Ahịrị injection kemịkalụ

Nkọwa dị mkpirikpi:

Obere oghere nke na-agba n'akụkụ mmepụta tubulars iji mee ka injection nke inhibitors ma ọ bụ ọgwụgwọ yiri ya n'oge mmepụta.Ọnọdụ ndị dị ka mkpokọta hydrogen sulfide [H2S] dị elu ma ọ bụ ntinye ọ̀tụ̀tụ̀ siri ike nwere ike igbochi ya site na ntụtụ kemịkalụ ọgwụgwọ na ihe mgbochi n'oge mmepụta.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Ntinye ngwaahịa

Okwu izugbe maka usoro ịgba ọgwụ na-eji kemịkalụ pụrụ iche iji melite mgbake mmanụ, wepụ mmebi nguzobe, perforations egbochiri ma ọ bụ n'ígwé nhazi, belata ma ọ bụ gbochie corrosion, kwalite mmanụ crude, ma ọ bụ okwu okwu mmesi obi ike nke mmanụ crude.Enwere ike ịgbanye ọgwụ mgbochi mgbe niile, na batches, na olulu mmiri injection, ma ọ bụ mgbe ụfọdụ n'olulu mmiri mmepụta.

Ngosipụta ngwaahịa

Njirimara Alloy

Nguzogide corrosion

Organic acid dị elu na oke okpomọkụ.
Acid inorganic, dịka phosphoric na sulfuric acid, n'ogo na oke okpomọkụ.A pụkwara iji ígwè ahụ mee ihe na sulfuric acid nke mkpokọta n'elu 90% na obere okpomọkụ.
Ngwọta nnu, dịka sulfates, sulphides na sulfites.

gburugburu Caustic

Steeti Austenitic na-enwe ike imebi nrụgide corrosion.Nke a nwere ike ime na okpomọkụ dị ihe dị ka 60°C (140°F) ma ọ bụrụ na a na-etinye nchara nchara na nrụgide tensile ma n'otu oge ahụ na-abanye na kọntaktị ụfọdụ ngwọta, karịsịa ndị nwere chlorides.Ya mere ekwesịrị izere ọnọdụ ọrụ dị otú ahụ.A ghaghị ịtụle ọnọdụ mgbe a na-emechi ihe ọkụkụ, n'ihi na condensates nke emeziri nwere ike ịmalite ọnọdụ na-eduga ma nrụgide corrosion cracking na pitting.
SS316L nwere obere carbon ọdịnaya ya mere mma iguzogide intergranular corrosion karịa nchara nke ụdị SS316.

Mpempe akwụkwọ nka nka

Alloy	OD	WT	Mpụta Ike	Ike ọdụdọ	Ogologo oge	Isi ike	Nrụgide arụ ọrụ	Nrụgide mgbawa	Kwụsị Nrụgide
	inch	inch	Mpa	Mpa	%	HV	psi	psi	psi
			min.	min.	min.	max.	min.	min.	min.
SS316L	0,375	0,035	172	483	35	190	3,818	17,161	5,082
SS316L	0,375	0.049	172	483	35	190	5,483	24,628	6,787
SS316L	0,375	0.065	172	483	35	190	7,517	33,764	8,580
SS316L	0,375	0.083	172	483	35	190	9,749	43,777	10,357