Bohrkuchen

English translation: (mud / sidewall) cake

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:Bohrkuchen
English translation:(mud / sidewall) cake

08:12 Oct 28, 2004
German to English translations [Non-PRO]
Tech/Engineering - Mechanics / Mech Engineering / Construction
German term or phrase: Bohrkuchen
Es gilt hier also den an der Bohrlochwand verdichteten Bohrkuchen zu mobilisieren und aus dem Filterkorngerüst auszutragen.
Alex
(mud / sidewall) cake
Explanation:
http://www.spwla.org/library_info/glossary/reference/glossm/...
mud cake
Filter cake. The residue deposited on the borehole wall as the mud loses filtrate into porous, permeable formations. The mud cake generally has very low permeability and hence tends to retard further loss of fluid to the formation.

http://www.gfredlee.com/stmwt_infil2.html:
The bottom of the hole is backfilled with hydrated bentonite chips and medium aquarium sand or other suitable filter pack is used around the casing within the test zone. Finally, hydrated bentonite chips are used to seal the top of the well. The bore hole is pre-saturated to loosen sidewall cake and saturate the formation for a minimum of one day prior to testing.
Selected response from:

Eckhard Boehle
Germany
Local time: 14:29
Grading comment
Thanks a lot. I sure didnt expect such a thorough explanation. I really appreciate it
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +2(mud / sidewall) cake
Eckhard Boehle


  

Answers


41 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
(mud / sidewall) cake


Explanation:
http://www.spwla.org/library_info/glossary/reference/glossm/...
mud cake
Filter cake. The residue deposited on the borehole wall as the mud loses filtrate into porous, permeable formations. The mud cake generally has very low permeability and hence tends to retard further loss of fluid to the formation.

http://www.gfredlee.com/stmwt_infil2.html:
The bottom of the hole is backfilled with hydrated bentonite chips and medium aquarium sand or other suitable filter pack is used around the casing within the test zone. Finally, hydrated bentonite chips are used to seal the top of the well. The bore hole is pre-saturated to loosen sidewall cake and saturate the formation for a minimum of one day prior to testing.

Eckhard Boehle
Germany
Local time: 14:29
Native speaker of: German
PRO pts in category: 4
Grading comment
Thanks a lot. I sure didnt expect such a thorough explanation. I really appreciate it

Peer comments on this answer (and responses from the answerer)
agree  Krokodil
38 mins
  -> Na, wenn das Krok schon zustimmt! Das kennt sich doch mit solchen Sachen aus! Thank you, Croc!

agree  Dr. Fred Thomson
4 hrs
  -> Thank you, Fred!
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