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Carotte de fond

English translation: bottom core

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:Carotte de fond
English translation:bottom core

08:55 Jun 23, 2011
    The asker opted for community grading. The question was closed on 2011-06-26 22:54:15 based on peer agreement (or, if there were too few peer comments, asker preference.)


French to English translations [PRO]
Tech/Engineering - Petroleum Eng/Sci
French term or phrase: Carotte de fond
In an "End of exploration drilling report"
" Des cutting ont été prélevés tout le long du puits (sauf dans les zones à perte de circulation). L'échnatillonnage a été intégré par 14 carottes de fond et 10 carottes latérales."

"Les carottes de fond suivantes ont été prélevées:" follows a list of depth intervals, with % of recovery, lithology and formation)
Virgile
Australia
Local time: 12:00
bottom core
Explanation:
http://www.sciencedirect.com/science/article/pii/01466313599...

books.google.co.uk/books?isbn=0070231591
Selected response from:

mimi 254
Local time: 03:00
Grading comment
Thanks, that was the right answer. I was doubtful, but Bourth convinced me!
2 KudoZ points were awarded for this answer



Summary of answers provided
3 +1bottom core
mimi 254
3deep core sample
liz askew
3 -1deep core
Marion Feildel (X)
Summary of reference entries provided
Subsoil investigations
Bourth (X)

Discussion entries: 4





  

Answers


12 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): -1
deep core


Explanation:
;;


    Reference: http://books.google.com.tr/books?id=6WGS4xa1k7kC&pg=PA243&lp...
Marion Feildel (X)
Türkiye
Local time: 05:00
Native speaker of: French

Peer comments on this answer (and responses from the answerer)
disagree  Bourth (X): A carotte de fond can be taken at any depth or shallowness.
3 hrs
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35 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
bottom core


Explanation:
http://www.sciencedirect.com/science/article/pii/01466313599...

books.google.co.uk/books?isbn=0070231591

mimi 254
Local time: 03:00
Native speaker of: Native in EnglishEnglish, Native in FrenchFrench
PRO pts in category: 6
Grading comment
Thanks, that was the right answer. I was doubtful, but Bourth convinced me!

Peer comments on this answer (and responses from the answerer)
agree  Arnaud Caudal
21 mins
  -> Thanks!
disagree  B D Finch: In your reference, "bottom" refers to the ocean bottom or sea bed. As the lateral cores would also be from the ocean bottom, if this is offshore drilling, your answer is wrong.
27 mins
  -> the ref might be "referring to the ocean bottom" as you put it, but "carotte de fond" here means "bottom core (sample)"
agree  Bourth (X): See Reference
2 hrs
  -> Thanks!
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1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5
deep core sample


Explanation:
[PDF] Permeability of Deep Drillhole Core Samples
File Format: PDF/Adobe Acrobat - Quick View
by CA Morrow - Cited by 2 - Related articles
the bulk of the rock. The permeability of deep core samples is also more sensitive to pressure than equivalent rocks obtained from surface outcrops. In ...
earthquake.usgs.gov/research/physics/lab/Nojima_text_Morrow.pdf

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Note added at 1 hr (2011-06-23 09:57:39 GMT)
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oh sorry

it IS "bottom"

bottom sampling

or core samples from the bottom of the ocean:)

[PDF] BOTTOM SAMPLING AND ENVIRONMENTAL NICHES
File Format: PDF/Adobe Acrobat
by JB Lackey - Cited by 19 - Related articles
tances, the question of what constitutes a representative sample may well be raised,. Analysis of core samples from the ocean bottom at Woods Hole, ...
www.aslo.org/lo/toc/vol_6/issue_3/0271.pd


--------------------------------------------------
Note added at 1 hr (2011-06-23 09:58:09 GMT)
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so

bottom core sample

but I don't want the points...

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Note added at 1 hr (2011-06-23 09:59:08 GMT)
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i.e.

a core sample from the bottom of the ocean/ocean bed

this is how I understand it:)

liz askew
United Kingdom
Local time: 03:00
Native speaker of: Native in EnglishEnglish
PRO pts in category: 19

Peer comments on this answer (and responses from the answerer)
agree  B D Finch: You were right in the first place. The carottes de fond are in apposition to carottes latérales, which must also come from the bottom of the ocean unless they are just water.
8 mins
disagree  Bourth (X): Ref. to latéral suggests this is about the coring technique, not the location. // Er, ... yes ... that's called context and it helps put 2 and 37.659 together.
2 hrs
  -> carottes de fond and carottes latérales are two separate things. The query is "carottes de fond".
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Reference comments


3 hrs peer agreement (net): +1
Reference: Subsoil investigations

Reference information:
When investigating the subsoil and wishing to obtain core samples, you can either core the full depth (done for major infrastructure projects such as dams where information about every centimetre of depth is important) or you can rotary (destructive) drill to the depth you feel might be of interest, as in mineral prospection for instance, take a core sample from the bottom of that hole, then drill deeper if necessary and repeat the operation as many times as necessary, or you can drill a hole to the full depth envisaged, take a bottom core sample (from the bottom) and subsequently, if required, take sidewall core samples (carottage latéral à balles - CLAB) at other depths down the hole.

Unless drilling upwards or horizontally, a "conventional" or axial core sample is necessarily a bottom core sample at the time it is taken.



--------------------------------------------------
Note added at 3 hrs (2011-06-23 12:36:48 GMT)
--------------------------------------------------

Downhole coring operations generally fall into two categories: AXIAL AND SIDEWALL CORING. "Axial coring," or conventional coring, ...
www.docstoc.com › Legal › Patents › Earth Working

BOTTOM CORING, AT THE TIME OF DRILLING, utilizes an open center bit that cuts a ... (b) Sidewall CORING AFTER DRILLING is often desirable to obtain core ...
books.google.com/books?isbn=3540788360...
Either BOTTOM CORING or SIDEWALL CORING may generate these samples. We assume that any surface contamination from the core tooling and any drilling fluid ...
library.lanl.gov/la-pubs/00393743.pdf
For info:
Sidewall coring (carottage latéral À BALLES):
A coring technique in which core samples are obtained from the hole wall in a zone that has already been drilled. a hollow BULLET is fired into the formation wall to capture the core and then retrieved on a flexible steel cable. core samples of this type usually range from 3/4 to 1-3/16 inches (20 to 30 millimeters) in diameter and from 3/4 to 4 inches (20 to 100 millimeters) in length. this method is especially useful in soft-rock areas.
http://oilgasglossary.com/sidewall-coring.html

Bourth (X)
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 168
Note to reference poster
Asker: Thank you so much Bourth. You actually provided the answer I was after. The others, (even the right one!), sounded too much like guesswork.


Peer comments on this reference comment (and responses from the reference poster)
agree  piazza d
52 mins
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