Downhole Weighted Drill Pipe
Yog tias koj puas tau cuam tshuam nrog kev qaug zog ntawm kev hloov pauv ntawm koj cov yeeb nkab laum thiab dab tshos, koj paub tseeb tias yog vim li cas Downhole weighted laum yeeb nkab (HWDP) tshwm sim. Nws yog "tus txiv neej nruab nrab" uas tswj cov kev ntxhov siab kom koj cov kav dej sib zog tsis tas yuav.
Qhov nws ua tau rau koj lub rig
Thaum koj thawb tob los yog ntaus lub kaum sab xis, cov hlua tho tau txais "whipped." Peb Downhole weighted laum yeeb nkab ntxiv qhov tsim nyog qhov hnyav rau me ntsis yam tsis muaj qhov hnyav hnyav ntawm lub dab tshos laum. Nws txuas ntxiv qhov sib txawv nruj, txhais tau tias koj tau txais kev sib tw tsawg dua - tawm thiab kev sib hloov ntau dua.
Cov ntsiab lus tseem ceeb hauv pem teb
Khoom tsim
Peb siv AISI 4145H hloov kho alloy hlau. Nws hnyav, nws tuab, thiab nws yog ib qho tseem ceeb - tsis yog cov welded ua ke uas tej zaum yuav poob nyob rau hauv siab torque.
01
Center Wear Pad
Koj yuav pom qhov nruab nrab ntawm cov yeeb nkab yog thicker. Qhov no ua raws li kev txhim kho - hauv stabilizer. Nws khaws cov yeeb nkab lub cev kom deb ntawm phab ntsa abrasive borehole, uas ua rau koj cov yeeb nkab tsis txhob thinning dhau sijhawm.
02
Kev tiv thaiv xov
Peb siv phosphate txheej rau kev sib txuas. Nws yog ib qho me me, tab sis nws yog dab tsi tiv thaiv "galling" (xov nplaum) thaum thawj ob peb qhov tseem ceeb ua -ups.
03
Hardbanding xaiv
Peb tuaj yeem txuas rau Arnco lossis Tungsten Carbide bands. Yog tias koj tab tom drilling hauv siab - kev sib txhuam sandstone, cov hlua no siv lub tshuab ntaus kom cov hlau tsis zoo.
04
Lub taub hau nrawm-nce
Vim yog tuab- phab ntsa tsim thiab qhov nruab nrab chim siab, cov kav dej no hnyav thiab me ntsis cumbersome los tuav ntawm khib piv rau cov yeeb nkab txheem. Txawm li cas los xij, qhov hnyav ntxiv yog qhov ua kom koj lub qhov dej ncaj nraim thiab koj ROP (Rate of Penetration) siab.
05
Drilling FAQ: Tsis muaj Fluff, Tsuas yog cov lus teb
Q: Vim li cas ho tsis tsuas yog siv cov hlua khi ntau dua los ntawm cov yeeb nkab hnyav no?
Cov dab tshos tawv heev. Yog hais tias koj mus ncaj nraim los ntawm ib tug txha caj dab mus rau ib tug saj zawg zog laum yeeb nkab, cov yeeb nkab yuav khoov thiab snap txoj cai ntawm kev sib txuas. Lub Downhole hnyav laum yeeb nkab tau txaus "muab" rau kev hloov lub zog ntawd kom nyab xeeb. Nws yog ib qho kev pov hwm rau koj txoj hlua.
Q: Kuv yuav ua li cas thiaj paub tias cov xov yuav tsis poob ib nrab ntawm - txoj haujlwm?
Txhua qhov sib koom ua ke raug txiav rau API 7-1 cov qauv thiab mus dhau 100% kev kuaj ultrasonic. Peb saib rau sab hauv flaws uas qhov muag liab qab pom tsis tau. Koj yuav tau txais daim ntawv pov thawj Mill Test (MTC) nrog rau cov khoom xa tuaj kom koj tuaj yeem txheeb xyuas cov chemistry thiab hardness koj tus kheej.
Q: Puas yog cov txheej txheem sab hauv puas nyob ntawm?
Peb muab TK-34 thiab cov txheej txheem zoo sib xws. Txawm hais tias tsis muaj txheej txheej yuav kav mus ib txhis nyob rau hauv siab - cov av nkos nrawm, peb cov khoom yog ci rau los tswj cov cua sov thiab tshuaj yaig uas muaj nyob rau hauv qhov sib sib zog nqus mining thiab roj av apps. Nws ho slows down internal pitting.
Q: Nws puas zoo rau H2S (kua roj) ib puag ncig?
Yog tias koj qhia peb tias koj tab tom ntaus "qaub" aav, peb muab cov qib tshwj xeeb nrog kev tswj xyuas qhov nyuaj. Nws yog ib qho kev nqis peev ntau me ntsis, tab sis nws tiv thaiv cov yeeb nkab kom tsis txhob tawg thiab tawg thaum nws tsoo sulfide.
Q: Yuav ua li cas koj xa cov no kom paub tseeb tias qhov kawg tsis dinged?
Peb tsis yog pov lawv ntawm lub tsheb thauj khoom xwb. Peb siv hnyav- lub luag haujlwm steel thav duab crates thiab nias - steel xov tiv thaiv. Cov xov yuav huv si thiab greased thaum lawv tuaj txog ntawm koj qhov chaw.
Qhov no yog leej twg?
Yog tias koj tsiv mus rau hauv kev taw qhia drilling, lossis yog tias koj nkees ntawm kev hloov "stretched" cov kav dej hauv koj lub qhov ntsug, qhov no yog qhov hloov kho koj xav tau. Nws yog tsim rau cov neeg coob uas xav siv sij hawm ntau dua drilling thiab tsawg lub sij hawm nuv ntses rau cov hlau tawg.
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