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MISCIBILITY [13 records]

Record 1 2012-10-12

English

Subject field(s)
  • Analytical Chemistry
  • Oil Production
DEF

A benchtop laboratory test providing a qualitative measure of the phase behavior, miscibility and interfacial tension between surfactant formulations and oils.

French

Domaine(s)
  • Chimie analytique
  • Production pétrolière
CONT

Essai en fiole fermée.

Spanish

Save record 1

Record 2 2012-06-20

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Water Treatment (Water Supply)
CONT

There may be partial miscibility; for instance, two substances are miscible only above a critical temperature... or below a minimum temperature... or between two critical temperatures...

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Traitement des eaux
CONT

Il peut y avoir une miscibilité partielle : par exemple, deux substances ne sont miscibles qu'au-dessus d'une température critique[,] au-dessous d'une limite inférieure [...] ou entre deux températures critiques [...]

Spanish

Save record 2

Record 3 2007-03-14

English

Subject field(s)
  • Oil Production
CONT

Hydrocarbon solvent slug injection.... Miscibility between reservoir oil and injected fluids is obtained by first injecting a slug of intermediate hydrocarbons... into injection wells, and following the slug with gas injected into the same wells.

PHR

Slug of solvent, of hydrocarbon solvent.

French

Domaine(s)
  • Production pétrolière
CONT

Bouchon de fluide injecté dans le réservoir durant le déplacement miscible.

CONT

L'intérêt pratique des déplacements miscibles est apparu quand on a découvert : [...] qu'il suffisait [...] d'injecter un «bouchon» de solvant de volume limité [...] poussé par un fluide de chasse beaucoup moins onéreux.

OBS

On utilise fréquemment dans la récupération assistée d'hydrocarbures, un bouchon de matières actives (procédés chimiques) ou un bouchon de solvant (procédés miscibles) pour déplacer l'huile en place.

Spanish

Save record 3

Record 4 2003-12-23

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Chemistry
DEF

The ability of a liquid or gas to dissolve uniformly in another liquid or gas.

OBS

Gases mix with one another in all proportions. This may or may not be true of liquids, whose miscibility properties depend on their chemical nature.... Liquids that do not mix at all are said to be immiscible, as oil and water. The term "solubility" is often used synonymously with "miscibility" in reference to liquids, but it more properly applies to solids.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Chimie
DEF

Aptitude des fluides à être mélangés entre eux sans qu'il en résulte de séparation de phases.

Spanish

Campo(s) temático(s)
  • Mecánica de fluidos e hidráulica (Física)
  • Química
DEF

Tendencia de un líquido a mezclarse con otro.

Save record 4

Record 5 2003-10-08

English

Subject field(s)
  • Scientific Instruments
  • Effects of Heat (Energy Transfer)
CONT

The only known case where slightly pressurized water at 200°C or more has been transmitted successfully over 1 1/2 km or so was the experimental pilot hot water scheme described ... [above], where the needs for pumping, attemperation and controlled valve movement speed were emphasized.

OBS

For all lab procedures requiring controlled shaking and temperature, including tissue culture, enzyme studies, incubations, mixing, stabilization tests, aging tests and tests for miscibility.

OBS

Term related to Shaker Baths. [Source: Canlab Catalog. Chapter "Water Baths."]

French

Domaine(s)
  • Instruments scientifiques
  • Effets de la chaleur (Transfert de l'énergie)
CONT

Conçu pour toutes les applications de laboratoire nécessitant une régulation de la température et de l'agitation, y compris cultures tissulaires, études enzymatiques, incubations, mélanges, essais de stabilisation, de vieillissement et d'homogénéisation.

OBS

Terme concernant les bains-marie à agitation. [Source : Catalogue Canlab : Chapitre «Bains».]

Spanish

Campo(s) temático(s)
  • Instrumentos científicos
  • Efectos del calor (Traspaso de energía)
Save record 5

Record 6 2002-11-18

English

Subject field(s)
  • Acoustics (Physics)
  • Space Centres
CONT

An acoustic mixer, used to ultrasonically mix metallic melts, was developed for the experiment. The mixer allowed low-temperature processing of the immiscible material : the two components were heated to just above their respected melt temperatures.(Previously, alloys had been heated above the miscibility gap to mix the components.) Thus, the benefits of acoustic mixing included(1) a reduction in experiment power requirements and(2) a shortened sample cooling time. These benefits were important because of the short low-gravity period(approximately 6 minutes) available during the TEXUS sounding rocket mission.

French

Domaine(s)
  • Acoustique (Physique)
  • Centres spatiaux

Spanish

Save record 6

Record 7 2002-09-24

English

Subject field(s)
  • Crude Oil and Petroleum Products
  • Fluid Mechanics and Hydraulics (Physics)
DEF

The property of a product of forming with water either a solution or a stable dispersion. [Definition standardized by ISO.]

OBS

water miscibility : term standardized by ISO.

French

Domaine(s)
  • Pétroles bruts et dérivés
  • Mécanique des fluides et hydraulique (Physique)
DEF

Propriété d'un produit de former avec l'eau soit une solution, soit une dispersion stable. [Définition normalisée par l'ISO.]

OBS

miscibilité à l'eau : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Petróleo bruto y derivados
  • Mecánica de fluidos e hidráulica (Física)
Save record 7

Record 8 2001-11-06

English

Subject field(s)
  • Chemistry
  • Oil Production
CONT

If reservoir pressure is considerable below miscibility pressure, large volumes of CO2 will be needed to obtain miscibility.

French

Domaine(s)
  • Chimie
  • Production pétrolière
CONT

La pression de miscibilité pour un couple gaz-huile est [...] indépendante du milieu poreux et des conditions de déplacement. On peut la déterminer expérimentalement sur milieu poreux artificiel [...]

Spanish

Save record 8

Record 9 2000-05-30

English

Subject field(s)
  • Oil Production
CONT

Gravity segregation, high mobility ratios, irregular permeability and trapping of solvent by dead-end pores combine to cause deterioration(of the injected slugs) and loss of miscibility.

French

Domaine(s)
  • Production pétrolière

Spanish

Save record 9

Record 10 2000-05-10

English

Subject field(s)
  • Oil Production
CONT

... the enriched slug must contain at least 42 mol% of propane in order to maintain miscibility.

French

Domaine(s)
  • Production pétrolière

Spanish

Save record 10

Record 11 2000-05-10

English

Subject field(s)
  • Oil Production
CONT

... if the enriching agent is propane, the enriched slug must contain at least 42 mol% of propane in order to maintain miscibility.

French

Domaine(s)
  • Production pétrolière

Spanish

Save record 11

Record 12 2000-04-26

English

Subject field(s)
  • Oil Production
DEF

A method of fluid injection. This method requires that three fluids exist in the reservoir: the mobile oil to be displaced, a displacing fluid moving as a bank behind the oil, and a fluid injected for the sole purpose of propelling the displacing fluid through the reservoir.

DEF

A method of enhanced recovery in which various hydrocarbon solvents or gases (as propane, LPG, natural gas, or a mixture thereof) are injected into the reservoir to reduce interfacial forces between oil and water in the pore channels and thus displace oil from the reservoir rock.

CONT

The concept of miscible displacement of oil by CO2 has been known for many years ...

OBS

A miscible fluid is formed when injected CO2 mixes with reservoir oil... When miscibility occurs the forces of capillary pressure... disappear and the oil is then free to be carried forward to the producing well.

French

Domaine(s)
  • Production pétrolière
DEF

Procédé de récupération de l'huile en place par élimination des pressions capillaires à l'aide de fluides qui lui sont miscibles en toutes proportions.

CONT

Dans le déplacement par injection de fluides miscible, pour réduire les phénomènes interfaciaux qui retiennent une certaine quantité de pétrole piégé à l'intérieur des pores de la roche-réservoir, on fait appel à un fluide déplaçant, miscible avec le pétrole en place. Les quatre principaux procédés sont : l'injection de gaz «pauvre», qui peut être du méthane pur, ou même de l'azote, sous haute pression; l'injection d'un bouchon de propane ou de butane, suivi de gaz pauvre; l'injection de gaz «enrichi», c'est-à-dire de mélanges d'hydrocarbures saturés en C2 à C4, suivi de gaz pauvre; l'injection de gaz carbonique, procédé qui est le plus intéressant lorsqu'une source de ce gaz existe à proximité.

OBS

Terme officiellement recommandé par le Gouvernement français.

Spanish

Save record 12

Record 13 2000-02-09

English

Subject field(s)
  • Oil Production
DEF

A miscible hydrocarbon displacement process consisting in the injection of a liquid hydrocarbon slug equivalent to about 5% PV followed by natural gas, or gas and water, in order to drive the slug through the reservoir.

CONT

... miscible slug flooding is best applied to reservoirs with the following characteristics : oil viscosity less than 5 cp... steeply dipping reservoir rock... homogeneous permeability less than 100 md, reservoir temperature below the critical temperature of the slug and sufficient pressure for miscibility...

French

Domaine(s)
  • Production pétrolière
OBS

Pour améliorer les récupérations d'huile, il vient tout naturellement à l'esprit de ne pas employer un fluide quelconque, mais un fluide miscible avec l'huile.

Spanish

Save record 13

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