Low Pressure Under-balanced Drilling—A New Approach in Exploratory Drilling

doi:10.3863/j.issn.1000-2634.1998.03.011

西南石油大学学报(自然科学版) ›› 1998, Vol. 20 ›› Issue (3): 38-44.DOI: 10.3863/j.issn.1000-2634.1998.03.011

• 钻采工艺与设备 • Previous Articles Next Articles

Low Pressure Under-balanced Drilling—A New Approach in Exploratory Drilling

Luo Ping-ya Meng Ying-feng

( Centre for Well Completion Technique SWPI, Sichuan, 637001)

Received:1998-03-07 Revised:1900-01-01 Online:1998-08-20 Published:1998-08-20
Contact: Luo Ping-ya

Abstract

Abstract: The development and application of under-bal-anced drilling in abroad are reviewed, and the exist-ing problems of this technology are discussed. Based
on these, the technology of low pressure drilling, an integration of special drilling fluid (air, aerated flu-id, special foam, light fluid), special pressure con-
trol (balanced, underbalanced, overbalanced), low head pressure and special temporary plugging, is suggested.

Key words: Underbalanced drilling, Problems, Low pressure, Drilling fluid, Pressure control, Temporary plugging

CLC Number:

TE249.1

Luo Ping-ya Meng Ying-feng. Low Pressure Under-balanced Drilling—A New Approach in Exploratory Drilling[J]. 西南石油大学学报(自然科学版), 1998, 20(3): 38-44.

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Low Pressure Under-balanced Drilling—A New Approach in Exploratory Drilling

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