CN217055120U - Wax-proof antiscale dosing water injection valve group with novel filtering device - Google Patents
Wax-proof antiscale dosing water injection valve group with novel filtering device Download PDFInfo
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- CN217055120U CN217055120U CN202220316186.1U CN202220316186U CN217055120U CN 217055120 U CN217055120 U CN 217055120U CN 202220316186 U CN202220316186 U CN 202220316186U CN 217055120 U CN217055120 U CN 217055120U
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- water injection
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Abstract
The utility model provides a wax control scale control adds medicine water injection valves with novel filter equipment. Relates to the technical field of oilfield flooding. Install motorised valve, flowmeter and trip valve in proper order according to the rivers direction on the water injection pipe, trip valve rear side, bypass line connection trip valve, check valve on the water injection pipe, clamp connection antisludging agent slowly-releasing bottle is passed through on check valve upper portion. The utility model discloses following beneficial effect has: install scale inhibitor slowly-releasing bottle on the water injection pipeline through the clamp, the piston descends continuously to the interior release medicament of water injection pipeline under the effect of spring to the scale inhibitor, can realize unpowered injection medicament, reduce equipment cost and construction cost, scale inhibitor release bottle can be a plurality of parallelly connected installations on the water injection pipeline, with adaptation flow and switching release, reach the purpose of incessant injection medicament, regularly open the blowoff valve of novel filter, with the impurity discharge of interception in the filter screen, need not to dismantle novel filter, need not to stop the water injection operation.
Description
The technical field is as follows:
the utility model belongs to the technical field of the oil field water injection technique and specifically relates to a wax control scale control adds medicine water injection valves with novel filter equipment.
Background art:
in the ternary complex water injection in-process in oil field, mixing polymer, alkali lye, surfactant active to aquatic injection stratum, reach the purpose of displacement of reservoir oil, ternary complex flooding water injection mode causes the pipeline scale deposit easily, will add antisludging agent usually and prevent that the pipeline scale deposit from influencing the water injection effect, at present, the medicine mode of water injection well divide into two kinds usually: firstly, a low-pressure dosing pump is used for filling before pressurization in a water injection station; secondly, a high-pressure dosing pump at the wellhead of the water injection well is used for filling, however, the environmental conditions are worsened more and more along with the deep development of the oil field, the method shows a certain discomfort, the in-station dosing method is only suitable for the whole block or well group, the dosing cost is high, the pertinence is not strong, and the dosing of a single well cannot be realized; although the wellhead high-pressure dosing pump can meet the requirement of single-well water injection dosing, has strong pertinence and low dosage of the medicament, a high-pressure metering pump, a power line and a water source need to be installed on site, the equipment cost is high, and the construction cost is increased, and the workload of management and maintenance and the industrial power consumption energy consumption are increased.
The utility model has the following contents:
in order to solve the problem that single well water injection dosing equipment cost, construction cost are high, the utility model provides a wax control scale control adds medicine water injection valves with novel filter equipment.
The technical scheme of the utility model is that: the wax-proof and scale-proof dosing and water injection valve group with the novel filtering device comprises a water injection pipe for single-well water injection, wherein an electric valve, a flowmeter and a stop valve are sequentially arranged on the water injection pipe in the water flow direction, the rear side of the stop valve is connected with the stop valve and a check valve through a bypass pipeline on the water injection pipe, and the upper part of the check valve is connected with a scale inhibitor slow release bottle through a clamp;
the bottom outlet of the scale inhibitor slow-release bottle is connected with a stop valve, a piston is in clearance fit in the scale inhibitor slow-release bottle through a sealing ring, the upper part of the piston is provided with a spring and a gland, and the gland is fixedly connected with the scale inhibitor slow-release bottle.
The outlet of the scale inhibitor slow-release bottle is in threaded sealing connection with the adapter tube, the center of the adapter tube is provided with a slow-release hole, the scale inhibitor slow-release bottle is provided with a liquid injection port, and the liquid injection port is provided with a one-way valve.
The novel filter is arranged at the front end of a cut-off valve of the water injection pipe and comprises a cylinder body, a flange is arranged at the upper part of the cylinder body, a flange cover is hermetically connected through a bolt, and an inlet pipe is arranged at the left side of the cylinder body; the right side is equipped with the outlet pipe, import pipe connection barrel position is the reducing pipe that the diameter enlarges, and the barrel internal surface of reducing pipe inboard is the plane, is equipped with the filter screen in the barrel, filter screen left side fixed connection sealing ring, and the sealing ring passes through the sealing washer with barrel left side plane and is connected, and sealing ring upper portion top is in the flange lid bottom surface, and the filter screen lower part is the tubular structure, and the pipe network cover of filter screen lower part is on the bellied holding ring in barrel bottom, and the holding ring inboard is installed the blowoff valve on the barrel.
The scale inhibitor slow-release bottles can be arranged on the water injection pipes in parallel.
The utility model discloses following beneficial effect has: injecting antisludging agent into the antisludging agent slow release bottle, the pressure of the antisludging agent slow release bottle after injecting the antisludging agent is higher than the water injection pressure, install the antisludging agent slow release bottle on the water injection pipe through the clamp, open the trip valve of bottom, the antisludging agent descends to the interior release medicament of water injection pipeline continuously under the effect of spring, can realize unpowered injection medicament, reduce equipment cost and construction cost, the antisludging agent slow release bottle can be a plurality of parallelly connected installations on the water injection pipe, in order to adapt to flow and switch release, reach the purpose of incessant injection medicament, regularly open the blowoff valve of novel filter, discharge the impurity of interception in the filter screen, need not to dismantle novel filter, need not to stop the water injection operation.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
fig. 3 is a schematic structural diagram of the novel filter of the present invention.
In the figure, 1 is a water injection pipe, 2 is a scale inhibitor slow release bottle, 3 is an electric valve, 4 is a flowmeter, 5 is a novel filter, 6 is a piston, 7 is a spring, 8 is a gland, 9 is an adapter tube, 10 is a slow release hole, 11 is a liquid injection port, 12 is a one-way valve, 13 is a cylinder, 14 is an inlet tube, 15 is an outlet tube, 16 is a filter screen, 17 is a sealing ring, 18 is a reducer tube, 19 is a positioning ring and 20 is a blow-down valve.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings:
referring to fig. 1 and fig. 2 to 3, the wax-proof scale-proof dosing and water injection valve group with the novel filtering device comprises a water injection pipe 1 for single-well water injection, wherein an electric valve 3, a flowmeter 4 and a stop valve are sequentially arranged on the water injection pipe 1 according to the water flow direction to realize the functions of flow regulation, cutting maintenance and the like, a bypass pipeline on the water injection pipe 1 is connected with the stop valve and a check valve on the rear side of the stop valve, and the upper part of the check valve is connected with a scale inhibitor slow release bottle 2 through a clamp;
the bottom outlet of the scale inhibitor slow-release bottle 2 is connected with a shut-off valve, the interior of the scale inhibitor slow-release bottle 2 is in clearance fit with a piston 6 through a sealing ring, the upper part of the piston 6 is provided with a spring 7 and a gland 8, and the gland 8 is fixedly connected with the scale inhibitor slow-release bottle 2.
The outlet of the scale inhibitor slow-release bottle 2 is connected with an adapter tube 9 in a threaded sealing manner, a slow-release hole 10 is formed in the center of the adapter tube 9, the slow-release hole 10 is processed into different apertures according to flow requirements, the diameter of the slow-release hole 10 is generally smaller than millimeter level, the processing difficulty of the slow-release hole 10 can be reduced by arranging the adapter tube 9, the slow-release hole 10 with different apertures can be replaced, a liquid injection port 11 is formed in the scale inhibitor slow-release bottle 2, a one-way valve 12 is installed on the liquid injection port 11, scale inhibitor is injected into the scale inhibitor slow-release bottle 2, the pressure of the scale inhibitor slow-release bottle 2 after the scale inhibitor is injected is higher than the water injection pressure, the scale inhibitor slow-release bottle 2 is installed on the water injection tube 1 through a clamp, a cut-off valve at the bottom is opened, the piston 6 of the scale inhibitor is descended under the action of a spring 7 to continuously release the medicament into a water injection pipeline, the medicament injection can be realized, and the equipment cost and the construction cost are reduced.
The scale inhibitor slow-release bottles 2 can be arranged on the water injection pipes 1 in parallel to adapt to flow and switch release, so that the aim of injecting medicaments uninterruptedly is fulfilled.
The novel filter 5 is installed at the front end of a cut-off valve of the water injection pipe 1, the novel filter 5 comprises a cylinder body 13, a flange is arranged at the upper part of the cylinder body 13, a flange cover is connected with the upper part of the cylinder body through a bolt in a sealing manner, and an inlet pipe 14 is arranged at the left side of the cylinder body 13; the right side is equipped with outlet pipe 15, the reducing pipe 18 that the inlet pipe 14 connects barrel 13 position for diameter expansion is with the velocity of flow that reduces water, reduce rivers to the impact of filter screen 16, the barrel 13 internal surface of reducing pipe 18 inboard is the plane, be equipped with filter screen 16 in the barrel 13, filter screen 16 left side fixed connection sealing ring 17, sealing ring 17 passes through the sealing washer with barrel 13 left side plane and is connected, sealing ring 17 upper portion top is in the flange lid bottom surface, filter screen 16 lower part is the tubular structure, the pipe network cover of filter screen 16 lower part is on barrel 13 bottom bellied holding ring 19, holding ring 19 inboard, install blowoff valve 20 on the barrel 13, regularly open blowoff valve 20, the impurity that will intercept in filter screen 16 is discharged, need not to dismantle novel filter 5, need not to stop the water injection operation.
Claims (4)
1. The utility model provides a wax control scale control adds medicine water injection valves with novel filter equipment, includes water injection pipe (1) of single-well water injection, its characterized in that: an electric valve (3), a flowmeter (4) and a stop valve are sequentially arranged on the water injection pipe (1) along the water flow direction, a bypass pipeline on the water injection pipe (1) is connected with the stop valve and a check valve at the rear side of the stop valve, and the upper part of the check valve is connected with a scale inhibitor slow release bottle (2) through a clamp;
the bottom outlet of the scale inhibitor slow-release bottle (2) is connected with a stop valve, a piston (6) is in clearance fit with the scale inhibitor slow-release bottle (2) through a sealing ring, the upper part of the piston (6) is provided with a spring (7) and a gland (8), and the gland (8) is fixedly connected with the scale inhibitor slow-release bottle (2).
2. The paraffin control and scale control dosing and water injection valve group with the novel filtering device as claimed in claim 1, is characterized in that: the outlet of the scale inhibitor slow-release bottle (2) is in threaded sealing connection with an adapter tube (9), the center of the adapter tube (9) is provided with a slow-release hole (10), the scale inhibitor slow-release bottle (2) is provided with a liquid injection port (11), and the liquid injection port (11) is provided with a one-way valve (12).
3. The paraffin control and scale control dosing and water injection valve group with the novel filtering device as claimed in claim 1, is characterized in that: the novel filter (5) is installed at the front end of a stop valve of the water injection pipe (1), the novel filter (5) comprises a cylinder body (13), a flange is arranged at the upper part of the cylinder body (13), a flange cover is hermetically connected through a bolt, and an inlet pipe (14) is arranged at the left side of the cylinder body (13); the right side is equipped with outlet pipe (15), inlet pipe (14) are connected barrel (13) position and are reducing pipe (18) that the diameter enlarges, barrel (13) internal surface of reducing pipe (18) inboard is the plane, be equipped with filter screen (16) in barrel (13), filter screen (16) left side fixed connection sealing ring (17), sealing ring (17) pass through the sealing washer with barrel (13) left side plane and are connected, sealing ring (17) upper portion top is in the flange lid bottom surface, filter screen (16) lower part is the tubular structure, the pipe network cover of filter screen (16) lower part is on barrel (13) bottom bellied holding ring (19), holding ring (19) inboard, install blowoff valve (20) on barrel (13).
4. The paraffin control and scale control dosing water injection valve group with the novel filtering device according to claim 1, is characterized in that: a plurality of antisludging agent slow-release bottles (2) which are connected in parallel are arranged on the water injection pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220316186.1U CN217055120U (en) | 2022-02-16 | 2022-02-16 | Wax-proof antiscale dosing water injection valve group with novel filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220316186.1U CN217055120U (en) | 2022-02-16 | 2022-02-16 | Wax-proof antiscale dosing water injection valve group with novel filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055120U true CN217055120U (en) | 2022-07-26 |
Family
ID=82485633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220316186.1U Active CN217055120U (en) | 2022-02-16 | 2022-02-16 | Wax-proof antiscale dosing water injection valve group with novel filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055120U (en) |
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2022
- 2022-02-16 CN CN202220316186.1U patent/CN217055120U/en active Active
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