CN105156072A - Vortex flow guiding device - Google Patents
Vortex flow guiding device Download PDFInfo
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- CN105156072A CN105156072A CN201410241725.XA CN201410241725A CN105156072A CN 105156072 A CN105156072 A CN 105156072A CN 201410241725 A CN201410241725 A CN 201410241725A CN 105156072 A CN105156072 A CN 105156072A
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- mandrel
- guiding device
- flow guiding
- vortex flow
- diversion belt
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Abstract
The invention provides a vortex flow guiding device. For overcoming the defects of low water-draining gas-recovery effectiveness, large oil pipe pressure loss and liquid draining capability reduction in an existing vortex flow guiding device. The vortex flow guiding device comprises a core shaft and a flow guiding hose. The flow guiding hose spirally winds the external circular surface of the core shaft. The upper end of the core shaft is provided with a fishing head, and the lower end is provided with a thread which is connected with a water-draining gas-recovery downhole device. The screw pitches of the flow guiding hose which spirally winds the external circular surface of the core shaft are unequal. Two ends of the flow guiding hose are fixedly connected with the core shaft. The vortex flow guiding device is advantageous in that reasonable structure is realized; downhole fluid can be separated and moved more effectively; furthermore the shape of the vortex flow can be adjusted according to different well conditions and the downhole fluid is conveyed to ground more efficiently, thereby improving applicability of a vortex flow water-draining gas-recovery device, effectively reducing pressure loss of the oil pipe and improving efficiency in vortex flow water-draining gas-recovery.
Description
Technical field
The present invention relates to the vortex drainage gas production downhole hardware in a kind of gas well mining operations, especially relate to the eddy current guiding device in a kind of vortex drainage gas production downhole hardware.
Background technology
In gas well recovery process, along with the continuous increase of recovery time, stratum energy reduces gradually, and moisture content improves, and in gas liquid two-phase flow process, solution gas very easily produces slippage effect, and lifting difficulty continues to increase.For meeting the requirement of gas well water pumping gas production, the underground vortex drainage gas production technology developed in recent years, its design fundamentals are moved to pressed on ring film layering fluidised form by the inwall direction vortex that the multiphase medium fluid flow state in oil pipe is changed into along well casing by original turbulent vertically upward fluidised form.When biphase gas and liquid flow enters vortex drainage gas production device, eddy current guiding device wherein makes fluid rotate along vortex sheet, be separated the multiphase medium of different densities simultaneously, the water that density is larger gets rid of to tube wall outermost, water, crude oil, gas ecto-entad distribute, and form vortex layering fluidised form, this fluid gas does not need drop in tow upwards to flow, energy spent by multiphase flow flowing is decreased, reduces pit shaft back pressure.
Vortex drainage gas production device is the important tool of application underground vortex drainage gas production technology, eddy current guiding device in existing vortex drainage gas production device mainly comprises mandrel, diversion belt, diversion belt is fixedly wrapped in mandrel outer round surface in the shape of a spiral, but in actual applications because hole condition is had nothing in common with each other, the eddy current guiding device do not matched with hole condition is used to make the validity of water pumping gas production poor, tubing pressure loss is large, and drainage capacity reduces.
Summary of the invention
In order to the water pumping gas production validity overcoming the existence of existing eddy current guiding device is poor, tubing pressure loss is large, and the deficiency that drainage capacity reduces the invention provides a kind of eddy current guiding device, can provide the eddy current guiding device of applicability according to hole condition.
The technical solution adopted for the present invention to solve the technical problems is: eddy current guiding device comprises mandrel, diversion belt, and diversion belt is spiral is wrapped in mandrel outer round surface; There is fishing head the upper end of mandrel, and there is the screw thread be connected with water pumping gas production downhole hardware lower end, and not etc., diversion belt two ends are not fixedly connected with mandrel the diversion belt pitch being spirally wrapped around mandrel outer round surface.
Another technical scheme of eddy current guiding device of the present invention is, the diversion belt upper end being spirally wrapped around mandrel outer round surface is fixedly connected with mandrel, and lower end is fixedly connected with adjustable ring; Adjustable ring is threaded with mandrel lower end by internal thread.There is ring-type dovetail groove adjustable ring upper surface, and the bottom of diversion belt can be coiled and is placed in dovetail groove.
The cross section of diversion belt is rectangle.
The invention has the beneficial effects as follows, rational in infrastructure, downhole fluid can not only be more effectively made to carry out being separated and moving, and the shape of eddy current can be regulated according to different well ' s conditions, downhole fluid is passed to ground more efficiently, thus strengthens the applicability of vortex drainage gas production device, effectively reduce tubing pressure loss, improve drainage capacity, improve vortex drainage gas production usefulness.
Accompanying drawing explanation
Fig. 1 is eddy current guiding device structural representation of the present invention.
Fig. 2 is the structural representation of another embodiment of the present invention.
In figure: 1. fishing head, 2. mandrel, 3. diversion belt, 4. adjustable ring, 5. ring-type dovetail groove.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.But those skilled in the art should know, the invention is not restricted to listed detailed description of the invention, as long as spirit according to the invention, all should be included in protection scope of the present invention.
Eddy current guiding device of the present invention, comprises mandrel 2, diversion belt 3, and diversion belt 3 is spiral is wrapped in mandrel 2 outer round surface; There is fishing head 1 upper end of mandrel 2, and there is the screw thread be connected with water pumping gas production downhole hardware lower end; The cross section of usual diversion belt 3 is rectangle.
Not etc., not etc., diversion belt 3 can not be integrated with mandrel 2 pitch between the adjacent guide band 3 being namely spirally wrapped around mandrel 2 outer round surface pitch between the diversion belt 3 of eddy current guiding device first embodiment of the present invention, can be split yet.When diversion belt 3 is split with mandrel 2, diversion belt 3 two ends are fixedly connected with mandrel 2, usually adopt welding manner to be fixedly connected with.
The diversion belt 3 of the another embodiment of eddy current guiding device of the present invention can adjust, and diversion belt 3 upper end being namely spirally wrapped around mandrel 2 outer round surface is fixedly connected with mandrel 2, and lower end is fixedly connected with adjustable ring 4; Adjustable ring 4 is threaded with mandrel 2 lower end by internal thread.There is ring-type dovetail groove 5 adjustable ring 4 upper surface, and the lower end of diversion belt 3 can be coiled and is placed in dovetail groove 5.Can, according to water pumping gas production operation needs, by rotating adjustment ring 4, adjustable ring 4 be moved up and down along mandrel 2, the distance between the adjustment length of diversion belt 3 and adjacent guide band 3.
In an embodiment of the present invention, no matter diversion belt 3 is varying pitchs, or length, pitch are all adjustable, can according to operation hole condition water pumping gas production needs, adjustment eddy current shape, makes down-hole gas-liquid separation and controls the upwards transmission of fluid, thus improving output.
The detailed description of the invention of eddy current guiding device of the present invention is, when after gas well liquid loading a period of time, down-hole hydrops increases, and when needing to adopt vortex drainage gas production process operation, first adjusts pitch and the length of diversion belt according to hole condition; Then, after being connected with the fishing head 1 of eddy current guiding device upper end with wire rope, and eddy current guiding device is put in production tube, after eddy current guiding device is stuck in design attitude, water pumping gas production operation can be started.Eddy current guiding device makes the gas-liquid of down-hole output constantly rotate along vortex sheet and constantly be separated, thus reaches raising gas well drainage capacity, reduces tubing pressure loss.
It should be noted that above-described embodiment is example and unrestricted the present invention, those skilled in the art can design a lot of alternate embodiment and not depart from the right of this patent.
Claims (4)
1. an eddy current guiding device, comprises mandrel, diversion belt, and diversion belt is spiral is wrapped in mandrel outer round surface; There is fishing head the upper end of mandrel, there is the screw thread be connected with water pumping gas production downhole hardware lower end, it is characterized in that: described in be spirally wrapped around mandrel (2) outer round surface diversion belt (3) pitch not etc., diversion belt (3) two ends are fixedly connected with mandrel (2).
2. an eddy current guiding device, comprises mandrel, diversion belt, and diversion belt is spiral is wrapped in mandrel outer round surface; There is fishing head the upper end of mandrel, there is the screw thread be connected with water pumping gas production downhole hardware lower end, it is characterized in that: described in be spirally wrapped around mandrel (2) outer round surface diversion belt (3) upper end be fixedly connected with mandrel (2), lower end is fixedly connected with adjustable ring (4); Described adjustable ring (4) is threaded with mandrel (2) lower end by internal thread.
3. eddy current guiding device according to claim 2, it is characterized in that: there is ring-type dovetail groove (5) described adjustable ring (4) upper surface, the bottom of diversion belt (3) can be coiled and is placed in dovetail groove (5).
4. according to the arbitrary described eddy current guiding device of claim 1 or 3, it is characterized in that: the cross section of described diversion belt (3) is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241725.XA CN105156072B (en) | 2014-06-03 | 2014-06-03 | It is vortexed guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241725.XA CN105156072B (en) | 2014-06-03 | 2014-06-03 | It is vortexed guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105156072A true CN105156072A (en) | 2015-12-16 |
| CN105156072B CN105156072B (en) | 2018-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241725.XA Active CN105156072B (en) | 2014-06-03 | 2014-06-03 | It is vortexed guiding device |
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| CN (1) | CN105156072B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542430A (en) * | 2017-08-24 | 2018-01-05 | 西安石油大学 | A kind of low-voltage and low-yield gas well underground vortex forced drainage gas producing device |
| CN107664022A (en) * | 2016-07-29 | 2018-02-06 | 中国石油天然气股份有限公司 | It is vortexed guiding device |
| CN108915646A (en) * | 2018-09-06 | 2018-11-30 | 李龙龙 | Gas transmission line multiphase flow drainage gas production tool |
| CN111577207A (en) * | 2020-05-14 | 2020-08-25 | 大庆油田有限责任公司 | Horizontal gas well is with interior spiral drainage instrument of oil pipe |
| CN111779468A (en) * | 2020-05-07 | 2020-10-16 | 中国石油天然气股份有限公司 | Horizontal well inclined shaft section vortex water drainage gas production device and water drainage gas production method |
| CN113081619A (en) * | 2021-04-19 | 2021-07-09 | 温州医科大学附属第一医院 | Anesthetic quantitative operating table |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230811Y (en) * | 1995-08-23 | 1996-07-10 | 沈阳新阳机器制造公司 | Screw rod pump oil collecting apparatus |
| US20060144589A1 (en) * | 2002-12-12 | 2006-07-06 | Yves Manin | Downhole separation of oil and water |
| CN2929694Y (en) * | 2006-07-25 | 2007-08-01 | 甘肃省机械科学研究院 | Equivalent variable distance screw transport mechanism for screw sampling head |
| RU2006133544A (en) * | 2004-02-20 | 2008-03-27 | Норск Хюдро АСА (NO) | EXECUTIVE MECHANISM AND METHOD OF ITS APPLICATION |
| CN201671603U (en) * | 2010-05-10 | 2010-12-15 | 中国石油天然气股份有限公司 | Gas well self-lifting dewatering gas producing device |
| CN201843590U (en) * | 2010-11-11 | 2011-05-25 | 中国石油天然气股份有限公司 | Gas well underground vortex drainage gas production tool |
| CN102536759A (en) * | 2012-02-03 | 2012-07-04 | 深圳乐满油气技术有限公司 | Downhole tool for eddy-current liquid-discharging gas production of low-yield natural-gas well |
| CN102587864A (en) * | 2012-02-03 | 2012-07-18 | 深圳乐满油气技术有限公司 | Fluid guiding device for vortex fluid-discharge gas production downhole tool |
-
2014
- 2014-06-03 CN CN201410241725.XA patent/CN105156072B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230811Y (en) * | 1995-08-23 | 1996-07-10 | 沈阳新阳机器制造公司 | Screw rod pump oil collecting apparatus |
| US20060144589A1 (en) * | 2002-12-12 | 2006-07-06 | Yves Manin | Downhole separation of oil and water |
| RU2006133544A (en) * | 2004-02-20 | 2008-03-27 | Норск Хюдро АСА (NO) | EXECUTIVE MECHANISM AND METHOD OF ITS APPLICATION |
| CN2929694Y (en) * | 2006-07-25 | 2007-08-01 | 甘肃省机械科学研究院 | Equivalent variable distance screw transport mechanism for screw sampling head |
| CN201671603U (en) * | 2010-05-10 | 2010-12-15 | 中国石油天然气股份有限公司 | Gas well self-lifting dewatering gas producing device |
| CN201843590U (en) * | 2010-11-11 | 2011-05-25 | 中国石油天然气股份有限公司 | Gas well underground vortex drainage gas production tool |
| CN102536759A (en) * | 2012-02-03 | 2012-07-04 | 深圳乐满油气技术有限公司 | Downhole tool for eddy-current liquid-discharging gas production of low-yield natural-gas well |
| CN102587864A (en) * | 2012-02-03 | 2012-07-18 | 深圳乐满油气技术有限公司 | Fluid guiding device for vortex fluid-discharge gas production downhole tool |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664022A (en) * | 2016-07-29 | 2018-02-06 | 中国石油天然气股份有限公司 | It is vortexed guiding device |
| CN107542430A (en) * | 2017-08-24 | 2018-01-05 | 西安石油大学 | A kind of low-voltage and low-yield gas well underground vortex forced drainage gas producing device |
| CN107542430B (en) * | 2017-08-24 | 2019-12-17 | 西安石油大学 | Low-pressure low-yield gas well underground vortex forced drainage gas production device |
| CN108915646A (en) * | 2018-09-06 | 2018-11-30 | 李龙龙 | Gas transmission line multiphase flow drainage gas production tool |
| CN111779468A (en) * | 2020-05-07 | 2020-10-16 | 中国石油天然气股份有限公司 | Horizontal well inclined shaft section vortex water drainage gas production device and water drainage gas production method |
| CN111779468B (en) * | 2020-05-07 | 2024-03-01 | 中国石油天然气股份有限公司 | Horizontal well inclined shaft section vortex drainage gas production device and drainage gas production method |
| CN111577207A (en) * | 2020-05-14 | 2020-08-25 | 大庆油田有限责任公司 | Horizontal gas well is with interior spiral drainage instrument of oil pipe |
| CN111577207B (en) * | 2020-05-14 | 2022-06-10 | 大庆油田有限责任公司 | Spiral drainage tool in oil pipe for horizontal gas well |
| CN113081619A (en) * | 2021-04-19 | 2021-07-09 | 温州医科大学附属第一医院 | Anesthetic quantitative operating table |
| CN113081619B (en) * | 2021-04-19 | 2022-12-06 | 温州医科大学附属第一医院 | Anesthetic quantitative operating table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105156072B (en) | 2018-01-09 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Address before: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. |
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| CP03 | Change of name, title or address | ||
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Address after: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. Address before: No.3 Dagang Oilfield Hospital, Dagang District, Tianjin Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OIL FIELD DRILLING TECHNOLOGY DEVELOPMENT CO. |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20201123 Address after: 300000 No. three, Dagang Oilfield, Binhai New Area, Tianjin Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300270 Tianjin Binhai New Area Dagang No.3 Hospital Patentee before: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee before: DAGANG OILFIELD GROUP Co.,Ltd. |