Vacuum Insulated Tubing

Kada steam-injection odino geothermal project et manggastos na baleg a kuarta pian magmaliw ya de-kalidad ya steam so gasolina ed tapew na dalin. Diad sakey a kombensional a lubir na tubo, baleg a kabiangan na satan ya enerhiya so naandi legan ya onleleksab: onkupas so kalidad na singaw, mansiansian malapot so larak, ondarakel so wax tan scale, onpepetang so casing tan, diad permafrost, say dalin ed kaliberliber na bobon et nayarin onggapon ontunaw. No onsabi la ray operator ed sayan punto, say tepet et aliwan "mas dakel so singaw?" balet "panon tayon napansiansia so petang no iner so kaimportantian to?"

Octal Pipe'sinsulated tubing, ya kabkabat met bilangvacuum insulated tubing (VIT), et ginawa parad sarayan bobon. Kada joint et double-wall ya walay inner production tube tan outer carrier tube. Say annulus et napno na high-performance insulation tan inekal ed atagey a vacuum, ya walay reflective layers tan getters ya mangibara ed conduction, convection tan radiation ed parehon panaon. No ikompara ed anggapoy tubo, say VIT string mi et mangiiter na mas atagey a kalidad na singaw ed leksab na abut, abeban temperatura na annulus tan mas melag ya pakaandi na petang kada metro.

Nipaalagey ed API 5CT ya klase na tubo a singa say N80, L80 tan P110 ya walay BTC odino premium gas-malet ya koneksyon, Octalpre-insulated tubingnayarin paandaren ya uusaren so estandarten OCTG handling equipment, balet ta mangiter ed sika na thermal performance ya nakaukolan parad heavy-oil steam injection, offshore heavy-oil developments, permafrost wells tan high-enthalpy geothermal projects.

Say octal insulated tubing et ginawa bilangdouble-wall concentric pipe string. Kada kasukasuan et walaan na mas melagloob na tuboya mangawit na saray pluido ed bobon tan mas balegtubo ed pawayya manproprotekta ed asemblea. Say duaran tubo et nankakasakey ed duaran sampot, kanian walay selyadoannular insulation spacediad baetan da. Saray kasukasuan et akakonekta ed bobon panamegley na API BTC odino premium threaded couplings, kanian say kompleton lubir et singa say estandarten tubo.

Say desinyo na petang et nibase ed panagputot na amintaloran manunan mekanismo na pangiyalis na petang – kondukta, konbeksion tan radiasyon – diad annulus:

• Aluminium foil parad radiation blocking

Say reflective aluminum foil et akabalot ed annulus pian na-reflect so infrared radiation pawil ed ambetel ya inner tube. Saya so mamawas a maong ed radiant heat loss no atagey so temperatura na singaw.

• Materyal ya insulasyon parad panangontrol na kondukta

Say espasyo ed baetan na loob tan paway na tubo et napno na low-conductivity insulation (singa say perlite powder odino ultra-fine glass wool). Saya so mamarakep ed thermal resistance na annulus tan manlimitad conductive heat flow.

• Vacuum tan getters pian nasebel so convection

Kayari na pangitipon, say annulus et iyalis ed atagey a vacuum tan iparaan na saray getter ya tuloytuloy ya man-absorb na saray nakekeraan ya gas. Lapud ngalngali anggapo lay gas ya onalis, say convective heat transfer ed annulus et epektibon naekal.

• Pre-stress treatment ed loob na tubo parad kaligenan

Say loob na tubo et naikdan na kontroladon pre-stress antis na pinal ya welding, pian say thermal expansion tan contraction legan na welding tan field operation et ag makapawala na makaderal iran residual stresses. Ontulong iya pian mansiansian ligtas so weld zone tan say interon joint legan na dakel a panaon na panagpainit tan panagpabetel.

Diad pangitipon ed sayan doble-istruktura na tubo edradiation shielding, solidon insulation, atagey ya vacuum tan inner-tube pre-stress, Say octal insulated tubing et mamapaabeba na pakaandi na petang ed gilig na wellbore legan ya mankikimey nin singa say pamilyar ya OCTG tubing string.

Say manunan punto na inhinyeriya et say thermal performance et aglabat nadetermina na insulation material. Diad field service, say pakawalaan na petang et mabiskeg ya apektado na annulus stability, end-weld integrity tan joint-area thermal control kayari na paulit-ulit ya temperature cycling. Kanian say pre-stressed insulated tubing et lalon makanakana ed cyclic steam service imbes ya diad steady-temperature service labat.

Say pamilya na produkto et mas malinew ya natalosan panamegley na limaran direktan -pangusar: heavy-oil thermal recovery, prebension na permafrost thaw ed oil tan gas fields, anti-wax wellbores, geothermal heating tan power generation, tan hot-spring wells. Ontulong iya pian nipanengneng ya say range et aliwan limitado ed steam injection labat; nayarin pilien met itan unong ed heat-preservation duty ed hot-water tan geothermal service.

Hot-spring wells

Parad panagpaalagey na hot-spring, say kablian na insulated tubing odino insulation pipe et aliwan pian nabawasan so pakaandi na petang, no ag ingen pian napansiansia so mas mausar ya petang manlapud kaaralem ya anggad paway. Diad ontan iran proyekto, say mas atagey ya temperatura na outlet tan mas malet ya preserbasyon na petang et makapaaligwas ed komersyal a balor na bobon tan makapangibawas na pakaandi na temperatura legan na pangiter.

Pian magmaliw ya mainomay so panag-screen na modelo, say impormasyon nipaakar ed kabaleg ed sayan seksion et inuksoy ed nanduruman grupo na lamisaan. Say unonan lamisaan et mansaklaw ed estandarten vacuum insulated tubing size family ya manunan uusaren parad steam injection, heavy-production na oil tan arum niran oilfield thermal service. Say komaduan grupo na lamisaan et mangaarum na prestressed insulated tubing sizes tan insulation grades parad cyclic thermal duty. Say komatlon table et mangipapanengneng na kaslakan ya Octal insulation pipe models ya mas direktan uusaren ed geothermal heat-exchange tan hot-spring heat-preservation service. Say pangisian ed sarayan kabaleg na pamilya et mamainomay ed RFQ review tan ontulong pian nibiig iray kombensional ya oilfield thermal strings manlapud geothermal insulation-pipe configurations.

Say octal vacuum insulated tubing et walad onggendan ya representative size family parad oilfield tan steam-service ya aplikasyon.

Parad saray proyekto ya paulit-ulit so thermal cycling, wala met so prestressed insulated tubing size family kaiba so insulation-grade classification. Sarayan balor et sankaabigan ya nipanengneng ed leksab na estandarten VIT table bilang kaaruman a reperensya parad thermal-service selection, lalo la no kaukolan ya ikompara na saray managsaliw so kabaleg, sobre na koneksyon, belat na yunit tan performance na insulation diad parehon kundang na review.

Parad geothermal heating, geothermal power generation tan hot-spring wells, say pamilya na produkto et walaan met na nikaduman Octal insulation pipe model family. No ipanengneng irayan modelo ed sakey ya independentin table, mas mainomay ya ikompara iray aplikasyon na geothermal tan hot-water ya ag la ilaok iratan ed steam-service tubing sizes, tan mangiter ed saray managsaliw na mas malinew ya gapoan parad heat-preservation channel design tan model selection.

Pian mainomay so manpili na engineering, say Octal insulated tubing et iyoopresi ed nandurumangrado na petang:

• Grado B– λ ≈ 0.06–0.04 W/(m·℃)
• Grado C– λ ≈ 0.04–0.02 W/(m·℃)
• Grado D– λ ≈ 0.02–0.006 W/(m·℃degree )
• Grado E– λ ≈ 0.006–0.002 W/(m·℃)

No mas atagey so grado, mas abeba so pakaandi na petang kada metro tan mas maong sokalidad na singaw na abutparad sakey a kondisyon na tapew. Say grupo na inhinyero mi et sarag dan imodelo so pakaandi na petang sumpad kaaralem pian nanengneng yo so pandumaan na ordinaryon tubo, saray manunanpre-insulated tubingtan atagey-gradon Octal VIT ed espisipikon profile na bobon mo.

Parad praktikal a panagpili, say thermal grade et nepeg ya basaen a kaiba so service duty. Diad steam-injection tan heavy-oil projects, say abeban thermal conductivity et mankabaliksan na mas atagey ya kalidad na steam ed kaaralem na reservoir tan mas daiset so aglabay ya iyalis na petang ed annulus. Diad saray proyekton geothermal tan hot-spring, say abeban thermal conductivity et mankabaliksan na mas atagey ya temperatura na paway tan mas dakel ya nausar ya petang ed tapew. Kanian say grado na insulation et nepeg ya isiglaot ed balanse na enerhiya na proyekto, aliwan tratoen bilang sakey ya nisulinek a numero na katalogo.

Parad saray manasaliw na insulated tubing, say manunan tepet et aliwan "anton kabaleg so walad sika?", noagta:

• Panon karakel so naandi ya petang ya natipon ko ed bobon ko?
• Say desinyo kasi et parad aralem a danum, steam injection odino onshore iran kondisyon?
• Nanengneng ko kasi so k-value tan temperature profile antis ak ya man-order?

Pian naebatan iratan, tratoen nen Octalinsulated tubingbilang sakey a sisteman inhinyero, aliwan sakey a klase-so onkana ed amin a produkto.

Diad praktikal a panagdesinyo, say insulated tubing et napili unong ed gagala na serbisyo, heat duty tan kondisyon na bobon, aliwan unong ed OD labat. Say repaso et kaslakan ya onggapo ed target na operasyon: pangipreserba na kalidad na singaw ed kaaralem na reservoir diad CSS o SAGD wells, pangilimitad heat leak ed annulus diad deep-water production, pangibawas na temperatura ed saray wax-prone onshore wells, pangiprotekta ed saray frozen formations ed permafrost areas, pangipreserba ed saray nausar ya geo serbisyo na ambetel a danum. Manlapud satan, say tubing string et nadetermina ed insulation grade, annulus vacuum target, suporta layout, koneksyon thermal control tan service-life requirement ed silong na paulit-ulit ya thermal cycling.

Sayan paraan so mangiter ed saray managsaliw na mas nausar a basiyan parad panangikompara ed yugtan na proyekto. Imbes ya ikompara so tubo base labat ed kabaleg tan klase na sinulid, say pilien et nayarin nengnengen sumpad iilaloan ya pakaandi na petang, temperatura ed leksab-hole odino outlet, temperatura na annulus, inkasusto na kaaralem na bobon tan no kasin say konstruksion et parad steam injection, deep-water assurance, onshore duty . heat-preservation channels. Ontan met so lohika na saray seksion ed leksab: unona so pangi-configure, insan say heat-transfer control ed annulus, insan say k-value tan temperature modeling, tan diad kaunoran et say service life tan length range.

1. Saray konpigurasyon ya aka-tune ed kondisyon na uma
Imbes ya saksakey so konstruksion, say Octal et mangiyoopresi na pigaran insulation configuration ya ginawa ed parehon seamless inner / outer pipe concept. Parad produksyon na aralem a danum, manpopokus kami ed andukey a panaon ya estabilidad tan abeban tuloy iran k-values ​​pian nakontrol so temperatura na annulus tan say peligro na hydrate; parad saray proyekton steam (CSS / SAGD) et idadanet mi so atagey a kapasidad na temperatura tan resistensya ed thermal cycling; parad onshore wells tan proteksion ed permafrost et ibalanse mi so biskeg na insulasyon ed gastos tan mekanikal iran karga. Kada configuration et nadetermina ed insulation grade to, vacuum level tan internal support layout to, kanian nayarian mon i-match so VIT string ed field mo imbes ya i-adapt so field ed tubing.

2. Kontrol na konbeksion, kondukta tan radiasyon ed annulus
Say desinyo mi et mankokombina na taloran mekanismo pian nabawasan so iyalis na petang ed baetan na loob tan paway na tubo:

• Kontrol ed konbeksion– say annulus et naekal ed sakey a nidetermina ya vacuum level, odino napano na inert gas no matukoy, pian walay daiset a pluido ya natilak ya mangawit na petang panamegley na convection. Saray getters ed annulus et ontulong pian napansiansia iyan kondisyon legan na bilay na bobon.
• Kontrol ed kondukta– saray suporta ya maalwar ya akaparaan et mansiansian aka-align so loob tan paway na tubo legan ya babawasan so metal ya kontak na lugar, ya napansiansia so insulation gap anggano manguuman so karga tan temperatura.
• Panangontrol ed radiation– say multi-layer insulation ya walay reflective tan non-conductive layers (mipara ed prinsipyo na MLI systems) et mamapaabeba ed radiant heat transfer ed atagey ya temperatura na singaw.

No nakaukolan, walay kaaruman ya insulasyon ya iiyan ed kaliberliber nalugar na kasukasuanpian saray koneksyon et ag magmaliw ya "hot spots" ed string.

3. k-value based performance tan thermal modeling
Say thermal performance et nibalikas bilangk-value(heat loss ed BTU/hr·ft·℃F odino W/m·℃). Say octal insulated tubing et walad pigaran k-value bands, manlapud aralem-lebel na danum ya adesinyo parad abeban tuloy ya heat leak, anggad mas atagey-k balet mas makatipid iran grado parad moderate-temperature onshore service.

Parad kimey ed proyekto, say grupo na inhinyero mi et nayarin:

• kalkulaen so k-values ​​parad pinilin insulated tubing configuration,
• batiktemperatura-sumpad-profile na kaaralemparad espisipikon geometry na bobon mo, tan
• ikompara iray senaryo a singa say "kombensional a tubo vs insulated tubing" odino "mid-grade vs high-grade VIT".

Saya so mangiter ed sika na malinew a pakanengnengan ed kalidad na singaw ed leksab na abut, temperatura na casing/annulus tan temperatura na outlet ed tapewsakbaymankomit ka ed sakey a desinyo na lubir.

Say pinasimplin panangikompara ed leksab so mangipapanengneng no panon ya say abeban thermal conductivity et misiglaotan ed mas atagey a heat-extraction power diad silong na nanduruman kondisyon na bottom-hole temperatura.

Say parehon lohika na inhinyeriya et onnatnat met ed geothermal tan hot-aplikasyon na danum. Taloran konsepto na downhole thermal-channel so nidepinsa bilang Scheme A, B tan C. Say Scheme A et mangirerepresenta ed sakey a wellbore ya anggapoy epektibon insulated treatment, ya mas dakel so nasesepsep ya petang tan naandi ed seksion na panagsimpenan na petang. Say Scheme B et mangiyaaplika na insulation ed sakey a parte na seksion pian napaaligwas so geothermal utilization efficiency. Say Scheme C et manggawa na mas kompleton downhole heat-preservation channel pian say pangusar na geothermal et lalon napaaligwas, lalo la ed mas atagey iran-heat wells. Importante iya ta ikokonekta toy panagpili na tubo ed performance na preserbasyon na petang na sistema imbes ya diad kabaleg na tubo labat.

Say sananey nin dalan na aplikasyon et say coaxial heat-exchange route ya uusaren so casing tan center-pipe arrangements, ya ditan et uusaren so insulation pipe pian napreserba so mas mausar ya geothermal energy diad gilig na wellbore. Parad saray proyekto na geothermal heating tan power-generation, say panagpili et kaslakan ya ipapaarap ed temperatura na outlet, circulation rate, single-well heat extraction tan tinaon ya heat output, aliwan say OD tan klase na thread labat.

Say representative PERT II case et nilista ed leksab pian nipanengneng no panon ya naebalwar so temperatura na outlet tan say single-well power diad silong na sakey a geothermal operating condition.

Typical geothermal configurations include a 273.05 × 11.43 mm casing with 178 × 135 / 194 / 154 mm matching insulated channel dimensions for about 4000–4500 m wells and around 3750–4500 kW output, a 244.5 × 10.03 mm casing with 140 × 100 / 154 mm ya klase ya uksoyan parad manga 3100 m ya bobon tan manga 1250-1500 kW, sakey a 219.1 × 10.16 mm ya casing ya walay 140 × 100 / 154 mm ya klase ya uksoyan parad manga 3000 m ya bobon tan ngalngalin 100-1500 kW sakey a 177.8 × 9.19 mm ya casing ya walay 114 × 81 / 127 mm ya klase na uksoyan parad manga 2500-3000 m ya bobon tan ngalngalin 750-1000 kW, tan sakey a 139.7 × 7.72 mm ya casing ya walay 89 × 6 9 mm ya klase ya uksoyan parad manga 2500-3000 m ya bobon tan manga 400-600 kW.

Pian mas mainomay so pangitunos na proyekto, say geothermal route et igrupo ed H2000, H3000 tan H4000 series. Diad praktikal a termino, saraya so mangirerepresenta na mas aralem tan mas atagey ya output na geothermal solutions, ya ontutulong ed saray managsaliw ya mangi-align ed kaaralem na bobon tan heat-extraction target ed suston insulation-pipe route.

Say direktan panangikompara ed performance et ontulong met pian napalinew no iner so kaaruman na balor na rota na insulation-pipe no ikompara ed PERT II. Say thermal conductivity na PERT II et manga 0.42 W/(m·K), kumpara ed kulang ya 0.02 W/(m·K) parad Octal insulation pipe. Diad 70℃downhole-temperature a panangikompara, say heat-extraction power et manga 375 kW parad PERT II tan manga 650 kW parad Octal insulation pipe, sakey ya indaak na manga 275 kW, odino manga 73%. Diad sananey a panangikompara parad 2500 m ya bobon ya walay manga 60℃ya temperatura ed leksab na abut, 30 m3/h ya flow rate tan 20℃ya kondisyon na danum ya ompawil, say PERT II et makaabot na manga 26℃ya temperatura na outlet tan 210 kW ya power na sakey a bobon, bangta say Octal ya insulasyon et makaabot na manga 333 degrees kW, ya mamaaligwas ed pakayari na panag-ekstraksion na petang ed sakey a bobon na manga 243 kW, odino ngalngalin 116%.

Say panangikompara ed leksab et mangisusumaryo na parehon test basis tan say pandumaan na performance na PERT II tan Octal insulation pipe.

4. Saray opsyon ed bilay tan karukey na serbisyo
Say octal insulated tubing et ginawa edRange 2 tan Range 3 ya karukeywalay bilay na desinyo ya mipara ed andukey a panaon ya aralem a danum, singaw- ya ineksyon o geothermal service. Say integridad na vacuum, say performance na insulation tan saray welds et kualipikado ya makasungdo ed dakel a taon na thermal cycling, kanian say k-value ya nanengneng mo ed model na desinyo et say k-value ya nailaloan mo ed lawak.

Say octal insulated tubing et ginawa ed pamilyar ya API 5CT tubing grades:

• N80, L80-1, L80-1Cr, L80-3Cr, L80-9Cr
• Q125, S135 tan arum niran atagey-grado na biskeg parad HPHT wells
• Say estandarten koneksyon etAPI BTC, tan sarag mi met ya iter:
• gas-masimpit ya espisyal iran koneksyon (alimbawa, metal-to-metal premium threads ya mipara ed performance na high-end gas-well tubing).
• integral tan semi-flush ya opsyon parad clearance-critical liners.
• manpareho na insulated pup joints, crossover tan accessories.

Kabaliksan na saya ya nawalaan kay bentaha ed petang navacuum insulated tubing, balet ta say rig crew yo et siansia nin mamapaandar ed satan tekep na pamilyar iran paraan na panag-asikaso na OCTG.

Say representative connection-level data et makatulong ed saray managsaliw ya man-screen na saray kandidaton produkto antis ya nasumpal so RFQ. Saray kaslakan ya modelo na insulation-pipe et kaiba so:

· 140 × 100- 5-1/2" BTC, koneksyon OD nipaakar ed154 mm, say belat na yunit et manga31 kg/m, say karukey na reperensya et manga1429 cm, outer-pipe classN80 139.7 × 6, outer-pipe pressure strength mangaMas baleg nen say 23 MPa, inner-pipe classN80 108 × 4, inner-pipe pressure strength manga Mas baleg nen o mipara ed36 MPa, thermal conductivity ed 100℃dutyλ < 0.02 W/(m·K)

· 189 × 62 - 3-1/2" NU, koneksyon OD nipaakar ed108 mm, say belat na yunit et manga15.2 kg/m, say karukey na reperensya et manga39 ft, paway a tuboN80 89 × 4,say biskeg na presyon na tubo ed paway et mangaMas baleg nen say 25.8 MPa, loob na tuboJ55 70 × 4, inner-pipe pressure strength ya mangaMas baleg nen say 38 MPa, thermal conductivity ed 100℃dutyλ < 0.02 W/(m·K)

· 1219 × 182- 8-5/8" SC, koneksyon OD nipaakar ed233 mm, say belat na yunit et manga65.7 kg/m, say karukey na reperensya et manga70 ft,tubo ed paway 20# 219 × 7, outer-pipe pressure strength mangaMas baleg nen say 9 MPa, loob na tubo20# 196 × 6, inner-pipe pressure strength ya mangaMas baleg nen say 13 MPa, thermal conductivity ed 100℃dutyλ < 0.02 W/(m·K)

· 1114 × 81 - 4-1/2" BTC, koneksyon OD nipaakar ed127 mm,say belat na yunit et manga22.6 kg/m,say karukey na reperensya et manga96 ft, paway a tuboN80 114 × 5,say biskeg na presyon na tubo ed paway et mangaMas baleg nen say 24.3 MPa, loob na tuboN80 89 × 4, inner-pipe pressure strength ya mangaMas baleg nen say 43 MPa, thermal conductivity ed 100℃dutyλ < 0.02 W/(m·K)

Importante irayan detalye lapud say pansaliw na insulated-pipe et matalag ya nadetermina ed thermal performance labat. Say klase na koneksyon tan say OD na panag-apiger et mangaapekta ed clearance na ondadalagan, say inka-compatibility ed wala lan istruktura na bobon tan say inka-praktikal na pangi-install ed uma. Say pangiyarum ed sarayan detalye na model-level ed pahina et manggawa ed diskusyon ya mas mausar parad parehon engineering review tan panangikompara ed panagsaliw.

Say rota mi ed panaggawa na insulated tubing et adesinyo nipaakar ed inkamatoor na vacuum annulus tan ontan met ed mekanikal a pakayari:

1. Anggapoy tahi ya panagparaan na tubo– saray paway tan loob ya tubo et ginawa manlapud mainit-nilukot ya anggapoy tahi ya tubo, pinuteran ed karukey, pinainit-inpainit tan 100 % NDT-in-check. Saray tapew et pinaltog pian naseguro so maong ya pankakasakey tan kalinisan.
2. Insulation assembly– say loob na tubo et binalkot o binalkot na perlite / glass wool, reflective foil tan spacers unong ed pinilin thermal grade, insan isuksok ed paway na tubo.
3. Pre-stretch tan welding– say kontroladon pre-stretch et iyaplika ed loob na tubo, insan say duaran sampot et i-welding pian nasara so annulus legan ya mansiansian aka-align.
4. Vacuum processing– say annulus et ipaway ed nibaga ya lebel na vacuum; saray getters et na-activate pian mansiansian abeba so pressure legan na bilay na string.
5. Leak tan vacuum integrity tests– saray weld tan vacuum ports et nasubok (NDT tan leak tests) pian nakumpirma so annulus tightness.
6. Say thermal conductivity test– saray sample joints manlapud kada batch et ondalan ed λ testing pian naseguro so insulation grade.
7. Say panag-thread tan panag-finish– saray koneksyon et makina, nasukat ed API 5B odino premium iran drowing, saray sinulid et na-phosphated tan naprotektaan, tan saray kasukasuan et namarkaan tan naimpake parad transportasyon.

Say kompleton kadena na saray test– mekanikal, NDT, vacuum, thermal tan thread inspection – et akakonekta edbilang na petang tan bilang na kasukasuan, tan nidokumento ed EN 10204 3.1 / 3.2 ya pakete parad aprobasyon na proyekto.

Say rota na produksyon et nayarin mas malinew ya deskribien bilang panagparaan tan panag-upset na sampot na tubo, panag-heat treatment, panag-inspeksion, panag-cut na fixed-length tan panaglinis na loob/paway na tapew; panagbalkot na aluminum foil tan saray materyales ya pang-insulasyon; panagtipon na paway tan loob iran tubo; antis na panag-unat tan panag-welding; vacuum extraction ya walay leak checking tan X-ray inspection; annulus-vacuum stabilization; thermal-conductivity testing; tan saray unor ya operasyon a singa say panag-thread, hydrotest tan panag-impake ed arum a bansa. Sayan ekstran deskripsion na proseso et makanakanan idagdag lapud mangiter ed saray managsaliw na mas malinew a dalan na pangawat manlapud raw tube anggad finish insulated joint.

Diad punto de bista na panagsaliw, say isyu ed komersyo et aliwan no kasin say produkto et onggapo ed abeban heat loss, noagta no kasin say annulus et mansiansian selyado, no kasin say weld area et mansiansian malet kayari na thermal cycling tan no kasin saray asumpal ya joint et nayarin ibulos ya walay repeatable threading tan traceable inspection records. Saya so rason no akin ya say QA section et nepeg ya mansiansian akapeket ed thermal test, vacuum integrity, NDT, connection inspection tan dokumentasyon ya saniiba imbes ya ipasen iratan ya nanduruman claims.

Dakel so resulta na panag-anap paradinsulated tubingtalagan manutukoy ed saray produkto ed tapew a singa saypre insulated PEX tubingparad district-heating loops,pre insulated copper tubingparad HVAC,insulated heat shrink tubingparad saray kable na kuryente, odino saray branded ya bengatla a singadekron insulated tubinguusaren ed saray kagawaan ed industriya. Sarayan produkto et mausar ed lawak da, balet taag-adesinyo parad down-hole 350-400℃ya serbisyo, atagey ya collapse loads odino saray kakaukolanen na API 5CT.

Say octal et mangiiter na sananey a kategorya:steel vacuum insulated tubing parad oil, gas tan geothermal wells. Say produkto mi:

• manguusar na API 5CT-grade steel tubes imbes ya plastik o gansa.
• et ginawa pian mangawit na singaw tan makapawala na pluido ed silong na atagey a presyon diad kaaralem.
• mankakasakey ed OCTG casing strings, wellhead equipment tan down-hole tools.
• tan ondalan ed parehon lebel na OCTG testing a singa say production tubing, nilikud ed vacuum tan thermal tests.

Kanian no kaukolan na proyekto yopre insulated PEX tubingodinopre insulated copper tubingparad saray linya ed tapew, saratan et nanduruman produkto; no kaukolan moy insulated steel tubing ya makapansiansia ed mismon bobon,Octal vacuum insulated tubingso manepeg a solusyon.

Say Octal et mangiiter na sananey a kategorya: steel vacuum insulated tubing tan insulation pipe parad oil, gas, geothermal tan hot-water wells. Say produkto et ginawa ed saray asero ya tubular imbes ya plastik odino gansa, adesinyo pian mangawit na singaw odino ambetel a pluido diad silong na kondisyon na bobon, mikonektaan ed saray OCTG strings tan kagawaan ed downhole, tan ondalan ed mekanikal, thermal, vacuum tan koneksion- ya kalidad a kontrol.

Say sakey nin pandumaan et sayan pamilya na produkto et ag nepeg ya talosan bilang steam-injection tubing parad saray oil well. Kaiba met ed saya so insulation-pipe route parad geothermal heating, geothermal power generation tan hot-spring wells, ya say balor et nasukat ed mas atagey ya temperatura na outlet, mas maong ya preserbasyon na petang tan mas mabiskeg ya single-well heat-extraction efficiency.

Kontaken natan

FAQ

 

 

FAQ 1 – Kapigan ko nepeg ya usaren so insulated tubing imbes ya regular ya tubing?

Usarvacuum insulated tubingdiad steam injection (CSS / SAGD), deep-water heavy-oil, geothermal tan permafrost wells, odino no iner so problema ed wax, hydrates odino atagey ya temperatura na annulus. Saya so mamapaabeba ed pangusar na gasolina, manproprotekta ed casing tan ontulong pian mansiansian onaagus so produksyon.

FAQ 2 – Anto ray sukat tan grado na insulated tubing?

Mansusuplay kamiinsulated tubingbase ed API 5CT tubing manlapud2-7/8"×1.9" anggad 7"×5-1/2", diad saray grado a singa say N80, L80 series tan Q125, a walaan na BTC odino premium gas-malet iran koneksion, R2/R3 iran karukey tan mipara iran insulated pup joints.

FAQ 3 – Antoy temperatura tan k-values ​​ya sarag na Octal insulated tubing?

Say Octal Pipe VIT et adesinyo parad anggad manga400 degreesingaw odino ambetel a danum. Saray nanduruman grado na insulasyon et mangiyoopresi na abeban k-values ​​ya anggad manga0.002–0.006 W/(m·℃), ya mangiiter na mas abeban heat loss ed wellbore nen say conventional production tubing.

Saray sertipikasyon

 

CE Certificate

ISO 9001 Certificate

API Q1 Certificate

ABS Certificate

AP-5L Certificate

API-5CT Certificate

 

Klase na serbisyo:steam injection (CSS / SAGD), heavy-oil production, deep-water, geothermal, permafrost wells

Istruktura:konsentrikon doble-padir ya anggapoy tahi ya asero ya tubo, inekal ya annulus ya walay multilayer ya insulasyon

Say sukat (paway × loob):

73 × 40 mm (2-7/8" × 1.9")

89 × 50 mm (3-1/2" × 2-3/8")

114 × 76 mm (4-1/2" × 3-1/2")

140 × 101 mm (5-1/2" × 4-1/2")

178 × 124 mm (7" × 5-1/2")

Karukey:Range 2 (R2) tan Range 3 (R3), wala ray insulated pup joints

Saray grado na asero:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 tan arum niran grado na API 5CT

Koneksion:API BTC bilang estandarte, opsyonal ya gas-malet ya premium ya koneksyon

Saray grado na petang (k-value):dakel a lebel na insulasyon, k anggad manga . 0.002–0.006 W/(m·℃) depende ed grado

Max. temperatura na operasyon:anggad manga 400℃(depende ed aplikasyon-)

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