pre-stack processing 中文意思是什麼

pre-stack processing 解釋
疊前處理
  • stack : n 1 (麥桿等的)堆,垛;乾草堆。2 積材,層積,堆積;〈英國〉一堆〈木材等的計量單位,=108立方英尺...
  1. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校正和噪音壓制技術等;疊前拓寬地震資料領帶,包括振幅補償和疊前反褶積技術等;藉助高精度速度分析、剩餘靜校正和高次項nmo技術,通過多次覆蓋疊加,消除資料中隨機噪聲干擾、提高資料信噪比,尤其是高頻端反射信息的信噪比,改善高頻反射和弱反射信號信噪比,提高「高頻反射死亡線」 ;疊後有限反射頗帶識別、抬高優勢頻率等。
  2. So a new method, the cascade matched filtering processing technique characterized by pre - stack multi points, is proposed, which uses iteration before stack and utilizes stack to improve the stability of the matching operator to realize the consistency of the two kinds of source record

    該技術在疊前通過逐步逼近法,並利用疊加手段提高匹配運算元的穩定性,實現提高2種震源記錄一致性的目的。
  3. The research contents include the foundational research on petrophysics, the feasibility of 4 - d seismic in water driven reservoir, pre - stack and post - stack 4 - d seismic data processing, static reservoir description, 4 - d seismic interpretation and dynamic reservoir description

    研究內容涉及巖石物理基礎理論、水驅四維地震可行性分析、迭前和迭后四維地震資料。處理、靜態油藏描述和四維地震資料解釋與動態油藏描述等,取得了許多重要的研究成果。
  4. Finally, using the static reservoir description as the basis, pre - stack and post - stack 4 - d seismic data processing result as the constraint, the 4 - d seismic feasibility study as the evidence, began basic dynamic reservoir description in order to analyz

    最後,以地震靜態油藏描述為基礎,以迭前和迭后四維地震資料處理結果為約束,以四維地震可行性研究結論為依據,進行初步的油藏動態描述,主要分析注水前沿的推進過程。
  5. Fourthly, summarized the methods and the principals for pre - stack and post - stack 4 - d seismic data processing ; proposed the criteria for seismic data process ; built a set of processing flow. through the real data processing ( 029 fault block ), obtained reasonable results. the processed result was approved by the further production well

    第四,總結了迭前、迭后四維地震資料處理的方法與原理,針對高29斷塊的實際資料,提出了處理準則,建立了處理流程,獲得了良好的處理效果,並得到開發開發調整井的證實。
  6. It has been proved that application of forward model to pre - stack depth migration image is very helpful to improving image quality of seismic data processing

    事實證明,這種將模型正演應用於疊前深度偏移處理成像的方法對于提高地震資料處理的成像質量具有非常重要的作用。
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