
Casing hte hka htung
Grades J55 – Q125 gaw n-gun n rawng ai kaw nna ultra-sung ai hka htung ni a matu
OCTG hkum tsup ai: shingnip, hka htung, matut mahkai ai lam ni hte pup joint ni
Madang hte manu dan ai matut mahkai lam ni – BTC, LTC, STC, EUE, NUE
MTC 3.1 / 3.2 hte masum ngu na-hpung jep joi ai lam hte hkum tsup hkra hkan tam mai ai galaw shapraw ai lam
N-gun ja ai, hkrat sum ai hpe ninghkap lu ai hte n-gun ja ai-service ngang grin ai a matu engineer galaw da ai
OCTG Casing hpe galaw ai ladat|API 5CT tsaw ai-n-gun ja ai sau htu shara
API 5CT madang hpe hpaw tsun dan ai
Sau hte wan sau hta na shingnip hte hka htungOCTG masa langai hku nna kaja wa bungli galaw ai. Daishingkyitstring ni gaw hka htung hpe ngang grin shangun nna, npawt nhpang ni hpe garan tawn da ya nna, npu hte lamu ga kata na hka hpe makawp maga ya ai, dai aten htahka htungsau, wan (sh) injection fluids ni a matu galai shai mai ai lwi ai lam hpe jaw ya ai. Anhte design galaw ai shaloi .API 5CT shingnip hte hka htungProgram hta, anhte gaw n-gun hpring ai lam hpe yu ga ai – gap hkat ai, hkrat sum ai, n-gun hte annular n-gun – dai majaw casing hkum hkrang,
Octal Pipe gaw 1 hte sha bungli galaw ai.API 5CT–license lu ai hka htung ni hpe tara shang API Composite List hta bang da ai, hkan tam mai ai galaw shapraw ai lam, jep chyoi da ai nlung hpaji, hte hkan sa ai hku nna hkum tsup ai masat da ai lam ni hpe madi shadaw ya ai.API 5CT (11 lang ngu na shapraw ai)HteAPI Q1/ISO 9001:2015quality hpe hparan ai ladat ni hpe galaw ai.
Hpyen n-gun hte jak rung a atsam marai ni
API 5CT grade ni gaw, n-gun n law ai, n-gun n law ai sau hka htung ni kaw nna, ultra-sung ai HPHT wan hka htung ni du hkra, hka htung masa amyu myu - hpe hkap la lu na matu galaw da ai re.
Grade shagu hta, n-gun shayawm ai n-gun, n-gun shayawm ai n-gun, galu kaba ai lam ni a matu masat da ai shadawn sharam ni nga ai, dai gaw n-gun shayawm ai, n-gun shayawm ai, kata na n-gun shayawm ai npu hta jak rung n-gun hpe ngang grin hkra galaw ya ai.
| Madang | Laksan jai lang ai lam | Hkai sun n-gun (MPa) | N-gun n-gun (MPa) | Min. Galu ai (%) |
|---|---|---|---|---|
| J55 | N-gun n law ai, n-gun n law ai hka htung ni | 379–552 | minit 517 | 19–21 |
| K55 | Ka-ang hkup sung ai, manam pyaw ai daw jau ai lam | 379–552 | minit 655 | 19–21 |
| N80 amyu 1 | Ka-ang hkup-sung ai, madang dep ai magam bungli | 552–758 | minit 689 | 18–20 |
| N80 Q | Q&T amyu myu gaw bung ai ngang kang ai lam hte | 552–758 | minit 689 | 18–20 |
| L80 (13Cr/9Cr) | CO2 / H2S ntsin ai grup yin | 552–655 | minit 655 | 18–20 |
| C90 | Sung ai hka htung ni, hka ja ai magam bungli | 621–758 | minit 689 | 15–18 |
| T95 | HPHT / grai sawng ai | 655–758 | minit 724 | 15–18 |
| P110 | Sung ai, tsaw ai-n-gun dat jai lang ai lam ni | 758–965 | 862 minit | 15–18 |
| Q125 | Grai sung ai HPHT hka htung ni | 862 hta grau kaba ai (sh) maren sha re. | 931 hta grau kaba ai (sh) maren sha re. | 12–15 |
Elongation ngu ai gaw API 5CT Appendix F hta n daw n htum shi yang na kaji dik htum n-gun hpe tsun mayu ai.
Octal Pipe gaw bungli galaw ai ni hte EPC ni hpe garum ya ai.grade lata ai, hkrat sum ai hte kapaw ai hpe ninghkap ai lam hpe sawk sagawn ai,HteH2S / CO2 htap htuk ai lam hpe jep joi ai lamstring langai hpra gaw masing a lamu ga masa hte hkrang shapraw ai envelope hte htap htuk hkra galaw na matu.


API 5CT Casing hte Tubing: Hkai sun manghkang ni hpe mari ai ni pat shingdang mayu ai
API 5CT shingnip hte hka htung hka htung ni"madang langai hpe hkan sa na matu" n mari ai. Dai ni hpe hka htung hpe ngang grin nna lwi nga hkra mari da ai-hka lwi ai, pat shingdang ai, annular pressure mau hpa lam ni, shing nrai hkap la ai lam hta manghkang n nga aisdai gaw downtime de gale mat nna bai galaw ai.
Law malawng manu jahpu gaw hkrat sum kaba langai kaw na n pru ai. PO ntsa na scope gap kaji ni hku nna hpang wa ai tau hkrau chye lu ai bungli galaw ai bawnu machyi ai lam ni kaw na pru wa ai.
1.Casing a dinghpring ai lam hte annular n-gun hpe gawgap ai-up
Operator ni mu lu na ren kaja ai annulus n-gun, n-gun n-htum ai (sh) annuli lapran na n-gun n bung ai. Trigger ni gaw law law lang .dinghpring ai lam hte seng nna, n kaja ai garan ginhka ai lam, n-gun n rawng ai, shing nrai, hten za mat ai thread/couplings ni-bai manghkang gaw grau sawng wa ai gaw, galaw shapraw ai manghkang sha n rai, pat shingdang ai lam/well integrity bawngban ai lam byin wa ai majaw re.
2.Plug galaw nna pat shingdang ai (wax/scale/sand/debris)
Artificial lift (sh) galaw shapraw ai aten hta, pat shingdang ai lam ni gaw .shayawm ai, n grin ai n-gun, pump load grau law ai, shing nrai, ayan san seng ai. Rudi lam gaw "pipe quality" sha n law ai-dai gaw 100 hpe kayau kaya galaw ai re.lwi ai masa + n-gun rawng ai lam + kata na n-gun n rawng ai lam + n-gun n rawng ai lam ni hpe hkang ai lam hte san seng ai lam.
3.Hka lim ai majaw hkrat sum ai lam ni (CO2/H2S, chloride law ai hka hpe htu kau ai)
Corrosion manghkang ni gaw hkap la ai shaloi dramatic hku n mu ai. Shanhte gaw hpang de 1 hku nna dan dawng wa ai.hka lim ai, hka pru ai, hte hprawng hkawm ai aten hpe kadun shangun ai, grau nna, sour (sh) wet CO2 service hta, nlung hpaji, n-gun ja ai lam hpe hkang ai lam, jep joi ai lam ni hpe asan sha n ka da ai shaloi.
4.Rig ntsa hta -hpang hkrat ai hte cross-threading galaw u
Manu dan dik htum hkrat sum ai lam gaw, sanghpaw li masha ni la nga ai aten hta byin ai hkrat sum lam re. Dai string gaw hkrak hkrak n galaw yang, aten hpe lawan ai hku sum mat ai. Kalang lang byin ai lam ni:kayau kaya matut mahkai ai lam amyu myu, hten za mat ai sumri ni, sumri shadawn ai sakse n nga ai, shing nrai n asan sha matut mahkai ai lam.
Hkai sun hta manghkang ni hpe pat shingdang ya ai Octal Pipe hpe hkang ai
| Nang koi mayu ai ginra manghkang | Octal Pipe gaw hpa hpe n htaw sa shi yang hkang ai | Sakse hku nna anhte jaw ai lam (na a document pack hta) |
|---|---|---|
| Tubing hka lim ai hpang-up (sh) bungli galaw ngut ai hpang | Anhte gawmatut mahkai ai lam + matut mahkai ai lamna a PO de (NUE/EUE (sh) gas-tight premium) de, matut mahkai na matu jin jin rai nga sai lam hpe shapraw ai chyinghka hku nna hkam la u ("default" thread ni n nga ai). | Matut mahkai lam hpe chye ginhka lu ai lam + hkan tam lu ai lam, Htethread gauging sakse hpe tsun da ai shaloi; torque-kayin ai mahtaitsun da ai shaloiseal hpe jep chyoi na matu. |
| Rig-maga de galaw ai-hpang hkrat ai / lai di ai-hpang | Anhte gaw thread masa hpe hparan ai hku nna hparan ga ai:sumri makawp maga ai ni, ngang grin ai hku shinggrup da ai, asan sha masat da aimixed-string hte htaw sa ai lam ni hpe n hkra hkra makawp maga na matu. | Packing jahpan hpe madun da aimakawp maga ai shara + shinggyin lamu ga sumla, masat da ai jahpan / tally madi shadaw ai lam hpe lot/bundle ID ni hte matut da ai. |
| Annular dip sha ai lam mau hpa / dinghpring ai lam manghkang ni | Anhte gaw jep joi ai lam hpe na aPO/ITPdai majaw integrity- hte seng ai jep joi ai lam hpe lachyum shaleng da ai ("chyam dinglik ai lam n nga ai"). | Hydrotest jahpan hpe tsun da ai shaloi, masat da ai shaloi hka lim ai lam hpe ka da ai, NDT shiga ni (UT/ECT/MPI)tsun da ai shaloi sheladat + shingdu labau + mahtai ni hte. |
| Hka htung hpe pat shingdang ai lam (wax/scale/sand/debris) | Anhte tsi lajang aikata na jasan jaseng ai lam hpe hkang aihte delivery scope a daw langai hku nna asan sha chye na ai lam-dai majaw string gaw koi gam mai ai pat shingdang ai lam n nga ai sha hkawm sa nga ai. | Drift saksetsun da ai shaloi, dai hta n-ga, shut ai-string hpe galaw ai hte bai galaw ai hpe shayawm ya ai dimensional record ni hte tally/marking ni hpe mung jat bang ai. |
| CO2/H2S magam bungli hta n-gun n rawng ai majaw hkrat sum ai lam ni | Anhte gaw service notes ni hpe aten dep (CO2/H2S / hka htum ai / nbung katsi ai) hte order hpe scope galaw ai majaw, arung arai lata ai lam hte jep joi ai lam hpe myit mada ai lam ni hta n tawn da ai. | MTC/CMTR hpe hkan tam mai ai; sour-service hte seng ai ra kadawn ai lam ni hte jat nna jep joi ai lam ni hpe ka da aitsun da ai shaloiPO/ITP hta nga ai. |

Matut mahkai lam amyu myu hte hpaji masa lata la mai ai lam ni
Casing matut mahkai lam ni
| Hpan | Sanglang dan ai lam | Laksan lang ai |
|---|---|---|
| STC– Kadun ai grup yin n-gang hpe shingdaw ai | Standard grup yin sumri, loi ai hku galaw-up | Shallow hka htung ni / n-gun n law ai |
| LTC– Galu kaba ai shingkyit hpe shingdaw ai | Galu ai thread matut mahkai ai lam, grau kaja ai lit garan gachyan ai lam | Medium kaw nna sung ai hka htung ni |
| BTC– Buttress n-gang hpe matut mahkai ai lam | Trapezoidal hkrang hte n-gun ja ai | Sung ai / tsaw ai-n-gun rawng ai hka htung ni |
| Premium Gas-N-gun ja ai | Hpri-to-hpri dazik, torque lahpa hkrang | HPHT hte panglai hkin-gau ntsa bungli galaw ai lam ni |
Tubing matut mahkai lam ni
| Hpan | Sanglang dan ai lam | Laksan lang ai |
|---|---|---|
| EUE– Shinggan na myit n pyaw ai lam htum mat ai | N-gun ja ai lit ni a matu n-gun ja ai jahtum hte coupling matut mahkai lam | Standard galaw shapraw ai hka htung |
| NUE– -N myit n pyaw ai jahtum | Dingyang jahtum, n-gun yawm ai hte manu jahpu | Ka-ang hkup daw jau ai application ni |
| Hkum tsup ai / manu dan ai hka htung | Machine hte galaw ai n-gun rawng ai n-gun (sh) magri-seal amyu | Gas / hka ntsin / hka ja ai magam bungli |
Threaded matut mahkai lam yawng gaw 1 hte maren rai nga ai.API 5B shadawn shadangmadang ni hpe hkan sa nna, torque-turn chyam dinglik ai, seal-hkum tsup ai lam hpe jep yu ai, hte jak rung n-gun hpe shingdaw ai hku nna jep joi ai lam galaw ai.
Octal Pipe hte hpa lu la na
Octal Pipe gaw Miwa mungdan hta nga ai OCTG Casing hte Tube galaw shapraw ai company langai hku nna bungli galaw nga ai rai nna, pipe, threading hte coupling ni hta ngang kang ai hku kanawn mazum ai lam nga ai, dai hta n-ga, factory kaw na digital hku nna masat da ai lam ni hpe tau hkrau hkang lu ai, bundle list ni hte hkan tam lu ai lam ni hpe koi gam lu ai majaw, ca hkap la ai aten hte rig ntsa hta aten ladaw ni.
Nang mari ai shaloi .OCTG hka htung, "akyu" ngu ai ga si n re-dai gaw, garan jaw ai wa a .arung arai ni hte galaw sa wa ai lam hpe hkang aishawng ningnan lang hkap la ai lam hpe lai di lu ai thread, coupling, pipe body ni hpe ayan shapraw ai. Octal Pipe hte, nang gaw hkang lu ai lahkam ni hte jep joi lu ai pru wa ai lam ni a grup yin hta gawgap da ai supply program hpe lu la na re:
- Bai galaw mai ai make-up a matu hkang zing da ai threading hpe gawgap da ai:galaw shapraw ai lam hpe ngang grin ai threading lailen ni hte jep joi chyinghka ni grup yin hta hpaw da ai, dai majaw nang order galaw ai matut mahkai lam gaw nang hkam la ai matut mahkai lam-madi shadaw aithread gauging sakse hpe tsun da ai shaloihte asan sha matut mahkai ai lam hpe chye lu ai (STC/LTC/BTC; EUE/NUE; manu dan ai lata la mai ai lam ni).
- Couplings ni hpe ahkyak ai daw langai hku nna masat da ai, accessory langai hku n re:coupling processing hpe matsun da ai grade hte service hte maren hkrak hkra hparan ai, jep joi ai lam ni hpe galaw ai shaloi, grau sawng ai field complaint-connection- hte seng nna ningdang kau ai lam ni hte aten garai n du yang n-gun yawm mat ai lam ni hpe shayawm ya lu ai.
- Project a tengman ai lam hte htap htuk ai jep joi ai atsam:na a PO/ITP kaw nna shaga ai shaloi, jep chyoi ai lam hpe masat da ai shingdu labau (ladat + shinggrup ai lam + hkap la ai lam a npawt nhpang) hte galaw nna, shiga hku nna jaw ya ai-dai majaw "NDT / hydrotest / drift" gaw marketing ga si n re ai sha, shadawn shadang mai ai pru wa ai lam ni rai nga ai.
- Bungli galaw ai lam hta Traceability hpe gawgap da ai:heat/lot mapping hte masat masa galaw ai lam hpe packing du hkra galaw ai, n-gun dat ai package (MTC 3.1/3.2, ra ai shaloi masum ngu na-party hpe jep joi ai lam) hpe QA/TPI hpe bai maram yu na matu hkyen lajang da ai, n-gun dat ai hpang -shagun dat ai laika hpe hkan tam ai n re.

Casing hte Tubing galaw ai company ni hte bungli galaw ai
Delay law malawng gaw 1 hte interface kaw byin ai.Casing hte tubing galaw ai magam bungli company ni-pipe grade shut ai majaw n re, string hpe n mai shapraw nna hkrak hkrak n mai galaw ai majaw: tally gaw bundle ni hte n htap htuk ai, thread ni gaw re-hkap la ngut ai hpang awu asin re ai (sh) hkra machyi ai hku du wa ai, shing nrai drift/make-up myit mada ai lam ni hpe galoi mung n hpaw ai. Procurement hku yu yang, kaja ai .OCTG pipe magam bungli nin-gun jaw ai lam hpe rig-floor tengman ai lam a matu hpaw da ai kun ngu ai hta madung nga ai, n-gun jaw ai laika buk ni hpe sha n-ga.
Octal Pipe gaw ndai ap ya ai lam hpe htaw sa ai lam a daw langai hku nna woi awn ai: htaw sa ai lam hpe shinggyin la nna, hprawng hkawm ai ladat hte maren masat da ai, htaw sa ai lam hte wang kata htawt sit ai lam ni a matu thread ni hpe makawp maga da ai, laika pack hpe hkyen lajang da ai majaw hkap la ai wa gaw n nga mat ai sakse ni hpe n hkan shachyut ai sha, lamu ga hpe yeng seng kau lu na re. Yaw shada ai lam gaw asan sha re-hprawng hkawm ai hpung ni gaw joint ni hpe shinggyin hpang wa ai shaloi, ID ni hpe bai-chyeck galaw na matu, thread ni hpe bai-san seng hkra galaw na matu, shing nrai hkap la ai lam a npawt nhpang hpe ndang kalang galaw na matu n hkring n sa galaw ma ai.
PO hpe lock galaw na lam lahkawng (running crew ni rig aten n sum hkra):
- Tally + hkam la ai sharin achyin ai lam:joint ID hkrang, bundle hpung hku garan ai, packing/mark galaw ai jahpan hpe shingdaw ai, hte hkan tam mai ai lam hpe masat da ai (PO/ITP hta tsun da ai shaloi).
- Run-hkap la na matu jin jin rai sai:drift npawt nhpang (API vs laksan drift), matut mahkai ai lam amyu, hte gara thread hpe shadawn ai / torque-turn sakse ra ai (PO/ITP hta tsun da ai shaloi).
OCTG Pipe baw matut mahkai lam
- Casing hte tubing bawnu hte htuk manu ai lam: Hanger hte wellhead interface ra ai lam ni hpe aten dep masat da u, shing rai yang drift/ID hte matut mahkai lam lata ai lam ni gaw install galaw ai shaloi n bung hkra galaw u.
- Matut mahkai ai lam hte pat da ai lam: OCTG pipe matut mahkai ai ladat hpe hka htung baw hte maren shadawn nna, pressure-up galaw ai shaloi hka n pru hkra galaw na matu-up practice galaw u.
- Field joint discipline: Hka htung baw make-up gaw awu asin hpe n gasat ai hku nna, makawp maga ai ni hte san seng ai n-gang ni hpe htaw sa ai hku nna tawn da ra ai.
FAQ

Hka htung kata na casing hte tubing gaw hpa shai ai kun?
Hpa majaw "to-standard" casing/tubing n-gang ni gaw hkai sun hta shawng nnan kaw nna naw lwi nga ai (sh) hkrat sum nga ai kun?
Shang wa ai hpe jep yu na matu gara laika ni hpe casing hte tubing hte rau sa ra ai kun?
Masat masa ni

CE masat laika

ISO 9001 masat laika

API Q1 masat laika

ABS masat laika

AP-5L masat laika

API-5CT masat laika
| Amyu | Parameter |
|---|---|
| Madang | API 5CT (11 lang ngu na shapraw ai) |
| Gunrai | Hpun n-gang/Hka htung + matut mahkai ai lam ni (OCTG htinggaw) |
| Tsang ni | J55, K55, N80 (N80Q), L80 (13Cr/9Cr), C90, T95, P110, Q125 |
| Matut mahkai lam ni | BTC, LTC, STC, EUE, NUE (hpaji jaw ra ai) |
| Key lata ai lam a npawt nhpang | Kapaw ai / hkrat sum ai / n-gun ja ai / Annular n-gun |
| QA ginra (ra sharawng ai) | NDT, hka chyam dinglik ai, hka lim ai, n-gang shadawn ai (ra ai hku) |
| Laika ni | EN 10204 3.1/3.2 MTC + hkan tam mai ai htinggaw (ra ai hku) |
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