CN211974948U - High-pressure injection machine for oilfield chemical agent - Google Patents
High-pressure injection machine for oilfield chemical agent Download PDFInfo
- Publication number
- CN211974948U CN211974948U CN202020282252.9U CN202020282252U CN211974948U CN 211974948 U CN211974948 U CN 211974948U CN 202020282252 U CN202020282252 U CN 202020282252U CN 211974948 U CN211974948 U CN 211974948U
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- Prior art keywords
- injection cylinder
- cylinder
- injection
- piston block
- conveying pipe
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- 238000002347 injection Methods 0.000 title claims abstract description 97
- 239000007924 injection Substances 0.000 title claims abstract description 97
- 239000013043 chemical agent Substances 0.000 title description 5
- 239000003814 drug Substances 0.000 claims abstract description 45
- 239000000126 substance Substances 0.000 claims abstract description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 238000005457 optimization Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model provides an oil field chemical high pressure injection machinery, include: an injection cylinder, a piston block and a hydraulic cylinder; a piston block is arranged in the injection cylinder and is in up-and-down sliding fit with the injection cylinder; the top end of the injection cylinder is provided with a hydraulic cylinder, the hydraulic cylinder is fixedly connected with the injection cylinder through a bolt, and the bottom end of a piston rod of the hydraulic cylinder penetrates into the injection cylinder downwards in a clearance fit mode and is in threaded connection with the top end of the piston block; the utility model has the advantages of simple structure, the mode through the piston motion is to the medicament pressurization in the injection cylinder, improves the medicament and pours into the effect in the oil pipe into, and has the gas vent, conveniently throws the medicament in the feed tank and flows into the injection cylinder, thereby effectual solution the utility model provides a problem and not enough.
Description
Technical Field
The utility model relates to an oil field exploitation equipment technical field, more specifically the theory that says so especially relates to an oil field chemical high pressure injection machinery.
Background
Some oil is too sticky during oil exploitation, and a shaft is difficult to lift, so that in order to ensure normal production of the oil, a medicament needs to be added, and the exploitation is convenient. The existing wellhead dosing device is high in cost, poor in flexibility, and difficult to control the dosing amount of the added medicament, so that the medicament is wasted.
In view of the above, utility model patent publication (announcement) no: CN206468332U discloses an oil well head automatic reagent feeding device, including throwing material jar, scale, flowmeter, defeated oil pipe, baffle, expanding spring, connector, sieve mesh, defeated oil pipe, sealing washer, oil-out, backing plate, push-and-pull rod, nitrogen gas filling device, camera and support, throwing material jar be connected with defeated oil pipe one end, the defeated oil pipe other end and defeated oil pipe bottom intercommunication, install the flowmeter on the defeated oil pipe, defeated oil pipe is equipped with the baffle with defeated oil pipe junction, defeated oil pipe bottom is equipped with the connector, is equipped with the sieve mesh on the connector, the connector bottom is equipped with the support, defeated oil pipe bottom is equipped with the camera, defeated oil pipe upper end is equipped with the oil-out, nitrogen gas filling device and. The utility model discloses avoid impurity jam pipeline in the petroleum, do not need the manual medicine, degree of automation is high, reduces artifical output, simple structure, and convenient to use does benefit to the popularization. However, the pressure of the automatic dosing device for the oil wellhead is small when dosing is carried out, and the effect of injecting the medicament into the oil pipeline is poor, so that the automatic dosing device for the oil wellhead has an improved space.
In view of the above, the present invention provides a high-pressure injection machine for oilfield chemicals, which is developed to solve the problems and improve the practical value.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil field chemical agent high pressure injection machinery to the pressure when adding medicine that proposes in solving above-mentioned background art is less, and the medicament injects the relatively poor problem of defeated oil pipe's effect and is not enough.
In order to achieve the above object, the utility model provides an oil field chemical agent high pressure injection machinery, is reached by following specific technological means:
an oilfield chemical high pressure injection machine, comprising: the device comprises an injection cylinder, a piston block, a hydraulic cylinder, an exhaust port, a first medicine conveying pipe, a feeding tank, a flowmeter, a second medicine conveying pipe, a one-way air inlet valve, an oil conveying pipe, a connecting plate and a check valve; a piston block is arranged in the injection cylinder and is in up-and-down sliding fit with the injection cylinder; the top end of the injection cylinder is provided with a hydraulic cylinder, the hydraulic cylinder is fixedly connected with the injection cylinder through a bolt, and the bottom end of a piston rod of the hydraulic cylinder penetrates into the injection cylinder downwards in a clearance fit mode and is in threaded connection with the top end of the piston block; an exhaust port is welded in the middle of the outer wall of the left side of the injection cylinder, and a first medicine conveying pipe is connected to the middle of the outer wall of the right side of the injection cylinder through a flange; one end of the first medicine conveying pipe, which is far away from the injection cylinder, is connected with a flowmeter through a flange, and the flowmeter is connected to the bottom end of the feeding tank through a flange; the middle position of the bottom end of the injection cylinder is connected with a second medicine conveying pipe through a flange, and one end, far away from the injection cylinder, of the second medicine conveying pipe is connected with a check valve through a flange; the check valve is connected to the right side wall of the oil delivery pipe through a flange; one side of the bottom end of the injection cylinder is in threaded connection with a one-way air inlet valve; the outer wall on defeated oil pipe right side has the welding to have the connecting plate, and the right-hand member welding of connecting plate is on injecting into a section of thick bamboo.
As the further optimization of this technical scheme, the utility model relates to an oil field chemical high pressure pours into machinery into a section of thick bamboo is hollow circular cylinder.
As the further optimization of this technical scheme, the utility model relates to an oil field chemical high pressure injection machinery the piston block is circular form, and the piston rod that the piston block passes through the pneumatic cylinder is piston motion about the inside of pouring into a section of thick bamboo into.
As the further optimization of this technical scheme, the utility model relates to an oil field chemical high pressure injection machinery the gas vent is the pipe form, and the gas vent is linked together with the injection section of thick bamboo.
As the further optimization of this technical scheme, the utility model relates to an oil field chemical high pressure injection machinery the connecting plate is right trapezoid shape, and the connecting plate is provided with two of front and back symmetry.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a set up the cylindric injection cylinder of cavity, and the piston rod that the piston piece of the inside circular form of injection cylinder passes through the pneumatic cylinder is piston motion about the inside of injection cylinder, and the mode of being convenient for through piston motion is to the medicament pressurization in the injection cylinder, improves the medicament and pours into the intraductal effect of oil transportation into.
2. The utility model discloses a set up the gas vent and be the pipe form, and the gas vent is linked together with the injection cylinder, is convenient for through the exhaust of gas vent, conveniently throws the medicament in the feed cylinder and flows into in the injection cylinder.
3. The utility model discloses an improvement to an oil field chemical high pressure injection machinery has simple structure, and the mode through piston motion is to the medicament pressurization in the injection cylinder, improves the medicament and pours into the intraductal effect of oil transportation into, and has the gas vent, conveniently throws the advantage that the medicament in the feed tank flowed into in the injection cylinder, thereby effectually solved the utility model discloses the problem that proposes in the background art item is with not enough.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises an injection cylinder 1, a piston block 2, a hydraulic cylinder 3, an exhaust port 4, a first medicine conveying pipe 5, a feeding tank 6, a flowmeter 7, a second medicine conveying pipe 8, a one-way air inlet valve 9, an oil conveying pipe 10, a connecting plate 11 and a check valve 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a specific technical implementation of an oilfield chemical high-pressure injection machine:
an oilfield chemical high pressure injection machine, comprising: the device comprises an injection cylinder 1, a piston block 2, a hydraulic cylinder 3, an exhaust port 4, a first medicine conveying pipe 5, a feeding tank 6, a flowmeter 7, a second medicine conveying pipe 8, a one-way air inlet valve 9, an oil conveying pipe 10, a connecting plate 11 and a check valve 12; a piston block 2 is arranged in the injection cylinder 1, and the piston block 2 is in up-and-down sliding fit with the injection cylinder 1; the top end of the injection cylinder 1 is provided with a hydraulic cylinder 3, the hydraulic cylinder 3 is fixedly connected with the injection cylinder 1 through a bolt, and the bottom end of a piston rod of the hydraulic cylinder 3 downwards penetrates into the injection cylinder 1 in a clearance fit mode and is in threaded connection with the top end of the piston block 2; an exhaust port 4 is welded in the middle of the outer wall of the left side of the injection cylinder 1, and a first medicine conveying pipe 5 is connected in the middle of the outer wall of the right side of the injection cylinder 1 through a flange; one end of the first medicine conveying pipe 5, which is far away from the injection cylinder 1, is connected with a flowmeter 7 through a flange, and the flowmeter 7 is connected to the bottom end of the feeding tank 6 through a flange; the middle position of the bottom end of the injection cylinder 1 is connected with a second medicine conveying pipe 8 through a flange, and one end, far away from the injection cylinder 1, of the second medicine conveying pipe 8 is connected with a check valve 12 through a flange; the check valve 12 is connected to the right side wall of the oil delivery pipe 10 through a flange; one side of the bottom end of the injection cylinder 1 is in threaded connection with a one-way air inlet valve 9; the outer wall on defeated oil pipe 10 right side has welded connecting plate 11, and the right-hand member of connecting plate 11 welds on filling into a section of thick bamboo 1.
Specifically, the injection cylinder 1 has a hollow cylindrical shape.
Specifically, piston block 2 is circular form, and piston block 2 is piston motion about the piston rod of passing through pneumatic cylinder 3 is in the inside of pouring into a section of thick bamboo 1, and pneumatic cylinder 3 during operation drives piston block 2 through its piston rod and reciprocates.
Specifically, the exhaust port 4 is in a circular tube shape, the exhaust port 4 is communicated with the injection cylinder 1, the exhaust port 4 is used for exhausting in the injection cylinder 1, when a piston rod of the hydraulic cylinder 3 is retracted, the piston block 2 hovers above the exhaust port 4, and the air pressure inside the injection cylinder 1 is balanced with the external air pressure through the exhaust of the exhaust port 4, so that the medicament in the feeding tank 6 flows into the injection cylinder 1.
Specifically, referring to fig. 1, the connecting plate 11 is in a right trapezoid shape, and the connecting plate 11 is provided with two symmetrical positions.
The method comprises the following specific implementation steps:
when the piston rod of the hydraulic cylinder 3 is retracted, the piston rod drives the piston block 2 to suspend above the air outlet 4, the air pressure in the injection cylinder 1 is balanced with the external air pressure through the air outlet 4, so that the medicament in the feeding tank 6 flows into the injection cylinder 1, when the piston rod of the hydraulic cylinder 3 extends out, the piston rod pushes the piston block 2 to pressurize the medicament flowing into the injection cylinder 1 and push the check valve 12 open, the medicament flows into the oil delivery pipe 10, after the injection is finished, the piston rod of the hydraulic cylinder 3 drives the piston block 2 to ascend, at the moment, the check valve 12 is automatically closed to prevent the oil body in the oil delivery pipe 10 from flowing into the second medicament delivery pipe 8, the one-way air inlet valve 9 is passively opened under the action of the piston block 2 in the ascending process of the piston block 2, so that the external air enters the injection cylinder 11 to facilitate the ascending of the piston block 2, and when the piston block 2 suspends above the air, the one-way inlet valve 9 is automatically closed.
In summary, the following steps: according to the high-pressure injection machine for the oilfield chemical agent, the hollow cylindrical injection cylinder is arranged, and the circular piston block in the injection cylinder moves up and down in the injection cylinder through the piston rod of the hydraulic cylinder, so that the agent in the injection cylinder is pressurized in a piston movement mode, and the effect of injecting the agent into the oil delivery pipe is improved; the exhaust port is in a circular tube shape and is communicated with the injection cylinder, so that the exhaust through the exhaust port is facilitated, and the medicament in the feeding tank flows into the injection cylinder conveniently; the utility model discloses an improvement to an oil field chemical high pressure injection machinery has simple structure, and the mode through the piston motion is to the medicament pressurization in the injection cylinder, improves the effect in the medicament injection oil pipe, and has the gas vent, conveniently throws the advantage that the medicament in the material jar flowed into in the injection cylinder, thereby effectually solved the utility model provides a problem and not enough.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An oilfield chemical high pressure injection machine, comprising: the device comprises an injection cylinder (1), a piston block (2), a hydraulic cylinder (3), an exhaust port (4), a first medicine conveying pipe (5), a feeding tank (6), a flowmeter (7), a second medicine conveying pipe (8), a one-way air inlet valve (9), an oil conveying pipe (10), a connecting plate (11) and a check valve (12); the method is characterized in that: a piston block (2) is arranged in the injection cylinder (1), and the piston block (2) is in up-down sliding fit with the injection cylinder (1); the top end of the injection cylinder (1) is provided with a hydraulic cylinder (3), the hydraulic cylinder (3) is fixedly connected with the injection cylinder (1) through a bolt, and the bottom end of a piston rod of the hydraulic cylinder (3) downwards penetrates into the injection cylinder (1) in a clearance fit mode and is in threaded connection with the top end of the piston block (2); an exhaust port (4) is welded in the middle of the outer wall of the left side of the injection cylinder (1), and a first medicine conveying pipe (5) is connected in the middle of the outer wall of the right side of the injection cylinder (1) through a flange; one end of the first medicine conveying pipe (5) far away from the injection cylinder (1) is connected with a flowmeter (7) through a flange, and the flowmeter (7) is connected to the bottom end of the feeding tank (6) through a flange; the middle position of the bottom end of the injection cylinder (1) is connected with a second medicine conveying pipe (8) through a flange, and one end, far away from the injection cylinder (1), of the second medicine conveying pipe (8) is connected with a check valve (12) through a flange; the check valve (12) is connected to the right side wall of the oil delivery pipe (10) through a flange; one side of the bottom end of the injection cylinder (1) is in threaded connection with a one-way air inlet valve (9); the outer wall on oil pipeline (10) right side has welded connecting plate (11), and the right-hand member welding of connecting plate (11) is on injecting a section of thick bamboo (1).
2. The oilfield chemical high pressure injection machine of claim 1, wherein: the injection cylinder (1) is in a hollow cylindrical shape.
3. The oilfield chemical high pressure injection machine of claim 1, wherein: the piston block (2) is circular, and the piston block (2) moves up and down in the injection cylinder (1) through a piston rod of the hydraulic cylinder (3).
4. The oilfield chemical high pressure injection machine of claim 1, wherein: the exhaust port (4) is in a circular tube shape, and the exhaust port (4) is communicated with the injection cylinder (1).
5. The oilfield chemical high pressure injection machine of claim 1, wherein: the connecting plate (11) is in a right-angle trapezoid shape, and the connecting plate (11) is provided with two symmetrical positions in front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282252.9U CN211974948U (en) | 2020-03-09 | 2020-03-09 | High-pressure injection machine for oilfield chemical agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282252.9U CN211974948U (en) | 2020-03-09 | 2020-03-09 | High-pressure injection machine for oilfield chemical agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211974948U true CN211974948U (en) | 2020-11-20 |
Family
ID=73393764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020282252.9U Expired - Fee Related CN211974948U (en) | 2020-03-09 | 2020-03-09 | High-pressure injection machine for oilfield chemical agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211974948U (en) |
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2020
- 2020-03-09 CN CN202020282252.9U patent/CN211974948U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 |