Ka hopena o ka Hydrogen Sulfide ma ka Lako

ʻIke pinepine ʻia ka pōʻino o ka wai hydrogen sulfide i loko o ke kalapona a me nā mea hao hao haʻahaʻa i loko o nā mea hana e hana ai i nā hydrocarbons, e like me ka ʻaila a me ke kinoea, kemika, a me nā ʻoihana petrochemical. ʻO nā waiwai i loko o ka wai ʻawaʻawa e hui pū ana i ka maʻiʻo H2S ʻoi aku ka nui ma mua o 50 ppm a me nā mahana ma lalo o 82° C (180° F) e maʻalahi loa i ka pōʻino H2S pulu. ʻOi aku ka maʻalahi o nā kila kahiko a i ʻole "palapala" i ka pōʻino H2S pulu no ka mea maʻamau, ʻoi aku ka nui o ka volumetric inclusions, laminations, a me nā hemahema o ka hana mua ʻana ma nā wahi metala kumu a me nā wahi hoʻopaʻa weld. ʻIke ʻia ka pōʻino H2S pulu i loko o nā pūpū ipu kaomi, nā pahu, a i ʻole nā ​​ʻāpana o nā ʻāpana paipu i hoʻopaʻa ʻia me ka lōʻihi lōʻihi ma mua o ka paipu ʻole maʻamau.

Ma ke alo o ka wai, H2S e launa me ka hao o ka paia kila e hoʻokuʻu ana i ka hydrogen i loko o ke kahawai aila. Holoi ka hydrogen i loko o ke kila, hui pū ʻia e hana i ka hydrogen molekula ma nā ʻoki ʻole. I ka wā lōʻihi, ʻoi aku ka nui o ka hydrogen e paʻa i ke kūkulu ʻana i ke kaomi no laila ke koʻikoʻi i ke kila e alakaʻi ai i ka hāʻule kūloko. Eia kekahi o nā hemahema like ʻole e ʻike ʻia.

• ʻO ke koʻikoʻi ke kumu o nā māwae ma ke ʻano he laminar a hoʻohālikelike ʻia me ka ʻili o loko a me waho o ka mea. I ka hala ʻana o ka manawa, hui pū kēia mau māwae ma muli o ke kūkulu ʻana o ke kaomi kūloko a me nā kahua koʻikoʻi kūloko ma nā wahi i poino e hoʻolaha ana ma ka mānoanoa o ka mea. ʻIke ʻia kēia ʻo Hydrogen Induced Cracking (HIC) a i ʻole ka haʻi haʻahaʻa.
• Inā kū ka lamination ma kahi kokoke i ka ʻili, hiki iā mākou ke hoʻopau me ka piʻi ʻana o kahi blister mai loko mai o ka ʻili o waho, a i ʻole i loko o ka mānoanoa o ka pā o nā mea paʻi. Eia hou, hiki i nā māwae ke hoʻonui mai ka ʻāpana o kahi blister, hiki ke hoʻolaha ma ka ʻaoʻao o ka paia, ʻoi aku ma kahi o nā welds.
• Hōʻike ʻia ka Stress Oriented Hydrogen Induced Cracking (SOHIC) ma ke ʻano he pūʻulu o nā māwae i hoʻopaʻa ʻia ma luna o kekahi me ka hopena i ka mānoanoa o ka mānoanoa a puni ka metala kumu e pili pono ana i ka Heat Affected Zone (HAZ).

I ka hiki ʻana mai i nā hana Non-Destructive Testing (NDT), ua hoʻohana nui ʻia ka Ultrasonic Testing (UT) maʻamau me ka hoʻohana ʻana i nā hanana maʻamau a me nā ʻimi nalu shear. He paʻakikī naʻe ka hoʻokaʻawale ʻana ma waena o ka lamination / inclusions mai ka pōʻino i loko o ka lawelawe. He hana paʻakikī a lohi hoʻi i hilinaʻi nui i ka mea hoʻohana.

ʻO ka hou hydrogen sulfide resistant composite (fiberglass) bridge plug i hoʻolālā ʻia a hoʻomohala ʻia e ke keʻena R&D o Vigor ua loaʻa i nā hopena ʻoluʻolu i ka hale hana a ma kahi o ka mea kūʻai aku, a hiki i ka hui ʻenehana o Vigor ke hoʻolālā a hana e like me ka makemake o ka mea kūʻai aku e hālāwai me ka mea kūʻai aku. pono ma ka paena. Inā makemake ʻoe i nā huahana bridge plug a Vigor, e ʻoluʻolu e hoʻokaʻaʻike i ka hui Vigor no nā huahana i hana ʻia a me nā lawelawe maikaʻi kūʻokoʻa.

No ka ʻike hou aku, hiki iā ʻoe ke kākau i kā mākou pahu letainfo@vigorpetroleum.com&marketing@vigordrilling.com