scholarly journals Mechanism and modelling of CO 2 corrosion on downhole tools

2019 ◽  
Vol 6 (4) ◽  
pp. 181899 ◽  
Author(s):  
Jigang Wang ◽  
Lihui Meng ◽  
Zhenzhong Fan ◽  
Qingwang Liu ◽  
Zhineng Tong
Keyword(s):  
Oil And Gas ◽  
Influential Factors ◽  
Localized Corrosion ◽  
X Ray Diffraction ◽  
Corrosion Failure ◽  
Oil And Gas Exploration ◽  
Oil And Gas Fields ◽  
Metal Rubber ◽  
Corrosion Mechanisms ◽  
Gas Fields

The conditions surrounding oil and gas exploration are becoming more hazardous, especially in oil and gas fields with a high quantity of corrosive components such as CO 2 . CO 2 causes localized corrosion of tools made from metal, rubber and other materials in humid environments; this leads to corrosion failure in metal equipment and downhole tools such as drills pipes, casings and oil pipes, thereby reducing their service life. In this study, the composition, lattice and crystalline forms of corrosion products and corroded materials were analysed using scanning electron microscopy, energy spectrum analysis, X-ray diffraction and polarization curves, in order to investigate the corrosion mechanisms and influential factors for several common tool materials. A CO 2 corrosion model was established for two materials and the results were verified with optimal prediction values.

Clay Mineral Alteration in Oil and Gas Fields: Integrated Analyses of Surface Expression, Soil Spectra, and X-Ray Diffraction Data

2020 ◽  
Vol 46 (2) ◽  
pp. 237-251
Author(s):  
Tri Muji Susantoro ◽  
Asep Saepuloh ◽  
Fitriani Agustin ◽  
Ketut Wikantika ◽  
Agus Handoyo Harsolumakso
Keyword(s):  
Clay Mineral ◽  
Diffraction Data ◽  
Oil And Gas ◽  
Surface Expression ◽  
X Ray Diffraction ◽  
X Ray ◽  
Oil And Gas Fields ◽  
Mineral Alteration ◽  
Gas Fields

scholarly journals Where and How Can We Find New Sources of Oil and Gas?

Eos ◽  
2017 ◽  
Vol 98 ◽  
Author(s):  
Said Gaci ◽  
Olga Hachay
Keyword(s):  
Oil And Gas ◽  
Oil And Gas Exploration ◽  
Oil And Gas Fields ◽  
Gas Fields

The editors of a new book on oil and gas exploration describe developments in methods for identifying oil and gas fields, and for making accurate predictions about their extractive potential.

Characteristics of oil and gas exploration and development costs oil and gas fields

2021 ◽  
Vol 11 (6) ◽  
pp. 343-352
Author(s):  
Zakirov Alimdjan Abdurakhimovich ◽  
Makhkamova Mamlakat Abdukadirovna ◽  
Zakirov Ravshan Tulkunovich ◽  
Zakirov Azamjon Alimdjanovich
Keyword(s):  
Oil And Gas ◽  
Oil And Gas Exploration ◽  
Oil And Gas Fields ◽  
Development Costs ◽  
Gas Fields ◽  
Exploration And Development

scholarly journals REGARDING REAL PROSPECTS FOR DISCOVERING NEW DEPOSITS AND INCREASING OIL AND GAS PRODUCTION IN THE WESTERN REGION OF UKRAINE

2019 ◽  
pp. 7-19
Author(s):  
L. S. Monchak ◽  
S.H. Anikeiev ◽  
G.O. Zhuchenko ◽  
T. V. Zderka ◽  
Yu. L. Monchak ◽  
...  
Keyword(s):  
Cross Sections ◽  
Oil And Gas ◽  
Gas Production ◽  
Gas Content ◽  
Western Region ◽  
Oil And Gas Production ◽  
Oil And Gas Exploration ◽  
Oil And Gas Fields ◽  
The Western Region ◽  
Gas Fields

The article deals with the research of the potential of oil-and-gas content within the Western Ukrainian oil and gas region.  The main directions and ways of increasing oil and gas production are determined. Consequently, the discovery of new hydrocarbon fields is the major direction to boost oil and gas production. The issue of the discovery of new oil and gas fields is suggested to divide into the following directions: a search for oil and gas fields at shallow depths (short-term prospect), a search for oil and gas fields at mid-depths and a search for oil and gas fields at great depths (the main prospects of increasing oil and gas production). The geological and geophysical data were thoroughly analyzed throughout structural and tectonic units within the Western region of Ukraine with the aim of substantiating the prospects of their oil-and-gas content and introduction of new directions of oil-and-gas exploration. The prospects of oil-and-gas content of the Neogene and the Mesozoic deposits of the exterior of the pre-Carpathian depression and flysch of the interior of the pre-Carpathian depression are provided. The prospects of oil-and-gas content of the Cretaceous and the Paleogene deposits of folded Carpathians are characterized. The promising directions for further oil-and-gas exploration within indicated tectonic elements of Carpathian region are identified; the top priority project sites are suggested. Wildcat drilling and further oil-and-gas exploration are strongly recommended for all identified project sites. The research has identified the most promising exploration project sites. All of them are illustrated with appropriate maps and cross-sections. Thus, the most promising ones at shallow depths (up to 2000 m) are the following ones: South-Slyvkinske, Anhelivka, Hoshiv and Verkhnii Hutyn elevations. At mid-depths there are Pechenizhyn, Kliuchiv, Uhilnia and Boratychi elevations. At depths over 4000 m there are the following ones: Horodyshche structure, Posada, Dubliany, South-Lopushnia, Biskiv, Sloboda-Dolyna and Mizhrichchia elevations, Pidrezhzhia and Dobromyl-Strilbychi structures. The assessment of the resource potential of identified exploration project sites was done.

scholarly journals Oli and Gas Explorations via Satellite Remote Sensing Techniques for AL_Nasiriya

2019 ◽  
pp. 2308-2314
Author(s):  
Suhad Faisal Behadili ◽  
Baqir H. Sayed
Keyword(s):  
Satellite Images ◽  
Oil And Gas ◽  
Black Body ◽  
Data Set ◽  
Oil And Gas Exploration ◽  
Oil And Gas Fields ◽  
Landsat 7 ◽  
Remote Sensing Techniques ◽  
Gas Fields ◽  
The City

     This study investigates data set as satellite images of type multispectral Landsat-7, which are observed for AL_Nasiriya city, it is located in southern of Iraq, and situated along the banks of the Euphrates River. These raw data are thermal bands of satellite images, they are taken as thermal images. These images are processed and examined using ENVI 5.3 program. Consequently, the emitted Hydrocarbon is extracted, and the black body algorithm is employed. As well as, the raster calculations are performed using ArcGIS, where gas and oil features are sorted. The results are estimate and determine the oil and gas fields in the city. This study uncovers, and estimates several unexplored oil and gas fields. Whereas, the real oil and gas exploration is high costly regarding to actual existed ones in proportional to human and equipment. For future, it is intended to perform domain oil and gas exploration in order to compare between the presented results of this study with the actual existed ones.

scholarly journals Assessment of some baryte ores from Northern Cross-River, Nigeria, for oilfield drilling fluid supplement

2021 ◽  
Vol 9 (1) ◽  
pp. 3015-3026
Author(s):  
Debrah Memshima Oahimire ◽  
Victor Uchechi Ukaegbu ◽  
Joel Friday Ogbonna
Keyword(s):  
Oil And Gas ◽  
Drilling Fluid ◽  
American Petroleum Institute ◽  
Drilling Fluids ◽  
X Ray Diffraction ◽  
Cross River ◽  
X Ray ◽  
Oil And Gas Fields ◽  
Local Quality ◽  
Gas Fields

There is a very high demand for the American Petroleum Institute (API) grade baryte in Nigeria due to the continuous massive drilling in oil and gas fields. Considering the presumption that local baryte is of low quality, processed baryte is imported, leading to great national revenue losses. Some baryte deposits in the Northern Cross River, Nigeria were sampled and studied in field and laboratories, based on API standard requirements (2004 and 2010), to ascertain their suitability for use as weighting additive in drilling fluids. Furthermore, flame testing of the samples yielded yellowish-green flame indicating barium presence; X-ray diffraction (XRD) and X-Ray fluorescence (XRF) analyses confirmed the mineralogy and chemical composition of the samples, respectively. The results revealed the Specific Gravity, SG range of 4.37 to 4.52; concentration of alkali earth metals as calcium 8.40mg/kg to 62.10mg/Kg; the residue >75micron and particle sizes <6microns processed had normal range, respectively below 3% and 30%; and the samples’ BaSO4 %weightcomposition was over 90%. The chemical analysis indicated no significant undesired minerals. Galena gangue with baryte was observed in three locations though these could be easily beneficiated through physical separation. The tests and analyses result qualified the Northern Cross River baryte samples as high-grade API standard baryte, suitable for oilfield drilling fluid. Further estimation of the baryte reserves in this region was highly recommended, as this might proffer a substantial solution to the sustainable supply of excellent local quality drilling baryte in Nigerian oilfields.

scholarly journals POTENSI MIGAS BERDASARKAN INTEGRASI DATA SUMUR DAN PENAMPANG SEISMIK DI WILAYAH OFFSHORE CEKUNGAN TARAKAN KALIMATAN TIMUR

2016 ◽  
Vol 10 (3) ◽  
pp. 117
Author(s):  
Priatin Hadi Widjaja ◽  
D. Noeradi ◽  
A.K. Permadi ◽  
Ediar Usman ◽  
Andrian Widjaja
Keyword(s):  
Oil And Gas ◽  
Well Log ◽  
Gas Field ◽  
Oil And Gas Exploration ◽  
East Kalimantan ◽  
Oil And Gas Fields ◽  
Oil And Gas Field ◽  
Gas Fields ◽  
Gas Potential

Kajian geologi migas di Cekungan Tarakan relatif sangat kurang dibandingkan dengan Cekungan Kutai, diantaranya mengenai analisis stratigrafi sekuen yang lebih detil dan komprehensif, tingkat variasi lapisan sedimen di daerah transisi dengan laut dangkal sampai sedang dan keterkaitan dengan penentuan potensi migas. Padahal eksplorasi minyak dan gas bumi di Cekungan Tarakan, Kalimantan Timur telah mengalami proses waktu yang sangat panjang bahkan termasuk salah satu eksplorasi tertua di Indonesia. Namun eksplorasi di wilayah lepas pantai termasuk di timur Pulau Tarakan masih belum ditemukan lapangan migas yang bernilai ekonomis. Ini sangat berbeda dengan hasil eksplorasi Cekungan Kutai di lepas pantai dan laut-dalam yang telah mengalami kemajuan signifikan dalam 10 tahun terakhir setelah ditemukan beberapa lapangan migas laut-dalam seperti West Seno dan Gendalo. Berdasarkan pada pemerolehan data yang terdiri dari penampang seismik 2D, log sumur, rangkuman data biostratigrafi dan data check-shot, kajian dilakukan secara bertahap mulai dari analisis sekuen dan korelasi log sumur, interpretasi dan analisis seismik stratigrafi, pemetaan bawah permukaan, dan penentuan lokasi yang berpotensi migas. Tahapan metodologi kajian ini menggunakan beberapa perangkat lunak yang diproses secara integratif. Hasil akhir kajian dari integrasi peta struktur kedalaman dan peta isopach serta dukungan data petrofisik dari aspek kualitas batuan reservoir diperoleh dua lokasi yang berpotensi migas: Potensi Migas-1 di bagian tenggara dekat Pulau Tarakan merupakan jebakan struktur antiklin yang dikontrol sesar-sesar inversi dan Potensi Migas-2 di lepas pantai bagian timur wilayah kajian berupa jebakan struktur hidrokarbon sebagai sebuah antiklin yang memanjang relatif arah SEE – NWW. Kata kunci: Tarakan, sekuen, seismik, potensi migas Study of Petroleum geology in the Tarakan Basin is relatively less than in the Kutai Basin such as detailed and comprehensively sequence stratigraphy, variation of sediment layering from transition to outer-neritic zone and its related to determination of oil and gas potential locations. Oil and gas exploration in Tarakan Basin, East Kalimantan, has been carried out for the last a hundred years ago and its include as the oldest basin in Indonesia. Unfortunately, oil and gas field in eastern part of offshore Tarakan Island has not yet been discovered significantly. In contrast, offshore and deep-water oil and gas fields of Kutai Basin has been discovered significantly i.e. West Seno and Gendalo Fields. Based on data of 2D seismic in SEGY-files, well log in LAS-file, biostratigraphy and check-shot data, then steps of research followed by a sequence analysis, wells correlation, interpretation and analysis of seismic stratigraphy, subsurface mapping and determination of oil and gas potential locations. The results of this study are oil and gas potency 1 and potency 2. Potency 1 is located in south-eastern part of Tarakan Island where anticlinal traps are controlled by inversion faults. In contrast, potency 2 is an anticlinal trap located in offshore at the eastern part of the study area. Key words: Tarakan, sequence, seismic, oil and gas potential

scholarly journals APPLICATON OF MICROSEISMIC NOISE ESTIMATION IN OIL AND GAS EXPLORATION AIMED AT REDUCING ENVIRONMENTAL IMPACT

2019 ◽  
Vol 14 (2) ◽  
pp. 202-210
Author(s):  
A. Yu. Tsivadze ◽  
Yu. V. Sirotinskiy ◽  
M. A. Abaturov
Keyword(s):  
Oil And Gas ◽  
Oil And Gas Industry ◽  
Noise Estimation ◽  
3D Seismic ◽  
Gas Industry ◽  
Oil And Gas Exploration ◽  
Oil And Gas Fields ◽  
Hardware Complex ◽  
Acoustic Methods ◽  
Gas Fields

Aim. This article discusses the possibility of reducing ecological costs and risks during exploration of oil and gas fields. To this end, we propose to reduce the number of exploratory drilling works performed using unjustified non‐productive wells. Such a problem can be solved with the help of innovative seismic‐acoustic methods of direct deposit exploration.Methods. The method of microseismic noise estimation (MNE) in application to hidden hydrocarbon de‐ posits is proposed. When implementing the MNE algorithms, Chebyshev spectroscopy and analysis of the noise in terms of Gaussian distribution were used.Results. The hardware im‐ plementation of the MNE method is presented. The key component of the hardware complex is presented by an autonomous microprocessor 3D seismic module. The seismic module registers signals across the frequency range of 0.5‐40 Hz with a level of spectral density of self‐noise not higher than 0.5 nm×Hz‐1/2. Presented both in land and sea design, the module is compact and mobile.Conclusion. The application of the MNE method in prospecting and exploration allows identification and exclusion of obviously non‐productive wells from drilling, as well as reduc‐ tion of the total number of wells more than by twofold. For the Caspian region, this indicator is expected to be higher. As a result, the method will provide a significant reduction in the envi‐ ronmental consequences of the oil and gas industry as a whole.   

scholarly journals Areas of oil and gas accumulation in the Pripyat-Dnieper-Donetsk oil and gas province and the possibility of their study by remote methods

2020 ◽  
pp. 27-37
Author(s):  
Anatolii Vorobiev ◽  
Stanislav Golubov ◽  
Volodymyr Kurylenko
Keyword(s):  
Oil And Gas ◽  
Oil And Gas Exploration ◽  
Gas Accumulation ◽  
Oil And Gas Fields ◽  
The Earth ◽  
New Energy ◽  
Promising Area ◽  
The Cost ◽  
Gas Fields ◽  
Remote Sensing Methods

In connection with the need to increase the energy resources of Ukraine, it is essential to expand the areas and depths of prospecting, as well as to improve the methodology and technology of oil and gas exploration. The most promising area for the search for new oil and gas fields in Ukraine remains the Pripyat-Dneprovsko-Donetsk oil and gas province. Increasing the depth of new energy sources because of the increasing cost of exploration and deep drilling requires more accurate and efficient predictions, which should be based on a more rigorous scientific substantiation of new directions of work and the application of new efficient technologies. The article develops the concept of deep degassing of the Earth, which is of great importance for the development of modern ideas about the formation and geological history of the Pripyat-Dnieper-Donetsk oil and gas province. The authors considered the nature of oil and gas accumulation areas and their relationship with the “pipes” of deep degassing of the Earth, as well as the possibilities of structural-tectonic, lithological-geochemical and remote sensing methods in identifying new oil and gas fields in the Pripyat-Dnieper-Donetsk oil and gas province and signs of their connection with «pipes» hydrocarbon deep degassing of the Earth. To implement new methodology and technology of prospecting, exploration of oil and gas fields, the article proposes to make wider use of the modern capabilities of satellite methods, which make it possible to quickly cover large areas with multiple surveys, increase the efficiency of solving geological problems, and also significantly reduce the cost of oil and gas exploration.

scholarly journals Prospects of oil and gas potential of the Pripyat trough carbonate complex

Georesursy ◽  
2019 ◽  
Vol 21 (2) ◽  
pp. 110-116
Author(s):  
Natalya P. Fadeeva ◽  
Elena N. Poludetkina ◽  
Yury A. Petrichenko
Keyword(s):  
Oil And Gas ◽  
Carbonate Complex ◽  
Oil And Gas Exploration ◽  
Oil And Gas Fields ◽  
Gas Source ◽  
Geological Work ◽  
Gas Fields ◽  
Geochemical Studies ◽  
Gas Potential ◽  
Carbonate Complexes

Oil-geological work in the Pripyat oil and gas basin has been going on for over 70 years; to date, more then 80 oil and gas fields have been discovered there, but due to the ever-growing need for energy consumption, work on the identification of new resources is constantly continuing. Geochemical studies of oil deposits, as well as 3D modeling of the processes of generation, emigration and accumulation of hydrocarbons, taking into account all risk factors, made it possible to identify promising objects for oil and gas exploration in the subsalt and intersalt carbonate complexes. The calculated scales of generation, emigration and accumulation of hydrocarbons, carried out as a result of geochemical and basin modeling, turned out to be comparable and showed that the oil and gas source potential of the Devonian sediments of the Pripyat trough was realized by no more than one third.

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