Determination of Direction and Magnitude of in Situ Stresses by Borehole Breakout Method in an Oil well in the Southwest of Iran

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NAJIBI ALIREZA; GHAFOORI MOHAMMAD; LASHKARIPOUR GHOLAMREZA; ASEF MOHAMMAD REZA

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Journal: JOURNAL OF ENGINEERING GEOLOGY Year:2018 | Volume:11 | Issue:4 Page(s): 455-470

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Information Journal Paper

Title

Determination of Direction and Magnitude of in Situ Stresses by Borehole Breakout Method in an Oil well in the Southwest of Iran

Author(s)

NAJIBI ALIREZA | GHAFOORI MOHAMMAD | LASHKARIPOUR GHOLAMREZA | ASEF MOHAMMAD REZA | Issue Writer Certificate

Keywords

In situ stressQ1

Borehole BreakoutQ1

GeomechanicsQ1

FractureQ2

AhwazQ2

Abstract

Introduction Determination of In situ stress-direction and magnitude are prerequisite for any oil well drilling and oil field development such as hydraulic fracturing. One of the simplest and most widely used methods is called Borehole Breakout analysis. Breakouts are compression Fractures made in the direction of minimum horizontal In situ stress (Sh), if drilling mud pressure be lower than optimum mud pressure. Some borehole imaging logs such as FMI, FMS and UBI are appropriate tools for wellbore Fracture detection. These Fractures are distinguished in the logs as dark and symmetrical points (or lines) on both sides of the well and are used as an indicator for In situ stress studies. The size and shape of these Fractures are strongly depend on the magnitude of the In situ stress. Therefore, many researchers suggested that by analyzing the geometric shape of the Borehole Breakout is an appropriate technique for estimation of In situ stress components...

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APA: Copy

NAJIBI, ALIREZA, GHAFOORI, MOHAMMAD, LASHKARIPOUR, GHOLAMREZA, & ASEF, MOHAMMAD REZA. (2018). Determination of Direction and Magnitude of in Situ Stresses by Borehole Breakout Method in an Oil well in the Southwest of Iran. JOURNAL OF ENGINEERING GEOLOGY, 11(4 ), 455-470. SID. https://sid.ir/paper/186365/en

Vancouver: Copy

NAJIBI ALIREZA, GHAFOORI MOHAMMAD, LASHKARIPOUR GHOLAMREZA, ASEF MOHAMMAD REZA. Determination of Direction and Magnitude of in Situ Stresses by Borehole Breakout Method in an Oil well in the Southwest of Iran. JOURNAL OF ENGINEERING GEOLOGY[Internet]. 2018;11(4 ):455-470. Available from: https://sid.ir/paper/186365/en

IEEE: Copy

ALIREZA NAJIBI, MOHAMMAD GHAFOORI, GHOLAMREZA LASHKARIPOUR, and MOHAMMAD REZA ASEF, “Determination of Direction and Magnitude of in Situ Stresses by Borehole Breakout Method in an Oil well in the Southwest of Iran,” JOURNAL OF ENGINEERING GEOLOGY, vol. 11, no. 4 , pp. 455–470, 2018, [Online]. Available: https://sid.ir/paper/186365/en

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