CN1553044A - Low-density fluid generator - Google Patents
Low-density fluid generator Download PDFInfo
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- CN1553044A CN1553044A CNA031122914A CN03112291A CN1553044A CN 1553044 A CN1553044 A CN 1553044A CN A031122914 A CNA031122914 A CN A031122914A CN 03112291 A CN03112291 A CN 03112291A CN 1553044 A CN1553044 A CN 1553044A
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Abstract
A generator of fluid with low density has three stage stirring chambers. Gas and liquid are respectively fed through a gas feeding pipe and a liquid feeding pipe into the first stirring chamber, the stirred mixture fed through a pup joint and a nozzle installed axially into the second stirring chamber, an inlet grid pipe installed near the nozzle, more gas fed through a secondary gas feeding pipe into the second stirring also to be mixed with the mixture come from the first chamber, finally fed into the third stirring chamber, in which several screw stirrers are installed on connecting screw rods, the materials fed there to be broken and stirred uniformly to form low density fluid and to be discharged from outlet.
Description
Technical field:
The invention belongs to oil, gas drilling, completion and oil recovery generating means with low density flow.
Technical background:
Along with domestic and international oil field generally enters the middle and later periods, strata pressure significantly reduces, the output of simultaneously hypotonic, special Middle-Low Permeability Reservoirs, shared ratio in total field putput, also present the trend that rises gradually, thereby, how to reduce injury as much as possible reservoir in each stage of oil-gas field development, improve recovery ratio, very great for the comprehensive benefit meaning that improves oil field development.Practice shows; in drilling well; oil-gas field development such as completion and the oil recovery stage; suitably the head of liquid in the reduction well wellbore is to the protection reservoir; the maintenance of raising drilling machinery drilling speed and later stage oil well etc. all is very effective measures; under balance pressure drilling; emerging in large numbers of technology such as foamed cement well cementation and the sand washing of low density flow well-flushing have confirmed this point; the appearance of these technology has not only solved some difficult problems of long-term puzzlement oil-gas field development; also obtained good social benefit and economic benefit, the correlation technique research that therefore reduces head of liquid in the well wellbore has been subjected to people's extensive concern.Produce the low density flow that is fit to produce needs in a suitable manner, be to reduce a very important link in the correlation technique research of the head of liquid in the well wellbore, low density flow poor stability, fluid density huge, that produce lack problems such as adjustability but there is device in prior art, and these have restricted overall development and the popularization that reduces the head of liquid technology in the well wellbore to a certain extent.Therefore satisfy on-the-spot actual needs, the low density flow stable performance that is produced, the adjustable again low density flow generating means of density is unusual problem of key in the research of current reduction well wellbore head of liquid correlation technique simultaneously.
Summary of the invention:
The present invention designs for addressing this problem just, it is by the one-level gas-distribution pipe, feed tube, inlet connects pipe nipple, the one-level stirring shell, the secondary gas-distribution pipe, the secondary stirring shell, nozzle, the air inlet webmaster, the helical stir piece, three grades of stirring shell, clamp nut, connecting parts such as screw rod and outlet connection pipe nipple forms, the sealing of one-level gas-distribution pipe one end, the other end is processed with screw thread, what inlet connected pipe nipple axially is processed with a through hole, the one-level gas-distribution pipe inserts inlet along this through hole and connects pipe nipple inside, and it is fixing, feed tube one end is processed with internal thread, the end that connects pipe nipple at inlet tangentially is processed with a through hole, feed tube connects pipe nipple in the tangential through hole of inlet connection pipe nipple end with inlet and links, inlet connects pipe nipple and connects with the one-level stirring shell, the one-level stirring shell connects with the secondary stirring shell, secondary stirring shell inside is equipped with nozzle vertically, nozzle exit is equipped with the air inlet webmaster, be processed with a through hole at the middle part of secondary stirring shell, secondary gas-distribution pipe one end is processed with internal thread, the secondary gas-distribution pipe is linked together in the through hole and the secondary stirring shell at secondary stirring shell middle part, the secondary stirring shell connects with three grades of stirring shell, a plurality of helical stir pieces are enclosed within on the connection screw rod, adjacent helical stir piece alternate angle degree is installed, connecting the screw rod two ends fixes, the connection screw rod that the is with a plurality of helical stir pieces three grades of stirring shell inside of packing into, use the clamp nut axial restraint, three grades of stirring shell connect pipe nipple with outlet and connect, the end that outlet connects pipe nipple is processed with through hole, this through hole is processed with internal thread, liquid enters the one-level stirring shell by feed tube, gas enters the one-level stirring shell by the one-level gas-distribution pipe, after gas and liquid tentatively stir in the one-level stirring shell, enter secondary stirring shell inside through nozzle, gas and liquid are through nozzle the time, the strong shearing that fluid is subjected to, compression and the degree of depth turbulent fluctuation of fluid in high-speed motion all help to strengthen the uniformity that liquids and gases mix, fluid sprays at a high speed through nozzle, near jet expansion, form certain Negative Pressure Difference, this Negative Pressure Difference helps the injection from gas in the secondary gas-distribution pipe, gas is by the secondary gas-distribution pipe, enter the inner gas with from the one-level stirring shell of secondary stirring shell through the air inlet webmaster, liquid mixture carries out blending and stirs, gas and mixtures of liquids enter three grades of stirring shell then, through the cutting repeatedly of a plurality of helical stir pieces, mix and mix, form evenly, stable low density flow is discharged by the outlet that outlet connects the pipe nipple place, the density of low density flow is by the one-level gas-distribution pipe, the ratio of the feed liquor amount of the air inflow of secondary gas-distribution pipe and feed tube is adjusted, the uniformity of low density flow and stability are by adjusting the quantity of helical stir piece, the structure and the quantity of helical stir piece runner obtain, and the purpose of this invention is to provide that a kind of scene is suitable for, the low density flow stable performance that is produced, the adjustable again low density flow generator of while density.
The present invention is achieved like this, the sealing of one-level gas-distribution pipe one end, the other end is processed with screw thread, what inlet connected pipe nipple axially is processed with a through hole, the one-level gas-distribution pipe inserts inlet along this through hole and connects pipe nipple inside, and it is fixing, feed tube one end is processed with internal thread, the end that connects pipe nipple at inlet tangentially is processed with a through hole, feed tube connects pipe nipple in the tangential through hole of inlet connection pipe nipple end with inlet and links, inlet connects pipe nipple and connects with the one-level stirring shell, the one-level stirring shell connects with the secondary stirring shell, secondary stirring shell inside is equipped with nozzle vertically, nozzle exit is equipped with the air inlet webmaster, be processed with a through hole at the middle part of secondary stirring shell, secondary gas-distribution pipe one end is processed with internal thread, the secondary gas-distribution pipe is linked together in the through hole and the secondary stirring shell at secondary stirring shell middle part, the secondary stirring shell connects with three grades of stirring shell, a plurality of helical stir pieces are enclosed within on the connection screw rod, adjacent helical stir piece alternate angle degree is installed, connecting the screw rod two ends fixes, the connection screw rod that the is with a plurality of helical stir pieces three grades of stirring shell inside of packing into, use the clamp nut axial restraint, three grades of stirring shell connect pipe nipple with outlet and connect, the end that outlet connects pipe nipple is processed with through hole, and this through hole is processed with internal thread.
The present invention is when producing low density flow, liquid enters the one-level stirring shell by feed tube, gas enters the one-level stirring shell by the one-level gas-distribution pipe, after gas and liquid tentatively stir in the one-level stirring shell, enter secondary stirring shell inside through nozzle, gas and liquid are through nozzle the time, the strong shearing that fluid is subjected to, compression and the degree of depth turbulent fluctuation of fluid in high-speed motion all help to strengthen the uniformity that liquids and gases mix, fluid sprays at a high speed through nozzle, near jet expansion, form certain Negative Pressure Difference, this Negative Pressure Difference helps the injection from gas in the secondary gas-distribution pipe, gas is by the secondary gas-distribution pipe, enter the inner gas with from the one-level stirring shell of secondary stirring shell through the air inlet webmaster, liquid mixture carries out blending and stirs, gas and mixtures of liquids enter three grades of stirring shell then, through the cutting repeatedly of a plurality of helical stir pieces, mix and mix, form evenly, stable low density flow is discharged by the outlet that outlet connects the pipe nipple place, the density of low density flow is by the one-level gas-distribution pipe, the ratio of the feed liquor amount of the air inflow of secondary gas-distribution pipe and feed tube is adjusted, and the uniformity of low density flow and stability are by adjusting the quantity of helical stir piece, the structure and the quantity of helical stir piece runner obtain.
Description of drawings:
Fig. 1 low density flow generator schematic diagram
1. one-level gas-distribution pipe; 2. inlet connects pipe nipple; 3. feed tube; 4. one-level stirring shell; 5. secondary stirring shell; 6. nozzle; 7. secondary gas-distribution pipe; 8. air inlet webmaster; 9. helical stir piece; 10. connection screw rod; 11. three grades of stirring shell; 12. clamp nut; 13. outlet connects pipe nipple
The specific embodiment:
Now the invention will be further described in conjunction with Figure of description.
When adopting the present invention to produce lowland density fluid, the sealing of one-level gas-distribution pipe one end, the other end is processed with screw thread, what inlet connected pipe nipple axially is processed with a through hole, the one-level gas-distribution pipe inserts inlet along this through hole and connects pipe nipple inside, and it is fixing, feed tube one end is processed with internal thread, the end that connects pipe nipple at inlet tangentially is processed with a through hole, feed tube connects the pipe nipple end at inlet tangential through hole connects the pipe nipple connection even with inlet, inlet connects pipe nipple and connects with the one-level stirring shell, the one-level stirring shell connects with the secondary stirring shell, secondary stirring shell inside is equipped with nozzle vertically, nozzle exit is equipped with the air inlet webmaster, be processed with a through hole at the middle part of secondary stirring shell, secondary gas-distribution pipe one end is processed with internal thread, the secondary gas-distribution pipe is linked together in the through hole and the secondary stirring shell at secondary stirring shell middle part, the secondary stirring shell connects with three grades of stirring shell, a plurality of helical stir pieces are enclosed within on the connection screw rod, adjacent helical stir piece alternate angle degree is installed, connecting the screw rod two ends fixes, the connection screw rod that the is with a plurality of helical stir pieces three grades of stirring shell inside of packing into, use the clamp nut axial restraint, three grades of stirring shell connect pipe nipple with outlet and connect, the end that outlet connects pipe nipple is processed with through hole, and this through hole is processed with internal thread.
When adopting the present invention to produce low density flow, liquid enters the one-level stirring shell by feed tube, gas enters the one-level stirring shell by the one-level gas-distribution pipe, after gas and liquid tentatively stir in the one-level stirring shell, enter secondary stirring shell inside through nozzle, gas and liquid are through nozzle the time, the strong shearing that fluid is subjected to, compression and the degree of depth turbulent fluctuation of fluid in high-speed motion all help to strengthen the uniformity that liquids and gases mix, fluid sprays at a high speed through nozzle, near jet expansion, form certain Negative Pressure Difference, this Negative Pressure Difference helps the injection from gas in the secondary gas-distribution pipe, gas is by the secondary gas-distribution pipe, enter the inner gas with from the one-level stirring shell of secondary stirring shell through the air inlet webmaster, liquid mixture carries out blending and stirs, gas and mixtures of liquids enter three grades of stirring shell then, through the cutting repeatedly of a plurality of helical stir pieces, mix and mix, form evenly, stable low density flow is discharged by the outlet that outlet connects the pipe nipple place, the density of low density flow is by the one-level gas-distribution pipe, the ratio of the feed liquor amount of the air inflow of secondary gas-distribution pipe and feed tube is adjusted, and the uniformity of low density flow and stability are by adjusting the quantity of helical stir piece, the structure and the quantity of helical stir piece runner obtain.
Claims (4)
1. the low density flow generator is characterized in that the sealing of one-level gas-distribution pipe [1] one end, the other end is processed with screw thread, what inlet connected pipe nipple [2] axially is processed with a through hole, one-level gas-distribution pipe [1] inserts inlet along this through hole and connects pipe nipple [2] inside, and it is fixing, feed tube [3] one ends are processed with internal thread, the end that connects pipe nipple [2] at inlet tangentially is processed with a through hole, feed tube [3] connects pipe nipple [2] in the tangential through hole of inlet connection pipe nipple [2] end with inlet and links, inlet connects pipe nipple [2] and connects with one-level stirring shell [4], one-level stirring shell [4] connects with secondary stirring shell [5], secondary stirring shell [5] inside is equipped with nozzle [6] vertically, air inlet webmaster [8] is equipped with in nozzle [6] exit, be processed with a through hole at the middle part of secondary stirring shell [5], secondary gas-distribution pipe [7] one ends are processed with internal thread, secondary gas-distribution pipe [7] is linked together in the through hole and the secondary stirring shell [5] at secondary stirring shell [5] middle part, secondary stirring shell [5] connects with three grades of stirring shell [11], a plurality of helical stir pieces [9] are enclosed within on the connection screw rod [10], adjacent helical stir piece [9] alternate angle degree is installed, connecting screw rod [10] two ends fixes, the connection screw rod [10] that is with a plurality of helical stir pieces [9] three grades of stirring shell [11] inside of packing into, with clamp nut [12] axial restraint, three grades of stirring shell [11] connect pipe nipple [13] with outlet and connect, the end that outlet connects pipe nipple [13] is processed with through hole, and this through hole is processed with internal thread.
2. low density flow generator according to claim 1 is characterized in that being processed with the very little through hole of diameter on the body of one-level gas-distribution pipe [1] sealing one end.
3. low density flow generator according to claim 1 is characterized in that being processed with the very little through hole of diameter on air inlet webmaster [8] body.
4. low density flow generator according to claim 1 is characterized in that helical stir piece [9] is processed with a plurality of runners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031122914A CN100416040C (en) | 2003-05-29 | 2003-05-29 | Low-density fluid generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031122914A CN100416040C (en) | 2003-05-29 | 2003-05-29 | Low-density fluid generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1553044A true CN1553044A (en) | 2004-12-08 |
| CN100416040C CN100416040C (en) | 2008-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031122914A Expired - Fee Related CN100416040C (en) | 2003-05-29 | 2003-05-29 | Low-density fluid generator |
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| Country | Link |
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| CN (1) | CN100416040C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397538A (en) * | 2017-08-16 | 2019-03-01 | 中国石油化工股份有限公司 | A kind of foam slurry generator and cement slurry air charging system with pressure and its application |
| CN109519135A (en) * | 2017-09-18 | 2019-03-26 | 中国石油化工股份有限公司 | A kind of foam maker |
| CN111502619A (en) * | 2020-04-23 | 2020-08-07 | 山东瑞恒兴域石油技术开发有限公司 | Atomization generator and high-pressure atomization generating device special for increasing yield of oil and gas field |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2109906C1 (en) * | 1996-07-04 | 1998-04-27 | Институт горного дела СО РАН | Immersible percussive machine |
| CN2414829Y (en) * | 2000-01-24 | 2001-01-17 | 扬中市康尔医疗器械有限公司 | Jet-stream whirl water and air mixer |
| CN2632317Y (en) * | 2003-05-29 | 2004-08-11 | 胜利石油管理局钻井工艺研究院 | Low-density fluid generater |
-
2003
- 2003-05-29 CN CNB031122914A patent/CN100416040C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397538A (en) * | 2017-08-16 | 2019-03-01 | 中国石油化工股份有限公司 | A kind of foam slurry generator and cement slurry air charging system with pressure and its application |
| CN109519135A (en) * | 2017-09-18 | 2019-03-26 | 中国石油化工股份有限公司 | A kind of foam maker |
| CN109519135B (en) * | 2017-09-18 | 2024-05-24 | 中国石油化工股份有限公司 | Foam generator |
| CN111502619A (en) * | 2020-04-23 | 2020-08-07 | 山东瑞恒兴域石油技术开发有限公司 | Atomization generator and high-pressure atomization generating device special for increasing yield of oil and gas field |
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| Publication number | Publication date |
|---|---|
| CN100416040C (en) | 2008-09-03 |
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Granted publication date: 20080903 Termination date: 20130529 |