Inkampani yethu igxile ekuthumeleni amapayipi ensimbi ahlukahlukeneIpayipi le-Carbon Steel Oil Casing, China Casing Drill Pipe, OCTG, OCTG casing amapayipi, OCTG ECHINA, OCTG PIPES.

Izinhlobo zeOCTGAmapayipi
Okokuqala, i-OCTG isifinyezo se-"Oil country tubular good".

Izinhlobo ezintathu eziyinhloko zamapayipi we-OCTG yizi:

Amapayipi e-Casing asetshenziselwa ukuqinisa i-borehole. I-casing ingaphansi kokucindezeleka kwe-axial kanye nokucindezela kwangaphakathi okudalwe uwoyela opompowe noma igesi, isisindo sabo esinzima kanye nokucindezela kwangaphandle okuvela emadwaleni azungezile.
Amashubhu umkhiqizo wamapayipi lapho uwoyela noma igesi ithuthwa isuka emthonjeni iye phezulu. Amasegimenti wamapayipi ngokuvamile acishe abe ngamafidi angu-30 ubude anoxhumo olunentambo ekugcineni ngakunye (uxhumano oluvamile noma lwe-premium luyatholakala).
Amapayipi okubhoboza amapayipi asindayo angenamthungo azungeza i-drill bit kanye nokumpompa udaka. Izingxenye zamapayipi angu-30 lb zixhunywe kusetshenziswa amalunga okukhiya. Ipayipi lokubhoboza lingaphansi kwe-torque ephezulu ngesikhathi sokumba, i-axial tension, kuye ngesisindo sazo kanye nokucindezela kwangaphakathi ngenxa yokufutha uketshezi lokumba. Ukwengeza, imithwalo egobayo eguquguqukayo ngenxa yokumba okungaqondile noma okuchezukile ingase ibekwe phezulu kulawa maphethini okulayisha ayisisekelo.
Izinga le-API 5CT limboza i-casing engenamthungo neshiselwe kanye neshubhu ukuze kukhishwe nokucutshungulwa okuyinhloko kwezinto zokusetshenziswa (amapayipi ohlobo lwe-OCTG oluchazwe ngenhla).

Siyakwamukela usithumelele imibuzo.

Uhlolojikelele

Isicelo

Ipayipi ku-Api5ct lisetshenziselwa kakhulu ukumba imithombo kawoyela negesi kanye nokuthuthwa kukawoyela negesi. Igobolondo likawoyela lisetshenziselwa ikakhulukazi ukusekela udonga lwemigodi phakathi nangemuva kokuqedwa komthombo ukuze kuqinisekiswe ukusebenza okuvamile komthombo kanye nokuqedwa komthombo.

Ibanga Eliyinhloko

Ibanga:J55, K55,N80,L80,P110, njll

Ingxenye Yekhemikhali

Impahla Mechanical

Isidingo Sokuhlola

Ngokungeziwe ekuqinisekiseni ukwakheka kwamakhemikhali kanye nezakhiwo zemishini, ukuhlolwa kwe-hydrostatic kwenziwa ngakunye, futhi kwenziwa ukuhlolwa kwe-flaring ne-flattening. . Ngaphezu kwalokho, kunezidingo ezithile ze-microstructure, usayizi wokusanhlamvu, kanye nongqimba lwe-decarburization yepayipi yensimbi eqediwe.

Ukuhlolwa kwe-Tensile:

1. Ngensimbi yemikhiqizo, umenzi kufanele enze ukuhlolwa okuqinile. Ngepayipi elishiselwe ugesi, eligcinwe ngokukhetha komkhiqizi, ukuhlolwa kwe-tensile kungenziwa epuleti lensimbi elasetshenziswa ukwenza ipayipi noma elifakwe epayipini lensimbi ngokuqondile. Ukuhlolwa okwenziwe emkhiqizweni nakho kungasetshenziswa njengokuhlolwa komkhiqizo.

2. Amashubhu okuhlola azokhethwa ngokungahleliwe. Uma kudingeka ukuhlola okuningi, indlela yesampula izoqinisekisa ukuthi amasampula athathiwe angamela ukuqala nokuphela komjikelezo wokwelapha ukushisa (uma kusebenza) kanye neziphetho zombili zeshubhu. Uma kudingeka ukuhlola okuningi, iphethini izothathwa kumashubhu ahlukene ngaphandle kokuthi isampula yeshubhu elijiyile ingase ithathwe kuzo zombili iziphetho zeshubhu.

3. Isampula yepayipi elingenamthungo lingathathwa kunoma iyiphi indawo kumjikelezo wepayipi; isampula yepayipi ehlanganisiwe kufanele ithathwe cishe ku-90 ° kumthungo we-weld, noma ngokukhetha komkhiqizi. Amasampula athathwa cishe engxenyeni yesine yobubanzi bomugqa.

4. Kungakhathaliseki ukuthi ngaphambi nangemuva kokuhlolwa, uma ukulungiswa kwesampula kutholakala kunesici noma kukhona ukuntuleka kwezinto ezingahlobene nenjongo yokuhlolwa, isampula ingase ilahlwe futhi kufakwe enye isampula eyenziwe ngeshubhu efanayo.

5. Uma ukuhlolwa okuqinile okumelela iqoqo lemikhiqizo kungahlangabezani nezimfuneko, umenzi angathatha amanye amashubhu angu-3 kuqoqo elifanayo lamashubhu ukuze aphinde ahlolwe.

Uma konke ukuhlolwa kabusha kwamasampuli kuhlangabezana nezidingo, iqoqo lamashubhu liyafaneleka ngaphandle kweshubhu elingafanelekile elathathwa njengesampula ekuqaleni.

Uma isampula elingaphezu kwelilodwa ekuqaleni lithathwa noma isampula elilodwa noma ngaphezulu ukuze liphinde lihlolwe lingahlangabezani nezimfuneko ezishiwo, umkhiqizi angase ahlole inqwaba yamashubhu ngalinye ngalinye.

Iqoqo lemikhiqizo elenqatshiwe lingashisisa kabusha futhi licutshungulwe kabusha njengeqoqo elisha.

Ukuhlolwa kokucaba:

1. Isampula yokuhlola izoba indandatho yokuhlola noma ukusika isiphetho esingekho ngaphansi kuka-63.5mm (2-1 / 2in).

2. Izibonelo zingasikwa ngaphambi kokwelashwa kokushisa, kodwa ngaphansi kokuphathwa kokushisa okufanayo njengoba ipayipi limelelwe. Uma kusetshenziswa ukuhlolwa kwenqwaba, kuzothathwa izinyathelo zokukhomba ubudlelwano phakathi kwesampula neshubhu lesampula. Isithando somlilo ngasinye eqoqweni ngalinye kufanele sichotshozwe.

3. Isifanekiso sizokwenziwa isicaba phakathi kwamapuleti amabili ahambisanayo. Kusethi ngayinye yezifanekiso zokuhlola ezicaba, enye ishise ibekwe isicaba ku-90 ° kanti enye yacaba ku-0 °. Isifanekiso sizokwenziwa isicaba kuze kube yilapho izindonga zamashubhu sezixhumene. Ngaphambi kokuba ibanga phakathi kwamapuleti ahambisanayo libe ngaphansi kwenani elishiwo, akukho ukuqhekeka noma ukuphuka okufanele kuvele kunoma iyiphi ingxenye yephethini. Phakathi nayo yonke inqubo yokwenza isicaba, akumele kube nesakhiwo esingesihle, ama-welds angahlanganisiwe, ama-delamination, ukushisa ngokweqile kwensimbi, noma ukukhishwa kwensimbi.

4. Kungakhathaliseki ukuthi ngaphambi nangemuva kokuhlolwa, uma ukulungiswa kwesampula kutholakala kunesici noma kukhona ukuntuleka kwezinto ezingahlobene nenjongo yokuhlolwa, isampula ingase ilahlwe futhi kufakwe enye isampula eyenziwe ngeshubhu efanayo.

5. Uma noma iyiphi isampula emele ishubhu ingahlangabezani nezidingo ezishiwo, umkhiqizi angathatha isampula ekugcineni kweshubhu ukuze kuhlolwe okungeziwe kuze kube yilapho izidingo zifinyelelwa. Nokho, ubude bepayipi eliqediwe ngemva kokusampula akumele bube ngaphansi kuka-80% wobude bokuqala. Uma noma iyiphi isampula yeshubhu emele iqoqo lemikhiqizo ingahlangabezani nezidingo ezishiwo, umenzi angathatha amashubhu amabili engeziwe eqoqweni lemikhiqizo futhi asike amasampula ukuze aphinde ahlolwe. Uma imiphumela yalokhu kuhlolwa kabusha yonke ihlangabezana nezidingo, iqoqo lamashubhu liyafaneleka ngaphandle kweshubhu elikhethwe ekuqaleni njengesampula. Uma noma yimaphi amasampula okuhlolwa kabusha angahlangabezani nezidingo ezishiwo, umkhiqizi angasampula amashubhu asele enqwaba ngalinye ngalinye. Ngokukhetha komkhiqizi, noma yiliphi iqoqo lamashubhu lingaphathwa kabusha futhi lihlolwe kabusha njengeqoqo elisha lamashubhu.

Ukuhlolwa Komthelela:

1. Kumashubhu, isethi yamasampuli kufanele ithathwe endaweni ngayinye (ngaphandle uma izinqubo ezibhaliwe zibonisiwe ukuthi zihlangabezana nezidingo zokulawula). Uma i-oda lilungiswe kokuthi A10 (SR16), ukuhlola kuyisibopho.

2. Ukuze kufakwe i-casing, amapayipi ensimbi angu-3 kufanele athathwe eqeqebeni ngalinye ukuze kuhlolwe. Amashubhu okuhlola azokhethwa ngokungahleliwe, futhi indlela yesampula izoqinisekisa ukuthi amasampuli anikeziwe angamela ukuqala nokuphela komjikelezo wokwelapha ukushisa kanye neziphetho zangaphambili nangemuva zomkhono phakathi nokwelashwa kokushisa.

3. Ukuhlolwa komthelela we-Charpy V-notch

4. Kungakhathaliseki ukuthi ngaphambi nangemuva kokuhlolwa, uma ukulungiswa kwesampula kutholakala kunesici noma kukhona ukuntuleka kwezinto ezingahlobene nenjongo yokuhlolwa, isampula ingase ilahlwe futhi kufakwe enye isampula eyenziwe ngeshubhu efanayo. Izibonelo akufanele nje kuthiwe zinephutha ngenxa nje yokuthi azihlangabezani nezidingo ezincane zamandla amuncwa.

5. Uma umphumela wesampula engaphezu kweyodwa ungaphansi kwemfuneko encane yamandla amuncwa, noma umphumela wesampula eyodwa ungaphansi kuka-2/3 wesidingo samandla esimuncwa esincane esishiwo, amasampuli amathathu engeziwe azothathwa esiqeshini esifanayo futhi ihlolwe kabusha. Amandla omthelela wesifanekiso ngasinye esivivinywe kabusha azoba makhulu noma alingane nemfuneko encane yamandla amuncwa.

6. Uma imiphumela yokuhlolwa okuthile ingahlangabezani nezimfuneko futhi nemibandela yokuhlolwa okusha ingahlangabezwanga, khona-ke amasampuli amathathu engeziwe athathwa kwesinye seziqephu ezintathu zeqoqo. Uma yonke imibandela eyengeziwe ihlangabezana nezidingo, iqoqo liyafaneleka ngaphandle kwaleyo ehlulekile ekuqaleni. Uma ucezu olwengeziwe lokuhlola olungaphezu kwesisodwa lungahlangabezani nezimfuneko, umenzi angase akhethe ukuhlola izingcezu ezisele zenqwaba ngayinye ngayinye, noma ashise kabusha inqwaba futhi ayihlole eqeqebeni elisha.

7. Uma izinto ezingaphezu kweyodwa kwezintathu zokuqala ezidingekayo ukufakazela iqoqo leziqu zenqatshwa, ukuhlolwa kabusha akuvunyelwe ukufakazela ukuthi iqoqo lamashubhu lifanelekile. Umkhiqizi angase akhethe ukuhlola amaqoqo asele isiqeshana ngasinye, noma ashise kabusha inqwaba futhi ayihlole kunqwaba entsha..

Ukuhlolwa kwe-Hydrostatic:

1. Ipayipi ngalinye kufanele lihlolwe i-hydrostatic pressure yalo lonke ipayipi ngemva kokujiya (uma kufaneleka) kanye nokwelashwa kokushisa kokugcina (uma kufanele), futhi lizofinyelela umfutho we-hydrostatic oshiwo ngaphandle kokuvuza. Isikhathi sokubamba ingcindezi yokuhlola senziwa ngaphansi kwama-5s. Emapayipini ashiselwe, ama-welds amapayipi azobhekwa ukuvuza ngaphansi kwengcindezi yokuhlolwa. Ngaphandle uma ukuhlolwa kwepayipi lonke kwenziwe okungenani kusenesikhathi ngomfutho odingekayo esimweni sokugcina sepayipi, imboni yokucubungula intambo kufanele yenze ukuhlola kwe-hydrostatic (noma ihlele lokho kuhlola) kulo lonke ipayipi.

2. Amapayipi azophathwa ngokushisa azohlolwa nge-hydrostatic ngemva kokwelashwa kokushisa kokugcina. Ukucindezela kokuhlola kwawo wonke amapayipi aneziphetho ezinentambo kufanele okungenani kube ukucindezela kokuhlola kwemicu nokuhlanganisa.

3 .Ngemva kokucubungula kuya kusayizi wepayipi eliqediwe eliyisicaba kanye nanoma yimaphi amalunga amafushane aphethwe ukushisa, ukuhlolwa kwe-hydrostatic kuzokwenziwa ngemva kokuphela kwesicaba noma intambo.

Ukubekezelelana

I-Outer Diameter:

Emashubhuni ahlangene ajiyile anosayizi omncane noma olingana no-5-1 / 2, ukubekezelelana okulandelayo kusebenza kububanzi obungaphandle bomzimba wepayipi ngaphakathi kwebanga elicishe libe ngu-127mm (5.0in) eduze kwengxenye ejiyile; Ukubekezelelana okulandelayo kusebenza kububanzi obungaphandle beshubhu ngaphakathi kwebanga elicishe lilingane nobubanzi beshubhu eliseduze nengxenye ejiyile.

Kumashubhu aqinisiwe angaphandle anosayizi we-2-3 / 8 nangaphezulu, ukubekezelelwa okulandelayo kusebenza kububanzi obungaphandle bepayipi elijiyile futhi ubukhulu buguquka kancane kancane ukusuka ekugcineni kwepayipi.

Ubukhulu Bodonga:

Ukubekezelelwa kokuqina kodonga okucacisiwe kwepayipi kungu-12.5%

Isisindo:

Ithebula elilandelayo yizidingo ezijwayelekile zokubekezelela isisindo. Lapho ubukhulu obuncane obushiwo bodonga bukhulu noma bulingana no-90% wobukhulu obubekiwe bodonga, umkhawulo ongaphezulu wokubekezelelwa kwenqwaba yempande eyodwa kufanele ukhuliswe ube ngu-10%

Imininingwane Yomkhiqizo

Amapayipi Esakhiwo Amapayipi

I-API 5L

I-API 5CT