Nyob rau hauv thaj teb ntawm Coalbed methane siv sij hawm, kev tshawb fawb thiab paub txog qhov tseem ceeb heev {{0} {.
Kev ua kom zoo ntawm cov txheej txheem fracturing thaum lub sij hawm pob txha lov ntawm lub hom phiaj lim dej tau txiav txim siab, los ntawm kev ua kom muaj kev sib piv thiab}} (lossis hs}), nrog ib qho kev nruj me ntsis ntawm 3 {. 2mn / m {{{} {{{{{{{{{{{{{{} {{} {{13} {} {{} {{13} {{} {} {} {} {{} {} {{} {{} {{} {} Kuv tuaj yeem tsim ua ke nrog cov dej ntws thaum lub sij hawm dej ntws tawm thiab roj ntau lawm. Qhov kev sib tw no muaj qhov zoo ntawm cov nqi qis, kev puas tsuaj me me rau cov pob zeb thee, kev tsim kho yooj yim thiab tsis muaj nqi - kev ua tau zoo - kev ua tau zoo.
Qhov tsim nyog ntawm fracturing stimbulation rau coalbed metharane cov khoom siv me me thiab cov khoom siv tsis muaj zog thiab cov khoom lag luam tsis tshua muaj zog thiab cov khoom siv tsis tshua muaj zog Kev ntsuas dej thiab kev lag luam ntau lawm, cov thee kev sib tshuam ua tau zoo, thiab tom qab ntawd cov khoom siv hluav taws xob me me - roj thiab tsis zoo - permeable av coams.
Kev sib piv ntawm cov kua dej ua kom cov kua dej ntawm cov dej ua kua thiab cov khoom siv ntau dua los ntawm cov dej khov kho, thiab cov dej num ntau yam - txhaj tshuaj, nitrogen npuas thiab qis - Kub Guar pos hniav.}} ntawm kev tiv thaiv cov dej ua kom zoo, muab cov xuab zeb uas muaj peev xwm ua tau zoo, muab cov khoom siv hluav taws xob uas muaj peev xwm ua tau zoo ntawm cov dej siab ua haujlwm ntawm pob zeb.
Kev sib piv ntawm cov kev ua tau zoo ntawm kev xaiv ntawm cov khoom siv hluav taws xob ncaj qha cuam tshuam thiab yooj yim} Lub zog ntuj xuab zeb thiab yooj yim} Lub zog ntuj xuab zeb thiab yooj yim} Lub zog ntuj xuab zeb thiab yooj yim} Lub zog ntuj xuab zeb yog pheej yig thiab hardness, tab sis yog puas, muaj siab ceev, tsawg xuab zeb - ntxiv cov concentration, kom ceev nrawm, luv luv thov kev thauj mus los deb thiab poob siab; Wood Proppant muaj tsawg ntom ntom, zoo heev, tsis yooj yim rau cov txiaj ntsig, thiab yog qhov tsis yooj yim sua kom haum rau 1: 4.
Kev tsom xam ntawm pob txha lov los ntawm kev tsom xam ntawm pob txha lov thiab cov khoom siv roj tau cuam tshuam nrog kev ua txhaum, nrog rau cov pa roj av ntawm {} mg / d; Cov seem 17 Qhov tshij tsis tshua muaj kev cuam tshuam los ntawm kev ua txhaum, nrog rau kev ua haujlwm roj ntawm txhua qhov thiab txhua lub sijhawm} ua ntej tsuas . Qhov no qhia tau hais tias qhov kev tsim kho ntawm methane, muab kev txhawb nqa zoo kawg nkaus thiab siv rau kev txhim kho ntawm coasthane.
Kev ua kom zoo ntawm cov pob txha sib xyaw ua ke ntawm kev ua kom zoo dua qub B rau cov kua ntim ntawm cov dej nquag ntawm cov dej khov kho cov kab ke tau txiav txim siab, thiab cov txheej txheem ib txwm muaj dua los ntawm Quartz Sative ntawm cov qauv B yog siab dua, qhia tau tias Ua kom muaj cov kua ntim thiab cov khoom siv tseem ceeb rau cov khoom siv tsim kho no, 800m ntawm cov kua ntim, 8}}}}.
Kev txiav txim siab ntawm bacture - tau hais tawm ib nrab - ntev ntawm kev ua kom zoo dua ntawm cov kev ua kom zoo dua qub Cov zis piv thiab lwm yam khoom muaj kev nkag siab, cov txiaj ntsig zoo tshaj plaws ib nrab -} m kom ntseeg tau qhov ua kom tiav qhov kev ua kom pom kev nyuaj siab.
Kev txiav txim siab ntawm cov xuab zeb - ntxiv cov nplai thiab cov kua ntim nkag mus rau hauv cov xuab zeb - ntxiv cov nplai ntawm lub hom phiaj 40 - 50 m³}} {}}}}}} Cov Lus Qhia thiab Cov Lus Qhia Ua Kom Ua, muab cov lus qhia tseeb rau kev ua haujlwm yooj yim rau kev tsim kho
Kev ua kom zoo ntawm cov txheej txheem kev tsim kho ntawm kev siv pob txha uas tsis zoo, thiab siv cov kev tsim kho cov khoom siv ntawm cov pob zeb sib txawv kom tsis muaj zog ntawm kev lim dej tsis txaus thiab ua kom muaj kev sib tw ntawm cov pob txha uas tau ua tiav, kom pom tias cov pob txha uas muaj peev xwm ua tau zoo li ntawm cov pob txha uas muaj peev xwm ua tau zoo li ntawm cov pob txha nqaj thiab cov pob zeb nruab nrab Ntxiv rau, cov kev sib xyaw ua ke ntawm cov ntxig tseem raug kho tau zoo tshaj plaws yog qhov zoo tshaj plaws yog qhov zoo tshaj plaws yog 1: 4, thaum muaj kev hloov pauv ntawm cov tub sab nruab nrab thaum lub sijhawm ua haujlwm .
Cov txheej txheem ntawm cov txheej txheem thiab cov ncauj lus kom pom zoo, thiab cov kev xaiv zoo nkauj, cov ntaub ntawv tshwj xeeb, tau txais cov ntaub ntawv feem cuam tshuam txog kev ua pob txha hauv lub Kev ua haujlwm ntawm cov khoom siv dag zog, thiab coj cov kev ua kom zoo li qub, thiab theem tsim nyog tau raug xaiv, thiab cable - sib kis Kev siv tshuaj lom neeg tsis zoo - Kev tau txais yuav los txo cov pa phem ntawm lub perforation kua rau qhov tsim .
In short, through multi - aspect research and application of the fracturing stimulation technology in coalbed methane exploitation, the success rate of fracturing construction has reached 100% and the effectiveness rate has reached 100%, increasing the extraction volume of coalbed methane, laying a solid technical foundation for the safe production of coal mines and the comprehensive utilization of coalbed methane, and providing strong technical support for the development of the coalbed methane Kev lag luam .