API 5CT Casing hte Tubing a matu Premium matut mahkai lam ni hpe galoi aten hta ra ai kun?

Hka htung langai mi hta,shingkyitHtehka htungstrings ni gaw asan sha mu lu ai: OD, n-gun, grade, drift. Hkai sun hta, hka lim ai lam hte dinghpring ai lam manghkang ni gaw pipe hkum hkrang hta galoi mung n byin hpang ai daram rai nga ai – matut mahkai ai lam ni kaw nna hpang wa ai.

API 5CTgaw casing hte tubing lahkawng yan a matu madung madang rai nga ai: dai gaw grade, shadawn shadang hte casing a matu STC/LTC/BTC hte tubing a matu NUE/EUE zawn re ai madang thread hkrang ni hpe lachyum shaleng ya ai. Conventional sau hka htung law law a matu, ndai API matut mahkai lam ni gaw, jaw ai mahtai naw rai nga ai. Raitim, high‐pressure gas hka htung ni, HP/HT bungli, galu kaba ai n-gup magap daw ni hte grai cycle galaw ai hka htung ni hta, hkrit tsang hpa ginjaw gaw n-gang hkum hkrang kaw nna matut mahkai hkrang de galai mat wa ai. Dai kaw she laksan / premium matut mahkai lam ni shang wa ai.

API 5CT hte API 5B gaw casing hte tubing a matu madung thread dinghku ni hpe tsun dan ai:

Casing

• STC – Kadun ai Thread Coupled (kadun ai round)
• LTC – N-gang galu hpe shingdaw nna (galu ai shingnip)
• BTC – Hkap la ai sumri hpe matut da ai

Tubing

• NUE – N myit n pyaw ai jahtum
• EUE – Shinggan na myit n pyaw ai lam htum mat ai

Ndai madang matut mahkai lam ni gaw:

• Lamu ga law law hte htunghking hka htung ni a matu n-gun ja ai (tension, compression, torque)
• Manu jahpu n jaw ra ai sha, law law lu mai ai
• Rig crew ni hpe chye ai, htuk manu ai arung arai ni hte hpring tsup ai ecosystem hte

Raitim, n pyaw hpa tengman ai lam lahkawng nga ai:

• API shingnip shingna (STC/LTC) ni hpe n-gun kaba ai shara hta hkum tsup ai hku gas‐tight byin hkra n galaw da ai; shanhte gaw thread compound hte shingjawng ai lam hpe grai kam hpa ma ai.
• BTC pyi, npawt nhpang atsam hpe shawng tawn nna, gas‐tightness hpe lahkawng ngu na hku tawn da ai.

Moderate pressures ni a matu, law malawng gaw liquid service hte grai loi ai lam ni a matu, ndai hpe hkap la mai ai. Pressure, gas daw, nbung katsi ai hte n bung ai lam ni rawt jat wa ai hte maren, matut mahkai maga de "kaja ai" ngu ai gaw "design margin eroded" zawn grau byin wa ai.

Hka htung ni gaw, n-gun rawng ai envelope hta lai nna, casing matut mahkai lam ni hpe gram lajang ai lam sha n rai sai. Tubing gaw ahkyak ai leak lam hte fatigue hotspot mung byin wa chye ai.

Lahta na nkau mi teng ai shaloi, Premium (sh) special connection ni hpe myit yu chye ai:

• Hpa majaw nga yang, n-gun kaba ai wan hka htung ni hta, n-gun kaba ai n-gun gaw grai myit tsang hpa rai nga ai.
• HP/HT hte hka sung ai hka htung ni hta hpawng de ai gap hkat ai, hkrat sum ai hte n-gun ja ai lit ni law ai
• Extended‐reach hte grai htingnut mat ai hka htung ni hta grai htum mat ai hte dogleg grai sawng ai
• Gas hpe shinggyin tawn da ai, CO2 bang ai hte kabai kau ai hka htung ni hpe chyahkring hkring pressure cycling galaw ai
• Grai sawng ai n-gun ja ai daw jau lam, n-gang npawt kaw n-gun yawm wa ai hte rawt jat wa ai hpe ngang ngang jum tek da ra ai
• Pipe hkum hkrang masat masa ni hte maren (sh) lai di lu na matu matut mahkai ai lam hpe asan sha ra ai hka htung hkrang shapraw ai lam ni

Ndai hka htung ni hta, STC/LTC/BTC hte NUE/EUE ni hte rau nga ai gaw, "n shim lum ai" ngu ai lachyum n re – raitim, matut mahkai ai lam galaw ai envelope gaw design envelope hte grau ni htep ai hku dung nga ai ngu ai lachyum rai nga ai. Torque, ntsa lam hpe gram lajang ai lam, make‐up galaw ai lam (sh) bungli galaw ai masa ni hta galai shai ai lam ni gaw, system hpe manghkang de shadut ya lu ai.

Premium / laksan matut mahkai lam ni gaw API 5CT pipe hkum hkrang ni hta dung nga ai, raitim shanhte gaw gara hku matut mahkai ai lam hpe pat da nna lit hpe gun hpai ai lam hpe galai shai kau ya ai. Law malawng gaw ahkyak ai lam nkau mi hpe garan gachyan ma ai:

Hpyen hte hpri dazik ni
Thread compound hpe sha kam hpa na malai, premium design ni hta make‐up torque hta grai law ai matut mahkai n-gun hpe shabyin ya ai metal‐to‐metal seal shara langai (sh) law law lawm ai. Ndai lam gaw shanhte hpe n-gun hte nbung katsi ai npu hta gas‐tight galaw lu ai atsam hpe matut manoi galaw lu shangun ai.

Torque lahpa
Lachyum shaleng da ai torque shoulder gaw make‐up ngut ai shaloi kaja ai hku jahkring kau ya ai. Dai gaw torque hpe hkang lu ai atsam hpe grau kaja hkra galaw ya ai, over‐torque hkra machyi na hpe shayawm ya ai, deviated hte ERD hka htung ni hta bending hte torsional atsam hpe jat ya ai.

Kaja dik htum ai sumri geometry
Re‐engineered thread hkrang ni gaw myit ru myit tsang lam hpe shayawm ya nna, grau nna shingjawng ai thread flank ni hta lit hpe garan gachyan ya ai. Dai gaw, n-gang gaw shinggrup ai, shinggrup ai hte bai kahtap nna n-gun galai shai ai hpe mu lu ai fatigue performance hpe grau kaja hkra galaw ya ai.

Flush hte semi‐flush lata la mai ai lam ni
OD rawt jat galu kaba wa na matu ahkyak ai shara ni hta – liner tops makau, tie‐back points (sh) ngang kang ai pat shingdang ai lam ni – flush (sh) semi‐flush matut mahkai lam ni gaw n-gun atsam hte shinggrup da ai lam hpe naw jaw ya ai sha n-ga, hkang zing da ai OD hpe makawp maga ya nga ai.

Hkum tsup ai atsam marai
Dai ni na aten na premium matut mahkai lam ni hpe ISO 13679 / API RP 5C5 (sh) dai hte bung ai full‐scale chyam dinglik ai lam ni hpe lang nna, laksan hku nna laksan masat da ai, hpawng de ai lit ni hpe shinggrup ai, cycle jawn ai hte, law malawng hta, shinggrup ai lam ni hpe shinggrup da ai. Dai gaw, single‐axis chyam dinglik ai lam ni sha n-ga, field‐like envelopes npu hta matut mahkai lam gara hku galaw ai hpe tengman ai hkrang sumla jaw ya ai.

Ndai akyu ni gaw casing hte tubing lahkawng yan hta ahkyak ai:

• Casing a matu, madung gaw, npawt nhpang yawng hpe n-gun jaw ai lam hte aten galu gas‐tightness hpe madung tawn ai.
• Tubing a matu, nang gaw workover cycle, stimulation, hka htung hpe hkang ai bungli ni hte ntsa kaw chyahkring hkring n-gun galai shai ai lam ni hpe jat bang ai.

Hka htung hkrang shapraw ai lam hta premium matut mahkai lam ni hpe ra ai shaloi, bungli gaw "laksan thread langai mari ai" n rai sai. Dai matut mahkai lam ni hpe OCTG design hte QA chain ting hta hpaw shalawm nga ai.

Tatut galaw mai ai engineering jep joi ai lam hta, law malawng gaw:

Operation envelope hpe asan sha tsun dan u

• String langai hpra a matu kaba dik htum hte kaji dik htum n-gun hte katsi ai lam ni
• Ra ai gas‐tightness hte ahkang jaw da ai ngang grin ai casing n-gun
• Myit mada ai dogleg grai sawng ai lam hte load npu hta galai shai na matu masing jahkrat da ai
• Jaw bang ai shingra tara ni hpe shachyen ya ai bungli galaw ai lam hte n-gun jaw ai masing ni

Matut mahkai na matu ra kadawn ai atsam marai ni hpe tsun dan u

• ISO 13679 / API RP 5C5 chyam dinglik madang ra ai (ga shadawn, grai sawng ai HP/HT magam bungli a matu CAL IV)
• Load envelope ni hpe shinggrup na (hpawng de ai n-gun, n-gun, kata / shinggan n-gun, ra ai rai yang shinggrup ai)
• Base pipe ra ai hta lai nna ra ai sour‐service (sh) corrosion chyam dinglik ai lam ni

Pipe hkum hkrang hte matut mahkai ai lam hpe hkrang shapraw u

• tensile, burst hte collapse galaw ai lam gaw lata la ai pipe hkum hkrang grade hte bunghku n-gun hpe hkan sa ai (sh) grau ai hpe kam u
• High‐collapse design ni a matu, matut mahkai lam gaw collapse hta n-gun kya ai daw n byin hkra jep yu u .

Shawng kaw nna jep joi ai lam, make‐up hte laika ni hpe ka da na matu masing jahkrat da ai

• Threading galaw ai shara kaw thread shadawn ai lam hte myi hte mu lu ai hku jep joi ai lam ni hpe tsun dan u
• Casing hte tubing lahkawng yan a matu make‐up torque hkuwawt ni hte yu reng ra ai lam ni hpe tsun dan u
• OCTG jahpan laika buk hte hka htung file ni hta MTC ni, matut mahkai ai atsam marai jahpan, torque charts hte gat shingjawng ai laika buk ni hpe gara hku shinggyin la na hpe masing jahkrat u .

Premium matut mahkai lam ni hpe design a daw langai hku nna hkam la ai – hpang jahtum myit ai lam n re – gaw hpang de rig kaw (sh) tara upadi hpe bai maram yu ai shaloi, ndang kalang byin wa na hpe pat shingdang ai lam rai nga ai.

Operator law law gaw, galaw shapraw ai casing hpe premium, gas n shang ai matut mahkai lam de htawt sit kau sai raitim, standard EUE/NUE tubing hpe naw galaw nga ai. Hkrit tsang hpa grau law ai hka htung ni hta, ndai gaw n-gun kya ai n-gun hpe casing kaw nna tubing de htawt kau ya ai.

Premium tubing matut mahkai ai lam ni hpe tara shang galaw ai masa ni hta:

• Gas hka htung ni hte high‐GOR sau hka htung ni hta aten galu tubing gas‐tightness hte annulus pressure hpe grai hkang ra ai .
• Tubing strings ni gaw, bai kahtap nna daw mat ai, acid byin ai, hka htung hpe jasan jaseng ai hte kaga grai sawng ai shingjawng ai lam ni hpe mu lu na hpe myit mada ai
• Extended‐reach hte horizontal hka htung ni hta, hka htung ni gaw hprawng hkawm ai hte galaw shapraw ai shaloi, grai kaba ai shinggrup ai lam, katsi ai lam hte shinggrup ai lam ni hpe hkam sha ai
• Sour (sh) high‐CO2 grup yin hta matut mahkai lam a npawt nhpang gaw stress corrosion cracking byin wa na masa nga ai shara re.

Ndai hka htung ni a matu, premium matut mahkai lam ni lawm ai tubing – torque shoulder, metal seal hte optimized thread geometry ni lawm ai – gaw, hka htung ni hta hka lim ai lam hte n-gun yawm ai lam ni hpe grai shayawm ya lu nna, bungli galaw ai hpung ni hpe cycle hte n-gun dat ai shaloi (sh) n-gun ja ai lam ni hpe galaw ai shaloi grau kam hpa myit jaw lu ai.

Premium hte laksan matut mahkai lam ni gaw, API 5CT casing hte tubing program hkum tsup ai hku nna galaw ai shaloi, manu dan dik htum hpe jaw ya ai, kalang lang gram lajang ai lam n re. Dai gaw, laksan hku nna:

• Hka htung (sh) pad hku nna masing jahkrat ai: gara aten ladaw ni hta premium matut mahkai lam ni ra ai hte gara ni gaw standard API thread ni hte shim lum ai hku nga lu ai hpe tsun dan ai
• String (sh) field kata hta matut mahkai dinghku ni hpe mai byin ai daram n galai shai hkra tawn da ai, ladat ni hpe asan sha galaw na matu, spares hte crew sharin hkam la na matu
• Hpa majaw nga yang, n-gun rawng ai arung arai ni yawng a matu htuk manu ai lam hpe jep yu ai – pup joint ni, crossover ni, liner shingnip ni, packers ni, shimlam valve ni hte kaga ngut kre ai arung arai ni
• N htap htuk ai matut mahkai lam ni rig npu de n du hkra, asan sha nsam masat da ai, masat da ai hte jahpan ni hte wang kata na arung arai ni hpe jasan jaseng ai

Ndai hku hparan yang, premium matut mahkai lam ni gaw string list hta "laksan arung arai mying" langai sha n rai, hka htung dinghpring ai ladat a asan sha tsun da ai daw langai mi rai nga ai.

Q1: Gara hka htung ni hta premium (special) matut mahkai lam ni hpe grau ra ai kun?
A1:HP gas hka htung ni, HPHT/hka sung ai hka htung ni, ERD/high-deviation hka htung ni, pressure-cycling hka htung ni (gas shinggyin tawn ai/CO2 bang ai), hte grai sawng ai hka htung ni hpe galaw ai.

Q2: Premium matut mahkai lam hpe API thread ni hta grau nna gas-tight byin shangun ai gaw hpa rai ta?
A2:Metal-to-metal seal ni hte hkang zing da ai make-up (torque shoulder) gaw nbung/hpyen n-gun shingjawng ai npu hta hka lim ai hpe ninghkap lu hkra karum ya ai.

Q3: Premium connection a bungli galaw ai lam hpe n mari shi yang, hpa hpe hpyi shawn ra ai kun?
A3:ISO 13679 (sh) API RP 5C5 masat masa galaw da ai, dai hta n-ga, torque charts/hprawng hkawm ai laika buk, thread shadawn ai laika ni, MTC/jep joi laika ni hpe mung lawm ra ai.

Anhte hpe matut mahkai ga

 

San mayu ai lam ni (sh) grau chye mayu yang, anhte hpe matut mahkai mai ai. Anhte a team gaw nang hpe garum na matu jin jin rai nga sai.

• Phone: +86 186 3827 1277 / +86 372 2157660

• Email:info@octalsteel.com

• Hparen ai:2544, 25/F, Tower A, Wanda Plaza, Wenfeng Ginwang, Anyang, Henan, Miwa mung & Miwa mung, Henan, Zhengzhou, Zhengdong Ginwang Nnan, No.18 Dirun Lam, Building A,

Ya matut mahkai mai ai

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