CN202031570U - Plugging-type pressure differential flowmeter - Google Patents
Plugging-type pressure differential flowmeter Download PDFInfo
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- CN202031570U CN202031570U CN2011201643698U CN201120164369U CN202031570U CN 202031570 U CN202031570 U CN 202031570U CN 2011201643698 U CN2011201643698 U CN 2011201643698U CN 201120164369 U CN201120164369 U CN 201120164369U CN 202031570 U CN202031570 U CN 202031570U
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Abstract
The utility model relates to a plugging-type pressure differential flowmeter, which mainly solves the problem that single zone injection flow, oil pipe pressure and stratum pressure cannot be simultaneously acquired by a traditional water injection underground flowmeter under a water injection state. The plugging-type pressure differential flowmeter is characterized in that an oil pipe pressure sensor (1) and a pressure differential sensor (2) are arranged in the cavity at the upper end of an upper main body (6); the upper main bodies (6) at the upper ends of the oil pipe pressure sensor (1) and the pressure differential sensor (2) are respectively provided with an oil pipe pressure transfer hole (7); the upper main body (6) at the lower end of the pressure differential sensor (2) is provided with a stratum pressure transfer hole (8); a circuit board (3), a communication joint (4) and a battery (5) are arranged in the closed battery tube at the upper end of a lower main body (9) from top to bottom; and the upper end of the through hole of a ceramic water nozzle (10) in the lower end of the lower main body (9) is provided with a reverse cut-off ball (11). The plugging-type pressure differential flowmeter has the characteristics that the data of the single zone injection flow, the oil pipe pressure and the stratum pressure are tested and recorded under a normal water injection state.
Description
Technical field
The utility model relates to oil field oil recovery field water filling used flow meter, especially blocking type differential pressure flowmeter.
Background technology
In oil recovery field, oil field, in order to improve recovery ratio, need be to the stratum water filling.In the injecting process, need situation quantitative injection according to each stratum.And individual layer injection flow, tubing pressure and strata pressure are to get by water injection well down-off instrumentation.And existing water filling downhole flowmeter is because during the reasons in structure test, requirement stops to obtain flow when tubing pressure and strata pressure or water filling are obtained in water filling and can't obtain tubing pressure and strata pressure simultaneously, thereby can't accurately understand the stratum water absorption character, thereby accurately allocate water injection rate, influence water-injection efficiency, finally reduce recovery ratio.Individual layer injects flow, tubing pressure and strata pressure, thereby influences water-injection efficiency, finally reduces recovery ratio.
Summary of the invention
Under the water filling state, obtain the problem that individual layer injects flow, tubing pressure and strata pressure simultaneously in order to solve existing water filling downhole flowmeter.The utility model provides a kind of blocking type differential pressure flowmeter.This blocking type differential pressure flowmeter has test and the injection of record individual layer flow, tubing pressure and strata pressure under normal water filling state, fetches playback of data behind the ground, can accurately analyze the characteristics of stratum suction.
The technical solution of the utility model is: this blocking type differential pressure flowmeter comprises tubing pressure sensor, differential pressure pickup, circuit board, communication joint, battery and goes up main body.Be built-in with the tubing pressure sensor in chamber, last main body upper end, the last main cavity of tubing pressure sensor lower end is built-in with differential pressure pickup, have respectively on the last main body on tubing pressure sensor upper end and the differential pressure pickup with oil pipe in the tubing pressure pressure transmission hole that communicates, the strata pressure pressure transmission hole that communicates with the stratum is arranged on the last main body of differential pressure pickup lower end, be equipped with circuit board, communication joint and battery from top to bottom in the enclosed cell tube of following main body upper end, following main body lower end is built-in with ceramic water nozzle, and the through hole upper end of ceramic water nozzle is equipped with the ball that oppositely dams.
The utlity model has following beneficial effect: this blocking type differential pressure flowmeter is because employing is built-in with tubing pressure sensor and differential pressure pickup in chamber, last main body upper end, on the last main body of tubing pressure sensor and differential pressure pickup upper end the tubing pressure pressure transmission hole is arranged respectively, on the last main body of differential pressure pickup lower end the strata pressure pressure transmission hole is arranged, be equipped with circuit board, communication joint and battery from top to bottom in the enclosed cell tube of following main body upper end, the through hole upper end of the ceramic water nozzle in the following main body lower end is equipped with the structure of the ball that oppositely dams.Utilize tubing pressure sensor measurement tubing pressure, utilize the pressure reduction between differential pressure pickup measurement tubing pressure and strata pressure, utilize circuit board collection and tracer signal, utilize communication joint to connect battery power supply is provided, or taking off playback of data behind the battery, oppositely dam ball and water nozzle form valve mechanism, when being used for many stratum and measuring simultaneously, the water that prevents indivedual high pressure formations pours in down a chimney, and influences the water injection rate on other stratum.Thereby be implemented in test and the injection of record individual layer flow, tubing pressure and strata pressure under the normal water filling state, and fetch playback of data behind the ground, can accurately analyze the stratum suction, for the water filling adjustment provides technical data.This blocking type differential pressure flowmeter has test and the injection of record individual layer flow, tubing pressure and strata pressure under normal water filling state thus, fetches playback of data behind the ground, can accurately analyze the characteristics of stratum suction.
Description of drawings:
Accompanying drawing 1 is an agent structure schematic diagram on the utility model;
Accompanying drawing 2 is theory diagrams of the utility model circuit board.
1-tubing pressure sensor in the accompanying drawing, 2-differential pressure pickup, 3-circuit board, 4-communication joint, the 5-battery, the last main body of 6-, 7-tubing pressure pressure transmission hole, 8-strata pressure pressure transmission hole, main body under the 9-, 10-pottery water nozzle, the 11-ball that oppositely dams, the 12-mu balanced circuit, 13-clock circuit, 14-memory, the 15-sensor drive driving circuit, 16-differential pressure pickup interface, 17-battery communication interface, 18-comprehensive integration circuit, 19-temperature pick up, 20-tubing pressure sensor interface.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in drawings, this blocking type differential pressure flowmeter comprises tubing pressure sensor 1, differential pressure pickup 2, circuit board 3, communication joint 4, battery 5 and goes up main body 6.The pulling head is a conventional structure, has made corresponding change in last main body 6 with following main body 9.Be built-in with tubing pressure sensor 1 in chamber, last main body 6 upper end, have respectively on the last main body 6 of tubing pressure sensor 1 upper end with oil pipe in the tubing pressure pressure transmission hole 7 that communicates, well liquid is entered by tubing pressure pressure transmission hole 7 in the oil pipe, pressure is applied to tubing pressure sensor 1, and then records the oil pipe internal pressure.Last main body 6 chambeies of tubing pressure sensor 1 lower end are built-in with differential pressure pickup 2, have on the last main body 6 of differential pressure pickup 2 upper ends with oil pipe in the tubing pressure pressure transmission hole 7 that communicates, the strata pressure pressure transmission hole 8 that communicates with the stratum is arranged on the last main body 6 of differential pressure pickup 2 lower ends, well liquid is entered by tubing pressure pressure transmission hole 7 in the oil pipe, pressure is applied to differential pressure pickup 2 upper ends, well liquid is entered by strata pressure pressure transmission hole 8 in the stratum, pressure is applied to differential pressure pickup 2 lower ends, and then records the pressure reduction between oil pipe internal pressure and strata pressure.Be equipped with circuit board 3, communication joint 4 and battery 5 from top to bottom in the following main body 9 upper end enclosed cell tubes, circuit board 3 comprises comprehensive integration circuit 18, mu balanced circuit 12, battery communication interface 17, clock circuit 13, memory 14, sensor drive driving circuit 15, differential pressure pickup interface 16, tubing pressure sensor interface 20 and temperature pick up 19.Circuit board 3 is gathered and record tubing pressure sensor 1 and differential pressure pickup 2 signals, and communication joint 6 is used for playback of data and is connected battery 5.Following main body 9 lower ends are built-in with ceramic water nozzle 10, and the through hole upper end of ceramic water nozzle 10 is equipped with the ball 11 that oppositely dams, and utilize ceramic water nozzle 10 pressure reduction that form as the orifice plate that dams own, and carry out the orifice plate type flow measurement.Pottery water nozzle 11 itself is used for quantitatively damming, and its size is accurate, and the stability of characteristics of damming is equivalent to the orifice plate that dams on the orifice flowmeter.Fluid has unique corresponding relation through pressure differential and the flow that ceramic water nozzle 11 backs form, and utilizes pressure difference signal can accurately be converted to flow value.Tubing pressure and differential pressure signal can calculate the strata pressure value.
This blocking type differential pressure flowmeter contour structures is equivalent to eccentric stopper type, the blanking plug of water nozzle of can packing into drops in the eccentric injection mandrel, test and record individual layer inject flow, tubing pressure and strata pressure under normal water filling state, fetch playback of data behind the ground, can accurately analyze the stratum water absorption character.
This blocking type differential pressure flowmeter has following main feature:
This instrument is a kind of instrument that can measure the stopper type of tubing pressure, strata pressure, individual layer flow simultaneously, for analyzing formation properties, determines that water absorption character provides effective foundation.The metering of flow individual layer is without diminishing method.Flow is accurate zero point, and it is more accurate that low discharge is judged.Tool length is short and small, and is the same with common blanking plug, and pulling is convenient.When using valve mechanism, closing well is then surveyed static pressure, prevents that flow from pouring in down a chimney; According to the test needs, can measure minus flow after the cancellation valve mechanism.The pressure mode is measured flow, attonity parts, electrodeless electric shock, anti-soil, anti-rotten, overload-resistant, reliable operation, energy operation steady in a long-term.The measuring media composition does not have influence, and test result is a mass flow.Instrument alternative single channel valve pressure gauge and binary channels valve pressure gauge.Cancellation valve mechanism in the instrument can simplify substituting pressure gauge behind the water nozzle.Insert the stagnant water mouth in the instrument, promptly simplify to wait being all binary channels stopper type pressure gauge, can be used for delaminating pressure testing and test envelope.
This blocking type differential pressure flowmeter predominant use:
Be used for the water injection well multi-zone flow regulating: drop into this blocking type flow meter at each eccentric injection mandrel, well head cooperates pressure regulation and steady testing after a period of time, can accurately understand the water absorption character on each stratum, can design minimum ground water injection pressure thus, calculate the needed water in each stratum of cover and chew dimension plan, realize accurate injection allocation and reach purpose of energy saving.Instrument can be placed on underground work for a long time, long term monitoring water filling situation, form the individual layer flow and chew preceding, chew the back stream line of buckling.Static pressure test: insert stagnant water in the instrument and chew or place valve mechanism, be used for geological analysis but formation testing recovers pressure.Because instrument provides the tubing pressure signal simultaneously, can judge the authenticity of test data easily.Test the envelope test: this instrument can carry out the envelope of testing of Water well packer easily to be tested.
Claims (1)
1. blocking type differential pressure flowmeter, comprise tubing pressure sensor (1), differential pressure pickup (2), circuit board (3), communication joint (4), battery (5) and last main body (6), it is characterized in that: be built-in with tubing pressure sensor (1) in chamber, last main body (6) upper end, last main body (6) chamber of tubing pressure sensor (1) lower end is built-in with differential pressure pickup (2), have respectively on the last main body (6) on tubing pressure sensor (1) upper end and the differential pressure pickup (2) with oil pipe in the tubing pressure pressure transmission hole (7) that communicates, the strata pressure pressure transmission hole (8) that communicates with the stratum is arranged on the last main body (6) of differential pressure pickup (2) lower end, be equipped with circuit board (3) from top to bottom in the enclosed cell tube of following main body (9) upper end, communication joint (4) and battery (5), following main body (9) lower end is built-in with ceramic water nozzle (10), and the through hole upper end of ceramic water nozzle (10) is equipped with the ball that oppositely dams (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201643698U CN202031570U (en) | 2011-05-23 | 2011-05-23 | Plugging-type pressure differential flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201643698U CN202031570U (en) | 2011-05-23 | 2011-05-23 | Plugging-type pressure differential flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031570U true CN202031570U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201643698U Expired - Fee Related CN202031570U (en) | 2011-05-23 | 2011-05-23 | Plugging-type pressure differential flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202031570U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215405A (en) * | 2013-06-03 | 2014-12-17 | 中国石油天然气股份有限公司 | Seal examining method and tool for separate injection well packer |
| CN104481447A (en) * | 2014-12-10 | 2015-04-01 | 陕西创源石油科技有限公司 | Quantitative water injection and pressure measuring composite stopper |
| CN104863568A (en) * | 2015-06-01 | 2015-08-26 | 方永和 | Layered testing and adjustment process for injection well |
| CN105507888A (en) * | 2015-12-21 | 2016-04-20 | 方永和 | Electronic underground leak detection pressure gauge |
| CN112211617A (en) * | 2020-11-18 | 2021-01-12 | 大庆科力远石油装备制造有限公司 | Electronic multifunctional monitor |
| CN112240200A (en) * | 2020-11-18 | 2021-01-19 | 大庆科力远石油装备制造有限公司 | Wireless data transmission real-time monitor |
-
2011
- 2011-05-23 CN CN2011201643698U patent/CN202031570U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215405A (en) * | 2013-06-03 | 2014-12-17 | 中国石油天然气股份有限公司 | Seal examining method and tool for separate injection well packer |
| CN104481447A (en) * | 2014-12-10 | 2015-04-01 | 陕西创源石油科技有限公司 | Quantitative water injection and pressure measuring composite stopper |
| CN104481447B (en) * | 2014-12-10 | 2017-01-04 | 陕西创源石油科技有限公司 | A kind of quantitative injection pressure measurement is combined blanking plug |
| CN104863568A (en) * | 2015-06-01 | 2015-08-26 | 方永和 | Layered testing and adjustment process for injection well |
| CN104863568B (en) * | 2015-06-01 | 2017-09-26 | 方永和 | Injection well zonal testing and allocating technology |
| CN105507888A (en) * | 2015-12-21 | 2016-04-20 | 方永和 | Electronic underground leak detection pressure gauge |
| CN112211617A (en) * | 2020-11-18 | 2021-01-12 | 大庆科力远石油装备制造有限公司 | Electronic multifunctional monitor |
| CN112240200A (en) * | 2020-11-18 | 2021-01-19 | 大庆科力远石油装备制造有限公司 | Wireless data transmission real-time monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20140523 |