Dab tsi yog Cov Khoom Siv Zoo Logging?

Hauv kev tshawb nrhiav thiab kev tsim cov roj, cov pa roj carbon monoxide, thiab lwm yam khoom siv ntxhia, cov qauv hauv qab yog tsim los ntawm ntau hom pob zeb, txhua tus muaj lub cev thiab tshuaj lom neeg tshwj xeeb. Txhawm rau tshawb xyuas cov khoom no kom raug thiab txiav txim siab seb cov kev tsim muaj roj, roj, lossis lwm yam khoom muaj txiaj ntsig, thaj chaw ntawm geophysical well logging - feem ntau hu ua "zoo logging"- tau tshwm sim. Ntawm Rancheng Machinery, peb tshwj xeeb hauv kev tsim thiab tsim cov cuab yeej zoo loging uas sib txuas cov hauv paus ntsiab lus los ntawm geology, physics, thiab lej nrog cov khoos phis tawj siab heev, hluav taws xob, thiab cov thev naus laus zis.

 

Lub kaw lus zoo ua tiav feem ntau suav nrog cov twj paj nruag saum npoo av, lub winch, thiab lub log log. Cov twj paj nruag Downhole tau qis dua rau hauv qhov dej ntawm lub qhov dej, thiab kev ntsuas tau raug coj los siv thaum lub sijhawm rov qab. Cov txheej txheem no muab cov ntaub ntawv tseem ceeb ntawm kev tsim cov khoom, cov qauv, thiab cov duab geometry zoo, muab cov ntaub ntawv tseem ceeb rau kev tshawb nrhiav roj thiab roj nrog rau kev txhim kho thaj chaw. Niaj hnub no, geophysical logging tau dhau los ua tus qauv txheej txheem rau kev tshawb xyuas subsurface reservoirs, coalfields, thiab lwm yam minerals peev txheej, ua lub luag haujlwm tseem ceeb hauv kev tsim hluav taws xob thiab kev tsim kho.

Kev txiav txim siab zoo nyob ntawm qhov tseem ceeb ntawm lub cev thiab cov yam ntxwv ntawm cov pob zeb. Pob zeb yog tsim los ntawm atoms thiab molecules, uas muaj xws li nuclei thiab electrons, thiab lawv muaj hluav taws xob conductivity. Peb txheeb xyuas cov khoom tsim siv ntau lub hauv paus ntsiab lus tseem ceeb:

• Hluav taws xob conductivity:Los ntawm kev qhia txog qhov tam sim no rau hauv kev tsim thiab ntsuas qhov kev tiv thaiv, peb tuaj yeem paub qhov txawv ntawm lithologies thiab kua -cov kabmob formations, vim qhov resistivity nws txawv heev nyob ntawm seb hom pob zeb thiab cov kua dej.
• Particle Bombardment:Siab -cov khoom siv hluav taws xob raug coj mus rau hauv kev tsim kom muaj kev cuam tshuam nrog atomic nuclei, tso cai rau peb ntsuas cov neutron porosity thiab ntom, uas cuam tshuam txog lub peev xwm khaws cia.
• Ntuj Radioactivity: Qee cov pob zeb muaj cov khoom siv hluav taws xob uas tso tawm gamma rays. Los ntawm kev ntsuas gamma siv, peb tuaj yeem sib txawv lithologies; Piv txwv li, av nkos feem ntau pom muaj hluav taws xob ntau dua li cov xuab zeb.
• Suab Wave Propagation:Lub suab nthwv dej taug kev los ntawm kev tsim, thiab ntsuas lawv lub sijhawm thauj mus los qhia tias muaj qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom. Short transit times suggest dense, hard rock, while longer times indicate looser formations with higher porosity.
• Ion Migration (Spontaneous Potential):Variations nyob rau hauv ion concentration ntawm tsim dej thiab drilling av nkos tsim ib tug me me tam sim no. Kev ntsuas qhov muaj peev xwm ntawm tus kheej no pab kom paub qhov txawv ntawm lithologies xws li sandstone thiab av nkos.

Los ntawm ntau xyoo ntawm kev siv tswv yim, peb tau tsim ob txoj hauv kev txiav ntoo uas tsim nyog rau kev sib txawv drilling:

• Wireline Logging:Cov cuab yeej raug txo qis rau hauv qhov dej ntawm cable thiab rov qab maj mam thaum ntsuas ntsuas. Kev cog lus ntawm cov kab hlau txuas tuaj yeem tsim tau cuaj qhov nkhaus, suav nrog ntuj gamma, muaj peev xwm ua tau, thiab kev tiv thaiv, muab kev pom dav dav ntawm kev tsim. Txoj kev no yog qhov yooj yim, txhim khu kev qha, thiab tsim nyog rau cov ncauj lus kom ntxaws tshaj tawm - kev tshawb nrhiav drilling.
• Logging while Drilling (LWD):Cov cuab yeej txuas nrog rau txoj hlua laum thiab sau cov ntaub ntawv hauv lub sijhawm tiag tiag thaum lub sijhawm drilling. Txoj hauv kev no tso cai rau cov pab pawg tshawb nrhiav kom tau txais cov ntaub ntawv tsim tawm tam sim thiab kho cov phiaj xwm drilling ntawm qhov chaw, txhim kho kev ua tau zoo hauv cov qhov dej sib txawv thiab kab rov tav.

Lwm txoj hauv kev tshwj xeeb, xws li zuam cav, yog ua hauj lwm tom qab drilling thiab muab cov hlua tho kom kov yeej cov kev sib tw hauv cov txheej txheem zoo geometry.

Kev txhais lus tseeb ntawm kev tsim cov ntaub ntawv yog nyob ntawm ntau qhov tseem ceeb ntsuas los ntawm peb cov khoom siv:

• GR (Natural Gamma Rays):Reflects lub radioactivity ntawm formations. Cov txiaj ntsig GR siab qhia tias cov av nkos lossis av nplaum, thaum cov nqi qis qhia cov xuab zeb. GR nkhaus pab txheeb xyuas lithology, faib cov formations, thiab ua stratigraphic correlation.
• SP (Spontaneous Potential):Ntsuas cov hluav taws xob muaj peev xwm tsim los ntawm ion tsiv teb tsaws ntawm cov dej tsim thiab cov av nkos. Nws paub qhov txawv ntawm cov xuab zeb los ntawm cov av nkos, kwv yees cov av nkos, txheeb xyuas cov dej - thaj chaw dej nyab, thiab muab kev siv rau kev tsim tawm.
• CAL (Wellbore Diameter):Muab qhov loj thiab cov duab ntawm lub qhov dej. Kev sib txawv ntawm qhov me me yuav qhia tau tias muaj kev sib tsoo, av nkos nplaum nplaum, lossis cov qauv tsim tsis raug, uas qhia txog kev txiav txim siab ntawm cov casing, cementing, thiab drilling.
• AC (Acoustic Wave Transit Sijhawm): Pab txiav txim tsim porosity, permeability, tawg, thiab txhua yam khoom. Borehole acoustic imaging kuj tuaj yeem tsim cov duab ntxaws ntxaws rau kev txheeb xyuas cov qauv.
• Qhov ntom ntom (ZDL) thiab Neutron (CN).: Siv siab - zog particle bombardment, cov kev ntsuas no ntsuam xyuas qhov tsim ntom ntom thiab hydrogen cov ntsiab lus, ua kom porosity xam thiab txheeb xyuas cov roj, roj, thiab dej txheej.
• Kev tiv thaiv:Ntau hom -microlateral, ntiav sab nraud, thiab sib sib zog nqus lateral- tso cai rau kev kuaj pom ntawm qhov sib txawv ntawm qhov dej. Resistivity logging pab delineate roj, roj, thiab dej txheej thiab txheeb xyuas permeable formations.

Kev ntsuas ntxiv, xws li nuclear magnetic resonance (NMR), kev ntsuas siab, ntsuas ntsuas, coring, thiab ntsug seismic profiling (VSP), ntxiv rau cov cav ntoo thiab muab cov duab tsim kom tiav.

Kev nkag siab zoo txhais txhais lub cev ntsuas rau hauv cov ntaub ntawv geological. Cov txheej txheem dav dav pib los ntawm kev txheeb xyuas cov txheej txheem dej, feem ntau yog sandstone, siv cov nqi qis GR. High resistivity qhia tau tias muaj peev xwm roj thiab roj txheej, thaum dej -cov kabmob formations feem ntau pom qhov qis dua. Ua ntej kev txhais lus, peb sau cov ntaub ntawv tseem ceeb xws li drilling cores, cov qauv zoo, thiab cov ntaub ntawv drilling. Logging cov ntaub ntawv undergoes preprocessing xws li qhov tob alignment, nkhaus smoothing, thiab ib puag ncig kho. Kev txhais lus zoo thiab ntau ntau, feem ntau siv cov qauv zoo li Archie txoj cai, tso cai rau kev txheeb xyuas cov roj, roj, thiab dej - cov cheeb tsam kabmob.

Cov cuab yeej txiav ntoo zoo muaj ntau daim ntawv thov thoob plaws ntau qhov chaw thiab cov haujlwm engineering:

Kev Tshawb Fawb Roj thiab Roj:Qhib- qhov kev txiav txim siab muab cov ntaub ntawv tsim tawm tseem ceeb rau kev ntsuam xyuas lub pas dej thiab kev npaj ua tiav zoo, thaum kev txiav tawm ntau lawm pab saib xyuas kev ua haujlwm zoo thiab kev tswj xyuas dej tom qab kev teeb tsa.

Coalfield Kev Tshawb Fawb:Kev txheeb xyuas cov thee seams thiab interbedded pob zeb, ntsuas thickness, faus qhov tob, thiab cov qauv los txhawb kev npaj tsuas.

Metallic Mineral Kev Tshawb Fawb: Kev txiav txim siab pab nrhiav cov ore-cov txheej txheem cov kabmob, kwv yees qib thiab tuab, thiab qhia kev txhim kho pob zeb hauv pob zeb.

Oilfield Development:Kev txiav ntoo ntau lawm saib xyuas cov txiaj ntsig ntawm cov txheej txheem ib leeg, ntsuas cov roj uas tseem tshuav, thiab coj cov dej- thaiv thiab txhim kho cov tswv yim rov qab los, txhim kho cov khoom lag luam zoo.

Engineering thiab Geological Studies:Rau cov kev tsim kho vaj tse xws li txuas hniav, tunnels, thiab chaw nres tsheb hydropower, cov cuab yeej txiav ntoo ntsuas cov qauv hauv av hauv av, hardness, thiab ruaj khov, muab cov ntaub ntawv txhim khu kev qha rau kev tsim thiab kev nyab xeeb.

Ntawm Rancheng Machinery, peb nkag siab tias tus nqi tiag tiag ntawm cov cuab yeej txiav ntoo zoo txuas mus deb dhau ntawm nws cov peev txheej. Kev nqis peev hauv cov tshuab txiav ntoo siab heev yog qhov kev txiav txim siab zoo uas txhawb nqa cov tuam txhab kom txo qis kev pheej hmoo ntawm kev tshawb nrhiav, txhim kho cov peev txheej, thiab txiav txim siab paub txog thoob plaws lub neej ntawm qhov project.

• Txo cov kev pheej hmoo tshawb nrhiav:Kev ntsuas kev tsim kom raug txo qis qhov tshwm sim ntawm qhov dej tsis zoo, txo cov nqi thiab nce kev ua tiav.
• Optimizing Field Development:Tiag - lub sij hawm saib xyuas txhawb kev hloov kho cov tswv yim kom ua kom rov zoo los ntawm qhov siab - cov cheeb tsam tau txais txiaj ntsig thiab tswj cov txheej txheem qis - tawm los.
• Rational Resource Development:Kev ntsuas meej ntawm porosity, permeability, thiab reserves ua kom muaj txiaj ntsig zoo, txo cov peev txheej poob thiab txhawb kev txhim kho kom ruaj khov.
• Adapting rau Complex Drilling Conditions:Cov tshuab txiav ntoo siab heev, xws li LWD, yog qhov tseem ceeb rau kev sib txawv heev, kab rov tav, thiab qhov tob tob, nthuav dav kev tshawb nrhiav.
• Tsav Technology Progress:Raws li cov chaw tsim khoom, peb tsis tu ncua kev tsim kho tshiab, tsim cov cuab yeej txiav tawm kom raug thiab ua tau zoo uas txhim kho cov qauv kev lag luam thiab kev sib tw ntev ntev.

Ntawm Rancheng Machinery, peb muab siab -zoo, tus nqi- cov kev daws teeb meem zoo. Peb cov khoom siv RCQ-1 resistivity logging muab txhim khu kev qha thiab ntse ntsuas ntawm tsim resistivity, xyuas kom meej cov ntaub ntawv rau ntau yam kev tshawb fawb tej yaam num. Nws yog ib qho kev daws teeb meem rau cov neeg siv khoom uas xav tau cov txiaj ntsig zoo yam tsis muaj qhov nyuaj.

Rau kev siv ntau dua, peb cov RCQ-2D system ntsuas cov gamma rays ntuj, gradient resistivity, pom tseeb resistivity, thiab spontaneous muaj peev xwm (SP), tso cai rau cov neeg siv sau cov resistivity profiles ntawm sib txawv daim ntawv ntsuam xyuas qhov tob. Cov kev ntsuas no tuaj yeem siv los muab cov permeability, porosity, dej zoo, thiab cov qauv geological. Lub kaw lus tuaj yeem nruab nrog cov kev sojntsuam sib txawv raws li qhov yuav tsum tau ua. Tsis tas li ntawd, Rancheng Machinery muaj ntau yam khoom siv geophysical tsim nyog rau kev tshawb nrhiav dej, kev tshawb nrhiav ntxhia, thiab lwm yam kev tshawb nrhiav hauv av. Peb txuas ntxiv txhim kho peb cov kev daws teeb meem txiav tawm kom peb cov neeg siv khoom tuaj yeem ua haujlwm nrog cov ntaub ntawv meej dua hauv txhua qhov haujlwm drilling lossis tshawb nrhiav.