drill bead 是什么意思？

zhanzhihua · 发表于 2010-9-8 16:49:38

经典图书

钻井用，但是不知道什么意思。

haoayou2000 · 发表于 2010-9-8 19:02:01

钻台，是bead还是bed啊？

oyy1919 · 发表于 2010-9-11 10:48:37

经典图书

bead，钻井用的东西。

humeng2008cn · 发表于 2010-9-16 19:58:49

ihearddrillbit.
drillbit是钻头的意思.不知道你有没有打错..

sbd8021 · 发表于 2010-9-17 09:49:59

经典案例图书

需要上下文信息，单独拿出来不好判断的

davyming · 发表于 2010-9-17 10:32:54

钻井珠粒
drillbeadrecoveryunit:钻井珠粒回收装置(见中国专利:CN101395336说明书第12页第4行)

honghui · 发表于 2010-9-18 16:32:05

经典案例图书

钻珠

jishubu · 发表于 2010-9-18 16:42:51

看看下面的文章，参考。
Veryoften,theresilienceofALPINESPECIALTYCHEMICALSDRILLBEADS*isquestionedastheyareusedtosupportthedrillingefficiencyofwells,inparticularlateralwellsthatimposetheweightofthedrillstringagainsttheformation.
ThefunctionoftheDRILLBeadswhenaddedtothedrillingfluidistoimprovemechanicallubricitythroughtheimprovementofrateofpenetrationandreductionoftorqueanddrag,aswellasminimizingcasingwear.
Thesesphericalco-polymerbeadsofdiameterunder1mm(180?–950?)providesaball-bearingeffectbetweenthedrillstringandcasingoropenhole.Asthedrillingfluidormudcirculates,theDrillBeadsadheretoandsurroundthesurfaceofthedrillpipeandalsoembedthemselvesintheformationorfilter-cakeprovidingadditionalstand-off.Theyareperiodicallymeasuredandmaintainedinthemudsystem,generallyataconcentrationof4ppb.Insomeinstances,theymaybespottedinanopen-holeforloggingoperationsorrunningcasingathigherconcentrationsof6to10ppb.
InNorthDakota,operatorshaveexperiencedtremendouscostsavingsutilizingtheALPINEDRILLBEADadditiveandtheirDrillBeadsRecoveryUnit(BRU).TheBRUseparatestheDrillBeadsfromthedrillcuttingsastheyarefilteredoffattherigshakersandreintroducethemintotheactivemudsystemtobepumpeddownholeagain.Thesecostsavingswereeffectedthroughincreasedoperationalefficiencyindrillingandsliding,fewernumberoftripsandlessdaystoTD.

jbc107 · 发表于 2010-9-25 08:47:32

非常感谢。

		自动登录	找回密码
密码			立即注册

drill bead 是什么意思？

浏览过的版块