Calculation Method of Valid Period of Oil and Gas Well Stimulation Measures
A calculation method and technology of validity period, which are applied in the field of calculation of validity period of production stimulation measures of oil and gas wells, and can solve problems such as inaccurate determination of validity period of production stimulation measures.
Active Publication Date: 2022-03-01
PETROCHINA CO LTD
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[0005] In view of this, the present invention provides a method for calculating the validity period of stimulation measures for oil and gas wells to solve the problem of inaccurate determination of the validity period of production stimulation measures in the prior art
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[0036] In order to make the technical solutions and advantages of the present invention more clearly, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0037] The embodiment of the present invention provides a method of calculating the validity period of oil and gas well production measures, and the method flow chart is figure 1 As shown, the method includes:
[0038] Step 101: Depending on the statist start date and the validity statistics of the validity period to be tested, the date range of the well data is obtained, and the data within the date range is filtered, and data is greater than 0.
[0039] Prior to this step, the production data to be logged, wherein the production data includes the production date, the production time, Nissan oil volume, Nissan gas, the start date of the validity period, the termination date of the validity period, and the oil and gas production before the production me...
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The invention discloses a method for calculating the validity period of oil and gas well stimulation measures, which comprises: obtaining a plurality of pieces of data whose production time is greater than 0 according to the statistical start date and the valid period statistical termination date of the well to be measured; The data is numbered from small to large, and the oil and gas production value and the moving average of oil and gas production corresponding to each number are calculated; the moving average of each oil and gas production and the oil and gas production before production stimulation measures are calculated in sequence according to the number from large to small. Make a difference, and after each difference, judge whether the difference is less than or equal to 0; if the difference is less than or equal to 0, judge whether the number corresponding to the difference is the minimum value in the number, if so, the stimulation measures for the well to be logged Invalid; if not, continue to make a difference; if the difference is greater than 0, determine the validity period of the stimulation measure for the well to be logged. The method realizes accurate determination of the validity period of the production increase measure, and solves the problem of inaccurate determination of the validity period of the production increase measure in the prior art.
Description
Technical field [0001] The present invention relates to the field of oil and gas field development, and Background technique [0002] In the process of oil and gas field development, in order to achieve an increase in oil and gas wells, some production measures are needed. By evaluating the validity period of oil and gas well production measures, it can clearly know the effects of production measures, which is conducive to further development of oil and gas fields. [0003] Taking fracturing and acidification and production measures as an example, the industry standard "SY / T 5289-2016 oil, gas, water well fracture design and construction and effect evaluation method" is specified in the calculation method of the effective phase of oil and gas well fracturing results; " SY / T 6334-2013 Oil Water Well Acidification Design, Construction and Evaluation Specification specifies the effective phase of the acidification measures Validity period of the calculation. Oil and gas well fra...
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IPC IPC(8): E21B43/25
CPCE21B43/25
Inventor 王新红郑小雄宋友贵唐庆赵广天王栋
Owner PETROCHINA CO LTD