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.


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

Ahịrị injection chemical (3)
Ahịrị injection chemical (2)

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


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