Htu htu ai Pipe

Htu pipen-gun n rawng ai npawt nhpang ni hte welded tool joint ni lawm ai steel drill string tubular langai mi rai nna, API Spec 5DP hku galaw shapraw nna jep joi ai lam galaw ai majaw, mari la ai lam gaw hkap la ai lam, hkan tam lu ai lam, hte pipe rig de n du shi yang kam hpa mai ai lam ni hpe lock galaw lu ai.

Drill pipe galaw ai wa hku nna, Octal Pipe gaw hkang lu ai hkrat sum ai lam ni hpe madung tawn ai-tool joint welding, thread n-gun, hte htaw sa ai lam-madang jahpan ni-hpa majaw nga yang, rig delay law malawng gaw pipe hkum hkrang n re ai sha, matut mahkai ai lam kaw nna hpang wa ai.,Octal Pipe gaw d5 pipe hkum hkrang ni, API Spec 7-1 gaw shinggrup ai htu shaw ai npawt nhpang ni a matu, API Spec 7-2 gaw arung arai ni hpe matut mahkai na matu re. Ndai lam gaw, jak n-gun, dimensional hkrak ai lam, mungkan ting na htu shaw ai arung arai ni hte galai shai mai ai lam ni hpe madi shadaw ya ai.

Teng sha mari ai lam hta, drill pipe manghkang ni gaw downhole kaw nna n hpang ai-shanhte gaw 1 kaw nna hpang ai.n asan sha PSL/grade scope, n htap htuk ai matut mahkai lam/hpaji hkingrai ni, hte n lawm ai jep joi ai lam nidai gaw shang wa ai check ni hpe shayawm nna rig-side delay ni hpe galaw ya ai. Octal gaw API 5DP htu pipe hpe langai hku nna jaw ya ai.hkap la ai-jin jin rai sai: RFQ shang ai lam ni hpe asan sha chye na hkra galaw ai (API RP 7G hpe lata la ai lam hta jai lang ai), jep joi ai lam hpe masat da ai, hpang de bai galaw ai lam hte ndang kalang hkat ai lam hpe shayawm ya ai document pack ni hpe hpaw da ai.

Drill pipe ni gaw, npu na shinggrup ai ladat hpe bit hte npu na hka htung hpawng (BHA) hte matut mahkai ya ai bungli galaw ai n-gang rai nga ai. Normal drilling hta gaw, bungli masum hpe kalang ta galaw ai. Shawng nnan, shi gaw, ntsa kaw na drive (sh) shinggrup ai table kaw na, tool-joint matut mahkai lam ni hku nna, bit hpe shinggrup na matu, shinggrup ai torque hte RPM hpe htawt sit ya ai. Lahkawng, hka htung a lam galai shai wa nna, hka htung hte hka htung hte matut mahkai ai shaloi, axial load (weight-on-bit) hte bending hpe gun hpai nga ai. Masum, hka htung htu ai ntsin a matu pressure conduit hku nna bungli galaw ai: hka htung htu ai pipe kaw nna bit nozzles ni de nhpu hpe pump galaw nna, cuttings ni hpe htaw sa na matu, pressure hpe hkang na matu, bit hpe katsi shangun na matu, hka htung hpe ngang grin hkra galaw na matu annulus hpe bai nhtang wa shangun ai.

Hpa majaw nga yang, hka htung npu na grup yin gaw n ngang grin ai-masa hta, htu shaw ai n-gang gaw, sumla hta dan dawng ai n-gun ja ai mahtai ni hpe ayan hkrum sha nga ai: axial n-gun hte shock (bit bounce), maga de na n-gun hte hkrat sum ai lam (bending hte wall contact), hte torsional n-gun. Torsional vibration gaw stick–slip de byin wa chye ai, dai kaw na bit gaw kalang ta n-gun yawm mat ai (sh) n-gun yawm mat ai, dai hpang akajawng sha pru wa ai-dai gaw high peak torque hpe shabyin ya nna, matut mahkai ai lam ni hte galai shai ai shara ni hta n-gun yawm mat ai hpe lawan ladan byin shangun ai. Bit whirl ngu ai gaw, hka htung a lapran daw grup yin hta bit/BHA ni shawng de hkawm sa ai lateral n-gun n rawng ai lam re; forward hte backward whirl gaw n bung ai shingjawng/matut mahkai ai lam ni hpe tsun dan nna, lawan ai hku cutter hpe n-gun n rawng hkra galaw ya lu nna, matut mahkai lam hpe hkra machyi shangun lu ai. Ndai lam a majaw, drill pipe lata ai hte jep joi ai lam hpe OD hte bunghku n-gun sha n-ga, matut mahkai ai lam a n-gun, dimensional consistency, hte traceability ni a majaw galaw ai re.

API Spec 5DP hku nna drill pipe galaw ai company langai mi galaw da ai majaw, mari la ai lam gaw hkap la ai lam hpe lock galaw lu ai, heat-to-joint traceability, pipe rig de n du shi yang kam hpa mai ai lam hpe galaw lu ai.

Htu htu ai Pipe kaba ai

API 5DP htu shaw ai hka htung a masat da ai lam (madang, galu kaba ai lam, matut mahkai lam ni)

• Grade lata ai lam: E75/X95/G105/S135 hpe myit mada da ai n-gun, n-gun, hte htu shaw ai sung ai lamang hte maren galaw u.
• Sour / corrosive hka htung ni: CO2/H2S tendency hpe tsun dan ai majaw makawp maga ladat ni hte jep joi ai lam ni hpe maren mara galaw lu ai (dai hpe tsun da ai shaloi).
• Matut mahkai ai lam hpe hkang lu ai: Galling hte lahpa hkra machyi ai lam hpe shayawm na matu tool joint amyu hpe lata nna make-up practice galaw u.
• Hkam la ai asan sha chye na ai lam: Lawan ai hku jahpan hte yard hkap la na matu, jawm-madang masat masa + packing list ra ai.

Octal Pipe gaw, n-gun ja ai hte hkan tam mai ai galaw shapraw ai ladat hpe hkan sa nna, jak rung a hkam kaja lam hte n-gun yawm ai lam hpe hkam sharang lu na matu:

1. N-gang galaw ai & Tube hpe shinggrup ai

• 35CrMo, 40Cr, 4137H, 4145H) hpe hkang zing da ai chemistry hte galaw da ai.
• Matut manoi htu ai hte htu ai gaw, nli tum langai sha re ai hkrang hpe madi shadaw ya ai.

2. Myit npyaw shangun ai

• Pipe npawt ni hpe katsi shangun nna, Kata na n-gun n rawng ai (IU), Shinggan na n-gun n rawng ai (EU), shing nrai, Kata na-Shinggan na n-gun n rawng ai (IEU) hkrang ni hpe galaw shapraw ai.
• Upsetting gaw, laknak shingdaw ai lam a matu cross-sectional area hpe jat ya nna, matut mahkai n-gun hpe grau kaja hkra galaw ya ai.

3. Katsi ai hte tsi lajang ai

• Quenching & tempering gaw ra ai n-gun/hpyen n-gun hpe jaw ya ai (ga shadawn, S135 135,000 psi hta grau kaba ai (sh) maren sha re).
• Hkamja lam hte seng nna, hkang lu ai wan wut ai lam ni gaw, pipe galu kaba ai shara ting hta, ngang kang ai lam hpe maren mara galaw ya ai.

4. Hkrun lam hte htinggrum ai

• Hkrak ai n-gun-welding gaw, n-gun n rawng ai pipe hkum hkrang hte tool joint ni hpe matut mahkai ya ai.
• Weld zone hpe laksan thermal treatment galaw nna, n-gun n rawng ai nlung n-gun hpe lu la na matu galaw ai.

5. Mashin hte n-gang htu ai

• API 7-2 n-gang (NC, IF, REG, FH) hpe CNC hkrak hkrak hte gang je kau ai.
• Galling hpe shayawm na matu phosphate hte magri hpe bang ai.

6. Hardbanding & Ntsa hpe makawp maga ai lam

• Fe- hpe madung tawn ai, Cr-carbide, shing nrai Nb n-gun ja ai n-gun hpe jat ya ai.
• Hpang jahtum na coating hpe rust inhibitors ni hte htaw sa/hkap la na matu makawp maga na matu.

• Standard matut mahkai lam ni:API NC, rai yang, FH, REG
• Premium matut mahkai lam ni:XTTM, HTTM, lahkawng lang-hpa n-gang ni (torque & n-gun yawm ai hpe ninghkap lu na matu)
• N-gun ja ai:Wear-makawp maga layers ni hpe tool joint ni hta bang da ai majaw, rig npu hpe galai shai ai aten hpe shayawm ya ai.
• Ntsa lam tsi lajang ai lam ni:Magri hte shinggrup ai, phosphat bang ai, -galling hpe n-gun jaw ai.

API 5DP htu shaw ai pipe ni matut mahkai ai lam hte arung arai matut mahkai ai lam nirig- ntsa hta na a string gaw hkrak hkrak galaw ai kun, shing nrai, bai galaw ai hte la nga ai aten de gale mat ai kun ngu ai hpe dawdan u. "Site manghkang" law malawng gaw, mari la ai lam hta n bung ai lam masum kaw na langai kaw na pru wa ai:shut ai matut mahkai masat masa, lang ai arung arai ni hte n htap htuk ai arung arai joint dimensions ni, shing nrai .thread hpe hkang lu ai sakse n nga ai.

PO kaw hpa bang na (dai majaw Octal gaw matched system hku nna jaw ya lu na):

• Matut mahkai lam amyu:NC/IF/REG/FH (sh) na a sanghpaw li madang hkrak hkrak)
• Pin/box masing:Pin/box maga de na hte crossover ra ai lam ni hpe kam u
• Tool joint shadawn sharam:hkingrai matut mahkai OD + tong shara / elevator shara pat shingdang ai lam
• Bu hpun na matu lata la mai ai lam ni (ra ai rai yang sha):n-gun ja ai, kata na n-gup magap, n-gun ja ai hpe ninghkap ai ladat
• Makawp maga ai ginra:n-gang makawp maga ai ni lawm ai (pin & box)

Octal gaw manghkang hpe gara hku shayawm ya ai (specific, generic n re):

• Anhte gawn galaw shi yang matut mahkai masing hte arung arai hpawng de ai shadawn sharamdai majaw, sa ya ai pipe gaw, "default" thread hte n re ai sha, na a rig practice hte bung ai.
• Shipment langai hpra hta .hkan tam mai ai + shadawn shadang jahpan ni, Htethread gaging sakse hpe tsun da ai shaloi-dai majaw shang wa ai jep joi ai lam hpe email n hkan shachyut ai sha sign off galaw mai ai.
• Thread makawp maga ai ni hte stable bundling hpe hkap la ai tsin-yam hpe hkang ai lam a daw langai hku nna masat da ai, hpa majaw nga yang, make-up manghkang law malawng gaw, metallurgy n re ai sha, hparan ai lam kaw nna hpang wa ai.

mari ai lam-shawng + Octal hkang ai lam:

Rig-floor hkra machyi ai lam gaw, n htap htuk ai lang ai arung arai ni, n jaw ai tong setup, shing nrai, n hkang lu ai make-up ni a majaw byin chye ai. Octal Pipe gaw, htu shaw ai pipe hpe matut mahkai na matu lata la mai ai lam ni (NC/IF/REG/FH hte premium lahkawng lang-hpa) hte ntsa lam hpe gram lajang ai lam ni (phosphating/copper plating) ni hpe jaw ya ai majaw, n-gang gaw, n-gun rawng ai hku galaw ai arung arai ni hte san seng ai hku hkawm sa lu ai.

Tap Drill Size Madung (Shop Threading a matu, Sau htu ai Pipe n re)

Lahta na "pipe tap drill size" ngu ai ga san ni gaw, bungli galaw ai shara hta NPT n-gang ni hpe gang je kau na matu lang ai tap drill size ni hpe tsun mayu ai; shanhte gaw drill pipe OD/matut mahkai ai lam ni hpe n tsun ai. Lawan ai hku chye lu na matu: 1/8′′ NPT tap drill hpe lang ai11/32" (0.344" / 8.73 mm), 1/4′′ NPT gaw .7/16" (0.438" / 11.11 mm), hte 3/8′′ NPT gaw .37/64" (0.578" / 14.68 mm)-tap galaw ai wa a chart hte galoi mung thread series hte thread a tsa lam shadang hpe hkrak tup jep yu u.

Drill pipe grade amyu myu hpe hka htung masa langai ngai a matu galaw da ai:

• E75:Yield 75,000 psi hta grau kaba ai (sh) maren sha re. Shallow/mid-sung ai hka htung ni a matu htuk manu ai.
• X95:Yield 95,000 psi hta grau kaba ai (sh) maren sha re. Grau kaja ai ngang kang ai lam hte general-yaw shada ai grade.
• G105:Hkai sun galaw ai 105,000 psi hta grau kaba ai (sh) maren sha re. Grau sung ai hka htung ni (sh) grau tsaw ai lit ni hta lang ai.
• S135:Hkai sun galaw ai 135,000 psi hta grau kaba ai (sh) maren sha re. Sung ai hka htung ni hte HPHT masa ni a matu ra ai.

Madung jak rung masat masa ni (API 7-1 / 5DP langai hta):

• Tensile n-gun:Grade shagu a matu jahten sharun ai chyam dinglik ai lam hku nna jep joi ai lam galaw ai.
• Hkrum hkra ai lam ngang kang ai:Charpy V-notch hpe grai ahkyak ai nbung laru ni hta chyam dinglik ai.
• Hardness hpe hkang lu ai:Hpaji hkingrai 285–341 HB laksan; hkum hkrang ngang kang ai lam hpe grai sadi maja let hkang da ai.
• Katsi katsang galaw ai lam:Tool joint/hkum hkrang weld zone hpe cyclic n-gun n-gun hpe ninghkap lu na matu chyam yu ai.

Hpaga lam hta "stringent QA" ngu ai ga si n ra ai. Nang ra ainambat hkap la ai masat masahte aLaika packdai gaw shadawn ai mahtai hpe madun dan ai. API 5DP htu shaw ai hka htung (PSL-1 / PSL-2 / PSL-3) a matu, Octal gaw jep joi ai lam hpe na aPO/ITP, dai hpang, na a jep sagawn ai ni teng sha galaw ai check ni hte bung ai record ni hpe sa ya ai.

EN 10204 3.1/3.2 laika buk pack (tsun da ai shaloi):MTC/CMTR hpe nbung n-gun, chemistry, jak rung mahtai ni, hte hkan tam mai ai mapping ni hpe htaw sa ai jahpan de bang da ai.

Octal Pipe arung arai niAPI 5DP htu ai hka htung"Drill pipe in general" hpe mari ai ni n myit mada ai sha, grau nna myit tsang ai htu shaw ai lamang ni a matumatut mahkai lam hta htuk manu ai lam, n-gun yawm mat na hkrit tsang hpa, hte hkap la laika nidai gaw rig hpe n shayawm kau na re.

Deviated & directional hka htung ni (hkum hkrang n-gun yawm ai hte arung arai n-gun yawm ai lam hpe shawng madun dan ai)

Doglegs hte bai kahtap nna shingjawng ai gaw matut mahkai lam ni hpe ari jaw ai. Grau nna mari shut ai lam gaw, lock n galaw ai sha pipe hpe order galaw ai re.matut mahkai masing + hkingrai matut mahkai shadawn sharam, dai hpang make-up galaw ai shaloi n htap htuk ai lam hpe mu tam ai.

• Octal Pipe ladat:PO hta hkrak tup matut mahkai masat masa hte tool joint constraints ni hpe madi shadaw u, dai hpang thread jep joi ai lam/gauging sakse ni hte hkap la ai lam hpe madi shadaw u, dai majaw "dai gaw n galaw na re" ngu ai gaw rig-time manghkang n byin wa na re.

Offshore hte multi-hkap la ai logistics (kadai mung n sadi hkrup shi yang, thread ni hten za mat ai shara)

Pipe hpe law law lang sharawt, stage galaw, htawt sit ai shaloi, "looks fine on arrival" ngu ai gaw rig kaw sha dan dawng ai pin/box hkra machyi ai lam de gale mat chye ai.

• Octal Pipe ladat:makawp maga ai lam hpe QA- a daw langai hku nna masat un-gang makawp maga ai + ngang grin ai shinggyin da ai + kaba ai/madang/galu ai hku nna asan sha masat da ai-dai majaw na a hkap la ai nta gaw specs ni hpe n kayau ai hte na a crew ni gaw shipping hkra machyi ai lam hpe n hparan nga ai.

Sour service / n-gun ja ai htu shaw ai ntsin ni (dai shara hta kata na n-gun ja ai gaw makoi da ai manu byin wa ai)

Hka htung ni htaH2S/CO2, chlorides law ai, shing nrai, n-gun ja ai htu shaw ai ntsin ni, drill pipe hkrat sum ai lam ni gaw, string shinggan de "n kaja ai zawn" n pru shi ai aten na sai, kata na n-gun n rawng ai (sh) pitting hku nna hpang wa chye ai-dai hpang, jep joi ai aten hta aten garai n du yang ningdang kau ai (sh) n myit mada ai sha hkrat sum ai aten hku nna dan dawng wa ai.

• Octal Pipe ladat:anhte gaw na a tengman ai grup yin grup yin na order hpe maram yu ai (hka/hpyen n-gun shayawm ai ni + nbung katsi ai), dai hpang API 5DP drill pipe hpe 1000 hte jaw ai.jep joi ai lam-jin jin rai saihkap la ai lam hpe madi shadaw ya ai (MTC/CMTR + jak rung mahtai, jat nnaPO/ITP hta tsun da ai shaloi NDT hte kata na coating lata la mai ai lam ni), dai majaw, n kaja ai-service mari ai lam ni gaw, sawn la ai lam hpe n kam sham ai.

EPC hte htu shaw ai contract galaw ai ni a matu shingdaw aiMiwa mung kaw na htu pipe galaw ai niHtehtu pipe jaw ai ni, dawdan ai lam gaw, hkan tam mai ai lam (heat-to-joint mapping), htaw sa ai aten hta matut mahkai lam hpe makawp maga ai lam, QA jahpan ni hpe bungli masing masa de hkrak sha bang mai ai kun (PO/ITP hta tsun da ai shaloi) ni hta hkan nna dawdan ai lam ni hta law malawng du wa ai.

1. Hpaji hkingrai htinggrum ai atsam (teng man ai hkrang shapraw ai shara)

2. Drill pipe gaw hkum hkrang lapran kaw n law htum hkrat sum ai shawng-issues ni gaw grup yin hta grau nna myit maju jung chye ai.hkingrai matut mahkai / weld sharahpa majaw nga yang, make-up cycle, torque, hte bending ni hpe gun hpai ai majaw re. Octal Pipe gaw ndai hpe hkang ai hku nna, tool joint hpe process-ahkyak ai lahkam langai hku nna, arung arai jat bang ai hku n re ai sha, shipment record ni gaw tool joint bungli hpe lot de bai matut da ai majaw hkap la ai lam gaw "looks OK" ngu ai hpe n kam sham ai.

3. Hka lum ai hte grade n bung ai (hpa majaw "API 5DP" hpe sakse naw ra ai)

4. API 5DP htu shaw ai pipe hpe mari ai gaw, label hpe sha mari ai n re-dai gaw mari ai re.bai galaw mai ai jak hpajibatch langai hpang langai. Octal Pipe gaw hkang zing da ai galaw ai lam hku nna grade supply hpe n galai shai hkra galaw ya nna, document pack kata na mechanical results ni hpe jaw ya ai majaw, mari ai lam gaw supplier ni a ga sadi n re ai sha sakse ni hte myit hkrum lu na re.

5. Thread jak hte shadawn ai tara (make-up kam mai ai lam hpe galaw shapraw ai)

6. Rig delay law malawng gaw thread ni kaw na pru wa ai: galling, n kaja ai, shing nrai, pat shingdang lu ai hkra machyi ai lam ni. Octal Pipe gaw thread hpe hkang ai lam hpe galaw shapraw ai quality-thread ni hpe hparan ai shaloi makawp maga da ai zawn galaw nna, na a PO/ITP hpyi ai shaloi, dai hpe sa ya ai hta lawm ai.n-gang shadawn ai saksedai majaw hkap la ai hpung gaw, ga law hkat ai lam n nga ai sha sign off galaw mai ai.

7. Hpa majaw nga yang, htaw sa ai lam gaw kaja ai pipe hpe jahten kau ya lu ai majaw)

8. Hkum tsup hkra galaw da ai pipe hpe pyi logistics hta "n kaja hkra galaw" mai ai. Dai majaw Octal Pipe gaw makawp maga ai lam ni, shinggyin la ai lam ni hpe galaw ai, size/grade/length hku nna masat da ai lam ni hpe process control a daw langai hku nna galaw ai-dai majaw nang hkam la ai lam gaw "garan ginhka nna bai jep yu ra ai" n re ai sha, galaw na matu jin jin rai sai.

Active program langai a matu dut shabra na matu drill pipe hpe sourcing galaw ai shaloi, "n galaw na" ngu ai ningdang kau ai lam hpe koi lu na matu lawan dik ai ladat gaw, dai hpe generic tube n re ai sha, matched system hku nna quote galaw na matu re. OD/WT hte Range (R1/R2/R3), grade (E75/X95/G105/S135), hte hkrak tup matut mahkai ai masat masa (NC/IF/REG/FH (sh) premium lahkawng lang -hpa) hpe tsun dan nna, dai hpang, laknak lang ai arung arai ni hpe pat shingdang ai lam ni (OD/tong yard shara a matu ra ai lam ni) hte makawp maga ai lam ni hpe jat bang u. Na a PO/ITP sakse ra ai rai yang, shawng kaw na record ni hpe shaga dat u-drift mahtai (mandrel size + pass/fail), thread gauging, hte NDT scope ni hpe tsun da ai shaloi sha -dai hku nna, htaw sa ai lam gaw "hkap la ai{{13}s}jin jin rai sai" ngu ai hpe n-gun jaw na malai.

Ya matut mahkai mai ai

Ndai laika man htasau htu ai shara API 5DP htu ai pipestring ni hpe htu na matu. NPT thread ni a matu Tap drill size charts ni gaw laksan jak rung ga baw rai nna, htu pipe mari ai lam hta n lawm ai.

FAQ

 

Drill pipe mari na matu API 5DP hte API RP 7G gaw hpa shai ai kun?

API 5DPgawmari ai hte hkap la ai madangdrill pipe galaw ai/jep joi ai lam a matu.API RP 7Gngu ai hpe grau jai lang ai.lata la ai laika buk(drill stem member ni hte bungli galaw ai shadawn sharam ni a matu gara inputs ni hpe myit yu ra ai). RFQ ni hta, hkap la ai lam hpe lock galaw na matu 5DP hpe lang nna, shut ai-grade/shut ai-connection mari ai lam hpe koi lu na matu 7G myit masa hpe lang u.

API 5DP drill pipe hpe mari ai shaloi rig-side make-up n-htum hkra hpa hpe tsun dan ra ai kun?

Tsun uOD/WT + ginra (R1/R2/R3), madang, hte hkrak tup .matut mahkai masat masa(NC/FH/REG/FH) htehkingrai htuk manu ai shadawn sharam(OD/tong shara). Jat aisumri makawp maga ai nihte ra ai jep joi ai lam (ga shadawn, thread gauging/NDT) hpe PO hta asan sha tsun da ai majaw hpa mung "hkap la ai" n re.

API 5DP drill pipe hte rau gara laika ni hpe shang wa ai hpe jep yu na matu sa ra ai kun?

N law htum:MTC/CMTR (hkan tam lu ai), shadawn shadang/dingman ai jahpan ni, hte packing jahpan hpe map galaw da ai.kaba ai/madang/galu ai. Na a PO/ITP ra ai rai yang, 1 hpe jat bang u.n-gang shadawn ai sakse, jat nnaNDT/hka chyam dinglik/hpyen masa shiga nimasat da ai shaloi sha-dai majaw hkap la ai lam gaw sakse- hpe madung tawn ai, email- hpe madung tawn ai n re.

Deviated (sh) high-torque htu shaw ai lamang ni a matu matut mahkai lam ni hte tool joint ni hpe gara hku lata na kun?

Deviated/high-torque bungli hta, hkrat sum ai lam ni hte htingnut ai lam ni gaw 100 kaw nna hpang chye ai.matut mahkai/hpaji matut mahkaiarea, pipe hkum hkrang n re. Na a rig/fleet madang hte maren matut mahkai lam ni hpe lata la u, dai hpang thread hkra machyi ai lam hpe shayawm na matu hte-up ningdang ai lam ni hpe galaw na matu, tool joint a pat shingdang ai lam ni hte hparan ra ai lam ni hpe (protectors/packing) hpe lock galaw u; na a hkrat sum ai labau gaw dai hpe tara shang shatai ya ai shaloi, grau nna jep joi ai lam ni hpe hpyi shawn u.

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

 

OD ginra: 2 3/8" – 6 5/8"

Jawng madang ni: E75, X95, G105, S135

Galu ai: R1 / R2 / R3

Myit npyaw ai amyu:IU, EU, IEU

Matut mahkai lam ni:NC, IF, REG, FH, manu dan ai lata la mai ai lam ni

Laika shawk shawn ai lam ni:Hka htung sung ai, HPHT, panglai hkin-gau, lam madun ai hku htu ai

Hot Tags: htu htu ai pipe, Miwa htu ai pipe galaw shapraw ai ni, jaw ya ai ni, jak rung