CN107369101A - The movable evaluation method of target fast, economical is commented in rolling - Google Patents
The movable evaluation method of target fast, economical is commented in rolling Download PDFInfo
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- CN107369101A CN107369101A CN201610905664.1A CN201610905664A CN107369101A CN 107369101 A CN107369101 A CN 107369101A CN 201610905664 A CN201610905664 A CN 201610905664A CN 107369101 A CN107369101 A CN 107369101A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 46
- 238000011156 evaluation Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000012937 correction Methods 0.000 claims abstract description 19
- 238000010206 sensitivity analysis Methods 0.000 claims abstract description 14
- 238000011234 economic evaluation Methods 0.000 claims abstract description 13
- 230000032696 parturition Effects 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000011161 development Methods 0.000 claims description 16
- 239000003129 oil well Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 241001269238 Data Species 0.000 claims description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 110
- 238000013461 design Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012854 evaluation process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- -1 lapse rate Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The present invention provides a kind of rolling and comments the movable evaluation method of target fast, economical, and the rolling comments the movable evaluation method of target fast, economical to include：Step 1, different type oil reservoir economic evaluation underlying parameter is compiled；Step 2, different type oil reservoir single well productivity and movable oil price affinity criterions plate are established；Step 3, the main affecting parameters sensitivity analysis of movable oil price is carried out；Step 4, the different movable oil price correction factor tables for just giving birth to different parameters are established；Step 5, the movable oil price of target is commented in measuring and calculating rolling.The rolling comments the movable evaluation method of target fast, economical compared with the Economic Evaluation Method of routine, required parameter is less, operation is simple, realization of goal fast, economical can be commented movably to evaluate rolling, technical support is provided for the different stage non-producing reserves reservoir evaluation such as oil field prospecting new discovery, control reserve and proved undeveloped reserves, for quickly filtering out the high-quality Productivity Construction position in new district provides powerful guarantee.
Description
Technical field
The present invention relates to oil field development technical field, especially relates to a kind of rolling and comments the target fast, economical movably side of evaluation
Method.
Background technology
The different stage such as oil field prospecting new discovery, control reserve and proved undeveloped reserves new district non-producing reserves oil reservoir is commented
During valency, researcher typically first needs to comment rolling the REGION OF WATER INJECTION OILFIELD of target to work out exploitation conceptual schema design, then in this base
Using Economic Evaluation Method come the effective exploitation feasibility that judges and evaluate target on plinth.Economic Evaluation Method is with existing
Based on Jin Liufa, firstly the need of the annual development index predication result for preparing evaluation target and in detail in specific operation process
Investment and the data such as cost accounting, and comment using the internal rate of return (IRR) as rolling the criterion of target effective Development Feasibility.Its
Specific evaluation rubric as shown in Fig. 2 i.e. according to exploitation conceptual schema design, investment estimate, cost estimation, economic indexes calculation,
The order that feasibility judges, progressively comment target to carry out correlative study for rolling, finally make so that whether the internal rate of return (IRR) is more than 12%
To roll the criterion for commenting target to realize effective exploitation.
The result that Economic Evaluation Method calculates is relatively accurate, but needs researcher skillfully to grasp calculation process
With substantial amounts of parameter selection method, specific research process operation is comparatively laborious, and difficulty is relatively large, and is built with new district production capacity
If block is compared, the different stage non-producing reserves reservoir evaluation such as exploration new discovery, control reserve and proved undeveloped reserves
Economic movable evaluation requires that permission is appropriate lower, therefore can comment target block to rolling using a kind of easy method to realize
Fast Evaluation screening.In order to simplify economic movable evaluation method flow, facilitate researcher's concrete operations, comment target real rolling
Existing fast, economical is movably evaluated, and is not employed for different stages such as oil field prospecting new discovery, control reserve and proved undeveloped reserves
Reserves reservoir evaluation provides technical support, and the quick screening for the high-quality Productivity Construction position in new district provides powerful guarantee, Wo Menfa
Understand that the movable evaluation method of target fast, economical is commented in a kind of new rolling, solve above technical problem.
The content of the invention
It is an object of the invention to provide a kind of new rolling to comment the movable evaluation method of target fast, economical, and this method is the same as routine
Economic Evaluation Method is compared, and required parameter is less, and operation is simple, realization of goal can be commented quick rolling by this method
Economic movable evaluation, it is the different stage non-producing reserves such as oil field prospecting new discovery, control reserve and proved undeveloped reserves oil
Hide evaluation and technical support is provided, for quickly filtering out the high-quality Productivity Construction position in new district provides powerful guarantee.
The purpose of the present invention can be achieved by the following technical measures：The movable evaluation method of target fast, economical is commented in rolling, should
Rolling comments the movable evaluation method of target fast, economical to include：Step 1, different type oil reservoir economic evaluation underlying parameter is compiled；
Step 2, different type oil reservoir single well productivity and movable oil price affinity criterions plate are established；Step 3, the main shadow of movable oil price is carried out
Ring parameters sensitivity analysis；Step 4, the different movable oil price correction factor tables for just giving birth to different parameters are established；Step 5, calculate
The movable oil price of target is commented in rolling.
The purpose of the present invention can be also achieved by the following technical measures：
In step 1, different type oil reservoir economic evaluation underlying parameter is compiled, including different type oil reservoir year opens
Bristle with anger mark and investment, cost these basic datas, wherein annual development index includes drilled well number, drill footage, well type, production
The liquid measure and yield of well, the water filling steam injection amount of injection well, decline of a well rate these data item, investment be divided into drilling engineering investment,
Petroleum production engineering is invested and ground surface works invest three parts.
In step 2, different type oil reservoir single well productivity and movable oil price affinity criterions plate are established, it is different by choosing
The mean parameter of type oil reservoir, flows method in cash, according to project appraisal thinking, considers absorbed costs and deducts artificial and expense point
Direct running cost two ways behind stand, establishes different type oil reservoir single well productivity and movable oil price affinity criterions figure respectively
Version.
In step 3, the main affecting parameters sensitivity analysis of movable oil price is carried out, according to different type oil reservoir in step 2
Reservoir evaluation process, the investment of extraction individual well, initial year production cost per tone oil and lapse rate analyze it to movable one by one as major parameter
The influence of oil price, apparent movable variation relation between oil price and investment, cost, lapse rate.
In step 4, the different movable oil price correction factor tables for just giving birth to different parameters are established, according to respectively joining in step 3
Several sensitivity analysis results, respectively carry out different type oil reservoir oil well difference primiparity under individual well investment, initial year production cost per tone oil,
Sensitivity analysis of the amplitude of variation to movable oil price between lapse rate and oil reservoir average value, establish difference and just give birth to different parameters
Movable oil price correction factor table.
In steps of 5, the movable oil price of target is commented in measuring and calculating rolling, and the oil reservoir basic characteristics for commenting target according to rolling screen potentiality
Area, establishment exploitation conceptual schema design, with the different type oil reservoir single well productivity established in step 2 and movable oil price affinity criterions
The movable oil price correction factor table that the difference established in plate and step 4 just gives birth to different parameters is foundation, and point consideration is complete
Cost and do not consider artificial and expense allocation cost both of these case, the movable oil price of target is commented in measuring and calculating rolling respectively.
The movable evaluation method of target fast, economical is commented in rolling in the present invention, and storage is not employed suitable for oil field new district different stage
Amount rolling comments target and the fast, economical of old area proved reserves block movably to evaluate, the exploration new discovery that is particularly suitable for use in, control storage
Target is commented in the rolling of the new district such as amount and proved undeveloped reserves.This method is ground in reference project methodology of economic evaluation research flow and mainly
On the basis of studying carefully content, the characteristics of reservoirs and Development characteristics of target are commented with reference to rolling, consider different type oil reservoir difference and
Rule is developed, the serial plate and chart established between different Oil Reservoir Types different parameters, simplifying objectives block economy can
Dynamic evaluation rubric, it is that a kind of Research Thinking is reasonable, evaluation rubric is simple, accurately rolling comments target fast, economical movable to evaluation result
Evaluation method.Using this method, realization of goal fast, economical can be commented movably to evaluate rolling, be oil field prospecting new discovery, control storage
The different stage non-producing reserves reservoir evaluation such as amount and proved undeveloped reserves provides technical support, excellent quickly to filter out new district
Matter Productivity Construction position provides powerful guarantee, adapts to the needs of current oilfield development situation development.
Brief description of the drawings
Fig. 1 is the flow chart that a specific embodiment of the movable evaluation method of target fast, economical is commented in the rolling of the present invention；
Fig. 2 is the specific evaluation rubric figure of the Economic Evaluation Method of the present invention；
Fig. 3 is single well productivity and movable oil price relation under the heavy crude reservoir difference cost of the specific embodiment of the present invention
Standard plate.
Embodiment
For enable the present invention above and other objects, features and advantages become apparent, it is cited below particularly go out preferable implementation
Example, and coordinate shown in accompanying drawing, it is described in detail below.
As shown in figure 1, Fig. 1, which is the rolling of the present invention, comments the flow chart of the movable evaluation method of target fast, economical.
With proved undeveloped reserves block A blocks N1g63+4Exemplified by, illustrate that the movable evaluation method of target fast, economical is commented in rolling
Implementing procedure.
In a step 101, different type oil reservoir economic evaluation underlying parameter, including different type oil reservoir year are compiled
The basic data such as development index and investment, cost, wherein annual development index generally comprise drilled well number, drill footage, well type,
The data item such as the liquid measure and yield of producing well, water filling (vapour) amount of injection well, decline of a well rate, investment are divided into drilling engineering throwing
Money, petroleum production engineering investment and ground surface works invest three parts, after completing this step, into step 102.
In the present embodiment, proved undeveloped reserves block A blocks N is selected1g63+4For this evaluation object.A block target zones
Reservoir buried depth 1150-1250m, reservoir permeability 3526mD, 50 DEG C of stock tank oil viscosity 4954mPas, it is a stratiform structure
- lithology common heavy oil reservoir is made, ground is farmland and village, reports within 2003 2500000 tons of verified oil oil in place.A blocks have 1
JingBJing is adopted in oral examination, and the well has been handled up 4 weeks at present in returning Ng target zones in January, 2012, average day oil productive capacity 6.4t/d,
Accumulate oil-producing 6899t.According to the reservoir geology feature of block and formation testing pilot production feature, the exploitation conceptual scheme for having worked out the block is set
Meter, it is proposed that its 41 mouthfuls of straight well (wherein old Jing8Kou) of deployment in the range of core intersection is more than 3m is developed using a set of series of strata, well
Net well spacing is 283m × 400m, and development scheme is steam soak, and the average individual well day oil ability of oil well takes 6t/d, newly-built production capacity 5.4
Ten thousand tons.On this basis, the annual development index of the block is predicted, and to all investments of the oil-field thick-oil oil reservoir and cost etc.
Basic data is collected and arranged.
In a step 102, different type oil reservoir single well productivity and movable oil price affinity criterions plate are established, by choosing not
The mean parameter of same type oil reservoir, flows method in cash, according to project appraisal thinking, considers absorbed costs and deducts artificial and expense
Direct running cost two ways after sharing, establishes different type oil reservoir single well productivity and movable oil price affinity criterions figure respectively
Version, then proceedes to step 103.
In the present embodiment, according to where the A blocks compiled in previous step the geologic feature of oil-field thick-oil oil reservoir and
The basic data such as the oil reservoir mean parameters such as rule and investment and cost is developed, according to project appraisal thinking, flows method point in cash
Not Kao Lv absorbed costs and direct running cost, establish the single well productivity under heavy crude reservoir difference cost and movable oil price relation
Standard plate, as shown in Figure 3.Above for A blocks N1g63+4The exploitation conceptual schema design and annual development index of establishment
In prediction result, block target zone design primiparity is 6t/d.Single well productivity under the heavy crude reservoir difference cost of compares figure 2 and movable
Oil price affinity criterions plate, it can detect when oil well primiparity is 6t/d, the movable oil price of the economy of A blocks is 91.7 under absorbed costs
$/bbl。
In step 103, the main affecting parameters sensitivity analysis of movable oil price is carried out, according to different type oil in step 2
Reservoir evaluation process is hidden, as major parameter, analyzing its pair one by one can for the investment of extraction individual well, initial year production cost per tone oil and lapse rate
The influence of dynamic oil price, apparent movable variation relation between oil price and investment, cost, lapse rate, subsequently into step 104.
In the present embodiment, according to the exploitation rule of A blocks place oil field different type oil reservoir, heavy crude reservoir is effectively employed
Affecting parameters carried out sensitivity analysis, know individual well investment, initial year production cost per tone oil, lapse rate, oil price and production capacity be shadow
Ring the staple of block effective exploitation, it is contemplated that oil price and production capacity are the research objects of itself, therefore extract individual well investment, just
Year production cost per tone oil, lapse rate begin as major parameter, analyzes its influence to movable oil price one by one, influence sorts by size
It is cost ＞ investment ＞ lapse rates.Found by analysis, individual well investment, the change of initial year production cost per tone oil, lapse rate and movable
It is in linear approximate relationship between the change of oil price.Under the conditions of different primiparity, as individual well invests, initial year production cost per tone oil and successively decreases
The increase of rate, movable oil price increase.
At step 104, the different movable oil price correction factor tables for just giving birth to different parameters are established, according to each in step 3
The sensitivity analysis result of parameter, respectively carry out different type oil reservoir oil well difference primiparity under individual well investment, initial year ton oil into
Originally, sensitivity analysis of the amplitude of variation between lapse rate and oil reservoir average value to movable oil price, establish difference and just gives birth to difference
The movable oil price correction factor table of parameter, enters step 105 after completing the step.
In the present embodiment, carry out individual well investment, initial year production cost per tone oil under heavy crude reservoir oil well difference primiparity respectively, pass
Sensitivity analysis of the amplitude of variation to movable oil price between lapse rate and oil reservoir average value, establish difference and just give birth to different parameters
Movable oil price correction factor table.When parameter amplification is 5%, the movable oil price correction factor of heavy crude reservoir is as shown in table 1.
The heavy crude reservoir of table 1 difference just gives birth to movable oil price correction factor table during parameter amplification 5%
| Primiparity t/d | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Investment increase by 5% | 2.94 | 3.05 | 3.10 | 2.68 | 2.20 | 1.80 | 1.68 |
| Cost increase by 5% | 4.00 | 4.47 | 4.91 | 4.49 | 3.97 | 3.33 | 3.34 |
| Lapse rate increase by 5% | 2.82 | 2.13 | 1.60 | 1.23 | 0.95 | 0.77 | 0.65 |
In step 105, the movable oil price of target is commented in measuring and calculating rolling, and the oil reservoir basic characteristics for commenting target according to rolling screen potentiality
Area, establishment exploitation conceptual schema design, with the different type oil reservoir single well productivity established in step 2 and movable oil price affinity criterions
The movable oil price correction factor table that the difference established in plate and step 4 just gives birth to different parameters is foundation, and point consideration is complete
Cost and do not consider artificial and expense allocation cost both of these case, the movable oil price of target is commented in measuring and calculating rolling respectively.
In the present embodiment, the individual well investment in oil field where A blocks is 6,200,000 yuan/well, and production cost per tone oil is 1977 yuan/ton, oil
Well composite declining rate is 11%.Wherein, the individual well investment of heavy crude reservoir is 6,180,000 yuan/well, and production cost per tone oil is 1977 yuan/ton, oil
Well composite declining rate is 11%, the amplitude of variation of the investment of the individual well of heavy crude reservoir, production cost per tone oil and lapse rate is 0.3% respectively ,-
12.6% and -23.6%.Heavy crude reservoir is searched when oil well primiparity is 6t/d, when each affecting parameters correspond to amplitude of variation can
Dynamic oil price correction factor table, also can movable oil price amendment system of linear interpolation when calculating each affecting parameters respective change amplitude
Number, it follows that the correction factor of individual well investment is 0.2%, the correction factor of production cost per tone oil is -12.3%, and lapse rate is repaiied
Positive coefficient is then -7.6%.According to above-mentioned all parameters, A blocks N is calculated1g63+4Movable oil price=91.7 × (1 under absorbed costs
+ 0.2%-12.3%-7.6%)=73.6 $/bbl.Similarly, A blocks N is calculated1g63+4Do not consider it is artificial and expense allocation straight
The movable oil price connect under the conditions of running cost is 53.6/bbl.According to viscous crude oil in non-producing reserves Classified Index System
The categorised demarcation line and evaluation criterion of Tibetan, A blocks N1g63+4Belong to that I class is evaluable to build producing region block, movable oil price about 60~70/
bbl.The movable evaluation method of target fast, economical is commented to A blocks N using the rolling1g63+4Economic mobility evaluation result, with by
According to heavy crude reservoir non-producing reserves block classification principle and evaluation criterion to A blocks N1g63+4The classification of oil reservoirs evaluation result base of progress
This is consistent, and this method also simple and fast, is not too high relatively to the professional knowledge requirement in terms of Technological Economics and Management, is making
After setting standard plate or the movable oil price correction factor table of the economic mobility evaluation of different type oil reservoir relevant parameter, this method
Adapt in the need of work of the oil field development researcher of different majors, be worth popularizing in an all-round way in oilfield development process.
Claims (6)
1. the movable evaluation method of target fast, economical is commented in rolling, it is characterised in that the movable evaluation method of target fast, economical is commented in the rolling
Including：
Step 1, different type oil reservoir economic evaluation underlying parameter is compiled；
Step 2, different type oil reservoir single well productivity and movable oil price affinity criterions plate are established；
Step 3, the main affecting parameters sensitivity analysis of movable oil price is carried out；
Step 4, the different movable oil price correction factor tables for just giving birth to different parameters are established；
Step 5, the movable oil price of target is commented in measuring and calculating rolling.
2. the movable evaluation method of target fast, economical is commented in rolling according to claim 1, it is characterised in that in step 1, is received
Collection arranges different type oil reservoir economic evaluation underlying parameter, including different type oil reservoir year development index and investment, cost this
A little basic datas, wherein annual development index includes drilled well number, drill footage, well type, the liquid measure of producing well and yield, injection
The water filling steam injection amount of well, decline of a well rate these data item, investment are divided into drilling engineering investment, petroleum production engineering investment and ground work
Journey invests three parts.
3. the movable evaluation method of target fast, economical is commented in rolling according to claim 1, it is characterised in that in step 2, is built
Vertical different type oil reservoir single well productivity and movable oil price affinity criterions plate, by choosing the mean parameter of different type oil reservoir,
Method is flowed in cash, according to project appraisal thinking, is considered absorbed costs and is deducted the direct running cost after artificial and expense allocation
Two ways, different type oil reservoir single well productivity and movable oil price affinity criterions plate are established respectively.
4. the movable evaluation method of target fast, economical is commented in rolling according to claim 1, it is characterised in that in step 3, is opened
The main affecting parameters sensitivity analysis of movable oil price is opened up, according to different type oil reservoir oil reservoir evaluation procedure in step 2, extracts individual well
Investment, initial year production cost per tone oil and lapse rate analyze its influence to movable oil price, apparent moveable oil one by one as major parameter
Variation relation between valency and investment, cost, lapse rate.
5. the movable evaluation method of target fast, economical is commented in rolling according to claim 1, it is characterised in that in step 4, is built
The vertical different movable oil price correction factor tables for just giving birth to different parameters, according to the sensitivity analysis result of each parameter in step 3, divide
Not Kai Zhan under different type oil reservoir oil well difference primiparity individual well investment, initial year production cost per tone oil, lapse rate and oil reservoir average value it
Between sensitivity analysis of the amplitude of variation to movable oil price, establish the different movable oil price correction factors for just giving birth to different parameters
Table.
6. the movable evaluation method of target fast, economical is commented in rolling according to claim 1, it is characterised in that in steps of 5, is surveyed
The movable oil price that target is commented in rolling is calculated, comments the oil reservoir basic characteristics of target to screen REGION OF WATER INJECTION OILFIELD according to rolling, establishment exploitation conceptual scheme is set
Meter, with what is established in the different type oil reservoir single well productivity and movable oil price affinity criterions plate and step 4 established in step 2
The different movable oil price correction factor tables for just giving birth to different parameters are foundation, divide consideration absorbed costs and do not consider artificial and expense
The movable oil price of target is commented in allocated cost both of these case, respectively measuring and calculating rolling.
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| CN201610905664.1A CN107369101A (en) | 2016-10-17 | 2016-10-17 | The movable evaluation method of target fast, economical is commented in rolling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057785A (en) * | 2018-07-27 | 2018-12-21 | 中国石油天然气股份有限公司 | Method for evaluating residual geological reserves of compact heterogeneous reservoir |
| CN111861277A (en) * | 2020-08-04 | 2020-10-30 | 张超 | Oil and gas resource economy evaluation method |
-
2016
- 2016-10-17 CN CN201610905664.1A patent/CN107369101A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057785A (en) * | 2018-07-27 | 2018-12-21 | 中国石油天然气股份有限公司 | Method for evaluating residual geological reserves of compact heterogeneous reservoir |
| CN111861277A (en) * | 2020-08-04 | 2020-10-30 | 张超 | Oil and gas resource economy evaluation method |
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