Underbalanced drilling in depleted formation achieves great success: A case study

A. Shadravan, M. Khodadadian, A. Roohi, Mahmood Amani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The drilling technologies have evolved over the years. The prime reasons for the advancements in these technologies are the ever increasing demand for energy and the increase in energy price. Underbalanced drilling (UBD) is gaining popularity as a drilling methodology to overcome some of the problems encountered in conventional overbalanced drilling. UBD was initially adopted for resolving drilling problems; it is defined as a drilling operation where the pressure of the circulating drilling fluid is lower than the pore pressure of the target formation of interest. By far, it has also been proved that the advantages of underbalanced drilling are most evident in depleted reservoirs. Well Parsi 70 was the 3rd well of National Iranian Drilling Company (NIDC) UBD campaign in Parsi oil field. Well PR 70 is the first well that produced while drilling.

Original languageEnglish
Title of host publication1st International Petroleum Conference and Exhibition
PublisherEuropean Association of Geoscientists and Engineers, EAGE
Publication statusPublished - 2009
Externally publishedYes
Event1st International Petroleum Conference and Exhibition - Shiraz, Iran, Islamic Republic of
Duration: 4 May 20096 May 2009

Other

Other1st International Petroleum Conference and Exhibition
CountryIran, Islamic Republic of
CityShiraz
Period4/5/096/5/09

Fingerprint

Underbalanced drilling
Drilling
drilling
Drilling fluids
Pore pressure
Oil fields
drilling fluid
pore pressure
oil field
energy

ASJC Scopus subject areas

  • Geochemistry and Petrology

Cite this

Shadravan, A., Khodadadian, M., Roohi, A., & Amani, M. (2009). Underbalanced drilling in depleted formation achieves great success: A case study. In 1st International Petroleum Conference and Exhibition European Association of Geoscientists and Engineers, EAGE.

Underbalanced drilling in depleted formation achieves great success : A case study. / Shadravan, A.; Khodadadian, M.; Roohi, A.; Amani, Mahmood.

1st International Petroleum Conference and Exhibition. European Association of Geoscientists and Engineers, EAGE, 2009.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shadravan, A, Khodadadian, M, Roohi, A & Amani, M 2009, Underbalanced drilling in depleted formation achieves great success: A case study. in 1st International Petroleum Conference and Exhibition. European Association of Geoscientists and Engineers, EAGE, 1st International Petroleum Conference and Exhibition, Shiraz, Iran, Islamic Republic of, 4/5/09.
Shadravan A, Khodadadian M, Roohi A, Amani M. Underbalanced drilling in depleted formation achieves great success: A case study. In 1st International Petroleum Conference and Exhibition. European Association of Geoscientists and Engineers, EAGE. 2009
Shadravan, A. ; Khodadadian, M. ; Roohi, A. ; Amani, Mahmood. / Underbalanced drilling in depleted formation achieves great success : A case study. 1st International Petroleum Conference and Exhibition. European Association of Geoscientists and Engineers, EAGE, 2009.
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