Chii chinonzi Bridge Plug?

A bridge plug chishandiso chinoshandiswa mu downhole application muindasitiri yekuchera oiri. Downhole zvinoreva kuti plug yebhiriji inoshandiswa nenzira yepasi, zvichireva kuti inoiswa mukatiwellbore, kana kuti pasi pevhu, kumisa tsime kushandiswa. Bhiriji plug ine zvese zvechigarire uye zvenguva kunyorera, zvinoreva kuti inogona kuiswa mufashoni inomira zvachose kugadzirwa kweoiri kubva mugomba rayakaisirwa, kana kuti inogona kugadzirwa nenzira inoita kuti idzoke kubva mutsime, zvichibvumira. kugadzirwa kubva mutsime kuti utangezve. Iwo anogona zvakare kushandiswa kwechinguvana mukati metsime kuti amiremafuta asina kuchenakubva pakusvika panzvimbo yepamusoro petsime parinenge richisevedzwa kana kurapwa.

Mabhurogi plugs anowanzo kugadzirwa kubva kune akati wandei zvinhu izvo imwe neimwe ine yayo inoshanda mabhenefiti uye yakashata. Semuyenzaniso, maplugs ebhiriji anogadzirwa nezvinhu zvakaumbwa anowanzo shandiswa mukudzvanya kwepamusoro-soro maapplication nekuti anokwanisa kumirisana ne18,000-20,000 psi (124-137 MPa). Nekune rumwe rutivi, kushandiswa kwavo zvachose kunowanzoita kuti kutsvedza nekufamba kwenguva nekuda kwekushaikwa kwekubatana pakati pezvinhu zvakaumbwa uye zvinhu zviri mukati megomba. Bridge plugs dzakagadzirwa kunzesimbi yakakandwakana imwe simbi inogona kuva yakakwana kwenguva refu kana kunyange yekusingaperi zvikumbiro, zvisinei, ivo havabatike zvakanyanya mumamiriro ekudzvinyirira.

Bridge plugs ha Muchokwadi, kuisa plug yebhiriji mukati memugodhi kumisa zvachose kana kumisa kuyerera kweoiri kana gasi idanho rakakura rinofanira kuitwa nehungwaru uye nehungwaru. Izvo zvinofanirwa kuitwa uchishandisa bhiriji plug chishandiso chakanyatso gadzirirwa kuisa mabhiriji plugs nenzira inoshanda.

Chishandiso chinoshandiswa kuisa plug kazhinji chine mandrel ane tapered uye akarukwa anoiswa pakati pebhiriji plug uye ane maoko ekumanikidza anoiswa achitevedzana kuitira kuti sezvo chishandiso chinobata plug, maoko anodzvanya kutenderedza plug uye mudziyo unotenderedza plug mugomba mutsime. Kana plug yebhiriji iri pahupamhi hunodiwa, chishandiso chinobviswa kubva pakati peaxial yeplug, uye isina kuverengerwa kubva muhumburumbira. Chishandiso chinobviswa mugomba nepopu ichisiiwa panzvimbo, sezvo maoko adzikira kana mudziyo usisina plug.