CN210068026U - Novel sand flushing tank - Google Patents
Novel sand flushing tank Download PDFInfo
- Publication number
- CN210068026U CN210068026U CN201920412008.7U CN201920412008U CN210068026U CN 210068026 U CN210068026 U CN 210068026U CN 201920412008 U CN201920412008 U CN 201920412008U CN 210068026 U CN210068026 U CN 210068026U
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- China
- Prior art keywords
- sand
- tank
- sand washing
- washing
- well
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- 239000004576 sand Substances 0.000 title claims abstract description 220
- 238000011010 flushing procedure Methods 0.000 title claims description 4
- 238000005406 washing Methods 0.000 claims abstract description 106
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000010779 crude oil Substances 0.000 claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 20
- 239000003129 oil well Substances 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 7
- 239000003305 oil spill Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000003912 environmental pollution Methods 0.000 abstract description 7
- 230000003749 cleanliness Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model relates to a novel sand washing tank, which comprises a sand setting tank and an oil spilling tank, wherein the sand setting tank is used for settling stratum sand carried by sand washing circulating fluid returned from a well; the overflow tank is used for separating sand washing liquid, crude oil and stratum sand, the overflow tank is communicated with the sand setting tank through a communicating pipe, and the communicating pipe is used for guiding the sand washing circulating liquid in the sand setting tank to the overflow tank; and the bottom of the overflow tank is communicated with a circulating water supply pipeline which is used for guiding the filtered and separated sand washing liquid to the well. This sand washing jar avoids the stratum sand that returns to get into in the well once more effectively, makes stratum sand and crude oil effective separation simultaneously, is difficult for causing environmental pollution when the clearance sand washing jar, makes things convenient for safety ring to protect, does benefit to and uses widely.
Description
Technical Field
The utility model relates to a workover technical field especially relates to a novel sand washing tank.
Background
In the production process of an oil well, the condition of stratum sand production is very common, the liquid production amount of an oil layer is reduced if the oil layer is light, and a pipe column is blocked if the oil layer is heavy, so that an underground accident is caused, and the sand washing operation is needed to solve the problem. The sand washing operation is to wash out the sand at the bottom of the well by using high-speed flowing liquid, and to take the sand out of the ground by using the circulating capacity of the liquid flow circulating upward, thereby removing the accumulated sand at the bottom of the well and recovering and improving the yield of the oil well.
Ordinary sand washing jar adopts the (2 check or 3 check) cuboid open tank that cut off in area, and the sand washing liquid circulates back from the well and gets into first wall, and the stratum sand that carries falls into jar in, and the oily sewage that returns simultaneously flows through the baffle and gets into the second wall in, circulates to the well through the well-flushing pump again. The sand washing tank of this type has the following disadvantages: firstly, the stratum sand that returns out gets into in the well once more, secondly stratum sand and crude oil can not effectively be separated, cause environmental pollution when the clearance sand washing jar.
Therefore, the inventor provides a novel sand washing tank by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel sand washing tank, the stratum sand that overcomes returning that exists among the prior art returns well, stratum sand and crude oil can not effectively be separated and easily causes environmental pollution scheduling problem, and this sand washing tank avoids the stratum sand that returns to get into in the well once more effectively, makes stratum sand and crude oil effectively separate simultaneously, is difficult for causing environmental pollution when the sand washing tank of clearance, makes things convenient for safety ring to protect, does benefit to and uses widely.
The utility model aims at realizing the sand washing tank, which comprises a sand setting tank and an oil spilling tank, wherein the sand setting tank is used for settling the stratum sand carried by the sand washing circulating fluid returned from the well; the overflow tank is used for separating sand washing liquid, crude oil and stratum sand, the overflow tank is communicated with the sand setting tank through a communicating pipe, and the communicating pipe is used for guiding the sand washing circulating liquid in the sand setting tank to the overflow tank; and the bottom of the overflow tank is communicated with a circulating water supply pipeline which is used for guiding the filtered and separated sand washing liquid to the well.
In a preferred embodiment of the present invention, the bottom of the oil spill tank is provided with a sand filtering structure, and the sand filtering structure is used for filtering the formation sand carried by the sand washing circulation fluid in the oil spill tank.
In a preferred embodiment of the present invention, the sand filtering structure is a slotted screen pipe horizontally disposed, one end of the slotted screen pipe is closed, and the other end of the slotted screen pipe is communicated with the inlet of the circulating water supply line.
In a preferred embodiment of the present invention, the slotted screen has a sand blocking precision of 200 μm.
The utility model discloses an in a preferred embodiment, the import of communicating pipe is located the inner chamber upper portion and the opening of grit chamber set up, the export of communicating pipe is located the inner chamber of oil spilling jar and the opening sets up down.
The utility model discloses an in the preferred embodiment, be located the oil overflow jar outside connect in series the sand washing pump on the water supply line that circulates, the sand washing pump is used for going into the well with the sand washing liquid pump after filtering separation and circulates the sand washing.
In a preferred embodiment of the present invention, the sand settling tank is a cone structure with a cross section gradually reduced from top to bottom.
In a preferred embodiment of the present invention, the top of the sand settling tank is connected to an oil well sand washing outlet pipeline.
In a preferred embodiment of the present invention, the oil well sand washing outlet line is connected in series with a sampling gate.
The utility model discloses an in a preferred embodiment, oil well sand washing outlet pipeline includes the hard pipeline that communicates in with the well, the exit of hard pipeline sets up the elbow, the export of elbow stretches into in the sand setting jar.
From top to bottom, the utility model provides a novel towards sand jar has following beneficial effect:
the utility model provides a novel sand washing tank, not only including the sand setting tank that can subside the stratum sand that sand washing circulation liquid carried, still including the oil spilling jar that can carry out crude oil separation and remaining stratum sand to sand washing circulation liquid, realized twice filtration of stratum sand and the separation of sand washing liquid and crude oil, guaranteed the cleanliness of sand washing liquid, avoid effectively that the stratum sand that returns gets into in the well once more, make stratum sand and crude oil effectively separate simultaneously, be difficult for causing environmental pollution when later stage clearance sand washing tank, the utility model provides a novel sand washing tank convenient to use safety ring protects, does benefit to and uses widely; in the novel sand washing tank provided by the utility model, the sand filtering structure carries out secondary filtration on the stratum sand carried by the sand washing circulating liquid, so that the returned stratum sand is effectively prevented from entering the well again; the utility model provides an among the novel sand washing jar, the sample gate is used for the sample to observe, falls into in the sand setting jar carelessly when avoiding the sample and because the export flow excessively causes liquid to splash, improves operation process's security.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: do the utility model discloses a novel towards sand tank's schematic diagram.
In the figure:
100. a novel sand washing tank;
1. a sand setting tank;
2. an oil overflow tank;
3. a communicating pipe;
4. a circulating water supply line;
5. slotting a sieve tube;
6. a sand washing pump;
7. an oil well sand wash outlet line; 71. a hard pipeline; 72. bending the pipe;
8. a sampling gate.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of explanation only and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the utility model provides a novel sand washing tank 100, which comprises a sand setting tank 1 and an oil spilling tank 2, wherein the sand setting tank 1 is used for settling stratum sand carried by sand washing circulation fluid returned from a well; the overflow tank 2 is used for separating sand washing liquid, crude oil and stratum sand, the overflow tank 2 is communicated with the sand setting tank 1 through a communicating pipe 3, and the communicating pipe 3 is used for guiding the sand washing circulating liquid in the sand setting tank 1 to the overflow tank 2; the bottom of the overflow tank 2 is communicated with a circulating water supply pipeline 4 which is used for guiding the filtered and separated sand washing liquid to the well.
The utility model provides an among the novel sand washing jar, not only including the sand setting jar that can subside the stratum sand that sand washing circulation liquid carried, still including the oil spilling jar that can carry out crude oil separation and remaining stratum sand to sand washing circulation liquid, realized twice filtration of stratum sand and the separation of sand washing liquid and crude oil, guaranteed the cleanliness of sand washing liquid, in the stratum sand that avoids returning effectively gets into the well once more, made stratum sand and crude oil effectively separate simultaneously, difficult environmental pollution that causes during the later stage clearance sand washing jar, the utility model provides a novel sand washing jar convenient to use safety ring protects, does benefit to and uses widely.
Further, as shown in fig. 1, a sand filtering structure is arranged at the bottom of the oil spill tank 2, and the sand filtering structure is used for filtering formation sand carried by the sand washing circulation fluid flowing into the oil spill tank 2. The sand filtering structure carries out secondary filtration to the stratum sand carried by the sand washing circulating liquid, and effectively prevents the returned stratum sand from entering the well again.
In the present embodiment, as shown in fig. 1, the sand filter structure is a slotted screen 5 horizontally disposed, one end of the slotted screen 5 is closed, and the other end of the slotted screen 5 is disposed in communication with the inlet of the circulating water supply line 4. The circulating water supply line 4 and the slotted screen pipe 5 are supported at the bottom of the overflow tank 2 through a bracket. In one embodiment of the present invention, the slotted screen 5 has a sand blocking accuracy of 200 μm and a length of 1 m.
Further, as shown in fig. 1, an inlet of the communication pipe 3 is located at the upper part of the inner cavity of the sand basin 1 and has an opening facing upward, and an outlet of the communication pipe 3 is located in the inner cavity of the overflow tank 2 and has an opening facing downward. The inlet and outlet directions of the communicating pipe 3 are designed in such a way, so that crude oil in the sand washing circulating liquid can conveniently enter the oil overflow tank 2.
Further, as shown in fig. 1, a sand washing pump 6 is connected in series to the circulating water supply line 4 located outside the oil overflow tank 2, and the sand washing pump 6 is used for pumping the sand washing liquid after being filtered and separated into a well for circulating sand washing.
Further, the sand setting tank 1 is in a cone structure with a cross section gradually reduced from top to bottom, and the arrangement of the cone structure enables the formation sand carried by the sand washing circulating fluid to be settled better.
Further, as shown in fig. 1, the top of the sand setting tank 1 is communicated with an oil well sand washing outlet pipeline 7.
As shown in fig. 1, in the present embodiment, a sampling gate 8 is connected in series to the oil well sand wash outlet line 7. The sampling gate 8 is used for sampling and observing, when needing to sample, only need open the sampling gate 8 can to can control the size of sample outlet flow, need not stretch into the sample of the exit to oil well sand washing outlet pipeline 7, in order to avoid causing carelessly to fall into grit chamber 1 and because the export flow is too big to cause liquid to splash, the security is higher.
As shown in fig. 1, in an embodiment of the present invention, the oil well sand washing outlet pipeline 7 includes a hard pipeline 71 (in the prior art, a pipeline with certain hardness, such as a steel pipe) communicated with the inside of the well, and the diameter of the hard pipeline 71 is 73mm (the diameter is determined according to practical conditions, and is not limited to 73 mm); an elbow 72 is arranged at the outlet of the hard pipeline 71, the outlet of the elbow 72 extends into the sand setting tank 1, and the elbow 72 is a 90-degree elbow (the angle is determined according to actual conditions and is not limited to 90 degrees).
Use the utility model discloses a when novel sand washing jar 100 carries out the sand washing operation, the sand washing circulation liquid that the well-in circulation goes out gets into sand setting jar 1 through oil well sand washing outlet pipeline 7, wherein the stratum sand majority that carries in the sand washing circulation liquid falls into sand setting jar 1 bottom, crude oil is wrapping up partial stratum sand and can not fall into sand setting jar 1 bottom, the sand washing circulation liquid that contains crude oil and partial stratum sand flows to overflow tank 2 through communicating pipe 3, crude oil floats realizes crude oil and sand washing liquid on overflow tank 2's upper portion, the stratum sand separation, the stratum sand flows to slot screen pipe 5 along with the sand washing liquid, slot screen pipe 5 filters the stratum sand, the sand washing liquid after the filtration gets into oil well sand washing outlet pipeline 7, and be inhaled sand washing pump 6, squeeze into the well through sand washing pump 6 and carry out circulation sand washing.
From top to bottom, the utility model provides a novel towards sand jar has following beneficial effect:
the utility model provides a novel sand washing tank, not only including the sand setting tank that can subside the stratum sand that sand washing circulation liquid carried, still including the oil spilling jar that can carry out crude oil separation and remaining stratum sand to sand washing circulation liquid, realized twice filtration of stratum sand and the separation of sand washing liquid and crude oil, guaranteed the cleanliness of sand washing liquid, avoid effectively that the stratum sand that returns gets into in the well once more, make stratum sand and crude oil effectively separate simultaneously, be difficult for causing environmental pollution when later stage clearance sand washing tank, the utility model provides a novel sand washing tank convenient to use safety ring protects, does benefit to and uses widely; in the novel sand washing tank provided by the utility model, the sand filtering structure carries out secondary filtration on the stratum sand carried by the sand washing circulating liquid, so that the returned stratum sand is effectively prevented from entering the well again; the utility model provides an among the novel sand washing jar, the sample gate is used for the sample to observe, falls into in the sand setting jar carelessly when avoiding the sample and because the export flow excessively causes liquid to splash, improves operation process's security.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The novel sand washing tank is characterized by comprising a sand setting tank and an oil overflow tank, wherein the sand setting tank is used for settling stratum sand carried by sand washing circulating fluid returned from a well; the overflow tank is used for separating sand washing liquid, crude oil and stratum sand, the overflow tank is communicated with the sand setting tank through a communicating pipe, and the communicating pipe is used for guiding the sand washing circulating liquid in the sand setting tank to the overflow tank; and the bottom of the overflow tank is communicated with a circulating water supply pipeline which is used for guiding the filtered and separated sand washing liquid to the well.
2. The novel sand wash tank as claimed in claim 1, wherein the bottom of the oil spill tank is provided with a sand filtering structure for filtering formation sand carried by the sand wash circulation fluid flowing into the oil spill tank.
3. The new sand wash tank as recited in claim 2, wherein said sand screen is a horizontally disposed slotted screen, one end of which is closed, and the other end of which is disposed in communication with the inlet of said circulating water line.
4. The new sand wash tank as recited in claim 3, wherein said slotted screen has a sand stop accuracy of 200 μm.
5. The novel sand flushing tank as claimed in claim 1, wherein the inlet of the communicating pipe is positioned at the upper part of the inner cavity of the sand basin and the opening of the communicating pipe is arranged upwards, and the outlet of the communicating pipe is positioned in the inner cavity of the overflow tank and the opening of the communicating pipe is arranged downwards.
6. The novel sand washing tank as claimed in claim 1, wherein a sand washing pump is connected in series on the circulating water supply line outside the oil overflow tank, and the sand washing pump is used for pumping the sand washing liquid after being filtered and separated into a well for circulating sand washing.
7. The novel sand washing tank as claimed in claim 1, wherein the sand washing tank is arranged in a cone structure with a cross section which is gradually reduced from top to bottom.
8. The novel sand washing tank as claimed in claim 1, wherein the top of the sand setting tank is communicated with an oil well sand washing outlet pipeline.
9. The new sand wash tank as claimed in claim 8, wherein a sampling gate is connected in series to the oil well sand wash outlet line.
10. The novel sand washing tank as claimed in claim 8, wherein the oil well sand washing outlet pipeline comprises a hard pipeline communicated with the well, an elbow is arranged at the outlet of the hard pipeline, and the outlet of the elbow extends into the sand washing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920412008.7U CN210068026U (en) | 2019-03-28 | 2019-03-28 | Novel sand flushing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920412008.7U CN210068026U (en) | 2019-03-28 | 2019-03-28 | Novel sand flushing tank |
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| Publication Number | Publication Date |
|---|---|
| CN210068026U true CN210068026U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920412008.7U Active CN210068026U (en) | 2019-03-28 | 2019-03-28 | Novel sand flushing tank |
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| CN (1) | CN210068026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075376A (en) * | 2020-02-29 | 2020-04-28 | 潘红涛 | Multifunctional efficient cleaning pool |
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2019
- 2019-03-28 CN CN201920412008.7U patent/CN210068026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075376A (en) * | 2020-02-29 | 2020-04-28 | 潘红涛 | Multifunctional efficient cleaning pool |
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