BRPI0418081A - métodos para estimar nìveis de contaminação em fluidos em um furo de sondagem, e para testagem de formação no furo descendente, aparelho para estimar nìveis de contaminação de fluidos de formação em um furo de sondagem, e, meio utilizável por computador - Google Patents
métodos para estimar nìveis de contaminação em fluidos em um furo de sondagem, e para testagem de formação no furo descendente, aparelho para estimar nìveis de contaminação de fluidos de formação em um furo de sondagem, e, meio utilizável por computadorInfo
- Publication number
- BRPI0418081A BRPI0418081A BRPI0418081-0A BRPI0418081A BRPI0418081A BR PI0418081 A BRPI0418081 A BR PI0418081A BR PI0418081 A BRPI0418081 A BR PI0418081A BR PI0418081 A BRPI0418081 A BR PI0418081A
- Authority
- BR
- Brazil
- Prior art keywords
- borehole
- fluid contamination
- contamination levels
- methods
- estimating fluid
- Prior art date
Links
- 238000011109 contamination Methods 0.000 title abstract 7
- 239000012530 fluid Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 238000012360 testing method Methods 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000012549 training Methods 0.000 abstract 2
- 238000013459 approach Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 230000000704 physical effect Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
- G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- High Energy & Nuclear Physics (AREA)
- Mining & Mineral Resources (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Health & Medical Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Sampling And Sample Adjustment (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
"MéTODOS PARA ESTIMAR NìVEIS DE CONTAMINAçãO EM FLUIDOS EM UM FURO DE SONDAGEM, E PARA TESTAGEM DE FORMAçãO NO FURO DESCENDENTE, APARELHO PARA ESTIMAR NìVEIS DE CONTAMINAçãO DE FLUIDOS DE FORMAçãO EM UM FURO DE SONDAGEM, E, MEIO UTILIZáVEL POR COMPUTADOR". Métodos e sistemas são descritos para estimativa do nível de contaminação de fluido de furo descendente usando medições de propriedades físicas, e modelagem matemática de função de contaminação e leis de mistura de propriedades de fluido. As abordagens propostas possibilitam computação de estimativas do tempo de bombeamento necessário para atingir um certo nível de limiar de contaminação.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53250203P | 2003-12-24 | 2003-12-24 | |
PCT/US2004/043437 WO2005065277A2 (en) | 2003-12-24 | 2004-12-23 | Contamination estimation using fluid analysis models |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0418081A true BRPI0418081A (pt) | 2007-04-17 |
Family
ID=34748804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0418081-0A BRPI0418081A (pt) | 2003-12-24 | 2004-12-23 | métodos para estimar nìveis de contaminação em fluidos em um furo de sondagem, e para testagem de formação no furo descendente, aparelho para estimar nìveis de contaminação de fluidos de formação em um furo de sondagem, e, meio utilizável por computador |
Country Status (5)
Country | Link |
---|---|
US (2) | US20050216196A1 (pt) |
EP (1) | EP1702284A4 (pt) |
BR (1) | BRPI0418081A (pt) |
EG (1) | EG25063A (pt) |
WO (1) | WO2005065277A2 (pt) |
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-
2004
- 2004-12-23 EP EP04815505A patent/EP1702284A4/en not_active Withdrawn
- 2004-12-23 BR BRPI0418081-0A patent/BRPI0418081A/pt not_active IP Right Cessation
- 2004-12-23 US US11/022,016 patent/US20050216196A1/en not_active Abandoned
- 2004-12-23 WO PCT/US2004/043437 patent/WO2005065277A2/en active Application Filing
-
2006
- 2006-04-11 US US11/403,171 patent/US7372264B2/en active Active
- 2006-06-22 EG EGNA2006000613 patent/EG25063A/xx active
Also Published As
Publication number | Publication date |
---|---|
US7372264B2 (en) | 2008-05-13 |
US20050216196A1 (en) | 2005-09-29 |
EP1702284A4 (en) | 2012-09-05 |
US20060250130A1 (en) | 2006-11-09 |
EG25063A (en) | 2011-07-26 |
WO2005065277A3 (en) | 2006-07-13 |
WO2005065277A2 (en) | 2005-07-21 |
EP1702284A2 (en) | 2006-09-20 |
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