I-Drilling Stabilizer Downhole Equipment ye-BHA
I-drilling stabilizer sisiqwenga sesixhobo somngxuma osezantsi esisetyenziswa kwindibano esezantsi yomngxuma (BHA) yomtya wokubhola. Izinzisa ngoomatshini i-BHA kumngxuma wokutsala amanzi ukuze kuthintelwe ukuphambuka okungeyonjongo, ukungcangcazela, nokuqinisekisa umgangatho womngxuma owombiwayo.
Iqulethwe ngumzimba we-cylindrical ongenanto kunye neentsimbi zokuzinzisa, zombini zenziwe ngentsimbi ephezulu. Iiblades zinokuba zithe tye okanye zijikelezwe, kwaye zinobunzima bokumelana nokunxiba.
Iindidi ezininzi ze-drilling stabilizers zisetyenziswa kwindawo yeoli namhlanje. Ngelixa i- integral stabilizers (eyenziwe ngoomatshini ngokupheleleyo kwisiqwenga esinye sentsimbi) ikholisa ukuba yinto eqhelekileyo, ezinye iindidi zingasetyenziswa, ezinje:
I-replaceable sleeve stabilizer, apho ii-blades zibekwe kwi-sleeve, ethi ikrwelwe emzimbeni. Olu hlobo lunoqoqosho xa kungekho zixhobo zokulungisa ezifumanekayo kufutshane nomgodi wombiwayo kwaye kufuneka kusetyenziswe imithwalo yomoya.
I-Welded blades stabilizer, apho iincakuba zidityaniselwe emzimbeni. Olu hlobo aluqhelekanga ukucetyiswa kwimithombo yeoli ngenxa yeengozi zokulahleka kwee-blades, kodwa isetyenziswa rhoqo xa kugaywa amaqula amanzi okanye kwiindawo eziphantsi kweoli.
Ngokuqhelekileyo i-2 ukuya kwi-3 stabilizers ifakwe kwi-BHA, kubandakanywa enye ngaphezu kwe-drill bit (i-ad-bit stabilizer) kunye nenye okanye ezimbini phakathi kweekhola zokubhoboza (i-string stabilizers)
| Umngxuma Ubungakanani (ngaphakathi) | Umgangatho DC Ubungakanani (ngaphakathi) | Udonga Uqhagamshelwano (ngaphakathi) | Blade Ububanzi (ngaphakathi) | Ukuloba Intamo Ubude (ngaphakathi) | Blade I-Undergage (ngaphakathi) | Ubude bonke (in) | Malunga Ubunzima (kgs) | |
| Umtya | Kufutshane-kancinci | |||||||
| 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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