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May 29, 2026MineralsOpen Access

Development Mechanism of Ultra-Deep Effective Reservoirs in the Cretaceous Bashijiqike Formation of the Kelasu Structural Belt, Kuqa Depression, Tarim Basin

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Authors

LZLu ZhouState Key Laboratory of Oil and Gas Reservoir Geology and ExploitationXSXiaolong SunChina University of Petroleum, East ChinaHLHong LouState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation

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Implication

Investigates reservoir characteristics and development mechanisms in ultradeep gas reservoirs, suggesting significant geological influences.

Key Points

  • To understand the development mechanisms and controlling factors of effective ultra-deep reservoirs in the Bashijiqike Formation.
  • Core observation and various microscopic analyses including polarizing and scanning electron microscopy
  • X-ray diffraction analysis and tests for porosity and permeability
  • Imaging logging interpretation for reservoir petrology and fracture characteristics
  • The BZ8 and BZ9 reservoirs experienced weak paleostress with abundant intergranular pores (indicating lower compaction).
  • In contrast, the KS31 reservoir exhibited strong paleostress with negligible primary pores and well-developed fractures.
  • The study found a significant impact of structural positions on reservoir characteristics, affecting fluid seepage and dissolution processes.

Cite This Study

Zhou et al. (2026) studied this question.

synapsesocial.com/papers/6a192e39fab5b468c4417347https://doi.org/10.3390/min16060577
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