Inversion of elastic characteristics of beryllium condensate under the action of weak magnetic field

Kurek, E. I.; Oleinich-Lysyuk, A. V.; Raranskii, N. D.

doi:10.1134/s1063785011120273

Cited by 4 publications

(2 citation statements)

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“…Concerned about the above research status at home and abroad, the following three aspects of problems could be referred (Xing et al, 2014; You and Su, 2003; Du et al., 2015; Ghassemi, 2012; Kukudzhanov, 2011; Kurek et al., 2011; Markides and Kourkoulis, 2012; Menéndez and David, 2007; Turner, 2013): Most of the sampling methods in rock measurements are sampled from a certain single direction, which is not from three directions of X, Y, and Z. Little measurements are based on synchronous measurement on structure of the reservoir rock, composition and so on, thus the factors that influence anisotropy of mechanical properties in rock mass are relatively poor. At present, most of the research and experiments are based on the determination of dry samples, or just loading one or two conditions like the confining pressure, pore pressure, temperature and fluid, etc. Little measurements were designed under specific underground reservoir conditions of temperature, confining pressure, pore pressure, the determination of oil–water saturation, and so the results of most experiments could not reflect reservoir accurately. …”

Section: Introductionmentioning

confidence: 99%

“…Concerned about the above research status at home and abroad, the following three aspects of problems could be referred (Xing et al, 2014;You and Su, 2003;Du et al, 2015;Ghassemi, 2012;Kukudzhanov, 2011;Kurek et al, 2011;Markides and Kourkoulis, 2012;Mene´ndez and David, 2007;Turner, 2013): (1) Most of the sampling methods in rock measurements are sampled from a certain single direction, which is not from three directions of X, Y, and Z.…”

Section: Introductionmentioning

confidence: 99%

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New inspiration on effective development of tight reservoir in secondary exploitation by using rock mechanics method

Shi

Guan

et al. 2016

Energy Exploration & Exploitation

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This study attempted to raise new significant inspiration on effective development of tight reservoir in secondary exploitation by using rock mechanics method. After refitting the conventional tri-axial rock mechanics testing instruments, a set of probing experiments on rock mechanics determination were performed. Results show that mechanism of the influence of confining pressure on the Young's modulus is different from that of the pore pressure. The physical significance of the slope and intercept value in Young's modulus changing curves were analyzed; two kinds of mechanisms which cause changes of Young's modulus were raised. Meanwhile, we put forward the concept of ''microscopic'' anisotropy and introduce the coefficient of ''S'' and ''H'' to quantitatively characterize the relative difference on impact extent, where pore pressure and confining pressure could lead to change in Young's modulus and the size of microscopic anisotropy of Young's modulus. We predicted the size of microscopic anisotropy of Young's modulus in Qijiagulong district of Daqing Oilfield by using the above method. The conclusion could provide scientific basis for judging the well pattern adaptability, preponderant direction of water flooding, the reservoir rock fracturing, and optimization design of fracturing parameters.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

New inspiration on effective development of tight reservoir in secondary exploitation by using rock mechanics method

Shi

Guan

et al. 2016

Energy Exploration & Exploitation

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On the nature of the magnetoplastic effect in a beryllium condensate

Kurek

Oleinich-Lysyuk

et al. 2013

Phys. Solid State

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Anomalies of Inverse Magnetoplastic Effect in a Magnesium-Thermal Beryllium Condensate

Kurek¹,

Kurek²,

Oleynich-Lysyuk³

et al. 2016

Metallofiz. Noveishie Tekhnol.

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У магнійтермічному берилійовому конденсаті при одночасній дії на зраз-ки слабкого постійного магнетного, механічного або температурного по-лів (в інтервалі температур  20-100C) зафіксовано зворотний магнетоп-ластичний ефект (МПЕ). При цьому було досліджено поведінку амплітуд-них і температурно-кінетичних залежностей ефективного модуля зсуву та низькочастотного внутрішнього тертя, а також розраховано відношення швидкостей руху дислокацій у магнетному полі та без нього (V MF /V 0 ). При накладанні слабкого постійного магнетного поля in situ зафіксовано роз-щеплення максимумів внутрішнього тертя та аномальну поведінку V MF /V 0 на всіх стадіях експерименту, а також інверсію знаку МПЕ при охоло-дженні, якому передує формування магнетонечутливої области.В магнийтермическом бериллиевом конденсате при одновременном дей-ствии на образцы слабого постоянного магнитного, механического или температурного полей (в интервале температур  20-100C) зафиксирован обратный магнитопластический эффект (МПЭ). Исследовано поведение амплитудных и температурных зависимостей эффективного модуля сдви-га и низкочастотного внутреннего трения, а также рассчитано отношение скоростей движения дислокаций в магнитном поле и без него (V MF /V 0 ). Под действием слабого постоянного магнитного поля in situ зафиксирова-ны расщепление максимумов внутреннего трения и аномальное поведе-ние V MF /V 0 на всех этапах эксперимента, а также инверсия знака МПЭ при охлаждении, которой предшествует формирование магнитонечувстви-тельной области.The reverse magnetoplastic effect (MPE) is detected in magnesium-thermal beryllium condensate at the simultaneous action of the weak permanent magnetic and mechanical or temperature fields on the samples (in the interval of temperatures  20-100C). The behaviour of the amplitude and temperature dependences of the effective shear modulus and low-frequency internal friction of magnesium-thermal beryllium condensate is investigated.

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Inversion of elastic characteristics of beryllium condensate under the action of weak magnetic field

Cited by 4 publications

References 1 publication

New inspiration on effective development of tight reservoir in secondary exploitation by using rock mechanics method

New inspiration on effective development of tight reservoir in secondary exploitation by using rock mechanics method

On the nature of the magnetoplastic effect in a beryllium condensate

Anomalies of Inverse Magnetoplastic Effect in a Magnesium-Thermal Beryllium Condensate

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