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Earth Institute Research Projects

Quantifying borehole shapes in IODP Holes U1378A and U1379A from Density and Ultrasonic LWD Measurements

Lead PI: Dr. Alberto Malinverno

Unit Affiliation: Marine Geology & Geophysics, Lamont-Doherty Earth Observatory (LDEO)

May 2011 - February 2014
Inactive
Central America ; Costa Rica
Project Type: Research

DESCRIPTION: The project will analyze logging-while drilling (LWD) azimuthal measurements to determine best-fit orientation of borehole breakouts and estimate directional uncertainty.

SPONSOR:

Consortium for Ocean Leadership

ORIGINATING SPONSOR:

National Science Foundation

FUNDED AMOUNT:

$15,000

RESEARCH TEAM:

Saneatsu Saito

EXTERNAL COLLABORATORS:

Institute for Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan

PUBLICATIONS:

Malinverno, A., and Saito, S., Borehole breakout orientation from LWD data (IODP Exp. 334) and the present stress state in the Costa Rica Seismogenesis Project transect, Abstract T34C-07, 2013 AGU Fall Meeting, San Francisco, Calif., 9-13 Dec. 2013.

KEYWORDS

borehole breakouts costa rica seismogenesis project international ocean discovery program (iodp) marine geology and geophysics subduction zones logging while drilling