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Experimental investigation of the effect of injection water salinity on the displacement efficiency of miscible carbon dioxide WAG flooding in a selected carbonate reservoir
Springer Science and Business Media LLC - Tập 5 - Trang 363-373 - 2015
Abdulrazag Zekri, Hazim Al-Attar, Omar Al-Farisi, Reyadh Almehaideb, Essa Georges Lwisa
The effect of injection brine salinity on the displacement efficiency of low water salinity flooding was investigated using sea water at 35,000 ppm, and two field injection waters, namely, Um-Eradhuma (UER) at 171,585 ppm and simsima (SIM) at 243,155 ppm. The salinity of the employed waters was varied from original salinity to 1,000 ppm and used in the displacement of oil in selected core samples...... hiện toàn bộ
Prediction and analysis of annular pressure caused by temperature effect for HP/HT/HHS and water production gas wells in Sichuan Basin
Springer Science and Business Media LLC - - 2021
Cao Pu
For the “three-high” gas wells in Sichuan Basin which are often regulated for production rate and shut-in for maintenance, annular pressure by temperature effect is a kind of wellbore safety threat that cannot be ignored. In this work, the wellbore temperature and pressure calculation model of gas–liquid two-phase flow with non-hydrocarbon correction and the prediction model of annular pressure by...... hiện toàn bộ
Transportation of heavy oils using polymer-stabilized oil-in-water emulsions
Springer Science and Business Media LLC - Tập 7 - Trang 881-890 - 2016
A. R. Al-Hashmi, T. K. Al-Wahaibi, Y. M. Al-Wahaibi, F. Mjalli, R. Al-Omairi
The increase in demand for crude oil and the depletion of light crude oil reserves have led to increase in the production of heavy crude oils. This has resulted in an interest in decreasing the pumping costs by techniques such as heating, dilution and/or mixing with water. Among the aforementioned methods, emulsification of heavy crude oil with water is the cheapest, and hence, optimizing its appl...... hiện toàn bộ
Study of accelerated erosion of elbow-shaped connections with corrosion defects
Springer Science and Business Media LLC - Tập 13 - Trang 2303-2314 - 2023
Biao Yin, Hejun Zou, Jie Liu, Shanyong Liu, Yishan Lou
In the later stages of gas field development, corrosion and erosion wear often occur in elbow-shaped connections used for gas transportation. Combined with laboratory corrosion experiments, the paper is based on CFD to study the distribution characteristics of pressure and velocity in the flow field for the elbow with pre-set corrosion defects. Simultaneously, the specific procedure is designed to...... hiện toàn bộ
Judgment method of working condition of pumping unit based on the law of polished rod load data
Springer Science and Business Media LLC - Tập 11 - Trang 911-923 - 2021
Chuanjun Han, Yang Yue
At present, oil companies are committed to applying the theory and means of mathematics or data science to the research of oilfield data rules. However, for some old oil wells, aging equipment, complex environment and backward management, cause the authenticity and accuracy of the data collected by the equipment cannot be determined. According to the actual engineering demand of the old wells, thi...... hiện toàn bộ
Preliminary evaluation of a natural surfactant extracted from Myrtus communis plant for enhancing oil recovery from carbonate oil reservoirs
Springer Science and Business Media LLC - Tập 12 - Trang 783-792 - 2021
Iman Nowrouzi, Amir H. Mohammadi, Abbas Khaksar Manshad
Surfactants are among the materials used to improve water properties for injection into oil reservoirs, and reduce injection phase and crude oil interfacial tension (IFT). Recently, the interest in the use of natural surfactants has increased and is constantly on the rise to solve some challenges of using chemical surfactants such as incompatibility with the environment and the high cost. In this ...... hiện toàn bộ
A review: the utilization potency of biopolymer as an eco-friendly scale inhibitors
Springer Science and Business Media LLC - - 2022
Ully Zakyatul Husna, Khaled Abdalla Elraies, Juhairi Aris Shuhili, Ahmed Abdulla Elryes
AbstractScale formation is one of the major issues in the petroleum industry. The development of these scale layers could result in production losses and equipment instability because of pipeline blockage, energy leakage, corrosion acceleration and severe accidents which will impact the safety of the production process. The utilization of chemical scale inhibitors ...... hiện toàn bộ
Stepwise mathematical derivation of the Herschel–Bulkley laminar fluid flow equations—in pipes
Springer Science and Business Media LLC - Tập 13 - Trang 625-643 - 2022
Rahman Ashena, Foued Badrouchi, Asad Elmgerbi, Siamak Mishani, Fatemeh Sotoudeh, Sahand Nekoeian
Stepwise derivation of flow equations of the Herschel–Bulkley (HB) model is not available in the literature. These equations are crucial for mechanical, chemical and petroleum engineering academia and industries where fundamental works on non-Newtonian fluids may be done to reach future models and estimation methods. Therefore, this work focuses on derivation of laminar flow equations and estimati...... hiện toàn bộ
Exploring the coupling relationship between hydrocarbon generation of continental shale and nanopore structure evolution—A case study of Shahejie formation in Bohai Bay Basin
Springer Science and Business Media LLC - Tập 11 - Trang 4215-4225 - 2021
Jianqiang Qin, Xianrong Liu, Youwei Zheng, Bing Tian, Deliang Fu, Lina Sun
The nano-scale pore structure of shale is closely related to the self-generated and self-accumulated shale oil and gas. The Bohai Bay Basin is a crucial oil-bearing basin in eastern China, and the Paleogene Shahejie Formation is the most important source rock section in this area. In order to study the internal relationship between hydrocarbon generation evolution and pore structure characteristic...... hiện toàn bộ
The effect of chemically enhanced oil recovery on thin oil rim reservoirs
Springer Science and Business Media LLC - - 2021
Oluwasanmi Olabode, V. O. Ogbebor, E. O. Onyeka, BOAKYE FELIX
AbstractOil rim reservoirs are characterised with a small thickness relative to their overlying gas caps and underlying aquifers and the development these reservoirs are planned very carefully in order to avoid gas and water coning and maximise oil production. Studies have shown low oil recoveries from water and gas injection, and while foam and water alternating g...... hiện toàn bộ
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