A method for predicting oil and gas reserve growth of a complex rift basin

A technology for oil and gas reserves, applied in the field of oil and gas exploration, can solve problems such as inability to accurately predict the growth of oil and gas reserves in complex fault-depression basins, and achieve the effect of rational exploitation and accurate prediction

Active Publication Date: 2019-03-05
PETROCHINA CO LTD
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  • Description
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Problems solved by technology

[0005] The method provided by the existing technology cannot accuratel

Method used

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  • A method for predicting oil and gas reserve growth of a complex rift basin
  • A method for predicting oil and gas reserve growth of a complex rift basin
  • A method for predicting oil and gas reserve growth of a complex rift basin

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Embodiment 1

[0104] This embodiment provides a method for predicting the growth of oil and gas reserves in complex faulted basins, the method includes:

[0105] Step 101. Taking a certain exploration area in a complex faulted basin in eastern my country as the target complex faulted basin, and obtaining the exploration parameters of the target complex faulted basin from 1964 to 1996, the exploration parameters include: the actual The number of wells drilled, the industrial oil and gas flow of corresponding wells, the actual oil and gas reserve increment over the years, etc.

[0106] Step 102. According to the actual number of wells drilled each year, industrial oil flow, and actual oil and gas reserve increment each year in the exploration parameters from 1964 to 1996, a histogram of actual oil and gas reserve increment and year is established, as shown in the attached Picture 1-1 As shown, and the histograms of the actual number of wells drilled, industrial oil and gas flows and years are ...

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Abstract

The invention discloses a method for predicting oil and gas reserve growth of a complex rift basin, belonging to the field of oil and gas exploration. The method comprises the following steps of obtaining the exploration parameters within the first preset year range of the target complex fault basin as the first sample, wherein the exploration parameters include actual drilling parameters and actual oil and gas reserve increment; according to the first sample, establishing the actual oil and gas reserve increment and the first and second relationship between the actual drilling parameters andthe year; in accordance with a first relationship and the second relation, establishing the prediction model of oil and gas reserve growth in the target complex rift basin, obtaining the simulated oiland gas reserve increment of the target complex rift basin over the years and comparing with the actual oil and gas reserve increment of the same year respectively; when the relative error of the twois within the preset range, using the oil and gas reserve growth prediction model to predict the future oil and gas reserve growth of the target complex rift basin. The method can accurately predictthe increase of the oil and gas reserves in the target complex faulted basin.

Description

technical field [0001] The invention relates to the field of oil and gas exploration, in particular to a method for predicting the growth of oil and gas reserves in complex faulted basins. Background technique [0002] With the development and in-depth research of oilfields, the oil and gas reserves of oilfields generally show an increase. The prediction of the increase in oil and gas reserves is of great significance for oil companies to efficiently exploit oil and their later development plans. my country's large and medium-sized oil fields are mainly distributed in complex faulted basins. However, the types of oil and gas reservoirs in complex faulted basins are complex, and it is not easy to predict the increase in oil and gas reserves, which is not conducive to the development of oil and gas reservoirs in complex faulted basins. , and is not conducive to the development of oil companies. Based on the above, it is necessary to provide a method for predicting the growth o...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/02
CPCG06Q10/04G06Q50/02
Inventor 刘国全邹磊落肖敦清贾丽汪津张绍辉王冠米兴夺王雅杰曾建宏陈宪保聂国振
Owner PETROCHINA CO LTD
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