RU2009142314A - METHOD FOR SIMULTANEOUS RESEARCH BY METHODS OF RADIOACTIVE LOGGING AND DEVICE FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR SIMULTANEOUS RESEARCH BY METHODS OF RADIOACTIVE LOGGING AND DEVICE FOR ITS IMPLEMENTATION Download PDFInfo
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Abstract
1. Способ одновременного исследования методами радиоактивного каротажа путем одновременного измерения сечения захвата тепловых нейтронов и регистрации гамма-квантов естественного радиоактивного фона, а также гамма-квантов образующихся при распаде ядер активированного кислорода в интервале времени между двумя импульсами излучения нейтронов, отличающийся тем, что в интервале времени между двумя импульсами излучения нейтронов формируют последовательность временных окон, в которых временные окна в интервале времен от 0 до 6 мс после импульса нейтронного излучения используются для регистрации методом ИНГК, а оставшееся временное окно до следующего импульса нейтронного излучения используется для регистрации методами КНАМ и ГК, при этом разделение методов КНАМ и ГК происходит за счет разделения поступающих γ-квантов по энергиям, для регистрации γ-квантов от радиоактивных изотопов устанавливают порог дискриминации в диапазоне от 2000 до 4000 кэВ, а для регистрации γ-квантов естественного радиоактивного фона устанавливают порог от 30 до 2000 кэВ. ! 2. Устройство для одновременного исследования методами радиоактивного каротажа, содержащее управляемый импульсный излучатель быстрых нейтронов, блок цифровой обработки, детектор гамма-квантов, два усилителя-дискриминатора импульсов, отличающееся тем, что усилители-дискриминаторы импульсов соединены с одним выходом детектора гамма-квантов, а каждый выход усилителей-дискриминаторов, настроенный на пропускание импульсов определенной амплитуды, соответствующей гамма-квантам различной энергии, подсоединен к входам двух счетчиков импульсов, которые соединены с бло� 1. The method of simultaneous research using methods of radioactive logging by simultaneously measuring the capture cross section of thermal neutrons and detecting gamma rays of the natural radioactive background, as well as gamma rays generated during the decay of activated oxygen nuclei in the time interval between two pulses of neutron radiation, characterized in that in the interval time between two pulses of neutron radiation form a sequence of time windows in which time windows in the time interval from 0 to 6 ms after it The neutron radiation pulse is used for registration by the INGK method, and the remaining time window until the next neutron pulse is used for registration by the KNAM and GK methods, while the KNAM and GK methods are separated by separating the incoming γ-quanta by energy, to register γ-quanta from of radioactive isotopes, a discrimination threshold is set in the range from 2000 to 4000 keV, and a threshold from 30 to 2000 keV is set to detect γ-rays of the natural radioactive background. ! 2. A device for simultaneous research using radioactive logging methods, containing a controlled pulsed fast neutron emitter, a digital processing unit, a gamma-ray detector, two pulse discriminating amplifiers, characterized in that the pulse discriminating amplifiers are connected to one output of the gamma-ray detector, and each output of discriminator amplifiers configured to transmit pulses of a certain amplitude corresponding to gamma quanta of different energies is connected to the inputs of two pulse counters fish that are connected to the flea
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RU2009142314/28A RU2427861C2 (en) | 2009-11-17 | 2009-11-17 | Procedure for simultaneous exploration by methods of radioactive logging and device for its implementation |
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RU2009142314/28A RU2427861C2 (en) | 2009-11-17 | 2009-11-17 | Procedure for simultaneous exploration by methods of radioactive logging and device for its implementation |
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RU2009142314A true RU2009142314A (en) | 2011-05-27 |
RU2427861C2 RU2427861C2 (en) | 2011-08-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013172985A2 (en) * | 2012-03-28 | 2013-11-21 | Schlumberger Canada Limited | Titanium based gas reservoir for low power sealed tube neutron generators |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2503040C1 (en) * | 2012-06-01 | 2013-12-27 | Общество с ограниченной ответственностью ООО "Сплит" | Method for determining gas and oil saturation coefficient for geophysical well logging complex based on pulse neutron well logging methods |
RU2523026C1 (en) * | 2012-12-28 | 2014-07-20 | федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский ядерный университет МИФИ" (НИЯУ МИФИ) | Pulse neutron generator |
RU2530471C1 (en) * | 2013-05-13 | 2014-10-10 | Закрытое акционерное общество Научно-производственная фирма "ГИТАС" (ЗАО НПФ "ГИТАС") | Method of recording data of radioactive-tracer log and device for its implementation |
RU2568305C2 (en) * | 2014-04-08 | 2015-11-20 | Федеральное государственное бюджетное учреждение науки Физический институт им. П.Н. Лебедева Российской академии наук (ФИАН) | Fast monoenergetic neutrons generator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013172985A2 (en) * | 2012-03-28 | 2013-11-21 | Schlumberger Canada Limited | Titanium based gas reservoir for low power sealed tube neutron generators |
WO2013172985A3 (en) * | 2012-03-28 | 2014-03-06 | Schlumberger Canada Limited | Titanium based gas reservoir for low power sealed tube neutron generators |
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RU2427861C2 (en) | 2011-08-27 |
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Effective date: 20191118 |