scholarly journals Corrosion Law of Metal Pipeline in Tahe Oilfield and Application of New Materials

Coatings ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1269
Author(s):  
Xiaolong Shi ◽  
Zhi Zhang ◽  
Lanjie Wu ◽  
Xincai Li ◽  
Zhenwu Zhang
Keyword(s):  
Oil And Gas ◽  
Electrochemical Corrosion ◽  
Operating Conditions ◽  
Pipe Material ◽  
Gas Field ◽  
Corrosion Morphology ◽  
Oil And Gas Fields ◽  
Oil And Gas Field ◽  
Safety Production ◽  
High Concentrations

Frequent corrosion perforation of metal pipes severely restricts oil and gas fields’ safety production and increases maintenance costs. Therefore, it is imminent to change the characteristics of metal materials fundamentally. In this paper, taking the metal pipe of Northwest Oil and Gas Field in China as an example, for the corrosion environment with high concentrations of H2S, CO2, H2O, Cl−, and O2, the main factors leading to corrosion are analyzed, the corrosion rules and optical materials of the pipe under different environmental and operating conditions are figured out, and the corrosion resistance of new pipes materials is evaluated. The main conclusions are as follows: (1) In the environment of the CO2–H2O–Cl− strong scouring system, electrochemical corrosion dominates, and the corrosion morphology is mainly groove-like corrosion and ulcer-like corrosion; (2) The H2S content affects the incubation period and development period of pipe corrosion; (3) Through the two optimization directions of 20# steel refining and material alloying, BX245-1Cr pipe material has been developed. At present, the application of this pipe material has relatively better results.

scholarly journals Use of the program and goal-oriented approach to observe the vertical displacements of the earth’s surface in Russia

2019 ◽  
Vol 91 ◽  
pp. 07023
Author(s):  
Victor Volkov ◽  
Nikita Volkov
Keyword(s):  
High Precision ◽  
Economic Efficiency ◽  
Oil And Gas ◽  
Sufficient Accuracy ◽  
Gas Field ◽  
Oil And Gas Fields ◽  
Vertical Displacements ◽  
Oil And Gas Field ◽  
Gas Fields ◽  
Oriented Approach

The paper considers the problematic issues of the special aspects of solution of the problems of modern geodynamics and technogenic geomechanics in oil and gas fields based on the results of re-levelling. The disadvantages and fundamental errors traditionally made by mining and land surveyors in organizing and performing re-levelling on the territories of oil and gas fields are given. The results of high precision levelling, obtained on the territory of an oil and gas field using the program and goal-oriented approach for its formulation, are presented. The representativeness and sufficient accuracy of obtaining the results of re-levelling allowed us to establish significant speeds of geodynamic and technogenic displacements of the earth’s surface (0.4 - 3.6 mm/year) in the shortest time possible with high economic efficiency.

scholarly journals The problem of abnormally low formation pressure on the oil and gas fields in Ukraine

2020 ◽  
pp. 17-22
Author(s):  
A. Pokhylko
Keyword(s):  
Pressure Gradient ◽  
Oil And Gas ◽  
Low Pressure ◽  
Formation Pressure ◽  
Gas Field ◽  
Oil And Gas Fields ◽  
Geological Conditions ◽  
Remaining Oil ◽  
Oil And Gas Field ◽  
Gas Fields

The article presented information about specific of geological conditions depleted oil and gas fields, which has Remaining Oil and Gas in Place. The reasons of abnormally low pressure nascency in the deposit has been analyzed. The article presents information about influence of geodynamic processes and structural and tectonics of Earth crust to formation pressure. The information about availability of initial abnormally low formation pressure in Ukrainian Oil and Gas-Condensate fields has been written. Supposition of nascence the abnormally low formation pressure in difficult oil/water/gas saturation geological formation has been analyzed. The drop of pressure in of initial formation has been analyzed and researched. The article presented that drop of pressure gradient in main Ukrainian oil and gas fields is equal to the value of abnormally low formation pressure.The problems of considerable remaining Oil and Gas in with abnormally low pressure in Ukrainian oil and gas field deposit has been analyzed. The information about oil and gas reservoir conditions of depleted field and brown fields in Ukraine has been analyzed.The plot of the formation pressure gradient decreasing for Chornukhynske, Denysivske, Solokhivske, Druzheliubivske, Tymofiivske and Yablunivske fields has been presented. The drop of pressure to abnormally low in Chornukhynske, Denysivske, Solokhivske, Druzheliubivske, Tymofiivske and Yablunivske fields has been established. The problems of drilling and cementing in the well with abnormally low pressure has been describe. Difficult geological conditions in Ukrainian oil and gas field deposit has been analyzed.The article shows the importance to control parameters of all technological liquids, especially density of drilling and cementing liquid in a time of drilling well with abnormally low pressure. The article shows the aspect of the using of lightweight grouting solutions for mounting wells with abnormally low reservoir pressures, the importance of controlling the contamination of the bottom zone of the formation and preventing the occurrence of hydraulic fracturing during cementing.

scholarly journals Modern Political and Economic Aspects of the Oil and Gas Complex in the Southeast Asia Region

2014 ◽  
pp. 54-59
Author(s):  
V. I. Salygin ◽  
S. V. Berezinskiy
Keyword(s):  
Southeast Asia ◽  
Oil And Gas ◽  
American Business ◽  
Gas Field ◽  
Field Development ◽  
Oil And Gas Fields ◽  
Oil And Gas Field ◽  
Offshore Oil And Gas ◽  
Gas Fields ◽  
Offshore Oil

AbstracUThe article reviews the problems caused by the conflict of interests between certain Southeast Asian countries and other states, China foremost, which aroused from oil and gas field development on disputable offshore sections. At the same time the positions of the region's leading transnational corporations in the field of oil and gas policy and their relationships with the countries-ASEAN (Association of South East Asian Nations) members are outlined. Separately are represented the foreign policy stands of Indonesia, Vietnam, Brunei, Philippines and Malaysia on territorial disputes over offshore oil and gas fields. These processes are pushing both European and American business to abandon the conventional schemes and accept the new conditions of their activity in Southeast Asia.

scholarly journals Thawing of Permafrost During the Operation of Wells of North-Mukerkamyl Oil and Gas Field

2021 ◽  
Vol 14 (6) ◽  
pp. 795-804
Author(s):  
Mikhail Yu. Filimonov ◽  
◽  
Nataliia A. Vaganova
Keyword(s):  
Oil And Gas ◽  
Frozen Soil ◽  
Design Stage ◽  
Frozen Ground ◽  
Gas Field ◽  
Thermal Fields ◽  
Oil And Gas Fields ◽  
Geological Processes ◽  
Oil And Gas Field ◽  
Gas Fields

Thawing of ice-saturated rocks due to climate change or various technological impacts will be accompanied by subsidence of the earth’s surface and development of dangerous permafrost geological processes called thermokarst, leading to accidents, which may destruct the wells. Currently, the investment programs of the development of new northern oil and gas fields are restricted. In this regard, reducing the cost of developing the oil and gas fields is an urgent problem. For example, diminishing the area of well pads and maintaining efficiency in the northern oil and gas fields can significantly reduce the costs, in particular, during the design stage. A model of unsteady thermal fields propagation in frozen soil from new well construction for the North Mukerkamyl oil and gas field is developed, taking into account the construction features, the annulus, and the complex lithology of the soil surrounding the well. It is planned to take into account climatic and technological factors, in particular, an annual rest period of well operation, which held from several hours to two weeks. The paper discusses the computational features of the thermal fields calculating in frozen ground from wells and explores the influence of various parameters, which in the computations may lead to a significant increasing of thawing area in the well pads

Prospects for the Use of Physico-Chemical and Mathematical Modeling for the Development of Highly Efficient Integrated Technology for the Treatment and Preparation of Produced Waters

2019 ◽  
Vol 23 (3) ◽  
pp. 66-71
Author(s):  
O.V. Savenok ◽  
L.V. Povarova ◽  
D.A. Berezovsky
Keyword(s):  
Mathematical Modeling ◽  
Oil And Gas ◽  
Produced Water ◽  
High Tech ◽  
Gas Field ◽  
Field Development ◽  
Oil And Gas Fields ◽  
Physico Chemical ◽  
Oil And Gas Field ◽  
Produced Waters

A detailed analysis of the existing methods of cleaning and preparation of produced waters of oil and gas fields has been carried out and the most high-tech methods have been considered in detail. The prospects for the use of produced water as a technological reserve for increasing the efficiency of oil and gas field development are shown. It is noted that the methods of physico-chemical and mathematical modeling can be effectively used to improve the electromembrane technologies. At the same time, many theoretical questions require further, deeper study.

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 EOR and Reservoir preservation in Rag-e Sefied Oil and Gas Field: With Base of Reservoir Fluid Geochemistry

2021 ◽  
Author(s):  
Seyed Hossein Hashemi ◽  
Abas Niknam ◽  
Amir Karimian Torghabeh
Keyword(s):  
Oil And Gas ◽  
Inorganic Ions ◽  
Operating Conditions ◽  
Oil Field ◽  
Reservoir Rock ◽  
Formation Water ◽  
Gas Reservoirs ◽  
Accurate Analysis ◽  
Gas Field ◽  
Oil And Gas Field

Abstract Mineral ions are present in aqueous solutions in most industrial and operational processes, including oil operation. Accurate analysis and sampling of the formation water and its dissolved minerals during the operation of the oil industry can be a valuable solution for the efficient management of oil production from the reservoir. Therefore, in this study, evaluation of inorganic ions and their concentration in formation water for 6 well samples in the Rag-e Sefid Oil and Gas Field was considered. According to the results of this study, calcium, sodium and magnesium cations as well as sulfate, bicarbonate and chloride anions are soluble inorganic ions in the Rag Sefid Oil Field Formation. Also, in this study formation of inorganic sediment CaSO4, CaSO4.2H2O, CaCO3 and MgCO3 was studied. Based on the operating conditions of the Rag-e Sefid Oil and Gas field, the formation of calcium sulfate and calcium carbonate mineral deposits is significant. With base of geochemical analysis in reservoir rock samples and ions ratios these reservoir is good for preservation. The results thus provide more accurate predictions in terms of where to find gas reservoirs in the Zagros basin, and can lead to significantly better exploitation of these resources and also estimation of rate of sedimentation for EOR.

The Application of Anti-Corrosion Materials in the Oil and Gas Field Development

2014 ◽  
Vol 575 ◽  
pp. 245-249
Author(s):  
Mo Zhou ◽  
Hui Ying Peng ◽  
Qi Yuan Du
Keyword(s):  
High Density Polyethylene ◽  
Oil And Gas ◽  
Gas Field ◽  
Field Development ◽  
Advantages And Disadvantages ◽  
Oil And Gas Fields ◽  
Process Piping ◽  
Oil And Gas Field ◽  
Gas Fields ◽  
Economical Choice

With the development of some severely corrosive oil and gas fields, the phenomenon of material corrosion is increasingly serious. Through a large number of literature investigation, comparing with the advantages and disadvantages of anti-corrosion materials in CO2, H2S and Cl- concomitant environment. In the development of oil and gas filed use some new anti-corrosion materias. CRAs under highly corrosive conditions remains the most effective and relatively economical choice in downhole and wellhead. At special pipe sections usually use super high-density polyethylene and nylon. Process piping usually use CRAs and CLASs. In water treatment systems use non-metallic pipes (HDPE, FRP). Oil and gas output pipelines and rubber seals use CLASs, try to slow down the corrosion.

scholarly journals TO THE ISSUE OF WASTE WATERS PURIFICATION IN WEST SIBERIA OIL AND GAS FIELD FACILITIES

2015 ◽  
pp. 104-108
Author(s):  
L. A. Parshukova
Keyword(s):  
Oil And Gas ◽  
Open Water ◽  
West Siberia ◽  
Gas Production ◽  
Water Bodies ◽  
Waste Waters ◽  
Gas Field ◽  
Oil And Gas Production ◽  
Oil And Gas Fields ◽  
Oil And Gas Field

The article considers the problems of anthropogenic environmental pollution in the oil and gas fields in West Siberia. Taking into account the experience of wells drilling and statistical reports data there was drawn a map of average many-years pollution of open water bodies in Khanty-Mansi Autonomous Okrug. It is shown that the major pollution is related with drilling wastes in the process of increasing the volumes of drilling and oil and gas production. To reduce the pollution it is offered to use modular plants for treatment of waste waters of BT and BTF type. These plants use will permit to discharge the treated waste waters into the water bodies of fishery purpose.

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