CN208721673U - Crude oil wax simulator - Google Patents
Crude oil wax simulator Download PDFInfo
- Publication number
- CN208721673U CN208721673U CN201820724362.9U CN201820724362U CN208721673U CN 208721673 U CN208721673 U CN 208721673U CN 201820724362 U CN201820724362 U CN 201820724362U CN 208721673 U CN208721673 U CN 208721673U
- Authority
- CN
- China
- Prior art keywords
- wax
- crude oil
- wax deposition
- deposition pipe
- pipe
- 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
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model provides a kind of crude oil wax simulator, which includes: conveying device, the first conduit, the first wax deposition pipe, first heater and recycling bins；One end of first conduit is connected to conveying device, and the other end of the first conduit is connected to one end of the first wax deposition pipe, and the other end of the first wax deposition pipe is connected to recycling bins；First heater is used to heat the first heating tube；First heater heats the first wax deposition pipe, can increase the temperature of the first wax deposition pipe, so that the temperature of the first wax deposition pipe is identical as the oil pipe temperature of underground certain depth, to improve the accuracy of crude oil wax simulator simulation.
Description
Technical field
The utility model relates to petroleum detection device technical field more particularly to a kind of crude oil wax simulators.
Background technique
In the recovery process of petroleum, as crude oil is dynamic to surface flow in oil pipe, the temperature and pressure of crude oil gradually drops
Low, the paraffin dissolved in petroleum gradually crystallizes, and the paraffin after crystallization can be attached on the inner wall of oil pipe, and then increases crude oil in oil
Flow resistance in pipe；Therefore how the wax deposition process of Simulation of Crude Oil, to measure the wax deposition amount of crude oil, and then determine wax removal operation
Time become research hotspot.
In the prior art, carry out wax deposition process of the Simulation of Crude Oil in oil pipe frequently with crude oil wax simulator, and then really
Determine the time of wax removal.Crude oil wax simulator includes: delivery pump, wax deposition pipe and collecting box, the outlet and wax deposition of delivery pump
One end of pipe is connected to, and by Crude Oil Transportation to wax deposition pipe, the paraffin in crude oil condenses on wax deposition pipe, and the paraffin after condensation is attached
On the inner wall of wax deposition pipe, the other end of wax deposition pipe is connected to collecting box, by the crude oil collection in wax deposition pipe in collecting box
It is interior.After measuring preset time, the paraffin in wax deposition pipe reaches the maximum value of permission, needs to carry out the paraffin in wax deposition pipe at this time clear
It removes, in case paraffin influences the crude oil flow in wax deposition pipe；In production process, after being spaced preset time, oil pipe need to be carried out clear
Lasaxing Oilfield, in case the paraffin being attached on tube inner wall influences crude oil and flows in oil pipe.
However, the oil pipe temperature of underground is higher, and the wax deposition pipe of crude oil wax simulator in the prior art is sudden and violent always
Dew in air, so that the temperature of wax deposition pipe is lower, causes the simulation accuracy of crude oil wax simulator low.
Utility model content
In view of this, the present invention provides a kind of crude oil wax simulators, higher with the oil pipe temperature for solving underground,
And the wax deposition pipe of crude oil wax simulator in the prior art is constantly exposed in air, so that the temperature of wax deposition pipe is lower,
Cause the simulation accuracy of crude oil wax simulator low.
The utility model provides a kind of crude oil wax simulator, comprising: conveying device, the first conduit, the first wax deposition
Pipe, first heater and recycling bins；One end of first conduit is connected to the conveying device, first conduit
The other end is connected to the front end of the first wax deposition pipe, and the rear end of the first wax deposition pipe is connected to the recycling bins；Described
One heating device is used to heat first heating tube；The crude oil wax simulator further includes the first incubator, described
First wax deposition pipe and the first heater are arranged in first incubator.
Crude oil wax simulator as described above, it is preferable that first incubator is asbestos case.
Crude oil wax simulator as described above, it is preferable that the crude oil wax simulator further include controller with
And first sensor；The first sensor is arranged on the first wax deposition pipe, the first sensor and the controller
Electrical connection；The controller is electrically connected with the first heater, and the controller is used to be examined according to the first sensor
The temperature of the first wax deposition pipe measured controls the heating power of the first heater.
Crude oil wax simulator as described above, it is preferable that the crude oil wax simulator further include: the second wax deposition
Pipe, the second conduit, secondary heating mechanism；The both ends of second conduit respectively with the rear end of the first wax deposition pipe and described
The front end of two wax deposition pipes is connected to, and the rear end of the second wax deposition pipe is connected to the recycling bins；The secondary heating mechanism and institute
Controller electrical connection is stated, the secondary heating mechanism is used to heat the second wax deposition pipe.
Crude oil wax simulator as described above, it is preferable that the crude oil wax simulator further include: the first pressure regulation
Device, the second regulator and third conduit；First regulator is arranged on second conduit, for adjusting
State the crude oil pressure in the first wax deposition pipe；The both ends of the third conduit connect with the second wax deposition pipe and the recycling bins respectively
Logical, second regulator is arranged on the third conduit, and second regulator is for adjusting second wax deposition
Crude oil pressure in pipe.
Crude oil wax simulator as described above, it is preferable that the crude oil wax simulator further includes the second heat preservation
Case, the second wax deposition pipe and the secondary heating mechanism are arranged in second incubator.
Crude oil wax simulator as described above, it is preferable that the crude oil wax simulator further includes the second sensing
Device, the second sensor are arranged on the second wax deposition pipe, and the second sensor is electrically connected with the controller, described
Second sensor is used to detect the temperature of second wax deposition.
Crude oil wax simulator as described above, it is preferable that the first heater includes being wrapped in described first
The first electric-heating belt on wax deposition pipe, the secondary heating mechanism include the second electric companion being wrapped on second paraffin precipitation device
The torrid zone.
Crude oil wax simulator as described above, it is preferable that the conveying device includes storage cylinder, piston and conveying
It pumps, there is accommodating chamber on the storage cylinder, the piston is arranged in the accommodating chamber, the accommodating chamber of the upper piston area
It is connected to first conduit, the accommodating chamber of the piston lower portion is connected to the delivery pump.
Crude oil wax simulator as described above, it is preferable that the delivery pump is constant-flux pump.
Crude oil wax simulator provided by the utility model, by make the both ends of the first conduit respectively with conveying device and
One end of first wax deposition pipe is connected to, and the other end of the first wax deposition pipe is connected to recycling bins；First heater is used for the first knot
Ceratuba heating；First heater heats the first wax deposition pipe, can increase the temperature of the first wax deposition pipe, so that the first wax deposition pipe
Temperature it is identical as the oil pipe temperature of underground certain depth, with improve crude oil wax simulator simulation accuracy.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the crude oil wax simulator that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the crude oil wax simulator that another embodiment of the utility model provides；
Fig. 3 is the structural schematic diagram for the crude oil wax simulator that another embodiment of the utility model provides；
Fig. 4 is the structural schematic diagram of conveying device in crude oil wax simulator provided by the embodiment of the utility model.
Description of symbols:
10, conveying device；
20, the first conduit；
30, the first wax deposition pipe；
40, the second conduit；
50, the second wax deposition pipe；
60, third conduit；
70, third wax deposition pipe；
80, the 4th wax deposition pipe；
90, recycling bins；
101, storage cylinder；
102, piston；
103, constant-flux pump；
301, the first incubator；
401, the first regulator；
501, the second incubator；
601, the second regulator；
701, third regulator；
801, the 4th regulator；
4011, hand pump；
4012, valve body.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 is the structural schematic diagram for the crude oil wax simulator that an embodiment of the present invention provides；Fig. 2 is that this is practical
The structural schematic diagram for the crude oil wax simulator that novel another embodiment provides；Fig. 3 mentions for another embodiment of the utility model
The structural schematic diagram of the crude oil wax simulator of confession；Fig. 4 is crude oil wax simulator provided by the embodiment of the utility model
The structural schematic diagram of middle conveying device.
Please refer to Fig. 1-Fig. 4.The present embodiment provides a kind of crude oil wax simulators, comprising: conveying device 10, first are led
Pipe 20, the first wax deposition pipe 30, first heater and recycling bins 90；One end of first conduit 20 is connected to conveying device 10,
The other end of first conduit 20 is connected to the front end of the first wax deposition pipe 30, and the rear end of the first wax deposition pipe 30 is connected to recycling bins 90；
First heater is used to heat the first heating tube.
Specifically, the conveying device 10 in the present embodiment can there are many, as long as can to the first conduit 20 convey crude oil
, such as: conveying device 10 may include centrifugal pump and storage bin, and the import of centrifugal pump is connected to storage bin, delivery pump
Outlet be connected to the first conduit 20；It, will be in the Crude Oil Transportation in storage bin to the first conduit 20 with when being centrifuged pump work.Or
Person's conveying device 10 includes petroleum tank, and the bottom of petroleum tank is provided with connecting tube, and one end of connecting tube is connected to petroleum tank, connection
The other end of pipe is connected to the first conduit 20；The bottom of petroleum tank between ground at a distance from be greater than the first conduit 20 and the first wax deposition
Pipe 30 between ground at a distance from；The valve of control connecting tube on-off is provided in connecting tube, after opening valve, the original in petroleum tank
Oil is flowed into the first conduit 20 under the effect of gravity.
It should be noted that the crude oil that conveying device 10 conveys is the crude oil obtained inside oil well in advance, to guarantee original
Oily wax deposition simulator is identical as the oil composition in detected oil well, guarantees the accuracy of data measured.
In the present embodiment the first conduit 20 can there are many, such as: the first conduit 20 can be for mainly by copper, iron, aluminium etc.
The metal tube or the first conduit 20 that metal material is constituted are nonmetallic to be mainly made of non-metallic materials such as rubber, plastics
Pipe.In the present embodiment the section of the first conduit 20 can there are many, such as: the section of the first conduit 20 can rounded, triangle
The section of the regular shapes such as shape, rectangle or the first conduit 20 is in other irregular shapes.
In the present embodiment the first wax deposition pipe 30 can there are many, such as: the first wax deposition pipe 30 can for mainly by copper, iron,
The metal tube or the first conduit 20 that the metal materials such as aluminium are constituted are non-to be mainly made of non-metallic materials such as rubber, plastics
Metal tube.In addition, the first wax deposition pipe 30 can be in straight tube-like；Or first the bending of wax deposition pipe 30 have a certain degree or radian,
To increase the open ended crude oil volume of the first wax deposition pipe 30.
Preferably, the first wax deposition pipe 30 both ends respectively be removably connected to the first conduit 20 and recycling bins 90, with
After simulating wax deposition, the first wax deposition pipe 30 is disassembled, convenient for weighing to the first wax deposition pipe 30.In the present embodiment
Between one wax deposition pipe 30 and the first conduit 20 be detachably connected can there are many, such as: the first wax deposition pipe 30 front end be arranged
There is the first quick-release connector, the first quick-release connector includes plug division, and deflector hole, the rear end of deflector hole and first are offered on plug division
Wax deposition pipe 30 is connected to, and stop lug is provided on the front end of deflector hole, and the first stop block is arranged in deflector hole, and passes through the
One backstop spring is connect with plug division, and the first backstop spring is led for driving stop block to support in stop lug by first
Discharge orifice closing；Correspondingly, the second quick-release connector, the second quick-release connector is arranged away from one end of conveying device 10 in the first conduit 20
On be provided with spliced eye, spliced eye is connected to the first conduit 20, and spliced eye is internally provided with the second stop block；In use, will
Plug division is plugged in spliced eye, and the second stop block in spliced eye supports the first stop block at the same time, so that the first backstop
Block is moved into deflector hole, realizes the unlatching of deflector hole, and deflector hole is connected to spliced eye, and then can be by the first conduit 20
Interior crude oil is input in the first wax deposition pipe 30.Or in the first conduit 20 away from the first connection of one end of conveying device 10 setting
The second flange connector is arranged in the front end of the first wax deposition pipe 30 in flange, and the first flange connector and the second flange connector pass through bolt
Connection.
Preferably, the detachable connection method between the first wax deposition pipe 30 and recycling bins 90 is led with the first wax deposition pipe 30 with first
Connection type between pipe 20 is similar, referring to the description of the connection type between the first wax deposition pipe 30 and the first conduit 20, does not do herein
It repeats.
This implementation to first heater with no restrictions, as long as can for the first wax deposition pipe 30 heat so that first
The temperature of wax deposition pipe 30 is identical as the oil pipe temperature of underground certain depth, to guarantee to obtain the accuracy of data；Such as: heating dress
Setting may include heating wire, and the both ends of heating wire connect to power supply, when electric current flows through heating wire, electrothermal wire heating, and then will
In heat transfer to the first wax deposition pipe 30.Preferably, heating wire can wind in the outside of the first wax deposition pipe 30；When the first wax deposition
When pipe 30 is metal tube, insulating layer can be set between heating wire and the first wax deposition pipe 30, in case the first wax deposition pipe 30 charges, absolutely
Edge layer can be ceramic layer.It should be noted that the oil pipe temperature due to different depth located underground is different, different depths are being simulated
When the wax deposition process of degree degree oil pipe, the heating power of first heater is different, so that the temperature and simulation of the first wax deposition pipe 30
Oil pipe temperature it is identical.
The use process of crude oil wax simulator provided in this embodiment are as follows: be input to crude oil by conveying device 10
In first conduit 20, crude oil is flowed into the first wax deposition pipe 30 through the first conduit 20, and then makes the paraffin in crude oil in the first knot
Condensation, the paraffin after condensation are attached on the inner wall of the first wax deposition pipe 30 in ceratuba 30；In the above process, first heater is
The heating of first wax deposition pipe 30, increases the temperature of the first wax deposition pipe 30, so that the temperature of the first wax deposition pipe 30 and underground is certain
The oil pipe temperature of depth is identical；By the crude oil collection that is flowed out in the first wax deposition pipe 30 in recycling bins 90, so as to the recycling of crude oil
It utilizes.
Experiment needs to remove the first wax deposition pipe 30 later, to the front end supplying nitrogen of the first wax deposition pipe 30, by the first knot
Crude oil on ceratuba 30 is blown out by the rear end of the first wax deposition pipe 30, is weighed later to the first wax deposition pipe 30, is obtained the first knot
The quality of ceratuba 30 is the first mass；The first wax deposition pipe 30 is placed in cleaning solution again, cleaning solution can be liquid toluene, protect
Holding cleaning solution is 80 DEG C, so that the paraffin on the first wax deposition pipe 30 is dissolved in cleaning solution；The first wax deposition pipe 30 is taken out, and to
One wax deposition pipe 30 is weighed, and the quality for obtaining the first wax deposition pipe 30 at this time is the second mass；First mass and the second mass
Difference be the quality of paraffin being adhered on the first wax deposition pipe 30.
Crude oil wax simulator provided in this embodiment, by make the both ends of the first conduit 20 respectively with conveying device 10
It is connected to the front end of the first wax deposition pipe 30, the rear end of the first wax deposition pipe 30 is connected to recycling bins 90；First heater for pair
The heating of first wax deposition pipe 30；First heater heats the first wax deposition pipe 30, can increase the temperature of the first wax deposition pipe 30, with
Keep the temperature of the first wax deposition pipe 30 identical as the oil pipe temperature of underground certain depth, to improve the simulation of crude oil wax simulator
Accuracy.
With continued reference to Fig. 1.Specifically, crude oil wax simulator further includes the first incubator 301,30 He of the first wax deposition pipe
First heater is arranged in the first incubator 301.First incubator 301 can to avoid external environment temperature to the first knot
The temperature of ceratuba 30 impacts, and the temperature to guarantee the first wax deposition pipe 30 is constant.
Preferably the first incubator 301 is asbestos case in the present embodiment, and the thermal insulation property of asbestos is preferable, and asbestos is prevented fires
Performance is good.Certainly, the first incubator 301 can also be the plastic box being mainly made of foamed plastics.
It in other embodiments can also be by wrapping up one layer of foam layer or stone in the outside of the first wax deposition pipe 30
Continuous layer, to realize the heat preservation to the first wax deposition pipe 30.
Specifically, crude oil wax simulator further includes controller and first sensor；First sensor setting is the
On one wax deposition pipe 30, first sensor is electrically connected with the controller；Controller is electrically connected with first heater, and controller is used for root
The temperature of the first wax deposition pipe 30 detected according to first sensor controls the heating power of first heater.First sensor inspection
The temperature of the first wax deposition pipe 30 is surveyed, and the temperature signal of the first wax deposition pipe 30 is input in controller, controller is according to temperature
Signal is compared with the default temperature first set, and then controls the temperature and predetermined temperature phase of the first wax deposition pipe 30
Deng.
Control process are as follows: if the temperature of the first wax deposition pipe 30 is higher than predetermined temperature, controller control first adds
Thermal reduces heating power or stops working；If the temperature of the first wax deposition pipe 30 is lower than predetermined temperature, control
Device controls first heater and increases heating power.It should be noted that the temperature of the oil pipe due to different depth located underground
Difference, therefore predetermined temperature is also different；The temperature of the oil pipe of certain depth can be first detected, and then makes preset temperature
Degree is identical as the temperature, and crude oil wax simulator simulates the tubing wax situation of the depth at this time.
Preferably, first sensor can be temperature sensor, by the temperature of the first wax deposition pipe 30 with the side of electric signal
Formula is input in controller.Controller in the present embodiment can there are many, such as: controller can be single-chip microcontroller, personal electricity
Brain, programmable logic controller (PLC) etc. by the adjustable predetermined temperature of program in change controller, and then can make
Crude oil wax simulator can simulate the wax deposition situation of different depth oil pipe.
With continued reference to Fig. 2.Specifically, crude oil wax simulator further include: the second wax deposition pipe 50, the second conduit 40,
Two heating devices；Second conduit, 40 both ends are connected to the front end of the rear end of the first wax deposition pipe 30 and the second wax deposition pipe 50 respectively, the
The rear end of two wax deposition pipes 50 is connected to recycling bins 90；Secondary heating mechanism is electrically connected with the controller, secondary heating mechanism for pair
The heating of second wax deposition pipe 50.Heating power difference of the first heater with secondary heating mechanism is controlled by controller, in turn
Make temperature difference of the first wax deposition pipe 30 with the second wax deposition pipe 50, the first wax deposition pipe 30 and the second wax deposition pipe 50 are simulated same respectively
The wax deposition situation of oil pipe different depth.
With continued reference to Fig. 2.Specifically, crude oil wax simulator further include: the first regulator 401, the second pressure regulation dress
Set 601 and third conduit 60；First regulator 401 is arranged on the second conduit 40, for adjusting in the first wax deposition pipe 30
Crude oil pressure；The both ends of third conduit 60 are connected to the second wax deposition pipe 50 and recycling bins 90 respectively, and the second regulator 601 is set
It sets on third conduit 60, for adjusting the crude oil pressure in the second wax deposition pipe 50.It is adjusted by the first regulator 401 and second
It is different with crude oil pressure in the second wax deposition pipe 50 that pressure device 601 controls the first wax deposition pipe 30.
It should be noted that the crude oil in oil pipe pressure due to different depth is different, it is reasonable that first wax deposition pipe 30 is set
With the crude oil pressure in the second wax deposition pipe 50, can the temperature of the first wax deposition pipe 30 and the second wax deposition pipe 50 respectively from different depths
When the oil pipe temperature of degree is identical, make the oil pipe under the crude oil pressure and corresponding temperature in the first wax deposition pipe 30 and the second wax deposition pipe 50
Interior pressure is identical；And then make the temperature of the first wax deposition pipe 30 and the second wax deposition pipe 50 and pressure and the corresponding depth of inside crude oil
The temperature and pressure of oil pipe is identical, to improve the accuracy of crude oil wax simulator.
Preferably, the first regulator 401 can there are many, such as the first regulator 401 can be overflow valve, when the
When crude oil pressure in one wax deposition pipe 30 reaches the cracking pressure of overflow valve, crude oil could be flowed into the second wax deposition pipe through overflow valve
In 50；The cracking pressure of regulation relief valve can change the pressure of crude oil in the first wax deposition pipe 30.Alternatively, the first regulator
401 include valve body 4012 and spool and hand pump 4011, offers valve chamber on valve body 4012, the both ends of valve chamber are respectively in valve body
Oil inlet is formed on 4012 and oil outlet, oil inlet and oil outlet are connected to the second conduit 40；Spool is arranged in valve chamber, valve body
Control mouth is also provided on 4012, hand pump 4011 is connected to control mouth；By hand pump 4011 into control mouth input control
Oil controls oil driving spool and moves into valve chamber to close valve chamber, and makes the first regulator of pressure 401 of control oil
Cracking pressure；When the pressure of oil inlet reaches the cracking pressure of the first regulator 401, the crude oil in valve chamber supports valve
Core, so that external movement of the spool to valve chamber, and then the crude oil of oil inlet is made to flow to oil outlet, realize the first regulator 401
Unlatching；Preferably, pressure gauge is set on hand pump 4011, and pressure gauge is used for the pressure of display control oil, i.e. the first pressure regulation
The cracking pressure of device 401.
Specifically, the structure of the second regulator 601 and the structure of the first regulator 401 are substantially similar, referring to the
The description of one regulator 401, details are not described herein.It should be noted that the cracking pressure of the first regulator 401 need to be greater than
The cracking pressure of second regulator 601.
With continued reference to Fig. 2.Specifically, crude oil wax simulator further includes the second incubator 501,50 He of the second wax deposition pipe
Secondary heating mechanism is arranged in the second incubator 501.Second incubator 501 can to avoid external environment temperature to the second knot
Ceratuba 50 impacts.Second incubator 501 and the structure of the first incubator 301 are substantially similar, and details are not described herein.
Specifically, crude oil wax simulator further includes second sensor, and second sensor is arranged in the second wax deposition pipe 50
On, second sensor is electrically connected with the controller, and second sensor is used to detect the temperature of the second wax deposition.It is examined by second sensor
The temperature of the second wax deposition pipe 50 is surveyed, 50 temperature of the second wax deposition pipe is accurately controlled with realizing.
The use process of crude oil wax simulator provided in this embodiment are as follows: be input to crude oil by conveying device 10
In first conduit 20, crude oil is flowed into the first wax deposition pipe 30 through the first conduit 20, and then makes the paraffin in crude oil in the first knot
Condensation, the paraffin after condensation are attached on the inner wall of the first wax deposition pipe 30 in ceratuba 30；Crude oil pressure in the first wax deposition pipe 30
When the cracking pressure for the first regulator 401 that power is increased to, the crude oil in the first wax deposition pipe 30 is through the second conduit 40 and first
Regulator 401 enters in the second wax deposition pipe 50, and the paraffin in crude oil condenses in the second wax deposition pipe 50, the paraffin after condensation
It is attached on the side wall of the second wax deposition pipe 50；Crude oil pressure in second wax deposition pipe 50 reaches the unlatching of the second regulator 601
When pressure, crude oil is flowed into recycling bins 90 through the second regulator 601, so as to the recycling of crude oil.In above process,
First sensor and second sensor detect the temperature of the first wax deposition pipe 30 and the second wax deposition pipe 50 respectively, and controller is according to first
The temperature control first heater work of wax deposition pipe 30, for the heating of the first wax deposition pipe 30；Controller is according to the second knot simultaneously
The temperature control secondary heating mechanism work of ceratuba 50, for the heating of the second wax deposition pipe 50；So that the temperature of the first wax deposition pipe 30
It is identical as the temperature of different depth oil pipe with the temperature of the second wax deposition pipe 50.
The first wax deposition pipe 30 and the second wax deposition pipe 50 are removed after experiment, to the front end delivery of nitrogen of the first wax deposition pipe 30
Crude oil on first wax deposition pipe 30 is blown out by the rear end of the first wax deposition pipe 30, is claimed later to the first wax deposition pipe 30 by gas
Weight, the quality for obtaining the first wax deposition pipe 30 is the first mass；The first wax deposition pipe 30 is placed in cleaning solution later, cleaning solution can
Think liquid toluene, keeping cleaning solution is 80 DEG C, so that paraffin is dissolved in cleaning solution on the first wax deposition pipe 30；Take out the first knot
Ceratuba 30, and weigh to the first wax deposition pipe 30, the quality for obtaining the first wax deposition pipe 30 at this time is the second mass；First matter
The difference of amount and the second mass is the quality for the paraffin being adhered on the first wax deposition pipe 30.Using same method to second
Wax deposition pipe 50 is handled, and to obtain the quality of paraffin in the second wax deposition pipe 50, can be known in which wax deposition pipe by comparison
The paraffin of condensation is more, by the temperature and pressure of the wax deposition pipe, determines the position that paraffin is more in oil pipe.The above process it
Afterwards, chromatography can be carried out respectively to the cleaning solution after the first wax deposition pipe 30 of cleaning and the second wax deposition pipe 50, to determine the first knot
The paraffin component condensed in ceratuba 30 and the second wax deposition pipe 50；Preferably, can use high temperature gas chromatography with to cleaning solution into
Row analysis.
With continued reference to Fig. 3.In other embodiments, crude oil wax simulator further includes third wax deposition pipe 70, the 4th knot
Ceratuba 80, third regulator 701, the 4th regulator 801,3rd sensor, the 4th sensor, third heating device and
One end of four heating devices, third wax deposition pipe 70 is connected to the end of third conduit 60, and the other end of third wax deposition pipe 70 passes through
Third regulator 701 is connected to the 4th wax deposition pipe 80, and the 4th wax deposition pipe 80 is connected by the 4th regulator 801 with recycling bins 90
It is logical；And 3rd sensor and the 4th sensor are respectively arranged on third wax deposition pipe 70 and the 4th wax deposition pipe 80, third sensing
Device and the 4th sensor are electrically connected with the controller；Third heating device is electrically connected with the controller, to add to third wax deposition pipe 70
Heat；4th heating device is electrically connected with the controller, to heat to the 4th wax deposition pipe 80.Each wax deposition pipe is sequentially connected, each wax deposition
The temperature of pipe is different with internal crude oil pressure, can simulate the wax deposition situation in the oil pipe of different depth, improves crude oil knot
The accuracy of wax simulation device.Certainly, wax deposition pipe can also be more than four, and the quantity of wax deposition pipe is more, crude oil wax simulation dress
The accuracy set is also higher.
Preferably, first heater includes the first electric-heating belt being wrapped on the first wax deposition pipe 30, the second heating dress
Set the second electric-heating belt including being wrapped on the second paraffin precipitation device.It is the first wax deposition pipe 30 and the second wax deposition by electric-heating belt
Pipe 50 heats, it is ensured that the temperature of the first wax deposition pipe 30 and the second wax deposition pipe 50 is constant.
With continued reference to Fig. 4.Specifically, conveying device 10 includes storage cylinder 101, piston 102 and delivery pump, storage cylinder
There is accommodating chamber, piston 102 is arranged in accommodating chamber, and the accommodating chamber on 102 top of piston is connected to the first conduit 20, living on 101
The accommodating chamber for filling in 102 lower parts is connected to delivery pump.Accommodating chamber is divided into epicoele and cavity of resorption, epicoele and the first conduit 20 by piston 102
Connection, cavity of resorption are connected to delivery pump, by the downward intracavitary input liquid of delivery pump or gas, to drive piston 102 intracavitary upwards
It is mobile, and then it is input to intracavitary crude oil in the first conduit 20；Crude oil is not direct to be contacted with pump, in case crude oil causes pump
Corrosion.
Preferably, delivery pump is constant-flux pump 103.The outlet pressure of constant-flux pump 103 is easy to control, and pressure is more steady
It is fixed.
Constant-flux pump 103 includes stepper motor and pump head, and blade is arranged in pump head, and stepper motor is connect with vane belt,
Stepping motor driven blade rotates when work, to realize the conveying to fluid.Since the revolving speed of stepper motor is easily controllable and turns
Speed is stablized, therefore the outlet pressure of constant-flux pump 103 is relatively stable.
In the present invention, unless otherwise specific regulation, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removably connect, or be integrally formed, and can be machinery
Connection is also possible to be electrically connected or can communicate each other；It can be directly connected, can also be indirectly connected with by intermediate medium,
It can be the connection inside two elements or the interaction relationship of two elements, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of crude oil wax simulator characterized by comprising conveying device, the first conduit, the first wax deposition pipe, first
Heating device and recycling bins；One end of first conduit is connected to the conveying device, the other end of first conduit
It is connected to the front end of the first wax deposition pipe, the rear end of the first wax deposition pipe is connected to the recycling bins；First heating
Device is used to heat the first wax deposition pipe；The crude oil wax simulator further includes the first incubator, first knot
Ceratuba and the first heater are arranged in first incubator.
2. crude oil wax simulator according to claim 1, which is characterized in that first incubator is asbestos case.
3. crude oil wax simulator according to claim 1, which is characterized in that the crude oil wax simulator also wraps
Include controller and first sensor；The first sensor is arranged on the first wax deposition pipe, the first sensor with
The controller electrical connection；The controller is electrically connected with the first heater, and the controller is used for according to described the
The temperature for the first wax deposition pipe that one sensor detects controls the heating power of the first heater.
4. crude oil wax simulator according to claim 3, which is characterized in that the crude oil wax simulator also wraps
It includes: the second wax deposition pipe, the second conduit, secondary heating mechanism；The both ends of second conduit respectively with the first wax deposition pipe
Rear end is connected to the front end of the second wax deposition pipe, and the rear end of the second wax deposition pipe is connected to the recycling bins；Described second
Heating device is electrically connected with the controller, and the secondary heating mechanism is used to heat the second wax deposition pipe.
5. crude oil wax simulator according to claim 4, which is characterized in that the crude oil wax simulator also wraps
It includes: the first regulator, the second regulator and third conduit；First regulator is arranged in second conduit
On, for adjusting the crude oil pressure in the first wax deposition pipe；The both ends of the third conduit respectively with the second wax deposition pipe
It is connected to the recycling bins, second regulator is arranged on the third conduit, and second regulator is for adjusting
Save the crude oil pressure in the second wax deposition pipe.
6. crude oil wax simulator according to claim 4, which is characterized in that the crude oil wax simulator also wraps
The second incubator is included, the second wax deposition pipe and the secondary heating mechanism are arranged in second incubator.
7. crude oil wax simulator according to claim 4, which is characterized in that the crude oil wax simulator also wraps
Second sensor is included, the second sensor is arranged on the second wax deposition pipe, the second sensor and the controller
Electrical connection, the second sensor are used to detect the temperature of second wax deposition.
8. crude oil wax simulator according to claim 4, which is characterized in that the first heater includes winding
The first electric-heating belt on the first wax deposition pipe, the secondary heating mechanism include being wrapped on second paraffin precipitation device
The second electric-heating belt.
9. crude oil wax simulator according to claim 1-8, which is characterized in that the conveying device includes
Storage cylinder, piston and delivery pump have accommodating chamber on the storage cylinder, and the piston is arranged in the accommodating chamber, described
The accommodating chamber of upper piston area is connected to first conduit, and the accommodating chamber of the piston lower portion and the delivery pump connect
It is logical.
10. crude oil wax simulator according to claim 9, which is characterized in that the delivery pump is constant-flux pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724362.9U CN208721673U (en) | 2018-05-16 | 2018-05-16 | Crude oil wax simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724362.9U CN208721673U (en) | 2018-05-16 | 2018-05-16 | Crude oil wax simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721673U true CN208721673U (en) | 2019-04-09 |
Family
ID=65970390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820724362.9U Active CN208721673U (en) | 2018-05-16 | 2018-05-16 | Crude oil wax simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208721673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501477A (en) * | 2018-05-16 | 2019-11-26 | 中国石油天然气股份有限公司 | Crude oil wax simulator |
| CN112697964A (en) * | 2020-12-01 | 2021-04-23 | 中国石油天然气股份有限公司 | Rapid evaluation device and evaluation method for wax control rate of on-site wax removing and preventing agent |
-
2018
- 2018-05-16 CN CN201820724362.9U patent/CN208721673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501477A (en) * | 2018-05-16 | 2019-11-26 | 中国石油天然气股份有限公司 | Crude oil wax simulator |
| CN112697964A (en) * | 2020-12-01 | 2021-04-23 | 中国石油天然气股份有限公司 | Rapid evaluation device and evaluation method for wax control rate of on-site wax removing and preventing agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106225216B (en) | A kind of electric heater of intelligent temperature control | |
| CN208721673U (en) | Crude oil wax simulator | |
| CN104373339B (en) | A kind of high-temperature melting salt pump external characteristics assay device | |
| CN203037230U (en) | Insulation pipe wax deposition experiment apparatus | |
| CN109060616A (en) | A kind of high-precision sulphur deposition in wellhole influence factor visual testing device and method | |
| CN202363006U (en) | Experimental physical model for low-permeability bottom water oil pool exploitation | |
| CN104074497B (en) | Gas well foaming water discharge simulation laboratory test device | |
| CN109507241B (en) | Method and equipment for measuring rock wettability by resistance method | |
| CN213928335U (en) | Deep shale gas fracturing horizontal well crack flow guide simulation experiment device | |
| CN110501477A (en) | Crude oil wax simulator | |
| CN102808609B (en) | U-shaped tubular single well producing rate metering device | |
| CN106556453A (en) | A kind of apparatus for measuring charge level of asphalt storage | |
| CN203688400U (en) | Variable temperature type viscosity coefficient measurement instrument | |
| CN110345058B (en) | Oil well pump leakage detection device and method for simulating shaft conditions | |
| CN202926310U (en) | U-shaped tubular single well yield metering device | |
| CN109882165B (en) | Geothermal resource exploitation simulation device with microwave heating and infrared temperature measurement and operation method | |
| CN204932946U (en) | Intelligence oil-gas-water three-phase separation | |
| CN204299848U (en) | A kind of high-temperature melting salt pump external characteristics experimental rig | |
| CN202866784U (en) | Magnetic induction liquid level interfacial instrument | |
| CN208828484U (en) | It suspends storage tank heated | |
| CN107727685B (en) | Self-balancing soil body frost heaving amount testing device and testing method | |
| CN204903336U (en) | Poiseuille control by temperature change viscosity apparatus | |
| CN111460673A (en) | Method for optimizing tubular heating process parameters and heating tube structure of oil storage tank | |
| CN204214564U (en) | The temperature measuring equipment of use for laboratory flask | |
| CN215220056U (en) | Screw pump demonstration teaching aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |