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- W2381263800 abstract "Xujiahe gas reservoir in the west of Sichuan basin has been buried deep and has dense rock and high pressure and poor matrix property in the 2nd member with low porosity and permeability,high content of quartz and sandstone in the 4th and 2nd member,lead to strong abrasive property and poor drillability. In this paper,it systematically analyzed the drilling difficulties and the current situation of the rate of penetration. The results show that the serious overbalance state significantly reduced the rate of penetration. Under the condition of near balance and liquid under balance,the rate of penetration did not receive obvious improvement. At the state of fluid injection with low pressure in gas underbalanced wells,it can increase the rate of penetration significantly with less confining pressure on rock." @default.
- W2381263800 created "2016-06-24" @default.
- W2381263800 creator A5006408560 @default.
- W2381263800 date "2015-01-01" @default.
- W2381263800 modified "2023-09-22" @default.
- W2381263800 title "Study on Engineering Geological Characteristics and Fast Drilling Methods of Xujiahe Formation Pingluoba Structure in West Area of Sichuan Basin" @default.
- W2381263800 hasPublicationYear "2015" @default.
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