CN103061742A - Method and layered tester for continuously testing rate of multilayer flow - Google Patents
Method and layered tester for continuously testing rate of multilayer flow Download PDFInfo
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- CN103061742A CN103061742A CN2013100154147A CN201310015414A CN103061742A CN 103061742 A CN103061742 A CN 103061742A CN 2013100154147 A CN2013100154147 A CN 2013100154147A CN 201310015414 A CN201310015414 A CN 201310015414A CN 103061742 A CN103061742 A CN 103061742A
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Abstract
The invention discloses a method and a layered tester for continuously testing the rate of multilayer flow, and relates to the technical field of tests for rates, pressures and temperatures of layered flow of water injection wells of oil fields. The layered tester for continuously testing the rate of the multilayer flow sequentially comprises a fishing head, an outflow flow meter, a flow-concentrating flow meter, a self-sealing section and a positioner from top to bottom. The layered tester for the rate of the flow is positioned in a packing water distribution device at one step after descending in a well, a total water injection rate Q<12> of two adjacent oil reservoirs and a water injection rate Q<2> of the lower oil reservoir of the two adjacent oil reservoirs are respectively tested, and a water injection rate Q<1> of the upper oil reservoir is equal to the difference between the Q<12> and the Q<2>. The layered tester for the rate of the flow can complete testing the rate, the pressure and the temperature of the multilayer flow by being positioned from bottom to top in the packing water distribution device at one step after descending to the well, and the two oil reservoirs are tested by the layered tester for the rate of the flow after the layered tester descends into the well and then is positioned in the packing water distribution device at one step. The method and the layered tester have the advantages that the rate, the pressure and the temperature of near-distance layered flow can be tested during subdivision water injection for a plurality of thin sandwich layers, and the testing accuracy and the distribution efficiency are improved.
Description
Technical field
The present invention relates to the technical field of measurement and test of a kind of water injection well in oil fields zonal flow rate, pressure and temperature.
Background technology
Now use in routine, the bridge-type eccentric distribution well, one deck once can only be tested in the tester location, such as bridge-type eccentric testing, injection-recovery apparatus (application number 00103418.9), during multi-layer testing, need " many seal sections with instrument are successively thrown in from top to bottom; successively take out from top to bottom after zonal testing is complete, explain after the data playback ".Such as diversion double-layer eccentric water distribution device (patent No. ZL 200520021400.7), combine the measuring technology of concentric integrated technique, be divided into two cover testers, successively throw in from top to bottom, successively take out from top to bottom, once finish the independent flow of 2 ~ 4 intervals, pressure test, greatly increased the input cost of instrument and equipment.
From the testing feature analysis, these technology have changed the eccentric testing mode, are not the eccentric separated-injection test technologies on the absolute sense.
Summary of the invention
The present invention seeks to propose a kind of multilayer flow continuous test method not changing under the front topic that has eccentric zonal testing mode now.
In packer water distribution device, locate once after the stratified flow rate test device is gone into the well, record respectively total water injection rate Q of adjacent two layers oil reservoir
12Water injection rate Q with lower floor's oil reservoir in the described adjacent two layers oil reservoir
2, with Q
12-Q
2Be the at the middle and upper levels water injection rate Q of oil reservoir of described adjacent two layers oil reservoir
1
The present invention is under the prerequisite that does not change existing eccentric zonal testing mode: the multilayer flow is once namely finished in the location to the stratified flow rate test device in packer water distribution device from top to bottom, pressure and temperature is tested; In packer water distribution device, locate after the stratified flow rate test device is gone into the well and once namely test two layers.Lesser calorie when having solved a plurality of short lap subdivision injection has improved test accuracy rate and allotment efficient apart from zonal flow rate, pressure and temperature test problem.
Another purpose of the present invention is a kind of multilayer flow follow-on test zonal testing device of design.
Multilayer flow follow-on test includes fishing head, outer-flowing type flow meter, packer flowmeter, self-styled seal section and locator from top to bottom with the zonal testing device; Described fishing head, outer-flowing type flow meter, packer flowmeter interconnect successively, be provided with outflow probe and temperature, pressure probe at described outer-flowing type flow meter, arrange at packer flowmeter and to be communicated in the inner chamber of packer flowmeter and the side inlet hole in the outside, in the inner chamber of packer flowmeter the afflux probe is set; Described self-styled seal section is provided with the upper end and is the sealing central tube at the end for opening, lower end, open section sidewall at central tube is offered side down hole, the open section of described central tube is communicated with the inner chamber of packer flowmeter, the upper end of central tube is connected with the lower end Luo line of packer flowmeter, be fixedly connected with the interior dynamic pressure cover that centre bore is set in the upper end of locator, the lower end of described central tube is axially in the slideable centre bore that is arranged in described dynamic pressure cover; Spacing outside the central tube between dynamic pressure cover and packer flowmeter have an extrusion type sealed assembly, on the extrusion type sealed assembly flowing hole is set, and flowing hole is communicated with the side down hole of central tube.
The present invention and packer water distribution device are used, utilize the integrated of two flow meters and self-styled seal section and locating detent, can in oil pipe, hang test, can verify the sealing situation of tubing string between two measuring points simultaneously.Do not affect other layer water filling when the present invention realizes testing certain layer, improve test accuracy, also can keep conventional eccentric technique the blanking plug pulling, optimized the configuration of layering tubing string, simplified the zonal testing mode of the dispensing techniques such as conventional off-centre, bridge-type eccentric comprehensively.
Extrusion type sealed assembly of the present invention comprises the upper and lower moving retaining ring of arranging along the central tube length direction, in upper and lower moving retaining ring, arrange respectively extrusion type sealed, between upper and lower moving retaining ring, be fixedly connected with sliding sleeve, described flowing hole is arranged on the described sliding sleeve, described upper and lower moving retaining ring and sliding sleeve are nested with respectively outside central tube, between the sliding sleeve of both sides and the central tube sealing ring are set about described flowing hole.
In order to guarantee the accuracy of outer-flowing type testing flow meter, the present invention also connects centralizer in described locator lower end.
Description of drawings
Schematic diagram when accompanying drawing 1 is zonal testing device assignment test.
Accompanying drawing 2 is the structural representation that multilayer flow follow-on test is used the zonal testing device.
Accompanying drawing 3 is multilayer flow continuous test method schematic diagram.
The specific embodiment
Among Fig. 1: downhole packing water distribution assembly is made of sleeve pipe 6, packer water distribution device 7 etc.; The sieve aperture 6-1 that arranges on the sleeve pipe 6 is communicated with oil reservoir 1, and the sieve aperture 6-2 that arranges on the sleeve pipe 6 is communicated with oil reservoir 2.Be provided with packing rubber sleeve 7-1, accessory channel 7-2, positioning step 7-3, upper inlet opening 7-5, upper water-out hole 7-4, lower inlet opening 7-6, lower weep hole 7-7 in the packer water distribution device 7, at packer water distribution device 7 interior eccentric settings blanking plug 8 arranged.
Among Fig. 2: multilayer flow follow-on test includes fishing head 1, outer-flowing type flow meter 2, packer flowmeter 3, self-styled seal section 4, locator 5 and centralizer 8 from top to bottom with the zonal testing device; Fishing head 1, outer-flowing type flow meter 2, packer flowmeter 3 interconnect successively, and the upper end of centralizer 8 is threaded in the lower end of locator 5.
Be provided with outflow probe 2-1 and temperature, pressure probe 2-2 at outer-flowing type flow meter 2 outer walls, be communicated in the inner chamber 3-3 of packer flowmeter 3 and the side inlet hole 3-1 in the outside in packer flowmeter 3 settings, in the inner chamber 3-3 of packer flowmeter 3 afflux probe 3-2 be set.
Self-styled seal section 4 is provided with the upper end and is the sealing central tube 4-1 at the end for opening, lower end, open section sidewall at central tube 4-1 is offered side down hole 4-3, the open section of central tube 4-1 is communicated with the inner chamber of packer flowmeter 3, and the upper end of central tube 4-1 is connected with the lower end Luo line of packer flowmeter 3.
Be threaded with the dynamic pressure cover 4-6 that centre bore is set in the upper end of locator 5, the lower end of central tube 4-1 is axially in the slideable centre bore that is arranged in dynamic pressure cover 4-6.Spacing outside the central tube 4-1 between dynamic pressure cover 4-6 and packer flowmeter 3 have an extrusion type sealed assembly.
Extrusion type sealed assembly comprises upper moving retaining ring 4-8 and the lower moving retaining ring 4-5 that arranges along central tube 4-1 length direction, in upper moving retaining ring 4-8 and lower moving retaining ring 4-5, extrusion type sealed ring 4-2 and 4-9 are set respectively, be fixedly connected with sliding sleeve 4-4 by screw thread between upper moving retaining ring 4-8 and lower moving retaining ring 4-5,4-4 offers flowing hole 4-7 on sliding sleeve.Upper moving retaining ring 4-8, lower moving retaining ring 4-5 and sliding sleeve 4-4 are nested with respectively outside central tube 4-1, between the sliding sleeve 4-4 of both sides and the central tube 4-1 sealing ring 4-10 and 4-11 are set about flowing hole 4-7.
Flowing hole 4-7 is communicated with the side down hole 4-3 of central tube 4-1.
Self-styled seal section 4 principle of compositionalities: seal section is when freedom or suspension status, and the external diameter of joint ring 4-2 and 4-9 maintains the original state; Positioning step 7-3 is upper, central tube 4-1 is descending when the locating detent 5-2 of locator 5 is supported on, the weight of top tester is overlapped 4-6, upper moving retaining ring 4-8 and lower moving retaining ring 4-5 and sliding sleeve 4-4 by dynamic pressure be delivered on joint ring 4-2 and the 4-9, the distortion of joint ring 4-2 and 4-9 external diameter is increased and be adjacent to fitting face.Its advantage is: self-sealing seal section 4 about the little 1mm of endoporus than packer water distribution device 7, is convenient to self-styled seal section by the endoporus of packer water distribution device 7 when freedom or suspension status.
Locator 5 is provided with the limited step 5-1 for the lower end of restriction central tube 4-1, also is provided with resetting of locating detent 5-2 and locating detent and discharges piece 5-3.
Among Fig. 3: six layers of laminated distributor under well tubing string of Pyatyi mainly are made of 7, two packers of three packer water distribution devices and a ball-and-seat; Packer water distribution device 7 is followed successively by from top to bottom envelope and joins that I, envelope are joined II, envelope is joined III; Packer is followed successively by packer I, packer II from top to bottom.
Zonal testing principle: by shown in Figure 1, when multilayer flow follow-on test is positioned at positioning step 7-3 in the packer water distribution device 7 with the locating detent 5-2 of zonal testing device by locator 5 on, joint ring 4-2 on the self-styled seal section 4 and 4-9 are to the seal isolation effect of playing up and down of lower inlet opening 7-6 simultaneously, and multilayer flow follow-on test is communicated with the lower inlet opening 7-6 of packer water distribution device 7 by flowing hole 4-7 with the direction finding hole 4-3 on the zonal testing device.At this moment, the Shui Yilu that injects between packer water distribution device 7 and multilayer flow follow-on test are with the zonal testing device is inner chamber 3-3 and the lower inlet opening 7-6 of the side inlet hole 3-1 on packer flowmeter 3, packer flowmeter 3 successively, enter oil reservoir 2 by lower weep hole 7-7, injection rate is by afflux probe 3-2 record.Another road injected water is through upper inlet opening 7-5, and 7-4 enters oil reservoir 1 by the upper water-out hole, and the water by the accessory channel 7-2 in the packer water distribution device 7 enters in this oil reservoir below packer water distribution device.The Total Water that injects between packer water distribution device 7 and multilayer flow follow-on test are with the zonal testing device is by outflow probe 2-1 record.
The assignment test step: the stratified flow rate test device directly arrives down packer water distribution device below 7, on when carrying mesopore by packer water distribution device 7, release piece 5-3 on the locator 5 has discharged locating detent 5-2, until the lower end of upper level packer water distribution device 7, transfer, the locating detent 5-2 on the locator 5 opens and is supported on being decided to be on the step 7-3 of packer water distribution device 7 again; Raise and decentralize successively respectively assignment test in a plurality of packer water distribution devices.
When as shown in Figure 3, carrying out the multilayer flow rate test as an example of six layers of layering tubing string of Pyatyi example:
⑴ stratified flow rate test device is positioned in the packer water distribution device III: the outer-flowing type flow meter measures Q
56,, packer flowmeter measures the flow Q of lower floor
6, upper strata flow Q
5=Q
56-Q
6
⑵ stratified flow rate test device is positioned in the packer water distribution device II: the outer-flowing type flow meter measures Q
3456, packer flowmeter measures the flow Q of lower floor
4, upper strata flow Q
3=Q
3456-Q
56-Q
4
⑶ stratified flow rate test device is positioned in the packer water distribution device I: the outer-flowing type flow meter measures Q
123456, packer flowmeter measures the flow Q of lower floor
2, upper strata flow Q
1=Q
123456-Q
3456-Q
2
Utilize the integrated of two flow meters and seal section, locating detent, the lesser calorie when having realized the short lap subdivision injection when joining I and sealing the minimum 16m of being in interval that joins III such as envelope, can be finished 6 interval zonal testings apart from zonal flow rate and pressure test problem.
Utilize the integrated of two flow meters and seal section, locating detent and centralizer, this flow rate test device can hang test; 1. be suspended on envelope join III with seal join II between, the outer-flowing type flow meter measures Q
562. be suspended on envelope join II with seal join I between, the outer-flowing type flow meter measures Q
34563. be suspended on envelope and join the upper end of I, the outer-flowing type flow meter measures Q
123456
Verify the sealing situation of tubing string between two measuring points, the flow rate test device be suspended near the well head that the outer-flowing type flow meter measures Q
123456, the test result of joining the upper end of I with envelope contrasts, the good seal of two test results identical (or approaching) tubing string, otherwise blow-by.
The effect of invention: the stratified flow rate test device from top to bottom, assignment test in packer water distribution device successively, every location once, the outer-flowing type flow meter measures and contains this measuring point following flow sum, packer flowmeter and measure the respective layer flow.
Lesser calorie when having solved the short lap subdivision injection when joining I and sealing the minimum 16m of being in interval that joins III such as envelope, can be finished six interval zonal testings apart from zonal flow rate and pressure test problem.
Claims (4)
1. multilayer flow continuous test method is located once in packer water distribution device after the stratified flow rate test device is gone into the well, and records respectively total water injection rate Q of adjacent two layers oil reservoir
12Water injection rate Q with lower floor's oil reservoir in the described adjacent two layers oil reservoir
2, with Q
12-Q
2Be the at the middle and upper levels water injection rate Q of oil reservoir of described adjacent two layers oil reservoir
1
2. multilayer flow follow-on test zonal testing device is characterized in that including fishing head, outer-flowing type flow meter, packer flowmeter, self-styled seal section and locator from top to bottom; Described fishing head, outer-flowing type flow meter, packer flowmeter interconnect successively, be provided with outflow probe and temperature, pressure probe at described outer-flowing type flow meter, arrange at packer flowmeter and to be communicated in the inner chamber of packer flowmeter and the side inlet hole in the outside, in the inner chamber of packer flowmeter the afflux probe is set; Described self-styled seal section is provided with the upper end and is the sealing central tube at the end for opening, lower end, open section sidewall at central tube is offered side down hole, the open section of described central tube is communicated with the inner chamber of packer flowmeter, the upper end of central tube is connected with the lower end Luo line of packer flowmeter, be fixedly connected with the interior dynamic pressure cover that centre bore is set in the upper end of locator, the lower end of described central tube is axially in the slideable centre bore that is arranged in described dynamic pressure cover; Spacing outside the central tube between dynamic pressure cover and packer flowmeter have an extrusion type sealed assembly, on the extrusion type sealed assembly flowing hole is set, and flowing hole is communicated with the side down hole of central tube.
3. described multilayer flow follow-on test zonal testing device according to claim 2, it is characterized in that described extrusion type sealed assembly comprises the upper and lower moving retaining ring of arranging along the central tube length direction, in upper and lower moving retaining ring, arrange respectively extrusion type sealed, between upper and lower moving retaining ring, be fixedly connected with sliding sleeve, described flowing hole is arranged on the described sliding sleeve, described upper and lower moving retaining ring and sliding sleeve are nested with respectively outside central tube, between the sliding sleeve of both sides and the central tube sealing ring are set about described flowing hole.
4. according to claim 2 or 3 described multilayer flow follow-on test zonal testing devices, it is characterized in that connecting in described locator lower end centralizer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015414.7A CN103061742B (en) | 2013-01-16 | 2013-01-16 | Multilayer flow follow-on test zonal testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015414.7A CN103061742B (en) | 2013-01-16 | 2013-01-16 | Multilayer flow follow-on test zonal testing device |
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| CN103061742A true CN103061742A (en) | 2013-04-24 |
| CN103061742B CN103061742B (en) | 2015-08-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107290011A (en) * | 2017-07-28 | 2017-10-24 | 中国矿业大学 | Integral type polymorphic type gas reservoir payzone air water contribution rate measurement apparatus |
| CN116877057A (en) * | 2023-09-05 | 2023-10-13 | 大庆信辰油田技术服务有限公司 | Oil-gas well optical fiber monitoring equipment and method |
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| CN101550822A (en) * | 2008-04-02 | 2009-10-07 | 贵州航天凯山石油仪器有限公司 | Method and device for improving accuracy of layered flow test of ultrasonic flowmeter for water injection well of oil field |
| CN101672179A (en) * | 2009-08-05 | 2010-03-17 | 阜新驰宇石油机械有限公司 | Intelligent synchronous testing and adjusting method capable of simultaneously infusing, testing and regulating |
| CN202500553U (en) * | 2012-01-29 | 2012-10-24 | 孙忠国 | Device for monitoring pressure and temperature in layered water injection |
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Patent Citations (4)
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| CN2321941Y (en) * | 1998-03-13 | 1999-06-02 | 刘成训 | Well testing vehicle dropping and fishing layered testing device |
| CN101550822A (en) * | 2008-04-02 | 2009-10-07 | 贵州航天凯山石油仪器有限公司 | Method and device for improving accuracy of layered flow test of ultrasonic flowmeter for water injection well of oil field |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107290011A (en) * | 2017-07-28 | 2017-10-24 | 中国矿业大学 | Integral type polymorphic type gas reservoir payzone air water contribution rate measurement apparatus |
| CN107290011B (en) * | 2017-07-28 | 2019-07-09 | 中国矿业大学 | Integral type polymorphic type gas reservoir payzone air water contribution rate measuring device |
| CN116877057A (en) * | 2023-09-05 | 2023-10-13 | 大庆信辰油田技术服务有限公司 | Oil-gas well optical fiber monitoring equipment and method |
| CN116877057B (en) * | 2023-09-05 | 2023-11-21 | 大庆信辰油田技术服务有限公司 | Oil-gas well optical fiber monitoring equipment and method |
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| CN103061742B (en) | 2015-08-05 |
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Inventor after: Shi Jianshe Inventor after: Gu Wenbin Inventor after: Zhu Yixing Inventor after: Li Yike Inventor after: Peng Taixiang Inventor after: Wang Shujun Inventor before: Shi Jianshe Inventor before: Gu Wenbin Inventor before: Zhu Yixing Inventor before: Peng Taixiang Inventor before: Wang Shujun |
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Free format text: CORRECT: INVENTOR; FROM: SHI JIANSHE GU WENBIN ZHU YIXING PENG TAIXIANG WANG SHUJUN TO: SHI JIANSHEGU WENBIN ZHU YIXING LI YIKE PENG TAIXIANG WANG SHUJUN |
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