射孔深度數(shù)據(jù)計(jì)算機(jī)處理技術(shù)
本文選題:射孔深度數(shù)據(jù)處理 + 自動(dòng)化標(biāo)圖校深; 參考:《東北石油大學(xué)》2017年碩士論文
【摘要】:針對(duì)射孔深度數(shù)據(jù)計(jì)算工作目前仍靠人工操作現(xiàn)狀,調(diào)研了射孔深度數(shù)據(jù)計(jì)算機(jī)處理技術(shù)在國(guó)內(nèi)外油田的發(fā)展應(yīng)用情況,結(jié)合前人研究成果和本單位生產(chǎn)實(shí)際,設(shè)計(jì)了射孔深度數(shù)據(jù)計(jì)算機(jī)處理系統(tǒng)主要功能和實(shí)現(xiàn)方法。對(duì)不同格式的測(cè)井原始曲線數(shù)據(jù)進(jìn)行預(yù)處理,包括各采油廠測(cè)井?dāng)?shù)據(jù)格式解編,套前、套后曲線采樣點(diǎn)匹配,曲線回放對(duì)比等。射孔深度數(shù)據(jù)計(jì)算主體內(nèi)容為接箍標(biāo)注和深度校正。運(yùn)用相對(duì)幅值法識(shí)別接箍信號(hào)主峰,計(jì)算接箍深度及套管長(zhǎng)度,以實(shí)現(xiàn)自動(dòng)化標(biāo)圖。設(shè)計(jì)自然伽馬尖峰校深和層位校深兩種深度校正方法。通過陡度和偏度計(jì)算,識(shí)別符合校深標(biāo)準(zhǔn)的自然伽馬尖峰。通過微電極曲線幅度差、自然伽馬曲線負(fù)異常以及小層數(shù)據(jù)共同確定對(duì)比層位。自動(dòng)化計(jì)算成果直接應(yīng)用于射孔現(xiàn)場(chǎng),使現(xiàn)場(chǎng)得到能同步對(duì)比回放的接箍曲線和直接指導(dǎo)現(xiàn)場(chǎng)施工的深度數(shù)據(jù)。聯(lián)炮圖優(yōu)化設(shè)計(jì)方面,革新聯(lián)炮圖設(shè)計(jì)理論方法,實(shí)現(xiàn)充分射開油層,合理控制射孔器材成本,減輕裝炮勞動(dòng)強(qiáng)度,提高施工標(biāo)準(zhǔn)化程度的目的。通過本研究?jī)?nèi)容,實(shí)現(xiàn)了射孔深度數(shù)據(jù)計(jì)算機(jī)處理,在大慶油田推廣使用,提高射孔深度數(shù)據(jù)計(jì)算效率,保證計(jì)算精度,降低射孔施工難度。
[Abstract]:In view of the fact that the calculation of perforation depth data still depends on manual operation at present, the development and application of computer processing technology of perforation depth data in oil fields at home and abroad are investigated. The main function and realization method of computer processing system for perforation depth data are designed. The original log curve data with different formats are preprocessed, including log data format unmarshalling, sampling point matching before and after casing, curve playback and contrast, etc. The main content of perforation depth data calculation is hoop marking and depth correction. The relative amplitude method is used to identify the main peak of the coupling signal and to calculate the coupling depth and casing length in order to realize the automatic drawing. Two depth correction methods, natural gamma spike depth correction and horizon depth correction, are designed. Through the calculation of steepness and skewness, the natural gamma peak which conforms to the calibration standard is identified. The contrast layer is determined by the amplitude difference of microelectrode curve, the negative anomaly of natural gamma curve and the small layer data. The automatic calculation results are directly applied to the perforation site, which can synchronously compare the hoop curves and direct the depth data of construction. In the aspect of optimal design of joint gun drawing, the aim of innovating the theory and method of joint gun drawing design is to achieve the purpose of fully shooting oil layer, reasonably controlling the cost of perforating equipment, reducing the labor intensity of loading gun, and improving the degree of construction standardization. Through this research, computer processing of perforation depth data is realized, which is popularized and used in Daqing Oilfield. It improves the efficiency of perforation depth data calculation, ensures the calculation accuracy and reduces the difficulty of perforation construction.
【學(xué)位授予單位】:東北石油大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TE257.1
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