CN107620594A - The temperature-time of hydrate collection develops expression, device and user terminal - Google Patents
The temperature-time of hydrate collection develops expression, device and user terminal Download PDFInfo
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Abstract
Developing expression, device and user terminal, method the invention provides the temperature-time of hydrate collection includes：Step 1, the temperature data for extracting, using the time as X-axis, using depth as Y-axis, two-dimentional Kriging regression operation is carried out, and a thermoisopleth is drawn as condition drafting thermoisopleth to be often separated by 1 degree Celsius, so as to form the first 3-D view, wherein, every 1 degree Celsius is represented in different colors.The trend the advantage of the invention is that realization display hydrate reservoir different depth point directly perceived changes with time.
Description
Technical field
The present invention relates to the data analysis field of hydrate collection.
Background technology
Gas hydrates are the solidifications formed by water and gas molecule (mainly methane) under the conditions of high pressure low temperature
Compound, have in ocean aktian deposit thing and tundra widely distributed.Natural gas hydration in halmeic deposit and tundra
Thing resource reserve is huge, it is considered to be following important energy source.Gas hydrates are found that in multiple marine sites at present, such as
Black Sea, the Gulf of Mexico, Gulf of Guinea, Pakistani Lu Po, the sea of Japan and South China Sea etc..Hydrate investigation, develop and utilize
Strategic height is risen to by multiple countries.India, South Korea, China and Japan are hydrated by probing to ocean natural gas
Thing has carried out detailed investigation and evaluation.
China pays much attention to gas hydrate study and investigation, is found from first Chinese in 1999 in South Sea Xisha marine site
Since indicating geophysical indicator (BSR) existing for gas hydrates, Guangzhou Marine Geological Survey Bureau carries out in South China Sea
A large amount of geophysicses, geochemistry and geologic survey flight number, obtain data largely related to hydrate, in great mass of data
Data support under, China in 2017 successfully realized hydrate pilot production.
As shown in Fig. 1, the stability of hydrate by temperature and pressure co- controlling, in water body, ocean temperature with
Depth increases and reduced；In deposit, temperature increases and raised with depth.Because the density ratio water of hydrate is small, therefore its
Can not exist in water body, can be only present in hydrate.Therefore hydrate preservation area is located at seabed to phase equilibrium line and ground
Between the crosspoint of warm gradient.The formation and decomposition of hydrate are a dynamic thermodynamic processes, and the formation of hydrate can be released
Thermal discharge, cause the rise of temperature；The decomposition of hydrate can absorb heat, cause the reduction of temperature, and the change of temperature is anti-
Come over to influence the stability of hydrate, thus it is most important to the temperature monitoring of hydrate reservoir during hydrate pilot production.
As shown in Fig. 2 what is provided is an easy lateral section simple view of hydrate pilot production well.Wherein the borehole wall is heavy
Product thing wall, the gas and water formed after the decomposition of hydrate in deposit sequentially pass through sleeve pipe, screen casing, oil pipe, existed by oil pipe
It is delivered up in the presence of buoyancy and pressure difference.The decomposition and formation of hydrate, the compression of gas and expansion can all produce to temperature
Influence, dotted line represents distributed temperature sensor in Fig. 2, there is a sensor every 1 meter, and sensor every five seconds for example clock records once
Temperature data, by the monitoring to temperature, situation is decomposed in the formation that on the one hand can analyze hydrate, on the other hand can basis
Temperature-pressure Conditions judge that the stability of hydrate the pilot production decision-making to hydrate plays the role of important.In addition in reservoir
Interior placement direct-reading pressure sensor P1 monitors the point pressure.
At present, mass data caused by distributed temperature sensor can only be by some time point each temperature sensor
Value carries out two dimension into figure, i.e., using depth as Y-axis, using temperature as X-axis, using this pictorial representation to thousands of bar temperature curves
Judge that the situation of change of temperature is extremely difficult.
The tradition expression pictorial representation of distributed temperature sensor data is two dimension view, i.e., using depth as Y-axis, with temperature
Make temperature profile for X-axis.As shown in figure 3, only 6 temperature curves have been difficult to be analyzed, because sample frequency is 5
Second/, therefore daily caused by temperature curve be 60 × 60 × 24/5, i.e., 17280, so utilizing this view analysis temperature
Change with time and depth is extremely difficult.
The content of the invention
For overcome the deficiencies in the prior art, an object of the present invention be to provide a kind of temperature of hydrate collection-
Time-evolution expression, realize that display hydrate reservoir different depth point directly perceived changes with time trend.
The second object of the present invention is that providing a kind of Temperature-time of hydrate collection develops expression device, realizes straight
See and show that hydrate reservoir different depth point changes with time trend.
The third object of the present invention is to provide a kind of user terminal, realizes and intuitively show hydrate reservoir different depth point
Change with time trend.
One of to achieve the above object, the technical solution adopted in the present invention is as follows：
A kind of Temperature-time of hydrate collection develops expression, comprises the following steps：
Step 1, the temperature data for extracting, using the time as X-axis, using depth as Y-axis, two-dimensional interpolation operation is carried out,
And a thermoisopleth is drawn as condition drafting thermoisopleth to be often separated by N degrees Celsius, so as to form the first 3-D view, wherein, with
Different colours are represented per N degrees Celsius；Wherein, N ＞ 0.Preferably, it is further comprising the steps of：
Step 2, using the time as X-axis, using depth as Y-axis, respectively by (T, the P1+ Δ of each point in the first 3-D view
P) substitute into phase equilibrium line to be judged, by the point labeled as black if being within hydrate stable region if the judged result that certain is put
Color, the point is labeled as grey if being not within hydrate stable region if the judged result that certain is put, it is three-dimensional so as to form second
View；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=
(Di-D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
Preferably, it is further comprising the steps of before step 1：
Step 0, extraction in an every 5 minutes serial data, the serial data include the temperature data collected in this 5 minutes,
The frequency acquisition of the temperature data is 5 seconds.
To achieve the above object two, the technical solution adopted in the present invention is as follows：
A kind of Temperature-time of hydrate collection develops expression device, including with lower module：
First 3-D view generation module, for the temperature data for extracting, using the time as X-axis, using depth as Y
Axle, two-dimensional interpolation operation is carried out, and a thermoisopleth is drawn as condition drafting thermoisopleth to be often separated by N degrees Celsius, so as to be formed
First 3-D view, wherein, represent in different colors per N degrees Celsius；Wherein, N ＞ 0.
Preferably, in addition to lower module：
Second 3-D view generation module, for using the time as X-axis, using depth as Y-axis, respectively by the first 3-D view
Each point (T, P1+ Δ P) substitute into phase equilibrium line judged, if certain point judged result be hydrate stable region with
The point is then inside labeled as black, by the point labeled as ash if being not within hydrate stable region if the judged result that certain is put
Color, so as to form the second 3-D view；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=
(Di-D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
Preferably, also include before the first 3-D view generation module with lower module：
Data extraction module, for the serial data of extraction in every 5 minutes, the serial data includes collecting in this 5 minutes
Temperature data, the frequency acquisition of the temperature data is 5 seconds.
To achieve the above object three, the technical solution adopted in the present invention is as follows：
A kind of user terminal, including：
Memory, instructed for storage program；
Processor, for performing described program instruction, to perform following steps：
Step 1, the temperature data for extracting, using the time as X-axis, using depth as Y-axis, two-dimensional interpolation operation is carried out,
And a thermoisopleth is drawn as condition drafting thermoisopleth to be often separated by N degrees Celsius, so as to form the first 3-D view, wherein, with
Different colours are represented per N degrees Celsius；Wherein, N ＞ 0.
Preferably, it is further comprising the steps of：
Step 2, using the time as X-axis, using depth as Y-axis, respectively by (T, the P1+ Δ of each point in the first 3-D view
P) substitute into phase equilibrium line to be judged, by the point labeled as black if being within hydrate stable region if the judged result that certain is put
Color, the point is labeled as grey if being not within hydrate stable region if the judged result that certain is put, it is three-dimensional so as to form second
View；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=
(Di-D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
Preferably, it is further comprising the steps of before step 1：
Step 0, extraction in an every 5 minutes serial data, the serial data include the temperature data collected in this 5 minutes,
The frequency acquisition of the temperature data is 5 seconds.
Preferably, in above-mentioned each scheme, the two-dimensional interpolation operation is preferably operated using two-dimentional Kriging regression.N=1,
It is of course also possible to depending on use demand.
Compared with prior art, the beneficial effects of the present invention are：
Relative to existing two-dimension temperature data into figure, the present invention is using three dimensional constitution to distributed temperature sensor temperature
Data carry out intuitively judging temperature with time and the variation tendency of depth, the opposing party into figure latter aspect into figure, three-dimensional
Face reduces human cost.Simultaneously hydrate under the conditions of certain temperature, pressure is can interpolate that in pit shaft further combined with phase equilibrium line
Whether can decompose, the decision-making in-situ for hydrate pilot production provides powerful support.
Brief description of the drawings
Fig. 1 is the hydrate preservation area schematic diagram under temperature and pressure collective effect；
Fig. 2 is the simple schematic diagram of the lateral section of hydrate pilot production well；
Fig. 3 is conventional two-dimensional temperature profile；
Fig. 4 is that the Temperature-time of hydrate of the present invention collection develops the flow chart of expression；
Fig. 5 is the first 3-D view of the present invention；
Fig. 6 is the second 3-D view of the present invention；
Fig. 7 is that the Temperature-time of hydrate of the present invention collection develops the structure chart of expression device；
Fig. 8 is the structure chart of user terminal of the present invention.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
Embodiment one：
With reference to figure 4, the invention provides a kind of Temperature-time of hydrate collection to develop expression, including lower step：
S201, extraction in an every 5 minutes serial data, the serial data include the temperature data collected in this 5 minutes, institute
The frequency acquisition for stating temperature data is 5 seconds.
Due to temperature data frequency acquisition for every five seconds for example clock once, so high frequency acquisition considerably increases processing
Time, therefore be roughened data on the premise of imaging quality and decision-making in-situ is met.
S202, the temperature data for extracting, using the time as X-axis, using depth as Y-axis, carry out two-dimentional Kriging regression
Operation, and a thermoisopleth is drawn as condition drafting thermoisopleth to be often separated by 1 degree Celsius, so as to form the first 3-D view, its
In, every 1 degree Celsius is represented in different colors.
The first 3-D view drawn is as shown in figure 5, different colors is presented in each thermoisopleth, for example, temperature is higher
Color is redder, and temperature is lower, and color is more blue, on the one hand can intuitively judge temperature with time and the variation tendency of depth, another
Aspect reduces human cost.
S203, using the time as X-axis, using depth as Y-axis, respectively by (T, P1+ the Δ P) of each point in the first 3-D view
Substitute into phase equilibrium line to be judged, by the point labeled as black if being within hydrate stable region if the judged result that certain is put
Color, the point is labeled as grey if being not within hydrate stable region if the judged result that certain is put, it is three-dimensional so as to form second
View；Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=(Di-
D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
The stability of hydrate is mainly controlled by temperature and pressure, therefore to the temperature of each point in the first 3-D view
Degree and pressure carry out the judgement that balances each other, so as to be informed in whether hydrate under Current Temperatures and pressure condition decomposes.Specifically
, black is labeled as if certain point is within hydrate stable region, labeled as ash if the point is not within hydrate stable region
Color, black represent hydrate and not decomposed, and grey represents decomposition of hydrate.So as to form the second 3-D view as shown in Figure 6, its
It can intuitively judge whether hydrate can decompose under the conditions of certain temperature, pressure, and the decision-making in-situ for hydrate pilot production provides
Powerful support.
Embodiment two：
With reference to figure 7, the present invention provides a kind of Temperature-time of hydrate collection and develops expression device, including with lower module：
First 3-D view generation module, for the temperature data for extracting, using the time as X-axis, using depth as Y
Axle, two-dimentional Kriging regression operation is carried out, and a thermoisopleth is drawn as condition drafting thermoisopleth to be often separated by 1 degree Celsius, from
And the first 3-D view is formed, wherein, every 1 degree Celsius is represented in different colors.
Preferably, in addition to lower module：
Second 3-D view generation module, for using the time as X-axis, using depth as Y-axis, respectively by the first 3-D view
Each point (T, P1+ Δ P) substitute into phase equilibrium line judged, if certain point judged result be hydrate stable region with
The point is then inside labeled as black, by the point labeled as ash if being not within hydrate stable region if the judged result that certain is put
Color, so as to form the second 3-D view；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=
(Di-D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
Preferably, also include before the first 3-D view generation module with lower module：
Data extraction module, for the serial data of extraction in every 5 minutes, the serial data includes collecting in this 5 minutes
Temperature data, the frequency acquisition of the temperature data is 5 seconds.
Embodiment three：
With reference to figure 8, the invention provides a kind of user terminal, including：
Memory, instructed for storage program；
Processor, for performing described program instruction, to perform following steps：
Step 1, the temperature data for extracting, using the time as X-axis, using depth as Y-axis, carry out two-dimentional Kriging regression
Operation, and a thermoisopleth is drawn as condition drafting thermoisopleth to be often separated by 1 degree Celsius, so as to form the first 3-D view, its
In, every 1 degree Celsius is represented in different colors.
Preferably, it is further comprising the steps of：
Step 2, using the time as X-axis, using depth as Y-axis, respectively by (T, the P1+ Δ of each point in the first 3-D view
P) substitute into phase equilibrium line to be judged, by the point labeled as black if being within hydrate stable region if the judged result that certain is put
Color, the point is labeled as grey if being not within hydrate stable region if the judged result that certain is put, it is three-dimensional so as to form second
View；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=
(Di-D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
Preferably, it is further comprising the steps of before step 1：
Step 0, extraction in an every 5 minutes serial data, the serial data include the temperature data collected in this 5 minutes,
The frequency acquisition of the temperature data is 5 seconds.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (10)
1. the Temperature-time of hydrate collection develops expression, it is characterised in that comprises the following steps：
Step 1, the temperature data for extracting, using the time as X-axis, using depth as Y-axis, progress two-dimensional interpolation operation, and with
It is that condition draws thermoisopleth to be often separated by N degrees Celsius to draw a thermoisopleth, so as to form the first 3-D view, wherein, with difference
Color is represented per N degrees Celsius；Wherein, N ＞ 0.
2. the Temperature-time of hydrate collection as claimed in claim 1 develops expression, it is characterised in that the two dimension
Interpolation operation operates for two-dimentional Kriging regression.
3. the Temperature-time of hydrate collection as claimed in claim 1 develops expression, it is characterised in that N=1.
4. the Temperature-time of hydrate collection according to claim 1 develops expression, it is characterised in that also includes
Following steps：
Step 2, using the time as X-axis, using depth as Y-axis, respectively by (T, the P1+ Δ P) generation of each point in the first 3-D view
Enter phase equilibrium line to be judged, the point be labeled as black if being within hydrate stable region if the judged result that certain is put,
The point is labeled as grey if being not within hydrate stable region if the judged result that certain is put, regarded so as to form the second three-dimensional
Figure；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=(Di-
D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
5. the Temperature-time of the hydrate collection according to any one of Claims 1-4 develops expression, its feature exists
In further comprising the steps of before step 1：
Step 0, extraction in an every 5 minutes serial data, the serial data includes the temperature data collected in this 5 minutes, described
The frequency acquisition of temperature data is 5 seconds.
6. the Temperature-time of hydrate collection develops expression device, it is characterised in that including with lower module：
First 3-D view generation module, for the temperature data for extracting, using the time as X-axis, using depth as Y-axis, enter
Row two-dimensional interpolation operates, and draws a thermoisopleth as condition drafting thermoisopleth to be often separated by N degrees Celsius, so as to form the one or three
Dimensional view, wherein, represent in different colors per N degrees Celsius；Wherein, N ＞ 0.
7. the Temperature-time of hydrate collection according to claim 6 develops expression device, it is characterised in that also includes
With lower module：
Second 3-D view generation module,, respectively will be every in the first 3-D view using depth as Y-axis for using the time as X-axis
(T, P1+ the Δ P) of individual point substitutes into phase equilibrium line and judged, if the judged result that certain is put is within hydrate stable region
The point is labeled as black, the point is labeled as grey if being not within hydrate stable region if the judged result that certain is put, from
And form the second 3-D view；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=(Di-
D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
8. user terminal, it is characterised in that including：
Memory, instructed for storage program；
Processor, for performing described program instruction, to perform following steps：
Step 1, the temperature data for extracting, using the time as X-axis, using depth as Y-axis, progress two-dimensional interpolation operation, and with
It is that condition draws thermoisopleth to be often separated by N degrees Celsius to draw a thermoisopleth, so as to form the first 3-D view, wherein, with difference
Color is represented per N degrees Celsius；Wherein, N ＞ 0.
9. user terminal according to claim 8, it is characterised in that further comprising the steps of：
Step 2, using the time as X-axis, using depth as Y-axis, respectively by (T, the P1+ Δ P) generation of each point in the first 3-D view
Enter phase equilibrium line to be judged, the point be labeled as black if being within hydrate stable region if the judged result that certain is put,
The point is labeled as grey if being not within hydrate stable region if the judged result that certain is put, regarded so as to form the second three-dimensional
Figure；
Wherein, T be the point temperature value, P1+ Δs P be the point pressure value, P1 be pressure sensor reading, Δ P=(Di-
D) × 1.45psi/m, Di are the depth of the point, and D is the depth of pressure sensor.
10. user terminal according to claim 8 or claim 9, it is characterised in that further comprising the steps of before step 1：
Step 0, extraction in an every 5 minutes serial data, the serial data includes the temperature data collected in this 5 minutes, described
The frequency acquisition of temperature data is 5 seconds.
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Application publication date: 20180123 |
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