Thesis (MSc) - Cyprus International University. Institute of Graduate Studies and Research Petroleum and Natural Gas Engineering Department

Includes bibliography (sheets 71-73)

ABSTRACT
This study investigates the relationship between the sandstone and limestone of the
Bes paramati Mountains in North Cyprus and prospective drilling performance
characteristics. To increase the effectiveness and productivity of drilling activities in
the area, the study intends to establish a relationship between rock qualities and drilling
performance. This study examines distinct sandstone, limestone, and other types of
rock's qualities. Porosity, density, and grain size distribution are the characteristics that
will be examined, along with their interactions with drilling fluid parameters, bit wear,
and penetration rates. X-ray diffraction (XRD) technology will be used in this study to
examine the mineral makeup of bentonite and limestone. In order to determine the
mineralogical composition of the samples—which is essential for comprehending their
geological and industrial properties—the study studies their crystalline structure. The
research revealed that the features of the rock can be exploited to enhance drilling
operations and have a major impact on drilling performance. The study also contrasts
the outcomes of the sandstone and limestone of the Bes Paramati Mountains with those
of a comparable investigation in Nigeria. The comparison emphasizes the necessity
for region-specific drilling tactics by highlighting the differences in rock
characteristics and drilling efficiency between the two locales. According to the XRD
findings, smectite minerals, including montmorillonite, make up the majority of the
bentonite sample while calcite makes up the majority of the limestone sample. The
study also looks at additional minerals that might be present in the samples, like mica,
feldspar, and quartz in the bentonite sample, and dolomite and aragonite in the
limestone sample.
Overall, the study sheds important light on the relationship between the characteristics
of rocks and drilling performance metrics and emphasizes the significance of regionspecific drilling tactics for effective and successful drilling operations. Overall, the
research offers insightful information regarding the mineral structure and
crystallographic characteristics of bentonite and limestone, two common industrial
materials used in drilling, building, and agriculture. The XRD data can be utilized to
optimize the performance and efficiency of these minerals in a variety of applications.
In order to provide a more thorough understanding of the samples' mineral
composition, the study additionally examines the samples' crystallographic
characteristics, such as lattice constants, interplanar spacing, and the locations of
diffraction peaks.
Keywords: Bentonite, Composition, Crystalline, Density, Drilling, Limestone,
Porosity, Rock Properties, Sandstone, X-Ray Diffraction.