P110 PSL 2 R3 SMLS Casing (Suitable rau Sour Service Applications)

API 5CT P110 PSL 2 R3 seamless casing nrog hwm kev sib txuas yog siab -lub zog roj lub teb chaws tubular khoom (OCTG) cov khoom tsim los rau kev sib sib zog nqus, siab - siab, thiab complex zoo tej yam kev mob. Nws yog tsim nyob rau hauv raws li API Specification 5CT (10th Edition, 2022) thiab xov soj ntsuam yuav tsum tau ntawm API Spec 5B, thiab yog dav siv nyob rau hauv roj thiab roj drilling thiab zoo tsim tej yaam num uas yuav tsum tau muaj kev ntseeg siab thiab txhim khu kev qha sealing kev ua tau zoo.

Cov khoom no sib xyaw ua ke ntawm quenched thiab tempered siab -lub zog steel qib (P110), seamless manufacturing txheej txheem (SMLS), qib specification siab dua (PSL 2), optimized length range (R3), thiab hwm threaded kev twb kev txuas system rau xav tau downhole ib puag ncig.
 

1. Tag Nrho Cov Lus Txhais: P110 SS PSL 2 R3 SMLS Casing Premium Txuas

1.1 P110 Steel Qib

P110 yog qib siab - lub zog casing qib txhais los ntawm API 5CT nrog cov cuab yeej cuab tam hauv qab no:

• Kev tawm dag zog: 758-965 MPa (110,000-140,000 psi)
• Lub zog tensile yam tsawg kawg nkaus: Ntau dua lossis sib npaug rau 862 MPa
• Kev kho cua sov: quenched thiab tempered (Q & T)

P110 yog tsim los rau siab -load daim ntawv thov nyob rau hauv tob thiab siab - qhov dej siab. Nws muab ntau zog muaj peev xwm piv rauL80thiab N80 qib, tab sis tsis yog tsim tshwj xeeb rau kev pabcuam qaub tshwj tsis yog cov khoom siv ntxiv tau teev tseg los ntawm cov qauv kev ua haujlwm (xws li, NACE MR0175 / ISO 15156 ua raws li qhov tsim nyog).
 

1.2 Sour Service (SS)

Siv cov khoom siv tshwj xeeb los qhia txog qhov tsim nyog rau hydrogen sulfide (H₂S) ib puag ncig, qhov chaw tiv thaiv sulfide kev ntxhov siab tawg (SSC) thiab lwm hom hydrogen -kev puas tsuaj yuav tsum tau ua raws li NACE MR0175 / ISO 15156 tus qauv.
 

1.3 PSL 2 (Product Specification Level 2)

PSL 2 txhais cov qib siab dua PSL 1 raws li API 5CT.

PSL 2 cov kev cai feem ntau suav nrog:

• Yuav tsum muaj kev cuam tshuam toughness kuaj (qhov twg siv tau los ntawm kev qhia tshwj xeeb)
• Txhim kho tsis yog -kev kuaj kev puas tsuaj (NDT)
• nruj me ntsis tolerances
• Tag nrho cov ntaub ntawv traceability yuav tsum
• Cov ntaub ntawv nruj dua thiab kev tswj xyuas ntawv pov thawj

PSL 2 feem ntau tau teev tseg rau cov qhov dej tseem ceeb, qhov dej tob, thiab siab - cov ntawv thov siab nyob ntawm tus neeg teb xov tooj thiab qhov yuav tsum tau ua.

1.4 R3 Ntev Ntau

API 5CT txhais qhov ntev ntawm qhov ntev li R1, R2, thiab R3.

R3 ntau:

• 10.36 m txog 14.63 m (34 ft rau 48 ft)

Engineering tseem ceeb:

• Txo tag nrho cov xov tooj sib txuas hauv cov hlua casing
• Tej zaum yuav txo tau cov ntsiab lus xau nyob ntawm kev teeb tsa thiab ua kom- zoo dua
• Feem ntau siv hauv qhov tob thiab txuas ntxiv - mus txog qhov dej

1.5 SMLS (Seamless Steel Yeeb Nkab)

SMLS yog hais txog seamless steel yeeb nkab tsim tsis muaj longitudinal weld seams.

Piv nrog welded (ERW) casing, seamless casing muab:

• Ntau yam khoom siv kho tshuab
• Txhim khu kev tiv thaiv rau sab hauv thiab sab nraud
• Kev ua tau zoo dua hauv qib siab - muaj zog xws li P110

Seamless manufacturing feem ntau yog siv rau siab - zog OCTG daim ntawv thov.

1.6 Kev sib txuas hwm zoo

Kev sib txuas hwm yog hais txog tus tswv siab - kev ua tau zoo threaded kev sib txuas tsim los txhim kho kev sib khi thiab muaj peev xwm torque.

Tsis zoo li tus qauv API BTC / LTC / STC threads, hwm kev sib txuas feem ntau muab:

• Kev txhim kho roj- nruj sealing kev ua tau zoo
• Siab dua torque kuj
• Ua kom qaug zog zoo dua nyob rau hauv cyclic loading tej yam kev mob

Kev xaiv thiab kev ua tau zoo yog nyob ntawm cov chaw tsim khoom tsim nyog thiab ua - cov txheej txheem tsim los ntawm kev sib txuas tsim tshwj xeeb.

2. Core Technical Parameters & Compliance Standards

• Txuj: API 5CT 10th Edition (2022)
• Xov txheem: API Spec 5B (16th Edition)
• Qib: P110
• Kev tsim khoom: Seamless (SMLS)
• Qib Specification: PSL 2
• Ntev: R3 (10.36–14.63 m)
• Kev sib txuas: hwm kev sib txuas
• Tawm zog: 758-965 MPa
• Lub zog tensile: Ntau dua lossis sib npaug rau 862 MPa
• Hardness: tswj tau raws li API 5CT cov cai (qhov project nyob ntawm)
• Tshuaj muaj pes tsawg leeg: tswj ib API 5CT txwv rau P110 qib

3. Main Function & Application Scenarios

3.1 Core Functions

Raws li ib qho kev ruaj ntseg downhole casing hlua, P110 SS PSL 2 R3 SMLS Casing nrog hwm kev sib txuas ua haujlwm plaub lub luag haujlwm:

1. Stabilize lub wellbore thiab tiv thaiv kev tsim vau;
2. cais thaj chaw sib txawv ntawm geological thiab tsis txhob hla cov roj, roj thiab dej;
3. Tiv thaiv qhov sib txawv ntawm sab hauv thiab sab nraud kom ntseeg tau tias muaj kev nyab xeeb zoo;
4. Hloov mus rau corrosive media xws li hydrogen sulfide (H₂S) thiab carbon dioxide (CO₂).

3.2 Cov Ntawv Thov Ib Yam

• Qhov kev qhia tshwj xeeb no feem ntau siv hauv:

• Qhov dej tob thiab ultra- qhov dej tob
• High -siab (HP) roj thiab roj qhov dej
• Txuas ntxiv - ncav cuag thiab taw qhia qhov dej
• Gas qhov yuav tsum muaj siab -kev ruaj ntseg sealing tshuab
• Cov qhov dej tseem ceeb uas xav tau PSL 2 kev ruaj ntseg zoo

• Lus Cim: Rau kev pabcuam qaub (H₂S ib puag ncig), kev xaiv cov khoom siv yuav tsum ua raws li NACE MR0175 / ISO 15156 cov cai, thiab lwm qib yuav tsum tau nyob ntawm qhov hnyav.

4. Kev soj ntsuam zoo & Cov ntaub ntawv xav tau

Txhua batch ntawm API 5CT PSL 2 casing feem ntau yuav raug soj ntsuam raws li hauv qab no:

• Tshuaj ntsuam xyuas muaj pes tsawg leeg
• Mechanical Properties Test (tensile, yield)
• Kev sim hardness
• Hydrostatic kuaj (raws li muaj)
• Tsis yog -kev kuaj kev puas tsuaj (UT, MPI raws li tau teev tseg)
• Dimensional soj ntsuam (OD, WT, ntev)
• Xov xov gauging thiab tshuaj xyuas (API Spec 5B rau kev sib txuas hwm qhov twg siv tau)
• Kev sim drift

Cov ntaub ntawv xav tau:

• Mill Test Certificate (MTC)
• Thaum tshav kub kub naj npawb traceability cov ntaub ntawv
• NDT reports
• Dimensional soj ntsuam daim ntawv qhia
• Xov xwm tshuaj xyuas

API 5CT P110 Casing test thiab tshuaj xyuas

API 5CT P110 Casing yeeb nkab daim ntawv pov thawj

5. FAQ

Q 1: Qhov txawv ntawm PSL 1 thiab PSL 2 yog dab tsi rau API 5CT casing?

PSL 2 muaj kev tswj xyuas zoo dua li PSL 1. Nws yuav tsum tau ua kom tiav ntau dua uas tsis yog -kev kuaj kev puas tsuaj, kev tswj kom nruj me ntsis, kev siv tshuab ntau zaus thiab cov khoom siv tag nrho lub neej traceability. PSL 2 yog siv rau siab -siab, qhov tob tob thiab cov haujlwm tseem ceeb, thaum PSL 1 yog rau cov qhov dej ntiav thiab nruab nrab.

Q 2: Vim li cas thiaj xaiv R3 ntev rau P110 casing hauv qhov dej tob?

R3 casing ntev dua R1 thiab R2. Siv R3 ntev txo tag nrho cov xov tooj sib txuas hauv cov hlua casing. Cov pob qij txha tsawg dua txhais tau tias muaj kev pheej hmoo qis dua thiab muaj kev ruaj ntseg zoo dua, uas yog qhov tseem ceeb rau kev ua haujlwm tob tob thiab ultra-.

Q 3: Vim li cas ho tsis seamless (SMLS) yeeb nkab rau P110 qib?

Seamless steel yeeb nkab tsis muaj vuam seam, nrog cov phab ntsa tuab tuab thiab zoo ib yam khoom siv. Nws qhia tau hais tias zoo dua vau tsis kam thiab siab tsis kam nyob rau hauv huab downhole loads. ERW welded yeeb nkab tsuas yog tsim rau cov pa qis - cov qhov dej siab, hos cov yeeb nkab seamless yog tus qauv xaiv rau siab - lub zog P110 casing.

Q 4: Dab tsi yog qhov zoo ntawm kev sib txuas hwm zoo tshaj tus qauv API xov?

Txheem BTC, LTC thiab STC threads ua tau raws li cov kev xav tau dav dav. Kev sib txuas hwm zoo muab cov pa roj zoo tshaj - nruj sealing, muaj peev xwm ntau dua torque thiab zoo dua rau kev hloov siab. Lawv feem ntau siv rau hauv cov ntawv siv roj av, HPHT qhov dej thiab cov qhov dej qaub nrog kev ua haujlwm hnyav.

Q 5: Kev kho cua sov dab tsi yuav tsum tau ua rau API 5CT P110 casing?

P110 casing yuav tsum tau txaispuv -ntev quenched thiab tempered (Q)Kev kho cua sov. Normalizing (N) thiab normalized & tempered (N&T) yog txwv tsis pub los ntawm API 5CT 10th Edition, vim cov txheej txheem no tsis tuaj yeem ua tau raws li qhov xav tau ntawm lub zog thiab tawv ntawm qib P110.

Q 6: Dab tsi yog qhov cim qhia ntawm API 5CT P110 casing?

Raws li API 5CT cov qauv, P110 casing yog cim nrog adawb bandntawm cov yeeb nkab kawg, uas yog qhov tshwj xeeb pom pom qhov txawv ntawm P110 los ntawm lwm qib steel xws li J55, K55, N80 thiab L80.

6. Cov lus xaus

API 5CT P110 SS PSL 2 R3 SMLS Casing nrog hwm kev sib txuas yog kev ua haujlwm siab - lub zog OCTG cov khoom sib xyaw ua ke siab zog, qib zoo nruj, kev ua kom ntev ntev, seamless manufacturing thiab siab - xov. Ua raws li API 5CT 10th Edition tshiab, nws muab kev ntseeg siab zoo rau kev sib sib zog nqus, siab -siab, corrosive roj thiab roj qhov dej. Nrog rau kev ua haujlwm ruaj khov, kev ua tau zoo tag nrho thiab muaj peev xwm sealing zoo, nws tau dhau los ua cov khoom lag luam nyiam rau cov neeg siv roj thiab roj thoob ntiaj teb.

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