A review of prediction methods for fluvial sand boundary

DENG Linping; DING Feng; LIN Longbo; YIN Cheng; ZHANG Dong; LIU Jiawei

doi:10.16028/j.1009-2722.2021.186

2022 Vol. 38, No. 3

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Article navigation > Marine Geology Frontiers > 2022 > 38(3): 59-64

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DENG Linping, DING Feng, LIN Longbo, YIN Cheng, ZHANG Dong, LIU Jiawei. A review of prediction methods for fluvial sand boundary[J]. Marine Geology Frontiers, 2022, 38(3): 59-64. doi: 10.16028/j.1009-2722.2021.186

Citation:

DENG Linping, DING Feng, LIN Longbo, YIN Cheng, ZHANG Dong, LIU Jiawei. A review of prediction methods for fluvial sand boundary[J]. Marine Geology Frontiers, 2022, 38(3): 59-64. doi: 10.16028/j.1009-2722.2021.186

A review of prediction methods for fluvial sand boundary

1.
School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China
2.
Sichuan Pinnacle Geological Exploration Technology Co. Ltd., Chengdu 610500, China
3.
Hunan Geo-sun High Technology Limited Company, Changsha 410023, China

Received Date: 27 September 2021

Publish Date: 28 March 2022

Abstract

Abstract

In the middle and late stages of offshore oil field development, prediction and delineation of fluvial sand body boundaries become a key problem to be solved for tapping out remaining oil. Comparing to the large well spacing offshore, fluvial sand bodies are too small to be identified with conventional logging and seismic methods commonly used in the onland areas with dense well networks. Based on the seismic attributes which can reflect the lateral spreading of sand bodies, using the methods of joint bilateral filtering, Otsu adaptive threshold processing and morphological algorithm to improve the Canny operator, a set of adaptive and high-precision prediction methods for fluvial sand body boundaries are proposed in this paper. From the depositional characteristics and evolution pattern of fluvial-facies sand bodies, forward models are established to verify the effectiveness of the method mentioned above. The method applied to the target layer in the Q Oilfield of the Bohai Sea is successful.
- fluvial sand body boundary /
- remaining oil /
- joint bilateral filtering /
- Otsu /
- morphological algorithm /
- Canny

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References

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