CN115112817A - Method for discriminating and detecting physical properties of underground biodegradable thickened oil - Google Patents
Method for discriminating and detecting physical properties of underground biodegradable thickened oil Download PDFInfo
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- CN115112817A CN115112817A CN202110305781.5A CN202110305781A CN115112817A CN 115112817 A CN115112817 A CN 115112817A CN 202110305781 A CN202110305781 A CN 202110305781A CN 115112817 A CN115112817 A CN 115112817A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000000704 physical effect Effects 0.000 title claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 98
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 239000000084 colloidal system Substances 0.000 claims abstract description 12
- 239000010779 crude oil Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000002372 labelling Methods 0.000 claims abstract description 4
- 239000002904 solvent Substances 0.000 claims description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- 239000003085 diluting agent Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 238000007865 diluting Methods 0.000 claims description 7
- 239000012898 sample dilution Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- 239000000295 fuel oil Substances 0.000 description 7
- 239000003208 petroleum Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/90—Plate chromatography, e.g. thin layer or paper chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/90—Plate chromatography, e.g. thin layer or paper chromatography
- G01N30/95—Detectors specially adapted therefor; Signal analysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention discloses a method for distinguishing and detecting physical properties of underground biodegradable thickened oil, which belongs to the technical field of crude oil detection and comprises the following steps: s1: preparing materials and instruments; s2: judging the viscosity of the thickened oil sample; s3: standing and cooling; s4: preheating; s5: judging the relative density of the thick oil sample; s6: standing and cooling; s7: labeling; s8: judging the content of colloid, asphaltene and wax in the thickened oil sample; s9: comprehensively judging the final properties of the thickened oil according to the results of the viscosity, the relative density, the colloid content, the asphaltene content and the wax content of the judged thickened oil sample to obtain a judgment result; s10: generating a paper document and an electronic document, wherein the paper document is placed in a file room of a crude oil detection department for storage, and the electronic document is uploaded to a cloud server for cloud storage; the method has high accuracy of results, and simultaneously only one thick oil sample is taken in the whole process to carry out related detection and judgment, so that the waste of the thick oil in the detection and judgment process can be effectively reduced.
Description
Technical Field
The invention belongs to the technical field of crude oil detection, and particularly relates to a method for distinguishing and detecting physical properties of underground biodegradable thickened oil.
Background
With the increasing demand of world economy for petroleum, the rising price of international crude oil, the rapid increase of petroleum consumption and the excessive exploitation and consumption of conventional petroleum resources, people have turned their attention to unconventional petroleum resources.
The heavy oil is heavy crude oil with high viscosity, high density and high content of colloid and asphaltene, is the most widely distributed unconventional petroleum resource at present, is mainly formed into four types, namely primary heavy oil, heavy oil formed by underground biodegradation, heavy oil formed by oxidation and water washing and heavy oil formed by PVT process.
Before the heavy oil is exploited, the physical property of the heavy oil needs to be detected and judged, and then the exploitation mode is selected according to the detection and judgment result.
The prior art has the following problems: the method for distinguishing and detecting the physical properties of the underground biodegradable thickened oil needs to use a plurality of thickened oil samples when detecting and distinguishing different characteristics, so that the thickened oil is easily wasted.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a method for distinguishing and detecting the physical properties of underground biodegradable thickened oil, which has the characteristic of effectively reducing the waste of the thickened oil in the process of detecting and distinguishing.
In order to achieve the purpose, the invention provides the following technical scheme: a method for distinguishing and detecting the physical properties of underground biodegradable thickened oil comprises the following steps:
s1: preparing a dehydrated and degassed thick oil sample, a high-temperature high-pressure rheometer, a beaker, a thermostat, a balance, label paper, a chromatographic rod, a sample diluting solvent, an injector, a drying box and a thin-layer chromatograph;
s2: adding 50ml of dehydrated and degassed thick oil sample into a detection cavity of a high-temperature high-pressure rheometer, opening the high-temperature high-pressure rheometer, setting a detection temperature range, starting detection to obtain a viscosity-temperature relation curve of the thick oil sample, and judging the viscosity of the thick oil sample;
s3: standing the thick oil sample, waiting for cooling, and taking out the thick oil sample in the detection cavity of the high-temperature high-pressure rheometer;
s4: adding 25ml of thickened oil sample after viscosity discrimination into a clean and anhydrous beaker, placing the beaker into a dehydration and degassing thermostat, opening the thermostat, setting the temperature, and preheating for 1 hour;
s5: placing a clean anhydrous beaker on a balance to be weighed to obtain the weight of the beaker, resetting and resetting the balance, placing the beaker filled with a preheated thickened oil sample on the balance to be weighed to obtain the weight of the thickened oil sample and the weight of the beaker, subtracting the weight of the beaker from the weight of the thickened oil sample and the weight of the beaker to obtain the weight of the thickened oil sample, and dividing the weight of the thickened oil sample by the volume of the thickened oil sample to judge the relative density of the thickened oil sample;
s6: standing the thick oil sample, waiting for cooling, and taking out the thick oil sample in the beaker;
s7: labeling the first section of the chromatographic rod;
s8: taking 5ml of thickened oil samples after the relative density is judged, adding a proper amount of sample diluent solvent into the 5ml of thickened oil samples, oscillating to prepare thickened oil sample diluent, extracting the sample diluent through an injector, spot-coating the sample diluent on the tail sections of a first chromatographic rod to a third chromatographic rod, drying the first chromatographic rod to the third chromatographic rod through a drying box, drying, detecting the first chromatographic rod to the third chromatographic rod through a thin-layer chromatograph, detecting, and comparing, analyzing and detecting data to judge the content of colloid, asphaltene and wax in the thickened oil samples;
s9: comprehensively judging the final properties of the thickened oil according to the results of the viscosity, the relative density, the colloid content, the asphaltene content and the wax content of the judged thickened oil sample to obtain a judgment result;
s10: and (3) detecting instruments, a judging basis, a judging result and a final physical property judging result which are required in the whole process need to generate paper documents and electronic documents, the paper documents are placed in a file room of a crude oil detecting department for storage, and the electronic documents are uploaded to a cloud server for cloud storage.
Further, in the present invention, the temperature detected by the high-temperature high-pressure rheometer in step S2 is set to be in a range of 30 to 80 ℃.
Further, in the present invention, the preheating temperature of the oven in the step S4 is set to be in a range of 50 to 60 ℃.
Further in the present invention, the sample dilution solvent in step S8 is benzene.
Further in the present invention, the proper amount of the sample diluting solvent in the step S8 is added in the range of 60-80 ml.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method, firstly, the viscosity, the relative density, the colloid content, the asphaltene content and the wax content of the thickened oil sample are respectively judged, then the final thickened oil physical properties are comprehensively judged according to the results of the viscosity, the relative density, the colloid content, the asphaltene content and the wax content of the thickened oil sample to obtain a judgment result, the result accuracy is high, meanwhile, the viscosity judgment is carried out on the thickened oil sample firstly, then the relative density judgment is carried out on the thickened oil sample after the viscosity judgment, then the colloid, the asphaltene and the wax content judgment is carried out on the thickened oil sample after the relative density judgment, only one thickened oil sample is taken in the whole process to carry out related detection judgment, and the thickened oil waste in the detection judgment process can be effectively reduced.
2. According to the invention, the detection apparatus, the judgment basis, the judgment result and the final physical property judgment result required in the judgment process are required to generate the paper document and the electronic document, the generated paper document is placed in a file room of a crude oil detection department for storage, so that later-stage detection personnel can conveniently inquire related data of the physical property of the thick oil, the generated electronic document is uploaded to a cloud server for cloud storage, the function of backup is equivalent, the related data can be quickly called when the situation that the detection personnel urgently need to inquire due to the fact that the related data of the physical property of the thick oil is irregularly arranged and carelessly lost in the file room is generated, and the influence on the work of the detection personnel is avoided.
Drawings
FIG. 1 is a schematic view of the present invention.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions: a method for distinguishing and detecting the physical properties of underground biodegradable thickened oil comprises the following steps:
s1: preparing a dehydrated and degassed thick oil sample, a high-temperature high-pressure rheometer, a beaker, a thermostat, a balance, label paper, a chromatographic rod, a sample diluting solvent, an injector, a drying box and a thin-layer chromatograph;
s2: adding 50ml of dehydrated and degassed thick oil sample into a detection cavity of a high-temperature high-pressure rheometer, opening the high-temperature high-pressure rheometer, setting a detection temperature range, starting detection to obtain a viscosity-temperature relation curve of the thick oil sample, and judging the viscosity of the thick oil sample;
s3: standing the thick oil sample, waiting for cooling, and taking out the thick oil sample in the detection cavity of the high-temperature high-pressure rheometer;
s4: adding 25ml of thickened oil sample after viscosity discrimination into a clean and anhydrous beaker, placing the beaker into a dehydration and degassing thermostat, opening the thermostat, setting the temperature, and preheating for 1 hour;
s5: placing a clean anhydrous beaker on a balance to be weighed to obtain the weight of the beaker, resetting and resetting the balance, placing the beaker filled with a preheated thickened oil sample on the balance to be weighed to obtain the weight of the thickened oil sample and the weight of the beaker, subtracting the weight of the beaker from the weight of the thickened oil sample and the weight of the beaker to obtain the weight of the thickened oil sample, and dividing the weight of the thickened oil sample by the volume of the thickened oil sample to judge the relative density of the thickened oil sample;
s6: standing the thick oil sample, waiting for cooling, and taking out the thick oil sample in the beaker;
s7: labeling the head section of the chromatographic rod;
s8: taking 5ml of thickened oil samples after the relative density is judged, adding a proper amount of sample diluent solvent into the 5ml of thickened oil samples, oscillating to prepare thickened oil sample diluent, extracting the sample diluent through an injector, spot-coating the sample diluent on the tail sections of a first chromatographic rod to a third chromatographic rod, drying the first chromatographic rod to the third chromatographic rod through a drying box, drying, detecting the first chromatographic rod to the third chromatographic rod through a thin-layer chromatograph, detecting, and comparing, analyzing and detecting data to judge the content of colloid, asphaltene and wax in the thickened oil samples;
s9: comprehensively judging the final properties of the thickened oil according to the results of the viscosity, the relative density, the colloid content, the asphaltene content and the wax content of the judged thickened oil sample to obtain a judgment result;
s10: and (3) detecting instruments, a judging basis, a judging result and a final physical property judging result which are required in the whole process need to generate paper documents and electronic documents, the paper documents are placed in a file room of a crude oil detecting department for storage, and the electronic documents are uploaded to a cloud server for cloud storage.
Specifically, the temperature setting range detected by the high-temperature high-pressure rheometer in step S2 is 30 ℃.
Specifically, the temperature setting range for oven preheating in step S4 is 50 ℃.
Specifically, the sample dilution solvent in step S8 is benzene.
Specifically, the appropriate amount of the sample diluting solvent in step S8 is added in the range of 60 ml.
Example 2
The present embodiment is different from embodiment 1 in that:
specifically, the temperature setting range detected by the high-temperature high-pressure rheometer in step S2 is 80 ℃.
Specifically, the temperature setting range for oven preheating in step S4 is 60 ℃.
Specifically, the sample dilution solvent in step S8 is benzene.
Specifically, the appropriate amount of the sample diluting solvent in step S8 is added in the range of 80 ml.
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. A method for distinguishing and detecting the physical properties of underground biodegradable thickened oil is characterized by comprising the following steps:
s1: preparing a dehydrated and degassed thick oil sample, a high-temperature high-pressure rheometer, a beaker, a thermostat, a balance, label paper, a chromatographic rod, a sample diluting solvent, an injector, a drying box and a thin-layer chromatograph;
s2: adding 50ml of dehydrated and degassed thick oil sample into a detection cavity of a high-temperature high-pressure rheometer, opening the high-temperature high-pressure rheometer, setting a detection temperature range, starting detection to obtain a viscosity-temperature relation curve of the thick oil sample, and judging the viscosity of the thick oil sample;
s3: standing the thick oil sample, waiting for cooling, and taking out the thick oil sample in the detection cavity of the high-temperature high-pressure rheometer;
s4: adding 25ml of thickened oil sample after viscosity discrimination into a clean and anhydrous beaker, placing the beaker into a dehydration and degassing thermostat, opening the thermostat, setting the temperature, and preheating for 1 hour;
s5: placing a clean anhydrous beaker on a balance to be weighed to obtain the weight of the beaker, resetting and resetting the balance, placing the beaker filled with a preheated thickened oil sample on the balance to be weighed to obtain the weight of the thickened oil sample and the weight of the beaker, subtracting the weight of the beaker from the weight of the thickened oil sample and the weight of the beaker to obtain the weight of the thickened oil sample, and dividing the weight of the thickened oil sample by the volume of the thickened oil sample to judge the relative density of the thickened oil sample;
s6: standing the thick oil sample, waiting for cooling, and taking out the thick oil sample in the beaker;
s7: labeling the first section of the chromatographic rod;
s8: taking 5ml of thickened oil samples after the relative density is judged, adding a proper amount of sample diluent solvent into the 5ml of thickened oil samples, oscillating to prepare thickened oil sample diluent, extracting the sample diluent through an injector, spot-coating the sample diluent on the tail sections of a first chromatographic rod to a third chromatographic rod, drying the first chromatographic rod to the third chromatographic rod through a drying box, drying, detecting the first chromatographic rod to the third chromatographic rod through a thin-layer chromatograph, detecting, and comparing, analyzing and detecting data to judge the content of colloid, asphaltene and wax in the thickened oil samples;
s9: comprehensively judging the final properties of the thickened oil according to the results of the viscosity, the relative density, the colloid content, the asphaltene content and the wax content of the judged thickened oil sample to obtain a judgment result;
s10: and (3) detecting instruments, a judging basis, a judging result and a final physical property judging result which are required in the whole process need to generate paper documents and electronic documents, the paper documents are placed in a file room of a crude oil detecting department for storage, and the electronic documents are uploaded to a cloud server for cloud storage.
2. The method for discriminating and detecting the physical properties of the underground biodegradable thickened oil according to claim 1, which is characterized in that: the temperature setting range detected by the high-temperature high-pressure rheometer in the step S2 is 30-80 ℃.
3. The method for distinguishing and detecting the physical properties of the underground biodegradable thickened oil according to claim 1, which is characterized by comprising the following steps: the preheating temperature of the constant temperature box in the step S4 is set to be 50-60 ℃.
4. The method for discriminating and detecting the physical properties of the underground biodegradable thickened oil according to claim 1, which is characterized in that: the sample dilution solvent in step S8 is benzene.
5. The method for discriminating and detecting the physical properties of the underground biodegradable thickened oil according to claim 1, which is characterized in that: the proper amount of the sample diluting solvent in step S8 is added in the range of 60-80 ml.
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2021
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