Glossary entry (derived from question below)
English term or phrase:
thief zone
Portuguese translation:
Zona de formação porosa ou Zona ladra
English term
thief zone
The consistency of the cross-linked plug will range from a solid plug to a rubbery plug that will move and flex with the pump rates. Penetration into the thief zone will not be hindered with any concentrations. (Professional Fluid Services, LLC)
An operator working in Argentina wanted to eliminate running 20" surface casing by drilling with casing while isolating the shallowest thief zone. The operator drilled an 870 ft section to reach section TD at 20.5 ft/hr through clay and soft sandstone, successfully isolating the trouble zone with 17 1/2" EZCase technology on 13 3/8" casing. (Baker Hughes Incorporated)
Significant challenges exist when drilling through and below salt formations. The thief zone at the base of the salt can introduce severe lost circulation and well control problems, often resulting in loss of the interval or the entire well. (CBS Interactive Inc.)
| 3 +2 | Zona de formação porosa ou Zona ladra |
Marcos Antonio
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| 5 | zona de ladrão |
Angela Almeida
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Mar 2, 2010 14:48: changed "Kudoz queue" from "In queue" to "Public"
Mar 2, 2010 14:55: changed "Stage" from "Preparation" to "Submission"
Mar 5, 2010 15:55: changed "Stage" from "Submission" to "Selection"
Apr 7, 2010 23:54: changed "Stage" from "Selection" to "Completion"
Proposed translations
Electric Engineer/Military
Native in: Portuguese 
Works in: English to Portuguese, Portuguese to English
Zona de formação porosa ou Zona ladra
Definition of Thief zone. ... THIEF ZONE A very porous formation downhole into which drilling mud is lost.Thief zones, which also include crevices and ... (Internet)
Plugs também são usados para a vedação de zonas de formação porosa que permitem a ...... pela entrada do mesmo em uma formação porosa (ladra - thief formation), ...... Letra Z ZONE - ZONA - Região mapeada pela geologia onde futuramente ... (Internet)
do mesmo em uma formação porosa (ladra - thief formation), ...... ZONE - ZONA - Região mapeada pela geologia onde futuramente serão feitos estudos de fundo. ... (Internet)
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Maria João Ivo
5 days
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Obrigado, Maria Ivo. Um ótimo final de semana.
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TFaulkner
32 days
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Grato, tfaulkner
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Brazil
Freelance Translator
Native in: Portuguese 
Works in: English to Portuguese, Portuguese to English, English to Spanish, and 2 more.
zona de ladrão
Após a penetração da zona de ladrão, a taxa de perda de líquido irá diminuir gradualmente, pois para qualquer profundidade a taxa de perda por unidade de comprimento líquido diminui com o tempo e a superfície exposta da zona de ladrão é constante. (Oil & Gas Journal)
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