Taw qhia:
Drilling Failures feem ntau tshwm sim los ntawm geology, tsis yog khoom siv
Nyob rau hauv dej zoo drilling, geothermal drilling, thiab pej xeem lub hauv paus tej yaam num, tsis tshua muaj efficiency thiab nquag drilling tsis ua hauj lwm feem ntau yog liam rau cov khoom zoo los yog cov neeg ua haujlwm kev paub.
Hauv kev muaj tiag,ntau qhov teeb meem drilling pib los ntawm kev sib xyaw geological, qhov twg ib txoj kev drilling tsis tuaj yeem hloov mus rau kev hloov pauv sai hauv tib lub borehole.
Kab lus no piav qhiavim li cas ib leeg -txoj kev drilling tshuab feem ntau tsis ua haujlwm hauv kev sib xyaw geology, thiab vim li cas kev sib koom ua ke ntawm kev sib koom ua ke tau dhau los ua cov kev daws teeb meem zoo tshaj plaws rau cov phiaj xwm niaj hnub drilling.
Dab tsi yog qhov sib xyaw Geological Conditions hauv Drilling Projects?
Mixed geological tej yam kev mob xa mus rau drilling ib puag ncig qhov twgntau hom formation coexist vertically, suav nrog:
- Nto av los yog av nplaum txheej
- Gravel, cobble, los yog xoob pob zeb txheej
- Hard pob zeb los yog fractured bedrock ntawm qhov tob
Cov formations no feem ntau ntsib hauv:
- Dej zoo drilling tej yaam num
- Agricultural irrigation qhov dej
- Geothermal tshav kub twj qhov dej
- Qhib- qhov mining thiab blast qhov drilling
- Civil thiab rural infrastructure tej yaam num
Txhua txheej geological reacts txawv rau drilling quab yuam, flushing nruab nrab, thiab txoj kev nkag.
Yog vim li cas Rotary Dej Drilling feem ntau tsis nyob rau hauv cov pob zeb tawv thiab pob zeb txheej
Rotary dej drilling yog dav siv vim nws qhov yooj yim thiab kev ua tau zoo hauv cov qauv muag muag.
However, when drilling transitions into hard rock or dense gravel layers, rotary drilling systems often experience:
- Kev txo qis hauv qhov nkag mus
- Ntau me ntsis hnav thiab torque load
- Cov pob zeb tsis zoo- tawg ua haujlwm
- Ntxiv roj thiab cov nqi tu
Hauv kev sib xyaw geological,rotary drilling ib leeg ua tsis muaj txiaj ntsig thiab kev lag luam tsis ruaj khov.
Vim li cas Huab Cua DTH Rauj Drilling Struggles nyob rau hauv xoob lossis tsis ruaj khov tsim
Huab cua-powered DTH (down-lub-Qhov) rauj drilling yog zoo heev nyob rau hauv lub pob zeb nyuaj drilling vim nws ncaj qha cuam tshuam lub zog ntawm me ntsis.
Txawm li cas los xij hauv cov av xoob, xuab zeb, los yog dej- cov kab nrib pleb, huab cua drilling ntsib cov kev txwv loj:
- Borehole phab ntsa instability
- Kev tshem tawm tsis txaus cuttings
- Muaj kev pheej hmoo ntawm qhov tawg los yog cov cuab yeej nplaum
- Nyuaj tswj borehole straightness
Tsis muaj kev txhawb nqa borehole txaus,huab cua ntshiab DTH drilling yog tsis ntseeg nyob rau hauv kev sib xyaw formations.
Tej yam Drilling Failure Scenarios hauv Mixed Geological Conditions
Hauv kev ua haujlwm drilling tiag, sib xyaw geology feem ntau ua rau:
- Smooth drilling nyob rau hauv cov khaubncaws sab nraud povtseg ua raws li sudden penetration tsis ua hauj lwm
- Cov txheej txheem nquag hloov thiab downtime
- Ntxig cov cuab yeej drilling thaum tsim kev hloov pauv
- Borehole vau thaum hloov cov txheej txheem drilling
Cov kev ua tsis tiav no tsis yog xwm txheej tsis sib xws-lawv yogkwv yees tau qhov tshwm sim ntawm kev siv ib zaug -txoj kev drilling tshuab.
Vim li cas Ib Leeg -Txoj Kev Drilling Systems raug txwv
Tib -txoj kev drilling rigs yog tsim nyob ib ncig ntawm ib qho tseem ceeb drilling txoj cai.
Raws li qhov tshwm sim:
- Rotary rigs tsis muaj zog cuam tshuam rau cov pob zeb nyuaj
- DTH rauj rigs tsis muaj borehole stability tswj nyob rau hauv mos txheej
Thaum geological tej yam kev mob hloov nyob rau hauv tib lub borehole, cov tshuab notsis tuaj yeem hloov kho yam tsis muaj kev cuam tshuam kev ua haujlwm lossis kev nyab xeeb.
Qhov tseem ceeb ntawm kev sib xyaw Drilling txoj hauv kev sib xyaw ua ke
Niaj hnub nimno drilling tej yaam num nce yuav tsum tau rigs uas txhawbob qho tib si rotary dej drilling thiab cua DTH rauj drilling.zoo liTsheb laij teb Mounted 4 Log Dej Drilling Rig
Combined drilling tshuab tso cai rau cov neeg ua haujlwm:
- Siv dej drilling kom ruaj khov los yog dej-cov txheej txheem
- Hloov mus rau DTH rauj drilling kom muaj zog pob zeb nkag
- Txhim kho qhov drilling txuas ntxiv hla kev hloov pauv
- Txo qhov tsis yog - lub sijhawm tsim khoom thiab tag nrho cov nqi drilling
Qhov kev hloov pauv no yog qhov tseem ceeb rau kev ua tiav hauv qhov chaw geological complex.
Kev txiav txim siab tseem ceeb thaum xaiv ib lub tshuab drilling rau Mixed Geology
Thaum xaiv cov cuab yeej drilling rau kev sib xyaw geological, cov neeg ua haujlwm yuav tsum tsom mus rau:
- Muaj peev xwm hloov ntawm dej drilling thiab cua drilling
- Dav torque thiab kev sib hloov ceev ntau yam
- Kev txav chaw ruaj khov rau roob roob lossis tsis sib xws
- Txhim khu kev txiav tshem tawm hauv ob qho tib si huab cua thiab dej hom
- Kev tsim qauv yooj yim rau kev saib xyuas thiab kev ua haujlwm hauv cheeb tsam
Qhov tob muaj peev xwm ib leeg yogtsis yog ib qho kev txhim khu kev qha ntawm qhov tseeb drilling kev ua tau zoo.
Xaus:
Matching Drilling Method rau Geological Reality
Tib -txoj kev drilling tshuab tuaj yeem ua tau zoo hauv cov qauv sib xws, tab sislawv feem ntau ua tsis tiav nyob rau hauv sib xyaw geological tej yam kev mob.
Kev vam meej dej zoo thiab geothermal drilling nyob ntawm:
Nkag siab txog kev hloov pauv
Siv txoj kev tsim nyog drilling ntawm txhua theem
Siv cov cuab yeej tsim los rau geological adaptability
Nyob rau hauv complex formations,drilling yooj yog lub hauv paus ntawm kev ua tau zoo, kev nyab xeeb, thiab kev tswj tus nqi.
