TY  - BOOK
AU  - Conteh,Osman
AU  - Dindar,Hilmi
AU  - Akün,M.Ertan
TI  - DETERMINING THE DRILLING OPERATION  PARAMETERS WITH RESPECT TO THE  GEOLOGICAL AND GEOPHYSICAL DATA
PY  - 2023///
KW  - Drilling and boring
KW  - Dissertations, Academic
KW  - Geophysics
KW  - Geology
N1  - Thesis (MSc) - Cyprus International University. Institute of Graduate Studies and Research Petroleum and Natural Gas Engineering Department; Includes bibliography (sheets 74-78)
N2  - ABSTRACT
Drilling is a complex process that involves a multitude of variables that must be 
considered in order to achieve the best possible results. In particular, geological and 
geophysical data are critical to determining the drilling operation parameters, as they 
provide important insights into the subsurface conditions that the drill bit will 
encounter. Geological data provides information about the composition, structure, 
and stratigraphy of the subsurface rock formations. This data is typically obtained 
through geological surveys, well logs, and other forms of subsurface imaging. By 
analyzing this data, geologists can identify the types of rock formations that are 
present, as well as their depth, thickness, and other key characteristics. This 
information is then used to determine the appropriate drilling technique, such as 
rotary drilling, directional drilling, or hydraulic fracturing, as well as the drilling 
speed and depth. Geophysical data, the opposite hand, provides information about 
the physical properties of the subsurface rock formations, such as their density, 
porosity, and conductivity. This data is typically obtained through seismic surveys, 
magnetic surveys, and other forms of subsurface imaging. By analyzing this data, 
geophysicists can identify the location and extent of subsurface structures, such as 
faults, fractures, and other features that may affect the drilling operation. This 
information is then used to upgrade the drilling parameters, such as the drilling fluid 
type and viscosity, the size and type of the drill bit, as well as the bit weight. 
Together, geological and geophysical data play a critical role in determining the 
drilling operation parameters. By carefully analyzing these data sets, drilling 
engineers can develop a detailed understanding of the subsurface conditions and 
tailor the drilling parameters to maximize drilling efficiency and minimize 
operational risks. For example, if the geological data indicates the presence of hard, 
abrasive rock formations, a harder, more durable drill bit may be used, while if the 
geophysical data indicates the presence of soft, porous rock formations, a lighter 
weight on bit may be used to avoid drilling too deeply and causing damage. In 
addition to these data sets, drilling engineers must also consider a range of other 
variables when determining the drilling operation parameters, such as the drilling rig 
capabilities, environmental conditions, and safety considerations. By carefully 
balancing all of these variables, drilling engineers can achieve optimal drilling results 
and ensure a safe and efficient drilling operation.
Keywords: Drilling, Geological, Geophysical Operation, Parameters

ER  -