CN110595824B - Soil liquid light hydrocarbon field in-situ acquisition device and method - Google Patents

Soil liquid light hydrocarbon field in-situ acquisition device and method Download PDF

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CN110595824B
CN110595824B CN201810603238.1A CN201810603238A CN110595824B CN 110595824 B CN110595824 B CN 110595824B CN 201810603238 A CN201810603238 A CN 201810603238A CN 110595824 B CN110595824 B CN 110595824B
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soil
light hydrocarbon
drill bit
liquid light
situ
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CN110595824A (en
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王国建
卢丽
李吉鹏
宁丽荣
高俊阳
汤玉平
黄欣
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China Petroleum and Chemical Corp
Sinopec Exploration and Production Research Institute
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China Petroleum and Chemical Corp
Sinopec Exploration and Production Research Institute
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44Sample treatment involving radiation, e.g. heat

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
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Abstract

The invention provides a field in-situ soil liquid light hydrocarbon acquisition device and a field in-situ soil liquid light hydrocarbon acquisition method, wherein the field in-situ soil liquid light hydrocarbon acquisition device comprises a drill bit assembly, a drill rod assembly and a handle assembly, and further comprises a power supply device and a sealed container; the drill bit component comprises a sampling drill bit cylinder, a conical spiral piece, a heating element and an adsorbing material; the sampled soil sample is contained in the sampling drill bit cylinder, and the power supply device is electrically connected with the heating element arranged along the inner wall of the sampling drill bit cylinder through the connecting power lines arranged on the handle assembly and the drill rod assembly so as to heat the soil sample and desorb and gasify liquid light hydrocarbon in the soil sample; the adsorption material is arranged above the sampling drill bit cylinder and is used for adsorbing the gasified liquid light hydrocarbon; the conical spiral piece is arranged above the adsorbing material, and the outer wall of the conical spiral piece is provided with the spiral blade, so that the soil sample can be isolated from the atmosphere on the upper part. The invention realizes the in-situ extraction of C in soil to the maximum extent5‑C16Hydrocarbons, which can provide effective geochemical indexes for oil and gas exploration.

Description

Soil liquid light hydrocarbon field in-situ acquisition device and method
Technical Field
The invention relates to the technical field of oil and gas explorationIn particular to a reservoir micro-leakage liquid light hydrocarbon (namely C) used in field in-situ enrichment soil5-C16Hydrocarbons) collection device and method.
Background
The vertical micro-leakage of hydrocarbons in oil and gas reservoirs is the theoretical basis of the surface oil and gas chemical exploration technology. C in oil reservoir5-C16Petroleum hydrocarbon (liquid at normal temperature and normal pressure) components are not easy to generate in the surface environment and are considered as a more reliable index of petroleum micro-leakage. C5-C16The petroleum hydrocarbon has heavier molecular weight, relatively harsh leakage conditions, long leakage period, weak leakage amount to the earth surface and great extraction difficulty.
For C in surface deposits5-C16The extraction technology of petroleum leakage hydrocarbon, the foreign K-V fingerprint technology for identifying micro gas-phase substances developed by Klusman and Voorhess in the last 80 century, adopts the field embedded adsorption wire to adsorb C at normal temperature5+The above hydrocarbons have long period, low content and difficult recovery rate guarantee. Foley et al (2001) developed a B-type carbon trap adsorbing C in the ppm-ppb range5-C16Research on hydrocarbons in the field, Abrams (2009, 2011) and the like, developed indoor Headspace Solid Phase Microextraction (HSPME) technology for capturing C in samples5-C16Hydrocarbons, HSPME has proven to be a suitable method for revealing natural background and microleakage levels of gasoline hydrocarbons in subsea sediments, but there is hydrocarbon loss during field sample collection. The Goll company 2014 creates an innovation on the basis of a metal adsorption wire, and invents a novel adsorption sampling device by using expanded polytetrafluoroethylene to wrap an adsorbent, so that the adsorption C is improved compared with that of the metal adsorption wire5+The hydrocarbon content, but also has the problems of long period and difficult guarantee of recovery rate.
On the basis of the work of foreign scholars, the national institute of mineral and mining combined fertilizer petrochemical exploration center (1990), the von Jianyun et al (1991) of the university of Zhejiang, and the China Petroleum institute (2003), the manufacturing process of the nickel wire coated activated carbon adsorption wire is developed, and a method for detecting the nickel wire coated activated carbon adsorption wire by using a cracking chromatography is used. Meanwhile, the method is applied to oil and gas chemical exploration, and a certain effect is achieved. In recent years, with nanomaterialsThe development of technology, and the new development of materials for adsorbing hydrocarbons, has been carried out. The method comprises filling activated carbon fiber as adsorbent in waterproof and ventilated adsorption tube of Gaojunyang et al (2016), and sampling with air pump to extract soil gas and pass through the adsorption tube to C5-C16The hydrocarbons are adsorbed to obtain a certain effect. However, the problems of non-in-situ adsorption, hydrocarbon loss, incomplete adsorption from soil and low extraction content exist in both indoor adsorption and on-site adsorption at present.
The above existing problems affect C5-C16The application effect of near-surface oil and gas exploration of hydrocarbon indexes is one of the problems to be solved urgently in oil and gas exploration.
Disclosure of Invention
Aiming at the problems in the prior art, the invention needs to invent high-efficiency soil C5-C16The hydrocarbon field in-situ collecting device drills to a sampling target layer in situ in the field, heats a soil sample entering a sampling drill bit cylinder through an external power supply device, and can desorb and vaporize C with higher content5-C16Hydrocarbon is simultaneously adsorbed by the adsorbing material (silk) above the sampling drill bit cylinder body, thereby achieving the purpose of quickly and efficiently extracting C5-C16Hydrocarbon for the purpose of application in oil and gas exploration.
Specifically, the invention provides a field in-situ soil liquid light hydrocarbon collecting device, which comprises: a drill bit assembly, a drill rod and a handle, wherein the drill bit assembly is connected with the drill rod, the other end of the drill rod is connected with the handle,
the soil liquid light hydrocarbon field in-situ acquisition device also comprises a power supply device and a sealed container;
the drill bit assembly comprises a sampling drill bit cylinder, a conical spiral piece, a heating element and an adsorbing material;
the soil sample sampled in situ is accommodated in the sampling drill bit cylinder, and the power supply device is electrically connected with the heating element arranged in the sampling drill bit cylinder through a connecting power line so as to heat the soil sample and desorb and gasify liquid light hydrocarbon in the soil sample;
the drill rod assembly comprises a drill rod;
the adsorption material is arranged above the sampling drill bit cylinder and is used for adsorbing the gasified liquid light hydrocarbon, and the sealed container is used for hermetically storing the adsorption material after adsorbing the liquid light hydrocarbon;
the conical spiral piece is arranged above the adsorbing material, the outer wall of the conical spiral piece is provided with a spiral blade, and soil below the conical spiral piece is drilled and extruded to isolate the soil sample contained in the sampling drill bit cylinder from the upper atmosphere.
Further, the sealed container is a sealed glass tube.
Further, the drill bit assembly further comprises a metal screen arranged above the soil sample and used for preventing the soil sample from moving upwards to damage the adsorbing material.
Furthermore, the heating element is arranged in an interlayer between the inner wall and the outer wall of the sampling drill bit cylinder, and a heat insulating material is further arranged outside the heating element in the interlayer.
Further, the drill rod is of a hollow structure, and the connecting power line is connected with an electric connection socket arranged on the handle assembly and penetrates through the hollow structure of the drill rod.
Further, a temperature sensor is arranged at the heating element, and the wiring of the temperature sensor is connected to the handle assembly in the same way as the connecting power line so as to realize real-time monitoring of the heating temperature.
Further, the sampling drill bit cylinder, the conical screw and the drill rod are made of titanium alloy, and the adsorbing material is arranged in a replaceable manner.
Furthermore, the heating element is an electric heating tube, and the power supply device is a portable storage battery.
The invention also provides a soil liquid light hydrocarbon field in-situ acquisition method, which is used for operating the soil liquid light hydrocarbon field in-situ acquisition device and is characterized by comprising the following steps:
rotating the handle to drive the conical screw to reach a target layer, enabling the soil sample of the target layer to enter the sampling drill bit cylinder, and performing drilling extrusion on the soil below through the conical screw to realize isolation from the upper atmosphere of the soil sample contained in the sampling drill bit cylinder;
secondly, the power supply device is switched on, so that the heating element heats the soil sample to desorb and gasify the liquid light hydrocarbon in the soil sample, and meanwhile, the adsorption material adsorbs the liquid light hydrocarbon;
and thirdly, after the preset temperature is reached and the specified time is passed, the connection of the power supply device is disconnected, the soil liquid light hydrocarbon field in-situ acquisition device is taken out, the adsorption material is taken out from the soil liquid light hydrocarbon field in-situ acquisition device and is placed in a sealed container, and then the soil liquid light hydrocarbon field in-situ acquisition device is sent to a laboratory for analysis.
The invention is mainly applied to the C in the soil of arid area or semiarid area5-C16In situ collection of hydrocarbons. The application range mainly comprises oil gas geochemical exploration, soil investigation, environmental investigation and the like. Has wide application prospect.
According to the above invention, soil C can be realized5-C16The hydrocarbon is efficiently extracted in situ in the field, and compared with the traditional methods such as in situ burying adsorption filaments in the field, the method is characterized in that the C in the vaporized soil is desorbed by heating with the help of external equipment5-C16The hydrocarbon has the advantages of high desorption amount, short enrichment time and high recovery rate.
When a target layer sample enters the sampling drill bit barrel, the upper conical spiral part is drilled and extruded towards the soil below through the conical spiral part to isolate the soil sample contained in the sampling drill bit barrel from the upper atmosphere, the sample in the drill bit barrel is heated through a heating element such as an electric heating tube, and C in the soil is desorbed and vaporized5-C16Hydrocarbon, the adsorbing material on the top of the cylinder can realize effective adsorption. Desorbing C in soil for field in-situ heating5-C16The hydrocarbon and adsorbing material are rich in the hydrocarbons with short period (generally 0.5 hour) and high content, and each sampling point can be ensured to be sampledThe samples were collected.
For example, using the soil C5-C16An oil gas exploration application test is carried out on the spring light oil field of the pseudo-songorian basin in Xinjiang by the hydrocarbon field in-situ acquisition device, and the obtained earth surface C above the oil reservoir5-C16The hydrocarbon has high abnormal abundance, the abnormal distribution and the oil reservoir range are better in goodness of fit, and the geochemical abnormal area and the geochemical background area are obviously separated, so that a good application effect is obtained.
Drawings
The present invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings, which are described herein for illustrative purposes only and are not intended to limit the scope of the present disclosure in any way. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.
Fig. 1 is a schematic structural diagram of a field in-situ soil liquid light hydrocarbon acquisition device.
Figure 2 is an enlarged view of the drill bit assembly of the present invention.
Description of the symbols
1 sampling drill bit cylinder, 2 heat-insulating materials, 3 heating elements, 4 metal filter screens, 5 adsorbing materials, 6 heating element power lines, 7 interfaces, 8 conical screws, 9, helical blades, 10 drill rods, 11 connecting power lines, 12 handles, 13 electric connecting sockets, 14 plug power lines, 15 storage battery bodies, 16 switches, 17 handles, 18 charging sockets, 19 telescopic pull rods, 20 slidable bottom wheels, 21 sealing containers, 22 collected adsorbing material samples, A drill bit components, B power supply devices, C drill bit components, D handle components, E soil, H drilling holes and SE soil samples.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations of the invention, which may be considered to be within the scope of the invention, will occur to those skilled in the art upon studying the disclosure and the accompanying drawings, and the invention will be further described below.
In this example, as shown in FIG. 1, soil C with high efficiency5-C16The hydrocarbon field in-situ acquisition device comprises a drill bit component A, a drill rod component C, a handle component D, a power supply device B and a sealing container 21. The drill bit assembly a is connected to one end of a drill rod assembly C, the other end of which is connected to a handle assembly D. The sealed container 21 may be, for example, a sealed glass tube in fig. 1, and the power supply device B may be, for example, an external portable battery for heating, which includes the battery body 15, the switch 16, the handle 17, the charging socket 18, the retractable pull rod 19, the slidable bottom wheel 20, and the like shown in fig. 1.
Specifically, as shown in fig. 2, the drill bit assembly a includes a sampling drill bit cylinder 1 (with an interlayer containing a heat insulating material 2), a conical screw 8 (disposed above the adsorbing material 5 and a helical blade 9 disposed on an outer wall), a heating element 3 (disposed in the interlayer of the drill bit cylinder 1, for example, an electric heating tube), a replaceable adsorbing material 5 (disposed above the sampling drill bit cylinder 1), and a metal filter screen 4, and further, a heating element power line 6 electrically connects the heating element 3 with a connection power line 11 (a high-power electric wire for satisfying the working requirement of the heating element) through an interface 7. After the soil sample SE of the target layer enters the sampling drill bit cylinder 1 after the soil sample SE of the target layer is drilled into the target layer, the upper conical spiral piece 8 realizes the isolation of the soil sample SE contained in the sampling drill bit cylinder 8 from the upper atmosphere (a drill hole H and the atmosphere above the drill hole H) through the drilling extrusion of the soil towards the lower part. The metal filter screen 4 is used for preventing the soil sample SE in the sampling drill bit barrel 1 from moving upwards to damage the adsorbing material 5, and plays a role in protecting the adsorbing material 5. The soil sample SE in the sampling drill bit barrel 1 is heated by the heating element 3, and C in the soil sample SE is desorbed and vaporized5-C16The hydrocarbon, the adsorption material 5 on the top of the sampling drill bit barrel 1 can realize effective adsorption. The heat insulating material 2 is arranged in an interlayer between the inner wall and the outer wall of the sampling drill bit cylinder 1 and is positioned outside the heating element 3, and is used for isolating the heat released by the heating element 3 in the sampling drill bit cylinder 1 so as not to add the soil E outside the sampling drill bit cylinder 1Heat thereby reducing C to SE of soil sample5-C16The influence of the accuracy of the amount of adsorption of hydrocarbons. The heating element 3 may also be provided with a temperature sensor (not shown in the figures), the wiring of which may be connected to the handle 12 in the same way as the connection power cord 11 to enable real-time monitoring of the heating temperature. The temperature can be monitored and controlled. The predetermined temperature for the warm-up and the prescribed time for the warm-up can be set at the power supply device B.
The drill rod component C comprises a drill rod 10 with a hollow structure, a connecting power line 11 (an insulating skin is arranged outside), an interface nut and a sealing washer. The drill rod 10 is hollow and allows the power cord 11 connected to the heating element 3 to pass through it, terminating in a central port in the handle 12. The interface nut can fix the electric wire and the interface, and the sealing washer is used for fixing the interface.
The handle assembly D includes a hollow removable handle 12 with a screw, a handle nut securing portion. The handle 12 is mounted and dismounted by screwing the screw, and transportation is facilitated. The handle nut holding portion is integral with the drill rod 10.
The plug-equipped power cord 14 electrically connects the battery main body 15 to the electrical inlet 13. The charging interface 18 can be connected with alternating current through a power line to perform quick charging. Two handles 17 are arranged on the storage battery main body 15, so that the storage battery is convenient for carrying in field areas where vehicles cannot pass. The bottom of the storage battery main body 15 is provided with a slidable bottom wheel 20 such as a universal wheel, and the slidable bottom wheel can be dragged by a pull rod to move, so that labor is saved on a walking road.
The sampling drill bit barrel 1 and the conical screw 8, as well as the drill rod 10 and the like, which are main components of the drill bit assembly a, can be made of titanium alloy materials, so that the device is light and convenient.
The sealed container 21 is, for example, a sealed glass tube, and can be sealed with an alcohol burner. By heating to desorb C in soil5-C16After the hydrocarbon is adsorbed by the adsorbing material 5 on the top of the cylinder, the adsorbing material 5 is taken out and put into a glass tube, and the glass tube is burned and sealed by an alcohol burner.
In a field sampling place, before the acquisition device is used, a hole with the aperture larger than the maximum diameter of a conical spiral piece of the acquisition device is drilled at a sampling point by a Luoyang shovel, and the drilling depth of the Luoyang shovel is close to the target layer soil. Then the collecting device is used for drilling into the soil of the target layer.
When drilling, when a soil sample SE of a target layer enters the sampling drill bit cylinder 1, the upper conical screw 8 is subjected to drilling extrusion through the soil E below to realize isolation from the atmosphere at the upper part of the soil sample SE contained in the sampling drill bit cylinder 1, the soil sample SE in the drill bit cylinder 1 is heated through the heating element 3, and C in the soil sample SE is desorbed and vaporized5-C16The hydrocarbon, the adsorbent material 5 on the top of the bit barrel 1, can be effectively adsorbed. Desorption of C in soil sample SE by field in situ heating5-C16The hydrocarbon and the adsorption material 5 are rich in the hydrocarbons in a short period (generally 0.5 hour) and high in content, so that samples can be collected at each sampling point.
In addition, the invention also provides a field in-situ acquisition method for soil liquid light hydrocarbon, which is used for operating the field in-situ acquisition device for the soil liquid light hydrocarbon and comprises the following steps:
the rotating handle 12 drives the conical spiral piece 8 to reach a target layer, a soil sample SE of the target layer enters the sampling drill bit cylinder 1, and the soil sample SE contained in the sampling drill bit cylinder 1 is isolated from the upper atmosphere by drilling and extruding soil E below the conical spiral piece 8;
secondly, the power supply device B is switched on, so that the heating element 3 heats the soil sample SE to desorb and gasify the liquid light hydrocarbon in the soil sample SE, and meanwhile, the adsorption material 5 adsorbs the liquid light hydrocarbon;
and thirdly, after the preset temperature is reached and the specified time is passed, disconnecting the power supply device B, taking out the soil liquid light hydrocarbon field in-situ acquisition device, taking out the adsorption material 5 from the field in-situ acquisition device, putting the adsorption material into a sealed container 21 (the sealed adsorption material 5 is an acquired adsorption material sample 22 shown in figure 1), and sending the adsorption material sample to a laboratory for analysis.
The predetermined temperature and the predetermined time may be determined according to the test requirements, and may be, for example, 60 ℃ for the predetermined temperature of preheating and 30 minutes for the predetermined time of preheating.
Adsorption of C5-C16The hydrocarbon adsorbing material is sealed by a glass tube and then enters a thermal desorption system of a laboratory, and the content of the hydrocarbon adsorbing material is analyzed by GC-MS. According to the invention, the C in the soil can be extracted in situ to the maximum extent5-C16Hydrocarbons, thereby providing an effective geochemical index for oil and gas exploration.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides a field normal position collection system of soil liquid light hydrocarbon, includes: a drill bit component, a drill rod component and a handle component, wherein the drill bit component is connected with one end of the drill rod component, the other end of the drill rod component is connected with the handle component,
the soil liquid light hydrocarbon field in-situ acquisition device also comprises a power supply device and a sealed container;
the drill bit assembly comprises a sampling drill bit cylinder, a conical spiral piece, a heating element and an adsorbing material;
the soil sample sampled in situ is contained in the sampling drill bit cylinder, and the power supply device is electrically connected with the heating element arranged in the sampling drill bit cylinder through a connecting power line so as to heat the soil sample and desorb and gasify liquid light hydrocarbon in the soil sample;
the drill rod assembly comprises a drill rod;
the adsorption material is arranged above the sampling drill bit cylinder and used for adsorbing the gasified liquid light hydrocarbon, and the sealing container is used for sealing and storing the adsorption material after adsorbing the liquid light hydrocarbon;
the conical spiral piece is arranged above the adsorbing material, the outer wall of the conical spiral piece is provided with a spiral blade, and soil is drilled and extruded downwards through the conical spiral piece to isolate the soil sample contained in the sampling drill bit cylinder from the upper atmosphere;
the heating element is arranged in an interlayer between the inner wall and the outer wall of the sampling drill bit cylinder, and a heat insulating material is further arranged on the outer side of the heating element in the interlayer.
2. The field in-situ soil liquid light hydrocarbon collection device according to claim 1, wherein the sealed container is a sealed glass tube.
3. The soil liquid light hydrocarbon field in-situ collection device of claim 1, the drill bit assembly further comprising a metal screen disposed above the soil sample for preventing the soil sample from moving up to damage the adsorbent material.
4. The soil liquid light hydrocarbon field in-situ collection device as claimed in any one of claims 1 to 3, wherein the drill rod is a hollow structure, and the connection power line is connected with an electric socket arranged on the handle assembly and penetrates through the hollow structure of the drill rod.
5. The soil liquid light hydrocarbon field in-situ collection device of any one of claims 1 to 3, wherein a temperature sensor is disposed at the heating element, and wiring of the temperature sensor is connected to the handle assembly in the same manner as the connecting power line to realize real-time monitoring of heating temperature.
6. The soil liquid light hydrocarbon field in-situ collection device of any one of claims 1 to 3, wherein the sampling drill bit cylinder, the conical screw and the drill rod are made of titanium alloy, and the adsorption material is arranged in a replaceable manner.
7. The soil liquid light hydrocarbon field in-situ collection device of any one of claims 1 to 3, wherein the heating element is an electrical heating tube and the power supply device is a portable storage battery.
8. A field in-situ collection method for soil liquid light hydrocarbon, which is used for operating the field in-situ collection device for soil liquid light hydrocarbon of any one of claims 1 to 7, and is characterized by comprising the following steps:
rotating the handle assembly to drive the conical spiral member to reach a target layer, enabling the soil sample of the target layer to enter the sampling drill bit cylinder, and performing drilling extrusion on soil below through the conical spiral member to isolate the soil sample contained in the sampling drill bit cylinder from the upper atmosphere;
(II) switching on the power supply device to enable the heating element to heat the soil sample so as to desorb and gasify the liquid light hydrocarbon in the soil sample, and meanwhile, enabling the adsorption material to adsorb the liquid light hydrocarbon;
and thirdly, after the preset temperature is reached and the specified time is passed, disconnecting the power supply device, taking out the soil liquid light hydrocarbon field in-situ acquisition device, taking out the adsorption material from the soil liquid light hydrocarbon field in-situ acquisition device, putting the adsorption material into a sealed container, and sending the adsorption material to a laboratory for analysis.
CN201810603238.1A 2018-06-12 2018-06-12 Soil liquid light hydrocarbon field in-situ acquisition device and method Active CN110595824B (en)

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CN112710515A (en) * 2020-12-16 2021-04-27 上海赛弗生物科技有限公司 In-situ soil gas measuring device and collecting method thereof

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CN106769247A (en) * 2016-12-23 2017-05-31 山东科技大学 A kind of surface geochemical exploration adsorption filament is implanted into retracting device and application method
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Publication number Priority date Publication date Assignee Title
CN1611743A (en) * 2003-10-29 2005-05-04 中国石油化工股份有限公司 Underground gas collecting drilling tool
RU2368889C1 (en) * 2008-04-10 2009-09-27 Виталий Геннадьевич Лапченко Method of thermo-chemical detection of leakage of hydrocarbon fuel in soil
CN104181284A (en) * 2014-07-11 2014-12-03 上海市政工程设计研究总院(集团)有限公司 Continuous measuring device and method for volatile organics in soil
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CN106769247A (en) * 2016-12-23 2017-05-31 山东科技大学 A kind of surface geochemical exploration adsorption filament is implanted into retracting device and application method
CN107340152A (en) * 2017-07-08 2017-11-10 江翠珍 A kind of soil volatile organic matter environmental protection tests device

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