JP2017500563A - 気体/液体系の多相流体の流量測定を与えるためのnmr信号の解析方法 - Google Patents
気体/液体系の多相流体の流量測定を与えるためのnmr信号の解析方法 Download PDFInfo
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- JP2017500563A JP2017500563A JP2016538704A JP2016538704A JP2017500563A JP 2017500563 A JP2017500563 A JP 2017500563A JP 2016538704 A JP2016538704 A JP 2016538704A JP 2016538704 A JP2016538704 A JP 2016538704A JP 2017500563 A JP2017500563 A JP 2017500563A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/716—Measuring the time taken to traverse a fixed distance using electron paramagnetic resonance [EPR] or nuclear magnetic resonance [NMR]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (9)
- a) 多相流体が流れる、測定および分析磁気共鳴モジュールを提供し、
b) 磁気共鳴モジュールに入る前に多相流体が流れる前分極モジュールを提供し、
c) 前分極モジュールおよび磁気共鳴モジュールに多相流体を流し、
d) 多相流体が磁気共鳴モジュールを流れるときに、磁場勾配の存在下で少なくとも1度および磁場勾配の不存在下で少なくとも1度ラジオ周波数パルスシーケンスを多相流体に印加し、RFパルスシーケンスによって生成された、予め決定された数のスピンエコーの強度を測定し、
e) 印加された磁場勾配を有する少なくとも1つの非気相に対する、測定されたスピンエコーの傾きおよび切片の比と、流速との間の第1の較正を使用して、非気相の流速を決定し、
f) 印加された磁場勾配を有するおよび有さない、流速の関数としての非気相の信号強度の第2の較正を使用して、非気体信号の勾配誘起減衰を補正し、非気相の勾配補正信号強度を計算し、
g) 工程e)で決定された流体流速で測定された多相流体のNMR信号から非気相の勾配補正信号強度を減算して、気相に対応する信号を決定し、および
h) 工程g)で決定された気体信号から気相の体積分率および流速を決定する
ことを含む飛行時間測定を使用しないでパイプ中を流れる多相流体における気相および液相を区別する方法。 - ラジオ周波数パルスシーケンスがCPMGパルスシーケンスである請求項1に記載の方法。
- 磁場勾配がRFシーケンスの間一定である請求項1に記載の方法。
- 磁場勾配がRFシーケンスの間パルス状である請求項1に記載の方法。
- 工程h)が、工程g)からの計算された気体信号の傾きおよび切片とともに純粋な気体に対する流量較正を使用して気体流速を決定することをさらに含む請求項1に記載の方法。
- 少なくとも工程e)からh)が流れの断面積の複数のセグメントに対して実行される請求項5に記載の方法。
- 流れの断面積のセグメントが水平セグメントである請求項6に記載の方法。
- 工程h)が、気体の体積分率に気体流速を乗じて気相の体積流量を得ることをさらに含む請求項7に記載の方法。
- 多相流体が気体を含み、この気体が15MPa未満の圧力で磁気共鳴モジュールを流れる請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201361915607P | 2013-12-13 | 2013-12-13 | |
US61/915,607 | 2013-12-13 | ||
PCT/US2014/068692 WO2015088888A1 (en) | 2013-12-13 | 2014-12-05 | Method of interpreting nmr signals to give multiphase fluid flow measurements for a gas/liquid system |
Publications (2)
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JP2017500563A true JP2017500563A (ja) | 2017-01-05 |
JP6553612B2 JP6553612B2 (ja) | 2019-07-31 |
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JP2016538704A Expired - Fee Related JP6553612B2 (ja) | 2013-12-13 | 2014-12-05 | 気体/液体系の多相流体の流量測定を与えるためのnmr信号の解析方法 |
Country Status (11)
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US (1) | US10001395B2 (ja) |
EP (1) | EP3080559B1 (ja) |
JP (1) | JP6553612B2 (ja) |
CN (1) | CN105849509B (ja) |
AR (1) | AR098734A1 (ja) |
AU (1) | AU2014364155B2 (ja) |
BR (1) | BR112016013206B1 (ja) |
CA (1) | CA2932002C (ja) |
MY (1) | MY187312A (ja) |
RU (1) | RU2666124C1 (ja) |
WO (1) | WO2015088888A1 (ja) |
Families Citing this family (15)
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US20160076924A1 (en) * | 2014-09-16 | 2016-03-17 | Spinlock Srl | Field cycling magnetic resonance based method and apparatus to measure and analyze flow properties in flowing complex fluids |
DE102015005300A1 (de) * | 2014-11-27 | 2016-06-02 | Krohne Ag | Verfahren zum Betreiben eines kernmagnetischen Durchflussmessgeräts |
GB201516324D0 (en) * | 2015-09-15 | 2015-10-28 | Gill Corporate Ltd | A nuclear magnetic resonance flowmeter and a method of measuring flow using nuclear magnetic resonance |
DE102016108996A1 (de) * | 2016-05-15 | 2017-11-16 | Krohne Ag | Verfahren zum Betreiben eines kernmagnetischen Durchflussmessgeräts und kernmagnetisches Durchflussmessgerät |
WO2018069050A1 (en) * | 2016-10-10 | 2018-04-19 | Koninklijke Philips N.V. | Gradient impulse response function mapping |
WO2018089795A1 (en) | 2016-11-10 | 2018-05-17 | Qoravita LLC | System and method for applying a low frequency magnetic field to biological tissues |
CN107525553B (zh) | 2017-09-19 | 2019-09-06 | 中国石油天然气股份有限公司 | 一种确定多相流体组分流量的方法及装置 |
CN107942398B (zh) * | 2017-11-07 | 2020-05-08 | 中国石油天然气股份有限公司 | 一种确定多相流体流速的方法及装置 |
CN108426909B (zh) * | 2018-02-11 | 2019-12-27 | 中国石油大学(北京) | 核磁共振弛豫时间和流速同步快速测量的方法及装置 |
CN109115821B (zh) * | 2018-07-24 | 2021-09-24 | 张善文 | 一种核磁共振流体计量仪探头及流体计量方法 |
DE102019125121B4 (de) * | 2019-09-18 | 2021-06-10 | Krohne Ag | Verfahren zur Bestimmung einer abgeleiteten Eigenschaft eines Mediums und kernmagnetisches Messgerät, Computerprogrammprodukt und computerlesbares Speichermedium für ein solches |
RU2748894C1 (ru) * | 2020-07-16 | 2021-06-01 | Общество с ограниченной ответственностью "Тюменский нефтяной научный центр" (ООО "ТННЦ") | Способ определения эффективного водородного индекса флюидов, полностью или частично насыщающих поровое пространство естественно-насыщенных образцов горных пород |
DE102021111162A1 (de) * | 2021-04-30 | 2022-11-03 | Krohne Ag | Verfahren zum Bestimmen eines Flüssigkeitsanteils eines strömenden Mediums mit einem kernmagnetischen Durchflussmessgerät |
CN116412863A (zh) * | 2021-12-31 | 2023-07-11 | 中国石油天然气股份有限公司 | 多相流量计量系统及方法 |
WO2023235583A1 (en) * | 2022-06-03 | 2023-12-07 | Chevron U.S.A. Inc. | Quantification of liquid and correction of gas flow rate in a gas pipeline using phase behavior |
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- 2014-12-05 RU RU2016128409A patent/RU2666124C1/ru active
- 2014-12-05 US US15/103,429 patent/US10001395B2/en active Active
- 2014-12-05 BR BR112016013206-8A patent/BR112016013206B1/pt active IP Right Grant
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Publication number | Publication date |
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US10001395B2 (en) | 2018-06-19 |
CN105849509B (zh) | 2019-05-14 |
AR098734A1 (es) | 2016-06-08 |
CA2932002C (en) | 2022-08-02 |
EP3080559A1 (en) | 2016-10-19 |
WO2015088888A1 (en) | 2015-06-18 |
BR112016013206B1 (pt) | 2021-06-15 |
US20160313159A1 (en) | 2016-10-27 |
MY187312A (en) | 2021-09-21 |
AU2014364155A1 (en) | 2016-06-09 |
JP6553612B2 (ja) | 2019-07-31 |
RU2666124C1 (ru) | 2018-09-10 |
CN105849509A (zh) | 2016-08-10 |
CA2932002A1 (en) | 2015-06-18 |
AU2014364155B2 (en) | 2017-03-02 |
EP3080559B1 (en) | 2019-06-12 |
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