The interpretative processing technology and its application of small-scale fracture-cave prediction

Li, Xiangwen; Shu, Zhan; Liu, Yonglei; Li, Lei; Chunfeng, Tao

doi:10.1190/carbonate2017-36

Cited by 2 publications

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“…The strong "beaded" reflection is well-matched with high-yield oil and gas wells (oil production rate of about 100 tons/day) [6,7]. They are relatively easy to be identified in seismic profiles [12][13][14][15]. It is puzzling that with the deepening of exploration and development, the number of strong "beaded" reflections available for drilling is rapidly decreasing.…”

Section: Introductionmentioning

confidence: 99%

Seismic Wave Field Anomaly Identification of Ultra-Deep Heterogeneous Fractured-Vuggy Reservoirs: A Case Study in Tarim Basin, China

et al. 2021

Applied Sciences

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Ultra-deep (7500–9000 m) Ordovician tight limestone heterogeneous fractured-vuggy reservoir is an important target of FuMan Oilfield in Tarim Basin. The strike-slip fault controlled reservoir is related to formation fracture and dissolution caused by geological stress. The seismic wave-field anomaly characteristics with different energy and irregular waveform are displayed in the seismic profile. Accurate identification of fractured-vuggy reservoirs wrapped in tight limestone is the direct scheme to improve production efficiency. Therefore, a new combination method flow of seismic wave-field anomaly recognition is proposed. In this process, the seismic data must be preprocessed initially, and on this basis, robust formation dip scanning is carried out. Secondly, the dip data is applied to the transverse smoothing filter to obtain the formation background data. Eventually, the seismic wave-field anomaly data is the residual between background data and original seismic data. This method has been applied in blocks with different structural characteristics and can effectively improve the resolution of strike-slip fault controlled reservoirs. Based on the results, the drilling success rate is increased to more than 95%, and the high-yield rate of oil tests is increased to 75% in 2021. Multiple applications indicate that the method is robust and can be popularized.

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Section: Introductionmentioning

confidence: 99%

Seismic Wave Field Anomaly Identification of Ultra-Deep Heterogeneous Fractured-Vuggy Reservoirs: A Case Study in Tarim Basin, China

et al. 2021

Applied Sciences

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Heterogeneous reservoir prediction of ultra-deep strike-slip fault-damaged zone constrained with local seismic anomaly data

Feng

et al. 2022

Earth Sci Inform

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The interpretative processing technology and its application of small-scale fracture-cave prediction

Cited by 2 publications

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Seismic Wave Field Anomaly Identification of Ultra-Deep Heterogeneous Fractured-Vuggy Reservoirs: A Case Study in Tarim Basin, China

Seismic Wave Field Anomaly Identification of Ultra-Deep Heterogeneous Fractured-Vuggy Reservoirs: A Case Study in Tarim Basin, China

Heterogeneous reservoir prediction of ultra-deep strike-slip fault-damaged zone constrained with local seismic anomaly data

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