Quantitative evaluation method for quantity of potential resources around developed oil field
A quantitative evaluation and resource quantity technology, which is applied in the field of quantitative evaluation of potential resources around developed oilfields, can solve the problems that the quantitative evaluation method of surrounding potential resources has not yet been formed, the surrounding data is scarce, and potential reserves are difficult to quantify.
A quantitative evaluation and resource quantity technology, which is applied in the field of quantitative evaluation of potential resources around developed oilfields, can solve the problems that the quantitative evaluation method of surrounding potential resources has not yet been formed, the surrounding data is scarce, and potential reserves are difficult to quantify.
CN112034513AActive Publication Date: 2020-12-04CNOOC TIANJIN BRANCH +1
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[0035] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention are clearly and completely described below. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without making creative efforts belong to the protection scope of the present invention.
[0036] Such as Figure 1-5 As shown, this specific implementation mode takes the surrounding potential sand body 1 of the A sand body of the BZ oilfield in the eastern part of China as an example for further description.
[0037] Such as figure 2 , 4 As shown, the lower member of the Minghuazhen Formation in the BZ Oilfield is a shallow-water delta facies sedimentary strata, and the level of the oil formation is equivalent to the mid-cycle scale, in which the sand body A ...
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The invention relates to a quantitative evaluation method for the quantity of potential resources around a developed oil field, wherein the method comprises the following steps: a, analyzing the development rule of a reservoir around the developed oil field based on a high-resolution sequence stratigraphy evolution rule, and locking a favorable reservoir development position; b, searching for a seismic reflection interface corresponding to a medium-term cycle reference surface adjacent to the favorable reservoir development position depth, carrying out horizon interpretation, searching for potential sand bodies, and numbering the potential sand bodies; c, carrying out multi-factor analysis on the potential sand bodies, evaluating each potential sand body, and defining a potential reserve unit; and d, determining reserve calculation parameters of the potential reserve unit, and calculating the reserve of the potential sand bodies. The method can be widely applied to potential sand bodyreserve calculation of developed surrounding oil fields of offshore oil fields, and further exploration and development of the offshore oil fields are facilitated.
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technical field [0001] The invention relates to a quantitative evaluation method for potential resources around developed oil fields, belonging to the technical field of oil and gas field development. Background technique [0002] After years of development, offshore oil fields have gradually entered the "double high" development stage of high recovery and high water content, making it increasingly difficult to stabilize production. At the same time, with the continuous improvement of the degree of exploration, the difficulty of discovering new oil fields is increasing. In view of the fact that the periphery of the developed oilfield and the main area of the oilfield generally have similar accumulation conditions, it has a certain accumulation potential and is a favorable replacement area for the developed block. Therefore, based on the structural interpretation of the target oilfield and the conditions of reserve assessment and prediction, it is necessary to consider the...
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Patent Timeline
04 Dec 2020
Publication
CN112034513A
- IPC
- G01V1/28; G01V1/30
- CPC
- G01V1/282; G01V1/306; G01V2210/624; Y02A10/40
- Inventors
- 王海峰; 何明薇