CovA-Ib RojBow Spring Centralizer yog ib qho tseem ceeb ntawm cov cuab yeej ua haujlwm downhole uas nws lub luag haujlwm tseem ceeb yog los xyuas kom meej tias cov cuab yeej txiav ntoo tseem nyob hauv nruab nrab ntawm qhov borehole (tshwj xeeb tshaj yog nyob rau hauv cov qhov dej). Nws yog cov cuab yeej siv tshuab uas siv cov elastic deformation quab yuam ntawm hneev springs kom tsis siv neeg nruab nrab ntawm cov cuab yeej nyob rau hauv lub qhov dej.
Tus qauv tsim- Feem ntau muaj ib lub mandrel, ntau pawg ntawm cov nplooj hlav nplooj hlav, thiab cov khoom sib txuas. Lub hneev caij nplooj ntoos hlav yog arc-zoo li tus, tsau ntawm ob qho kawg rau lub mandrel, nrog rau nruab nrab seem protruding sab nraud.
Lub ntsiab cai-Raws li elastic mechanics. Ua ntej khiav hauv lub qhov, lub hneev nplooj hlav nplooj yog compressed thiab vau; Tom qab nkag mus rau hauv lub qhov dej, cov nplooj nthuav tawm sab nraud nyob rau hauv lawv tus kheej elasticity, nias tiv thaiv phab ntsa borehole (los yog sab hauv phab ntsa), yog li tsim kom muaj lub zog rov qab los ua kom cov cuab yeej axis mus rau qhov borehole axis, ua tiav qhov nruab nrab.
Cov yam ntxwv tseem ceeb-Tsis siv neeg tus kheej- nruab nrab, hloov tau zoo, tus qauv yooj yim, thiab kev ntseeg siab.
Daim ntawv thov ntawm Bow Spring Centralizer rau Logging Tool Centralization hauv Cased Wells
Nyob rau hauv rooj plaub- qhov nkag, lub hauv paus ntawm lub cuab yeej yog qhov tseem ceeb ua ntej kom tau txais cov ntaub ntawv zoo - zoo, txhim khu kev qha.A-Ib Roj Hmab Caij Nplooj Ntoos Hlav Centralizerua lub luag haujlwm irreplaceable hauv cov txheej txheem no.
◆ Vim li cas thiaj yuav tsum tau Centralization?
Ntau cov cuab yeej siv- qhov ntsuas qhov ntsuas (hu ua "centering- ntsuas" cov cuab yeej) muaj cov qauv ntsuas uas yuav tsum tau ntsuas cov cuab yeej kom muab tso rau ntawm qhov chaw borehole axis; Txwv tsis pub, qhov yuam kev tseem ceeb yuav raug qhia:
Nuclear logging (piv txwv li, neutron porosity, ntom)- Nrog rau qhov chaw ruaj khov- ntsuas qhov sib txawv, cov lus teb ntawm lub tshuab ntes tau cuam tshuam los ntawm qhov nruab nrab ntawm cov cuab yeej thiab cov casing / tsim (xws li cov kua dej drilling, cement sheath). Tawm-qhov chaw nruab nrab ua rau muaj kev cuam tshuam loj heev.
Electromagnetic logging (xws li, electromagnetic flaw detection, thickness ntsuas)- Yuav tsum muaj qhov chaw sib nqus ruaj khov. Cov cuab yeej eccentricity hloov cov teeb liab txoj kev thiab kev siv zog, cuam tshuam qhov tseeb ntawm casing thickness thiab kev ntsuam xyuas corrosion.
Ultrasonic imaging cav- Lub transducer yuav tsum fim lub phab ntsa casing ncaj qha. Eccentricity hloov lub acoustic teeb liab teeb meem lub kaum sab xis, ua rau cov duab distortion thiab tiv thaiv kom raug ntsuam xyuas ntawm lub puab casing tej yam kev mob.
PebBow Spring Centralizer
Ib tug cased-lub qhov logging solutionsprovider.
◆ Yuav ua li cas Bow Spring Centralizer tau txais & Optimize Centralization?
Muab ruaj khov, nruam centralization- Lub caij nplooj ntoos hlav quab yuam ua tau zoo offsets lub cuab tam sib txawv los ntawm nws tus kheej qhov hnyav, qhov zoo ntawm qhov nkhaus, los yog rub, tuav tswj kev ua haujlwm zoo ib yam thoob plaws hauv kev txiav ntoo.
Haum rau ntau qhov ntau thiab tsawg- Los ntawm kev xaiv qhov sib txawv (sab nraud txoj kab uas hla) ntawm lub caij nplooj ntoos hlav centralizers, lawv tuaj yeem ua raws li qhov ntau thiab tsawg ntawm 4.5 ntiv tes mus rau 13.375 ntiv tes thiab loj dua.
Kov complex wellbore tej yam kev mob- Rau cov seem uas muaj me me deformation, scaling, los yog deposition, lub elastic deformation muaj peev xwm tso cai rau hneev springs "sib hla" lub zos obstacles thaum tseem muab centralizing quab yuam, outperforming nruj centralizers.
Ua kom muaj kev nyab xeeb thiab kev ua haujlwm zoo- Lub centralizer kuj txo cov kev sib txhuam nyuaj thiab kev sib tsoo ntawm cov cuab yeej thiab cov phab ntsa sab hauv, ua kom yooj yim rau txoj hlua sib tsoo.
Summary & Selection Recommendations
A-Ob Roj Hneev Caij Nplooj Ntoos Hlav Centralizersawv cev rau tus qauv thiab muaj txiaj ntsig kev daws teeb meem rau kev ua tiav cov cuab yeej centralization hauv cased- qhov nkag. Lawv tus kheej zoo heev - muaj peev xwm ua haujlwm nruab nrab thiab kev hloov pauv ib puag ncig kom ntseeg tau qhov zoo ntawm cov ntaub ntawv kaw lus tseem ceeb.
Cov ntsiab lus tseem ceeb rau kev xaiv thiab siv tau suav nrog:
Dimensional compatibility- Lub centralizer qhov siab tshaj plaws OD yuav tsum me ntsis me dua li casing ID (feem ntau nrog ib qho kev tsim tshwj xeeb clearance) los xyuas kom meej centralization zoo thaum tso cai kom du.
Lub zog & khoom siv- Kev xaiv cov khoom siv (xws li hlau alloy, Monel) yuav tsum suav rau qhov tob tob (tensile load), kub, thiab dej corrosivity.
Kev siv sib xyaw- Ntau qhov chaw nruab nrab yuav tsum tau khiav hauv koob ntawm cov cuab yeej ntev lossis nyob rau hauv qhov tseem ceeb ntsuas lub sijhawm kom tswj tau zoo hauv nruab nrab ntawm tag nrho cov hlua.
Kev tu thiab tshuaj xyuas- Tom qab txhua qhov kev ua haujlwm, tshuaj xyuas cov nplooj hlav nplooj rau cov yas deformation, tawg, lossis hnav hnyav, thiab hloov cov khoom ua tsis tau sai.
Tiv tauj peb ntawminfo@a-oneoil.comhnub no kom paub ntau ntxiv txog pebBow Spring Centralizerthiab thov kev daws qhov project. Los yog nug txog qhov teeb meem ntawm kev yuav khoom. Peb pab neeg tshaj lij yuav muab cov lus teb ntxaws ntxaws rau koj thiab pab koj daws txhua yam teeb meem uas koj ntsib hauv kev tshawb nrhiav roj thiab roj thiab kev ua haujlwm engineering.
