KR20020067036A - 다상 흐름 측정 시스템 - Google Patents
다상 흐름 측정 시스템 Download PDFInfo
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- KR20020067036A KR20020067036A KR1020027005523A KR20027005523A KR20020067036A KR 20020067036 A KR20020067036 A KR 20020067036A KR 1020027005523 A KR1020027005523 A KR 1020027005523A KR 20027005523 A KR20027005523 A KR 20027005523A KR 20020067036 A KR20020067036 A KR 20020067036A
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- 238000005259 measurement Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims description 134
- 239000007788 liquid Substances 0.000 claims description 120
- 239000012530 fluid Substances 0.000 claims description 33
- 239000012071 phase Substances 0.000 claims description 26
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/0875—Well testing, e.g. testing for reservoir productivity or formation parameters determining specific fluid parameters
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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
- 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
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/08—Air or gas separators in combination with liquid meters; Liquid separators in combination with gas-meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
Abstract
Description
Claims (34)
- 동반 가스를 포함한 대부분 액체 성분을 가지는 대부분 액체 상태, 및 대부분 가스 성분을 가지는 대부분 가스 상태로 유입 다상 흐름을 편석시키는 편석기(104)와, 그리고 상기 대부분 액체 상태의 유량을 측정하는 유량계(166)를 포함하며, 복수의 유동 상태 및 가스 상태를 포함하는 유동 환경에 사용되는 다상 흐름 측정 시스템(100)으로서,상기 대부분 액체 상태 내의 개별 액체 상태 및 개별 가스 상태의 유량을 측정하기 위한 계산을 사용하여 상기 대부분 액체 상태의 유량을 측정하도록 구성된 제어기(112)를 포함하는 시스템.
- 제 1 항에 있어서, 상기 유량계(166)가 질량 유량계를 포함하는 시스템.
- 제 2 항에 있어서, 상기 질량 유량계(166)가 코리올리 질량 유량계인 시스템.
- 제 1 항에 있어서, 상기 대부분 액체 상태의 유량의 계산은 밀도 및 점도로 이루어지는 그룹으로부터 선택된 유체 특성을 결정하는데 사용되는 경험적으로 유도된 관계식을 제외하고는 경험적으로 유도된 관계식이 없는 시스템.
- 제 4 항에 있어서, 제 1 액체 내에 본질적으로 동반 가스 기포를 제공하지 않는 방식으로, 상기 편석기(104)로부터 상기 제 1 액체가 유동하는 액체 측정 흐름 라인(108)과, 그리고상기 액체 흐름 라인(108) 내의 상기 제 1 액체의 밀도 ρL을 결정하는 밀도계(166)를 더 포함하는 시스템.
- 제 5 항에 있어서, 상기 시스템(100)은 상기 대부분 액체 상태의 밀도 ρmeas를 측정하는 제 2 밀도체를 더 포함하며,상기 제어기(112)는 상기 대부분 액체 상태의 밀도 ρmeas와 상기 제 1 액체의 밀도 ρL사이의 관계에 근거하여 공극률 XL을 계산하도록 구성되어, 상기 대부분 액체 상태의 액체 및 가스 성분에 각각 대응하는 각각의 유량 QL및 QG를 제공하도록 상기 대부분 액체 상태의 총 유량 QTL에 상기 공극률 XL을 적용하는 시스템.
- 제 6 항에 있어서, 상기 제어기(112)는 반복 수렴 계산법을 이용하여 상기 공극율 XL을 계산하도록 구성되어 있는 시스템.
- 제 7 항에 있어서, 상기 제어기(112)는 측정된 밀도값과 상기 공극률 XL에 근거한 이론적 밀도값 사이의 차이에 근거한 상기 반복 수렴 계산법을 수렴하도록구성되어 있는 시스템.
- 제 8 항에 있어서, 상기 트랜스미터(112)는 비반복 계산법을 이용하여 공극률 XL을 계산하도록 구성되어 있는 시스템.
- 제 9 항에 있어서, 상기 트랜스미터(112)는 상기 비반복 계산법으로부터의 결과에 대해 상기 반복 계산법으로부터의 결과를 비교하는 것을 포함하여 상기 공극률 XL을 계산하도록 구성되어 있는 시스템.
- 제 6 항에 있어서, 상기 시스템(100)은 상기 다상 흐름 시스템 내의 온도 및 압력에서의 가스 밀도 ρgas를 측정하는 가스 밀도계(154)를 더 포함하며, 그리고상기 트랜스미터(112)는 상기 가스 밀도 ρgas, 상기 액체 밀도 ρL및 상기 공극률 XL에 근거하여 밀도 ρcalc를 계산하도록 구성되어 있는 시스템.
- 제 11 항에 있어서, 상기 트랜스미터(112)는, 상기 공극률 XL을 곱한 상기 가스 밀도 ρgas와, 1에서 상기 공극률 XL을 뺀 후 상기 액체 밀도 ρL을 곱한 값을 더한 값이 상기 밀도 ρcalc와 같다는 관계에 따라 상기 밀도 ρcalc를 계산하도록 구성되어 있는 시스템.
- 제 12 항에 있어서, 상기 트랜스미터(112)는 밀도 ρmeas를 측정하기 위한 상기 수단에 의해 결정되는 값 밀도 ρmeas에 대해 허용가능한 오차의 범위 내에 ρcalc이 수렴할 때 까지 XL의 연속적인 값들을 통해 ρcalc을 반복함으로써 반복 계산을 사용하여 상기 대부분 액체 상태의 상기 유량을 결정하도록 구성되어 있는 시스템.
- 제 13 항에 있어서, 상기 트랜스미터(112)는, 가스 공극률 XLi가 상기 밀도 ρcalc에서, 상기 밀도 ρmeas를 ρcalc로 나눈 값을 뺀 값 동일하며 ρcalc의 반복 어림에 근거한 가스 공극률이라는 관계에 따라 상기 밀도 ρcalc의 값을 반복하도록 구성되어 있는 시스템.
- 제 11 항에 있어서, 상기 대부분 액체 상태가 의도된 사용 환경 내에 오일 상태 및 물 상태를 포함할 때 상기 밀도 ρcalc에 근거한 상기 대부분 액체 상태 내의 워터 컷 WC를 측정하는 워터 컷 모니터(172)를 더 포함하는 시스템.
- 제 15 항에 있어서, 상기 워터 컷 모니터(172)는, 상기 워터 컷 WC가 상기 밀도 ρcalc에서, 워터 밀도 - 상기 오일 밀도로 나눈 값을 뺀 값과 동일하며, 상기 오일 밀도는 상기 대부분 액체 상태 내의 오일의 밀도이며, 상기 워터 밀도는 상기대부분 액체 상태 내의 물의 밀도인 관계에 따라 작동하는 시스템.
- 제 1 항에 있어서, 상기 시스템(100)은 상기 편석기로부터 전달된 대부분 가스 성분의 밀도 ρmgas를 측정하는 밀도계(154)와,상기 대부분 가스 성분의 유동을 측정하는 가스 유량계(154)를 더 포함하는 시스템.
- 제 17 항에 있어서, 상기 트랜스미터는 상기 밀도 ρmgas를 사용하는 밀도에 근거한 상기 대부분 가스 상태의 공극률 XG를 계산하도록 구성되어 있는 시스템.
- 액체 상태 및 기체 상태를 포함하는 흐름 환경에서 다상 흐름 측정을 실행하기 위한 방법(P200)으로서,동반 가스를 갖춘 대부분 액체 성분을 가지는 대부분 액체 상태와 대부분 가스 성분을 가지는 대부분 가스 상태로 유입 다상 흐름을 편석시키는 단계(P204)와,상기 대부분 액체 상태의 유량을 측정하는 단계(P210)와, 그리고상기 대부분 액체 상태 내의 개별의 액체 상태와 개별의 가스 상태의 유량을 정하도록 계산하는 단계(226)를 포함하는 방법.
- 제 19 항에 있어서, 상기 계산하는 단계는 밀도, 점도 및 비경험적으로 유도된 관계식을 포함하는 그룹으로부터 선택된 유체 특성들을 결정하도록 사용되 경험적으로 유도된 관계식을 제외하고는 경험적으로 유도된 관계식이 없는 방법.
- 상기 대부분 액체 상태의 유량을 측정하는 단계는,제 1 대부분 액체 내에 동반 가스 기포를 본질적으로 제공하지 않는 방식으로 상기 편석 수단으로부터 상기 제 1 액체를 유동시키는 단계를 포함하는 방법.
- 제 21 항에 있어서, 상기 대부분 액체 상태의 유량을 측정하는 단계는,정상 흐름의 조건 하에서, 상기 액체 상태 내에 동반 가스 기포를 포함할 가능성이 있는 상기 대부분 액체 상태 내의 밀도 ρmeas를 측정하는 단계(P210)와,상기 결정된 밀도 ρmeas와 상기 밀도 ρL사이의 관계에 근거한 공극률 XL을 계산하는 단계(P214)와, 그리고상기 대대분 액체 상태의 상기 액체 성분의 유량 QL과 상기 가스 성분의 유량 QG각각을 제공하기 위해, 상기 대부분 액체 상태의 총 유량 QTL에 상기 공극률 XL을 적용하는 단계를 포함하는 방법.
- 제 22 항에 있어서, 상기 공극률 XL을 계산하는 단계(P214)는 반복 수렴 계산을 실행하는 단계를 포함하는 방법.
- 제 23 항에 있어서, 상기 반복 수렴 계산은 측정된 밀도값과 상기 공극률 XL에 근거한 이론적인 밀도값 사이의 차이에 근거하여 수렴되는 방법.
- 제 24 항에 있어서, 상기 공극률 XL을 계산하는 단계(P214)는 비반복 계산을 실행하는 단계를 포함하는 방법.
- 제 25 항에 있어서, 상기 공극률 XL을 계산하는 단계(P214)는,최고의 해답을 얻도록 상기 비반복 계산으로부터의 결과에 대해 상기 반복 계산의 결과를 비교하는 단계를 포함하는 방법.
- 제 22 항에 있어서, 다상 흐름 측정 시스템 내의 온도 및 압력에서의 가스 밀도 ρgas를 측정하는 단계와,상기 대부분 액체 상태의 액체 밀도 ρL를 측정하는 단계와,상기 결정된 ρmeas및 상기 밀도 ρL사이의 관계에 근거하여 공극률 XL을 계산하는 단계(P214)와,상기 공극률 XL을 계산하는 단계로부터 결정된 상기 공극률 XL, 상기 액체 밀도 ρL및 상기 가스 밀도 ρgas로부터, 밀도 ρcalc를 계산하는 단계(P216)를 포함하는 방법.
- 제 27 항에 있어서, 상기 밀도 ρcalc를 계산하는 단계(P216)는 관계식:Pcalc= (PgasXL) + (1-XL)PL에 따라 작동하며,XL은 상기 대부분 액체 성분의 공극률인 방법.
- 제 28 항에 있어서, 상기 밀도 ρcalc를 계산하는 단계(P216)는,상기 밀도 ρmeas를 측정하는 단계로부터 결정되는 값 ρmeas에 대한 허용가능한 오차의 범위 내에 ρcalc가 수렴할 때 까지 XL의 연속적인 값들을 통해 ρcalc의 값을 반복하는 단계를 포함하는 방법.
- 제 31 항에 있어서, 상기 ρcalc의 값을 반복하는 단계는 관계식:XLi= (Pcalc-Pmeas)/Pcalc에 따라 작동하며,상기 XLi는 ρcalc의 반복 어림에 근거한 가스 공극률인 방법.
- 제 30 항에 있어서, 밀도 ρcalc에 근거하여 상기 대부분 액체 상태에서의 워터 컷 WC를 계산하는 단계(P224)를 포함하는 방법.
- 제 31 항에 있어서, 상기 워터 컷 WC를 계산하는 단계(P224)는 관계식:WC = (Pcalc-PO)/(PW-PO)에 따라 작동하며,상기 PO는 상기 대부분 액체 상태 내의 오일의 밀도이고, 상기 PW는 상기 대부분 액체 상태 내의 물의 밀도인 방법.
- 제 22 항에 있어서, 대부분 가스 상태의 밀도 ρmgas를 측정하는 단계(P222)와, 그리고상기 대부분 가스 상태의 유량을 측정하는 단계(P222)를 포함하는 방법.
- 제 33 항에 있어서, 상기 밀도 ρmgas를 측정하기 위한 수단으로부터 결정된 상기 밀도 ρmgas를 사용하여 밀도에 근거한 상기 대부분 가스 상태 내의 공극률 XG를 계산하는 단계를 포함하는 방법.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7681444B2 (en) | 2005-06-29 | 2010-03-23 | Micro Motion, Inc. | Method and apparatus for measuring the density of one component in a multi-component flow |
KR100966890B1 (ko) * | 2008-02-28 | 2010-06-30 | 김승규 | 기존 교량의 보수, 보강시 지반에 설치되는 강재말뚝의압입방법 및 장치 |
US10508997B1 (en) | 2018-05-28 | 2019-12-17 | Korea Institute Of Geoscience And Mineral Resources | Method of analyzing fines migration in multiphase flow in sediment layer using X-ray computed tomography image |
Also Published As
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JP2003513234A (ja) | 2003-04-08 |
WO2001031298A3 (en) | 2001-12-13 |
CA2389145C (en) | 2007-02-13 |
EP1224440A2 (en) | 2002-07-24 |
US6564619B2 (en) | 2003-05-20 |
MXPA02004238A (es) | 2003-02-12 |
CN1415070A (zh) | 2003-04-30 |
CN1187580C (zh) | 2005-02-02 |
BR0015083A (pt) | 2002-10-29 |
CA2389145A1 (en) | 2001-05-03 |
RU2002113739A (ru) | 2004-02-10 |
KR100505965B1 (ko) | 2005-08-03 |
US20050016292A1 (en) | 2005-01-27 |
JP4890713B2 (ja) | 2012-03-07 |
WO2001031298A2 (en) | 2001-05-03 |
US6318156B1 (en) | 2001-11-20 |
US20030136185A1 (en) | 2003-07-24 |
US20020033043A1 (en) | 2002-03-21 |
RU2270981C2 (ru) | 2006-02-27 |
BRPI0015083B1 (pt) | 2017-02-14 |
AR031833A1 (es) | 2003-10-08 |
US7013715B2 (en) | 2006-03-21 |
HK1053694A1 (en) | 2003-10-31 |
US6810719B2 (en) | 2004-11-02 |
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