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GEOREF RECORD

Deepwater geohazard prediction using prestack inversion of large offset P-wave data and rock model

N. C. Dutta
Deepwater geohazard prediction using prestack inversion of large offset P-wave data and rock model (in Pore pressure, Bob Bruce (prefacer))
Leading Edge (Tulsa, OK) (February 2002) 21 (2): 193-198

Abstract

Successful deepwater drilling is defined as reaching the total well depth in the desired hole size safely (i.e., not exceeding the fracture pressure) while controlling hydrocarbon or water influx and ensuring that casings are placed across desired intervals. The oil and gas industry has succeeded in this mission thousands of times around the world but drilling challenges abound, especially in deepwater. These challenges include: Smaller tolerance between pore pressure and fracture pressure causing narrow pressure margins while drilling (What is the proper mud weight window?); Shallow-water flow hazards due to pressured aquifer sands (How do you predict occurrence before spudding a well?); Excessive casing programs/small hole at total depth or unable to reach total depth (How do you design a proper casing program i.e., depths and sizes?); Slow rate of penetration and incorrect use of bit types combined with excessive bit wear (How do you minimize rig time without sacrificing safety?).


ISSN: 1070-485X
EISSN: 1938-3789
Serial Title: Leading Edge (Tulsa, OK)
Serial Volume: 21
Serial Issue: 2
Title: Deepwater geohazard prediction using prestack inversion of large offset P-wave data and rock model
Title: Pore pressure
Author(s): Dutta, N. C.
Author(s): Bruce, Bobprefacer
Affiliation: WesternGeco, Houston, TX, United States
Affiliation: BHP Petroleum, Houston, TX, United States
Pages: 193-198
Published: 200202
Text Language: English
Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States
Accession Number: 2002-020793
Categories: Economic geology, geology of energy sourcesApplied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sects., block diag.
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data supplied by Society of Exploration Geophysicists, Tulsa, OK, United States
Update Code: 200208
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