Assignment Physical Properties Of Rocks
1. Physical Properties of Rocks:
1.1 Introduction
The performance of rock, under a particular condition depends upon physical and mechanical properties of rock materials. But we discuss only their physical properties here only. Physical properties are also called inherent properties or index properties, which describe the rock material and classify them which give information about the performance of rock material under different stress conditions. The different properties of rock depends on the size of rock mass On a megascale the structural properties of the rock mass, such as bedding,
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• Effect on Dielectric property of rocks and presence of water in the pores of rock.
• Location of ground water reservoir.
1.2.7 Thermal properties
These are the most important properties for engineers, especially for tunnels and underground openings such as power houses.
• Knowledge of thermal expansion and contraction of rock mass is essential.
• Frequent change of temperature of rock makes it weaker. Thermal conductivity=K=Qx/At(T2-T1) (Eq.1.6) Q=amount of heat transferred through an area A T2-T1=temperature difference
1.2.8 Swelling
It is defined as” an increase in volume of the mass due to suction of water or due to contact of water for a longer
This is related to the blending of the fluids and rocks of the reservoir. Skeletal properties of interest to reservoir engineers include porosity, pore size distribution, compressibility, and absolute permeability of the rod. Interaction or dynamic properties of reservoir rocks are affected by the nature and by its interaction with present fluids, as...
Geoscientist's use a combination of qualitative and quantitative properties to classify and categorize rocks and minerals. There are six qualitative properties that are used to identify rocks and minerals: Color, Lustre, Streak, Texture, Cleavage, and Hardness. A sample of rock that can be found in the
“Employees who believe that management is concerned about them as a whole person - not just an employee - are more productive, more satisfied, more fulfilled. Satisfied employees mean satisfied customers, which leads to profitability” (Mulcahy, n.d.). One Smooth Stone is a leader and front runner in their management styles. They are an exemplary example of an open system management company.
Within Colorado’s borders lies the home of 104,185 square miles of geology. Within those 104,185 square miles you will find many different types of sedimentary, igneous, and metamorphic rocks. Colorado is split into five physiographic provinces: the Middle Rocky Mountains, the Wyoming Basin, the Colorado Plateau, the Southern Rocky Mountains, and the Great Plains (“Physiographic,” 2013). Inside these provinces are millions of years worth of geological time that tell a story of volcanic eruptions, uplift and erosion, deposition, and metamorphism.
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states that "a body immersed in a fluid is buoyed up by a force equal the weight
Plasticity index of soil: soil suction will be greater in a soil which has greater plasticity index than in the one which has lower plasticity index.
The Rock Cycle The Rock Cycle is a group of changes. Igneous rock can change into
Rock and fluid properties are the building blocks in any reservoir engineering study that lead to the formulation of a successful reservoir management strategy. Sometimes the study involves the estimation of oil and gas reserves based on a simple analytical approach, as demonstrated in this chapter. On a separate note, performance prediction of oil and gas reservoir is done by multidimensional simulation models and robust multiphase. Regardless of the study and related complexity, the reservoir engineer must have a sound understanding of the rock properties involved. What is more important is the knowledge of the variability of rock properties throughout the reservoir and how heterogeneous reservoirs perform in the real world. It is a common observation that rock properties vary from one location to another in the reservoir, often impacting reservoir performance. Some reservoir analyses are based on the assumption that a reservoir is homogeneous and isotropic, implying that the rock properties are nonvariant and uniform in all directions. In fact these conditions are so idealized that are rarely met in the field. Various geologic and geochemical processes leave imprints on a reservoir over millions of years, leading to the occurrence of reservoir heterogeneities that are largely unknown prior to oil and gas production. For example, the occurrence...
So far in science class we have learned about astronomy, geology, oceanography, and the rock cycle. Astronomy is the study of the universe .Geology is the study of earths physical features. And oceanography is the study of the earths ocean. The rock cycle is the study of rocks and how they form.
Rock – any solid material having a unique inorganic and/or organic composition. It forms the part of the surface of the earth and some planets. It has three types, igneous, sedimentary, and sedimentary rock.
Stone is a naturally occurring combination of minerals found in the outer solid layer of the earth. Stone is classified into three main categories:
Porosity is a measure of how much of a rock is open space. It also is a measure of its ability to hold a fuild. The porosity can be between grains or within cracks, or cavities of the rock.
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Due to the fact that rocks are composed of high intensity of elastic and brittle material, they therefore store considerable amount of strain energy that results from elasticity, during the action of plate tectonic. The brittleness leads to development of concurrent cracks on the rocks as a result of plate’s action.