CN201448106U - Three-parameter seal examining instrument - Google Patents
Three-parameter seal examining instrument Download PDFInfo
- Publication number
- CN201448106U CN201448106U CN2009200324471U CN200920032447U CN201448106U CN 201448106 U CN201448106 U CN 201448106U CN 2009200324471 U CN2009200324471 U CN 2009200324471U CN 200920032447 U CN200920032447 U CN 200920032447U CN 201448106 U CN201448106 U CN 201448106U
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- pressure sensor
- sensor
- inlet pipe
- water inlet
- ultrasonic probe
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Abstract
The utility model relates to a three-parameter seal examining instrument, overcoming the defect of low reliability of a seal examining instrument in the prior art. The three-parameter seal examining instrument comprises a rope cap, a joint and an upper centralizer which are sequentially connected, wherein the upper centralizer is internally provided with a battery power supply device; the battery power supply device is connected with a water inlet pipe in which a first ultrasonic probe and a second ultrasonic probe are sequentially arranged; the water inlet pipe is connected with a circuit protecting tube in a sealing manner, and the circuit protecting tube is internally provided with a circuit device; the lower end of the circuit protecting tube is connected with a sensor seat body in a sealing manner, and the sensor seat body is internally and respectively provided with an upper pressure sensor, a lower pressure sensor and a temperature sensor, an upper pressure transmitting hole is arranged on the upper pressure sensor and is communicated with the upper pressure sensor, and a lower pressure transmitting channel is arranged on the lower pressure sensor and is communicated with the lower pressure sensor. The utility model has the advantage of high reliability.
Description
Technical field
The utility model relates to a kind of three parameter seal-checking instruments.
Background technology
The water injection well in oil fields downhole packer causes the water filling failure along with the time can lose efficacy, and packer sealing is intact to be the guarantee of water filling success in the oilfield development process, and the effect of testing seal about packer quasi-instrument is exactly the checking sealing of packer state, instructs oil-field flooding work.
At present, domestic oil field, and what adopt is to test the seal pressure meter by what two single pressure sensors constituted, and the shortcoming of existence is: special-purpose throw in catcher must be arranged, and instrumentation complexity, reliability are not high.
Another kind of adopt dual pressure sensor test the seal pressure meter, the shortcoming of existence: its complex structure, and must using and the supporting special-purpose seal section of instrument, therefore, versatility is poor, reliability is not high, success rate is low.Greatest drawback is that it is to rely on to test envelope seal section shutoff eccentric injection mandrel main center hole seat envelope, can't verify that the reliability of also promptly testing the envelope card can't guarantee so test the reliability of envelope seal section seat envelope.
The utility model content
The technical problem of solution of the present utility model is to overcome the not high defective of seal-checking instrument reliability in the prior art.
Technical solution of the present utility model is:
A kind of three parameter seal-checking instruments, its special character is:
Comprise the rope socket, connector, the last centralizer that connect successively, wherein go up and be provided with battery powdered device in the centralizer; Battery powdered device is connected with water inlet pipe, wherein is disposed with first ultrasonic probe and second ultrasonic probe in the water inlet pipe; Water inlet pipe is sealedly connected with the circuit pillar, and circuit pillar inside is provided with circuit arrangement; Circuit pillar lower end is sealedly connected with the sensor pedestal, being provided with in the sensor pedestal has upward pressure sensor, lower pressure sensor and temperature pick up respectively, communicating with the upward pressure sensor is provided with pressure transmission hole, and communicating with lower pressure sensor is provided with down the pressure transmission passage.
Above-mentioned upward pressure sensor is communicated with the supernatant liquid of packer; Lower floor's fluid connection of described lower pressure sensor and packer.
The pressure transmission hole of above-mentioned pressure sensor is arranged at the side of two pressure measxurement sections; The pressure transmission passage of described lower pressure sensor is arranged at the below of two pressure measxurement sections.
First ultrasonic probe and second ultrasonic probe in the above-mentioned water inlet pipe are flow measuring sensor.
The sensor pedestal is connected with down centralizer.
A kind of three parameter seal-checking instruments, its special character is:
Comprise the rope socket, connector, last centralizer, the water inlet pipe that connect successively, wherein be disposed with first ultrasonic probe and second ultrasonic probe in the water inlet pipe; Water inlet pipe is sealedly connected with the circuit pillar, and circuit pillar inside is provided with battery powdered device and circuit arrangement; Circuit pillar lower end is sealedly connected with the sensor pedestal, being provided with in the sensor pedestal has upward pressure sensor, lower pressure sensor and temperature pick up respectively, communicating with the upward pressure sensor is provided with pressure transmission hole, and communicating with lower pressure sensor is provided with down the pressure transmission passage.
Above-mentioned upward pressure sensor is communicated with the supernatant liquid of packer; Lower floor's fluid connection of described lower pressure sensor and packer.
The pressure transmission hole of above-mentioned pressure sensor is to be arranged at the side of two pressure measxurement sections; The pressure transmission passage of described lower pressure sensor is to be arranged at the below of two pressure measxurement sections.
First ultrasonic probe and second ultrasonic probe in the above-mentioned water inlet pipe are flow measuring sensor.
The sensor pedestal is connected with down centralizer.
Advantage of the present utility model is:
1, layout is reasonable, and frame for movement is simple, is easy to safeguard.
2, the replacing of battery is very easy, and novel battery is installed in first centralizer, when carrying out battery altering at the scene, need not take instrument apart, is easy to safeguard.
3, versatility is good.Reasonable in design is applicable to the existing seal section in oil field, need not the seal section of configure dedicated.
4, apparatus structure flexible design can not tap into water pipe (flow probe part) and directly be used as two pressure instrument uses.When two pressure seal-checking instruments just can reach the measurement purpose, can not tap into water pipe (flow probe part), directly this instrument is used as two pressure seal-checking instruments and uses, need not buy two pressure seal-checking instruments more specially.Be the utility model to tap into water pipe (flow probe part) be three parameter seal-checking instruments, be two pressure seal-checking instruments when not connecing.
5, the ultrasonic wave measuring principle is adopted in the instrument flow measurement, does not have mechanical part wearing and tearing and the impaired problem of moveable element, is not subjected to down-hole liquid impurity and impacting with high pressure ambient influnence, and is stable and reliable for performance.
6, than similar seal-checking instrument device reliability height, success rate height.Because many flow parameters, make judge more accurate.
7, adopt lithium battery power supply, need not the manual discharge and activate, low in energy consumption, the working time is long.
8, be mainly used in water injection well in oil fields downhole packer state-detection, can be to the automatic measurement and the storage of downhole flow, pressure, temperature, the also dynamically flow of follow-on test down-hole, pressure, directly be connected by communication apparatus with computer, carry out communication, with the well yield gathered, pressure data playback process on computers, judge the downhole packer state and export the result according to flow, pressure data, show and print.Adopt the mass storage of expansion, energy safe storage Large Volume Data can satisfy repeatedly continuous operation and use.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 installs and uses schematic diagram for the utility model.
Description of reference numerals: the 1-rope socket, 2-upper binding head 2 is connected, the last centralizer of 3-, the 4-battery powdered device, 5-first ultrasonic probe, 6-water inlet pipe, 7-second ultrasonic probe, 8-circuit pillar, 9-circuit arrangement, 10-sensor pedestal, 11-upward pressure sensor, 12-upward pressure pressure transmission hole, 13-upward pressure sensor, 14-temperature pick up, 15-downforce pressure transmission passage, centralizer under the 16-, 17-helmet, 18-three parameter seal-checking instrument bodies, 19-flow measurement section, the two pressure measxurement sections of 20-, 21-packer, 22-seal section.
The specific embodiment
Three parameter seal-checking instruments are a kind of testing seal about packer flow, two pressure three parameter instruments of being used for. comprise the rope socket 1, connector 2, the last centralizer 3 that connect successively, wherein go up and be provided with battery powdered device 4 in the centralizer 3; Battery powdered device 4 is connected with water inlet pipe 6, wherein is disposed with first ultrasonic probe 5 and second ultrasonic probe 7 in the water inlet pipe 6; Water inlet pipe 6 is sealedly connected with circuit pillar 8, and circuit pillar 8 inside are provided with circuit arrangement 9; Circuit pillar 8 lower ends are sealedly connected with sensor pedestal 10, be provided with in the sensor pedestal 10 upward pressure sensor 11, lower pressure sensor 13 and temperature pick up 14 are arranged respectively, communicating with upward pressure sensor 11 is provided with pressure transmission hole 12, and communicating with lower pressure sensor 13 is provided with down pressure transmission passage 15.
Above-mentioned battery powdered device 4 also can be arranged in the circuit pillar 8, but interior for good to be arranged at centralizer 3, so that change battery, has saved the space of instrument internal again, has shortened the length of instrument.
First ultrasonic probe 5 and second ultrasonic probe 7 in the above-mentioned water inlet pipe 6 are flow measuring sensor.Adopt the sound wave measuring principle that flow is measured, do not have the wearing and tearing of mechanical part and the moveable element problem of being obstructed.
The utility model in use; the first step; at first give in the instrument and write operating schedule, connect instrument (because connector helmet 17 just plays the effect of protection connector screw thread when instrument is not worked, so do not connect down centralizer connector helmet 17) by schematic diagram 1 then by computer.Instrument is started working, will descend again centralizer 16 and seal section 22 connect (also can descend centralizer 16 according to field condition, need not descend under some hole condition centralizer also well retainer instrument or connect about the long bad operation of tool length behind the centralizer.Sensor pedestal 10 directly is connected with seal section 22).Circuit arrangement 9 is used for that upward pressure sensor 11, the lower pressure sensor 13 of drive installation in the sensor pedestal carries out pressure measxurement and temperature pick up 14 carries out temperature survey, also first ultrasonic probe 8 and second sonac 10 emissions of drive installation in water inlet pipe 9 are ultrasonic simultaneously, measure the ultrasonic wave phase difference that two probes receive then, can calculate fluid flow.
Second step was positioned over instrument in the water injection well through lubricator integral body by special steel wire,
As shown in Figure 2,22 of seal sections are sealed require packer 21 places of detecting, upward pressure sensor 11 is communicated with the supernatant liquid of packer 21, lower floor's fluid connection of lower pressure sensor 13 and packer 21.The pressure transmission hole 12 of pressure sensor 11 is good with the side that is arranged at two pressure measxurement sections 20; The pressure transmission passage 15 of lower pressure sensor 13 is good with the below that is arranged at two pressure measxurement sections 20.Flow measurement section is like this measured the flow in the pit shaft, and upward pressure sensor 11 is measured the pressure on packer 21 upper stratas, and lower pressure sensor 13 is measured the pressure of packer 21 lower floors, the temperature that temperature pick up 14 is measured in the pit shaft.Water injection well is by driving a well-closing well, and--the working system work of--driving a well---closing well that drives a well or closing well, three parameter seal-checking instruments are measured automatically and are stored downhole flow, pressure, temperature in real time.The sound wave measuring principle is adopted in the seal-checking instrument flow measurement, utilizes ultrasonic wave phase difference value measuring center flow velocity.Finish the detection that can continue next packer after the detection of a packer, instrument is proposed water injection well after all finishing detection.
In the 3rd step, instrument directly is connected with computer by communication apparatus, carries out communication, with the well yield gathered, pressure data playback process on computers, according to flow, pressure data judgement downhole packer state and export the result, the demonstration printing.
Claims (10)
1. a parameter seal-checking instrument is characterized in that: comprise the rope socket (1), connector (2), the last centralizer (3) that connect successively, wherein go up and be provided with battery powdered device (4) in the centralizer (3); Battery powdered device (4) is connected with water inlet pipe (6), wherein is disposed with first ultrasonic probe (5) and second ultrasonic probe (7) in the water inlet pipe (6); Water inlet pipe (6) is sealedly connected with circuit pillar (8), and circuit pillar (8) inside is provided with circuit arrangement (9); Circuit pillar (8) lower end is sealedly connected with sensor pedestal (10), be provided with in the sensor pedestal (10) upward pressure sensor (11), lower pressure sensor (13) and temperature pick up (14) are arranged respectively, communicating with upward pressure sensor (11) is provided with pressure transmission hole (12), and communicating with lower pressure sensor (13) is provided with down pressure transmission passage (15).
2. three parameter seal-checking instruments according to claim 1 is characterized in that: described upward pressure sensor (11) is communicated with the supernatant liquid of packer (21); Lower floor's fluid connection of described lower pressure sensor (13) and packer (21).
3. three parameter seal-checking instruments according to claim 1 and 2 is characterized in that: the pressure transmission hole (12) of described upward pressure sensor (11) is arranged at the side of two pressure measxurement sections (20); The pressure transmission passage (15) of described lower pressure sensor (13) is arranged at the below of two pressure measxurement sections (20).
4. three parameter seal-checking instruments according to claim 3 is characterized in that: first ultrasonic probe (5) and second ultrasonic probe (7) in the described water inlet pipe (6) are flow measuring sensor.
5. three parameter seal-checking instruments according to claim 4 is characterized in that: described sensor pedestal (10) is connected with down centralizer (16).
6. a parameter seal-checking instrument is characterized in that: comprise the rope socket (1), connector (2), last centralizer (3), the water inlet pipe (6) that connect successively, wherein be disposed with first ultrasonic probe (5) and second ultrasonic probe (7) in the water inlet pipe (6); Water inlet pipe (6) is sealedly connected with circuit pillar (8), and circuit pillar (8) inside is provided with battery powdered device (4) and circuit arrangement (9); Circuit pillar (8) lower end is sealedly connected with sensor pedestal (10), be provided with in the sensor pedestal (10) upward pressure sensor (11), lower pressure sensor (13) and temperature pick up (14) are arranged respectively, communicating with upward pressure sensor (11) is provided with pressure transmission hole 12, and communicating with lower pressure sensor (13) is provided with down pressure transmission passage (15).
7. three parameter seal-checking instruments according to claim 6 is characterized in that: described upward pressure sensor (11) is communicated with the supernatant liquid of packer (21); Lower floor's fluid connection of described lower pressure sensor 13 and packer (21).
8. three parameter seal-checking instruments according to claim 7 is characterized in that: the pressure transmission hole (12) of described upward pressure sensor (11) is to be arranged at the side of two pressure measxurement sections (20); The pressure transmission passage (15) of described lower pressure sensor (13) is to be arranged at the below of two pressure measxurement sections (20).
9. three parameter seal-checking instruments according to claim 8 is characterized in that: first ultrasonic probe (5) and second ultrasonic probe (7) in the described above-mentioned water inlet pipe (6) are flow measuring sensor.
10. three parameter seal-checking instruments according to claim 9 is characterized in that: described sensor pedestal (10) is connected with down centralizer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200324471U CN201448106U (en) | 2009-04-02 | 2009-04-02 | Three-parameter seal examining instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200324471U CN201448106U (en) | 2009-04-02 | 2009-04-02 | Three-parameter seal examining instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448106U true CN201448106U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200324471U Expired - Lifetime CN201448106U (en) | 2009-04-02 | 2009-04-02 | Three-parameter seal examining instrument |
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| CN (1) | CN201448106U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434146A (en) * | 2010-08-23 | 2012-05-02 | 普拉德研究及开发股份有限公司 | Complex tool for well monitoring |
| CN102996117A (en) * | 2012-12-20 | 2013-03-27 | 西安思坦仪器股份有限公司 | Heat-resistant gas injection multi-parameter logger |
| CN103162946A (en) * | 2011-12-12 | 2013-06-19 | 中国石油化工股份有限公司 | External casing packer simulation test device |
| CN104564034A (en) * | 2014-12-13 | 2015-04-29 | 贵州航天凯山石油仪器有限公司 | Sealing examining device and sealing examining method for bridge offset well |
| CN103225503B (en) * | 2013-04-02 | 2015-09-09 | 中国石油天然气股份有限公司 | High-pressure seal checking instrument for separate-layer water injection |
| CN109723427A (en) * | 2018-12-27 | 2019-05-07 | 贵州航天凯山石油仪器有限公司 | It is a kind of can underground separation packer detecting device and method |
-
2009
- 2009-04-02 CN CN2009200324471U patent/CN201448106U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434146A (en) * | 2010-08-23 | 2012-05-02 | 普拉德研究及开发股份有限公司 | Complex tool for well monitoring |
| CN102434146B (en) * | 2010-08-23 | 2016-08-24 | 普拉德研究及开发股份有限公司 | Complex tool for well monitoring |
| CN103162946A (en) * | 2011-12-12 | 2013-06-19 | 中国石油化工股份有限公司 | External casing packer simulation test device |
| CN102996117A (en) * | 2012-12-20 | 2013-03-27 | 西安思坦仪器股份有限公司 | Heat-resistant gas injection multi-parameter logger |
| CN103225503B (en) * | 2013-04-02 | 2015-09-09 | 中国石油天然气股份有限公司 | High-pressure seal checking instrument for separate-layer water injection |
| CN104564034A (en) * | 2014-12-13 | 2015-04-29 | 贵州航天凯山石油仪器有限公司 | Sealing examining device and sealing examining method for bridge offset well |
| CN109723427A (en) * | 2018-12-27 | 2019-05-07 | 贵州航天凯山石油仪器有限公司 | It is a kind of can underground separation packer detecting device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100505 |
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| CX01 | Expiry of patent term |