CN106950355B - Marine natural gas hydrate on-line comprehensive detection device and method - Google Patents
Marine natural gas hydrate on-line comprehensive detection device and method Download PDFInfo
- Publication number
- CN106950355B CN106950355B CN201710369073.1A CN201710369073A CN106950355B CN 106950355 B CN106950355 B CN 106950355B CN 201710369073 A CN201710369073 A CN 201710369073A CN 106950355 B CN106950355 B CN 106950355B
- Authority
- CN
- China
- Prior art keywords
- core
- detection
- pressure
- barrel
- ball valve
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/0092—Scheduling
Abstract
The invention discloses a ship-mounted comprehensive online detection device and method for marine natural gas hydrate, and belongs to the technical field of natural gas hydrate exploration. The device comprises a core pushing device, a pressure-maintaining heat-preserving core detection barrel, a pressure-controlling valve, a GR density tester, a P wave tester, an X-CT scanning imager, a first ball valve, a core cutting barrel, a core cutting instrument, a separating device, a second ball valve, a sub-sample backup barrel, an energy accumulator, a third ball valve, a first guide pipe, a gas chromatograph, an isotope mass spectrometer, a fourth ball valve, a second guide pipe and an ion chromatograph.
Description
Technical Field
The invention belongs to the technical field of natural gas hydrate exploration and development, and relates to a ship-mounted comprehensive on-line detection device and method for marine natural gas hydrate.
Background
The purpose of the in-situ coring exploration of the marine natural gas hydrate is to obtain first hand data of a hydrate sample, analyze characteristics of geochemical marks of the hydrate sample, in-situ physical properties of a hydrate reservoir and the like, and finally serve for commercial exploitation of hydrate resources and evaluation of the possibility of inducing geological disasters by decomposing the hydrate. The stable condition of the hydrate is high pressure and low temperature, and the hydrate is easily decomposed due to environmental change. During sampling, the temperature and pressure conditions are difficult to fully maintain in-situ underground, gas components in the sediment reservoir can escape over time, and sediment properties and the like can also change. Therefore, the pressure-maintaining coring is carried out on the hydrate, the on-line detection of the pressure-maintaining core is carried out in a short time along with the ship, and the physical characteristics of the real gas components of the hydrate sample and the hydrate reservoir can be reflected more accurately.
At present, the pressure maintaining and coring technology is mature in development at home and abroad, but the subsequent pressure maintaining transfer, treatment and detection technology of the samples in China has a great gap with the advanced level in the world. The PCATS system of Geotek company in England can analyze the original sediment structure under the condition of heat preservation and pressure maintaining (the maximum working pressure is 250 Bar), the core sample can be cut according to the requirement of a user, each small section of sample can be transferred into a customized pressure preservation cabin, and then the subsequent detection and analysis are continued. The Mallik mobile core laboratory in the united states can perform both whole core and slice measurements, but not under dwell conditions. In addition, other countries in the world and china are actively exploring on-line detection and analysis techniques for hydrate cores.
Disclosure of Invention
After the hydrate pressure maintaining sample is obtained, on-line detection and analysis on the ship should be carried out according to a certain sequence in order to ensure the efficiency and save the sample. The invention aims to provide a comprehensive on-line detection device and method for marine natural gas hydrate along with a ship, and designs a set of comprehensive and reasonable on-line detection and analysis items which comprise in-situ physical property analysis of reservoir sediments, gas component and isotope analysis of the hydrate, analysis of pore water components and the like aiming at pressure-maintaining coring samples. And simultaneously, carrying out backup on each sample under the conditions of heat preservation and pressure maintaining, transporting the samples to a land laboratory in a marine and land transportation mode, analyzing and detecting as soon as possible, and comparing the analysis results with the analysis results of comprehensive on-line detection along with a ship.
The specific technical scheme is as follows:
the ship-mounted comprehensive online detection device for the marine natural gas hydrate comprises a heat-preservation pressure-maintaining core detection barrel 2, wherein the leftmost side of the heat-preservation pressure-maintaining core detection barrel 2 is connected with a core pushing device 1, the right side of the core pushing device 1 is provided with a pressure control valve 3, the right side of the pressure control valve 3 is connected with a GR density tester 4, the right side of the GR density tester 4 is connected with a P-wave detector 5, the right side of the P-wave detector 5 is connected with an X-CT scanning imager 6, the rightmost upper part of the heat-preservation pressure-maintaining core detection barrel 2 is connected with a third ball valve 14, the third ball valve 14 is connected with a first guide pipe 15, the first guide pipe 15 is connected with a gas chromatograph 16, the gas chromatograph 16 is connected with an isotope gauge 17, the rightmost lower part of the heat-preservation pressure-maintaining core detection barrel 2 is connected with a fourth ball valve 18, the fourth ball valve 18 is connected with a second guide pipe 19, the second guide pipe 19 is connected with an ion chromatograph 20, the rightmost side of the heat-preservation core detection barrel 2 is connected with a first ball valve 7, the right side of the first ball valve 7 is connected with a core cutting barrel 8, a cutter 9 is arranged in the core cutting barrel 8, the right side of the core is connected with the core cutter 10, the right side of the core cutter 10 is connected with a separator 12, and the right side of the separator is connected with a sample 12, and the sample is connected with the right side of the sample 12.
Further, the pressure control valve 3 can adjust the pressure of the core detection barrel 2, and when the first ball valve 7 is opened, the pressures of the core cutting barrel 8 and the core detection barrel 2 can be adjusted to the original pressure of the hydrate;
further, the X-CT scanning imager 6 can rotate 360 degrees around the core positioned in the middle round hole of the turntable by fixing the ray source and the detector on the turntable, so that three-dimensional scanning of the core is realized, the position and the saturation of the hydrate in the core sample can be more intuitively detected, and the subsequent sample cutting and detection are guided;
further, the accumulator compensating device 13 can compensate for minute pressure leakage caused during transfer and storage of the sub-sample backup barrel 12.
A ship-mounted comprehensive online detection method of marine natural gas hydrate comprises the following steps:
step one: in the detection process, heat preservation measures are implemented on the detection chamber, including air conditioning temperature control of the detection chamber, detection of the barrel outer cover heat preservation material, and temperature control at about 0 ℃.
Step two: closing all ball valves, carrying out on-line detection on physical parameters of the in-situ sampling core in the heat-preservation pressure-maintaining core detection barrel 2, and recording a detection result R1;
step three: opening a first ball valve 7, cutting a specific position of a sample in a core cutting barrel 8 by using a core cutter 9 according to the physical property online detection result of the core, and selecting a first sub-sample with high hydrate content for subsequent online detection;
step four: opening the second ball valve 11, pushing the cut second sub-sample to the sub-sample backup barrel 12 for pressure maintaining and storage, closing the second ball valve 11, and adjusting the pressure of the sub-sample backup barrel 12 through the energy accumulator 13;
step five: separating the sub-sample backup barrel 12 by the separating device 10;
step six: pushing the first sub-sample to a physical property detection device, closing the first ball valve 7, carrying out on-line detection of in-situ physical property parameters of the first sub-sample in the heat-preservation pressure-maintaining core detection barrel 2, and recording a detection result R2;
step seven: the pressure value is regulated by the pressure control valve 3, and the pressure is released gradually and equivalently in four times, so that the pressure is reduced from P 0 Down to less than the hydrate decomposition critical pressure value P d At this time, the hydrate is fully decomposed, and the detection results R3, R4, R5 and R6 of the first subsamples under each pressure state are recorded;
the in-situ temperature and pressure values of the hydrate core sample are T 0 、P 0 The temperature and pressure values of the critical state are T 0 、P d Wherein the critical pressure P d The values can be calculated from the sampling depth and the hydrate stability curve:
P d ＝ρgD d
wherein ρ is sea water density, g is gravity acceleration, D d Is T 0 Depth value at the intersection of temperature and hydrate stability curve.
Step eight: after the hydrate is fully decomposed, the third ball valve 14 is opened, gas is guided into the gas chromatograph 16 through the first guide pipe 15 to detect hydrocarbon gas components, and then the gas is guided into the isotope mass spectrometer 17 to carry out hydrocarbon isotope analysis;
step nine: closing the third ball valve 14, opening the fourth ball valve 18, and introducing the fluid into the ion chromatograph 20 through the second conduit 19 for analysis, so as to grasp the information of the concentration of anions and cations in the pore water;
step ten: the second sub-sample of the pressure maintaining backup is transported to a land laboratory in a marine and land transportation mode, can not be transported by air, and is subjected to relevant analysis and detection as soon as possible, and is compared with the analysis result of comprehensive online detection along with the ship.
Further, the online detection of the physical parameters in the second, fifth and seventh steps comprises a (1) gr density detector 4, (2)P wave velocity detector 5 and (3)X-CT scanning imager 6) from left to right, wherein the above detection can be used for calculating the porosity and permeability of a core sample, measuring the core pore diameter and pore-throat ratio, and displaying the pore space distribution and the communication condition.
Further, before opening the first ball valve 7, the third step opens the second ball valve 11, and adjusts the pressure at two sides of the second ball valve 11 to P through the accumulator 0 The second ball valve 11 is then closed, the first ball valve 7 is opened, and the sample is cut in the core barrel 8 with the core cutter 9. When samples of different batches are cut, operations such as cleaning and the like are needed to be performed on the core cutter 9, and the pressure stability of the heat-preservation pressure-maintaining core detection barrel 2 can be kept only by closing the first ball valve 7.
Further, the step six is to detect the physical parameters of the hydrate under different pressures by gradually reducing the pressure, so that the decomposition process of the hydrate and the change of the physical properties of the in-situ sediment in the decomposition process of the hydrate can be helped to be recognized, the influence of the decomposition of the hydrate on the stability of the submarine sediment can be helped to be evaluated, and whether the submarine landslide and other geological disasters can be caused or not can be helped to be judged.
And further, the step nine is to convey the backup second sub-sample to a land laboratory in a marine and land transportation mode, and perform relevant analysis and detection, and compare with the analysis result of comprehensive on-line detection along with the ship, so that the method can help to discuss whether the existing sample pressure maintaining and heat preserving technology and the transferring process can pollute or destroy the sample.
Compared with the prior art, the invention has the beneficial effects that:
(1) Firstly, carrying out nondestructive online physical property detection R1 on a sampling sample, guiding the sample to cut by a detection result, carrying out online physical property detection R2 on a sub-sample again under in-situ temperature and pressure after cutting, and determining whether the cutting can affect the sample or not according to the result before comparison;
(2) The physical property parameter characteristics under different pressure states are obtained by gradually reducing the pressure along with the time change, so that the understanding of the decomposition process of the hydrate and the change of physical properties of in-situ sediments in the decomposition process of the hydrate can be facilitated, the influence of the decomposition of the hydrate on the stability of the seabed can be assisted to be evaluated, and the judgment of whether geological disasters such as seabed landslide and the like can be caused can be facilitated;
(3) The pressure maintaining rock core barrel is provided with two interfaces with ball valves, after the hydrate is fully decomposed, air and pore water at the top of the rock core can be respectively guided out to different instruments through a guide pipe by opening different ball valves, and the correlation analysis and detection are directly carried out. The design greatly improves the detection efficiency and avoids detection result errors caused by the sample transferring process.
(4) By comparing the on-line detection analysis result with the onshore laboratory analysis result of the backup sample, the existing sample pressure maintaining and heat preserving technology and the sample pollution or damage caused by the transferring process are discussed.
Drawings
FIG. 1 is a flow chart of comprehensive on-line detection of marine natural gas hydrate designed by the invention.
FIG. 2 (a) shows a map of the coring point locations of the design; (b) Hydrate phase curves show the in situ pressure conditions and the dissociation critical pressure conditions for the coring sample.
Fig. 3 shows a schematic diagram of the overall design of the invention.
1. A core pushing device; 2. pressure-maintaining heat-preserving core detection barrel; 3. a pressure control valve; 4. a GR density tester; 5. a P-wave detector; 6. an X-CT scanning imager; 7. a first ball valve; 8. core cutting barrel; 9. a core cutter; 10. a separation device; 11. a second ball valve; 12. a sub-sample backup barrel; 13. an accumulator; 14. a third ball valve; 15. a first conduit; 16. a gas chromatograph; 17. an isotope mass spectrometer; 18. a fourth ball valve; 19. a second conduit; 20. ion chromatograph.
Detailed Description
In order to make the technical means, the flow method, the achievement of the purpose and the effect of the present invention easy to understand, the present invention is further described below with reference to the accompanying drawings.
As shown in fig. 3, the ship-mounted comprehensive online detection device for the marine natural gas hydrate comprises a heat-preservation pressure-maintaining core detection barrel 2, wherein the leftmost side of the heat-preservation pressure-maintaining core detection barrel 2 is connected with a core pushing device 1, the right side of the core pushing device 1 is provided with a pressure control valve 3, the right side of the pressure control valve 3 is connected with a GR density tester 4, the right side of the GR density tester 4 is connected with a P wave detector 5, the right side of the P wave detector 5 is connected with an X-CT scanning imager 6, the rightmost upper part of the heat-preservation pressure-maintaining core detection barrel 2 is connected with a third ball valve 14, the third ball valve 14 is connected with a first conduit 15, the first conduit 15 is connected with a gas chromatograph 16, the gas chromatograph 16 is connected with an isotope mass spectrometer 17, the rightmost lower part of the heat-preservation pressure-maintaining core detection barrel 2 is connected with a fourth ball valve 18, the fourth ball valve 18 is connected with a second conduit 19, the second conduit 19 is connected with an ion ball valve 20, the rightmost side of the heat-preservation pressure-maintaining core detection barrel 2 is connected with a first backup ball valve 7, the right side of the first backup ball valve 7 is connected with a core cutting barrel 8, the core cutting barrel 8 is provided with a core cutting barrel 8, the right side of the core cutting barrel 8 is connected with a core cutting barrel 8 is provided with a first ball valve 8, the right side of the core cutting barrel 10 is connected with a separator 12, and the right side of the sample is connected with a sample 12.
Further, the pressure control valve 3 can adjust the pressure of the core detection barrel 2, and when the first ball valve 7 is opened, the pressures of the core cutting barrel 8 and the core detection barrel 2 can be adjusted to the original pressure of the hydrate;
further, the X-CT scanning imager 6 can rotate 360 degrees around the core positioned in the middle round hole of the turntable by fixing the ray source and the detector on the turntable, so that three-dimensional scanning of the core is realized, the position and the saturation of the hydrate in the core sample can be more intuitively detected, and the subsequent sample cutting and detection are guided;
further, the accumulator compensating device 13 can compensate for minute pressure leakage caused during transfer and storage of the sub-sample backup barrel 12.
As shown in fig. 1-3, a comprehensive on-line detection method for marine natural gas hydrate on-board a ship. The research method comprises the following steps:
step one: in the detection process, heat preservation measures are implemented on the detection chamber, including air conditioning temperature control of the detection chamber, detection of the barrel outer cover heat preservation material, and temperature control at about 0 ℃.
Step two: all ball valves are closed and the pressure is raised in situ (T 0 、P 0 ) Performing on-line detection of physical parameters on the sampled core in a Wen Baoya core detection barrel 2 under the condition, and recording a detection result R1;
assuming that the hydrate sample is taken from a point A at the upper part of BSR shown in FIG. 2 (a), the in-situ temperature and pressure conditions can be determined by the depth, the ground temperature gradient and the hydrate stability curve, and are T 0 、P 0 。
Step three: opening the second ball valve 11, and adjusting the pressure on two sides of the second ball valve 11 to P through the accumulator 13 0 Then closing the second ball valve 11, opening the first ball valve 7, cutting the specific position of the sample in the core cutting barrel 8 by using the core cutting instrument 9 according to the physical property online detection result of the core, and selecting a first sub-sample with high hydrate content for subsequent online detection;
step four: opening the second ball valve 11, pushing the cut second sub-sample to the sub-sample backup barrel 12 for pressure maintaining and storage, closing the second ball valve 11, and performing pressure adjustment on the sub-sample backup barrel 12 through the energy accumulator 13;
step five: separating the sub-sample backup barrel 12 by the separating device 10;
step six: pushing the first sub-sample to a physical property detection device, closing the first ball valve 7, carrying out on-line detection of in-situ physical property parameters of the first sub-sample in the heat-preservation pressure-maintaining core detection barrel 2, and recording a detection result R2;
step seven: the pressure value is regulated by the pressure control valve 3, and the pressure is released gradually and equivalently in four times, so that the pressure is reduced from P 0 Down to less than the hydrate decomposition critical pressure value P d At this time, the hydrate is fully decomposed, and the detection results R3, R4, R5 and R6 of the first subsamples under each pressure state are recorded;
assuming constant temperature, the critical pressure for hydrate decomposition, P d The pressure value of the point D can be calculated according to the depth of the point D. When the pressure value P of the sample barrel d Below this value, the hydrate stability condition is destroyed and the hydrate is decomposed.
Step eight: after the hydrate is fully decomposed, the third ball valve 14 is opened, gas is guided into the gas chromatograph 16 through the first guide pipe 15 to detect hydrocarbon gas components, and then the gas is guided into the isotope mass spectrometer 17 to carry out hydrocarbon isotope analysis;
step nine: closing the third ball valve 14, opening the fourth ball valve 18, and introducing the fluid into the ion chromatograph 20 through the second conduit 19 for analysis, so as to grasp the concentration information of anions and cations contained in the pore water;
step ten: the second sub-sample of the pressure maintaining backup is transported to a land laboratory in a marine and land transportation mode, and is subjected to relevant analysis and detection as soon as possible, and is compared with the analysis result of comprehensive on-line detection along with the ship.
In the foregoing, only the preferred embodiment of the present invention is described, and any simple modification or equivalent substitution of the technical solution that can be obviously obtained by those skilled in the art within the technical scope of the present invention disclosed in the present invention falls within the protection scope of the present invention.
Claims (4)
1. The comprehensive on-line detection device for the marine natural gas hydrate along with the ship is characterized by comprising a heat-preservation pressure-maintaining core detection barrel, wherein the leftmost side of the heat-preservation pressure-maintaining core detection barrel is connected with a core pushing device, the right side of the core pushing device is provided with a pressure control valve, the right side of the pressure control valve is connected with a GR density tester, the right side of the GR density tester is connected with a P wave detector, the right side of the P wave detector is connected with an X-CT scanning imager, the upper part of the rightmost side of the heat-preservation pressure-maintaining core detection barrel is connected with a third ball valve, the third ball valve is connected with a guide pipe, the first guide pipe is connected with a gas chromatograph, the gas chromatograph is connected with an isotope mass spectrometer, the lower part of the rightmost side of the heat-preservation pressure-maintaining core detection barrel is connected with a fourth ball valve, the right side of the second guide pipe is connected with an ion chromatograph, the rightmost side of the heat-preservation pressure-maintaining core detection barrel is connected with a first ball valve, the right side of the first ball valve is connected with a cutting barrel, the core cutting barrel is provided with a core cutting barrel, the right side of the core cutting barrel is connected with a separation device, the right side of the separation device is connected with a second ball valve, the right side of the sample backup barrel is connected with the second ball valve, and the sample barrel is connected with the sample; the X-CT scanning imager is characterized in that a radiation source and a detector are fixed on a turntable;
the pressure control valve is used for adjusting the pressure of the core detection barrel, and when the first ball valve is opened, the pressures of the core cutting barrel and the core detection barrel can be adjusted to the original pressure of the hydrate;
the X-CT scanning imager is characterized in that the X-ray source and the detector are fixed on the turntable, 360-degree rotation is carried out around the core positioned in the middle circular hole of the turntable, three-dimensional scanning of the core is realized, the position and the saturation of the hydrate in the core sample can be detected more intuitively, and subsequent sample cutting and detection are guided.
2. The on-board ship comprehensive on-line detection method of the marine natural gas hydrate is characterized by comprising the following steps of:
step one: in the detection process, heat preservation measures are implemented on the detection chamber, including air conditioning temperature control of the detection chamber, detection of heat preservation materials of the barrel outer cover, and temperature control at 0 ℃;
step two: closing all ball valves, carrying out on-line detection on physical parameters of the in-situ sampling core in a heat-preservation pressure-maintaining core detection barrel, and recording a detection result R1;
step three: opening a first ball valve, cutting a specific position of a sample in a core cutting barrel by using a core cutter according to the physical property online detection result of the core, and selecting a first sub-sample with high hydrate content for subsequent online detection;
step four: opening a second ball valve, pushing the cut second sub-sample to a sub-sample backup barrel for pressure maintaining and storage, closing the second ball valve, and adjusting the pressure of the sub-sample backup barrel through an energy accumulator;
step five: separating the sub-sample backup barrel through a separating device;
step six: pushing the first sub-sample to a physical property detection device, closing the first ball valve, carrying out on-line detection of in-situ physical property parameters of the first sub-sample in a heat-preservation pressure-maintaining core detection barrel, and recording a detection result R2;
step seven: is regulated by a pressure control valveThe pressure value is regulated, and the pressure is gradually and equivalently released in four times, so that the pressure is reduced from P 0 Down to less than the hydrate decomposition critical pressure value P d At this time, the hydrate is fully decomposed, and the detection results R3, R4, R5 and R6 of the first subsamples under each pressure state are recorded;
the in-situ temperature and pressure values of the hydrate core sample are T 0 、P 0 The temperature and pressure values of the critical state are T 0 、P d Wherein the critical pressure P d The values were calculated from the sampling depth and the hydrate stability curve:
P d ＝ρgD d
wherein ρ is sea water density, g is gravity acceleration, D d Is T 0 A depth value at the intersection of the temperature and the hydrate stability curve;
step eight: after the hydrate is fully decomposed, opening a third ball valve, leading gas into a gas chromatograph through a first conduit to detect hydrocarbon gas components, and then leading the gas into an isotope mass spectrometer (17) to carry out hydrocarbon isotope analysis;
step nine: closing the third ball valve, opening the fourth ball valve, and introducing the fluid into an ion chromatograph through the second conduit for analysis, so as to grasp the information of the concentration of anions and cations in the pore water;
step ten: the second sub-sample backed up by pressure maintaining is transported to a land laboratory in a marine and land transportation mode, cannot be transported by air, and is subjected to relevant analysis and detection as soon as possible, and is compared with the analysis result of comprehensive on-line detection along with the ship.
3. The on-board comprehensive on-line detection method of marine natural gas hydrate according to claim 2, wherein the on-line detection of the physical parameters in the second, fifth and seventh steps comprises a GR density detector, a P-wave velocity detector and an X-CT scanning imager from left to right, wherein the above detection can be used for calculating the porosity and permeability of a core sample, measuring the pore diameter and pore-throat ratio of the core sample, and displaying the pore space distribution and the communication condition.
4. The on-board comprehensive online detection method of marine natural gas hydrate according to claim 2, wherein after the hydrate is fully decomposed, the air and pore water at the top of the core are respectively led out to different instruments through a conduit by respectively opening the interfaces of a third ball valve and a fourth ball valve on the core barrel, and then correlation analysis and detection are directly carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369073.1A CN106950355B (en) | 2017-05-23 | 2017-05-23 | Marine natural gas hydrate on-line comprehensive detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369073.1A CN106950355B (en) | 2017-05-23 | 2017-05-23 | Marine natural gas hydrate on-line comprehensive detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950355A CN106950355A (en) | 2017-07-14 |
| CN106950355B true CN106950355B (en) | 2023-08-11 |
Family
ID=59480038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710369073.1A Active CN106950355B (en) | 2017-05-23 | 2017-05-23 | Marine natural gas hydrate on-line comprehensive detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106950355B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462685B (en) * | 2017-07-26 | 2018-07-06 | 中国地质调查局油气资源调查中心 | A kind of permafrost region underground water body dissolved methane Long-term Monitoring Systems and method |
| CN108645878B (en) * | 2018-05-24 | 2020-07-24 | 大连理工大学 | Submarine natural gas hydrate core in-situ pressure maintaining CT reaction kettle device |
| CN108613699A (en) * | 2018-05-24 | 2018-10-02 | 大连理工大学 | A kind of boat-carrying detection method of the non-fidelity sample of gas hydrates core |
| CN108761023A (en) * | 2018-05-24 | 2018-11-06 | 大连理工大学 | A kind of sea bed gas hydrate core boat-carrying multifunctional analysis laboratory installation |
| CN109307743B (en) * | 2018-10-27 | 2024-04-23 | 华南理工大学 | Device and method for rapidly measuring saturation of pressure-maintaining hydrate mineral core by microwave method |
| CN109973085B (en) * | 2019-03-25 | 2020-04-28 | 中国科学院地质与地球物理研究所 | System and method for measuring wave velocity of natural gas hydrate |
| CN110068733B (en) * | 2019-05-21 | 2020-03-27 | 中国科学院地质与地球物理研究所 | Device and method for measuring resistivity of natural gas hydrate pressure-maintaining coring sample |
| CN112213336A (en) * | 2020-09-02 | 2021-01-12 | 中国科学院地质与地球物理研究所 | CT (computed tomography) enhanced imaging method and system for three-dimensional structure of natural gas hydrate |
| CN112051121B (en) * | 2020-09-08 | 2024-04-09 | 中国海洋石油集团有限公司 | Rock core pressure maintaining continuity detection and cutting system and method |
| CN112710498B (en) * | 2020-12-15 | 2021-12-10 | 浙江大学 | Deep sea sediment sample transfer and on-line detection system and application method thereof |
| CN113358400B (en) * | 2021-06-03 | 2022-07-12 | 中国船舶科学研究中心 | Ultrahigh-pressure high-temperature rock core sample storage and transfer device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519991A (en) * | 2011-12-20 | 2012-06-27 | 大连理工大学 | Natural gas hydrate heat transfer performance testing apparatus used in X-ray CT equipment |
| CN102636503A (en) * | 2011-11-24 | 2012-08-15 | 大连理工大学 | CT (Electronic Computed X-ray Tomography technique) reformer for natural gas hydrate nature core and using method thereof |
| TW201247994A (en) * | 2011-05-30 | 2012-12-01 | Shell Int Research | Determining methane content of a bottom sample |
| KR20130051079A (en) * | 2011-11-09 | 2013-05-20 | 한국지질자원연구원 | Sub-marine sediment analysis apparatus and analysis method using the same |
| CN104155317A (en) * | 2014-06-24 | 2014-11-19 | 暨南大学 | Field measurement and analysis system for natural gas hydrate sample |
| CN104215622A (en) * | 2013-06-05 | 2014-12-17 | 青岛海洋地质研究所 | In-situ detection stimulation system for geochemical parameters of hydrates in abyssal deposits |
-
2017
- 2017-05-23 CN CN201710369073.1A patent/CN106950355B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201247994A (en) * | 2011-05-30 | 2012-12-01 | Shell Int Research | Determining methane content of a bottom sample |
| KR20130051079A (en) * | 2011-11-09 | 2013-05-20 | 한국지질자원연구원 | Sub-marine sediment analysis apparatus and analysis method using the same |
| CN102636503A (en) * | 2011-11-24 | 2012-08-15 | 大连理工大学 | CT (Electronic Computed X-ray Tomography technique) reformer for natural gas hydrate nature core and using method thereof |
| CN102519991A (en) * | 2011-12-20 | 2012-06-27 | 大连理工大学 | Natural gas hydrate heat transfer performance testing apparatus used in X-ray CT equipment |
| CN104215622A (en) * | 2013-06-05 | 2014-12-17 | 青岛海洋地质研究所 | In-situ detection stimulation system for geochemical parameters of hydrates in abyssal deposits |
| CN104155317A (en) * | 2014-06-24 | 2014-11-19 | 暨南大学 | Field measurement and analysis system for natural gas hydrate sample |
Non-Patent Citations (1)
| Title |
|---|
| 天然气水合物物性分析测试技术;赵仕俊;徐美;李申申;;石油仪器(第04期);1-5 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106950355A (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106950355B (en) | Marine natural gas hydrate on-line comprehensive detection device and method | |
| Liang et al. | Geological occurrence and accumulation mechanism of natural gas hydrates in the eastern Qiongdongnan Basin of the South China Sea: Insights from site GMGS5-W9-2018 | |
| Collett et al. | Geologic implications of gas hydrates in the offshore of India: Results of the National Gas Hydrate Program Expedition 01 | |
| Baker et al. | Diagenesis and petrophysics of the early Permian Moogooloo sandstone, southern Carnarvon basin, Western Australia | |
| US11613950B2 (en) | Core sampling and analysis using a sealed pressure vessel | |
| CN108761023A (en) | A kind of sea bed gas hydrate core boat-carrying multifunctional analysis laboratory installation | |
| CN104155317B (en) | A kind of gas hydrates sample site measuring and analysis system | |
| Busch et al. | Predicting effective diffusion coefficients in mudrocks using a fractal model and small‐angle neutron scattering measurements | |
| Wang et al. | Upwelling of Mantle‐derived Material in Southeast China: Evidence from Noble Gas Isotopes | |
| RU2331876C2 (en) | Method of ecological control of water pollution, bottom sediment and atmosphere along trunk pipelines laid at pool bottom, and device for its implementation | |
| Voltattorni et al. | Soil gas degassing during the 2009 L’Aquila earthquake: study of the seismotectonic and fluid geochemistry relation | |
| CN206772969U (en) | A kind of ocean gas hydrate integrates on-line measuring device with ship | |
| Wiersberg et al. | Mantle-derived fluids in the Nankai Trough Kumano forearc basin | |
| Fliegel et al. | Tubular textures in pillow lavas from a Caledonian west Norwegian ophiolite: A combined TEM, LA–ICP–MS, and STXM study | |
| CN1327218C (en) | Method for predicting deep oil-gas reservoir by BTEX anomaly in sea-bottom shallow sediment | |
| CN115901563A (en) | Method for calculating permeability of low-porosity and low-permeability reservoir by combining nuclear magnetic resonance and resistivity | |
| Bachelor et al. | Potential method for measurement of CO 2 leakage from underground sequestration fields using radioactive tracers | |
| Ker et al. | GHASS cruise report | |
| Yamaguchi et al. | Site C0024 | |
| Jean-Baptiste et al. | A simple copper-tube sampler for collecting and storing seawater for post-cruise CFC measurements | |
| Noguchi et al. | Fast measurement of dissolved inorganic carbon concentration for small-volume interstitial water by acid extraction and nondispersive infrared gas analysis | |
| CN111795988B (en) | Method and device for measuring T2 cut-off value of movable fluid | |
| McMutrtry et al. | Hydrocarbon seep monitoring using in situ deep sea mass spectrometry | |
| Moen et al. | Data report: 87Sr/86Sr in pore fluids off Shimokita, Japan | |
| Gannibal | Equilibrium helium partitioning in the rock-water system: New prospects for dating ancient groundwater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |