Title

Analysis of Correlations between Lab-Measured Porosity, Permeability and Well Logging-Determined Porosity, Permeability

Presenter Information

Xindi Sun

Department

Geosciences and Geological and Petroleum Engineering

Major

Petroleum Engineering

Research Advisor

Bai, Baojun

Advisor's Department

Geosciences and Geological and Petroleum Engineering

Funding Source

Missouri S& T Opportunities for Undergraduate Research Experiences (OURE) Program

Abstract

Permeability and porosity are two important parameters to evaluate target layers in C02 sequestration. Because of the high cost of taking core samples from reservoirs and technology difficulties, well logging, a visual method without touching cores is often used to analyze the porosity and permeability. In this research, permeability and porosity values determined from well logging are compared with lab-measured porosity and permeability values, to identify a correlation. Based on reasonable matrix density assumptions, well logging-determined porosities can match well with lab-measured data. Due to experimental limitation, lab-measured porosities for some cores are lower than well logging-determined data. Cementation factor, m, has a significant effect on irreducible water saturation, Swirr, which is used to estimate the permeability of target layers. Base on reasonable assumptions of m and Swirr, well logging-determined permeability can match well with lab-measured data.

Biography

Xindi is a senior student of Petroleum Engineering in MS& T She will graduate in December 2013. She is a transfer student from Northeast Petroleum University China. She is a member of SPE.

Research Category

Engineering

Presentation Type

Poster Presentation

Document Type

Poster

Location

Upper Atrium/Hallway

Presentation Date

03 Apr 2013, 1:00 pm - 3:00 pm

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Apr 3rd, 1:00 PM Apr 3rd, 3:00 PM

Analysis of Correlations between Lab-Measured Porosity, Permeability and Well Logging-Determined Porosity, Permeability

Upper Atrium/Hallway

Permeability and porosity are two important parameters to evaluate target layers in C02 sequestration. Because of the high cost of taking core samples from reservoirs and technology difficulties, well logging, a visual method without touching cores is often used to analyze the porosity and permeability. In this research, permeability and porosity values determined from well logging are compared with lab-measured porosity and permeability values, to identify a correlation. Based on reasonable matrix density assumptions, well logging-determined porosities can match well with lab-measured data. Due to experimental limitation, lab-measured porosities for some cores are lower than well logging-determined data. Cementation factor, m, has a significant effect on irreducible water saturation, Swirr, which is used to estimate the permeability of target layers. Base on reasonable assumptions of m and Swirr, well logging-determined permeability can match well with lab-measured data.