CN209875136U - Oil-water well acidification is with muddy orchestration - Google Patents
Oil-water well acidification is with muddy orchestration Download PDFInfo
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- CN209875136U CN209875136U CN201920150598.0U CN201920150598U CN209875136U CN 209875136 U CN209875136 U CN 209875136U CN 201920150598 U CN201920150598 U CN 201920150598U CN 209875136 U CN209875136 U CN 209875136U
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Abstract
The utility model discloses a blender for acidification of an oil-water well, which comprises a box body, wherein an acid liquid pipe and a water source pipe are installed at the top of the box body, a liquid outlet pipe is installed at the bottom of the box body, a rotating shaft is horizontally installed in the box body, the rotating shaft is connected with a driving device for driving the rotating shaft to rotate along the axis of the rotating shaft, a stirring blade and a cam are installed on the rotating shaft, the cam is coaxial with the rotating shaft, and a circle of curved groove is formed on the cam along the periphery of the; the top surface articulates in the box has the pendulum post, and the pendulum post bottom is connected with bent groove height pair, still install the several stirring piece on the pendulum post. The utility model discloses can increase the stirring mode, promote stirring effect, improve stirring efficiency.
Description
Technical Field
The utility model relates to an oil-water well acidizing field, in particular to oil-water well acidizing is with mixing orchestration.
Background
Acidification is also called acid treatment and is one of the important measures for oil layer reconstruction and production and injection increase. The acid liquor is injected into the stratum, and the acid liquor and clay minerals, nitrate rocks and other components in oil layer rocks are subjected to chemical action to remove the pore blockage of the oil layer, improve the permeability of the oil layer and improve the flowing condition of oil, gas and water by virtue of the chemical corrosion action of the acid liquor, so that the yield of the oil and gas well or the injection amount of the water injection well is increased.
Because the soil quality to be acidified is different, the types of the acid adopted during acidification are different, and the acid liquor concentration is also different. The acid solution meets the requirement, and the generated product is dissolved in the residual acid, has good compatibility with reservoir fluid and does not pollute the reservoir. However, the acid corrodes metal equipment, the reactant of the acid and iron extrudes into a reservoir to cause reservoir blockage and reduce the acid treatment effect, the corrosion speed of the injected acid liquid on steel needs to be controlled within an allowable safety standard, generally, a corrosion inhibitor is added into the acid liquid, and the corrosion inhibitor is adsorbed on the metal surface through physical adsorption or chemical adsorption to cover the metal surface, so that the corrosion of the metal surface is inhibited. The acid liquor prepared by adding the chemical additive meets the high construction requirement, the transportation and the construction are convenient, and most carbonate rock stratum acid treatment adopts hydrochloric acid carbonate rock. Besides the corrosion inhibitor, surfactants such as a discharge assistant, a dispersant, a retarder, an acid residue resistant agent and the like can be added into the acid liquor. The existing stirring device in the mixing and dispensing device for acidification only has one stirring mode, and when the types of additives are many or the dosage of the additives is small, the mixing effect of the mixing and dispensing device is not ideal and the efficiency is low.
Disclosure of Invention
An object of the utility model is to provide an profit well acidizing with mixing orchestration to solve the problem that above-mentioned background art provided.
In order to realize the above purpose, the technical scheme of the utility model is as follows:
a mixing and dispenser for acidification of an oil-water well comprises a box body, wherein an acid liquid pipe and a water source pipe are installed at the top of the box body, a liquid outlet pipe is installed at the bottom of the box body, a rotating shaft is horizontally installed in the box body, the rotating shaft is connected with a driving device for driving the rotating shaft to rotate along the axis of the rotating shaft, a stirring blade and a cam are installed on the rotating shaft, the cam is coaxial with the rotating shaft, and a circle of curved groove is formed in the curved surface of; the top surface articulates in the box has the pendulum post, and the pendulum post bottom is connected with bent groove height pair, still install the several stirring piece on the pendulum post.
Preferably, the cam is fixedly provided with a limiting block for preventing the bottom end of the swinging column from separating from the curved groove.
Preferably, the axis of the swing post rotating around the hinge is perpendicular to the axis of the rotating shaft.
Preferably, the stirring sheet is provided with a plurality of through holes.
Preferably, still install the additive pipe on the box, the additive union coupling has several to divide the liquid pipe, divides the liquid pipe to install the top surface in the box, and divides to open on the liquid pipe and have several drip mouth.
The utility model has the advantages that:
(1) motor drive rotates around its axis, and stirring vane stirs the acidizing fluid in the box, and the cam rotates simultaneously, drives and shakes the pendulum post and do the pendulum motion, and the stirring piece does and stirs the acidizing fluid in the box, has increased the acidizing fluid to the stirring mode, promotes the mixing effect, improves mixing efficiency.
(2) The additive pipe is additionally arranged, and the plurality of liquid separating pipes connected with the additive pipe can enable the additive to be dispersedly dripped into the acid liquor in the box body, so that the acid liquor and the additive can be better mixed, and the mixing effect is further improved.
(3) Two stirring modes can be obtained only by one driving device, the structure is simple, the operation is easy, and the stirring efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 1-box body, 11-acid liquid pipe, 12-water source pipe, 13-liquid outlet pipe, 14-additive pipe, 15-liquid separating pipe, 151-liquid dropping port, 16-observation window, 2-rotating shaft, 3-driving device, 4-stirring blade, 5-cam, 51-curved groove, 52-limiting block, 6-swinging column, 61-stirring sheet and 62-through hole.
Detailed Description
The technical solutions in the present embodiments will be clearly and completely described below with reference to the accompanying drawings in the present embodiments, which, however, should not be construed as limiting the present invention to specific embodiments, but are for explanation and understanding only:
as shown in fig. 1, the present embodiment provides a blender for acidification of oil-water wells, which comprises a box body 1, a rotating shaft 2, a driving device 3, a stirring blade 4, a cam 5 and a swing column 6.
Acid liquid pipe 11, water source pipe 12 and additive pipe 14 are installed at 1 top of box, and acid liquid pipe 11 is connected with the acidizing fluid storage jar of waiting to stir, and water source pipe 12 is connected with outside water source, and additive pipe 14 is connected with several branch liquid pipe 15, several divide liquid pipe 15 to all install top surface in box 1, and it has several drip 151 to open on the branch liquid pipe 15, and drip 151's the directional box 1 bottom of dropping liquid direction, several drip 151 can not be more than additive pipe 14 can the flow that can pass of flow sum, and branch liquid pipe 15 can make the additive instil into the acidizing fluid in box 1 dispersedly, is favorable to better mixed acidizing fluid and additive, improves mixing efficiency. The bottom of the box body 1 is provided with a liquid outlet pipe 13, and valves convenient for controlling the flow are arranged on the acid liquid pipe 11, the water source pipe 12, the additive pipe 14 and the liquid outlet pipe 13.
The driving device 3 comprises a motor; the rotating shaft 2 is horizontally arranged in the box body 1, one end of the rotating shaft 2 is connected with the inner wall of the box body 1 through a bearing, the other end of the rotating shaft penetrates through the side wall of the box body 1 and is connected with an output shaft of the motor, and the rotating shaft 2 penetrates through the side wall of the box body 1 and is provided with a bearing.
The cam 5 is fixedly arranged on the rotating shaft 2 and is coaxial with the rotating shaft 2, the cam 5 is barrel-shaped, the cross section area of the middle part of the cam 5 is larger than the areas of the top surface and the bottom surface of the cam 5, a circle of curved groove 51 is formed in the curved surface of the cam 5, and the included angle between the working surface where the curved groove 51 is located and the axis of the rotating shaft 2 is smaller than 90 degrees, preferably 30 degrees; a plurality of limiting blocks 52 are fixedly arranged on the surface of the cam 5 close to the curved groove 51.
Two sets of stirring vane 4 and fixed mounting are on pivot 2, and two sets of stirring vane 4 all is coaxial with pivot 2 and is located the both ends of cam 5 respectively.
The swing post 6 is hinged to the inner top surface of the box body 1 through a hinged piece, the axis of the swing post 6 rotating around the hinged piece is perpendicular to the axis of the rotating shaft 2, the bottom end of the swing post 6 is smaller than the top end, and the bottom end of the swing post is connected with the curved groove 51 in a high pair mode. The side wall of the swing post 6 is also fixedly provided with a plurality of stirring pieces 61, the included angle between the working surface of each stirring piece 61 and the horizontal plane is 0-75 degrees, the stirring pieces 61 are provided with a plurality of through holes 62 convenient for acid liquor to pass through, when the swing post 6 performs pendulum movement, the stirring pieces 61 can stir the liquid in the box body 1, and the stirring pieces 61 do not collide with other components in the box body 1 in the movement process of the swing post 6.
The side wall of the box body 1 is also provided with an observation window 16, so that a user can conveniently check the stirring condition in the box body 1.
In the embodiment, the stirring and mixing of the acid liquor are involved, and components in contact with the acid liquor are all made of materials which are resistant to corrosion of the acid liquor.
The electrical components present in this embodiment are all electrically connected to the 220V mains.
It is to be understood that the above examples are merely illustrative for clarity of description and are not limiting on the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (5)
1. The utility model provides an oil-water well acidizing is with muddy orchestration, includes box (1), and sour liquid pipe (11) and water source pipe (12) are installed at box (1) top, and drain pipe (13), its characterized in that are installed to box (1) bottom: a rotating shaft (2) is horizontally installed in the box body (1), the rotating shaft (2) is connected with a driving device (3) for driving the rotating shaft to rotate along the axis of the rotating shaft, a stirring blade (4) and a cam (5) are installed on the rotating shaft (2), the cam (5) and the rotating shaft (2) are coaxial, and a circle of curved groove (51) is formed in the curved surface of the cam (5); the top surface articulates in box (1) has and shakes pendulum post (6), shakes the high pair of being connected in post (6) bottom and curved groove (51), still install several stirring piece (61) on shaking pendulum post (6).
2. The blender for acidification of oil and water wells as claimed in claim 1, wherein: and a limiting block (52) for preventing the bottom end of the swinging column (6) from being separated from the curved groove (51) is fixedly arranged on the cam (5).
3. The blender for acidification of oil and water wells as claimed in claim 1, wherein: the axis of the rotation of the swing column (6) around the hinge is vertical to the axis of the rotating shaft (2).
4. The blender for acidification of oil and water wells as claimed in claim 1, wherein: the stirring sheet (61) is provided with a plurality of through holes (62).
5. The blender for acidification of oil and water wells as claimed in claim 1, wherein: still install additive pipe (14) on box (1), additive pipe (14) are connected with several and divide liquid pipe (15), divide liquid pipe (15) to install top surface in box (1), and divide and open on liquid pipe (15) and have several drip (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150598.0U CN209875136U (en) | 2019-01-29 | 2019-01-29 | Oil-water well acidification is with muddy orchestration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150598.0U CN209875136U (en) | 2019-01-29 | 2019-01-29 | Oil-water well acidification is with muddy orchestration |
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| Publication Number | Publication Date |
|---|---|
| CN209875136U true CN209875136U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920150598.0U Active CN209875136U (en) | 2019-01-29 | 2019-01-29 | Oil-water well acidification is with muddy orchestration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075963A (en) * | 2021-12-20 | 2022-02-22 | 青岛爱派能源科技有限公司 | Online acidizing experimental apparatus of fracture-cavity type oil reservoir |
| CN114075963B (en) * | 2021-12-20 | 2024-06-11 | 青岛爱派能源科技有限公司 | Online acidizing experimental device of fracture-cavity oil reservoir |
-
2019
- 2019-01-29 CN CN201920150598.0U patent/CN209875136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075963A (en) * | 2021-12-20 | 2022-02-22 | 青岛爱派能源科技有限公司 | Online acidizing experimental apparatus of fracture-cavity type oil reservoir |
| CN114075963B (en) * | 2021-12-20 | 2024-06-11 | 青岛爱派能源科技有限公司 | Online acidizing experimental device of fracture-cavity oil reservoir |
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