CN212568348U - Gemini surfactant oil well wax control agent wax control effect evaluation device - Google Patents
Gemini surfactant oil well wax control agent wax control effect evaluation device Download PDFInfo
- Publication number
- CN212568348U CN212568348U CN202021146298.4U CN202021146298U CN212568348U CN 212568348 U CN212568348 U CN 212568348U CN 202021146298 U CN202021146298 U CN 202021146298U CN 212568348 U CN212568348 U CN 212568348U
- Authority
- CN
- China
- Prior art keywords
- test tube
- top cover
- oil well
- gemini surfactant
- control agent
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a Gemini surfactant oil well wax control agent wax control effect evaluation device, which relates to a chemical performance evaluation device, comprising a storage tank, a test tube and a recovery tank which are connected in sequence, wherein a first flow rate measuring meter and a water pump are arranged on a connecting pipeline of the storage tank and the test tube; a second flow rate measuring meter is arranged on a connecting pipeline of the test tube and the recovery tank; the test tube is internally filled with the cylindrical piece, the cylindrical piece is formed by winding a steel wire, the top cover is installed at the open end of the test tube, the center of the bottom surface of the top cover is rotatably connected with a rotating platform, the rotating platform is driven by a rotating motor installed on the top surface of the top cover, a plurality of vertical insertion rods are arranged on the bottom surface of the rotating platform, and the top surface of the cylindrical piece is provided with insertion holes matched with the insertion rods. The utility model discloses the process is simple, and the simple operation can effective simulation test out paraffin control effect and the viscosity reduction effect of paraffin control agent under the true condition.
Description
Technical Field
The utility model relates to a chemicals performance evaluation device especially relates to a gemini surfactant oil well wax control agent paraffin control effect evaluation device.
Background
The crude oil contains wax, colloid and asphaltene components, and belongs to high-coagulation and high-viscosity crude oil. Wax, colloid and asphaltene in crude oil begin to separate out at certain temperature, pressure and flow speed and deposit on the inner surfaces of equipment such as pipelines, valves, separators, storage tanks and the like, so that the flow resistance and energy consumption are increased, the crude oil production and the pipe transportation production are reduced, and accidents such as pipeline blockage, pump clamping, sucker rod clamping and the like are caused in serious cases, so that the wax removal and prevention construction of pipelines and oil well pipes is required frequently. At present, mechanical, thermal, chemical, microbial, ultrasonic and other wax removal and prevention technologies have been developed, wherein the chemical wax removal and prevention technology is widely applied, and a plurality of series of polymer type and surfactant type wax prevention agents have been developed, and the effect of the wax removal agent needs to be evaluated in the research and development process of the wax prevention agent.
The existing wax inhibitor wax-proof effect evaluation devices mostly adopt test cups, whether wax deposition exists is judged according to the mass difference of the test cups, the test cups are generally fixed on a constant-temperature jacket, and then long-time stirring is carried out to enable the wax to be deposited on the inner wall of the test cup, so that the time is consumed, when weighing is carried out, the test cups need to be taken down from the jacket and then poured out internal fluid, and then the weighing is carried out, and the process is complicated and inconvenient; in addition, the real flowing condition of the petroleum in the pipeline can not be simulated by adopting the test cup, and if the test cup can be designed, the test cup can simulate the flowing process of the petroleum in the pipeline and has better significance for evaluating the comprehensive wax-proof effect of the wax-proof agent.
Disclosure of Invention
An object of the utility model is to overcome the not enough of above-mentioned technique, provide a gemini surfactant oil well wax control agent wax control effect evaluation device, the process is simple, and the simple operation can effective simulation test out wax control effect and the viscosity reduction effect of wax control agent under the true condition.
In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:
a Gemini surfactant oil well paraffin inhibitor effect evaluation device comprises a storage tank, a test tube and a recovery tank which are sequentially connected, wherein the test tube is of a hollow structure with an open top end, a constant-temperature jacket is sleeved outside the storage tank and connected with a constant-temperature circulating water bath box, the storage tank is connected with the side wall of the bottom of the test tube through a first pipeline, and a first flow rate measuring meter and a water pump are installed on the first pipeline; the side wall of the top of the test tube is connected with the recovery tank through a second pipeline, and a second flow rate meter is mounted on the second pipeline; the test tube is filled with a cylindrical part, the cylindrical part is formed by winding a steel wire, a top cover is installed at the open end of the test tube, a plug-in matching structure is arranged between the top cover and the test tube, the center of the bottom surface of the top cover is rotationally connected with a rotating table, the rotating table is driven by a rotating motor installed on the top surface of the top cover, the output end of the rotating motor penetrates through the top cover to be connected with the rotating table, a plurality of vertical insertion rods are arranged on the bottom surface of the rotating table, the top surface of the cylindrical part is provided with insertion holes matched with the insertion rods, and the cylindrical part can be fixedly connected with the rotating table; the periphery of the test tube is provided with a second constant-temperature jacket, and the second constant-temperature jacket is connected with a second constant-temperature circulating water bath box.
The utility model discloses a further improvement lies in, the inserted bar is equipped with threely and along the even interval distribution of revolving stage circumferencial direction, the inserted bar is close to the outer fringe setting of revolving stage.
The utility model discloses a further improvement lies in, the test tube is the stainless steel test tube.
The utility model discloses a further improvement lies in, the outer wall of cylindrical spare touches with the inner wall of test tube, and when wax deposit was on the test tube inner wall, cylindrical spare can be scraped wax and be stained with to self on.
The utility model discloses a further improvement lies in, top cap bottom outer fringe is equipped with the round sealing ring, prevents that the fluid from oozing from the top cap.
The utility model discloses a further improvement lies in, all install the valve on first pipeline and the second pipeline.
The utility model discloses a further improvement lies in, the valve is the plug valve, opens and close rapidly, lightly, is applicable to frequent operation.
The working principle is as follows: the paraffin inhibitor-containing crude oil sample is stored in a storage tank front and back, the temperature of a first constant-temperature jacket outside the storage tank is set to be about 60 ℃, the temperature of a constant-temperature jacket outside the test pipe is set to be the national standard condensation point of a pure oil sample, a cylindrical part is continuously rotated and stirred when the oil sample passes through the test pipe, paraffin is deposited in the oil sample cooling process and is deposited in the cylindrical part, after the test is finished, the cylindrical part is pulled out along with a top cover, then the cylindrical part is pulled out from the top cover, and the paraffin inhibitor effect of the paraffin inhibitor is evaluated through testing the quality difference of the cylindrical part front and back under the conditions of adding the paraffin inhibitor and not adding the paraffin inhibitor. And evaluating the viscosity reduction effect of the paraffin inhibitor through the flow rate difference of the oil samples in the connecting pipelines between the storage tank and the test pipe and between the test pipe and the recovery tank.
The utility model has the advantages that:
(1) through wax deposit in cylindrical spare, take out cylindrical spare then can test its front and back quality change in order to judge the wax control effect of wax control agent, compare with traditional test cup test, the process is practiced thrift, weak point consuming time, test convenient and fast more.
(2) The dynamic flowing condition of petroleum in the pipeline in reality is simulated by adopting a testing pipe, and the viscosity reduction effect of the paraffin inhibitor is judged according to the flow speed change of a fluid inlet and a fluid outlet of the testing pipe, so that the method is more intuitive and has practical significance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic structural diagram of the utility model after the top cover is pulled out.
Fig. 3 is a schematic top view of the cylindrical member of the present invention.
Fig. 4 is a schematic structural diagram of the top cover of the present invention.
In the figure: the device comprises a storage tank 1, a test tube 2, a recovery tank 3, a constant-temperature jacket 4, a constant-temperature circulating water bath box 5, a first pipeline 6, a first flow rate measuring meter 7, a second pipeline 8, a second flow rate measuring meter 9, a cylindrical part 10, a top cover 11, a rotating platform 12, a rotating motor 13, an inserted bar 14, a jack 15, a second constant-temperature jacket 16, a second constant-temperature circulating water bath box 17, a sealing ring 18, a valve 19 and a water pump 20.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, a gemini surfactant oil well paraffin inhibitor paraffin inhibition effect evaluation device comprises a storage tank 1, a test tube 2 and a recovery tank 3 which are sequentially connected, wherein the test tube 2 is of a hollow structure with an open top end, a first constant temperature jacket 4 is sleeved outside the storage tank 1, the first constant temperature jacket 4 is connected with a first constant temperature circulating water bath tank 5, the storage tank 1 is connected with the bottom side wall of the test tube 2 through a first pipeline 6, and a first flow rate measuring meter 7 and a water pump 20 are installed on the first pipeline 6; the side wall of the top of the test tube 2 is connected with the recovery tank 3 through a second pipeline 8, and a second flow rate meter 9 is installed on the second pipeline 8; the testing tube 2 is filled with a cylindrical part 10, the cylindrical part 10 is formed by winding a steel wire, the open end of the testing tube 2 is provided with a top cover 11, a plug-pull matching structure is formed between the top cover 11 and the testing tube 2, the center of the bottom surface of the top cover 11 is rotatably connected with a rotating table 12, the rotating table 12 is driven by a rotating motor 13 arranged on the top surface of the top cover 11, the output end of the rotating motor 13 penetrates through the top cover 11 to be connected with the rotating table 12, the bottom surface of the rotating table 12 is provided with a plurality of vertical inserting rods 14, the top surface of the cylindrical part 10 is provided with inserting holes 15 matched with the inserting rods 14, and the cylindrical part 10 can; no. two constant temperature jackets 16 are installed to the periphery of test tube 2, and No. two constant temperature jackets 16 are connected with No. two constant temperature circulating water bath box 17.
The three insertion rods 14 are uniformly distributed along the circumferential direction of the rotating table 12 at intervals, and the insertion rods 14 are disposed near the outer edge of the rotating table 12.
The test tube 2 is a stainless steel test tube 2.
The outer wall of the cylindrical member 10 contacts the inner wall of the test tube 2, and when wax is deposited on the inner wall of the test tube 2, the cylindrical member 10 scrapes the wax and is attached to the cylindrical member.
The first pipeline 6 and the second pipeline 8 are both provided with valves 19, and the valves 19 are plug valves, so that the valve is quick and convenient to open and close and is suitable for frequent operation.
As shown in FIG. 4, the bottom outer edge of the top cover 11 is provided with a ring of sealing rings 18 to prevent fluid from leaking out of the top cover 11.
The working principle is as follows: the paraffin inhibitor storage tank is characterized in that crude oil samples with and without the paraffin inhibitor are stored in the storage tank 1 front and back, the set temperature of a first constant-temperature jacket 4 outside the storage tank 1 is about 60 ℃, the temperature of a constant-temperature jacket outside the test tube 2 is set to be the national standard condensation point of a pure oil sample, the cylindrical part 10 is continuously rotated and stirred when the oil samples pass through the test tube 2, paraffin is deposited in the oil sample cooling process and is deposited in the cylindrical part 10, after the test is finished, the cylindrical part 10 is pulled out together with the top cover 11, the cylindrical part 10 is pulled out from the top cover 11, and the paraffin inhibitor effect of the paraffin inhibitor is evaluated through testing the quality difference of the cylindrical part 10 front and back under the conditions that the paraffin inhibitor is added and the paraffin inhibitor is not added. The viscosity reduction effect of the paraffin inhibitor is evaluated through the flow rate difference of oil samples in the connecting pipelines between the storage tank 1 and the test tube 2 and between the test tube 2 and the recovery tank 3.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (7)
1. The device for evaluating the paraffin control effect of the gemini surfactant oil well paraffin control agent comprises a storage tank, a test pipe and a recovery tank which are sequentially connected, wherein the test pipe is of a hollow structure with an open top end; the side wall of the top of the test tube is connected with the recovery tank through a second pipeline, and a second flow rate meter is mounted on the second pipeline; the testing tube is filled with a cylindrical part, the cylindrical part is formed by winding a steel wire, a top cover is installed at the open end of the testing tube, a plug-in matching structure is formed between the top cover and the testing tube, the center of the bottom surface of the top cover is rotationally connected with a rotating table, the rotating table is driven by a rotating motor installed on the top surface of the top cover, a plurality of vertical insertion rods are arranged on the bottom surface of the rotating table, and insertion holes matched with the insertion rods are formed in the top surface of the cylindrical part; a constant temperature jacket is installed at the periphery of the test tube and is connected with a constant temperature circulating water bath box.
2. The apparatus of claim 1, wherein the three insertion rods are uniformly spaced along the circumference of the rotary table and are disposed near the outer edge of the rotary table.
3. The device for evaluating the paraffin control effect of the gemini surfactant oil well paraffin control agent according to claim 1, wherein the test tube is a stainless steel test tube.
4. The apparatus of claim 1, wherein the outer wall of the cylindrical member is in contact with the inner wall of the test tube.
5. The device for evaluating the paraffin inhibition effect of the gemini surfactant oil well paraffin inhibitor as claimed in claim 1, wherein a ring of sealing ring is arranged on the bottom outer edge of the top cover.
6. The device for evaluating the paraffin control effect of the gemini surfactant oil well paraffin control agent according to claim 1, wherein valves are installed on the first pipeline and the second pipeline.
7. The device for evaluating the paraffin control effect of the gemini surfactant oil well paraffin control agent as claimed in claim 6, wherein the valve is a plug valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146298.4U CN212568348U (en) | 2020-06-19 | 2020-06-19 | Gemini surfactant oil well wax control agent wax control effect evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146298.4U CN212568348U (en) | 2020-06-19 | 2020-06-19 | Gemini surfactant oil well wax control agent wax control effect evaluation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212568348U true CN212568348U (en) | 2021-02-19 |
Family
ID=74635223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021146298.4U Active CN212568348U (en) | 2020-06-19 | 2020-06-19 | Gemini surfactant oil well wax control agent wax control effect evaluation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212568348U (en) |
-
2020
- 2020-06-19 CN CN202021146298.4U patent/CN212568348U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203178161U (en) | Fracturing fluid pipeline friction measuring device | |
| CN110702595B (en) | Multifunctional automatic simulation test device for top corrosion of wet gas pipeline | |
| CN110208500B (en) | Crude oil pipeline wax sediment pipe cleaning simulation experiment method | |
| CN109856036A (en) | A kind of high temperature and pressure gas, liquid, solid three-phase erosion corrosion test device and method | |
| CN105675450B (en) | Floating roof crude oil storage tank heat and mass transfer process experimental provision and its experimental method | |
| CN203835304U (en) | Foam discharging shaft sand carrying visualization experiment device | |
| CN106018156B (en) | Dynamic simulation evaluation device and evaluation method for chemical paraffin remover | |
| CN110542649B (en) | Multifunctional liquid single-phase flow flowing corrosion testing loop | |
| CN104500978A (en) | Leakage diffusion experiment device for buried oil and water pipeline and working method of leakage diffusion experiment device | |
| CN202533355U (en) | System for simulating field dynamic corrosion of acid natural gas field | |
| CN104215571A (en) | Method for testing high-temperature and high-pressure corrosion rate of multi-phase medium | |
| CN107246262A (en) | A kind of leakage amount detecting device and method for simulating oil well pump working environment | |
| CN110631987A (en) | Multifunctional automatic simulation test device for corrosion under sediment | |
| CN103899261A (en) | Visualization experiment device and method for sand-carrying of foam discharging shaft | |
| CN111175167A (en) | Wax deposition characteristic and pipe flow characteristic simulation experiment device for wax-containing crude oil | |
| LU102460B1 (en) | Multifunctional Automatic Simulation Test Device for Top Corrosion of Wet Gas Pipeline | |
| CN212568348U (en) | Gemini surfactant oil well wax control agent wax control effect evaluation device | |
| CN209067182U (en) | CO2The simulator of gas drive pit shaft fouling | |
| CN204116196U (en) | Multiphase medium high temperature pressure corrosion rate test device | |
| CN105486609A (en) | High-temperature and high-pressure viscosity tester for testing viscosity of crude oil | |
| CN103091027B (en) | Liquid pipeline equipment flowing pressure loss tester and testing method | |
| CN202735197U (en) | Device for evaluating performance of leaking stoppage product | |
| CN201121514Y (en) | Oil gas well foam drainage experimental device | |
| CN204964305U (en) | Multi -functional simulation tests system of splitting that sends | |
| CN106680145B (en) | Liquid pipeline friction resistance measuring device and method using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |