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differential-pressure sticking [1 record]
Record 1 - internal organization data 2000-07-12
Record 1, English
Record 1, Subject field(s)
- Oil Drilling
Record 1, Main entry term, English
- differential-pressure sticking
1, record 1, English, differential%2Dpressure%20sticking
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- wall sticking 1, record 1, English, wall%20sticking
correct
- differential wall sticking 2, record 1, English, differential%20wall%20sticking
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A condition in which the drill stem becomes stuck against the wall of the wellbore due to the fact that part of the drill stem (usually the drill collars) has become embedded in the filter cake. The conditions essential for sticking to occur are a permeable formation and a pressure differential across a nearly impermeable filter cake and drill stem. 1, record 1, English, - differential%2Dpressure%20sticking
Record 1, French
Record 1, Domaine(s)
- Forage des puits de pétrole
Record 1, Main entry term, French
- collage par pression différentielle
1, record 1, French, collage%20par%20pression%20diff%C3%A9rentielle
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- coincement par pression différentielle 2, record 1, French, coincement%20par%20pression%20diff%C3%A9rentielle
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Collage (par pression différentielle (Differential Pressure sticking). Le collage ne peut se produire que lorsque le train de sonde est immobile. Dans un puits même faiblement incliné, les masses-tiges reposent sur les parois du puits et exercent une pression de contact non négligeable. Les masses-tiges s'enfoncent dans le cake augmentant la compacité, la surface de contact et annulent l'effet de filtration. La pression de boue qui s'exerçait auparavant tout autour de la masse-tige ne s'exerce plus que d'un seul côté et applique le train de sonde contre la paroi du puits et ceci d'autant plus fortement que la pression hydrostatique de la colonne de boue dépasse la pression de la couche : c'est le collage. 3, record 1, French, - collage%20par%20pression%20diff%C3%A9rentielle
Record 1, Key term(s)
- coinçage par pression différentielle
Record 1, Spanish
Record 1, Textual support, Spanish
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