Conductive Pipe yog dab tsi?

Cov yeeb nkab conductive yog dab tsi?

Conductor yeeb nkab (tseem hu ua conductive casing, structural casing los yog marine conductor nyob rau hauv offshore ncav cuag) yog thawj thiab loj tshaj plaws txoj kab uas hla ntawm lub casing strings ntsia rau stabilize lub seabed los yog ze-nto qhov chaw thaum offshore roj thiab roj drilling. Nws lub luag haujlwm dhau mus dhau qhov yooj yim nkag mus rau hauv seabed: nws tsim kom muaj kev ruaj ntseg hauv kev sib koom ua ke, cais thaj chaw dej hiav txwv, thiab muab txoj hauv kev thaum ntxov rau cov kua dej drilling. Qhov tseem ceeb tshaj plaws, tus neeg xyuas pib tubing tsim cov txheej txheem ntawm lub hauv paus ntawm lub qhov dej, txhawb kev ruaj ntseg ntawm cov kab hauv qab thiab cov khoom siv sab nrauv.

Nyob rau hauv offshore engineering, thawj kab kem no yog qhov sib cuam tshuam ntawm cov xwm txheej hauv hiav txwv thiab cov qauv hauv qhov dej. Los ntawm kev thauj mus los ntawm cov kab hauv qab thiab txhawb nqa lub platform hnyav, cov kav dej xaum ua kom muaj kev txhim kho zoo hauv ib puag ncig xws li cov txee sab av loj mus rau cov dej tob tob tshaj 1,960 meters. Niaj hnub nimno conductive piping systems yog tsim los nrog modular configurations, advanced connector technologies thiab nruj kev soj ntsuam raws tu qauv, tso cai rau lawv tiv taus ob qho tib si zoo li qub thiab dynamic offshore stresses thoob plaws hauv lawv lub neej tsim.

Nyob rau hauv cov txheej txheem txheej txheem, cov yeeb nkab yeeb nkab thiab cov yeeb nkab saum npoo tau raug kho raws li cov kab sib txawv nrog cov hom phiaj sib txawv thiab cov ntsiab lus txais; “Cov yeeb yam casing pipe†thiab “marine conductor†yog feem ntau siv cov ntsiab lus uas ua kom cov scopes unambiguous thaum muas thiab installation npaj.

Cov haujlwm tseem ceeb ntawm cov yeeb nkab conductive

Cov yeeb nkab conductor ua tiav ntau yam qauv thiab kev ua haujlwm tseem ceeb rau kev tsim kho ntawm ntug dej hiav txwv:

1. Kev cais dej hiav txwv—Prevents seawater intrusion into the wellbore. Maintains drilling fluid density and circulation efficiency. Protects against dilution of mud properties in shallow formations.
2. Load peev†"Txhawb nqa qhov hnyav ntawm qhov drilling rig, risers, thiab downstream casing kab. Hloov cov axial loads thiab tiv thaiv lub sijhawm khoov los ntawm nthwv dej, tam sim no, thiab rig motion.
3. Zoo stability—Stabilizes unconsolidated sediments nyob ze ntawm lub seabed, tiv thaiv kev tawg ntawm cov formations saum toj no ua ntej txhim kho lub intermediate casing, muaj nuj nqi raws li lub “structural skeleton†ntawm lub qhov dej.
4. Lub hauv paus rau cov khoom siv hauv lub qhov dej thiab cov dej hiav txwv—Muab lub hauv paus ruaj ntseg rau subsea wellheads, blowout Preventers (BOPs) thiab cov ntoo ntau lawm.Ua kom muaj kev ntseeg siab ntev ntawm cov chaw hauv dej hiav txwv los ntawm kev tswj xyuas kev sib tw thiab kev xa khoom thauj.

Kev cais dej hiav txwv- Prevents seawater intrusion into the wellbore, maintains drilling fluid density and circulation efficiency, and protects against dilution of mud properties in shallow formations.

Load peev: txhawb nqa qhov hnyav ntawm qhov drilling rig, risers thiab cov kab tom ntej; hloov axial loads thiab resists dabtsi yog khoov lub sij hawm induced los ntawm nthwv dej, tam sim no thiab platform txav; Muab cov qauv kev ncaj ncees rau cov rooj sib txoos zoo hauv qab lub voj voog.

Zoo stability: Stabilizes unconsolidated sediments nyob ze ntawm lub seabed, tiv thaiv lub cev qhuav dej ntawm cov formations saum toj no ua ntej txhim kho lub intermediate casing, thiab ua hauj lwm raws li lub †œstructural skeleton†ntawm lub qhov dej.

Lub hauv paus rau cov khoom siv hauv lub qhov dej thiab cov dej hiav txwv- Muab lub hauv paus ruaj ntseg rau subsea wellheads, blowout Preventers (BOPs) thiab cov ntoo tsim, thiab ua kom muaj kev ntseeg tau ntev ntawm kev teeb tsa hauv dej hiav txwv los ntawm kev tswj xyuas kev sib tw thiab kev xa khoom thauj.

Piv txwv li engineering: Offshore platforms zoo li Hiav Txwv Swift modular platform qhia txog qhov tseem ceeb ntawm cov kav dej xaum. Cov tshuab no tau qhia txog lub peev xwm los txhawb ntau tshaj 400 tons ntawm axial thiab lateral loads thaum tuav lub neej tsim kev pab ntau tshaj 25 xyoo, uas qhia tau hais tias lub luag hauj lwm tseem ceeb ntawm cov yeeb nkab conductor nyob rau hauv kev tsim ntawm ntug dej hiav txwv.

Kev tswj hwm kev pheej hmoo seabed feem ntau tsom rau kev ntxuav tawm, qhov dej ntiav, thiab kev tsis ruaj khov ntawm qhov ze-nto tsim; Conductive casing txo qhov raug los ntawm kev ruaj khov rau sab saum toj ntawm lub qhov dej thiab tswj txoj kev tswj rov qab rau cov kua dej thaum ntxov.

Qhov sib txawv ntawm cov yeeb nkab conductor thiab drilling riser

Txawm hais tias cov kav dej conductor thiab drilling risers yog ob qho tib si loj txoj kab uas hla tubular siv nyob rau hauv lub qhov dej offshore, lawv ua haujlwm sib txawv:

• Conductive yeeb nkab: Tau nruab rau ntawm ntug dej hiav txwv ua thawj kab kem hauv kev tsim kho dej hiav txwv. Muab cov txheej txheem hauv paus, kev thauj mus los thiab kev ruaj ntseg saum toj kawg nkaus rau lub taub hau thiab cov kab tom ntej.
• Drilling Riser: ib ntus conduit txuas lub subsea wellhead mus rau qhov chaw drilling platform, siv feem ntau hauv cov dej tob. Tso cai rau kev nyab xeeb ntawm cov dej drilling thiab kev tswj siab thaum lub sij hawm drilling.

Conductive yeeb nkab- Nruab rau ntawm ntug dej hiav txwv raws li thawj kab kem hauv kev tsim kho hauv ntug dej hiav txwv, nws muab cov qauv tsim, kev thauj mus los thiab kev ruaj ntseg saum toj kawg nkaus rau lub qhov dej thiab cov kab tom ntej.

Drilling Riser: ib ntus conduit txuas lub subsea wellhead mus rau qhov chaw drilling platform, siv feem ntau hauv cov dej tob. Tso cai rau kev nyab xeeb ntawm cov dej drilling thiab kev tswj siab thaum lub sij hawm drilling.

Ua ke, cov kav dej thiab cov yeeb nkab drilling tau tsim ib qho kev sib koom ua ke: yav tas los tsim lub hauv paus rau ntawm ntug dej hiav txwv, thaum lub sij hawm tom kawg txuas ntxiv kev tswj xyuas los ntawm seabed mus rau saum npoo hauv dej tob.

Nyob rau hauv ntug dej hiav txwv conductor pipeline mus txog, qhov yuav tau txais ntawm conductor pipeline rau roj thiab roj yog feem ntau tso tawm nyob rau hauv lub vaj tsuas yog thaum txhua ntau los txog nrog rau cov MTC / NDT thiab cov ntaub ntawv seem, tsis txhob khaws cov ntsiab lus ua ntej yuav txo qis.

Yam	Conductive yeeb nkab	Drilling Riser
Muaj nuj nqi	Permanent structural casing yeeb nkab; stabilizes seabed, cais seawater thiab txhawb nqa lub qhov dej.	Lub cev muaj zog ib ntus; txuas lub subsea wellhead mus rau qhov chaw drilling rig.
Installation theem	Nws yog thawj zaug ntsia raws li tus thawj casing kem, embedded nyob rau hauv lub seabed.	Nws yog ntsia tom qab lub qhov dej tau muab tso rau, thaum lub sijhawm ua haujlwm drilling.
Kev khiav hauj lwm Scope	Muab lub hauv paus thiab kev txhawb nqa mus ntev rau cov dej ntiav dej.	Ua kom muaj kuab paug, tswj siab thiab nyab xeeb drilling hauv qhov dej tob.
Kev ruaj khov	Ib feem mus tas li ntawm cov qauv zoo.	Ib ntus, rov qab los ntawm qhov kawg ntawm qhov drilling.
Nyob ib ncig ntawm	Drilling hauv dej ntiav (continental txee, ze ntawm ntug dej hiav txwv).	Perforación en aguas profundas y ultra profundas (>2,000 m).
Lub luag haujlwm ntawm tus qauv	Hloov axial thiab lateral loads los ntawm lub platform thiab cov khoom siv mus rau seabed.	Nws absorbs dynamic txav (nthwv dej, tam sim no) los ntawm cov tshuab nro.
Txoj kab uas hla	Feem ntau 20″–36″.	Sistemas de mayor tamaño con juntas de tensión, a menudo >21' Ib ID.
Txuas nrog pab pawg tseem ceeb	Nws ua lub hauv paus rau subsea wellheads, BOPs thiab casing programs.	Muab cov conduit ntawm subsea BOP thiab qhov chaw drilling system.

Hauv kev tsim kho ntawm ntug dej hiav txwv zoo, tus neeg xyuas pib tubing thiab drilling riser daws teeb meem sib txawv hauv ib ntus. Cov tsav tsheb thauj tog rau nkoj lub qhov dej mus rau hauv seabed thiab muab lub hauv paus ruaj khov rau lub qhov dej, thaum lub qhov drilling riser txuas ntxiv kev ncig thiab kev tswj xyuas kev ua haujlwm ntawm subsea pawg thiab cov khoom siv saum npoo thaum lub sij hawm drilling. Nyeem ua ke, ob qho tib si cais "kev ruaj ntseg hauv paus" los ntawm "drilling ncig thiab tswj kev siab," pab kom muaj peev xwm thiab kev lees paub meej.

Qhov txawv ntawm Conductive Casing Pipe thiab Surface Casing Pipe

Piv txwv li	Conductive casing yeeb nkab (conductive yeeb nkab)	Nto Casing Pipe
Txoj hauj lwm hauv qhov program	Thawj kem, sab nraud thiab loj tshaj plaws txoj kab uas hla, nyob rau hauv seabed los yog seem ze rau saum npoo.	Kem nyob ib sab ntawm tus tsav tsheb; Nws txhawb nqa sab saum toj ntawm lub qhov dej thiab muab lub hauv paus muaj zog ntau dua rau kev sib sib zog nqus drilling.
Lub hom phiaj tseem ceeb	Seabed stability, cais ntawm seawater zones, structural hauv paus rau lub taub hau thiab tom ntej kab.	Kev sib cais ntawm cov cheeb tsam nyob rau hauv ntiav formations, ntau dua wellbore kev ncaj ncees rau lub sij hawm tom ntej drilling.
Txoj kab uas hla thiab phab ntsa tsim	Loj OD xaiv raws li lub hauv paus loads thiab installation txoj kev; WT txuas rau axial / lateral loads thiab av peev xwm.	Hluas tshaj tus tsav tsheb; Cov qauv tsim tsom rau kev ncaj ncees ntawm cov txheej txheem thiab cemented rwb thaiv tsev rau ntu tom ntej.
Kev lees txais tsom	OD / WT kam rau ua, ovality, straightness, solder kev ncaj ncees, kawg / connector npaj sib xws, tamper tiv thaiv, ntaub ntawv kev ncaj ncees.	Casing kev ncaj ncees, kev sib txuas kev ua tau zoo, cementing compatibility thiab rwb thaiv tsev yuav tsum tau rau theem tom ntej drilling.

Conductive thiab nto casing yog ob qho tib si â € "cov kab ntawv thaum ntxov," tab sis lawv tau yuav thiab txais rau qhov kev pheej hmoo sib txawv. Conductive casings raug tso tawm thaum haum-up, tamper tiv thaiv thiab ntau-rau-ntau cov ntaub ntawv txhawb nqa ib tug huv drawdown rau seabed ceg; Pem hauv ntej casing tsom ntau rau kev ncaj ncees thiab rwb thaiv tsev npaj rau kev sib sib zog nqus drilling.

Manufacturing Standards thiab Capacities

GNEE muab cov kav dej loj loj nrog qhov ntev li ntawm 20″ txog 36″, yoog rau ob txoj haujlwm dej ntiav thiab cov haujlwm sab nraud. Cov kab hluav taws xob qhov ntev no feem ntau xaiv los ntawm qhov kev pab cuam drilling thiab seabed tej yam kev mob, txuas txoj kab uas hla thiab phab ntsa thickness mus rau hauv paus loads thiab installation txoj kev. Cov khoom siv yeeb nkab tau raug xaiv rau lawv qhov weldability, qaug zog tiv thaiv, thiab raug rau seawater corrosion nyob rau hauv offshore ib puag ncig.

• Kev xaiv khoom—Carbon-manganese steels rau cov qauv muaj zog. Tsawg-alloy steels nrog nce weldability thiab qaug zog tsis kam. xaiv corrosion-resistant coatings rau lub sij hawm ntev.
• Cov txheej txheem tsim khoom—Precision dov thiab longitudinal vuam, kev kho cua sov rau kev tswj microstructure, Advanced machining kom ua tiav nruj tolerances.
• Kev Ua Raws Cai— API, ISO thiab DNV qhov yuav tsum tau ua rau kev tsim kho hauv ntug dej hiav txwv Ua raws li cov txheej txheem NDT thoob ntiaj teb rau kev soj ntsuam vuam thiab lub cev.

Kev xaiv khoom: carbon-manganese steels rau lub zog muaj zog; low alloy steels nrog ntau dua weldability thiab qaug zog ua haujlwm; Optional corrosion resistant coatings rau lub sij hawm ntev durability.

Cov txheej txheem tsim khoom: precision dov thiab longitudinal vuam; Kev kho cua sov rau kev tswj microstructure; Advanced machining kom ua tiav nruj tolerances.

Kev Ua Raws Cai: API, ISO thiab DNV cov cai rau kev tsim kho ntawm ntug dej hiav txwv; Ua raws li cov txheej txheem NDT thoob ntiaj teb rau kev tshuaj xyuas cov welds thiab cov yeeb nkab lub cev.

Nyob rau hauv marine conductive yeeb nkab tej pob khoom, manufacturability yog ntsuas los ntawm ntau-rau-ntau repeatability: ruaj khov OD / WT tswj, zoo ib yam connector / kawg npaj geometry, thiab soj ntsuam cov ntaub ntawv raws li lub vaj lub chaw txais kev lees paub.

Conductive Pipe Specifications

Conductive yeeb nkab specifications rau offshore drilling feem ntau txhais tau hais tias qhov ntau ntawm txoj kab uas hla thiab phab ntsa thickness, ntev, raug txoj kev (dov thiab welded), thiab qhov ntev kam rau ua kom haum zoo. Cov kev qhia tshwj xeeb muaj xws li OD / WT ntau yam, qhov ncaj thiab ovality txwv, kev npaj kawg, hom txuas, txheej txheej yuav tsum tau ua, NDT qhov, thiab cov ntaub ntawv (MTC thiab cov ntaub ntawv soj ntsuam / kuaj).

Kev npaj lub installation ntawm cov yeeb nkab conductor (tsav, jetted, los yog drilled thiab cemented) hloov qhov tseem ceeb tshaj plaws nyob rau hauv cov specification. Tib OD tuaj yeem ua tsis tau tawm ntawm ntug dej yog ovality, ncaj lossis qhov kawg tiv thaiv tsis tau tswj raws li txoj kev teeb tsa.

• OD/WT kam rau ua thiab qhov tsawg kawg nkaus ntawm phab ntsa ntawv pov thawj ib tug ntau;
• ovality thiab straightness txwv txuas rau connector haum thiab txo tus cwj pwm;
• ntev kam rau ua thiab kev qhuab qhia tally (thooj suav, sib koom ua ke ntev, sib cais los ntawm cam khwb cia / batch);
• kawg kev npaj / connector hom thiab cov kev cai tiv thaiv;
• welding txoj kev thiab vuam soj ntsuam Scope (weld END + lub cev thaum xav tau);
• txheej txheej / pleev xim rau thiab kho cov txheej txheem rau kev puas tsuaj hauv hiav txwv;
• Scope ntawm cov ntaub ntawv documentary (MTC, NDT cov ntaub ntawv, cov ntaub ntawv qhia txog qhov loj me, daim ntawv teev npe taug qab).

Conductive Pipe Installation Methods thiab lawv cuam tshuam rau Specification

Txoj kev teeb tsa	Tej yam cwj pwm nyob rau hauv lub teb	Specification/Acceptance tseem ceeb
Tsav	High cuam tshuam load; kev pheej hmoo ntawm kev puas tsuaj kawg thiab hauv zos deformation thaum tsav tsheb.	Kev tiv thaiv kawg, ovality tswj, ncaj, solder kev ncaj ncees, connector robustness, tuav cov ntsiab lus thiab batch-rau-batch sib xws.
Txau nrog dej (jetted)	Hydraulic txhaj tshuaj pab kev nkag mus; Kev ruaj ntseg thiab kev sib haum xeeb tseem ceeb heev.	Straightness, connector haum, dimensional repeatability, txheej tolerance rau marine exposure thiab documentary kev ncaj ncees.
Drilled thiab cemented	Lub qhov dej yog drilled ua ntej txo cov yeeb nkab; Cementing thiab kev sib raug zoo tsim lub hauv paus rau cov kab tom ntej.	Dimensional tswj kev txo qis / nruab nrab, kawg / txuas kev npaj sib xws, vuam NDT Scope thiab batch traceability.

Txawm li cas los xij, cov khoom siv hluav taws xob feem ntau raug tso tawm thaum pab neeg tau txais tuaj yeem tshawb xyuas peb yam: qhov sib npaug ntawm qhov haum, ruaj khov weld zoo, thiab cov ntaub ntawv ua tiav.

Kev sib txuas technologies

Kev ua tau zoo thiab kev nyab xeeb ntawm cov yeeb nkab txuas txuas feem ntau nyob ntawm nws qhov kev sib txuas. GNEE muaj peb txoj hauv kev tseem ceeb:

1. Quick connectors (xav tau)—Tsim kom ceev sib dhos thiab disassembly txo lub sij hawm rig mus txog 30%.
2. BTC (lub taub hau xov nrog coupling)—Ib qho kev daws teeb meem thiab tus nqi tsim nyog, muab pov thawj kev ntseeg siab nyob rau hauv nruab nrab ntawm ntug dej hiav txwv.
3. Hwm kev sib txuas—Tsim rau HPHT (kev kub siab, kub siab) qhov dej. Muaj roj-nruj sealing thiab hnyav load kuj. Haum rau complex thiab tob dej.

Quick connectors (xav tau)

Tsim los rau kev sib dhos ceev thiab disassembly. Lawv txo cov sijhawm drilling rig txog li 30%. Lawv muab cov neeg kho tshuab txhim khu kev qha thiab sealing kev ncaj ncees.

BTC (lub taub hau xov nrog coupling)

Ib qho kev daws teeb meem thiab muaj txiaj ntsig. Muab pov thawj kev ntseeg siab nyob rau hauv nruab nrab offshore tej yam kev mob.

Hwm kev sib txuas

Tsim los rau HPHT (kev kub siab, kub kub) qhov dej. Lawv muab gas-tight sealing thiab hnyav load kuj. Haum rau complex thiab sib sib zog nqus dej puag ncig.

Txhua hom connector yog validated rau tensile lub zog, flexural zog, qaug zog kev ua tau zoo thiab sealing kev ncaj ncees nyob rau hauv marine ib puag ncig simulations.

Kev xaiv Connector feem ntau txiav txim siab los ntawm kev teeb tsa nrawm, thauj khoom profile, thiab rov siv qhov kev cia siab. Cov khoom sib txuas ceev feem ntau raug xaiv los txo cov sij hawm sab nraud thiab cuam tshuam kev cuam tshuam; BTC feem ntau yog siv nyob rau hauv cov lus pom zoo uas tus nqi thiab kev paub yog qhov tseem ceeb; Kev sib txuas hwm yog feem ntau teev thaum lub load / foob npoo yog nruj dua los yog thaum qhov kev qhia tshwj xeeb xav tau kev sib txuas ua tau zoo dua.

Tsim thiab tuav cov yam ntxwv

• Pin & box connectors nrog hlau xov protectors rau kev nyab xeeb kev thauj mus los thiab cia.
• Yas O-rings los txhim kho sealing kev ntseeg tau thiab corrosion kuj.
• Integrated lifting qhov muag rau kev nyab xeeb offshore tuav.
• Kev cai txuas cov kev daws teeb meem tsim los rau cov xwm txheej tshwj xeeb.

Hauv offshore pipeline logistics, tuav cov yam ntxwv tsis zoo nkauj. Xov / connector tiv thaiv, lifting tsim, thiab stacking / thauj mus los kev qhuab qhia ncaj qha cuam tshuam rau qhov kawg ovality, yard teem ceev, thiab yuav ua tau rework ua ntej tus neeg xyuas pib txo.

Kev tswj kom zoo thiab kev sim

Kev tswj hwm theem	Dab tsi yog qhov tseeb	Cov ntaub ntawv / cov ntaub ntawv xa tuaj
Kev kuaj tsis muaj kev puas tsuaj (NDT)	Ultrasound (UT), radiography (RT) thiab magnetic particles (MT) hauv welds thiab yeeb nkab lub cev	NDT cov ntaub ntawv txuas mus rau kev txheeb xyuas qhov vuam thiab kos ib feem; welding identification / traceability cov ntaub ntawv (nyob ntawm specification)
Kev txheeb xyuas qhov ntev	Ncaj, phab ntsa thickness, roundness / ovality, OD / WT pov thawj ib batch los yog raws li pom zoo sampling txoj kev npaj	Dimensional reports (OD/WT, ovality, straightness) los ntawm ntau los yog raws li pom zoo sampling txoj kev npaj; Cov ntaub ntawv ntsuas tau ua raws li ib feem / ntau IDs
Simulated marine kev sim	Accelerated corrosion thiab qaug zog kuaj nyob rau hauv cov khoom siv seawater thiab cyclic loading ib puag ncig (thaum teev)	Corrosion/fatigue simulation test report (thaum teev)
Khoom siv traceability	Cam khwb cia / batch traceability khaws cia thaum tsim khoom thiab xa khoom	MTC / batch casting traceability daim ntawv teev npe; ib feem-theem daim ntawv teev npe raws li ntau tus IDs
Tswj kev npaj ntawm qhov kawg thiab cov khoom sib txuas	Cov xwm txheej ntawm qhov kawg kev npaj, sib xws ntawm connector geometry thiab installation ntawm protectors ua ntej xa zaub mov	Connector/End Preparation cav; tiv thaiv cov ntaub ntawv pov thawj
Txheej / xim tshuaj xyuas	Ua raws li cov txheej txheem txheej / pleev xim thiab lees txais kev kho, suav nrog kev tshawb nrhiav qhov tsis sib xws (hnub so) thaum xav tau	Daim ntawv qhia txheej / pleev xim (thaum teev); kho/hnub so log (yog muaj)
Ntim, tally thiab shipping reconciliation	Kev xa khoom ncaj ncees tau txheeb xyuas kom pom cov cim ntawm txhua qhov sib koom ua ke nrog cov ntaub ntawv thiab cov npe ntim khoom	Cov ntawv ntim khoom thiab cov ntawv suav uas rov ua dua cov cim ntawm cov theem nrog cov ntaub ntawv sau cia

Cov txheej txheem tshuaj xyuas no yog tsim los kaw ob qho kev pov thawj thiab tso tawm cov ntaub ntawv nyob rau hauv ib lub voj voog: NDT thiab kev tswj qhov ntev kom paub meej qhov kev ntseeg siab thiab haum zoo, thaum simulation marine (thaum teev), traceability, connector/end records, coating reports, and part-level tally kom txhua qhov sib koom ua ke tuaj yeem lees txais thiab kos npe rau hauv cov khoom siv yam tsis muaj reverification, txhawb nqa cov neeg tsav tsheb raws sijhawm.

Kev siv yeeb nkab yeeb nkab

Daim ntawv thov scenario	Hom kev siv	Dab tsi ntawm kab tsav tsheb yuav tsum tau pab
Platforms nyob rau hauv dej	Jack-ups thiab modular structures qhov twg thawj kab kab loj loj tau teeb tsa thaum ntxov kom ruaj khov rau saum lub qhov dej.	Wellhead Base thiab Alignment Preparation rau cov hlua Casing Tom ntej
Tsau offshore installations	Tej yaam num uas yuav tsum tau hloov ntawm cov qauv loads los ntawm cov khoom txuam nrog rau lub qhov dej mus rau lub seabed seem.	Lub hauv paus ntawm Wellhead thiab kev npaj kho kom haum rau cov kab tom ntej; stability ntawm seabed seem nyob rau hauv unconsolidated formations nrog raug rau washouts
Subsea wellhead systems	Ua ntej casing kem txhawb nqa subsea wellheads thiab pib qhov zoo tsim kho vajtse.	Lub hauv paus ntawm Wellhead thiab kev npaj kho kom haum rau cov kab tom ntej; kev tswj xyuas thaum ntxov nyob qhov twg qhov chaw ntiav thiab kev sib cais dej hiav txwv yuav tsum nyob ruaj khov thaum pib drilling
Offshore Drilling Program	Cov kev pab cuam uas seabed stability thiab kev cais dej hiav txwv yog qhov tseem ceeb hauv thawj lub sijhawm drilling.	Kev ruaj ntseg ntawm seabed seem nyob rau hauv unconsolidated formations nrog raug rau washouts; kev tswj xyuas thaum ntxov nyob qhov twg qhov chaw ntiav thiab kev sib cais dej hiav txwv yuav tsum nyob ruaj khov thaum pib drilling

Cov ntaub ntawv thov no tuaj yeem muab sau tseg rau hauv cov txiaj ntsig tau hais tseg: cov khoom siv hluav taws xob raug xaiv kom ruaj khov ntawm cov seabed seem, cais cov dej hiav txwv thiab tsis muaj zog nyob ze ntawm thaj chaw, thiab muab lub hauv paus txhim khu kev qha thiab kev sib haum xeeb rau lub qhov dej thiab cov hlua txuas ntxiv tom ntej. Hauv kev xyaum, cov pab pawg sab nrauv saib xyuas qhov tseem ceeb tshaj tawm txog kev tso tawm †"cov ntaub ntawv tshawb xyuas thiab cov ntaub ntawv soj ntsuam uas tau txais kev lees paub sai sai â€" kom cov neeg tsav tsheb tso tawm thiab kev ncig ntxov tuaj yeem mus tom ntej yam tsis muaj kev cuam tshuam rau lub sijhawm.

Qhov chaw ntawm Conductive Casing hauv Casing Program

Ib qho kev pab cuam casing zoo zuj zus los ntawm txoj kab uas hla loj tshaj plaws nyob rau sab saum toj mus rau cov kab me me tob hauv lub qhov dej. Cov khoom siv hluav taws xob yog thawj thiab sab nrauv sab nrauv, uas ua rau lub seabed / ze-surface seem thiab muab cov qauv tsim rau lub qhov dej. Ua raws li tus neeg xyuas pib txoj hlua, qhov npoo npoo yog feem ntau qis dua los tsim kom muaj kev ruaj khov thiab ruaj khov thiab kev ncaj ncees rau lub sijhawm drilling tom ntej. Intermediate casing (thaum siv) tswj cov txheej txheem ntau dua thiab kev ruaj ntseg zoo ntawm qhov tob dua, thaum tsim cov casing (lossis ib lub liner) txhawb nqa lub sijhawm tsim thiab ua tiav.

Xaus

Tus neeg xyuas pib cov yeeb nkab yog thawj qhov thaiv, cov txheej txheem pob txha thiab lub hauv paus ntawm cov dej hauv ntug dej hiav txwv. Nws qhov tseem ceeb tsis yog tsuas yog muab kev ruaj ntseg zoo tam sim ntawd xwb, tab sis kuj tseem ua kom muaj kev ncaj ncees mus sij hawm ntev ntawm subsea wellhead systems. Nrog rau txoj kab uas hla mus txog 36″, cov cuab yeej txuas txuas ntxiv thiab kev ruaj ntseg zoo, GNEE muab cov kev daws teeb meem rau cov kav dej uas ua tau raws li qhov xav tau tshaj plaws ntawm kev tsim cov roj thiab roj av.

Rau tej yaam num nyob rau hauv qhov dej ntiav ib puag ncig, cov yeeb nkab conductive yog qhov tseem ceeb. Rau kev ua haujlwm hauv dej tob, tus neeg xyuas pib tubing ua haujlwm ua ke nrog cov khoom siv drilling kom muaj kev nyab xeeb, ua haujlwm tau zoo thiab txhim khu kev qha zoo.

Rau cov khoom siv hluav taws xob, †œ khiav tawm ntawm ntug dej hiav txwv txhais tau tias cov dej hiav txwv khiav dhau qhov kev lees paub yam tsis muaj kev kuaj xyuas rov qab: qhov sib npaug ntawm qhov sib xws txhawb nqa kom haum, tiv thaiv kev tiv thaiv kom tsis txhob muaj kev puas tsuaj ntawm qhov hnyav, thiab cov ntaub ntawv ua tiav txaus los tso cov kab ntawv raws sijhawm.

Kev muab khoom thiab kev tsim khoom ntawm GNEE conductive yeeb nkab rau cov haujlwm sab nrauv

Nyob rau hauv lub offshore conductive pipeline tej pob khoom, kev yuav khoom feem ntau ua tsis tau tejyam nyob rau hauv cov ntsiab lus me me: lub OD / WT kam rau ua tsis phim lub jacking/injection txoj kev npaj, connector/kawg npaj yog inconsistent ntawm ntau, los yog NDTs thiab traceability tuaj txog lig thiab thaiv kev tso tawm.

GNEE tswj cov khoom siv hluav taws xob raws li pob khoom tswj thiab tsis yog cov khoom xa tuaj xoob: qhov dav dav, lub sijhawm ntawm phab ntsa, kev npaj kawg, txheej txheej thiab cov ntaub ntawv xav tau raug lees paub tawm tsam qhov kev pab cuam drilling ua ntej kev tsim tawm, yog li qhov tuaj txog ntawm qhov chaw sib tw nrog cov txheej txheem kev teeb tsa thiab daim ntawv lees paub.

Thaum lub sijhawm tsim khoom, kev tsom mus rau qhov hloov pauv ntawm cov txiaj ntsig ntawm ntug dej hiav txwv: qhov sib npaug ntawm qhov haum, ruaj khov weld zoo, thiab cov ntaub ntawv pov thawj uas tuaj yeem kos npe yam tsis muaj rov qab los. Ib qho xwm txheej yog ntau qhov kev txiav txim rau 30″†"36″ cov yeeb nkab uas sib xyaw ua ke thiab cov ntaub ntawv soj ntsuam uas ploj lawm tuaj yeem yuam rov xyuas dua thiab tuav cov ntsiab lus hauv lub vaj; nrog rau lub Hoobkas tswj txoj kev, lub Hoobkas tshuaj xyuas pob yog tsim los ntawm ntau ntau (MTC, cov ntaub ntawv seem thiab cov txiaj ntsig Cov ntaub ntawv yog tsawg dua reprocessing nyob rau hauv lub seabed interruptions, tsawg dua installation. cov hlua casing tom ntej thiab cov dej num hauv lub hauv paus.

Nyob rau hauv marine conductor pipeline scopes, ntau segregation thiab cim kev qhuab qhia yog hais raws li ib feem ntawm lub deliverable. Thaum ib feem-theem tus kheej, qhov kev sib txuas, thiab cov ntaub ntawv tshuaj xyuas raug ua kom zoo, kev teeb tsa cov yeeb nkab tuaj yeem txav mus rau pem hauv ntej yam tsis muaj kev txheeb xyuas vaj huam sib luag.

Dawb quote

Cov lus nug uas nquag nug

Q1: Dab tsi yog tus tsav tsheb ntawm lub platform offshore?A1: Tus neeg xyuas pib yog thawj txoj kab uas hla loj uas tau teeb tsa rau ntawm ntug dej hiav txwv kom ruaj khov overlying formations, cais thaj chaw dej hiav txwv, thiab muab cov txheej txheem tsim rau lub qhov dej thiab cov hlua txuas ntxiv.

Q2: Dab tsi yog lub hom phiaj ntawm conductive casing nyob rau hauv offshore drilling?A2: Cov khoom siv hluav taws xob muab kev ruaj ntseg zoo hauv qhov chaw seabed, cais cov dej hiav txwv thiab tsis muaj zog nyob ze ntawm qhov chaw, thiab txhawb nqa lub hauv paus kom lub qhov dej thiab cov hlua txuas txuas ntxiv tuaj yeem ntsia tau rau hauv kev sib dhos.

Q3: Dab tsi yog qhov txawv ntawm cov kav dej thiab cov kav dej saum npoo?A3: Conductive casings yog thawj, sab nraud loj txoj kab uas hla, nruab nrab ntawm kev ruaj ntseg ntawm seabed thiab lub hauv paus ntawm lub qhov dej; Surface casing feem ntau yog kab tom ntej, uas txhawb nqa kev sib cais thiab kev ncaj ncees rau kev sib sib zog nqus drilling.

Q4: Yuav ua li cas yog offshore conductive casing ntsia?A4: Cov khoom siv hluav taws xob feem ntau yog ntsia los ntawm jacking, jetting, lossis drilling thiab cementing; Cov txheej txheem kev teeb tsa cuam tshuam qhov tshwj xeeb qhov tseem ceeb ntawm ovality / ncaj, kev tiv thaiv kawg, kev sib txuas sib xws, thiab cov ntaub ntawv npaj rau kev tso tawm.

Q5: Dab tsi yog qhov ntev ntawm cov khoom siv hluav taws xob rau cov qhov dej tawm sab nrauv?A5: Qhov loj me feem ntau yog cov kab loj loj uas xaiv los ntawm qhov kev pab cuam drilling thiab seabed tej yam kev mob; Ntau cov dej num hauv ntug dej hiav txwv qhia cov yeeb nkab hauv thaj tsam ntawm 20″†"36″, nrog cov phab ntsa tuab txhais los ntawm axial / lateral loads, av muaj peev xwm thiab kev teeb tsa.

Q6: Dab tsi yog cov yam ntxwv ntawm tus neeg xyuas pib cov yeeb nkab tshwj xeeb rau kev lag luam roj thiab roj?A6: Cov lus qhia tshwj xeeb txhais tau hais tias OD / WT ntau yam, qhov ntev, txoj kev tsim khoom (khoov thiab welded), qhov ncaj / ovality txwv, kev npaj kawg lossis hom txuas, txheej txheej yuav tsum tau ua rau dej hiav txwv raug, NDT kev pab them nqi, thiab cov ntaub ntawv xav tau pob xws li MTC thiab cov ntaub ntawv soj ntsuam / kuaj.

Thov ib tsab ntawv tam sim no!