Qodista Dejinta Qalabka Downhole ee BHA
Xasijiye qodiddu waa qayb ka mid ah qalabka godka hoostiisa loo isticmaalo ee isku xidhka godka hoose (BHA) ee xadhigga daloolka. Waxay si farsamaysan u dejisaa BHA ceelka riigga ah si ay uga fogaato dhinac aan ula kac ahayn, gariir, oo ay hubiso tayada daloolka la qodayo.
Waxay ka kooban tahay jidh cylindrical godan iyo garbaha xasilinta, oo labaduba ka samaysan bir xoog badan. Daabyadu waxay noqon karaan kuwo toosan ama soo wareega, waxayna u adag yihiin inay xidhaan iska caabin.
Dhawr nooc oo ah xasiliyeyaasha qodista qodista ayaa maanta laga isticmaalaa dhulka saliidda. Iyadoo xasiliyayaasha isku dhafan (si buuxda loogu farsameeyay hal gabal oo bir ah) ay caadi u yihiin, noocyo kale ayaa la isticmaali karaa, sida:
Xasijiye gacan-gacan oo la bedeli karo, halkaas oo daabyadu ay ku yaalliin gacan-gacmeed, kaas oo markaa lagu maroojinayo jidhka. Noocani wuxuu noqon karaa mid dhaqaale marka aan la helin tas-hiilaad dayactir u dhow ceelka la qodayo oo xamuulka hawada la isticmaalo.
Xasijiye daab alxan leh, halkaas oo daabuhu ay ku alxaan jidhka. Noocan ah inta badan laguma taliyo ceelasha saliidda khatarta ah inay lumiyaan daabyada, laakiin si joogto ah ayaa loo isticmaalaa marka la qodayo ceelasha biyaha ama goobaha saliidda ee jaban.
Caadiyan 2 ilaa 3 xasiliye ayaa lagu rakibaa BHA, oo ay ku jiraan mid wax yar ka sarreeya birta layliga (dhagayso-bitalka) iyo hal ama laba ka mid ah xirmooyinka laydhka (xajinta xadhkaha)
| Dalool Cabbirka ( gudaha) | Heerka Cabbirka DC (gudaha) | Darbiga La xidhiidh (gudaha) | daab Ballac (gud) | Kalluumeysiga Qoorta Dhererka (gudaha) | daab Undergage (gudasho) | Dhererka Guud (gudaha) | Qiyaastii Miisaanka (kgs) | |
| Xarig | Ku dhow-bit | |||||||
| 6 "- 6 3/4" | 4 1/2" - 4 3/4" | 16" | 2 3/16" | 28" | -1/32" | 74" | 70" | 160 |
| 7 5/8" - 8 1/2" | 6 1/2" | 16" | 2 3/8" | 28" | -1/32" | 75" | 70" | 340 |
| 9 5/8" - 12 1/4" | 8" | 18" | 3 1/2" | 30" | -1/32" | 83" | 78" | 750 |
| 14 3/4" - 17 1/2" | 9 1/2" | 18" | 4" | 30" | -1/16" | 92" | 87" | 1000 |
| 20"-26" | 9 1/2" | 18" | 4" | 30" | -1/16" | 100" | 95" | 1800 |
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