrusion head 572 and the bonding of piezo-electric crystal 571 and
At piezo-electric generating block 57 is fixed on the slot of pipe nipple 51 by way of bonding；There are also a series of aperture on pipe nipple 51, these
Aperture is in the lower section of every piece of piezo-electric generating block 57, and the conducting wire that the power generation of piezo-electric crystal 571 the two poles of the earth are drawn enters pipe nipple
Inside 51, connector female is made after all wire connecting ends same polarities are in parallel；Upper lower fixed frame 541 and 542 set is in pipe nipple
51 is outer and be fixed by screws on pipe nipple 51, and 55 sets of rotary body on pipe nipple 51 and are clipped in two 541 Hes of fixed frame up and down
Between 542, and there are certain intervals, it is ensured that rotary body 55 will not upper and lower play, be not stuck when rotation again.55 inner wall of rotary body
On milled out the blade of spiral, the end of blade presses semicircle extrusion head 572, and when liquid passes through, rotary body 55 can be around
Pipe nipple 51 rotates；There is rectangular aperture in threaded closure caps, threaded closure caps can be rotated using tool, upper threaded closure caps 531 do not have
Buckle, for lower threaded closure caps 532 there are four buckle 5321, measuring device shell is fixed on lower threaded closure caps 532 by four card slots
On, also there are four buckles can be fixed on measuring device shell 562 in measuring device capping 561, in measuring device capping 561
There are one openings to be equipped with sensor 563, battery 565 and flexible printing electricity for fixing connector male connector inside device
Road plate 564；Sensor 563, battery 565 are all connected with flexible printed circuit board 564, draw on flexible printed circuit board 564
Conducting wire is connected with the connector male connector being fixed in measuring device capping 561, and connector male connector is connected with female.
When pumping unit works, sucker rod drives pump to move up and down in oil pick-up tube, and oil liquid, sucker rod one are full of in oil pick-up tube
In a stroke, such as during upper mention, the oil liquid on upper holder 541 is extruded, and can be accelerated by 541 upper end horn mouth
By the notch of lower end, and enter in rotary body 55, since the blade inside rotary body 55 exists, rotary body 55 rotates, blade
With 572 contact squeeze semicircle extrusion head 572 of semicircle extrusion head, semicircle extrusion head 572 squeezes piezo-electric crystal 571, in rotary course
In each piezo-electric crystal 571 experienced the process for squeezing-loosening, piezo-electric crystal 571 produce electricl energy be passed to by conducting wire it is soft
Property printed circuit board 564, have regulator rectifier circuit, management of charging and discharging circuit can be by alternation in flexible printed circuit board 564
Electric current be converted to direct current and be filled in battery 565, sensor 563 can be replaced according to test request, flexible printed circuit board
It is changed to corresponding transducing signal amplification, conditioning circuit in 564, is powered by battery 565, and store data in flexible print
In the memory of printed circuit board 564.
Pipe nipple 51 is connected with sucker rod, and pipe nipple 51 will have enough intensity, uses good structural carbon steel for raw material
It being fabricated, has and be not easy to get rusty, uncorruptible feature, shape is similar with box cupling, and length is slightly longer, and both ends are internal screw thread,
It can replace box cupling standard component.
Four buckles 5321 and lower threaded closure caps 532 are integrated, buckle 5321 and lower threaded closure caps
532, which can be plastics, is made.
Blade 551 and rotary body 55 inside the rotary body 55 are integrated, and with certain intensity and compared with
High-wearing feature, so that being worn in rotary course smaller.
Rubber closure diameter is more bigger than pipe nipple internal diameter once, and each through-hole of pipe nipple has been carried out waterproof by glue envelope and prevented
Oil processing can prevent the impurity such as extraneous oil liquid from entering inside pipe nipple.
Specific implementation example described herein only illustrates that spirit of the invention.Technology belonging to the present invention
The technical staff in field can do various modifications or additions to described specific implementation example or use similar side
Formula substitution, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. confessed under a kind of rod-pumped well based on piezo-electric crystal in electrical measurement, including pipe nipple and pipe nipple can and sucker rod
The internal screw thread of external screw thread cooperation, it is characterised in that: by pipe nipple, upper rubber closure, lower rubber closure, upper threaded closure caps, under
Threaded closure caps, buckle, upper holder, lower fixed frame, rotary body, rotary body blade, test device capping, test device shell,
Sensor, flexible printed circuit board, battery, piezo-electric generating block, piezo-electric crystal, semicircle extrusion head composition, pipe nipple are mounted on two
For substituting the effect of box cupling between root sucker rod, the both ends of pipe nipple are both provided with internal screw thread, can be outer with sucker rod rod end
It is threadedly engaged；10~20 axial grooves are uniformly milled out in pipe nipple outer circle, are evenly distributed with 4~8 pieces of piezo-electric generating blocks in per pass slot, every piece
Piezo-electric generating block is bonded by semicircle extrusion head and piezo-electric crystal, and piezo-electric generating block is fixed on pipe nipple slot by way of bonding
On；There are also a series of aperture on pipe nipple, these apertures are in the lower section of every piece of piezo-electric generating block, so that piezo-electric crystal power generation two
The conducting wire that pole is drawn can enter inside pipe nipple, and connector female is made in all wire connecting ends；Upper lower fixed frame is covered short
Section is outer and is fixed by screws on pipe nipple, and rotary body is covered on pipe nipple and is clipped between two fixed frames up and down and there are one
Fixed gap has milled out the blade of spiral on rotary body inner wall, and the end of blade presses semicircle extrusion head, the rotation when liquid passes through
Swivel can be rotated around pipe nipple.
2. confessing electrical measurement under a kind of rod-pumped well based on piezo-electric crystal as described in claim 1, it is characterised in that:
There is rectangular aperture in threaded closure caps, threaded closure caps can be rotated using tool, upper threaded closure caps do not buckle, lower threaded closure caps
There are four buckles, and measuring device shell is fixed in lower threaded closure caps by four card slots, measuring device cover also there are four
Buckle can be fixed on measuring device shell, and measuring device capping is upper there are one being open, and for fixing connector male connector, be filled
It sets inside and sensor, battery and flexible printed circuit board is installed；Sensor, battery all with flexible printed circuit board phase
Even, extraction wire is connected with the connector male connector being fixed in measuring device capping on flexible printed circuit board.
3. confessing electrical measurement under a kind of rod-pumped well based on piezo-electric crystal as claimed in claim 2, it is characterised in that:
Pipe nipple outer surface mills out longitudinal slot, and surface array is bonded piezo-electric crystal, semicircle extrusion head, piezo crystals are bonded on piezo-electric crystal
The electrode of body is connected to thin wire, and thin wire accesses pipe nipple interior of shell by the aperture on boss.
4. confessing electrical measurement under a kind of rod-pumped well based on piezo-electric crystal as described in claim 1, it is characterised in that:
Fixed frame opening is up big and down small horn mouth, and bell-mouthed big mouth is towards sucker rod, in sucker rod process of rising or falling,
The oil liquid speed for flowing through rotary body can be made to accelerate, fixed frame is covered on pipe nipple and is fixed by screws on pipe nipple, fixed frame
It is divided into two up and down, is symmetrically installed.
5. confessing electrical measurement under a kind of rod-pumped well based on piezo-electric crystal as described in claim 1, it is characterised in that:
The blade of spiral is milled out on rotary body inner wall, the end of blade presses semicircle extrusion head, and rotary body can when liquid passes through
To rotate around pipe nipple, blade can alternately squeeze semicircle extrusion head in rotary course and generate charge to squeeze piezo-electric crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266521.6A CN109138980A (en) | 2018-10-29 | 2018-10-29 | Electrical measurement is confessed under a kind of rod-pumped well based on piezo-electric crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266521.6A CN109138980A (en) | 2018-10-29 | 2018-10-29 | Electrical measurement is confessed under a kind of rod-pumped well based on piezo-electric crystal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109138980A true CN109138980A (en) | 2019-01-04 |
Family
ID=64806489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811266521.6A Withdrawn CN109138980A (en) | 2018-10-29 | 2018-10-29 | Electrical measurement is confessed under a kind of rod-pumped well based on piezo-electric crystal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138980A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117081428A (en) * | 2023-10-18 | 2023-11-17 | 西安石油大学 | Energy recovery device of special rotary drill rod |
-
2018
- 2018-10-29 CN CN201811266521.6A patent/CN109138980A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117081428A (en) * | 2023-10-18 | 2023-11-17 | 西安石油大学 | Energy recovery device of special rotary drill rod |
| CN117081428B (en) * | 2023-10-18 | 2024-03-12 | 西安石油大学 | Energy recovery device of special rotary drill rod |
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Application publication date: 20190104 |
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