CN104192693A - Sample liner jack catch for pressurizing and transferring hydrate sediments and application method thereof - Google Patents
Sample liner jack catch for pressurizing and transferring hydrate sediments and application method thereof Download PDFInfo
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- CN104192693A CN104192693A CN201410367293.7A CN201410367293A CN104192693A CN 104192693 A CN104192693 A CN 104192693A CN 201410367293 A CN201410367293 A CN 201410367293A CN 104192693 A CN104192693 A CN 104192693A
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- push rod
- claw
- pushing cylinder
- bushing pipe
- rotary head
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Abstract
The invention relates to a pressurizing and transferring device, and aims at providing a sample liner jack catch for pressurizing and transferring hydrate sediments and an application method thereof. The sample liner jack catch comprises a pushing cylinder, a threaded rod, a nut sleeve, a feeding swivel head, special screws, ejector rods, slide bars, ejector rod rotating shafts, stopper screws and exchange needles, wherein the pushing cylinder and the nut sleeve are in threaded connection with each other; the feeding swivel head and the threaded rod are in threaded connection with each other; the front end of the feeding swivel head is embedded between the nut sleeve and the pushing cylinder; the threaded rod is embedded in a drum which is formed by the pushing cylinder, the nut sleeve and the feeding swivel head which are connected with one another. The sample liner jack catch has the beneficial effects that the jack catch is designed in an inner claw form, the stability and space occupation of the jack catch are both taken into account, and an inner claw can be conveniently embedded into a sample liner; the threaded rod is driven by rotation of the feeding swivel head, and the ejector rod is pushed to act on the built-in exchange needles to firmly clamp the sample liner; the top of the jack catch is set to be in a reverse tapered shape in the pull-back process, so that the threaded rod can be smoothly pulled back.
Description
Technical field
The present invention relates to pressurize transfer device, be specifically related to a kind of hydrate sediment pressurize and shift with sample bushing pipe claw and application process thereof.
Background technology
Gas hydrate in abyssal sediment (Clathrate Hydrate), are commonly called as " combustible ice ", are a kind of high-quality and efficient fuel, can be used as high-grade energy.His energy density is very high, calculates lm according to theory
3saturated natural gas hydrate can discharge 150～200m under reference conditions
3methane gas, be 10 times of other non-conventional gas source rocks (such as coal bed gas, black shale) energy density, 2～5 times of conventional gas energy density.
The formation of gas hydrate need to form under certain condition, requires to have the salinity, pH value of suitable temperature, pressure, gas saturation, water etc.The gas hydrate of land originate in permafrost horizon 200～2000m depths mostly.And at large midocean, gas hydrate are stabilized in 0～1000m degree of depth in sediment.
Due to gas hydrate stable existence special like this physics character under certain cryogenic high pressure condition, when exploitation rock core rises to the sea of normal temperature and pressure, whole or the most of decomposition of gas hydrate component meeting that wherein contain, out of reach original position exploration object.The existing deep sea sediment sampler of China can be got the samples such as sediment, water, gas and gas hydrate and carry out pressurize at deep-sea, but the domestic temporary equipment shifting without secondary gastight sampling, develop a set of pressurize transfer device docking with gastight sampling device, will promote the research and development of China's natural gas hydrate pressurize transfer.This achievement in research not only can be applied to hydrate project, can also effectively be generalized to other comprehensive oceanographic survey projects, is modern marine res field to important means higher, that more accurately survey, has very wide application and promotion prospect.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes deficiency of the prior art, provides a kind of hydrate sediment pressurize to shift with sample bushing pipe claw and application process thereof.
For technical solution problem, solution of the present invention is:
Provide a kind of hydrate sediment pressurize to shift with sample bushing pipe claw, comprise pushing cylinder, thread rod, nut sleeve, feed rotary head, special screw, push rod, slide bar, push rod rotating shaft, holding screw and needle exchange; Between described pushing cylinder and nut sleeve, for being threaded, feed between rotary head and thread rod as being threaded, and feed rotary head front end and be embedded between nut sleeve and pushing cylinder, can only rotate, can not carry out motion of translation; Described thread rod is nested in by pushing cylinder, nut sleeve and feeds brick and interconnects between the cylinder forming; Special screw is connected in the position-limited trough on thread rod by the tapped bore on pushing cylinder, for limiting seesawing of thread rod; Holding screw is by push rod and run through in the screw that is connected to push rod rotating shaft, push rod rotating shaft and push rod is fixed on to the front end of thread rod; Needle exchange is nested in the top of push rod, and slide bar is vertically connected to the top of push rod, and slide bar is nested in the cross recess of pushing cylinder front end, for limiting the sense of motion of push rod.
In the present invention, described special screw is GB/T70.1-2000M6*12 processing and manufacturing, for hexagon socket cap head screw, material is 316 corrosion-resistant steels, wherein bolt be divided into bottom and end two parts, bolt bottom internal diameter is less than bolt inner end diameter, and high for 4mm, the internal diameter bolt bottom that is 5mm is as the part of inserting position-limited trough; Bolt bottom and bolt bottom are 0.5 * 45 ° with the chamfering of junction, bolt end; Selecting the main of socket head cap screw is also to consider that it can apply larger screw-down torque, the advantage that Joint strenght is high.
In the present invention, described pushing cylinder, nut sleeve, the cross-sectional plane that feeds rotary head are annular arrangement, and the cross-sectional plane of described thread rod, special screw, needle exchange, slide bar, push rod rotating shaft is circle, and the cross-sectional plane of push rod is square.
In the present invention, described thread rod front end is connected with four well-distributed push rods.
The present invention also provides a kind of hydrate sediment pressurize based on described to shift the application process with sample bushing pipe claw, and described application process comprises the steps:
Step 1) process of advancing: described claw initial condition is that the related needle exchange of push rod is in contraction state, now special screw be positioned at thread rod position-limited trough by push rod one end, it is inner and become 60 ° of angles, slide bar to be positioned at cross recessed on pushing cylinder one end in the inner part with thread rod direction that push rod and needle exchange are positioned at pushing cylinder; When claw advances, feed that rotary head is not rotated and keep relative static with thread rod, claw is tried hard to recommend outside under moving and is progressed into sample bushing pipe;
Step 2) crawl process: in claw front end enters sample bushing pipe after half this sample bushing pipe internal diameter distance, start external motor drive and feed rotary head rotation, owing to feeding between rotary head and thread rod as being threaded, thereby drive the relative pushing cylinder of thread rod to travel forward; Because push rod one end is fixed on thread rod front end by push rod rotating shaft, the horizontal plug in slide bar of push rod front end is embedded in one end inside the cross recess of pushing cylinder, so slide bar will move to one end outside cross recess under the promotion of thread rod; Under the combined action of push rod rotating shaft and slide bar, make push rod and needle exchange be ejected the cross recess on pushing cylinder, needle exchange is headed in sample bushing pipe; When claw enters seized condition, feed rotary head in rotary course, special screw moves to claw afterbody in position-limited trough, until during position-limited trough end, stop the rotation and feed rotary head, now push rod is vertical with thread rod, needle exchange has been goed deep into sample bushing pipe;
Step 3) process of pulling back: this process with advance similar process, under external force, drive claw to pull back, because needle exchange vertically heads into sample hose, thereby drive sample hose to move.Now between each part of claw, keep relatively static, feed rotary head and do not rotate;
Step 4) dropout process: after claw drives sample hose to arrive assigned address (as the position of pressurize transfer bin), then under the rotation of external motor, reversion feeds rotary head, this process and crawl similar process.Now feeding under rotary head reversion effect, thread rod moves to claw afterbody relative to pushing cylinder, by the effect of push rod rotating shaft and slide bar, push rod is drawn to the cross recess inside of pushing cylinder, thereby the needle exchange at push rod top is pulled out to sample hose, reaches dropout object.Finally in external force, drag and lower claw is pulled out to sample hose, sample bushing pipe departs from claw.
Compared with prior art, the invention has the beneficial effects as follows:
Claw is designed to interior claw type formula and has taken into account the stability of claw and the space hold problem of claw, and interior pawl can embed sample bushing pipe very easily; By feeding rotary head, rotarily drive thread rod, promote push rod and act on built-in needle exchange by sample bushing pipe card jail; In the process of pulling back, claw top is arranged to inverted cone-shaped and can be met thread rod and pull back smooth and easy.In addition, sample bushing pipe is being grabbed and is being pulled to after pressurize transfer bin, by feeding rotary head, driving thread rod counter motion, can drive push rod to pull needle exchange, making claw structure depart from sample bushing pipe.
Accompanying drawing explanation
Fig. 1 is claw integral structure front elevation of the present invention;
Fig. 2 is claw structure lateral plan of the present invention;
Fig. 3 is that claw of the present invention enters the schematic diagram before sample bushing pipe;
Fig. 4 is that claw of the present invention enters the schematic diagram that sample bushing pipe captures;
Fig. 5 is special screw design drawing of the present invention;
Reference numeral: 1, pushing cylinder, 2, thread rod, 3, nut sleeve, 4, feed rotary head, 5, special screw, 6, push rod, 7, slide bar, 8, push rod rotating shaft, 9, holding screw, 10, needle exchange, 11, cross recess, 12, position-limited trough.
The specific embodiment
Following embodiment can make the technical personnel of this professional skill field more fully understand the present invention, but does not limit the present invention in any way.
As shown in Fig. 1～2, the invention provides a kind of hydrate sediment pressurize and shift the specific embodiment with sample bushing pipe claw, comprise pushing cylinder 1, thread rod 2, nut sleeve 3, feed rotary head 4, special screw 5, push rod 6, slide bar 7, push rod rotating shaft 8, mark closely screw 9 and needle exchange 10; Described claw is interior claw type formula, has solved space hold problem, has improved crawl success ratio.Because sample hose is plastic material, if take outer claw type formula, in capturing the process of sample hose, sample hose crimp even can be broken, severe jamming the original position feature of hydrate sediment of sampling.Just by interior claw type formula, the sample hose of holding from sample hose inside, can effectively reduce the interference to hydrate sediment, and can actv. reduces the volume of claw, again because claw moves between each cabin of pressurize transfer device, thereby reduce volume, the weight in each cabin.
Between pushing cylinder 1 and nut sleeve 3, for being threaded, feed between rotary head 4 and thread rod 2 as being threaded, and feed rotary head 4 front ends and be embedded between nut sleeve 3 and pushing cylinder 1, can only rotate, can not carry out motion of translation.2 of thread rods are arranged in pushing cylinder 1, nut sleeve 3, feed the common cylinder forming of brick.
Special screw 5, by the tapped bore on pushing cylinder 1, inserts in the position-limited trough 12 on thread rod 2, for limiting the scope that seesaws of thread rod 2.
Holding screw 9 screws in the screw of push rod 6 and push rod rotating shaft 8, by push rod rotating shaft 8 front end that be fixed on thread rod 2 relative to push rod 6.Needle exchange 10 is nested in the top of push rod 6, the top of the insertion push rod 6 that slide bar 7 is vertical, and slide bar 7 is embedded in the cross recess 11 of pushing cylinder 1 front end, for limiting the sense of motion of push rod 6.
Feeding rotary head 4 rotarily drives thread rod 2 and moves forwards or backwards, described special screw 5 is GB/T70.1-2000M6*12 processing and manufacturing, for hexagon socket cap head screw, wherein the bolt of special screw 5 is divided into bolt bottom and bolt end two parts, bolt bottom internal diameter is less than bolt inner end diameter, and high for 4mm, the internal diameter bolt bottom that is 5mm is as the part of inserting position-limited trough 12; Bolt bottom and bolt bottom are 0.5 * 45 ° with the chamfering of junction, bolt end, and specific design constructional drawing as shown in Figure 5.Selecting the main of socket head cap screw is also to consider that it can apply larger screw-down torque, the advantage that Joint strenght is high.
Special screw 5 is for limiting the range of movement of thread rod 2; Thread rod 2 ejects or retracts needle exchange 10 by push rod 6 structures, thereby reaches the object that captures sample bushing pipe or dropout.Position-limited trough 12 on described thread rod 2 has limited the range of movement of thread rod 2, has prevented that needle exchange 10 from coming off.
Described pushing cylinder 1, nut sleeve 3, the cross-sectional plane that feeds rotary head 4 are annular arrangement, and the cross-sectional plane of described thread rod 2, special screw 5, needle exchange 10, slide bar 7, push rod rotating shaft 8 is rounded, and the cross-sectional plane of push rod 6 is square.Described thread rod 2 front ends are connected with four well-distributed push rods 6, and it is initial point Central Symmetry that described four push rods 6 be take the axle center of thread rod 2.
The embodiment of the present invention also provides a kind of described hydrate sediment pressurize to shift the application process with sample bushing pipe claw, and described application process comprises the steps:
Step 1) process of advancing: described claw initial condition is that the related needle exchange 10 of push rod 6 is in contraction state, now special screw 5 be positioned at thread rod 2 position-limited troughs 12 by push rod 6 one end, push rod 6 and needle exchange 10 be positioned at pushing cylinder 1 inner and with thread rod 2 directions into about 60 degree acute angles, slide bar 7 is positioned at one end in the inner part of the cross recess 11 on pushing cylinder 1.When claw advances, feed that rotary head 4 is not rotated and keep relative static with thread rod 2, claw is tried hard to recommend outside under moving and is progressed into sample bushing pipe, and process as shown in Figure 3.
Step 2) crawl process: in claw front end enters sample bushing pipe after half this sample bushing pipe internal diameter distance, start external motor drive and feed rotary head 4 rotations, owing to feeding between rotary head 4 and thread rod 2 as being threaded, thereby drive the relative pushing cylinder 1 of thread rod 2 to travel forward.Because push rod 6 one end are fixed on thread rod 2 front ends by push rod rotating shaft 8, due to the horizontal plug in slide bar 7 of push rod 6 front end, be embedded in again cross recess 11 one end, inner side of pushing cylinder 1, so slide bar 7 will move to cross recess 11 one end, outside under the promotion at thread rod 2.Push rod rotating shaft 8 makes push rod 6 and needle exchange 10 be ejected the cross recess 11 on pushing cylinder 1 with the combined action of slide bar 7, and needle exchange 10 is headed in sample bushing pipe.
As shown in Figure 4, when claw enters seized condition, feed rotary head 4 in rotary course, special screw 5 moves to claw afterbody in position-limited trough 12, until during position-limited trough 12 end, stop the rotation and feed rotary head 4, now needle exchange 10 has been goed deep into sample bushing pipe, as shown in Figure 4, push rod 6 and thread rod 2 are in mutual plumbness; Wherein, external motor for for implementing supporting technology instrument of the present invention, is prior art, external motor with feed rotary head 4 and be connected, for driven rotary, feed rotary head 4, product type can be selected as required voluntarily.
Step 3) process of pulling back: this process with advance similar process, under external force, drive claw to pull back, because needle exchange 10 vertically heads into sample hose, thereby drive sample hose to move.Now between each part of claw, keep relatively static, feed rotary head 4 and do not rotate.
Step 4) dropout process: after claw drives sample hose to arrive assigned address (as the position of pressurize transfer bin), then under the rotation of external motor, reversion feeds rotary head 4, this process and crawl similar process.Now feeding under rotary head 4 reversion effects, thread rod 2 moves to claw afterbody relative to pushing cylinder 1, effect by push rod rotating shaft 8 and slide bar 7 is drawn push rod 6 to cross recess 11 inside of pushing cylinder 1, thereby the needle exchange 10 at push rod 6 tops is pulled out to sample hose, reaches dropout object.Finally in external force, drag and lower claw is pulled out to sample hose, sample bushing pipe departs from claw.
Wherein, pressurize transfer bin, for for implementing supporting technology instrument of the present invention, is prior art, for preserve hydrate sediment under hyperbaric environment.
Therefore, actual range of the present invention not only comprises the disclosed embodiments, is also included under claims and implements or to carry out all equivalents of the present invention.
Claims (5)
1. hydrate sediment pressurize is shifted with a sample bushing pipe claw, comprises pushing cylinder and thread rod, it is characterized in that, also comprises nut sleeve, feeds rotary head, special screw, push rod, slide bar, push rod rotating shaft, holding screw and needle exchange; Between described pushing cylinder and nut sleeve for being threaded, feed between rotary head and thread rod as being threaded, and feed rotary head front end and be embedded between nut sleeve and pushing cylinder, described thread rod is nested in by pushing cylinder, nut sleeve and feeds brick and interconnects between the cylinder forming; Special screw is connected in the position-limited trough on thread rod by the tapped bore on pushing cylinder, for limiting seesawing of thread rod; Holding screw is by push rod and run through in the screw that is connected to push rod rotating shaft, push rod rotating shaft and push rod is fixed on to the front end of thread rod; Needle exchange is nested in the top of push rod, and slide bar is vertically connected to the top of push rod, and slide bar is nested in the cross recess of pushing cylinder front end, for limiting the sense of motion of push rod.
2. according to the hydrate sediment pressurize described in claim 1, shift with sample bushing pipe claw, it is characterized in that, described special screw is hexagon socket cap head screw, wherein the bolt of special screw is divided into bolt bottom and bolt end two parts, bolt bottom internal diameter is less than bolt inner end diameter, and high for 4mm, the internal diameter bolt bottom that is 5mm is as the part of inserting position-limited trough; Bolt bottom and bolt bottom are 0.5 * 45 ° with the chamfering of junction, bolt end.
3. according to the hydrate sediment pressurize described in claim 1, shift with sample bushing pipe claw, it is characterized in that, described pushing cylinder, nut sleeve, the cross-sectional plane that feeds rotary head are annular arrangement, the cross-sectional plane of described thread rod, special screw, needle exchange, slide bar, push rod rotating shaft is circle, and the cross-sectional plane of push rod is square.
4. according to the hydrate sediment pressurize described in claim 1, shift with sample bushing pipe claw, it is characterized in that, described thread rod front end is connected with four well-distributed push rods.
5. the application process with sample bushing pipe claw is shifted in the hydrate sediment pressurize based on described in claim 1, it is characterized in that, described application process comprises the steps:
Step 1) process of advancing: described claw initial condition is that the related needle exchange of push rod is in contraction state, now special screw be positioned at thread rod position-limited trough by push rod one end, it is inner and become 60 ° of angles, slide bar to be positioned at cross recessed on pushing cylinder one end in the inner part with thread rod direction that push rod and needle exchange are positioned at pushing cylinder; When claw advances, feed that rotary head is not rotated and keep relative static with thread rod, claw is tried hard to recommend outside under moving and is progressed into sample bushing pipe;
Step 2) crawl process: in claw front end enters sample bushing pipe after half this sample bushing pipe internal diameter distance, start external motor drive and feed rotary head rotation, owing to feeding between rotary head and thread rod as being threaded, thereby drive the relative pushing cylinder of thread rod to travel forward; Because push rod one end is fixed on thread rod front end by push rod rotating shaft, the horizontal plug in slide bar of push rod front end is embedded in one end inside the cross recess of pushing cylinder, so slide bar will move to one end outside cross recess under the promotion of thread rod; Under the combined action of push rod rotating shaft and slide bar, make push rod and needle exchange be ejected the cross recess on pushing cylinder, needle exchange is headed in sample bushing pipe; When claw enters seized condition, feed rotary head in rotary course, special screw moves to claw afterbody in position-limited trough, until during position-limited trough end, stop the rotation and feed rotary head, now push rod is vertical with thread rod, needle exchange has been goed deep into sample bushing pipe;
Step 3) process of pulling back: under external force drives, drive claw to pull back, because needle exchange vertically heads into sample bushing pipe, thereby drive sample bushing pipe to move, now keep relatively static in claw between each part, feed rotary head and do not rotate;
Step 4) dropout process: arrive after assigned address when claw drives sample bushing pipe, under the rotation of external motor, reversion feeds rotary head, now feeding under rotary head reversion effect, thread rod moves to claw afterbody relative to pushing cylinder, effect by push rod rotating shaft and slide bar is drawn push rod to the cross recess inside of pushing cylinder, thereby the needle exchange at push rod top is pulled out to sample bushing pipe, reach dropout object; Finally in external force, drag and lower claw is pulled out to sample bushing pipe, sample bushing pipe departs from claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367293.7A CN104192693B (en) | 2014-07-30 | 2014-07-30 | A kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410367293.7A CN104192693B (en) | 2014-07-30 | 2014-07-30 | A kind of hydrate sediment pressurize transfer sample bushing pipe claw and application process thereof |
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| CN104192693A true CN104192693A (en) | 2014-12-10 |
| CN104192693B CN104192693B (en) | 2016-06-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979578A (en) * | 2018-08-20 | 2018-12-11 | 浙江大学 | The long stroke push of pressure maintaining basket and rotating device in a kind of pressure maintaining transfer system |
| CN111535768A (en) * | 2020-05-12 | 2020-08-14 | 中国地质大学（武汉） | Core liner capturing device for natural gas hydrate under-pressure transfer system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999015875A1 (en) * | 1997-09-25 | 1999-04-01 | Macquarie Research Ltd. | Apparatus for removing a sample from an array of samples and a cutting tool for use with that apparatus |
| DE10011235C2 (en) * | 2000-03-08 | 2002-08-08 | Max Planck Gesellschaft | Stitching device for sample taking and method for taking a sample |
| CN2591609Y (en) * | 2002-12-12 | 2003-12-10 | 浙江大学 | Non-boundary disturbance abysmal sediment pressurizing sampling apparatus |
| CN2689213Y (en) * | 2004-04-09 | 2005-03-30 | 赵祖昌 | Micro-sampler |
| CN1616944A (en) * | 2004-12-01 | 2005-05-18 | 浙江大学 | Fidelity sampling integrated deep sea sediment sampler |
| WO2005124310A1 (en) * | 2004-06-18 | 2005-12-29 | Bio-Nobile Oy | Method and device for taking and dispensing a sample |
| CN1786680A (en) * | 2004-12-09 | 2006-06-14 | 中南大学 | Concentration fidility sampler for deep sea suspended granule and suspended bios |
-
2014
- 2014-07-30 CN CN201410367293.7A patent/CN104192693B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999015875A1 (en) * | 1997-09-25 | 1999-04-01 | Macquarie Research Ltd. | Apparatus for removing a sample from an array of samples and a cutting tool for use with that apparatus |
| DE10011235C2 (en) * | 2000-03-08 | 2002-08-08 | Max Planck Gesellschaft | Stitching device for sample taking and method for taking a sample |
| CN2591609Y (en) * | 2002-12-12 | 2003-12-10 | 浙江大学 | Non-boundary disturbance abysmal sediment pressurizing sampling apparatus |
| CN2689213Y (en) * | 2004-04-09 | 2005-03-30 | 赵祖昌 | Micro-sampler |
| WO2005124310A1 (en) * | 2004-06-18 | 2005-12-29 | Bio-Nobile Oy | Method and device for taking and dispensing a sample |
| CN1616944A (en) * | 2004-12-01 | 2005-05-18 | 浙江大学 | Fidelity sampling integrated deep sea sediment sampler |
| CN1786680A (en) * | 2004-12-09 | 2006-06-14 | 中南大学 | Concentration fidility sampler for deep sea suspended granule and suspended bios |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979578A (en) * | 2018-08-20 | 2018-12-11 | 浙江大学 | The long stroke push of pressure maintaining basket and rotating device in a kind of pressure maintaining transfer system |
| CN111535768A (en) * | 2020-05-12 | 2020-08-14 | 中国地质大学（武汉） | Core liner capturing device for natural gas hydrate under-pressure transfer system |
| CN111535768B (en) * | 2020-05-12 | 2021-03-30 | 中国地质大学（武汉） | Core liner capturing device for natural gas hydrate under-pressure transfer system |
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| CN104192693B (en) | 2016-06-22 |
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