CN109002580A - A kind of ocean platform upper chunk area predictor method - Google Patents
A kind of ocean platform upper chunk area predictor method Download PDFInfo
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- CN109002580A CN109002580A CN201810635165.4A CN201810635165A CN109002580A CN 109002580 A CN109002580 A CN 109002580A CN 201810635165 A CN201810635165 A CN 201810635165A CN 109002580 A CN109002580 A CN 109002580A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004364 calculation method Methods 0.000 claims abstract description 27
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Abstract
The present invention relates to a kind of ocean platform upper chunk area predictor methods, including the following contents: compiling the basic data of target ocean platform, determine target ocean platform type；According to the corresponding ocean platform upper chunk areal calculation model of the basic data fitting of built ocean platform identical with target ocean platform type；Estimating for the ocean platform upper chunk area of respective type is completed using the ocean platform upper chunk areal calculation model of foundation.The present invention avoids upper chunk area estimated data from relatively large deviation occur, ensure that the firmness on the subsequent Specialty Design basis such as platform property, structure principal dimensions, installation method, and then ensure that engineering proposal than choosing, the accuracy of economic evaluation.The present invention can be widely applied to the early-stage study stage and estimate to ocean platform upper chunk area.
Description
Technical field
The present invention relates to a kind of ocean platform upper chunk area predictor methods, are related to offshore platform technical field.
Background technique
Ocean platform upper chunk area has conclusive influence to the design of the structure of ocean platform, mounting means.Early period
Conceptual phase area reckoning it is excessive or it is too small can all influence platform property, structure principal dimensions, installation method etc., lead to economic evaluation
Error is larger, and the ratio in turn resulting in engineering proposal selects deviation.Early-stage study stage engineering proposal is more, platform scale is big, the duration is tight,
Site Planning heavy workload can not provide detailed floor plan for each scheme.Therefore, it is necessary to find a kind of fast
Fast and accurate method, realizes estimating for ocean platform upper chunk area.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of ocean platform upper chunk area predictor method, it can
Quick and precisely realize that ocean platform upper chunk area is estimated.
To achieve the above object, the present invention takes following technical scheme: a kind of ocean platform upper chunk area side of estimating
Method, it is characterised in that including the following contents: compiling the basic data of target ocean platform, determines target ocean platform class
Type；Ocean platform upper chunk area is fitted according to the basic data of built ocean platform identical with target ocean platform type
Computation model；The ocean platform upper chunk of respective type is completed using the ocean platform upper chunk areal calculation model of foundation
Area is estimated.
Further, the basic data of ocean platform includes the floor space of ocean platform, well slot number, mounting means and brill
Repair machine form.
Further, it is oil production platforms or natural gas producing platform, sea that the feature of ocean platform, which includes: ocean platform,
Foreign platform is whether wellhead platform or central platform, ocean platform mounting means are lifting or floating support, central platform with well head；Sea
Foreign Platform Type is the combination of above-mentioned several features.
Further, the method for building up of ocean platform upper chunk areal calculation model are as follows: 1. according to built ocean platform
Basic data, using existing statistical method to the upper chunk area of built ocean platform and mechanical equipment area, well slot
Mathematical relationship between number is fitted, and the upper chunk areal calculation mould of the ocean platform of this type is obtained using regression analysis
Type；2. using the ocean platform upper chunk areal calculation model established respectively to the upper chunk area of each built ocean platform
It is estimated, and each built ocean platform is estimated into upper chunk area and the practical upper chunk real area of built ocean platform
It is compared, show that built ocean platform estimates the error of upper chunk area；If all built ocean platforms estimate top
The error of chunking area is within a preset range, then it is assumed that the ocean platform upper chunk areal calculation model of foundation is correct, obtains
To suitable for the type ocean platform upper chunk areal calculation model；If any built ocean platform of the type is estimated always
The error of weight is more than preset range, then all built offshore platform foundation data being collected into of the type is classified；
1. and 2. 3. step is repeated, until all types of ocean platform upper chunk areal calculations for obtaining meeting error requirements
Model.
Further, regression analysis uses IBM SPSS software.
The invention adopts the above technical scheme, which has the following advantages: 1, ocean platform upper chunk of the invention
Area predictor method enables Offshore Platform Design after obtaining basic data, through predictor method, and person is simple in the early-stage study stage
Single quickly to estimate out ocean platform upper chunking area, the upper chunk area accuracy estimated is higher.2, sea of the invention
Foreign platform upper chunking area predictor method, avoids upper chunk area estimated data from relatively large deviation occur, ensure that platform
The firmness on the subsequent Specialty Design basis such as energy, structure principal dimensions, installation method, and then ensure that engineering proposal than choosing, economy
The accuracy of evaluation.The present invention can be widely applied to the early-stage study stage and estimate to ocean platform upper chunk area.
Detailed description of the invention
Fig. 1 is ocean platform type frame diagram of the invention.
Specific embodiment
Come to carry out detailed description to the present invention below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
Ocean platform upper chunk area predictor method provided by the invention, including the following contents:
1, the basic data of target ocean platform is compiled, and determines target ocean platform type.
The basic data of target ocean platform includes the floor space of target ocean platform, well slot number, mounting means and brill
Repair machine form etc..
According to the feature of ocean platform: ocean platform is oil production platforms or natural gas producing platform, platform are wells
Mouth platform or central platform, stage+module mode (lifting, floating support), whether band well head determines target ocean platform to central platform
Type, wherein target ocean platform can be the features described above such as the central platform with well head of the wellhead platform, lifting that lift
Combination, and then determine the type of specific ocean platform, details are not described herein.
2, corresponding ocean platform upper group is established according to built ocean platform identical with target ocean platform type
Block areal calculation model, detailed process are as follows:
1. according to the basic data of built ocean platform, using existing statistical method to the upper group of built ocean platform
Mathematical relationship between block area and mechanical equipment area, well slot number is fitted, and obtains this type using regression analysis
The upper chunk areal calculation model of ocean platform.
The present invention is to carry out regression analysis by basic data of the existing IBM SPSS software to built ocean platform, is returned
Analytic approach is returned to be divided into linear regression and nonlinear regression, regression analysis usually requires test of many times operation just it can be concluded that preferable
Model, and be aided with point and line chart and analyzed, finally according to R (related coefficient) value and the more excellent determining regression equation of F (conspicuousness) value,
Below with the built ocean platform with well slot lifting well head with example, this type sea is obtained using multiple linear regression and curve estimation
The upper chunk areal calculation model of foreign platform, detailed process are as follows: opening SPSS software, the recurrence option of selection analysis menu,
Return in option and select linear regression, open the menu bar of linear regression using the device area of this ocean platform and well slot number as
Independent variable, floor space carry out linear regression analysis as dependent variable, obtain model and carry out tracing analysis, and then returned
Upper chunk areal calculation model of the equation as this type ocean platform, as example, the fitting object of the above process is sea
The upper chunk area of foreign platform；Using mechanical equipment area and well slot number as basic data, practical operation can choose other
The early-stage study stage be easy to get, the key parameter that is able to reflect ocean platform feature as fitting basic data,
This is repeated no more.
2. using the ocean platform upper chunk areal calculation model established respectively to the upper group of each built ocean platform
Block area is estimated, and each built ocean platform is estimated upper chunk area and the practical upper chunk reality of built ocean platform
Interphase product is compared, and show that built ocean platform estimates the error of upper chunk area.
If all built ocean platforms estimate the error of upper chunk area within ± 10% (as example, no
It is limited to this), then it is assumed that the ocean platform upper chunk areal calculation model of foundation is correct, obtains being suitable for the type ocean platform
Upper chunk areal calculation model；If the error that any built ocean platform of the type estimates total weight is more than ± 10%,
Then all built offshore platform foundation data being collected into of the type are classified, such as according to platform deck areal extent
(5000 it is flat it is following, 5000 to 10000 flat, 10000 it is flat more than), well slot number range (below 15 mouthfuls of wells, 16 to 35 mouthfuls of wells, 36 mouthfuls
It is more than well), mounting means (floating drag, lift), oil field gas field classify, to sorted built ocean platform progress step
③。
1. and 2. 3. step is repeated, until all types of ocean platform upper chunk areal calculations for obtaining meeting error requirements
Model.
3, the ocean platform of respective type is completed using all types of ocean platform upper chunk areal calculation models of foundation
Upper chunk area is estimated.
Below by specific embodiment the present invention will be described in detail all types of ocean platform upper chunk areal calculation models
Method for building up, comprising the following steps:
1, the basic number such as upper chunk area, mounting means, well slot number for arranging some type of oil field shaft mouth platform is collected
According to the present embodiment includes A~H platform, the basic data of each platform such as table 1.
1 oil field shaft mouth platform data of table
| Platform names | The gross area/m2 | Well slot number | Mechanical equipment area/m2 | Electric room area/m2 | Mounting means |
| A | 1229 | 12 | 147 | 277 | Lifting |
| B | 1464 | 12 | 189 | 429 | Lifting |
| C | 2348.74 | 15 | 391 | 393 | Lifting |
| D | 3019.64 | 28 | 396 | 476.17 | Lifting |
| E | 3402.26 | 30 | 476 | 500 | Lifting |
| H | 2537.5 | 40 | 229 | 792 | Lifting |
2, using statistical method to the ocean platform upper chunk area and mechanical equipment area of this type, well slot number it
Between relationship be fitted, by IBM SPSS software, using the upper chunk area meter of regression analysis this type ocean platform
Calculate model:
Q1=4.449*a+39.025*b+116.188 (R2=0.929)
In formula, Q1 is that ocean platform estimates upper chunk area, and a is mechanical equipment area, and b is well slot number.
3. estimating upper chunk using what the upper chunk areal calculation model of ocean platform accordingly obtained each ocean platform
Area, and the upper chunk area of estimating of obtained each ocean platform is compared with practical upper chunk area, such as 2 institute of table
Show.
2 ocean platform upper chunk area estimation results of table and the comparison of practical upper chunk area
| Platform names | The gross area/m2 | Estimate area/m2 | It checks |
| A | 1229 | 1238.936 | 0.8% |
| B | 1464 | 1427.129 | - 2.5% |
| C | 2348.74 | 2442.667 | 4.0% |
| D | 3019.64 | 2971.026 | - 1.6% |
| E | 3402.26 | 3403.461 | 0.0% |
| H | 2537.5 | 2695.564 | 6.2% |
Check result shows that each ocean platform estimates upper chunk area and practical upper chunk area difference ± 10%
Within, meet the upper chunk area predictor error standard in early-stage study stage.It, can be according to platform if there is situation is not met
Floor space range, well slot number range, mounting means, even product characteristic carry out the above-mentioned process of classification repetition, until upper group
Until block area predictor error is within ± 10%.
The various embodiments described above are merely to illustrate the present invention, and wherein each implementation steps etc. of method are all that can be varied
, all equivalents and improvement carried out based on the technical solution of the present invention should not be excluded in protection of the invention
Except range.
Claims (5)
1. a kind of ocean platform upper chunk area predictor method, it is characterised in that including the following contents:
The basic data for compiling target ocean platform determines target ocean platform type；
Ocean platform upper chunk face is fitted according to the basic data of built ocean platform identical with target ocean platform type
Product computation model；
The ocean platform upper chunk area of respective type is completed using the ocean platform upper chunk areal calculation model of foundation
Estimate.
2. ocean platform upper chunk area predictor method according to claim 1, which is characterized in that the base of ocean platform
Plinth data include the floor space of ocean platform, well slot number, mounting means and drilling and repairing machine form.
3. ocean platform upper chunk area predictor method according to claim 1, which is characterized in that the spy of ocean platform
It is oil production platforms or natural gas producing platform, ocean platform are wellhead platform or central platform, sea that sign, which includes: ocean platform,
Whether foreign stage+module mode is lifting or floating support, central platform with well head；Ocean platform type is the group of above-mentioned several features
It closes.
4. ocean platform upper chunk area predictor method according to claim 2, which is characterized in that ocean platform top
The method for building up of chunking areal calculation model are as follows:
1. according to the basic data of built ocean platform, using existing statistical method to the upper chunk face of built ocean platform
The long-pending and mathematical relationship between mechanical equipment area, well slot number is fitted, and show that the ocean of this type is flat using regression analysis
The upper chunk areal calculation model of platform；
2. using the ocean platform upper chunk areal calculation model established respectively to the upper chunk face of each built ocean platform
Product is estimated, and each built ocean platform is estimated upper chunk area and the practical face of the practical upper chunk of built ocean platform
Product is compared, and show that built ocean platform estimates the error of upper chunk area；If all built ocean platforms are estimated
The error of portion's chunking area is within a preset range, then it is assumed that and the ocean platform upper chunk areal calculation model of foundation is correct,
It obtains being suitable for the type ocean platform upper chunk areal calculation model；If any built ocean platform of the type is estimated
The error of total weight is more than preset range, then all built offshore platform foundation data being collected into of the type is classified；
1. and 2. 3. step is repeated, until all types of ocean platform upper chunk areal calculation moulds for obtaining meeting error requirements
Type.
5. ocean platform upper chunk area predictor method according to claim 4, which is characterized in that regression analysis uses
IBM SPSS software.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110555252A (en) * | 2019-08-24 | 2019-12-10 | 天津大学青岛海洋技术研究院 | Planning method for simultaneous hoisting of multiple deck modules of ocean platform |
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Application publication date: 20181214 |