阅读说明：本技术 管道内蜡沉积效果的测试系统与方法 (System and method for testing wax deposition effect in pipeline ) 是由 刘己全 王茜 钟诚 孙涛 陈飞 王玉柱 于 2018-07-03 设计创作，主要内容包括：本发明提供了一种管道内蜡沉积效果的测试系统与方法,所述测试系统,包括：析蜡装置、声纳检测装置与处理装置；所述析蜡控制装置,用于控制所述管道内的析蜡过程,所述析蜡过程为含蜡流体在所述管道内析出并沉积蜡的过程；所述声纳检测装置,用于在所述析蜡过程结束之后向所述管道内发出第一声波,并回收所述第一声波对应的第二声波,将所述第一声波与所述第二声波的数据发送至所述处理装置；所述处理装置,用于根据所述第一声波与所述第二声波的数据,确定所述管道内蜡沉积的形态。本发明能够有效获悉蜡沉积的特点。(The invention provides a system and a method for testing wax deposition effect in a pipeline, wherein the system comprises: the device comprises a wax precipitation device, a sonar detection device and a processing device; the wax precipitation control device is used for controlling a wax precipitation process in the pipeline, wherein the wax precipitation process is a process of precipitating the wax-containing fluid in the pipeline and depositing the wax; the sonar detection device is used for sending a first sound wave to the pipeline after the wax precipitation process is finished, recovering a second sound wave corresponding to the first sound wave, and sending data of the first sound wave and the second sound wave to the processing device; and the processing device is used for determining the deposition form of the wax in the pipeline according to the data of the first sound wave and the second sound wave. The invention can effectively learn the characteristics of wax deposition.)

1. A system for testing the effectiveness of wax deposits in a conduit, comprising: the device comprises a wax precipitation control device, a sonar detection device and a processing device;

the wax precipitation control device is used for controlling a wax precipitation process in the pipeline, wherein the wax precipitation process is a process of precipitating the wax-containing fluid in the pipeline and depositing the wax;

the sonar detection device is used for sending a first sound wave to the pipeline after the wax precipitation process is finished, recovering a second sound wave corresponding to the first sound wave, and sending data of the first sound wave and the second sound wave to the processing device;

and the processing device is used for determining the deposition form of the wax in the pipeline according to the data of the first sound wave and the second sound wave.

2. The test system according to claim 1, wherein the wax-analyzing control means includes: the system comprises an ambient temperature control device, a power source device, a first container and an output control device;

the power source device is used for driving the wax-containing fluid in the first container to enter the pipeline from the first end of the pipeline in a wax precipitation period corresponding to the wax precipitation process, so that the wax-containing fluid is precipitated and deposits wax in the pipeline;

the output control device is used for controlling the fluid in the pipeline to be output from the second end of the pipeline at a required pressure in the wax precipitation period;

the environment temperature control device is used for controlling the environment temperature of the pipeline in the wax precipitation time period.

3. The test system of claim 2, wherein the output control device comprises a back pressure valve, a control pump, and a second reservoir; the second end of the pipeline is detachably connected with the first end of the back-pressure valve or detachably connected with a pipeline connected with the first end of the back-pressure valve, the second end of the back-pressure valve is communicated to the second container, and the control end of the back-pressure valve is communicated with the control pump.

4. The test system of claim 2, wherein the conduit, the first container, and the output control device are all within the ambient temperature control device during the wax precipitation period.

5. The testing system of claim 3 or 4, wherein the control pump is a hand pump.

6. A test system according to any one of claims 2 to 4, wherein the power source means is a advection pump.

7. The apparatus of any of claims 1 to 4, wherein the processing means is further configured to:

obtaining first weight data, wherein the first weight data is the weight of a pipeline which does not contain the separated wax before the wax separation process is started; obtaining second weight data, wherein the second weight data is the weight of the pipeline containing the separated wax after the wax separation process is finished;

determining the weight of wax precipitated in the pipe based on the first weight data and the second weight data.

8. A method for testing wax deposition effect in a pipeline is characterized by comprising the following steps:

determining that the wax precipitation process in the pipeline is finished; the wax precipitation process is a process of precipitating wax from the wax-containing fluid in the pipeline and depositing the wax;

receiving data of a first sound wave and a second sound wave sent by a sonar detection device; the first sound wave is a sound wave sent out into the pipeline by the sonar detection device, and the second sound wave is a sound wave corresponding to the first sound wave received by the sonar detection device;

and determining the form of wax deposition in the pipeline according to the data of the first sound wave and the second sound wave.

9. The test method of claim 8, wherein the wax precipitation process comprises:

the power source device drives the wax-containing fluid in the first container to enter the pipeline from the first end of the pipeline in a wax precipitation period corresponding to the wax precipitation process, so that the wax-containing fluid is precipitated and deposits wax in the pipeline;

the output control device controls the fluid in the pipeline to be output from the second end of the pipeline at a required pressure in the wax precipitation period;

an ambient temperature control device controls the ambient temperature of the pipeline during the wax precipitation period.

10. The test method according to claim 8 or 9, further comprising:

obtaining first weight data, wherein the first weight data is the weight of a pipeline which does not contain the separated wax before the wax separation process is started; obtaining second weight data, wherein the second weight data is the weight of the pipeline containing the separated wax after the wax separation process is finished;

determining the weight of wax precipitated in the pipe based on the first weight data and the second weight data.

Technical Field

The invention relates to the field of oil and gas exploitation, in particular to a system and a method for testing wax deposition effect in a pipeline.

Background

In the field of oil and gas exploitation, when a wax-containing fluid flows in a pipeline, wax in the fluid can be separated out and deposited in the pipeline, the wax deposition can increase the load of an oil well, the pipeline can be thinned, the yield of the oil well is reduced, the service life of a rod pipe is also reduced, and therefore the wax deposition effect in the pipeline needs to be detected.

In the prior art, common detection methods include a polarization microscope method, a laser method, a viscosity method, a differential scanning calorimetry method, an ultrasonic method, a cold finger method, a conductivity method and the like, and these methods can only test the wax precipitation temperature of the wax, but cannot know the characteristics of wax precipitation and wax deposition of the crude oil after flowing in a pipeline.

Disclosure of Invention

The invention provides a system and a method for testing wax deposition effect in a pipeline, which aim to solve the technical problem that the characteristics of wax precipitation and wax deposition of crude oil after flowing in the pipeline cannot be known.

According to a first aspect of the present invention, there is provided a system for testing the effect of wax deposition in a pipe, comprising: the device comprises a wax precipitation control device, a sonar detection device and a processing device;

the wax precipitation control device is used for controlling a wax precipitation process in the pipeline, wherein the wax precipitation process is a process of precipitating the wax-containing fluid in the pipeline and depositing the wax;

the sonar detection device is used for sending a first sound wave into the pipeline after the wax precipitation process is finished, recovering a second sound wave corresponding to the first sound wave, and sending data of the first sound wave and the second sound wave to the processing device;

and the processing device is used for determining the deposition form of the wax in the pipeline according to the data of the first sound wave and the second sound wave.

Optionally, the wax precipitation control device includes: the system comprises an ambient temperature control device, a power source device, a first container and an output control device;

the power source device is used for driving the wax-containing fluid in the first container to enter the pipeline from the first end of the pipeline in the wax precipitation period corresponding to the wax precipitation, so that the wax-containing fluid is precipitated and deposits wax in the pipeline;

the output control device is used for controlling the fluid in the pipeline to be output from the second end of the pipeline at a required pressure in the wax precipitation period;

the environment temperature control device is used for controlling the environment temperature of the pipeline in the wax precipitation time period.

Optionally, the output control device comprises a back pressure valve, a control pump, and a second container; the second end of the pipeline is detachably connected with the first end of the back-pressure valve or detachably connected with a pipeline connected with the first end of the back-pressure valve, the second end of the back-pressure valve is communicated to the second container, and the control end of the back-pressure valve is communicated with the control pump.

Optionally, the conduit, the first container, and the output control means are all within the ambient temperature control means during the wax precipitation period.

Optionally, the control pump is a hand pump.

Optionally, the power source device is a constant flow pump.

Optionally, the processing device is further configured to:

obtaining first weight data, wherein the first weight data is the weight of the pipeline which does not contain the separated wax before the wax separation process;

obtaining second weight data, the second weight data being the weight of the pipe containing the extracted wax after the wax extraction process;

determining an amount of wax precipitated within the pipe based on the first weight data and the second weight data.

According to a second aspect of the present invention, there is provided a method for testing the effect of wax deposition in a pipe, comprising:

determining that the wax precipitation process in the pipeline is finished; the wax precipitation process is a process of precipitating wax from the wax-containing fluid in the pipeline and depositing the wax;

receiving data of a first sound wave and a second sound wave sent by a sonar detection device; the first sound wave is a sound wave sent out into the pipeline by the sonar detection device, and the second sound wave is a sound wave corresponding to the first sound wave received by the sonar detection device;

and determining the form of wax deposition in the pipeline according to the data of the first sound wave and the second sound wave.

Optionally, the wax precipitation process comprises:

the power source device drives the wax-containing fluid in the first container to enter the pipeline from the first end of the pipeline in a wax precipitation period corresponding to the wax precipitation process, so that the wax-containing fluid is precipitated and deposits wax in the pipeline;

the output control device controls the fluid in the pipeline to be output from the second end of the pipeline at a required pressure in the wax precipitation period;

an ambient temperature control device controls the ambient temperature of the pipeline during the wax precipitation period.

Optionally, the testing method further includes:

obtaining first weight data, wherein the first weight data is the weight of the pipeline which does not contain the separated wax before the wax separation process;

obtaining second weight data, the second weight data being the weight of the pipe containing the extracted wax after the wax extraction process;

determining the weight of wax precipitated in the pipe based on the first weight data and the second weight data.

According to a third aspect of the present invention, there is provided a device for testing the effect of wax deposition in a pipe, comprising:

the wax precipitation process determination module is used for determining that the wax precipitation process in the pipeline is finished, wherein the wax precipitation process is a process of precipitating wax from the wax-containing fluid in the pipeline and depositing the wax;

the receiving module is used for receiving data of the first sound wave and the second sound wave sent by the sonar detection device; the first sound wave is a sound wave sent out into the pipeline by the sonar detection device, and the second sound wave is a sound wave corresponding to the first sound wave received by the sonar detection device;

and the deposition form determining module is used for determining the form of wax deposition in the pipeline according to the data of the first sound wave and the second sound wave.

Optionally, the wax precipitation process comprises:

the power source device drives the wax-containing fluid in the first container to enter the pipeline from the first end of the pipeline in a wax precipitation period corresponding to the wax precipitation process, so that the wax-containing fluid is precipitated and deposits wax in the pipeline;

the output control device controls the fluid in the pipeline to be output from the second end of the pipeline at a required pressure in the wax precipitation period;

an ambient temperature control device controls the ambient temperature of the pipeline during the wax precipitation period.

Optionally, the testing apparatus further includes:

the first acquiring module is used for acquiring first weight data, wherein the first weight data is the weight of a pipeline which does not contain the precipitated wax before the wax precipitation process is started;

a second obtaining module, configured to obtain second weight data, where the second weight data is a weight of the pipeline containing the precipitated wax after the wax precipitation process is finished;

and the precipitated quantity determining module is used for determining the quantity of the wax precipitated in the pipeline according to the first weight data and the second weight data.

The invention provides a system and a method for testing the wax deposition effect in a pipeline, which control the wax precipitation process in the pipeline, wherein the wax precipitation process is a process of precipitating and depositing wax in the pipeline by a wax-containing fluid; the wax analysis generates a pipeline with wax deposition, and provides a basis for further learning the characteristics of wax deposition, and the sonar detection device is used for sending a first sound wave into the pipeline after the wax analysis process is finished, recovering a second sound wave corresponding to the first sound wave, and sending the data of the first sound wave and the second sound wave to the processing device; and the processing device is used for determining the wax deposition form in the pipeline according to the data of the first sound wave and the second sound wave, and knowing the wax deposition form.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a system for testing the deposition of wax in a pipe according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a wax precipitation control device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a system for testing the effect of wax deposition in a pipe according to another embodiment of the present invention;

FIG. 4 is a flow chart illustrating a method for testing the deposition of wax in a pipe according to an embodiment of the present invention;

FIG. 5 is a schematic flow chart of a method for testing the deposition effect of wax in a pipe according to another embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a device for testing the deposition effect of wax in a pipe according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a device for testing the deposition effect of wax in a pipeline according to another embodiment of the present invention;

FIG. 8 is a schematic diagram of an electronic device according to the present invention.

Description of reference numerals:

1-a test system for wax deposition effect in the pipeline;

11-a processing device;

12-sonar detection means;

13-a wax precipitation control device;

131-a first container;

132-a second container;

133-a power source device;

134-ambient temperature control means;

135-a back pressure valve;

136-control the pump;

2-pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.