WO2019075886A1 - 一种水合物开采过程中海底变形的实时监控装置 - Google Patents
一种水合物开采过程中海底变形的实时监控装置 Download PDFInfo
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- WO2019075886A1 WO2019075886A1 PCT/CN2017/116304 CN2017116304W WO2019075886A1 WO 2019075886 A1 WO2019075886 A1 WO 2019075886A1 CN 2017116304 W CN2017116304 W CN 2017116304W WO 2019075886 A1 WO2019075886 A1 WO 2019075886A1
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- time monitoring
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- 238000012544 monitoring process Methods 0.000 title abstract description 11
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- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000005065 mining Methods 0.000 claims description 14
- 238000012806 monitoring device Methods 0.000 claims description 9
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0099—Equipment or details not covered by groups E21B15/00 - E21B40/00 specially adapted for drilling for or production of natural hydrate or clathrate gas reservoirs; Drilling through or monitoring of formations containing gas hydrates or clathrates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/001—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells specially adapted for underwater installations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/006—Measuring wall stresses in the borehole
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/58—Wireless transmission of information between a sensor or probe and a control or evaluation unit
Definitions
- the invention belongs to the technical field of energy exploitation, and particularly relates to a real-time monitoring device for seafloor deformation during hydrate production.
- Natural gas hydrate is a kind of crystalline material formed by natural gas and water under low temperature and high pressure. It is like ice and can be burned. It is commonly known as “combustible ice” and is widely found in permafrost and seabed. It is estimated that the natural gas hydrates in the natural gas hydrates are twice the total carbon content of other fossil energy sources and are a potential energy resource.
- the submarine gas hydrate reservoir has a certain bearing capacity for the seabed strata, and the presence of natural gas hydrate can enhance the mechanical strength of the seabed sediment.
- the mechanical strength of natural gas hydrate deposits is reduced, the sediments originally cemented together lose stability, and slip or collapse occurs under the action of high-pressure seawater, and the seabed is induced. Landslides threaten mining safety.
- seabed earthquake monitoring is particularly important.
- the relevant data of trial mining is also in a confidential stage.
- the submarine ground settlement and deformation, especially the types of small deformations and deformations, and the technology of seabed seismic monitoring are relatively Rare.
- the object of the present invention is to provide a real-time monitoring device for seafloor deformation during hydrate mining, which can realize settlement, micro deformation and real-time monitoring of deformation types of seabed formation.
- a real-time monitoring device for seafloor deformation during hydrate mining comprising a main frame, a detecting device, and a sensing and wireless data transmission device;
- An upper U-shaped handle is disposed above the main frame, and at least two movable sleeves and at least two lever fixing rods are disposed around the main frame;
- the detecting device includes at least two detecting straight rods in different directions, the detecting straight rod is connected to the main frame through the movable sleeve for lateral expansion and contraction, and the detecting straight rod has at least two lower ends a fixing bracket uniformly distributed perpendicularly to the detecting straight rod for fixing the entire device, wherein the detecting straight rod is provided with a movable lever for amplifying the monitored actual shape variable, and the movable lever passes through the
- the lever fixing rod is connected to the main frame, and the upper end of the movable lever is provided with a retractable spring;
- the sensing and wireless data transmission device includes at least two different directions of tensile and compressive stress sensors, a gyro sensor, a wireless data transmission transmitter, and a power source, all mounted in the main frame, and the tensile and compressive stress sensor passes through the
- the retractable spring is connected to the movable lever, and the micro-deformation response of the sea bottom is obtained by monitoring the tensile and compressive stress of the retractable spring, and the type of deformation of the sea-bottom deformation can be judged by the numerical change of the tensile stress, the gyroscope
- the sensor is located in the center of the main frame to monitor the settlement and large shock response of the sea floor, and the wireless data transmission transmitter realizes real-time transmission of monitoring data. .
- the main frame is a spherical mechanism made of a pressure-resistant and corrosion-resistant material.
- the tensile stress sensor, the gyro sensor, and the wireless data transmission transmitter are high pressure waterproof.
- an upper end of the inverted U-shaped handle is provided with a handle lifting wire, and a protective cable fixing rod and a protection cable are further disposed above the detecting straight rod, and the protection cable passes through the protection cable fixing rod and the The handle lifting wires together support the entire device.
- Figure 1 is a front elevational view showing the structure of the present invention
- Figure 2 is a schematic view showing the structure of a spherical body of the present invention.
- Figure 3 is a plan view of the present invention.
- a real-time monitoring device for seafloor deformation during hydrate mining comprising a main frame 1, a detecting device, and a sensing and wireless data transmission device;
- the main frame 1 is provided with an inverted U-shaped handle 4, and the main frame 1 is provided with at least two movable sleeves 2 and at least two lever fixing rods 6;
- the detecting device comprises at least two detecting straight rods 11 in different directions, the detecting straight rods 11 being connected to the main frame 1 through the movable sleeve 2 for lateral expansion and contraction, the detecting straight rods 11
- the lower end is provided with at least two fixing brackets 12 vertically and evenly distributed with the detecting straight rod 11 for fixing the entire device, and the movable straight rod 11 is provided with a movable lever 7 for amplifying the monitored actual shape.
- the movable lever 7 is connected to the main frame 1 through the lever fixing rod 6, the upper end of the movable lever 7 is provided with a retractable spring 5;
- the sensing and wireless data transmission device includes at least two different directions of tensile and compressive stress sensors 14, a gyro sensor 15, a wireless data transmission transmitter 3, and a power source 13, both of which are mounted in the main frame 1, the pulling
- the compressive stress sensor 14 is connected to the movable lever 7 through the retractable spring 5, and the micro-deformation response of the sea bottom is obtained by monitoring the tensile and compressive stress of the retractable spring 5, and the numerical value of the tensile stress is changed (stress) Smaller means expansion, larger stress means compression) can determine the type of seabed deformation, the gyro sensor 15 is located in the center of the main frame 1, and can monitor the settlement of the seabed and the large shock response, the wireless data transmission and emission
- the device 3 realizes real-time transmission of monitoring data.
- the main frame 1 is a spherical mechanism and is made of a pressure-resistant and corrosion-resistant material.
- the tensile stress sensor 14, the gyro sensor 15, and the wireless data transmission transmitter 3 are high pressure waterproof.
- the upper end of the inverted U-shaped handle 4 is provided with a handle lifting wire 10, and above the detecting straight rod 11, a protection cable fixing rod 8 and a protection cable 9 are provided, and the protection cable 9 is fixed by a protection cable.
- the rod 8 supports the entire device together with the handle lifting wire 10.
- the water depth is 1200 m
- the main frame 1 has a diameter of 50 cm and can withstand an external force of 20 MPa.
- the detecting straight rod 11 is 5 m long
- the fixing bracket 12 is 60 cm long
- the components exposed to seawater are made of anti-corrosive materials.
- the retractable spring 5 is 120 cm long, has a telescopic range of ⁇ 60 cm, and can withstand a stress range of 0-500 N.
- the tensile stress sensor 14 monitors the stress signal range from 0-20 KN and has a sensitivity of 1 N.
- the accuracy of measuring the seabed deformation is 1 mm.
- the electronic gyro sensor 15 employs a three-dimensional angle sensor with an attitude measurement accuracy of 0.01 degrees.
- the wireless transmission adopts FSK FM underwater wireless transceiver module, the working frequency is 27.095MHz, and the rated voltage is 1.3V ⁇ 9V.
- the power source 13 adopts a lithium power source group, and the device can be used normally
- the handle lifting wire 10 of the inverted U-row handle 4 is hung by the cable, and the protection cable 9 of the detecting straight rod 11 is supported by the protection cable fixing rod 8 together with the handle lifting wire 10 at this time.
- the entire device begins to be directed to a predetermined subsea location.
- the fixed bracket 12 is inserted into the seafloor cover layer by gravity.
- the tensile and compressive stress sensor 14 has a certain initial value, and secondly, the device may not be able to ensure a complete level during the delivery process, so the sensor signal should be cleared first after the delivery is completed.
- the gyro sensor 15 When the seabed is caused by the exploitation of natural gas hydrate and the seabed earthquake is induced, the gyro sensor 15 will monitor the relevant signals in time so that the working platform can react quickly; when the local layer shrinks, the detecting straight rod 11 will pass the movable sleeve.
- the tube 2 is contracted, and then the retractable spring 5 is stretched by the movable lever 7, and the tensile stress sensor 14 obtains a tensile signal and transmits it in real time.
- the sea bottom deformation type is contraction
- the stress signals in different directions are The seabed shrinkage direction can be judged, and the degree of shrinkage can be judged by the magnitude of the stress change; similarly, when the seabed is subjected to tensile deformation, it can be judged according to the corresponding stress signal.
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Computer Networks & Wireless Communication (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
Claims (5)
- 一种水合物开采过程中海底变形的实时监控装置,其特征在于,包括主框架(1)、探测装置和传感及无线数据传输装置;所述主框架(1)上方设有倒U形手柄(4),所述主框架(1)四周设有至少两个可活动套管(2)和至少两个杠杆固定杆(6);所述探测装置包括至少两根不同方向的探测直杆(11),所述探测直杆(11)通过所述可活动套管(2)与所述主框架(1)相连接,所述探测直杆(11)下端均设有至少两个与所述探测直杆(11)垂直均匀分布的固定支架(12),所述探测直杆(11)的上方设有可活动杠杆(7),所述可活动杠杆(7)通过所述杠杆固定杆(6)与所述主框架(1)相连接,所述可活动杠杆(7)的上端设有一可伸缩弹簧(5);所述传感及无线数据传输装置包括至少两个不同方向的拉压应力传感器(14)、陀螺仪传感器(15)、无线数据传输发射器(3)和电源(13),均安装在所述主框架(1)内,所述拉压应力传感器(14)通过所述可伸缩弹簧(5)与所述可活动杠杆(7)相连接,所述陀螺仪传感器(15)位于所述主框架(1)的正中心。
- 根据权利要求1所述的水合物开采过程中海底变形的实时监控装置,其特征在于,所述主框架(1)为球形机构,由耐压抗腐蚀性材料制成。
- 根据权利要求1所述的水合物开采过程中海底变形的实时监控装置,其特征在于,所述拉压应力传感器(14)、所述陀螺仪传感器(15)和所述无线数据传输发射器(3)高压防水。
- 根据权利要求1所述的水合物开采过程中海底变形的实时监控装置,其特征在于,所述倒U形手柄(4)的上端设有手柄起吊线(10)。
- 根据权利要求1所述的水合物开采过程中海底变形的实时监控装置,其特征在于,所述探测直杆(11)的上方还设有保护缆线固定杆(8)和保护缆线(9)。
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US16/332,793 US11054254B2 (en) | 2017-11-08 | 2017-12-15 | Real-time monitoring apparatus for seafloor deformation during hydrate exploitation |
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CN201711093407.3 | 2017-11-08 | ||
CN201711093407.3A CN107727063B (zh) | 2017-11-08 | 2017-11-08 | 一种水合物开采过程中海底变形的实时监控装置 |
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US (1) | US11054254B2 (zh) |
CN (1) | CN107727063B (zh) |
WO (1) | WO2019075886A1 (zh) |
Cited By (1)
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CN115754152A (zh) * | 2022-11-21 | 2023-03-07 | 大连理工大学 | 一种模拟水合物分解触发海底斜坡破坏的实验系统及使用方法 |
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- 2017-12-15 WO PCT/CN2017/116304 patent/WO2019075886A1/zh active Application Filing
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CN105716847A (zh) * | 2016-02-03 | 2016-06-29 | 重庆飞宙机械自动化设备有限公司 | 踏板刚度测试装置的控制系统 |
CN105674945A (zh) * | 2016-02-04 | 2016-06-15 | 浙江大学 | 一种基于mems传感器的海底滑坡监测装置及监测方法 |
CN105627980A (zh) * | 2016-03-21 | 2016-06-01 | 大连理工大学 | 一种海洋天然气水合物开采地层变形实时监测装置 |
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CN113155088A (zh) * | 2021-03-23 | 2021-07-23 | 福建省永正工程质量检测有限公司 | 一种建筑沉降观测装置及使用方法 |
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