Umphumela weHydrogen Sulfide Ezisetshenziswa

Umonakalo wesevisi ye-hydrogen sulfide emanzi uvame ukubonakala kukhabhoni nasezinsizeni zensimbi enengxubevange ephansi equkethwe ngaphakathi kwezindawo ezikhiqiza ama-hydrocarbon, njengezimboni zikawoyela negesi, amakhemikhali, kanye nezimboni ze-petrochemical. Izimpahla ezisendaweni emuncu enamanzi ehlanganisa okuqukethwe kwe-H2S okukhulu kuno-50 ppm namazinga okushisa angaphansi kuka-82° C (180° F) asengozini enkulu yokulimala kwe-H2S emanzi. Izinsimbi ezindala noma “ezingcolile” zivame kakhulu ekulimaleni kwe-H2S emanzi ngoba ngokuvamile zinevolumu eyengeziwe, ama-laminations, nokungapheleli kokwenziwa koqobo kuzo zombili izifunda eziyisisekelo zensimbi ne-weld deposit. Umonakalo we-H2S omanzi ubonakala kakhulu kumagobolondo omkhumbi ocindezelayo, amathangi, noma izingxenye zezingxenye zamapayipi ashiselwe ngomthungo omkhulu kunamapayipi angenamthungo, amashubhu, noma ama-forging.

Lapho kukhona umswakama, i-H2S isebenzisana nensimbi yodonga lwensimbi ikhiphela i-hydrogen emfudlaneni kawoyela. I-hydrogen isakazeka ensimbi, ihlangane yenze i-hydrogen yamangqamuzana lapho inqanyulwa. Ngokuhamba kwesikhathi, i-hydrogen eyandayo ibanjiswa ukucindezela okwakha ingcindezi ensimbi okuholela ekuhlulekeni kwendawo. Nazi ezinye zeziphambeko ezihlukahlukene ezingabonwa:

• Ingcindezi idala imifantu evamise ukuba yi-laminar futhi eqondiswe ngokuhambisana nendawo yangaphakathi nangaphandle yengxenye. Ngokuhamba kwesikhathi, le mifantu ijwayele ukujoyina ngenxa yokwakheka kwengcindezi yangaphakathi kanye nezinkambu zengcindezi yasendaweni ezifundeni ezilimele ezibhebhetheka ngobuningi bengxenye. Lokhu kwaziwa ngokuthi i-Hydrogen Induced Cracking (HIC) noma ukuqhekeka okuhamba kancane.
• Uma i-lamination yenzeka eduze kwendawo, singagcina sinebhamuza elikhuphuka ngaphakathi, ngaphandle, noma ngaphakathi kodonga lwemishini yokucindezela. Ukwengeza, imifantu ingasuka kumjikelezo webhamuza, okungenzeka isakazeke odongeni, ikakhulukazi eduze nendawo yokushisela.
• I-Stress Oriented Hydrogen Induced Cracking (SOHIC) ibonakala njengezinhlu zemifantu enqwabelene phezulu komunye nomunye okungase kubangele ukuqhekeka kokuqina okuzungeze isisekelo sensimbi eseduze ngqo neNdawo Ethintekile Ukushisa (HAZ).

Uma kuziwa ezindleleni Zokuhlola Okungabhubhisi (NDT), Ukuhlola Okuvamile kwe-Ultrasonic (UT) kusetshenziswe kakhulu kusetshenziswa isigameko esivamile kanye nama-shear wave probes. Kodwa-ke, kunobunzima bokuhlukanisa phakathi kwe-lamination/inclusions kusuka emonakalweni wangaphakathi emsebenzini. Kuphinde kube yinqubo ekhandlayo nehamba kancane encike kakhulu ku-opharetha.

Ipulagi yebhuloho elisha elingamelana ne-hydrogen sulfide (fiberglass) elaklanywa futhi lathuthukiswa umnyango we-R&D wakwa-Vigor lithole imiphumela egculisayo elabhorethri kanye nendawo yekhasimende, futhi ithimba lezobuchwepheshe le-Vigor selingakwazi ukuyiklama futhi liyikhiqize ngokwezidingo zekhasimende ukuze ihlangabezane nezidingo zekhasimende. izidingo esizeni. Uma unentshisekelo ngemikhiqizo yepulaki yebhuloho le-Vigor, sicela ungangabazi ukuthintana nethimba le-Vigor ngemikhiqizo eyenziwe ngokwezifiso kanye nezinsizakalo zekhwalithi ezikhethekile.

Ukuze uthole ulwazi olwengeziwe, ungabhalela ibhokisi lethu lemeyiliinfo@vigorpetroleum.com&marketing@vigordrilling.com