Rotary drilling rigs muaj ntau qhov zoo ntawm ob qho tib si thev naus laus zis thiab khoom siv, tab sis lawv kuj ntsib ntau qhov kev txwv. Tsuas yog los ntawm kev ua tib zoo tshuaj xyuas cov yam tsis zoo no thiab siv cov kev ntsuas zoo los kov yeej lawv tuaj yeem ua tiav qhov zoo ntawm cov tshuab drilling tshuab, ua rau muaj txiaj ntsig ntau dua.#drilling drilling tshuab#
I. Cov teeb meem thiab cov kev daws teeb meem rau Rotary Drilling Rigs thaum lub sij hawm tsim kho
1. Main Winch Rope Breakage. Kev ua haujlwm tsis raug thaum lub sijhawm drilling tuaj yeem ua rau lub ntsiab winch hlua tawg. Yog li ntawd, thaum lub sij hawm drilling, yuav tsum tau saib xyuas kom tsis txhob muaj zog ntau dhau los yog xoob ntawm txoj hlua winch winding thiab unwinding, thiab tiv thaiv lawv los ntawm kev sib tsoo. Thaum nqa lub laum me ntsis, hauv av lub hnab ntawv lub zog ntawm lub laum me ntsis yuav tsum tau tso tawm ua ntej, los yog lub laum txoj hlua yuav tsum tau rub tawm siv hydraulic system. Yog tias txoj hlua hlau pom cov cim ntawm kev hnav, nws yuav tsum tau hloov tam sim ntawd kom tiv thaiv txoj hlua los ntawm kev tawg thiab ua rau txoj hlua laum poob.
2. Hnav thiab roj leakage ntawm lub hwj chim taub hau puab lub tes tsho. Dhau li ntawm kev tsim cov teeb meem hauv qhov drilling rig, qhov tshwm sim no feem ntau tshwm sim los ntawm qhov drilling tshaj nws lub peev xwm tsim. Yog li ntawd, kev saib xyuas yuav tsum tau them rau tus tsim thiab kev tsim kho lub peev xwm ntawm lub teb drilling rig, thiab overloading yuav tsum tau zam.
3. Hnav thiab roj to ntawm lub tes tsho sab hauv ntawm lub taub hau fais fab. Dhau li ntawm qhov tsis zoo hauv qhov kev tsim drilling rig, qhov no feem ntau yog tshwm sim los ntawm kev drilling dhau lub rig lub peev xwm tsim. Yog li ntawd, kev saib xyuas yuav tsum tau them rau tus tsim thiab kev tsim kho lub peev xwm ntawm lub teb drilling rig, thiab overloading yuav tsum tau zam.
4. Drill me ntsis jamming. Laum me ntsis jamming yog qhov kev huam yuaj tshaj plaws thiab txaus ntshai nyob rau hauv rotary drilling. Yog li ntawd, yuav tsum muaj kev tiv thaiv kev tiv thaiv thaum lub sij hawm tsim kho. Thaum muaj xwm txheej tshwm sim, yuav tsum muaj kev ntsuas zoo los daws nws sai. (1) Nyob rau hauv cov xuab zeb xoob los yog cov xuab zeb nrawm, cov phab ntsa borehole yog qhov loj heev - nplai tawg, ua rau lub laum me ntsis ua rau daig. Ua ntej ntsib qhov stratum no, kev tiv thaiv yuav tsum tau tsim ua ntej, xws li kho cov av nkos thiab txhim kho cov casings ntev. (2) Hauv cov av nplaum txheej, yog tias qhov tob tob tob tob hauv ib qho mus, cov phab ntsa borehole yog qhov ua rau nqaim, ua rau lub laum me ntsis ua rau daig. Yog li ntawd, qhov drilling qhov tob hauv hom stratum no yuav tsum tau tswj. Piv txwv li, thaum drilling mus rau qhov tob ntawm 15m lossis ntau dua, qhov tob tob hauv ib qho yuav tsum tsis txhob tshaj 40cm. (3) Kev hnav khaub ncaws hnyav ntawm cov hniav ntawm cov hniav thiab cov hniav sab nraud ua rau nws tsis tuaj yeem lav lub qhov taub, thiab tsis muaj qhov sib txawv ntawm cov phab ntsa sab nrauv ntawm lub laum lub thoob thiab lub qhov phab ntsa. Yog tias qhov drilling tob dhau lawm, nws yooj yim ua rau lub laum me ntsis tau daig. Yog li ntawd, txoj kab uas hla ntawm lub laum lub thoob yuav tsum feem ntau yog ntau tshaj 6cm me dua lub qhov taub, thiab sab hniav thiab lateral hniav yuav tsum lengthened mus nyob 2/3 ntawm qhov ntev ntawm lub laum chim. Nyob rau tib lub sijhawm, cov hniav sab nraud thiab cov hniav sab nraud ntawm lub laum me ntsis yuav tsum tau kho lub sijhawm tom qab hnav thaum siv. (4) Vim tias muaj kev sib tsoo, lub laum me ntsis nyob hauv qab ntawm lub qhov ntev ntev, ua rau cov khib nyiab ntau dhau ntawm lub laum phab ntsa los yog lub qhov phab ntsa shrinkage, ua rau lub laum me ntsis tau daig. Yog li ntawd, kev saib xyuas yuav tsum tau them nyiaj rau kev saib xyuas raws sijhawm thiab kho qhov drilling rig nws tus kheej, thiab cov av nkos yuav tsum tau hloov kho kom ntseeg tau tias tsis muaj cov khib nyiab hauv qab ntawm lub qhov rau ib lub sijhawm.
5. Kev ntsuas kev kho mob. Txoj hauv kev tseem ceeb rau kev cuam tshuam nrog cov khoom laum daig yog: (1) Txoj kev nqa ncaj qha, uas yog, siv lub crane lossis hydraulic jack ncaj qha nqa upwards. (2) Laum me ntsis ib puag ncig thaj chaw tshem tawm txoj kev, uas yog, siv txoj kev rov qab los lossis hauv qab dej txiav txoj hauv kev los ntxuav cov av nyob ib ncig ntawm lub lauj kaub ua ntej nqa. (3) Siab- txoj kev siv lub tshuab siab: Ob lub qhov me me yog symmetrically drilled ntawm ob sab ntawm qhov qub borehole (qhov nruab nrab ntawm lub qhov me me yog li ntawm 0.5m ntawm ntug ntawm lub laum me ntsis). Tom qab ntawd, lub nozzle yog qis dua thiab tsom rau ntawm qhov sib tsoo me ntsis nrog kev kub siab kom txog rau thaum ob lub qhov tau tho, ua rau cov pob zeb hauv qhov qub poob rau hauv lub qhov me me, thiab cov laum daig tuaj yeem tig thiab nqa. (4) Phab ntsa tiv thaiv excavation txoj kev: Thaum lub daig laum me ntsis tsis sib sib zog nqus, phab ntsa tiv thaiv nrog casing, cement, thiab lwm yam., thiab cov sediment yog manually excavated thiab ntxuav.
II. Technical zoo ntawm teb drilling rigs #drilling drilling tshuab #
1. Cov cuab yeej siv tau zoo heev, qib siab ntawm automation, thiab kev siv zog tsawg. Rotary drilling rigs yog taug qab, tag nrho hydraulic tus kheej -propelled drilling rigs, siv ib tug ua tiav hydraulic system, thiab ib co kuj nruab nrog advanced computer operating systems. Txhawm rau kom ntseeg tau tias qhov ua tau zoo ntawm cov tshuab drilling rigs, feem ntau cov teb drilling rig manufacturers yuav khoom thoob ntiaj teb, xws li chassis los ntawm Kab ntsig (CAT) hauv Tebchaws Meskas, hydraulic systems los ntawm lub teb chaws Yelemees, thiab cov khoom siv hluav taws xob los ntawm Nyiv. Qhov no tuaj yeem txuas ntxiv lub neej tag nrho ntawm lub tshuab drilling rig thiab tiv thaiv nws txoj kev siv los ntawm kev cuam tshuam los ntawm kev puas tsuaj ntawm ib feem. Rotary drilling rigs integrate mechanical, hluav taws xob, thiab hydraulic systems, featuring ib tug compact qauv, saj zawg zog thiab yooj yim ua hauj lwm, thiab ib tug high℃ntawm mechanization thiab automation. Lawv tuaj yeem txav ntawm nws tus kheej hauv qhov chaw tsim kho, txhim kho lawv tus kheej mast, thiab ua kom yooj yim thiab yooj yim txav chaw thiab borehole alignment. Kev siv telescopic laum rods txuag cov neeg ua haujlwm thiab lub sijhawm siv ntxiv cov laum rods, txo lub sijhawm pabcuam thiab siv sijhawm ntev tshaj plaws.
2. Multi-functionality, enabling ntau txoj kev drilling. Thoob ntiaj teb, kev tsim cov drilling rigs rau cov pawg loj thiab lub hauv paus kev tsim kho siab siv hydraulic kis tshuab thiab ntiav cov qauv tsim qauv. Yog tsis hloov lub ntsiab chav tsev, ib lub tshuab yuav siv tau rau ntau lub hom phiaj kom tau raws li lub adaptability ntawm loj siv machinery rau ntau yam kev tsim kho. Hauv kuv lub teb chaws, cov cuab yeej siv rau qhuav drilling lossis tsis yog - cov av nkos drilling los tsim cov pawg siv cov khoom siv luv luv lossis cov thoob hu ua rotary drilling rig. Qhov tseeb tiag, nws yog qhov loj - nplai engineering drilling rig tau yoog rau ntau txoj kev tsim kho. Dhau li ntawm qhov drilling, nws tseem tuaj yeem ua cov casing lossis tag nrho -casing drilling, tau nruab nrog lub thoob rau diaphragm phab ntsa tsim, siv dual- lub taub hau fais fab rau pawg phab ntsa txiav, thiab ua qhov ntev auger drilling (CFA txoj kev), ua tiav ntau yam - lub hom phiaj ua haujlwm.
3. High drilling efficiency. Rotary drilling rigs tuaj yeem teeb tsa nrog cov laum sib txawv nyob ntawm qhov xwm txheej geological. Nyob rau hauv cohesive av khaubncaws sab nraud povtseg, ntev laum chim yuav siv tau kom ceev drilling ceev; rau strata nrog cov xuab zeb siab thiab gravel cov ntsiab lus, cov tho luv luv tuaj yeem siv nrog cov av nkos phab ntsa los tswj kev nrawm nrawm; rau strata uas muaj pob zeb, erratics, thiab pob zeb nyuaj, ntev thiab luv auger khoom siv tau rau loosening, thiab tom qab ntawd lub laum lub thoob tuaj yeem hloov mus txuas ntxiv. Piv nrog rau cov pa drilling rigs, rotary drilling rigs muaj qhov sib hloov torque loj dua thiab tuaj yeem hloov kho raws li geological tej yam kev mob. Siab drilling siab, tswj tau yooj yim. Tsis tas li ntawd, vim hais tias rotary drilling me ntsis extract av thiab pob zeb ncaj qha los ntawm lub borehole, lawv drilling ceev yog siab heev. Feem ntau, qhov nrawm nrawm tuaj yeem ncav cuag 10 m / h hauv cov av thiab cov xuab zeb txheej, thiab 4-6 m / h hauv cov av nplaum txheej, uas yog 3-5 zaug, lossis siab dua, dua li cov txheej txheem sib tsoo.
4. Tsawg ib puag ncig muaj kuab paug. Rotary drilling yog qhuav los yog tsis yog - cov av nkos drilling txoj kev, tsuas yog 1/10 mus rau 1/20 ntawm cov av nkos siv rau pem hauv ntej thiab rov qab ncig drilling. Yog li ntawd, qhov chaw tsim kho yog huv si, thiab ib puag ncig muaj kuab paug tsawg. Rotary drilling kuj ua kom muaj kev vibration thiab suab nrov tsawg.
5. High- pawg tsim tau zoo. Rotary drilling ua rau muaj kev cuam tshuam tsawg kawg nkaus rau cov strata, ua rau cov av nkos nyias ntawm phab ntsa borehole thiab cov phab ntsa borehole ntxhib, uas ua rau muaj kev sib txhuam sab ntawm pawg thiab ua kom cov qauv tsim muaj peev xwm ntawm pawg hauv paus. Tsawg sediment nyob rau hauv qab ntawm lub borehole pab tu thiab txhim kho cov kabmob muaj peev xwm ntawm pawg kawg.
III. Kev txwv tsis pub muaj kev txhawb nqa thiab kev siv tshuab Rotary Drilling Technology
1. Cov khoom siv siab heev. Feem ntau, txoj kab uas hla ntawm cov kab tho yog 1.2-1.5m. Thaum muas khoom, qhov kev nyab xeeb feem ntau yog txiav txim siab, thiab kev tsim kho lub peev xwm ntawm cov khoom lag luam rotary drilling rig yuav tsum loj dua me ntsis. Yog li ntawd, feem ntau siv teb drilling rigs tam sim no muaj ib txoj kab uas hla ntawm 1.5-2m. Tus nqi ntawm xws li ib tug rig yog tshaj 4 lab yuan. Yog hais tias qhov drilling txoj kab uas hla loj dua, tus nqi ntawm ib qho rig ntxiv rau cov khoom siv tuaj yeem ncav cuag kaum lab ntawm yuan. Rau feem ntau cov tuam txhab tsim kho, tshwj xeeb tshaj yog cov pab pawg geological feem ntau koom nrog kev tsim kho hauv pawg, kev nqis peev ntau lab lossis ntau lab lab ntawm yuan hauv cov cuab yeej ib zaug yog qhov nyuaj. Ua ntej, lawv tsuas yog tsis muaj nyiaj rau kev yuav khoom loj. Qhov thib ob, los ntawm qhov kev xav ntawm kev tswj hwm tam sim no, txawm tias lawv muaj peev xwm los yuav cov cuab yeej siv qib siab no, lub tuam txhab cov thawj coj yuav xav txog ntau yam thiab tsis yooj yim rau kev yuav khoom.
2. Kev txwv los ntawm Txoj Haujlwm Scope. Vim hais tias rotary drilling rigs yog kim thiab muaj nqi khiav hauj lwm siab, tej yam yuav tsum tau muab tso rau hauv tej yaam num siv lawv, tsis zoo li cov tsoos pile foundation tsim, uas tsuas yog yuav tsum tau tsim geological tej yam kev mob thiab tsis muaj tej yam kev cai rau qhov project nws tus kheej. Ua ntej, rotary drilling rig tej yaam num yuav tsum tau loj - teev kev khiav hauj lwm thiab qhib, theem chaw. Rotary drilling rigs hnyav, feem ntau hnyav kaum lossis ntau pua tons. Yog tias ib qhov project me me, cov nqi hloov chaw yog siab, thiab lub sij hawm cog lus ntev, ua rau lub sij hawm siv tsawg, tag nrho cov uas cuam tshuam cov rotary drilling rig los ntawm kev paub txog nws qhov zoo. Yog li ntawd, tsuas yog thaum ib qhov project loj txaus los tso cai rau lub teb drilling rig ua haujlwm ntawm tib qhov chaw rau lub sijhawm txuas ntxiv, txo cov nqi hloov pauv thiab siv sijhawm ntau tshaj plaws, tuaj yeem ua tiav nws qhov zoo. Dhau li ntawm qhov loj ntawm cov haujlwm ib leeg, tag nrho cov haujlwm yuav tsum tau ua kom muaj kev ua haujlwm ib txwm muaj ntawm lub tshuab drilling rig kuj muaj qee yam yuav tsum tau ua. Tam sim no, nws feem ntau xav tau kom ua tiav txhua xyoo drilling ntim ntawm ntau tshaj 20,000 linear meters thiab ib qhov project tus nqi ntawm ntau tshaj 5 lab yuan kom paub meej nws qhov zoo. Lub caij no, vim qhov hnyav thiab qhov loj ntawm cov cuab yeej siv, qhov chaw tsim kho yuav tsum qhib, tiaj tus, thiab muaj qee qhov kev nyuaj los tiv thaiv qhov drilling rig los ntawm kev poob. Kev tsim kho tsis tuaj yeem ua rau hauv av xoob, av nkos, lossis tsis sib haum xeeb. Secondly, tej yaam num siv teb drilling rigs yuav tsum tau cov nyiaj tau los siab. Vim hais tias cov khoom siv teb drilling yog kim thiab muaj cov nqi khiav lag luam siab, nws tsuas yog tsim nyog los tsim ib qhov project yog tias nws ua tiav cov txiaj ntsig zoo. Raws li kev paub dhau los ntawm engineering, feem ntau, rotary drilling rigs tsuas yog siv thaum cov nyiaj tau los tag nrho ntawm qhov project nce mus txog 50% lossis siab dua.
3. Cov kev txwv ntawm geological tsim. Rotary drilling yog tsim rau cov av txheej, xuab zeb txheej, thiab cov gravel xoob xoob nrog cov khoom me me. Nws ua tau zoo tshaj plaws nyob rau hauv cohesive av txheej xws li silty av nplaum thiab clayey silt. Construction is difficult in hard rock layers, dense gravel layers, and boulder layers, and accidents inside the borehole and mechanical failures are more likely to occur, negating the advantages of rotary drilling.
4. Cov nqi khiav lag luam siab. Tus nqi siab ntawm cov cuab yeej ib txwm ua rau cov nqi khiav lag luam siab. Raws li cov tuam txhab drilling rig thiab cov neeg siv cov lus pom zoo, tag nrho - thauj khoom ib txwm ua haujlwm ntawm lub tshuab drilling rig yog 6300 teev. Tom qab lub neej no, qee cov khoom yuav tsum tau hloov lossis kho, tshwj xeeb tshaj yog cov winch system, hydraulic system lub ntsiab twj tso kua mis, lub taub hau fais fab, thiab laum pas nrig. Cov khoom siv no kuj kim heev, thiab lub sijhawm hloov pauv tau ntev. Qhov no ua rau nce cov nqi khiav lag luam ntawm cov teb drilling rigs hauv kev siv tiag tiag, yog li nce tus nqi tsim kho ntawm pawg hauv paus. Tam sim no, vim muaj kev sib tw hnyav thiab tsis muaj kev tswj hwm hauv kev ua lag luam hauv pawg, ntau qhov haujlwm tau cog lus ntau zaus ua ntej mus txog cov tuam txhab tsim kho, ua rau cov nqi qis thiab cov nyiaj tau los tsawg. Thaum siv teb drilling rigs muaj kev ua haujlwm siab thiab ua haujlwm zoo, cov txiaj ntsig tau qis lossis txawm tias tsis zoo. Qhov no yog qhov laj thawj tseem ceeb vim li cas ntau lub tuam txhab kev tsim kho tau tawm hauv qhov chaw drilling rigs tsis ua haujlwm, txuas ntxiv mus siv cov txheej txheem kev tsim kho ib txwm muaj.
Rotary drilling tshuab yog ib qho ntawm cov lus qhia yav tom ntej ntawm borehole grouting tshuab. Piv nrog rau kev cuam tshuam ib txwm los yog kev sib tsoo drilling thiab av nkos phab ntsa tiv thaiv tshuab, rotary drilling muaj ntau yam zoo, tab sis nws kuj muaj ntau yam txwv. Peb yuav tsum muab kev ua si tag nrho rau nws qhov kev ua tau zoo thiab muab pov tseg nws qhov tsis muaj zog txhawm rau txhawm rau ua kom zoo dua qhov zoo ntawm cov tshuab drilling tshuab thiab tsim kom muaj nyiaj ntau rau peb! #drilling drilling tshuab#
