CN203203845U - Gas collection tank for core gas of natural gas hydrate drilling site - Google Patents
Gas collection tank for core gas of natural gas hydrate drilling site Download PDFInfo
- Publication number
- CN203203845U CN203203845U CN 201320218731 CN201320218731U CN203203845U CN 203203845 U CN203203845 U CN 203203845U CN 201320218731 CN201320218731 CN 201320218731 CN 201320218731 U CN201320218731 U CN 201320218731U CN 203203845 U CN203203845 U CN 203203845U
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- gas
- tank body
- gas collection
- cap
- air collector
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Abstract
The utility model provides a gas collection tank for the core gas of a natural gas hydrate drilling gate, which comprises a tank body and a tank body cover, wherein the tank body is of a cylindrical structure with an open upper end and a closed lower end; and the tank body cover is a detachable gas collection and guide device sleeved at the open end of the tank body and forms sliding sealing connection with the tank body through a sealing ring. The gas collection tank provided by the utility model is very convenient to operate; the whole process from encapsulation of hydrate core sample, gas release to gas collection is finished once; and a series of middle processes are simplified, and the gas collection efficiency is greatly improved.
Description
The utility model relates to the gas collecting field, relates to more specifically the air collector of the on-the-spot rock core gas of a kind of Gas Hydrate Drilling.
Background technology
Gas hydrate are a kind of high density (1 m
3Can discharge 164 m
3Methane) clean energy resource, be 2 times of the conventional energy resources resource summations such as global coal, oil, rock gas, caused showing great attention to of global many countries.In the drilling process, rock core discharges the size of gas flow, is that one of key parameter whether hydrate exists is judged at the scene fast.Therefore, the on-the-spot fast air collector of hydrate drilling well rock core is the important foundation equipment of the collection of probing gas on-site, measurement and then quick recognition hydrate.
Through literature search, at present domestic and international gas hydrate drilling well rock core gas collection method mainly contains the static headspace gas method and leaves standstill degassing method.1, static headspace gas method, concrete operations are: core sample is weighed and pack into and be furnished with in the metal can of dottle pin, add water and make between metal can and the sample and be full of water, certain locus is left on top, adds germifuge in the water, then sample and water-stop are got up, be inverted refrigeration and transportation, deliver to the laboratory after, the sample temperature of refrigeration is returned to 20 ℃, then again 5 minutes high speed machine of row vibration is got a certain amount of container top space gas and is carried out hydrocarbon composition and isotope analysis.2, leave standstill drainage, concrete operations are: select the higher and macroscopic hydrate core sample of content, it is immersed under water, the gas that decomposition of hydrate discharges, with the displacement water law with the gas collection that discharges in the glass container of available bottle stopper sealing, or temporarily be collected in the plastic injector, then import in the special-purpose vial and seal up for safekeeping.
All there are the shortcomings such as complex structure, operation inconvenience, sealing be unstable in used rock core gas collection tank in above-mentioned two kinds of methods, cause to rock core gas the gas process of getting complexity, inefficiency, to get the makings amount relatively poor.
Summary of the invention
The utility model is for overcoming above-mentioned deficiency of the prior art, the advantage that the air collector that provides a cover to can be used in hydrocarbon gas quick collection in the on-the-spot rock core of Gas Hydrate Drilling, this air collector possess that material is good, easy and simple to handle, high efficiency and collection gaseous sample quality are good etc.
Concrete technical scheme of the present utility model is as follows:
The air collector of the on-the-spot rock core gas of a kind of Gas Hydrate Drilling, comprise tank body 1-1 and Cap for tin body 1-2, described tank body 1-1 is the core structure of upper end open, lower end closed, described Cap for tin body 1-2 is detachable gas collection and the gas operated device that is sleeved on tank body 1-1 openend, and is connected by O-ring seal 1-4 and tank body 1-1 formation sliding sealing.
Further according to air collector described in the utility model, the openend outer wall of wherein said tank body 1-1 is provided with O-ring seal draw-in groove 1-3 circumferential more than two, is embedded with described O-ring seal 1-4 at each O-ring seal draw-in groove 1-3.
Further according to air collector described in the utility model, wherein said Cap for tin body 1-2 bottom is that cylindric, middle part is that round table-like, top is circular tube shaped, Cap for tin body 1-2 bottom cylinder inner wall slightly larger in diameter is in tank body 1-1 openend outer diameter, Cap for tin body 1-2 middle part round platform inner wall smooth, Cap for tin body 1-2 top pipe is connected in outside gas bottle as the gas collection conduit 1-8 of air collector.
Further according to air collector described in the utility model, wherein be provided with gas collection catheter switch 1-5 in described gas collection conduit 1-8 bottom, gas collection conduit outer wall above described gas collection catheter switch 1-5 is provided with three with bracket 1-6, is used for the outside gas bottle that the button card is collected gas.
Further according to air collector described in the utility model, wherein the sidepiece at described carriage 1-6 is provided with fixed screw 1-7.
At least can reach following technique effect by air collector described in the utility model:
1, material is good
(1) the 1 used material of the air collector in the device described in the utility model is stainless steel, and inside surface is smooth, and is both wear-resistant durable, anticorrosive again, can also avoid rock core to discharge the pollution of gas.
2, easy and simple to handle
(1) air collector described in the utility model is before getting gas with air collector 1, sample is put into, capping makes things convenient for, after the hydrate core sample of gas to be collected directly put into air collector tank body 1-1, Cap for tin body 1-2 is enclosed within the tank body openend to be pressed gently and gets final product capping, easy to operate, fill up the blank that this area there is no such device, also overcome the deficiency of near field similar device complicated operation;
(2) the gas collection process of device described in the utility model is simple and convenient.After sample is put into air collector tank body 1-1 and is used Cap for tin body 1-2 capping, under water gas bottle is inverted and is enclosed within on the gas collection conduit 1-8, namely begun to get gas after fixing, after getting depressed bundle, under water gas bottle is tightened sealing and can be sent to the field experiment chamber and directly test or put into cold compartment of refrigerator and deposit, easy to operate.Avoided penetrating air collector with syringe and extracted, the complicated processes of the special-purpose gas bottle that reinjects has also been avoided sneaking into of transposition process Air, has improved the quality that gathers gaseous sample.
3, high efficiency
(1) air collector 1 in the device described in the utility model pack into, during the capping core sample, simple to operate easily, intermediate link is few, has improved the packaging efficiency of gas production sample;
(2) sample in the air collector 1 in the device described in the utility model is when discharging gas, and special-purpose gas bottle has namely begun water pumping gas production, degassed with get gas and carry out simultaneously, overcome and existingly got the serial pilot process such as gas, transposition, improved and got gas efficient;
(3) innovation structure of air collector is conducive to accelerate the speed that hydrate core sample in the air collector 1 discharges gas in the device described in the utility model, the gas collection that also can promote to adsorb on air collector 1 inwall has guaranteed that to gas collection conduit 1-8 gas collection fully and completely;
(4) device described in the utility model is from packaged water compound core sample, release gas to gas collecting, and whole process is once finished, and has simplified a series of pilot process, has greatly improved gas collecting efficient.
Description of drawings
Fig. 1 is the air collector structural representation of the on-the-spot rock core gas of Gas Hydrate Drilling described in the utility model;
The implication of each Reference numeral is as follows among the figure:
1 for air collector: 1-1 be that tank body, 1-2 are that Cap for tin body, 1-3 are that O-ring seal draw-in groove, 1-4 are that O-ring seal, 1-5 gas collection catheter switch, 1-6 are that carriage, 1-7 are that fixed screw, 1-8 are the gas collection conduit.
Embodiment
Below in conjunction with accompanying drawing the on-the-spot rock core gas collection of Gas Hydrate Drilling described in the utility model tank is described in detail; so that those skilled in the art can clearer understanding scheme of the present utility model, but therefore do not limit protection domain of the present utility model.
As shown in Figure 1, the air collector of hydrocarbon gas comprises tank body 1-1 and Cap for tin body 1-2 in the on-the-spot rock core of Gas Hydrate Drilling described in the utility model.
Described tank body 1-1 is the core structure of upper end open, lower end closed, and openend is used for putting into core sample and injects saturated brine; The openend outer wall is provided with more than two, be preferably three circumferential O-ring seal draw-in groove 1-3, in each described O-ring seal draw-in groove 1-3, be fixed with O-ring seal 1-4, described O-ring seal 1-4 preferably adopts rubber seal, and is fixed in the described O-ring seal draw-in groove 1-3 with embedded mode.
Described Cap for tin body 1-2 is detachable gas collection and the gas operated device that is sleeved on tank body 1-1 openend, enters special-purpose gas bottle for the gas that compiles the release of hydrate rock core; Cap for tin body 1-2 forms being tightly connected of sliding by O-ring seal 1-4 and the tank body 1-1 of rubber, in case gas leaks outside from the junction, concrete described Cap for tin body 1-2 bottom is cylindric, the middle part is round table-like, top is circular tube shaped, Cap for tin body 1-2 bottom cylinder inner wall slightly larger in diameter is in tank body 1-1 openend outer diameter, guarantee that Cap for tin body 1-2 can easily be enclosed within on the tank body 1-1, and to the formation of the O-ring seal on tank body crush seal, Cap for tin body 1-2 middle part is round table-like, be beneficial to gas collection and enter top gas collection conduit 1-8, this part inwall requires smooth, to reduce the gas flow of sorption on inwall, Cap for tin body 1-2 top pipe is directly as gas collection conduit 1-8, this gas collection conduit 1-8 is connected in the outside gas bottle of collecting gas, be used for tank body 1-1 is discharged, the gas that compiles among the Cap for tin body 1-2 all imports the gas bottle of collecting gas, be provided with gas collection catheter switch 1-5 in described gas collection conduit 1-8 bottom, being used for the interior gas of control air collector passes through through the gas collection conduit, gas collection conduit outer wall above described gas collection catheter switch is provided with three with bracket 1-6, be used for the button card and collect the special-purpose gas bottle of gas, the position of described carriage 1-6 should be stretched into the gas bottle bottleneck and is advisable to satisfy gas collection conduit 1-8, simultaneously be provided with fixed screw 1-7 at described carriage sidepiece, be used for the fixing gas bottle that is connected with gas collection conduit 1-8, avoid floating in the gas collection process of gas bottle, crooked, described gas collection conduit 1-8 stretches between gas bottle inside and its outer wall and gas bottle bottleneck inwall and leaves the gap.
The air collector of the on-the-spot rock core gas of Gas Hydrate Drilling described in the utility model preferably works in water bath with thermostatic control environment, the especially saturated brine in practice, and concrete operation using method is:
At first prepare to fill the constant temperature water bath case of constant temperature saturated brine, and check whether rubber seal 1-4 all has been contained in the O-ring seal draw-in groove 1-3 of tank body;
Then enter and get the gas stage: will drill the core sample that takes out and put into rapidly the bucket that clear water is housed and wash drilling fluid and surface irregularities, then sample is put into the stainless steel tank body 1-1 of air collector, the tank body 1-1 that sample is housed is positioned in the saturated brine of constant temperature water bath case, allow and be full of saturated brine in the tank body 1-1, the purpose of this operation is the air of getting rid of in the tank body 1-1, also be immersed in the saturated brine fully the Cap for tin body 1-2 of air collector, fully discharge inner air, then under water Cap for tin body 1-2 is buckled on tank body 1-1.The O-ring seal 1-4 of the quality of rubber materials that carry above by tank body this moment can fully guarantee Cap for tin body 1-2 and tank body 1-1 closed butt joint, and the unlikely gas that discharges that allows overflows from junction surface between the two.Then select the gas bottle of suitable size to put into saturated brine, it is full of saturated brine, discharge air, and on the gas collection conduit 1-8 that below the saturated brine water surface gas bottle is buckled on Cap for tin body 1-2, and place on the gas bottle carriage 1-6, tighten fixed screw 1-7, guarantee that gas bottle can not drift about or topple over, and begins to get gas.
Can realize core sample in it is discharged like this sealing extraction of gas by air collector described in the utility model, and no matter be that sample is put into, sealed, or the concrete gas process of getting, all very convenient to the collection of extracting gas, filled up the blank that this area there is no such device, also overcome the deficiency of near field similar device complicated operation, greatly improved gas collecting efficient.
Below only be that preferred implementation of the present utility model is described; the technical solution of the utility model is not limited to this; the any known distortion that those skilled in the art do on the basis of major technique of the present utility model design all belongs to the claimed technology category of the utility model, and the concrete protection domain of the utility model is as the criterion with the record of claims.
Claims (5)
1. the air collector of the on-the-spot rock core gas of a Gas Hydrate Drilling, it is characterized in that, comprise tank body (1-1) and Cap for tin body (1-2), described tank body (1-1) is the core structure of upper end open, lower end closed, described Cap for tin body (1-2) is detachable gas collection and the gas operated device that is sleeved on tank body (1-1) openend, and is connected by O-ring seal (1-4) and tank body (1-1) formation sliding sealing.
2. air collector according to claim 1 is characterized in that, the openend outer wall of wherein said tank body (1-1) is provided with O-ring seal draw-in groove (1-3) circumferential more than two, is embedded with described O-ring seal (1-4) at each O-ring seal draw-in groove (1-3).
3. air collector according to claim 2, it is characterized in that, wherein said Cap for tin body (1-2) bottom is that cylindric, middle part is that round table-like, top is circular tube shaped, Cap for tin body (1-2) bottom cylinder inner wall slightly larger in diameter is in tank body (1-1) openend outer diameter, Cap for tin body (1-2) middle part round platform inner wall smooth, Cap for tin body (1-2) top pipe is connected in outside gas bottle as the gas collection conduit (1-8) of air collector.
4. air collector according to claim 3, it is characterized in that, be provided with gas collection catheter switch (1-5) in described gas collection conduit (1-8) bottom, gas collection conduit outer wall in described gas collection catheter switch (1-5) top is provided with three with bracket (1-6), is used for the outside gas bottle that the button card is collected gas.
5. air collector according to claim 4 is characterized in that, is provided with fixed screw (1-7) at the sidepiece of described carriage (1-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218731 CN203203845U (en) | 2013-04-26 | 2013-04-26 | Gas collection tank for core gas of natural gas hydrate drilling site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218731 CN203203845U (en) | 2013-04-26 | 2013-04-26 | Gas collection tank for core gas of natural gas hydrate drilling site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203845U true CN203203845U (en) | 2013-09-18 |
Family
ID=49147944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320218731 Expired - Fee Related CN203203845U (en) | 2013-04-26 | 2013-04-26 | Gas collection tank for core gas of natural gas hydrate drilling site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529469A (en) * | 2019-01-07 | 2019-03-29 | 江苏鱼跃医疗设备股份有限公司 | A kind of storage tank arrangement and the nitrogen oxygen segregation apparatus using it |
-
2013
- 2013-04-26 CN CN 201320218731 patent/CN203203845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529469A (en) * | 2019-01-07 | 2019-03-29 | 江苏鱼跃医疗设备股份有限公司 | A kind of storage tank arrangement and the nitrogen oxygen segregation apparatus using it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20160426 |