Drilling Stabilizer Downhole Equipment yeBHA
A drilling stabilizer chidimbu chemudziyo wepasi unoshandiswa mugomba rezasi (BHA) retambo yekuboorera. Iyo inodzikamisa iyo BHA muchibhorani kuitira kudzivirira kutsaukira neune, kuzunguzika, uye kuve nechokwadi chemhando yegomba riri kucherwa.
Inoumbwa nehollow cylindrical body uye mashizha anodzikamisa, ose akagadzirwa nesimbi yakasimba-yakasimba. Iwo mablades anogona kunge akatwasuka kana akatenderedzwa, uye akaomeswa nekusapfeka.
Mhando dzinoverengeka dzekuchera stabilizers dzinoshandiswa munzvimbo yemafuta nhasi. Nepo zvakakosha zvigadzika (zvakagadzirwa zvizere kubva muchidimbu chimwe chete chesimbi) zvichiwanzo kuve zvakajairwa, mamwe marudzi anogona kushandiswa, akadai se:
Replaceable sleeve stabilizer, uko mashizha ari pane sleeve, iyo inobva yaputirwa pamuviri. Rudzi urwu runogona kuve nehupfumi kana pasina zvivakwa zvekugadzirisa zviripo padhuze netsime rekucherwa uye kutakura kwemhepo kunofanirwa kushandiswa.
Welded blades stabilizer, uko mashizha anosungirirwa pamuviri. Rudzi urwu kazhinji haruna kurairwa pamatsime emafuta nekuda kwenjodzi dzekurasika mashizha, asi rinogara richishandiswa pakuchera matsime emvura kana paminda yemafuta inodhura.
Kazhinji 2 kusvika ku3 stabilizers inoiswa muBHA, kusanganisira imwe chete pamusoro pechibooreso (near-bit stabilizer) uye imwe kana maviri pakati pemakora ekuchera (tambo stabilizers)
| Hole Saizi (mu) | Standard DC Size (mu) | Wall Contact (in) | Blade Upamhi (mu) | Kubata hove Neck Urefu (mu) | Blade Undergage (mu) | Hurefu Hwose (mu) | Approx Huremu (kgs) | |
| String | Pedyo-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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