CN111734352A - Acid distributing effect is effectual even acid distributing device - Google Patents
Acid distributing effect is effectual even acid distributing device Download PDFInfo
- Publication number
- CN111734352A CN111734352A CN202010695811.3A CN202010695811A CN111734352A CN 111734352 A CN111734352 A CN 111734352A CN 202010695811 A CN202010695811 A CN 202010695811A CN 111734352 A CN111734352 A CN 111734352A
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- Prior art keywords
- pipe
- acid
- acid distribution
- fixed
- sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002253 acid Substances 0.000 title claims abstract description 96
- 230000000694 effects Effects 0.000 title claims abstract description 21
- 238000009826 distribution Methods 0.000 claims abstract description 63
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 12
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 9
- 239000011435 rock Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a uniform acid distribution device with a good acid distribution effect, which comprises a communicating pipe, a fixed pipe, an acid distribution hole, a groove, a sliding block, a sleeve, a connecting plate, a fixed plate, an opening and a limiting pipe. The acid distributing device is simple in structure and convenient to operate, can realize uniform dispersion of acid substances by arranging the acid distributing holes which are uniformly distributed, can ensure uniform distribution of the acid substances around the pipeline, improves the uniformity of rock stratum corrosion around the pipeline, improves the acid distributing effect, avoids the problems of serious local acid corrosion or incomplete corrosion, improves the acid distributing efficiency and improves the oil exploitation efficiency; the acid distribution device can realize the control of the number of the acid distribution holes by arranging the limiting pipes, can realize the adjustment of the acid distribution amount by adjusting the positions of the limiting pipes in the acid distribution process, is convenient to adjust the acid distribution amount according to different positions, and ensures the uniformity of corrosion around the pipeline in the well.
Description
Technical Field
The invention relates to an acid distribution device, in particular to a uniform acid distribution device with a good acid distribution effect, and belongs to the technical field of acid distribution in oil exploitation.
Background
The acid distributing device is used for distributing acid in the exploitation of petroleum and the like, and is used for acidifying and dissolving acidic substances through chemical reaction, wherein the acid distributing is to inject corrosive substances such as hydrochloric acid, hydrofluoric acid and the like into a well and dissolve blocking substances inside and outside a sand control pipe and around the well through chemical reaction so as to achieve the aim of unblocking.
The acid distributing device is equipment for introducing acidic substances to carry out corrosion around a pipeline, the acid distributing effect is reduced due to nonuniform acid distribution in the acid distributing process, the problem of serious local acidification or incomplete acidification can be caused, and the petroleum exploitation efficiency is influenced; and the acid distribution amount of different positions is not easy to adjust during acid distribution, and the acid distribution can not be carried out according to the actual condition of the rock stratum, thereby influencing the dispersion effect of the acidic substances. Therefore, the uniform acid distribution device with good acid distribution effect is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide a uniform acid distribution device with good acid distribution effect.
The invention realizes the purpose through the following technical scheme, and the uniform acid distribution device with good acid distribution effect comprises a fixed pipe at the bottom of a communicating pipe, wherein the surface of the fixed pipe is provided with a plurality of acid distribution holes, the outer wall of the communicating pipe is provided with a groove, the inner part of the groove is in sliding connection with a sliding block, the sliding block is fixedly connected with the inner wall of a sleeve, the bottom end of the sleeve is fixedly connected with a connecting plate, the surface of the fixed pipe is in threaded sleeve connection with a limiting pipe, the outer wall of the limiting pipe is fixedly connected with a fixing plate, and the top end of the fixing plate is.
Preferably, communicating pipe and fixed pipe fixed connection, the pipe diameter of communicating pipe is greater than the pipe diameter of fixed pipe, and two recesses have been seted up to the communicating pipe outer wall.
Preferably, the plurality of acid distribution holes on the surface of the fixed pipe are uniformly distributed, the outer end aperture of each acid distribution hole is the inner end aperture of the end part, and the fixed pipe is positioned in the limiting pipe.
Preferably, spacing pipe both sides respectively with two fixed plate fixed connection, two fixed plates all extend to communicating pipe bottom surface, and the opening that every fixed plate top was seted up is inside all with the connecting plate joint.
Preferably, the sleeve is movably sleeved on the surface of the communicating pipe, the bottom of the sleeve is fixedly connected with the two connecting plates respectively, and the two connecting plates are symmetrically distributed with each other.
Preferably, the inner wall of the sleeve is fixedly connected with two sliding blocks, the two sliding blocks are symmetrically distributed, and each sliding block is located inside the groove.
The invention has the beneficial effects that:
1. the acid distributing hole is simple in structure and convenient to operate, the acid distributing holes which are uniformly distributed can uniformly disperse acid substances, the acid substances around the pipeline can be uniformly distributed, the corrosion uniformity of rock strata around the pipeline is improved, the acid distributing effect is improved, the problems of serious local acid corrosion or incomplete corrosion are avoided, the acid distributing effect is improved, and the oil exploitation efficiency is improved;
2. the acid distribution device can realize the control of the number of the acid distribution holes by arranging the limiting pipes, can adjust the positions of the limiting pipes in the acid distribution process to realize the adjustment of the acid distribution amount, is convenient to adjust the acid distribution amount according to different underground positions, and can ensure the uniformity of corrosion around the pipeline in the well.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the interior of the present invention in elevation;
FIG. 2 is a schematic diagram of the external side view of the present invention;
FIG. 3 is a schematic view of the bottom view of the fixing tube according to the present invention.
In the figure: 1. the device comprises a communicating pipe, 2, a fixed pipe, 3, an acid distributing hole, 4, a groove, 5, a sliding block, 6, a sleeve, 7, a connecting plate, 8, a fixed plate, 9, an opening, 10 and a limiting pipe.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Please refer to fig. 1-3, a uniform acid distribution device with good acid distribution effect comprises a fixed pipe 2 at the bottom of a communicating pipe 1, wherein a plurality of acid distribution holes 3 are formed in the surface of the fixed pipe 2, and are used for flowing out acid substances and avoiding the problem that sand and stone block the acid distribution holes 3 in the acid distribution process, a groove 4 is formed in the outer wall of the communicating pipe 1, the inside of the groove 4 is slidably connected with a slider 5 and is used for limiting the rotation of a sleeve 6, the slider 5 is fixedly connected with the inner wall of the sleeve 6, a connecting plate 7 is fixedly connected to the bottom end of the sleeve 6, the surface of the fixed pipe 2 is in threaded sleeve connection with a limiting pipe 10 and is used for adjusting the number of the acid distribution holes 3, the acid distribution amount is conveniently adjusted as required, a fixing plate 8 is fixedly connected to the outer wall of the limiting pipe.
The communicating pipe 1 is fixedly connected with the fixed pipe 2, the pipe diameter of the communicating pipe 1 is larger than that of the fixed pipe 2, and two grooves 4 are formed in the outer wall of the communicating pipe 1 and used for connecting the limiting pipe 10 with the fixed pipe 2, so that the sleeve 6 and the sliding block 5 can move conveniently; the acid distribution holes 3 on the surface of the fixed tube 2 are uniformly distributed, the outer end aperture of each acid distribution hole 3 is the inner end aperture of the end part, and the fixed tube 2 is positioned inside the limiting tube 10 and used for improving the uniformity during acid distribution, being beneficial to improving the acid distribution effect and avoiding sand and stone from entering the inside of the fixed tube through the acid distribution holes 3 as much as possible; the two sides of the limiting pipe 10 are fixedly connected with the two fixing plates 8 respectively, the two fixing plates 8 extend to the bottom end surface of the communicating pipe 1, and the inside of an opening 9 formed in the top of each fixing plate 8 is clamped with the connecting plate 7 and used for connection and fixation between the fixing plates 8 and the connecting plate 7, so that the limiting pipe 10 is conveniently limited to avoid rotation; the sleeve 6 is movably sleeved on the surface of the communicating pipe 1, the bottom of the sleeve 6 is fixedly connected with the two connecting plates 7 respectively, and the two connecting plates 7 are symmetrically distributed for moving the sleeve 6, so that the connecting plates 7 are conveniently driven to be clamped and fixed with the opening 9 in the fixed plate 8; 6 inner wall rigid couplings of sleeve pipe have two sliders 5, and two sliders 5 mutual symmetric distribution, and every slider 5 all is located inside 4 recesses for sleeve pipe 6's activity conveniently carries out spacing taking place rotation problem in order to avoid spacing 10 use of pipe 10 positions.
When the invention is used, the communicating pipe 1 is arranged in a vertical well mouth, when acid substances are pumped into the communicating pipe 1 by an external booster pump, the acid substances enter the fixed pipe 2 and flow out through the acid distributing holes 3 to erode the substances which need to be acidified around the pipeline, the uniformity of acid distribution is improved through the evenly arranged acid distributing holes 3, meanwhile, the outside hole diameter of the acid distributing holes 3 is smaller, the blockage of silt and the like can not be caused, the acid distributing effect is improved, the problem of serious local acid erosion or incomplete erosion is avoided, before acid distribution, the sleeve 6 is moved by moving the sleeve 6 at the bottom end of the communicating pipe 1, the connecting plate 7 is driven to move simultaneously, the connecting plate 7 is separated from the opening 9 of the fixed plate 8, then the limiting pipe 10 is rotated, the limiting pipe 10 is gradually separated from the fixed pipe 2 when the surface of the fixed pipe 2 rotates spirally, at the moment, the number of the acid distributing holes 3 on the surface of the fixed pipe 2 between the limiting pipe 10 and the communicating pipe 1 is increased, and then can be adjusted according to the needs of acid distribution amount, when the adjustment is completed, the limiting tube 10 is rotated by a certain angle to drive the fixing plate 8 to rotate simultaneously and correspond to the connecting plate 7, then the sleeve 6 is moved to the original position again, the sleeve 6 drives the connecting plate 7 to be inserted into the opening 9 at the top of the fixing plate 8 when moving, the sleeve 6 is clamped between the connecting plate 7 and the fixing plate 8 to fix the sleeve 6, and further limit the limiting tube 10, and simultaneously the sleeve 6 drives the sliding block 5 to move in the groove 4 when moving, and after fixing, the limiting of the fixing plate 8 is realized through the connecting plate 7, so that the limiting tube 10 is prevented from rotating again, the fixing after the adjustment is convenient, the number of the acid distribution holes 3 can be adjusted according to the rock stratum condition, further the adjustment of the acid distribution amount is adjusted, the practicability of the acid distribution device is improved, the acid distribution amount can be adjusted according to the rock stratum condition, and the uniform, improving the oil exploitation efficiency.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides an effectual even sour device of cloth of sour which characterized in that: including fixed pipe (2) of communicating pipe (1) bottom, a plurality of acid distribution hole (3) have been seted up on fixed pipe (2) surface, communicating pipe (1) outer wall is seted up flutedly (4), inside and slider (5) sliding connection of recess (4), and slider (5) and sleeve pipe (6) inner wall fixed connection, sleeve pipe (6) bottom rigid coupling has connecting plate (7), fixed pipe (2) surface cup joints with spacing pipe (10) screw thread, spacing pipe (10) outer wall rigid coupling has fixed plate (8), and opening (9) have been seted up on fixed plate (8) top.
2. The uniform acid distribution device with good acid distribution effect according to claim 1, characterized in that: communicating pipe (1) and fixed pipe (2) fixed connection, the pipe diameter of communicating pipe (1) is greater than the pipe diameter of fixed pipe (2), and two recesses (4) have been seted up to communicating pipe (1) outer wall.
3. The uniform acid distribution device with good acid distribution effect according to claim 1, characterized in that: a plurality of acid distribution holes (3) on the surface of the fixed pipe (2) are uniformly distributed, each hole is formed in the outer end of each acid distribution hole (3) and the inner end of each hole is located in the hole, and the fixed pipe (2) is located inside the limiting pipe (10).
4. The uniform acid distribution device with good acid distribution effect according to claim 1, characterized in that: spacing pipe (10) both sides respectively with two fixed plate (8) fixed connection, two fixed plate (8) all extend to communicating pipe (1) bottom surface, and opening (9) that every fixed plate (8) top was seted up inside all with connecting plate (7) joint.
5. The uniform acid distribution device with good acid distribution effect according to claim 1, characterized in that: the sleeve (6) is movably sleeved on the surface of the communicating pipe (1), the bottom of the sleeve (6) is fixedly connected with the two connecting plates (7) respectively, and the two connecting plates (7) are symmetrically distributed.
6. The uniform acid distribution device with good acid distribution effect according to claim 1, characterized in that: the inner wall of the sleeve (6) is fixedly connected with two sliding blocks (5), the two sliding blocks (5) are symmetrically distributed, and each sliding block (5) is located inside the groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695811.3A CN111734352A (en) | 2020-07-17 | 2020-07-17 | Acid distributing effect is effectual even acid distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695811.3A CN111734352A (en) | 2020-07-17 | 2020-07-17 | Acid distributing effect is effectual even acid distributing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111734352A true CN111734352A (en) | 2020-10-02 |
Family
ID=72654994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010695811.3A Pending CN111734352A (en) | 2020-07-17 | 2020-07-17 | Acid distributing effect is effectual even acid distributing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111734352A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4243069A (en) * | 1979-06-22 | 1981-01-06 | Futurecraft Corporation | Fluid flow regulator |
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| CN107681593A (en) * | 2017-11-13 | 2018-02-09 | 许昌恒科实业发展有限公司 | A kind of bus bridge frame |
| CN207820759U (en) * | 2017-12-21 | 2018-09-07 | 浙江同济科技职业学院 | The water-saving pipeline being precisely controlled |
| CN208347743U (en) * | 2018-06-25 | 2019-01-08 | 宁夏朔光石油科技有限公司 | PH value control device after a kind of producing well pickling |
| CN208966286U (en) * | 2018-10-17 | 2019-06-11 | 洛纳爱森(天津)科技有限公司 | A kind of filling apparatus for Petroleum corrosion inhibitor |
| CN209670956U (en) * | 2019-03-22 | 2019-11-22 | 甘肃普瑞斯石油科技有限公司 | A kind of grease well acidizing acid filling pipe |
| CN210598921U (en) * | 2019-09-16 | 2020-05-22 | 中国石油化工股份有限公司 | Acid injection sliding sleeve valve capable of recovering water injection |
| CN210858665U (en) * | 2019-11-21 | 2020-06-26 | 濮阳市顺康石油工程技术有限公司 | Stifled auxiliary device is separated in acidizing |
-
2020
- 2020-07-17 CN CN202010695811.3A patent/CN111734352A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4243069A (en) * | 1979-06-22 | 1981-01-06 | Futurecraft Corporation | Fluid flow regulator |
| DE9405872U1 (en) * | 1994-04-08 | 1994-05-26 | Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München | Lowering brake valve and flow control device for the high pressure hydraulics |
| JPH10169893A (en) * | 1996-12-12 | 1998-06-26 | Okawa Kogyo Kk | Connection pipe length adjusting mechanism |
| KR200277941Y1 (en) * | 2002-03-26 | 2002-06-20 | 박승용 | Supporting post for construction |
| CN101298835A (en) * | 2007-04-30 | 2008-11-05 | 陈菲 | Controllable acid distributing tube and controllable acid distributing method |
| US20090014559A1 (en) * | 2007-07-12 | 2009-01-15 | Watershield Llc | Fluid control device and method for projecting a fluid |
| CN101265803A (en) * | 2008-04-30 | 2008-09-17 | 安东石油技术（集团）有限公司 | Horizontal and uniform acid distribution integrated experimental device and its operation method |
| KR200443194Y1 (en) * | 2008-06-13 | 2009-01-21 | 무풍건설주식회사 | Injection pipe of hardening time adjustable grouting device |
| DE202008015296U1 (en) * | 2008-11-18 | 2009-04-09 | Lin, Hsiao-Mei, Dali City | Adjustable flow limitation device for pure water |
| JP2010144457A (en) * | 2008-12-19 | 2010-07-01 | Kowan Co Ltd | High-pressure water injection device and pressure reducing method therefor |
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| CN208347743U (en) * | 2018-06-25 | 2019-01-08 | 宁夏朔光石油科技有限公司 | PH value control device after a kind of producing well pickling |
| CN208966286U (en) * | 2018-10-17 | 2019-06-11 | 洛纳爱森(天津)科技有限公司 | A kind of filling apparatus for Petroleum corrosion inhibitor |
| CN209670956U (en) * | 2019-03-22 | 2019-11-22 | 甘肃普瑞斯石油科技有限公司 | A kind of grease well acidizing acid filling pipe |
| CN210598921U (en) * | 2019-09-16 | 2020-05-22 | 中国石油化工股份有限公司 | Acid injection sliding sleeve valve capable of recovering water injection |
| CN210858665U (en) * | 2019-11-21 | 2020-06-26 | 濮阳市顺康石油工程技术有限公司 | Stifled auxiliary device is separated in acidizing |
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