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Method for predicting production of shale gas well

A shale gas well and production prediction technology, applied in the direction of prediction, instrumentation, electrical digital data processing, etc., can solve the problems of unsuitable shale gas wells, reduce ambiguity, improve reliability, and improve history matching effect Effect

Active Publication Date: 2018-10-16
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

However, the existing production data analysis methods are not applicable to some shale gas wells, which makes the interpretation results of production data analysis highly uncertain and multi-solution

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  • Method for predicting production of shale gas well
  • Method for predicting production of shale gas well
  • Method for predicting production of shale gas well

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Embodiment Construction

[0056] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0057] Also, in the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without the specific details or in the particular manner described.

[0058] In addition, the steps shown in the flow dia...

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Abstract

A method for predicting production of shale gas well comprises: constructing a production regularization pseudo-pressure function of a well to be analyzed; according to the production regularization pseudo-pressure function, a double logarithmic plate drawing function is determined based on the cumulative output, and a production regularization pseudo-pressure double logarithmic plate is drawn based on the double logarithmic plate drawing function; according to the measured data obtained from the production regularization pseudo-pressure double logarithm chart or the production regularizationpseudo-pressure double logarithm chart to fit the production regularization pseudo-pressure double logarithm chart or the production regularization pseudo-pressure double logarithm chart, the parameters of shale gas wells to be analyzed are determined according to the fitting results of double logarithm chart and the historical fitting results of production and pressure; based on the preset shalegas well production prediction model, according to the relevant parameters of the shale gas well to be analyzed, the predicted output of the shale gas well to be analyzed is determined. The method improves the reliability of input parameters and ensures the accuracy of production forecasting results.

Description

technical field [0001] The invention relates to the technical field of exploration and development of shale gas wells, in particular to a production prediction method of shale gas wells. Background technique [0002] Well testing is based on the theory of seepage mechanics, using testing instruments as a means to study and determine the production capacity and physical parameters of test wells and oil, gas, and water layers by measuring production dynamic data such as oil, gas, water, and well pressure and production. As well as the technology of distinguishing the connection relationship between wells or layers, it plays an extremely important role in the exploration and development of new oil and gas fields and the dynamic adjustment of old areas. [0003] In order to understand the parameters of a specific well and the corresponding reservoir, according to the different data sources used, there are mainly two commonly used methods: pressure recovery well test (referred to...

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Application Information

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IPC IPC(8): G06F17/50G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06G06F30/367G06F2119/06
Inventor 庞伟张同义吴琼韩娟鸽杜娟艾爽贺英毛军邸德家
Owner CHINA PETROLEUM & CHEM CORP
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