RU97100936A - Определение ядерным магнитным резонансом нефтефизических свойств геологических структур - Google Patents

Определение ядерным магнитным резонансом нефтефизических свойств геологических структур

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Publication number
RU97100936A
RU97100936A RU97100936/25A RU97100936A RU97100936A RU 97100936 A RU97100936 A RU 97100936A RU 97100936/25 A RU97100936/25 A RU 97100936/25A RU 97100936 A RU97100936 A RU 97100936A RU 97100936 A RU97100936 A RU 97100936A
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RU
Russia
Prior art keywords
phi
geological structure
magnetic resonance
determination
porosity
Prior art date
Application number
RU97100936/25A
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English (en)
Other versions
RU2146380C1 (ru
Inventor
Р.Коатис Джордж
Original Assignee
Ньюмар Корпорейшн
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Publication date
Priority claimed from US08/261,542 external-priority patent/US5557200A/en
Application filed by Ньюмар Корпорейшн filed Critical Ньюмар Корпорейшн
Publication of RU97100936A publication Critical patent/RU97100936A/ru
Application granted granted Critical
Publication of RU2146380C1 publication Critical patent/RU2146380C1/ru

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Claims (3)

1. Способ определения строения геологической структуры, содержащий этапы: сообщения поляризующего магнитного поля геологической структуры в течение заранее определенного периода времени; измерения сигналов ядерного магнитного резонанса, представляющих релаксацию спинового эха популяции частиц в геологической структуре; построения цепочки сигналов спинового эха, характеризующих упомянутую популяцию частиц; определения значений пористости (PHIm) диаграммы магнитно-резонансного каротажа (MRL) геологической структуры из упомянутой цепочки сигналов спинового эха; определения значений суммарной пористости; и извлечения дополнительных нефтефизических свойств геологической структуры из значений суммарной пористости (PHIt) и из значений пористости MRL (PHIm).
2. Способ по п. 1, отличающийся тем, что дополнительные нефтефизические свойства геологической структуры представляют собой насыщение минимальной связанной водой SWB, минимальный полный объем воды BVIm и полный объем воды (BVW) геологической структуры.
3. Способ по п. 2, отличающийся тем, что значение SWB определяют используя выражение
SWB = (PHIt - PHIm)/PHIt.
RU97100936/28A 1994-06-17 1995-06-16 Определение ядерным магнитным резонансом петрофизических свойств геологических структур RU2146380C1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US261,542 1994-06-17
US08/261,542 US5557200A (en) 1991-05-16 1994-06-17 Nuclear magnetic resonance determination of petrophysical properties of geologic structures
PCT/US1995/008563 WO1995035514A1 (en) 1994-06-17 1995-06-16 Nuclear magnetic resonance determination of petrophysical properties of geologic structures

Publications (2)

Publication Number Publication Date
RU97100936A true RU97100936A (ru) 1999-03-10
RU2146380C1 RU2146380C1 (ru) 2000-03-10

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RU97100936/28A RU2146380C1 (ru) 1994-06-17 1995-06-16 Определение ядерным магнитным резонансом петрофизических свойств геологических структур

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US (1) US5557200A (ru)
EP (1) EP0765486B1 (ru)
CN (1) CN1157041A (ru)
AT (1) ATE229189T1 (ru)
AU (1) AU698536B2 (ru)
CA (1) CA2193066C (ru)
DE (1) DE69529068D1 (ru)
MX (1) MX9606475A (ru)
NO (1) NO965410L (ru)
NZ (1) NZ289730A (ru)
RU (1) RU2146380C1 (ru)
WO (1) WO1995035514A1 (ru)

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