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Acoustic impedance calculation by Colored Inversion method using Python programming language

Работа №36029
Тип работыДипломные работы, ВКР
Предметгеология и минералогия
Объем работы20
Год сдачи2019
Стоимость4900 руб.
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TABLE OF FIGURES ....................................................................................................................2
INTRODUCTION...........................................................................................................................4
CHAPTER 1. Geological and geophysical studies of the oil field under study..............................5
CHAPTER 2. Stratigraphy ..............................................................................................................7
CHAPTER 3. Hydrocarbon reserves.............................................................................................11
CHAPTER 4.Tectonics .................................................................................................................13
CHAPTER 5. Coloured Inversion.................................................................................................14
REFERENCES ..............................................................................................................................20

The thesis contains a description of the Geology of one of the deposits of the Republic of
Tatarstan, General information about the area of work, geological and geophysical studies, physical
and geological sketch of the area of work ( stratigraphy, tectonics, lithology, oil).
In Tatarstan, about 23.8% of proven oil reserves are confined to carbonate reservoirs.
Development of potential oil resources in the Republic of Tatarstan in carbonate reservoirs is low
and is only 7.9-9.5%, so the study of carbonate reservoirs is given great attention. In this thesis the
objects of study were carbonate rocks of the Bashkir tier of the South-East of Tatarstan – the
Eastern side. In the study area in sediments of the middle Carboniferous is established an oil
Deposit is confined to the designed to Vereisky and Bashkirian deposits. They are represented by
porous-cavernous-fractured limestone differences with layers of Dolomites and dolomitized
limestones. The share of caverns in the total rock capacity varies from 0.03 to 0.06 units. Caverns,
as a rule, are confined to fractured areas of rocks and developed throughout the section of
productive horizons.
The thesis studied the process of calculation of acoustic impedance by the method of "Color
inversion" using Python programming language

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I have presented a straightforward application of CI using only Python with the NumPy and
SciPy libraries. This open-source workflow is documented at Internet resources. It is called a
“robust” process in the literature, but it is somewhat sensitive to the chosen frequency range. There
are also choices to be made about the window of application and the number of traces used to
compute the seismic spectrum. Notwithstanding all this, the process is simple and fast and yields
informative images to interpreters.


Lancaster, S., and D. Whitcombe, 2000, Fast-track ‘coloured’ inversion: 70th Annual
International Meeting, SEG, Expanded Abstracts, 1572–1575.
2. Sørensen, J. C., U. Gregersen, M. Breiner, and O. Michelsen, 1997, High frequency sequence
stratigraphy of upper Cenozoic deposits: Marine and Petroleum Geology, 14, no. 2, 99–123.
3. Overeem, I, G. J. Weltje, C. Bishop-Kay, and S. B. Kroonenberg, 2001, The Late Cenozoic
Eridanos delta system in the Southern North Sea Basin: A climate signal in sediment supply?:
Basin Research, 13, no. 3, 293–312.
4. Walden, A. T., and J. W. J. Hosken, 1985, An investigation of the spectral properties of
primary reflection coefficients: Geophysical Prospecting, 33, no. 3, 400–435.
5. Shubin A. V. The methodology of studying the complex structure of natural reservoirs on the
basis of petropoulou modeling and inversion of seismic data: Techn. Sciences: 25.00.10. M.:
Russian State University of oil and gas. I. M. Gubkina, 2014
6. Geology of Tatarstan: Stratigraphy and tectonics. — Moscow: GEOS, 2003. — 402 sec.
7. Bulgakov M. Yu. Seismogeological report on Akan field, 2008.

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