Stage Definition and Recovery Calibration of Complex High-Water Cut Gas Wells in S Gas Field
The exploration and development of tight gas is a significant area of interest, yet the efficient development of this resource still faces considerable challenges. Statistical data indicate that China possesses approximately 1.5 × 1012 m3 of proven dense gas reserves, which are concentrated in areas...
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| Veröffentlicht in: | Processes 2024-10, Vol.12 (10), p.2107 |
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| creator | Ning, Pengzhan Nie, Xiangrong Deng, Dingtian Xiong, Jiao Wei, Benchi |
| description | The exploration and development of tight gas is a significant area of interest, yet the efficient development of this resource still faces considerable challenges. Statistical data indicate that China possesses approximately 1.5 × 1012 m3 of proven dense gas reserves, which are concentrated in areas with high water content and a low abundance of pores. This makes it challenging to utilise these reserves effectively and to extract them in a cost-effective manner. As exploration and development continue, numerous challenges emerge, including low production capacity, significant discrepancies between single gas wells, uncertain control reserves of horizontal gas wells, and the unclear distribution law of the remaining gas. In light of the aforementioned issues, this study examined a representative dense and high-water-bearing gas reservoir in the D gas wells region of the S gas field. The gas wells within the target gas block were classified and analysed. By elucidating the seepage mechanism of the dense and high-water-bearing gas reservoir and integrating it with the material balance equation, a recovery prediction method for the dense and high-water-bearing gas reservoir was devised. |
| doi_str_mv | 10.3390/pr12102107 |
| format | Article |
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Statistical data indicate that China possesses approximately 1.5 × 1012 m3 of proven dense gas reserves, which are concentrated in areas with high water content and a low abundance of pores. This makes it challenging to utilise these reserves effectively and to extract them in a cost-effective manner. As exploration and development continue, numerous challenges emerge, including low production capacity, significant discrepancies between single gas wells, uncertain control reserves of horizontal gas wells, and the unclear distribution law of the remaining gas. In light of the aforementioned issues, this study examined a representative dense and high-water-bearing gas reservoir in the D gas wells region of the S gas field. The gas wells within the target gas block were classified and analysed. 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Statistical data indicate that China possesses approximately 1.5 × 1012 m3 of proven dense gas reserves, which are concentrated in areas with high water content and a low abundance of pores. This makes it challenging to utilise these reserves effectively and to extract them in a cost-effective manner. As exploration and development continue, numerous challenges emerge, including low production capacity, significant discrepancies between single gas wells, uncertain control reserves of horizontal gas wells, and the unclear distribution law of the remaining gas. In light of the aforementioned issues, this study examined a representative dense and high-water-bearing gas reservoir in the D gas wells region of the S gas field. The gas wells within the target gas block were classified and analysed. 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| subjects | Classification Content analysis Economic aspects Exploration Fault lines Gas fields Gas wells Geology Material balance Moisture content Natural gas Natural gas reserves Permeability Production capacity Recovery Reserves Reservoirs Seepage Statistical analysis Water Water content |
| title | Stage Definition and Recovery Calibration of Complex High-Water Cut Gas Wells in S Gas Field |
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