Sour Service !Aplikasi kɛrɛnkɛrɛnnenw

Sour baara kɔrɔin pibiliki sanni tɛ dɔrɔn "H2S bɛ yen." O kɔrɔ ye ka fara ɲɔgɔn kanH2S tansiyɔn yɔrɔ dɔ, funteni, pH, ani kuloridibɛ se ka idɔrɔzi bila nɛgɛ la ani ka wuliSSC/HIC ye, o la, fɛnw sira ni sɔnni sariyaw ka kan ka tugu sour-baarakɛcogo sariyaw kɔ sanni ka tugu layini pipe kɛcogo bɛɛ lajɛlen kɔ.

Misaliya:Jilama rapɔɔri min b’a jira1.000 ppm H2Sbɛ se ka kɛ "moderate" ye, nka at100 bartotal pressure a bɛ baara kɛ ni min ye~0,1 bar ppH2S ye, o min ka jugu fo baarakɛla caman bɛ se ka wajibiw gɛlɛya gɛlɛya kɔlɔsili ni sour qualification kan. O ni ɲɔgɔn cɛ, o 1000 ppm kelen in na10 barye dɔrɔn~0,01 bar ppH2S ye, tuma caman na, o bɛ na ni sannifeere latigɛ ye min ni tɔw tɛ kelen ye kosɛbɛ.
O de y’a to sour-service sugandili bɛ ɲɛminɛ cogoya la ni...jilamaw ka chimie rapɔɔriani ɲɛmɔgɔya sariya (a ka c’a laNACE MR0175 / ISO 15156. Ɲɛjirali dɔw bɛ kɛ)-ani mun na Octal Pipe ka teli ka baarakɛyɔrɔ anwɛlɛki ɲini (ppH2S / pH / funteni) sani a ka baarakɛminɛnw ka baarakɛminɛnw pake nɔgɔlen-dafalen dɔ dafa.

Tulu ni gazi, petoroli, kɔgɔjida la, ani degunba/funteni caman (HPHT) baarakɛyɔrɔw la, baarakɛminɛn nɔgɔlenw bɛ wajibiya ka gɛlɛn kosɛbɛ nɛgɛ hakɛ, kemikoro, funteni furakɛli, solda jogo, finimugu, ani hakɛ muɲuni kan. Ni u ma kɔlɔsi ka ɲɛ, sigida nɔgɔlenw bɛ se ka nɔba bila pibiliki dafalen na, a lakanani na ani a baarakɛcogo la.

Octal Pipe bɛ sour service ani application line pipes kɛrɛnkɛrɛnnenw di minnu bɛ bɛn diɲɛ sariyaw ni seereyaw ɲɛmɔgɔw ma.

Baarakɛcogo nɔgɔlen H2S ppmye hakilijagabɔ jiralan ye, nkaa tɛ sɔgɔsɔgɔninjɛ juguya ɲɛfɔ a yɛrɛ ma. Sour-service material qualification fanba bɛ boliH2S tansiyɔn yɔrɔ dɔ (ppH2S) .sabu kari farati bɛ mara nifanga min bɛ idɔrɔzi don a la, o min bɛ bonya ni degun yɔrɔ dɔ ye. Ɛntɛrinɛti siratigɛ la, ppH2S ka kan ka jateminɛ ɲɔgɔn fɛ nipH, kuloridi, funteni, ani ji fasa sɔrɔli, bawo o paramɛtiriw bɛ nɔba bila SSC/HIC sɛgɛsɛgɛli la.

Yɛlɛma waleyali min bɛ kɛ gazi-fasa sɛgɛsɛgɛli la, o ye:

ppH2S=(H2S mol fraction) × (tansiyɔn dafalen bɛɛ lajɛlen) .

• Gaziw labɛncogo kama, .mɔli hakɛ ≈ ppm / 1.000.000(ppmv basigilen).
• K'a nafa bɔ a ladegun dafalen(a tɛ jateminɛ kɛ).
• Unit sɛbɛnniw:1 bar=100 kPa; 1 psi ≈ 6,895 kPa.

Misali minnu kɛra baara la (ppm kelen, u juguya tɛ kelen ye):

• 1000 ppm=0.001 ye.. Fɛ100 bartansiyɔn bɛɛ lajɛlen : ppH2S=0.001 × 100 =0,1 bar.
• O cogo kelen de don1000 ppm yefɛ10 bartansiyɔn bɛɛ lajɛlen : ppH2S=0.001 × 10 =0,01 ye bar ye.
• Hali ni ppm ye kelen ye, bana filanan in ye kelen ye10× ka dɔgɔn ppH2S, o min ka teli ka na ni fɛnw/kɔrɔbɔli wajibiyalenw ye minnu tɛ kelen ye poroze ɲɛfɔli sɛbɛnw kɔnɔ.

Mun na o nafa ka bon pibiliki sanni na:

Ni ppH2S bɛ ka caya, a ka c’a la, porozɛw bɛ kɔlɔsili gɛlɛya fɛnw kan minnu bɛ SSC/HIC sɔrɔw bila senkan-ka cayagɛlɛya dantigɛli (kɛrɛnkɛrɛnnenya la welda/HAZ), nɛgɛ saniya/donni kɔlɔsili, ani sour qualification/test scope wajibiyalen (HIC/SSC ni a ɲɛfɔra). O de y’a to sannifeere yamaruya min b’a fɔ dɔrɔn ko "H2S=X ppm", tuma caman na, o tɛ se ka kɛ ka sour-service pipe material pake dɔ laban. Tiɲɛ na, H2S (ppmv walima mol%), .baarakɛcogo bɛɛ lajɛlen degun, goniyahakɛ,pH, kuloridiw, ani ni ji fasa hɔrɔnma dɔ bɛ yen. Ni ninnu ye, ppH2S bɛ se ka sigi sen kan ani ka fɛnw sira (ani sɛbɛnw/sɛgɛsɛgɛli wajibiyalenw) sigi sen kan tuma bɛɛ.A ka c’a la, Octal Pipe bɛ baarakɛyɔrɔ anwɛlɛki (ppH2S, pH, funteni, kuloriw, ani ji fasa) ɲini fɔlɔ, o kɔfɛ, a bɛ fɛnw sira ni sɛbɛnw hakɛ bɛn sariyakolo ma walasa porozɛ ka se ka fɛɛrɛko seginnkanni jɛya k’a sɔrɔ a ma kɔfɛ-stage segin.

Baarakɛminɛn nɔgɔlenw wajibiyalenwbɛ sigi sen kan walasa ka SSC/HIC dɛsɛw bali, o la yamaruya ka kan ka pibiliki ɲɛfɔ iko asour service pipe materiel pake-o tɛ OD/WT ni grade dɔrɔn ye. Tiɲɛ na, sannifeere sɛbɛn ka kan k’a fɔ ka jɛya ko:

• Standard sour min bɛ mara:NACE MR0175 / ISO 15156 (ani yɔrɔ min bɛ tali kɛ), ka fara baarakɛla/tɔn ka fɛn dɔw kan.
• Baarakɛminɛnw ka anwɛlɛki (sugandili basigilen):ppH2S (walima H2S hakɛ + tansiyɔn bɛɛ lajɛlen), pH, funteni, kuloriw, ani ni ji hɔrɔnma bɛ yen.
• Fɛnɲɛnɛmaw kɔlɔsili hakɛ:kemisɛri kɔlɔsili (saniya/fɛnw sen bɛ o la), nɛgɛ dilanni sira i n’a fɔ a ɲininen bɛ cogo min na spec fɛ, funteni furakɛli sira, ani gɛlɛya kɔlɔsili basigi.
• Sour testing (ni a ɲininen don spec fɛ):HIC / SSC ka setigiya, misali tacogo, ani sɔnni sariyaw.
• PSL / farankan wajibiyalenw:misali la, API 5L PSL2 ni sour-service supplémentaires wajibiyalenw ye yɔrɔ minnu na a bɛ se ka kɛ.
• Weld/HAZ control (ni soudure pipe bɛ se ka kɛ):weld seam NDT scope ani gɛlɛya/sɛgɛsɛgɛli wajibiyalen fɛn o fɛn bɛ poroze ITP fɛ.

Octal Pipe bɛ dɛmɛ don cogo min na sour-service sannifeere la:Octal Pipe bɛ daminɛ cogoya la ni...baarakɛyɔrɔ anwɛlɛkiani o kɔfɛ, a bɛ seginnkanni-pake labɛnnen dɔ jɔ a lamini na-k’a jira ni karɔbɔni nɛgɛsira pibiliki bɛ sɔn walima ni fɛnkurabɔli (gɛlɛya kɔlɔsili gɛlɛn, seko ni dɔnko sɛgɛsɛgɛli gɛlɛn, CRA/clad/lining) ka kan ka kɛ walasa ka sɔn. EPC ka cikanw kama, an bɛ se ka alot-based traceability karti(funteni/bobine → pipe taamasiyɛn → sɛgɛsɛgɛli sɛbɛnw), ani ka sɛbɛnw sigilen (MTC + sɛgɛsɛgɛli/sɛgɛsɛgɛli rapɔɔriw) bɛn porozɛ ITP ma walasa kiliyan ka fɛɛrɛbɔ seginni ni fɛnw bɔli kana mɛn ni jɛgɛnsira tununnenw ye.

Sour Service Region 3 (Nɔgɔ jugumanba) .

Baarakɛlaw ka jatebɔsɛbɛn dɔw bɛ nɔgɔ juguya tila ka kɛ maraw ye;Mara 3nanbɛ kɛ ka caya walasa ka mɔgɔ jirabaara nɔgɔlen jugumanbapH ni ppH2S jatebɔw kan. Mara 3nan na, a ka c’a la, sannikɛlaw bɛ fɛnw sira ni seko hakɛ gɛlɛya (gɛlɛya kɔlɔsili + sɛgɛsɛgɛli nɔgɔlen + sɛbɛnni gɛlɛnw) bawo SSC nafaw ka dɔgɔ

Sour-service pipe sugandili ka teli ka daminɛ ni abaarakɛcogo anwɛlɛki min bɛ se ka suman-ppH2S, pH, kuloridi, funteni, ani ji fasa-sanni ka kɛ poroze taamasiyɛn ye. Nin ko kɛlen minnu bɛ duguma, olu bɛ...foro cogoya lakikawminnu bɛ SSC/HIC faratiw ni sannifeere wajibiyalenw bila senkan.

• Gazi min ka bon-tansiyɔn na ni H2S "ppm damadɔ" ye (ppH2S-a juguya min bɛ ɲɛminɛ):

O H2S ppm kelen bɛ se ka juguya ni tansiyɔn bɛɛ lajɛlen ka bon, o bɛ ppH2S gɛlɛya ka don mara la, SSC dakunw bɛ dɔgɔya yɔrɔ min na. A ka c’a la, porozew bɛ gɛlɛyagɛlɛya kɔlɔsiliani ka setigiya dalilu nɔgɔlenw ɲini sanni ka i jigi da kalasi tɔgɔ dɔrɔn kan.

• Gazi ɲiginnen / fasa caman bɔli ni ji hɔrɔnma + kuloriw ye :

Ni ji fasa dɔ bɛ yen (jiko, ji min bɛ bɔ, walima cogoya minnu bɛ mɔgɔ dusu tiɲɛ), kuloriw ni pH dɔgɔyali bɛ dɔ fara idɔrɔzi doncogo ni sɔgɔli baara kan. A ka c’a la, sannifeere bɛ fɛn ɲɛfɔHIC kɔlɔsili/sɛgɛsɛgɛli (ni a mago bɛ a la) .ani fɛnw saniya wajibiyalenw jɛlenw.

• Lamini minnu ka dɔgɔn-pH ka bɔ CO2 + ji la (asidi karɔbɔni), ni H2S bɛ yen:

CO2 min bɛ wuli ji la, o bɛ asidi karɔbɔli kɛ ani ka sɔgɔli teliya; hali H2S fitininw bɛ se ka dɛsɛ cogoya wuli ka taa SSC/HIC fan fɛ. Sannikɛlaw ka teli ka dɔ fara o kansɔnni gɛlɛn kɛli sour resistance kanka fara corrosion allowance/coating/lining decisions kan minnu sirilen don jiko rapɔɔri la.

• Funteni sɛgɛsɛgɛli ni dabila/daminɛ waati tɛmɛnenw:

"Dɛsɛ" caman bɛ sɔrɔ baarakɛwaati tɛmɛnenw fɛ: funteni jiginni, degun jiginni, ani ji/jali waatiw. Tuma caman na, fɛn kɛrɛnkɛrɛnnenw bɛ gɛlɛyawelda/HAZ kɔlɔsili, bawo gɛlɛya bɛ se ka caya ani sigida degunw bɛ kɛ fɛn kɔrɔw ye kosɛbɛ wotoro bolicogo kɔrɔ.

• Kɔgɔjida la/kɔgɔjida la ni kɔgɔ fiyɛli ye + cycling jilama–jalen (ka fara kunnafonidilan nɔgɔlen kan):

Kɛnɛma lamini bɛ sɔgɔsɔgɔli degun (kɔgɔ, nɛnɛ, jibɔyɔrɔw) fara kɔnɔna nɔgɔlen farati kan. A ka c’a la, sannifeere bɛ sour qualification requirements fara ɲɔgɔn kan nicoating system + sɛgɛsɛgɛli sɔnni(lafiɲɛbɔ sariyaw, dilancogo).

• Asidi baarakɛcogo ji minnu bɛ ni nɔgɔw ye (H2S, NH3, CO2, kuloridi):

Layini minnu bɛ saniya/kimiki la, olu bɛ se ka nɔgɔ ɲagaminenw ye ani sigida sɔgɔli bolifɛnw, o min bɛ latigɛ wuli ka bɔ "layini pipe standard" la ka taa "service-envelope qualified material" la. A ka c’a la, wajibiw bɛ kɛ sɛbɛn-gɛlɛnw ye:seko ni dɔnko hakɛ jɛlen, gɛlɛya basigilen, ani traceability mapping.

Octal Pipe kɔlɔsili:Sour-baara ɲininkaliw la, a ka c’a la, Octal Pipe bɛ daminɛ ni baarakɛminɛnw ka anwɛlɛki (ppH2S/pH/temperature/chlorides/water phase) dantigɛli ye, o kɔfɛ, a bɛ fɛnw sira, sɛgɛsɛgɛli hakɛ (ni a ɲɛfɔra), ani sɛbɛnw foroko bɛ bɛn sariyakolo ma walasa sugandili ka lajɛ-labɛn-a tɛ jateminɛ kɛ.

A ka c’a la, sour-baara sanni bɛ tiɲɛ yɔrɔ fila kelenw na:fɛɛrɛko seginnkanni(scope ma jɛya) anisite web bɔli(dalilu tɛ karti ka taa pipe la). Octal Pipe bɛ sour service minɛ i n’a fɔ a kɔlɔsilen, seginnkanni{1}}pake labɛnnen min jɔra ka bɔ...baarakɛyɔrɔ anwɛlɛki-ppH2S, pH, funteni, kuloridi, ani ji fasa-o la, fɛnw sira, sɛgɛsɛgɛli hakɛ, ani sɛbɛnw bɛ bɛn ɲɔgɔn ma sani a dilanni ka daminɛ.

Diɲɛ misali lakikaw-yɔrɔ minnu b’a jira ko nin fɛɛrɛ in bɛ waati ni baara seginni kisi yɔrɔ min na:

• Misali 1 - "ppm bɛ i ko a bɛ dantɛmɛ," degun b'a kɛ juguya ye:

Jiko rapɔɔri dɔ bɛ se k’a fɔH2S=1,000 ppm ye, min bɛ se ka kɛ i n’a fɔ a bɛ se ka ɲɛnabɔ a ɲɛ fɔlɔ la. Nka ni layini bɛ baara kɛ ni degunba ye, o...H2S tansiyɔn yɔrɔ dɔ (ppH2S) .bɛ se ka baara in bila fanga nɔgɔlen na min ka gɛlɛn kosɛbɛ. O ko suguw la, a ka c’a la, tigiw bɛ wajibiw gɛlɛyagɛlɛya kɔlɔsiliani setigiya basigilen min bɛ MR0175/ISO 15156 (walima baarakɛla ka spec) kɔnɔ. Octal Pipe bɛ nin darapo kɛ joona ani ka chimie rapɔɔri sɛmɛntiya ka kɛ sannifeere yɔrɔ ye min bɛ se ka tɛmɛ seginnkanni-sanni k’a to baro ka bɔ kɔfɛ i n’a fɔ “wajibiya nɔgɔlen minnu ma labɛn.”

• Misali 2 - gazi ɲiginnen / ji bɔlen + kuloridi bɛ dɛsɛ cogoya Changer:

Ni ji hɔrɔnma bɛ yen ani ni kuloriw ka ca, farati bɛ bɔ "sɔgɔli caman" la ka taaSSC/HIC ka sɛgɛsɛgɛli kɛcogo, ani poroze bɛ se ka wajibiyaHIC/SSC sɛgɛsɛgɛli(walima sɔnni sariya kɛrɛnkɛrɛnnenw) sanni ka sariya labatoli fɔcogo bɛɛ lajɛlen fɔ. Octal Pipe bɛ fɛnw ni sɛgɛsɛgɛli bolodacogo bɛn ITP ma ka kɔn o ɲɛ walasa lotɛli ka se ka bɔ dalilu sɛbɛnnenw kan sanni ka kɛ ko-ko{1}}ko kɔrɔfɔli ye.

Octal Pipe bɛ min lase sour-baara porozɛw ma (a bɛ se ka mɛn, a tɛ kɛ fɛn bɛɛ ye):

• Baara{0}}anwɛlɛki-min bɛ ɲɛminɛ fɛnw sugandili la:Carbon steel sour line pipe ni a bɛ sɔn, ni kɔlɔsili wajibiyalenw ye; ani ni anwɛlɛki y’a ɲini, Octal Pipe bɛ se ka fɛnw sɛmɛntiya i n’a fɔgɛlɛya kɔlɔsili gɛlɛn, setigiya hakɛ gɛlɛn, walima CRA/clad/lining sugandiliwka tigi/EPC seginnkanni jɛya.
• Setigiya ni sɛgɛsɛgɛli dalilu minnu bɛ bɛn PO/ITP ma:HIC/SSC sɛgɛsɛgɛli ni a ɲɛfɔra, UT/NDT ka kɛɲɛ ni poroze hakɛ ye, ani welding/HAZ kɛcogo kɔrɔsilenw yɔrɔ minnu na a bɛ se ka kɛ-o la sour-service acceptance bɛ dɛmɛ sɔrɔ sɛbɛnw fɛ.
• Traceability min bɛ kisi site reality ma:Lot-based mapping min bɛ ɲɔgɔn cɛfunteni/bobine → pipe taamasiyɛn → sɛgɛsɛgɛli sɛbɛnw → MTC, ka dɔ bɔ sour-service delay min ka ca kosɛbɛ: "pipe delivered but not released" ka da jɛgɛnsira tununen kan sɛbɛnw kɔnɔ.

Aw ye ɲɔgɔn sɔrɔ sisan

Ɲininkaliw

 

 

J: Sour service kɔrɔ ye mun ye petoroli & gazi pibilikiw kɔnɔ?

A:Baarakɛyɔrɔ nɔgɔlen kɔrɔ ye ko baarakɛyɔrɔ (ppH2S, pH, funteni, kuloridi, ani ji fasa) bɛ se ka tiɲɛniw bila idɔrɔzi- la i n’a fɔSSC/HIC ye, o la sa, fɛnw ni sɔnni ka kan ka tugu o kɔMR0175 / ISO 15156. Bamako, Maliwajibiyalenw.

J: Sour service H2S ppm - yala ppm bɛ se ka kiri tigɛ a juguya kan wa?

A:Ayi, a ka c’a la, a juguya bɛ jateminɛ niH2S tansiyɔn yɔrɔ dɔ (ppH2S) ., a tɛ ppm dɔrɔn ye; ekran nafama dɔ yeppH2S=(H2S mɔli hakɛ) × (tansiyɔn bɛɛ lajɛlen) ..

J: Baarakɛminɛn nɔgɔlenw wajibiyalenw ye mun ye baarakɛminɛn nɔgɔlenw na baarakɛminɛnw na?

A:Sour-service PO ka kan ka mara sariya (MR0175/ISO 15156) fɔ, obaarakɛyɔrɔ anwɛlɛki(ppH2S/pH/T/chlorides/ji), ani a kunbɛncogo wajibiyalenw i n’a fɔgɛlɛya dantigɛliwaniHIC/SSC sɛgɛsɛgɛlini a ɲɛfɔra.

J: Sour service welding wajibiyalenw ye mun ye?

A:Sour service welding wajibiyalenw sinsinnen bɛ kɔrɔsili kanweld/HAZ gɛlɛya(a ka c’a la WPS/PQR kɔlɔsili fɛɛrɛw fɛ i n’a fɔ funteni doncogo ani hidrɔzɛni dɔgɔyali waleya) ani ka gɛlɛya sɛgɛsɛgɛli kɛ ni porozɛ ITP/spec y’a ɲini walasa ka SSC farati dɔgɔya.

Sɛbɛnw (certifications) minnu bɛ sɔrɔ

 

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