1.Ukwakhiwa komhlahlandlela
Gwema ukuchezuka kwejika kanye nokwakheka komumo othi “S” ekwakhiweni okuqondisiwe.
Kuhlelo lokwakhiwa kweukubhola okuqondisayongokusebenzisa, kungakhathaliseki ukuthi imbobo yomhlahlandlela ibushelelezi noma cha, kungakhathaliseki ukuthi ihambisana nejika lomklamo wangempela, futhi ugweme ukubukeka komumo othi "S" wembobo yomhlahlandlela kuyisidingo sokuqedwa ngempumelelo kokwakhiwa kokuwela.Ukuze ugweme ukwakheka komumo "S", izinyathelo ezilandelayo zingathathwa:
(1) Enqubweni yokulinganisa nokumisa, sebenzisa isiteshi esiphelele ukuze uphinde uhlole futhi uqinisekise izindawo zokuphuma nokungena izikhathi ezingaphezu kwezintathu ukuze uqinisekise ukuthi ipayipi eliwela liyavumelana nomklamo.
（2）Ngaphambi kokumba, ithuluzi lokubhola liyalinganiswa, futhi amaphuzu amaningi okulinganisa okuphindaphindiwe ukuze kuqinisekiswe ukunemba kwawo.
(3) Hlaziya izimo zokuma komhlaba ngaphambi kokuqala umsebenzi, dweba ijika elijikayo ngendlela yokuxhuma ipayipi ngalinye lokubhoboza ephepheni elididiyelwe ngokuya ngejika lokuklama, ilebula ipayipi lokubhoboza ngalinye, futhi ubonise izimo zejoloji ezihambisanayo ekujuleni okuhlukahlukene;Enkambweni yokumba, ngokusho kwendawo yokumba izimo zokubunjwa ukulawula ukusebenza kwe-viscosity yodaka, nganoma yisiphi isikhathi ngokuvumelana nezimo ze-geological ukulungisa ukucindezela kodaka, isilinganiso sodaka kanye neminye imingcele.
(4) Ngemuva kokuthi i-rig yokumba isisendaweni, linganisa ngokunembile ubukhulu be-engeli efakiwe, bala ukukhukhuleka okuvundlile futhi ukurekhode, futhi kancane kancane ukulungise ngokwenani elivumelekile lokugoba okuwela phakathi nenqubo yokumba, ukuze ugweme. ukuma kwe-"S" yepayipi yokubhoboza ohlotsheni lokubunjwa ukuze kuqinisekiswe ukushelela kwejika lokubhoboza futhi kuthuthukiswe ikhwalithi yokubhoboza yembobo yokushayela.
(5) Qonda ubuso, izimo ze-geological kanye ne-hydrological, futhi ulinganise i-azimuth emugqeni ophakathi nendawo ngaphandle kokuphazanyiswa kazibuthe.Ukulinganisa kwe-azimuth Angle kwenziwa ezinhlangothini zombili zendawo yokungcwaba kanye nendawo yokumba.
(6) Ikhoyili kufanele ibethelwe ngenhla kwe-eksisi ewelayo, futhi ukuchezuka kufanele kukalwe njalo ukuze kuqinisekiswe ukuthi i-eksisi ewelayo ihambisana ne-eksisi yomklamo kanye nokunemba kokumbiwa kwenqwaba ephezulu endaweni evubukuliwe.
(7) Amarekhodi okulawula isiqondiso kufanele aphelele, anembile futhi asebenze kahle.Enqubweni yokumba imbobo yokuhlola, noma yikuphi ukungahambi kahle nokumiswa kokumba kuzorekhodwa.
(8) Qaphela umehluko wengcindezi yodaka kanye noshintsho lodaka ngaso sonke isikhathi ukuze unikeze isisekelo sokwahlulela isimo sokusebenza sephampu yodaka;bheka ukuguqulwa kwengcindezi ye-propulsion ukunikeza isisekelo sokusebenza kwethuluzi lokumba.
(9) Ukuze kuqinisekiswe ukuthi ijika lokumba lihambisana nejika eliwela umklamo, isistimu yokuqondisa izohlolwa lapho imbobo yokushayela ibholwa, ikakhulukazi okuhlanganisa: ukuhlola ikhonsoli ye-driller, ukuhlola idivayisi yesixhumi esibonakalayo, ukuxilongwa kwe-probe (okuhlanganisa ukuhlola ukulinganisa kokuhlola, idatha, njll.) ukutholwa okuqhubekayo.Ngemuva kokuthi zonke izivivinyo nokulungiswa sekuqediwe, qhubeka nokubhola okuvamile.
2.Ngiphathent ukulinganisa lapho i-drill bit ibambekile
(1) Ngesikhathi sokumba imbobo yokushayela, i-drill bit ingase ibambeke, ebonakala ngokunyuka okubukhali kokucindezela kodaka, noma ukwanda okusheshayo kwe-torque ye-drilling rig (ngesikhathi sokubhola okujikelezayo).Ngalesi sikhathi, i-torque ekhiqizwa injini yodaka ayikwazi ukunqoba isenzo se-rock torque endaweni yokubhoboza, i-drill bit iyeka ukujikeleza.
Kunezinketho ezimbili:
● Uma ukwehla kokucindezela kodaka kungagcinwa ngaphakathi kwebanga elingu-500psi, kungenzeka ukuthi umise ngokushesha ukuqhubekela phambili kwepayipi lokubhoboza, futhi esikhundleni salokho udonsele ipayipi lokubhoboza libheke ngalapho kubhobolwa khona ukuze umshini wokubhola ushiye dwala ngokushesha, nciphisa umehluko wengcindezi odakeni, bese usebenzisa i-Trust and thrust drilling ehamba kancane;
●Lapho ukwehla kokucindezela kodaka kudlula ama-500psi, iphampu yodaka kufanele ivalwe ngokushesha, ukumpompa udaka kufanele kumiswe, futhi ipayipi lokubhoboza kufanele lihlehliswe liye endaweni yokumba ukuze kuvinjwe injini yodaka ukuba ingalimali ngenxa yokucindezela okukhulu. uphawu.
(2) Ngesikhathi kwakhiwa imbobo yomhlahlandlela, i-drill ibambekile lapho ishintsha ithuluzi lokubhoboza noma impompa ipayipi lokubhoboza ngaphansi kwezinye izimo ezikhethekile.Isizathu esiyinhloko ukuthi ukuphambuka kwezigaba ngazinye kukhulu kakhulu, ukuhlanzwa kwembobo akuphelele, ukuqoqwa ngokweqile kwama-cuttings okugaya okubangelwa "umgodi we-shrinkage", okuholela ekubambeni okunamathelayo.
Ukwelashwa: Okokuqala, udaka kufanele lugcinwe lusebenza ngendlela evamile, futhi kunodaka olwanele lokulumpompa emgodini.Ngalesi sikhathi, ipayipi lokubhoboza akufanele limane liqhubeke nokuhlehla, kungenjalo lizobhajwa kalula.Ipayipi lokubhoboza kufanele liqhubeke nokuqhubekela phambili ngokumpompa udaka, lihlanze umgodi ngesineke, lilungise unqenqema oluphakeme lwebhithi ngokwerekhodi lokuqala lokubhoboza, limise ukuzungezisa kwepayipi lokubhoboza limpompa emuva, qaphela ukulawula ukushuba kwesinqe. , bese uzungezisa ipayipi lokubhoboza phambili, hlanza imbobo, izikhathi eziningi, kuze kube bushelelezi ngesigaba "somgodi wokuncipha".
3.Ukwakhiwa kabusha
(1) Izinyathelo zokulwa zokuwa kwekhoni emgodini ngesikhathi sokubuyisela kabusha
Ngesikhathi sokwakhiwa kabusha, ngenxa yamandla amakhulu ngokweqile noma ukwakheka kongqimba lwedwala oluguquguqukayo, ikhoni ye-cone reamer ingase iwele embobeni, kuthinte ukwakhiwa kabusha okulandelayo.
Indlela yokwelapha: Ngokusho kwedatha yerekhodi yokuqondisa, ukuguqulwa kwengcindezi engxenyeni ngayinye yongqimba lwamadwala kunganqunywa.Ngemva kokuba umshini wokuvuselela amadwala ususetshenziswe amahora angu-80, esikhundleni sawo ufake omusha wokuvuselela kabusha;Ngaphambi kokuthi umshini ovuselelayo angene endaweni lapho ukucindezelwa kwamadwala kukhuphuka khona, uma i-rock reamer isetshenziswe amahora angaphezu kuka-60, esikhundleni saso ufake esisha.
(2) Izinyathelo zokubhekana nepayipi lokubhoboza eliphukile
I-geology enqamulayo yephrojekthi ayilingani ngobulukhuni nobulukhuni, futhi izidingo zekhwalithi yokwakheka kabusha ziphezulu kakhulu.Lapho uhlangabezana nezindawo ezinezinguquko ezinkulu ekucindezelweni kwamadwala ngesikhathi sokuvuselela, kulula ukubangela ukuphuka kwepayipi lokubhoboza, okubonakala ngokuncishiswa kwe-torque yokubhoboza kanye nokungezwani.
Indlela yokwelapha: ngesikhathiukubhola okuqondisayoukwakhiwa, inqubo yokwakha yokuxhuma ipayipi lokubhoboza endaweni yokumba izokwamukelwa.Ngemuva kokuphuka kwepayipi lokubhoboza, lungisa ngesikhathi esifanele isisetshenziswa endaweni yokumbiwa bese ubuyisela emuva i-drill pipe reamer.Ngemuva kokuthi zonke izinsimbi zokubhoboza amapayipi sezidotshiwe, uhlelo lomhlahlandlela luzofakwa eceleni emhlabathini ukuze luqondise futhi eduze kwembobo yokuqala.
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Isikhathi sokuthumela: Feb-07-2023