CN102031967A - Layered flow test method and flow regulator used in same - Google Patents
Layered flow test method and flow regulator used in same Download PDFInfo
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- CN102031967A CN102031967A CN2009103077273A CN200910307727A CN102031967A CN 102031967 A CN102031967 A CN 102031967A CN 2009103077273 A CN2009103077273 A CN 2009103077273A CN 200910307727 A CN200910307727 A CN 200910307727A CN 102031967 A CN102031967 A CN 102031967A
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Abstract
The invention discloses a layered flow test method and a flow regulator used in the same. The method comprises the following steps: arranging flow test units respectively on two ends of an eccentric water distributor of an oil field; and calculating the layered flow value of the position at which the water distributor is located by testing the flow values of the positions at which the two flow test units are located at the same time. In the flow regulator, the two flow test units controlled by a single-chip microprocessor (3) are respectively arranged on two ends of a flow regulating unit (2). By utilizing the test method and the flow regulator provided by the invention, the problem of timeliness of test results in the prior art is overcome, thus realizing more convenient test and more accurate results. The method provided by the invention is not restricted by the type of the water distributor, namely, either a common eccentric water distributor or a bridge eccentric water distributor can be used in accurate test and regulation, thus achieving good universality; and meanwhile the common eccentric water distributor in service does not need to be replaced, thus saving a large amount of money. The flow regulator provided by the invention has the advantages of simple structure and low manufacture cost, thus being favorable for wide popularization and application.
Description
Technical field
The present invention relates to a kind of flow rate test method and device, particularly relate to a kind of water injection well in oil fields stratified flow rate method for testing and used flow regulator, belong to the water injection well in oil fields water injection rate and regulate the control technology field automatically.
Background technology
Prior art all is to adopt a flow rate test unit to test when water injection well in oil fields is carried out stratified flow rate test.Its method is: test the flow at the common eccentric injection mandrel two ends that are installed in the water injection well in oil fields respectively with a flow rate test unit, calculate the water injection rate of this layer again by twice test structure.It is ageing that the shortcoming of this method is that test result exists, if test the flow of injection well downhole flow regulator below earlier, and then the flow of test injection well downhole flow regulator top, when after testing injection well downhole flow regulator below flow, testing injection well downhole flow regulator top flow again, the flow of injection well downhole flow regulator top has not been the flow value of test injection well downhole flow regulator below flow synchronization, and then the water filling value that uses twice test result to calculate can produce very big test error.This error is being carried out water yield adjusting, when causing pressure to change, shows especially obvious.In order to overcome the test error that said method causes, occurred a kind of custom-designed bridge-type eccentric injection well downhole flow regulator at present, adopted the bridge-type eccentric injection well downhole flow regulator can only on the bridge-type eccentric injection well downhole flow regulator, once directly test out the water injection rate of measured layer with a flow rate test unit.But this custom-designed bridge-type eccentric injection well downhole flow regulator costs an arm and a leg, if all water injection wells to the oil field are transformed, all change the bridge-type eccentric injection well downhole flow regulator, need huge fund input, can not popularize use, limit and adopted the bridge-type eccentric injection well downhole flow regulator to carry out the popularization on a large scale of water injection rate test.
Summary of the invention
The objective of the invention is to, a kind of new stratified flow rate method for testing is provided and implements the used flow regulator of this method.Method of the present invention is applicable to the flow of common eccentric injection mandrel of test or bridge-type eccentric injection well downhole flow regulator, and versatility is good.Needn't change for existing common eccentric injection mandrel, can save huge fund input.Apparatus structure of the present invention is simple, and cost of manufacture is low, helps popularizing use on a large scale.
Technical scheme of the present invention: a kind of stratified flow rate method for testing, this method are that a flow rate test unit is respectively arranged at the two ends of the injection well downhole flow regulator in water injection well in oil fields; By testing the flow value of present position, two flow rate test unit simultaneously, calculate the stratified flow value of injection well downhole flow regulator position.
In the above-mentioned stratified flow rate method for testing, described two flow rate test unit carry out flow rate test in the non-collective flow mode.
In the aforesaid stratified flow rate method for testing, described two flow rate test unit adopt turbine, ultrasonic wave or Electromagnetic Flow test philosophy to finish flow rate test.
Implement the used flow regulator of aforementioned stratified flow rate method for testing, comprise and survey pipe, survey in the pipe and be provided with flow regulating unit, be provided with single-chip microcomputer in the flow regulating unit, survey the pipe upper end and be provided with the flow rate test unit, survey the pipe lower end and be provided with the down-off test cell, single-chip microcomputer is electrically connected with flow regulating unit, last flow rate test unit and down-off test cell respectively.
In the above-mentioned flow regulator, described survey length of tube is surveyed pipe and is provided with support greater than 1.2 meters, and flow regulating unit is located in the survey pipe at 0.2～0.4 meter, support top.
In the aforesaid flow regulator, described support is hinged with the survey pipe.
In the aforesaid flow regulator, the described flow rate test unit of going up is provided with centralizer; Described down-off test cell is provided with down centralizer.
Compared with prior art, the present invention is because a flow rate test unit is respectively arranged at the injection well downhole flow regulator two ends in water injection well in oil fields; By testing the flow value of present position, two flow rate test unit simultaneously, calculate the stratified flow value of injection well downhole flow regulator position.Overcome that there is ageing problem in test result in the prior art, made test more convenient, the result is more accurate.Method of the present invention is not subjected to the restriction of injection well downhole flow regulator type, no matter is that common eccentric injection mandrel or bridge-type eccentric injection well downhole flow regulator can accurately be tested and regulate, and versatility is good.So needn't change for the common eccentric injection mandrel that is now using, can save huge fund input.Apparatus structure of the present invention is simple, and cost of manufacture is low, helps popularizing use on a large scale.
Fig. 1 is the used flow regulator structural representation of method of the present invention.
Being labeled as in the accompanying drawing: 1-surveys pipe, 2-flow regulating unit, 3-single-chip microcomputer, the last flow rate test of 4-unit, 5-down-off test cell, 6-support, the last centralizer of 7-, centralizer under the 8-, 9-injection well downhole flow regulator.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but not as any limitation of the invention foundation.
Embodiment.A kind of stratified flow rate method for testing and used flow regulator are as shown in Figure 1.Its method is respectively to arrange a flow rate test unit at the two ends of oil field eccentric injection mandrel; By test the flow value of present position, two flow rate test unit simultaneously in the non-collective flow mode, calculate the stratified flow value of injection well downhole flow regulator position.Two flow rate test unit adopt turbine, ultrasonic wave or Electromagnetic Flow test philosophy to finish flow rate test.Specific practice is: arrange two flow rate test unit on an instrument, a flow rate test unit is tested above injection well downhole flow regulator, and another flow rate test unit is tested below injection well downhole flow regulator.Subtract each other by the flow value that two flow rate test unit are tested simultaneously, obtain injection well downhole flow regulator stratified flow value at that time.Because oil pipe and injection well downhole flow regulator centre bore are coaxial, and the oil pipe endoporus is the regular circular pipeline, so the flow rate test mode is selected the non-collective flow test mode for use.The test philosophy of two flow rate test unit can be flow rate test principles such as turbine, ultrasonic wave, electromagnetism.
Implement the used flow regulator of method of the present invention as shown in Figure 1.This device comprises surveys pipe 1, surveys pipe 1 length greater than 1.2 meters, surveys pipe 1 and is provided with support 6, and support 6 is with to survey pipe 1 hinged, flow regulating unit 2 is installed in the survey pipe 1 at 0.2～0.4 meter above outside support 6 is hinged.Be provided with single-chip microcomputer 3 in the flow regulating unit 2, survey pipe 1 upper end and be provided with flow rate test unit 4, survey pipe 1 lower end and be provided with down-off test cell 5, single-chip microcomputer 3 is respectively with flow regulating unit 2, upward flow rate test unit 4 and down-off test cell 5 are electrically connected.Last flow rate test unit 4 is provided with centralizer 7; Described down-off test cell 5 is provided with down centralizer 8.
The present invention puts into water injection well in oil fields with measuring staff 1 when test, when putting into, support 6 is drawn in, decontrols support 6 after support 6 is crossed injection well downhole flow regulator 9 upper port, and support 6 is supported in the water injection well.At this moment, last flow rate test unit 4 on the measuring staff 1 was positioned at the upper end of injection well downhole flow regulator 9 just now, down-off test cell 5 on the measuring staff 1 was positioned at the lower end of injection well downhole flow regulator 9 just now, flow regulating unit 2 in the measuring staff 1 was arranged in the endoporus of injection well downhole flow regulator 9 just now, and flow regulating unit 2 is the main bodys for water-quantity regulating device.Establish single-chip microcomputer 3 in the flow regulating unit 2, single-chip microcomputer 3 is electrically connected with flow regulating unit 2, last flow rate test unit 4 and down-off test cell 5 respectively.Carry out flow rate test simultaneously by last flow rate test unit 4 of 3 controls of the single-chip microcomputers in the flow regulating unit 2 and down-off test cell 5, and carry out Flow-rate adjustment according to the difference of both test traffics.In order to make measuring staff 1 put into or pull out water injection well in oil fields smoothly, on last flow rate test unit 4 and down-off test cell 5, be respectively equipped with centralizer 7 and following centralizer 8, play guiding and set upright measuring staff 1.
Claims (7)
1. stratified flow rate method for testing, it is characterized in that: this method is that a flow rate test unit is respectively arranged at the injection well downhole flow regulator two ends in water injection well in oil fields; By testing the flow value of present position, two flow rate test unit simultaneously, calculate the stratified flow value of injection well downhole flow regulator position.
2. stratified flow rate method for testing according to claim 1 is characterized in that: described two flow rate test unit carry out flow rate test in the non-collective flow mode.
3. stratified flow rate method for testing according to claim 2 is characterized in that: described two flow rate test unit adopt turbine, ultrasonic wave or Electromagnetic Flow test philosophy to finish flow rate test.
4. flow regulator that is used for the arbitrary described method of claim 1 to 3, comprise and survey pipe (1), it is characterized in that: survey in the pipe (1) and be provided with flow regulating unit (2), be provided with single-chip microcomputer (3) in the flow regulating unit (2), survey pipe (1) upper end and be provided with flow rate test unit (4), survey pipe (1) lower end and be provided with down-off test cell (5), single-chip microcomputer (3) is electrically connected with flow regulating unit (2), last flow rate test unit (4) and down-off test cell (5) respectively.
5. flow regulator according to claim 4 is characterized in that: described survey pipe (1) length is surveyed pipe (1) and is provided with support (6) greater than 1.2 meter, and flow regulating unit (2) is located in the survey pipe (1) at 0.2～0.4 meter, support (6) top.
6. flow regulator according to claim 7 is characterized in that: described support (6) is hinged with survey pipe (1).
7. flow regulator according to claim 4 is characterized in that: the described flow rate test unit (4) of going up is provided with centralizer (7); Described down-off test cell (5) is provided with down centralizer (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910307727.3A CN102031967B (en) | 2009-09-25 | 2009-09-25 | Layered flow test method and flow regulator used in same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910307727.3A CN102031967B (en) | 2009-09-25 | 2009-09-25 | Layered flow test method and flow regulator used in same |
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| Publication Number | Publication Date |
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| CN102031967A true CN102031967A (en) | 2011-04-27 |
| CN102031967B CN102031967B (en) | 2015-03-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777158A (en) * | 2012-07-06 | 2012-11-14 | 西南石油大学 | Testing and adjusting linkage system and operating process thereof |
| 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 |
| CN108590604A (en) * | 2018-05-23 | 2018-09-28 | 四川省科学城久利电子有限责任公司 | It is a kind of to set structure without the afflux of bridge eccentric injection mandrel for the small flow in oil field |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777158A (en) * | 2012-07-06 | 2012-11-14 | 西南石油大学 | Testing and adjusting linkage system and operating process thereof |
| CN102777158B (en) * | 2012-07-06 | 2014-09-10 | 西南石油大学 | Testing and adjusting linkage system and operating process thereof |
| 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 |
| CN108590604A (en) * | 2018-05-23 | 2018-09-28 | 四川省科学城久利电子有限责任公司 | It is a kind of to set structure without the afflux of bridge eccentric injection mandrel for the small flow in oil field |
| CN108590604B (en) * | 2018-05-23 | 2021-03-02 | 四川省科学城久利电子有限责任公司 | Flow-collecting setting structure for small-flow bridge-free eccentric water distributor of oil field |
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| CN102031967B (en) | 2015-03-18 |
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