Sour Service ; Aplikasiyɔn kɛrɛnkɛrɛnninw

Sour service kɔrɔpipeline sanni na, o tɛ "H2S be yen" dɔrɔn ye. O kɔrɔ ko .H2S ka fanga, funteni, pH, ani kuloridiwbe se ka idɔrɔzɛni don nɛgɛ kɔnɔ ani k’a lawuli .SSC/HIC, o la, minanw sira ani sɔnni sariyaw ka kan ka tugu sour-baara sariyaw kɔ sanni ka tugu line pipe general practice kɔ.

Misaliya la:Jii rapɔɔri min b’a yira ko .000 ppm H2Sbe se ka kɛ i n’a fɔ “hakɛman,” nka a be .bari 100degun bɛɛ min be bayɛlɛma ka kɛ .~0.1 bari ppH2S, min ka jugu fɔɔ baarakɛla caaman be sariyaw gwɛlɛya ka ɲɛsin gɛlɛya kɔlɔsili ma ani nɔgɔya ma. O tɛ, o 1 000 ppm kelen lo be sɔrɔ .10 bariye dɔrɔn~0.01 bari ppH2S, tuma caaman na, o be na ni desizɔn wɛrɛ ye sanni koo la.
O lo kama, sour-baara sugandili be kɛ ni .ji simi rapɔɔriani sariya min be mara kɛ (a ka ca a la .NACE MR0175 / ISO 15156)-ani mun na Octal Pipe ka teli ka baarakɛminɛnw ɲininga (ppH2S / pH / funteni) sanni a ka baarakɛminɛnw pake muguman-sɛbɛn.

Tulu ni gazi, petoroli, kɔgɔjida la, ani -presure/high-temperature (HPHT) baarakɛyɔrɔw la, baarakɛyɔrɔ minw be kɛ ni mugumugu ye, olu be sariya gwɛlɛw ɲini nɛgɛ sifa, kemikalifɛnw, funteni furakɛli, soudure ɲuman, fani, ani dimensiyɔnw muɲuli koo la. Ni mɔgɔw tɛ u kɔlɔsi ka ɲɛ, yɔrɔ minw be nɔgɔ bɔ, u be se ka nɔɔ jugu to tiyow ka tilenninya, u ka lafiya ani u ka baarakɛcogo kan.

Octal Pipe be baara kɛ ni sour service ye ani baarakɛcogo kɛrɛnkɛrɛnninw ye minw be bɛn ni diɲɛ ka sariyaw n’u ka sɛbɛw ye.

Baara kumunin H2S ppmye hakilijagabɔ tagamasiɲɛ ye, nka .a yɛrɛ tɛ kumunin juguya yira. Sour-baarakɛminanw ka setigiya fanba be bɔ .H2S ka degun tilancɛ (ppH2S)sabu farati min be farati la, o be mara .fanga min be idɔrɔzɛni don, min be caya ni degun fanba ye. Ɛnsɛniyeri ka kumaw na, ppH2S ka kan ka sɛgɛsɛgɛ ɲɔgɔn fɛ ni .pH, kuloridiw, funteni, ani jii hakɛ sɔrɔli, bari o paramɛtiriw be nɔɔba to SSC/HIC ka sɛgɛsɛgɛri kan.

Gazi-fazi sɛgɛsɛgɛli yɛlɛmani waleyali ye:

ppH2S=(H2S mɔli tilanyɔrɔ) × (degun dafanin bɛɛ)

• Gazi labɛncogo kama,mɔli tilanyɔrɔ ≈ ppm / 1 000 000(ppmv basiginin lo).
• Ɲɛcidegun dafanin(gazi tɛ).
• Tilanyɔrɔ sɛbɛninw:bari 1=100 kPa; 1 psi ≈ 6,895 kPa.

Misaliya minw baarala (ppm kelen, u ka juguya tɛ kelen ye):

• 1000 yɔrɔ=0.001. Labari 100degun bɛɛ: ppH2S=0.001 × 100 =0.1 bari.
• O kelen lo .1000 ppmla10 baridegun bɛɛ: ppH2S=0.001 × 10 =0,01 bari.
• Hali ni ppm be ɲɔgɔn na, koo filanan be ni .10× ppH2S duguma, min ka teli ka na ni minanw/sɛgɛsɛgɛri laɲiniw ye minw tɛ kelen ye poroze ka ɲɛfɔliw la.

Mun na o kɔrɔtanin lo tiyo sanni koo la:

Ni ppH2S be cayara, porozew ka teli ka fɛnw kɔlɔsi minw be SSC/HIC jaabiw lawuli- tuma caaman na .gɛlɛya dancɛw (kɛrɛnkɛrɛnniya la, sɔgɔli/HAZ), nɛgɛ saniyako/donni kɔlɔsili, ani sɔgɔli hakɛ/sɛgɛsɛgɛli hakɛ min ka ɲi ka kɛ (HIC/SSC n’a fɔra). O lo kama, sanni sɛbɛ min sɛbɛra dɔrɔn ko "H2S=X ppm" tuma caaman na, o tɛ se ka baarakɛminɛnw labɛn ka ban. O la, H2S (ppmv wala mol%), .baarakɛcogo degun bɛɛ, gwanniyahakɛ,pH, kuloridiw, ani ni jii faan dɔ be yen min be sɔrɔ gwansan. O la, ppH2S be se ka sigi ani ka minanw sira (ani sɛbɛw/sɛgɛsɛgɛri minw ka ɲi) sigi sen kan tuma bɛɛ. kɔfɛ-baara kura.

Sour baarakɛminɛnw wajibiyalenwu labɛnna walisa ka SSC/HIC ka dɛsɛw bali, o la, yamaruya ka kan ka tiyo ɲɛfɔ i n’a fɔ .baarakɛminan tiyo minan pake-OD/WT ni grade dɔrɔn tɛ. O la, sanni sɛbɛ ka ɲi k’a fɔ ka gwɛ ko:

• Ka sariyakolow mara:NACE MR0175 / ISO 15156 (ani yɔrɔ min be baara kɛ), ka fara baarakɛla/sosiyɛti ka koow kan.
• Baara anvelɔpi (sugandili basiginin lo):ppH2S (walima H2S kɔnɔfɛnw + fanga bɛɛ), pH, funteni, kuloridiw, ani ni jii gwansan be yen.
• Minɛnw kɔlɔsili yɔrɔ:simi kɔlɔsili (incl. saniya/inclusions), nɛgɛ dilan sira i n’a fɔ spec b’a ɲini cogo min na, funteni furakɛli sira, ani gɛlɛya kɔlɔsili basigi.
• Kɔrɔbɔli kumunin (n’a ɲinina ka kɛɲɛ ni sariyaw ye):HIC / SSC ka lɔnniya, mɔgɔw ka sɛgɛsɛgɛri kɛcogo, ani u ka sɔnni sariyaw.
• PSL / fɛn wɛrɛw:i n’a fɔ, API 5L PSL2 ni sour-baara farankanw ye yɔrɔ minw na a be se ka kɛ.
• Soudure/HAZ kɔlɔsili (ni soudure tiyo daganin lo):soudure seam NDT scope ani gɛlɛya/setigiya sariyaw bɛɛ minw kofɔra poroze ITP fɛ.

Octal Pipe be sour-baara sanni dɛmɛ cogo min na:Octal Pipe ka teli ka daminɛ ni .baara anvɔlɔpiani o kɔ, a be sɛgɛsɛgɛri-pake labɛnnin dɔ lɔ a lamini na-k’a sɛmɛntiya ni karbɔni nɛgɛ lɔgɔw ka tiyo be sɔn wala ni yɛlɛmaniw (gɛlɛya kɔlɔsili gɛlɛn, setigiya sɛgɛsɛgɛri gɛlɛn, CRA/clad/lining) ka ɲi ka kɛ walisa ka sɔn o ma. EPC ka sɛbɛw kama, an be se ka .lot- min basiginin be kariti kan(kalaya/bobine → tuyo tagamasiɲɛ → kɔrɔbɔli sɛbɛw), ani ka sɛbɛnw lajɛnnin (MTC + sɛgɛsɛgɛli/sɛgɛsɛgɛli rapɔɔriw) bɛn ni poroze ITP ye walisa kiliyan ka fɛɛrɛw lajɛcogo ani minanw bɔli kana sumaya ni yɔrɔw ye minw tununa.

Sour Service mara 3nan (Sour jugu)

Operatɛri ka jatebɔsɛbɛn dɔw be kirin juguya tilan maraw la;Mara 3nana ka ca a la, a be fɔ ka .baara jugupH ni ppH2S jaaw kan. Ɲɛyirali fɛ, sannikɛlaw ka teli ka minanw sira n’u ka setigiya sɛgɛsɛgɛ (gɛlɛya kɔlɔsili + sɛgɛsɛgɛri nɔgɔman + sɛbɛw gɛlɛn) sabu SSC ka sɔngɔw ka dɔgɔ .

Sour-baara tiyo sugandili ka teli ka daminɛ ni a ye .anvɔlɔpu min be se ka suma-ppH2S, pH, kuloridiw, funteni, ani jii faan-sanni ka kɛ poroze tagamasiɲɛ ye. O koo nunu be .foro cogoya yɛrɛ yɛrɛminw be SSC/HIC ka faratiw ni sanniw laɲiniw lawuli.

• Gazi min ka fanga ka bon ni "ppm hakɛlaman" H2S (ppH2S-juguya min be bɔ):

O H2S ppm kelen be se ka juguya ni degun bɛɛ ka ca, o min be ppH2S ɲɔndi ka don yɔrɔ dɔ la SSC gɛrɛfɛlaw be dɔgɔya yɔrɔ min na. Porozɛw ka teli ka gwɛlɛyagɛlɛya kɔlɔsiliani ka dalilu gwɛlɛw ɲini sanni k’i jigi la kalanso tɔgɔ dɔrɔn kan.

• Gazi jiman / fazi caman jigi ni ji gwansan + kuloridiw:

Ni jii faan dɔ be yen (kondensasiyɔn, jii bɔnin, walima cogoya minw be mɔgɔ dusu tiɲɛ), kuloridiw ni pH dɔgɔyali be dɔ fara idɔrɔzɛni donni kan ani nɔgɔ baara kan. Sanni be to ka ɲɛfɔ .HIC kɔlɔsili/sɛgɛsɛgɛri (n’a ka ɲi)ani minanw saniyako sariyaw minw gwɛnin lo.

• Lamini minw pH ka dɔgɔ - ka bɔ CO2 + jii la (asidi karbɔniki), ni H2S be yen:

CO2 min be yɛlɛma jii kɔnɔ, o be asidi karibɔni dilan ani a be nɔgɔ teliya; hali H2S fitininw be se ka dɛsɛ cogoya yɛlɛma ka taga SSC/HIC fan fɛ. Sannikɛlaw be to ka dɔ fara a kan .sɔnni gɛlɛn kunuman kɛlɛli kanka fara koroziyɔn sara/coating/lining desizɔnw kan minw sirinin be jii ka rapɔɔri la.

• Funteni yɛlɛmani ani datugu/daminɛ wagati dɔɔni:

"Dɛsɛ" caman be sɔrɔ baarakɛcogo wagati dɔɔniw fɛ: funteni yɛlɛmaniw, fanga yɛlɛmaniw, ani jigi/ja wagatiw. Tuma caaman na, u ka koow be gwɛlɛya .soudure/HAZ kɔlɔsili, bari gɛlɛya yɔrɔw ani yɔrɔw ka degunw be kɛ ko kɔrɔtalenw ye nɛgɛso boli wagati la.

• Kɔgɔjida la/kɔgɔjida la ni kɔgɔji ye + nɛgɛso jiman–jalen (ka fara fɛn kumuninw kan):

Kɛnɛma lamini be nɔgɔ gɛlɛya fara a kan (kɔgɔ, jimanya, yɔrɔ minw be ji bɔ) ka fara kɔnɔna kumunin farati kan. Sanni ka teli ka setigiya saratiw fara ɲɔgɔn kan ni .fani doncogo + sɛgɛsɛgɛli sɔnni(lafiya wagati sariyaw, dilan cogo).

• Asidi jii minw be ni nɔgɔw ye (H2S, NH3, CO2, kuloridiw):

Sanuya/simiki siraw be se ka nɔgɔ ɲagamininw ye ani yɔrɔ dɔw ka nɔgɔ sababuw, min be latigɛli yɛlɛma ka bɔ "sira dantigɛlen ka tiyo" la ka taga "service-anvelopu minan ɲumanw." Wajibiyako be kɛ sɛbɛn-gɛlɛman ye:lɔnniya hakɛ gwɛnin, gɛlɛya basiginin, ani kariti min be se ka tugu mɔgɔw kɔ.

Octal Pipe sɛbɛri:Ɲinini minw be kɛ baara la, Octal Pipe be daminɛ ka baara anvelɔpu (ppH2S/pH/température/chlorides/water phase) sɛgɛsɛgɛ ani o kɔ, a be minanw sira, kɔrɔbɔli hakɛ (n’a fɔra), ani sɛbɛw ka pake be bɛn ni sariya ye min be baara kɛ {a}t miirili baara.

Sour-baara sanni ka teli ka tiɲɛ yɔrɔ fila kelen na:fɛɛrɛ lajɛ(a bonya ma gwɛ) ani .Site bɔli(seere minw be yen, u tɛ karitiw yira). Octal Pipe be baara kumunin minɛ i n’a fɔ fɛɛn dɔ min be kɔlɔsi, sɛgɛsɛgɛri-labɛnnin lo min dilanna ka bɔbaara anvɔlɔpi-ppH2S, pH, funteni, kuloridiw, ani jii faan-o la, minanw sira, kɔrɔbɔli hakɛ ani sɛbɛw be bɛn ɲɔgɔn ma sanni baara ka daminɛ.

Lakika -diɲɛ misaliya minw b'a yira yɔrɔ min na nin fɛɛrɛ be wagati bɔ ani ka baara kɛ tugun:

• Misaliya 1 - "ppm be i n'a fɔ hakɛlaman," degun b'a juguya:

Jii rapɔɔri be se k’a fɔ ko .H2S=1,000 ppm, min be se ka kɛ komi a be se ka ɲɛnabɔ n’i y’a filɛ fɔlɔ. Nka ni lɔgɔ be baara kɛra ni fanga ye, o .H2S ka degun tilancɛ (ppH2S)be se ka baara yɛlɛma ka kɛ mara jugu ye min ka gwɛlɛ kosɔbɛ. O koo nunu na, boontigiw ka teli ka sariyaw gwɛlɛya .gɛlɛya kɔlɔsiliani lɔnniya min be sɔrɔ MR0175/ISO 15156 kɔnɔ (walima baarakɛla ka lɔnniya). Octal Pipe b'o yira joona ani a be kemikali rapɔɔri yɛlɛma ka kɛ sannikɛyɔrɔ ye min be se ka tɛmɛ sɛgɛsɛgɛli fɛ-sanni a ka baro bila kɔfɛ i n'a fɔ "minw ma lawuli."

• Misaliya 2 - gazi jiman / jii bɔnin + kuloridiw be dɛsɛli cogoya yɛlɛma:

Ni jii gwansan be yen ani ni kuloridiw ka ca, farati be bɔ “koroziyɔn gɛrɛntɛ” la ka taga .SSC/HIC lɔnniya, ani poroze be se ka .HIC/SSC sɛgɛsɛgɛli(walima sɔnni sariya kɛrɛnkɛrɛnninw) sanni ka sariyaw labatoli kumaw fɔ. Octal Pipe be minanw ni kɔrɔbɔli labɛn bɛn ni ITP ye ka kɔn o ɲɛ walisa lot ka se ka bɔ dalilu sɛbɛninw kan sanni ka case-by-case ɲɛfɔ.

Octal Pipe be min di sour-baara porozew kama (sɛgɛsɛgɛri be se ka kɛ, a ma kɛ fɛn ye min be se ka kɛ):

• Baara-anvɔlɔpi-minɛnw sugandi:Karibɔni nɛgɛ tuyo mugu n'a daganin lo, ni kɔlɔsili wajibiyalenw ye; ani ni anvelɔpi b’o ɲini, Octal Pipe be se ka yɛlɛmaniw labɛn i n’a fɔ .gɛlɛya kɔlɔsili, setigiya gɛlɛya, walima CRA/clad/lining sugandiliwka tigi/EPC ka sɛgɛsɛgɛri gwɛ.
• Kalanw ani sɛgɛsɛgɛri dalilu minw be bɛn ni PO/ITP ye:HIC/SSC sɛgɛsɛgɛli n’a kofɔra, UT/NDT ka kɛɲɛ ni poroze ka bonya ye, ani soudure/HAZ kɛcogow kɔlɔsinin yɔrɔ minw na a ka ɲi-o la sour-baara sɔnni be dɛmɛ ni sɛbɛw ye.
• Traceability min be kisi site web ka tiɲɛn ma:Lot-basiginin kariti min be ɲɔgɔn minɛfunteni/bobine → tiyo tagamasiɲɛ → kɔrɔbɔli sɛbɛw → MTC, ka sour-baara wagati min ka ca, o dɔgɔya: "pipe dira nka a ma bɔ" ka sabu kɛ yɔrɔw ye minw tununa sɛbɛnw kɔnɔ.

Aw ka ɲɔgɔn sɔrɔ sisan

Ɲiningali

 

 

Q: Sour service kɔrɔ ye mun ye petoroli ni gazi boliyɔrɔw la?

A:Sour service kɔrɔ ko baarakɛyɔrɔ (ppH2S, pH, funteni, kloridiw, ani jii fazi) be se ka tiɲɛni kɛ idɔrɔzɛni- fɛ i n’a fɔ .SSC/HIC, o la, bololafɛnw ani sɔnni ka kan ka tugu .MR0175 / ISO 15156minw ka ɲi ka kɛ.

Ɲiningali: Sɛrɛkili muguman H2S ppm - ppm be se ka kiti tigɛ a ka juguya kan wa?

A:Ɔn ɔn, a ka ca a la, a ka juguya be jateminɛ ni .H2S ka degun tilancɛ (ppH2S), ppm dɔrɔn tɛ; ekran nafaman ye .ppH2S=(H2S mɔli tilanyɔrɔ) × (degun bɛɛ).

Ɲiningali: Mun lo ye baarakɛminanw ye minw ka ɲi ka kɛ baarakɛminanw ye?

A:PO min be baara kɛ, o ka kan ka sariya min be mara (MR0175/ISO 15156) fɔ, o ye .baara anvɔlɔpi(ppH2S/pH/T/kɔlɔriw/jii), ani sɛgɛsɛgɛri minw ka ɲi ka kɛ i n’a fɔ .janya dancɛwniHIC/SSC sɛgɛsɛgɛlin’a fɔra ka gwɛ.

I: Sour service soudure ka laɲinitaw ye mun lo ye?

A:Sour service soudure wajibiyalenw be sinsin kɔlɔsili kansoudure/HAZ gɛlɛya(tuma caaman na, WPS/PQR ka kɔlɔsili fɛ i n’a fɔ funteni donni ani low-hydrogen baarakɛcogo) ani ka gɛlɛya sɛgɛsɛgɛli kɛ n’a ɲinina poroze ITP/spec fɛ ka SSC farati dɔgɔya.

Sɛrɛkiliw

 

CE sɛbɛ

ISO 9001 ka sɛbɛ

API Q1 sɛbɛ

ABS sɛbɛ

AP-5L sɛbɛ

API-5CT ka sɛbɛ

 

Tagasogow: baara kumunin ; baarakɛminɛn kɛrɛnkɛrɛnninw, Sinuwa baara kumunin ; baarakɛminɛn kɛrɛnkɛrɛnninw dilanbagaw, feerekɛlaw, izini