Txais tos rau peb cov websites!

Xov xwm

  • Xi encourages new contributions by Daqing Oilfield

    President Xi Jinping called on Da­qing Oilfield staff on Thursday to keep pursuing reform and innovation and push forward high-quality development in building an oilfield that lasts 100 years.
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  • China’s natural gas market has great potential: Chinese executive

    The demand for natural gas in China is ramping up due to energy structure adjustment and environment protection policy, a senior executive of a leading Chinese energy company has said. Hou Qijun, vice president of China National Petroleum Cooperation, made the remarks during the Special Dialogue ...
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  • Lub Introduction ntawm Shock Sub Drilling

    Lub Introduction ntawm Shock Sub Drilling

    Cov poob siab sub drilling yog tsim los cais lub laum txoj hlua ntawm axial deflections tsim muaj lub ntsis los ntawm drilling ua hauj lwm thiab ces tiv thaiv lub ntsis los ntawm ntau muab rau los ntawm drilling ua hauj lwm. Lub cuab tam yuav nqus poob siab load ib ncig ntawm lub laum hlua thiab xyaum me ntsis. Nws muaj xws li ib tug h ...
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  • Hydraulic cutters-lub feem ntau Prevailing cov cuab yeej rau kev ua lag luam

    Raws li yog lub npe hu mus rau tag nrho, tus neeg kho tshuab nrog cutter yog tsuas yog siv rau lub incision ntawm lub tej qhov chaw saum toj no lub downhole daig yeeb nkab, xws li ntau lawm technology txoj hlua, xyaum kiag thiab thiaj li nyob. Raws li zoo, yog tias tau txais nyob rau hauv raws sij hawm tej ntawm tej txaj chaw hnab milling casing ntawm casing siv, nrog ...
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  • Koj Variations ntawm Cordless hnyiab

    Ib qho ntawm feem raug lub hom phiaj ntawm xyaum tau nyob rau hauv metalworking, txua ntoo, tsim thiab kuj DIY kev pab raws qib. Koj yuav nrhiav tau xyaum ua tshwj xeeb tshaj yog rau cov kev siv nyob rau hauv cov tshuaj, qhov chaw tshawb kawm thiab txawm pob zeb diamond tsuas. Koj yuav nrhiav tau loj xyaum thiab me me xyaum thiab kuj yog ib tug suab infinites ...
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  • Ntiaj teb Roj Demand

    Ntiaj teb Roj Demand Highlights (13 Kaum ib hlis 2015) * Thov nco ntsoov tias cov Highlights yog los ntawm qhov tseeb Roj Market Daim ntawv qhia txog, uas yog tso tawm nyob rau hauv tag nrho rau cov neeg rau npe xwb - raws li no lub sij hawm txhua lub hli. Tsis subscribers tau dawb nkag tau mus rau qhov tseeb Highlights nyob rau hauv no lub sij hawm, li cas los xij ...
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  • Zog laum cov cuab yeej

    Lawv feem ntau ua los ntawm manually los yog los ntawm hluav taws xob lub hwj chim. Nws yog ua tau los kuj ntiav no tshuab raws li ib tug ntswj ntsia hlau. Koj yuav tsum cia li kho ib tug ntswj ntsia hlau ntsis rau qhov no tshuab siv nws raws li ib tug ntswj ntsia hlau. Lub drilling tshuab yog muaj nyob rau hauv ntau haiv neeg xaiv raws li nws cov kev xav tau. Qhov ntau yam ntaub ntawv ntawm cov ...
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  • Rov qab kev (RC) Drilling

    Rov qab ncig (RC) drilling siv ib tug dual-walled laum cov yeeb nkab (pas nrig) ​​nrog ib tug khoom xyaum me ntsis rau tsim ib lub qhov nyob rau hauv ib tug tsim thiab muab pob zeb tej daim (cuttings) mus rau qhov chaw rau ib tug tom ntej tsom xam. Lub drilling mechanism yog ib tug pneumatic reciprocating piston (rauj) tsav tsheb ib tungsten-steel d ...
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  • kev uas quav reamers

    Kev uas quav reamers yog ua hauj lwm nyob rau hauv boring khiav hauj lwm rau cov roj & roj kev lag luam. Lub ntsiab muaj nuj nqi ntawm cov menyuam reamers txiav ntiaj teb formations kom ntug borehole mus rau lub ntshaw loj thaum lub sij hawm zoo drilling lag luam, uas tej zaum yuav lub yeej loj ntawm lub laum ntsis nyob rau hauv lub rooj plaub uas lub laum ntsis w ...
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  • Downhole Av nkos cov Motors lwm yam

    Downhole Av nkos cov Motors lwm yam Muaj ob yam loj yam ntawm downhole motors powered by av nkos txaus; 1) Lub turbine, uas yog cia li ib tug centrifugal los yog axial twj tso kua mis thiab 2) Qhov zoo xaav av nkos lub cev muaj zog (PDM). Lub hauv paus ntsiab lus ntawm cov lag luam muaj qhia nyob rau hauv Daim duab thiab cov qauv siv los ntawm lub cuab tam yog lig sib txawv. ...
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  • Hom ntawm Laum khoom

    Hom ntawm Laum khoom Laum khoom yog Benefit txwv kom muab zais rau hauv ob lub ntsiab hom raws li lawv thawj txiav mechanism. Dov cutter khoom tho kev lom zem ntau los ntawm fracturing los yog crushing lub tag nrog "cov hniav" zoo li tus txiav ntsiab nyob rau hauv ob los yog ntau tshaj lub khob hliav qab-zoo li tus hais ...
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  • Muab ob npaug rau Acting Hydraulic-Neeg kho tshuab Drilling Rag kev kawm

       Yuav kom thawv downward, thov ib tug compression load rau hauv lub hwj nyob rau hauv excess ntawm lub down-latch chaw. Qhov no yuav tso tawm tus neeg kho tshuab latch thiab pib lub hydraulic ncua ib theem zuj zus. Tom qab qhov kev ncua lub sij hawm, lub thawv yuav tso tawm, ua ib tug downward jarring tej yam. Raising lub laum hlua wi ...
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