Lub hauv paus ntawm Reverse Circulation Drilling
Kab rov tav directional drilling tsis yog ib yam tshiab.Cov neeg tho qhov dej ntau tshaj 8,000 xyoo dhau los rau cov dej hauv av hauv qhov chaw kub thiab qhuav, tsis yog nrog PDC cov khoom thiab cov av nkos zoo li peb niaj hnub no.
Muaj ntau ntau yam uas yuav tsum tau xav txog thaum xaiv txoj kev drilling.Cov lus no muaj tseeb tshwj xeeb tshaj yog thaum koj tab tom khawb rau kev tshawb nrhiav lossis tswj qib.Feem ntau cov neeg cog lus thiab cov neeg ua haujlwm roj av feem ntau xaiv rau qhov rov qab ncig drilling vim nws muaj ntau yam zoo dua lwm txoj hauv kev drilling.
Ua ntej qhia txog cov txiaj ntsig ntawm kev rov qab ncig drilling, cia peb txhais nws yog dab tsi rau daim duab meej dua.
Reverse Circulation Drilling yog dab tsi?
Rov qab ncig drilling yog ib txoj kev drilling uas siv rov qab ncig PDC khoom, thiab rods nrog ob phab ntsa kom ua tiav drilling thiab coj mus kuaj.Sab nrauv phab ntsa muaj cov raj sab hauv uas tso cai rau cov cuttings raug xa rov qab mus rau saum npoo raws li cov txheej txheem drilling txuas ntxiv.
Rov qab ncig tseem tso cai rau qhov txuas ntawm lub qhov qhib tab sis txawv ntawm pob zeb diamond drilling nyob rau hauv uas nws sau pob zeb txiav es tsis txhob pob zeb core.Lub laum siv cov khoom tshwj xeeb thim rov qab uas tau tsav los ntawm pneumatic reciprocating piston lossis rauj.
Cov kev rov qab rov qab laum cov khoom no yog ua los ntawm tungsten, hlau, lossis ob qho tib si vim lawv muaj zog txaus los txiav thiab tsoo pob zeb nyuaj heev.Los ntawm nws cov piston txav, lub rauj tuaj yeem tshem tawm cov pob zeb crushed, uas tom qab ntawd xa mus rau saum npoo los ntawm huab cua compressed.Cov huab cua tshuab los ntawm lub annulus.Qhov no ua rau muaj kev hloov pauv hauv siab uas ua rau rov qab ncig, uas ua rau cov txiav mus rau hauv lub raj.
Rov qab ncig drilling yog qhov zoo rau cov qauv hauv av hauv av rau kev tsom xam stratification thiab lub hauv paus engineering lub hom phiaj.
Tam sim no koj paub tias nws yog dab tsi, cia peb saib qee qhov txiaj ntsig ntawm rov qab ncig drilling.
Pab tau kom tau txais cov qauv tsis muaj paug
Rov qab ncig drilling tshem tawm ib qho kev sib kis ntawm cov pob zeb txiav thaum nws raug xa mus rau saum npoo, vim tias cov cuttings mus los ntawm ib lub raj sab hauv nrog tsuas yog ib qho qhib ntawm qhov chaw uas cov qauv sau.Yog li ntawd, koj tuaj yeem sau ntau tus qauv zoo rau kev tshuaj xyuas.
Zoo kawg nkaus tus nqi nkag
Cov khoom tshwj xeeb thim rov qab cov khoom muaj zog ntau dua li cov khoom ua tiav ib txwm vim yog cov lus qhia tungsten-steel composite.Rov qab ncig kev xyaum ua haujlwm ntawm tus nqi nrawm dua thiab khaws cov txiav hauv lub sijhawm sau tseg.Qhov tshaj tawm uas cov cuttings raug xa rov qab mus rau saum npoo tuaj yeem yooj yim peek ntawm 250 meters ib ob.
Versatility nyob rau hauv Adverse Conditions
Rov qab ncig drilling tsis yog txheej txheem nyuaj thiab tsis xav tau dej ntau.Cov yam ntxwv no ua rau rov qab ncig drilling zoo tagnrho txawm tias nyob rau hauv qhov chaw uas dej tsis tshua zoo li qhov zoo tshaj plaws outback lossis ib nrab arid.
Tsawg Tus Nqi
Rov qab ncig drilling yog tus nqi zoo heev, tshwj xeeb tshaj yog piv rau pob zeb diamond drilling.Tsis tsuas yog vim qhov txo nqi ntawm kev ua haujlwm, tab sis kuj yog vim lub sijhawm luv luv nws yuav siv sij hawm los ua kom tiav qhov drilling.Zuag qhia tag nrho, rov qab ncig drilling tuaj yeem raug nqi txog li 40% tsawg dua li cov pa drilling.Yog hais tias koj nyob nraum drilling nyob rau hauv cov cheeb tsam nrog ntxhib struts, tus nqi-zoo yuav txawm ob npaug.
Reverse Circulation rau Qib Tswj
Qhov zoo ntawm cov qauv tau txais yog qhov tseem ceeb tshaj plaws nyob rau hauv txhua qhov kev tshawb nrhiav los ua kom tiav cov phiaj xwm mine kom raug lossis rau kev tso cov khoom tawg.Qib tswj yog dab tsi yog siv los txhais cov blocks thiab ore qib.Rov qab ncig drilling yog qhov zoo rau kev tswj qib vim:
- Nws yuav tsum tau tuav tsawg dua li lwm txoj kev
- Cov qauv tau txais yog dawb tsis muaj kab mob
- Lub sijhawm tig nrawm dua
- Cov qauv tau txais tuaj yeem coj ncaj qha mus rau lub chaw kuaj mob rau kev tshuaj xyuas
Qhov tseem ceeb tshaj plaws ntawm txhua qhov rov qab ncig drilling kev ua haujlwm yog cov qauv txiav.Ntau txoj hauv kev tuaj yeem siv rau cov qauv rov qab, tab sis lub hom phiaj tseem ceeb yog tau txais cov qauv zoo li ntau tau hauv lub sijhawm luv tshaj.
Yog tias koj xav tau cov kev pabcuam rov qab rov qab drilling, nco ntsoov nrhiav tsuas yog cov kws tshaj lij uas muaj ntawv tso cai uas paub lawv txoj hauv kev ncig lub voj voog rov qab thiab ua tau zoo nrog ntau yam txheej txheem.Thov kom lawv tsuas siv tau ntawv pov thawj zoorov qab ncig PDC khoomkom tsis txhob muaj kev ncua uas tshwm sim los ntawm kev sib tsoo cov khoom siv.Thaum kawg, nco ntsoov xyuas kom meej tias cov txheej txheem drilling ua raws li cov txheej txheem ib puag ncig.
Post lub sij hawm: Mar-28-2023