CN206132760U - Experimental apparatus is invaded to simulation gas hydrate well drilling gas - Google Patents
Experimental apparatus is invaded to simulation gas hydrate well drilling gas Download PDFInfo
- Publication number
- CN206132760U CN206132760U CN201621154787.8U CN201621154787U CN206132760U CN 206132760 U CN206132760 U CN 206132760U CN 201621154787 U CN201621154787 U CN 201621154787U CN 206132760 U CN206132760 U CN 206132760U
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- CN
- China
- Prior art keywords
- gas
- simulation
- inner tube
- outer tube
- sand
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a gas hydrate well drilling technical field's an experimental apparatus is invaded to simulation gas hydrate well drilling gas, it mainly comprises motor, outer coupling, outer tube, inner tube, drill bit, gas flowmeter, fan, three -phase separator, gas outlet, a baffle, feed hopper, sand basin, hopper, fluidflowmeter and water pump. The fan links to each other with gas flowmeter, the hopper links to each other with fluidflowmeter and water pump, the motor links to each other with inner tube and drill bit, the sleeve pipe of outer tube simulation under true operating mode, the drilling rod under the true operating mode is simulated to the inner tube, the tubular product of outer tube is ya keli glass, and the tubular product of inner tube is the carbon steel no. 45. What put in the sand basin is sand and nylon, and both diameters all are 0.004 meter, and the gas hydrate solid under the true operating mode is simulated to nylon. The utility model discloses use and dismantle simply, can alternate inner tube and outer tube size according to the operating condition at scene to obtain good simulation effect.
Description
Technical field
This utility model is related to a kind of simulation gas hydrates drilling well gas cut in gas hydrates drilling technology field
Experimental provision.
Background technology
Gas hydrates are the outward appearances formed under the conditions of cryogenic high pressure as the ice but crystal structure cage different from ice
Type compound.It is permafrost layer strip and deep-sea where at present gas hydrates in the world are primarily present；For day
So exploitation of gas hydrate all launched many researchs both at home and abroad.In gas hydrates drilling process, due to natural gas
Hydrate can in a large number decomposite substantial amounts of gas in straight well section with the change of pressure and temperature, and to pit shaft gas cut is produced.
Gas cut is one of subject matter of an impact drillng operation, and what is especially produced in gas hydrates drilling process is a large amount of
Methane gas brings very big impact to drillng operation；For the gas cut problem in gas hydrates drilling process and should adopt
Take which measure is necessary to carry out experimentation.Accordingly, it would be desirable to a kind of simulation gas hydrates drilling well gas cut experimental provision comes
There is the mechanism and countermeasuress of gas cut in researching natural gas hydrate drilling process.
The content of the invention
This utility model purpose is：There is provided a kind of simulation gas hydrates drilling well gas cut experimental provision.
The technical scheme that this utility model is adopted is：
A kind of simulation gas hydrates drilling well gas cut experimental provision of this utility model, mainly by motor, outer tube joint, outer
Pipe, inner tube, drill bit, gas flowmeter, blower fan, three phase separator, gas outlet, packing plate, charging hopper, sand basin, water storage
Groove, fluid flowmeter and water pump composition.Blower fan is connected with gas flowmeter；Hopper is connected with fluid flowmeter and water pump；Electricity
Machine is connected with inner tube and drill bit；Outer tube simulates the sleeve pipe under real working condition, the drilling rod under inner tube simulation real working condition；Outer tube
Tubing is acrylic glass, and the tubing of inner tube is No. 45 carbon steels.Packing plate is one block of steel plate, and the part that contacts with outer tube is welded,
The other end is not welded, for packing plate upper and lower to be separated；What is put in sand basin is sand and nylon, and both diameters are all
For 0.004 meter, nylon simulates the gas hydrates solid under real working condition.
Advantage of the present utility model：Dismounting it is simple, easy to use, economize on resources, can well simulate gas hydrates
The gas cut produced in drilling process.
Description of the drawings
Fig. 1 is a kind of structural representation of simulation gas hydrates drilling well gas cut experimental provision of this utility model.
In figure：1. motor, 2. outer tube joint, 3. outer tube, 4. inner tube, 5. drill bit, 6. gas flowmeter, 7. blower fan, 8. three
Phase separator, 9. gas outlet 10. insulates plate, 11. charging hoppers, 12. sand basins, 13. hoppers, 14. fluid flowmeters,
15. water pumps.
Specific embodiment
This utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of simulation gas hydrates drilling well gas cut experimental provision of this utility model, mainly by motor 1,
Outer tube joint 2, outer tube 3, inner tube 4, drill bit 5, gas flowmeter 6, blower fan 7, three phase separator 8, gas outlet 9, packing plate 10,
Charging hopper 11, sand basin 12, hopper 13, fluid flowmeter 14 and water pump 15 are constituted.Blower fan 7 is connected with gas flowmeter 6；
Hopper 13 is connected with fluid flowmeter 14 and water pump 15；Motor 1 is connected with inner tube 4 and drill bit 5.
As shown in figure 1, specific simulation process is：Motor 1 is first turned on, makes motor 1 drive inner tube 4 and drill bit 5 to carry out
Rotate；Open blower fan 7 to bypass air through after gas flowmeter 6 is measured into inside outer tube 3, while opening hopper 13 water is led to
Cross the sand and nylon flowed out with sand basin 12 while pressurizeed by water pump 15 after fluid flowmeter 14 is measured to be mixed into outer
Inside pipe 3.Now gas, water, sand and nylon are all internally formed mixture into outer tube 3, and motor drives inner tube 4 to be rotated to
Simulation gas hydrates drilling process, by changing the discharge capacity of blower fan 7 and water pump 15 come gas cut under simulated field actual condition
The size of amount；The mixture solid that gas, water, sand and nylon are formed enters three-phase separate after flowing out from the port of export on the right side of outer tube 3
Gas-liquid-solid three-phase separation is carried out from device 8, gas flows out from gas outlet 9, the sand isolated and nylon flow into sand basin 12 and carries out
Recycle, the water isolated flows into hopper 13 and recycled, i.e., simulation process terminates.
Claims (4)
1. a kind of simulation gas hydrates drilling well gas cut experimental provision, mainly by motor (1), outer tube joint (2), outer tube (3),
Inner tube (4), drill bit (5), gas flowmeter (6), blower fan (7), three phase separator (8), gas outlet (9), packing plate (10), plus
Funnel (11), sand basin (12), hopper (13), fluid flowmeter (14) and water pump (15) composition, it is characterised in that：Blower fan
(7) it is connected with gas flowmeter (6)；Hopper (13) is connected with fluid flowmeter (14) and water pump (15)；Motor (1) and inner tube
(4) it is connected with drill bit (5).
2. one kind according to claim 1 simulates gas hydrates drilling well gas cut experimental provision, it is characterised in that：Packing
Plate (10) is one block of steel plate, and the part that contacts with outer tube (3) is welded, and the other end is not welded, for will packing plate (10) top and
Separate bottom.
3. one kind according to claim 1 simulates gas hydrates drilling well gas cut experimental provision, it is characterised in that：Outer tube
(3) sleeve pipe of the simulation under real working condition, the drilling rod under inner tube (4) simulation real working condition；The tubing of outer tube (3) is acrylic glass
Glass, the tubing of inner tube (4) is No. 45 carbon steels.
4. one kind according to claim 1 simulates gas hydrates drilling well gas cut experimental provision, it is characterised in that：Sand is store
What is put in tank (12) is sand and nylon, and both diameters are all 0.004 meter, and the gas hydrates under nylon simulation real working condition are consolidated
Body, uses air simulation methane gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154787.8U CN206132760U (en) | 2016-10-31 | 2016-10-31 | Experimental apparatus is invaded to simulation gas hydrate well drilling gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154787.8U CN206132760U (en) | 2016-10-31 | 2016-10-31 | Experimental apparatus is invaded to simulation gas hydrate well drilling gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132760U true CN206132760U (en) | 2017-04-26 |
Family
ID=58576453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621154787.8U Expired - Fee Related CN206132760U (en) | 2016-10-31 | 2016-10-31 | Experimental apparatus is invaded to simulation gas hydrate well drilling gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132760U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387072A (en) * | 2017-07-20 | 2017-11-24 | 中国石油化工股份有限公司 | A kind of HTHP gas-liquid replaces lab simulation evaluating apparatus |
| CN107780888A (en) * | 2017-11-30 | 2018-03-09 | 青岛海洋地质研究所 | Gas hydrates pilot production analogue means and method |
| CN111272952A (en) * | 2020-02-24 | 2020-06-12 | 中国地质大学（北京） | Experimental device for gas velocity of dissolving in oil base drilling fluid when survey well drilling gas is invaded |
-
2016
- 2016-10-31 CN CN201621154787.8U patent/CN206132760U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387072A (en) * | 2017-07-20 | 2017-11-24 | 中国石油化工股份有限公司 | A kind of HTHP gas-liquid replaces lab simulation evaluating apparatus |
| CN107780888A (en) * | 2017-11-30 | 2018-03-09 | 青岛海洋地质研究所 | Gas hydrates pilot production analogue means and method |
| CN107780888B (en) * | 2017-11-30 | 2023-08-15 | 青岛海洋地质研究所 | Natural gas hydrate test production simulation device and method |
| CN111272952A (en) * | 2020-02-24 | 2020-06-12 | 中国地质大学（北京） | Experimental device for gas velocity of dissolving in oil base drilling fluid when survey well drilling gas is invaded |
| CN111272952B (en) * | 2020-02-24 | 2021-07-13 | 中国地质大学（北京） | Experimental device for gas velocity of dissolving in oil base drilling fluid when survey well drilling gas is invaded |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20171031 |