Mwachidule

Timaganiza zomwe makasitomala amaganiza, kufulumira kwachangu kuchitapo kanthu malinga ndi zomwe kasitomala akufuna, kulola kuti ukhale wabwino kwambiri, kuchepetsa mtengo wokonza, mitengo yamitengo ndi yabwino kwambiri, yapambana ogula atsopano ndi akale thandizo ndi kutsimikizira kwa API. 5CT Seamless Steel Casing Pipe, Tidzapatsa anthu mphamvu polankhulana ndi kumvetsera, Kupereka chitsanzo kwa ena ndi kuphunzira kuchokera pazomwe takumana nazo. Monga fakitale yodziwika bwino timavomerezanso dongosolo lokhazikika ndikulipanga kukhala lofanana ndi chithunzi chanu kapena chitsanzo chofotokozera komanso kulongedza makasitomala. Cholinga chachikulu cha kampaniyo ndikukhala kukumbukira bwino kwa makasitomala onse, ndikukhazikitsa ubale wautali wamalonda wopambana. Kuti mudziwe zambiri, onetsetsani kuti mwatilumikiza. Ndipo Ndizosangalatsa kwambiri ngati mukufuna kukhala ndi msonkhano panokha muofesi yathu.

Mapaipi osungira mafuta ndi mapaipi achitsulo omwe amagwiritsidwa ntchito kuthandizira makoma a zitsime zamafuta ndi gasi kuonetsetsa kuti chitsime chonsecho chimagwira ntchito bwino pambuyo pobowola ndikumaliza. Chitsime chilichonse chimagwiritsa ntchito zigawo zingapo molingana ndi kuya koboola komanso momwe zinthu zilili. Simenti imagwiritsidwa ntchito pomanga khomalo pambuyo potsika pansi. Ndi yosiyana ndi chubu ndi kubowola chitoliro ndipo sangathe kugwiritsidwanso ntchito. Ndi chinthu chogwiritsidwa ntchito kamodzi. Chifukwa chake, kugwiritsa ntchito ma casing kumapangitsa 70% ya mapaipi onse amafuta.

Petroleum casing ndi chitoliro chachitsulo chomwe chimagwiritsidwa ntchito kuthandizira khoma la zitsime zamafuta ndi gasi kuti zitsimikizire kuti chitsime chonsecho chimagwira ntchito bwino pambuyo pobowola ndikumaliza. Chitsime chilichonse chimagwiritsa ntchito zigawo zingapo molingana ndi kuya koboola komanso momwe zinthu zilili. Simenti imagwiritsidwa ntchito pomanga chitsime pambuyo potsekeka. Ndi yosiyana ndi chubu ndi kubowola chitoliro ndipo sangathe kugwiritsidwanso ntchito. Tubing ndi chinthu chomwe chimatha kugwiritsidwa ntchito. Tubing ili ndi chotengera chakumutu komanso potengera pansi.
Malinga ndi cholinga cha simenti ndi ntchito ya casing, casings kuthamanga mu chitsime akhoza kugawidwa mu casings pamwamba, casings luso ndi casings mafuta.
(1) Chosungira chapamwamba: Ndilo chosungira chakunja kwambiri mu pulogalamu yosungira mafuta ndi gasi. Mukabowola dzenje, kumbatirani pansi pa nthaka yosanjikiza, kapena boworani mozama, ndikuyendetsa pansi.
Ntchito za posungira pamwamba ndi motere: ①Ikani madzi akumtunda ndikuteteza madzi apamtunda ndi pansi kuti asalowe pachitsime; ②Tetezani mutu wa chitsime ndikulimbitsa khoma la chitsime cha gawo la chitsime pamwamba pa nthaka; Chotchinga chotchinga cha blowout chimayikidwa pamwamba kuti chiteteze kuphulika. Kusiyana pakati pa khoma la pamwamba ndi khoma la chitsime kuyenera kusindikizidwa ndi simenti, ndiko kuti, pomanga chitsime, matope a simenti ayenera kubwezeredwa kumutu kuti adzilekanitse mapangidwe ndi kuteteza khoma la chitsime.
Kuzama kwa casing pamwamba ndi osachepera 100 mamita.
(2) Technical casing: yomwe imadziwikanso kuti intermediate casing. Ndi casing yokhala ndi zigawo ziwiri kapena ziwiri pakati pa chivundikiro cha pulogalamu ya casing. Kuzama kwa chitsime ndi kwakukulu, ndipo kungathe kusiyanitsa stratum ndi kuteteza chitsime kuti chigwe mosavuta, kutuluka mosavuta, kuthamanga kwambiri, ndi kupanga mchere wamchere pakati pa chitsime.
Kuthamangitsa casing luso akhoza kuonetsetsa kubowola yosalala wa m'munsi chitsime; imathanso kuwonetsetsa chitetezo cha kubowola m'malo osungira mafuta ndi gasi; bokosi laumisiri lili ndi mutu wa casing ndi chotchinga chanjira zinayi kuti zisaphulike.
Chophimba chapakati chimayendetsedwa chifukwa chaukadaulo wobowola, chifukwa chake chimatchedwanso luso laukadaulo. Kutalika kwa pulagi ya simenti pakati pa khola laukadaulo ndi khoma lachitsime kuyenera kukhala osachepera 200 metres pamwamba pa malo akutali.
(3) Chophimba chamafuta: chomwe chimatchedwanso kuti casing yopanga. Ndilo gawo lomaliza la casing mu pulogalamu ya casing ya chitsime cha mafuta ndi gasi, chikuyenda kuchokera pachitsime kupita pansi pa mafuta ndi gasi omwe amadutsamo. Kuzama kwa choyikapo mu mafuta wosanjikiza kwenikweni ndiko kuya kwa kubowola.
Udindo wa mafuta wosanjikiza mafuta ndikudutsa mafuta ndi gasi pansi, kusiya mafuta ndi gasi kuchokera kumitundu yonse, ndikuwonetsetsa kuti mafuta ndi gasi samatha. Zitsime zamafuta ndi gasi zikasamutsidwa kuti zipangidwe, mtundu wamafuta osanjikiza mafuta uyenera kutsimikiziridwa kuti ukhalebe ndi nthawi yopangira.
Kumbali imodzi, khalidwe la cementing la mafuta osanjikiza mafuta likugwirizana ndi kukhala chitsime chofufuzira ndipo ndiye chinsinsi cha kuyesa mafuta ndi gasi; kumbali ina, ikugwirizana ndi kukhala bwino kupanga, zomwe zimakhudza mwachindunji moyo wa chitsime. Kutalika kwa simenti yotsekera pakati pa choyikapo mafuta ndi khoma la chitsime kumakhala pafupifupi 500 metres pamwamba pa mafuta ndi gasi wosanjikiza, kapena mpaka 200 metres kumtunda kwa casing. . Chifukwa chake, kugwiritsa ntchito ma casing kumapitilira 70% ya mapaipi onse amafuta.

Kusungirako mafuta ndiye njira yothandizira kuti zitsime zamafuta zizigwira ntchito. Chifukwa cha mikhalidwe yosiyanasiyana ya geological, kupsinjika kwapansi panthaka kumakhala kovuta, komanso kuphatikizika kwamphamvu, kuponderezana, kupindika ndi kugwedezeka kwa chitoliro pathupi la chitoliro, zomwe zimayika patsogolo zofunikira pamtundu wa casing yokha. Boko lokhalo likawonongeka pazifukwa zina, chitsime chonsecho chikhoza kuchepetsedwa kapena kuchotsedwa.
Malinga ndi mphamvu ya zitsulo palokha, ndi casing akhoza kugawidwa m'magulu osiyanasiyana zitsulo, mwachitsanzo J55, K55, N80, L80, C90, T95, P110, Q125, V150, etc. Osiyana bwino zinthu ndi kuya ndi makalasi osiyana zitsulo. M'malo owononga, chosungiracho chimafunikanso kuti chisawonongeke. M'malo omwe ali ndi zovuta za geological, casing imafunikanso kuti ikhale ndi anti-collapse performance.

Kukonzekera mawonekedwe a mapeto a casing: ulusi waufupi wozungulira, ulusi wautali wozungulira, ulusi wamtundu wa trapezoid, chingwe chapadera, ndi zina zotero. Zomwe zimagwiritsidwa ntchito pobowola bwino mafuta, zimagwiritsidwa ntchito kwambiri pothandizira khoma lachitsime panthawi yobowola komanso pambuyo pomaliza, kuti zitsimikizire kupita patsogolo. pobowola ndi ntchito yabwinobwino ya chitsime chonse chamafuta mukamaliza.

Zindikirani kuti pakati pa mitundu yomwe imagwiritsidwa ntchito kwambiri ya ulusi wa API, kulimba kwa mpweya wa ulusi wozungulira kumakhala kochepa, ndipo mphamvu ya gawo lolumikizana ndi 60% ~ 80% ya thupi la chitoliro; mphamvu yolumikizira ndi yapamwamba, koma kusindikiza sikuli kwabwino.Chifukwa chake, ndi kusintha kwa malo ogwiritsira ntchito mafuta amafuta ndi zofunikira zolimba kwambiri za casing ndi kulumikiza mphamvu ndi kusindikiza, gawo la ntchito la buckle lapadera lomwe lili ndi mphamvu zapamwamba likukulirakuliranso.

Kugwiritsa ntchito

Pipe in Api5ct imagwiritsidwa ntchito kwambiri pobowola zitsime zamafuta ndi gasi komanso kutumiza mafuta ndi gasi. Chophimba chamafuta chimagwiritsidwa ntchito makamaka pothandizira khoma la borehole panthawi komanso pambuyo pomaliza chitsime kuti zitsimikizire kuti chitsimecho chimagwira ntchito bwino komanso kutha kwa chitsime.

Main Grade

Gulu: J55, K55, N80, L80, P110, etc

Chigawo cha Chemical

Mechanical Property

Chofunikira Choyesa

Kuphatikiza pakuwonetsetsa kupangidwa kwamankhwala ndi makina amakina, mayeso a hydrostatic amachitidwa m'modzim'modzi, ndikuyesa kuphulika ndi kuwongolera kumachitika. . Kuphatikiza apo, pali zofunika zina za microstructure, kukula kwa tirigu, ndi decarburization wosanjikiza wa chitoliro chomalizidwa chachitsulo.

Tensile Test:

1. Pazinthu zachitsulo zomwe zimapangidwa, wopanga amayenera kuyesa mayeso. Kwa chitoliro chowotcherera chamagetsi, chomwe chimayikidwa pachosankha cha wopanga, kuyesa kwachitsulo kumatha kuchitidwa pa mbale yachitsulo yomwe imagwiritsidwa ntchito popanga chitoliro kapena perfomred pa chitoliro chachitsulo mwachindunji. Kuyesa kochitidwa pa chinthu kungagwiritsidwenso ntchito ngati kuyesa kwazinthu.

2. Machubu oyesera adzasankhidwa mwachisawawa. Pamene mayesero angapo akufunika, njira yotsatsira iwonetsetse kuti zitsanzo zomwe zatengedwa zikhoza kuyimira chiyambi ndi mapeto a kutentha kwa kutentha (ngati kuli koyenera) ndi malekezero onse a chubu. Pamene mayesero angapo akufunika, chitsanzocho chiyenera kutengedwa kuchokera ku machubu osiyanasiyana kupatula kuti chitsanzo cha chubu chokhuthala chikhoza kutengedwa kuchokera kumalekezero onse a chubu.

3. Chitsanzo cha chitoliro chosasunthika chikhoza kutengedwa pamalo aliwonse pamtunda wa chitoliro; chitsanzo chowotcherera chitoliro chiyenera kutengedwa pafupifupi 90 ° ku msoko wowotcherera, kapena posankha wopanga. Zitsanzo zimatengedwa pafupifupi kotala la m'lifupi mwake.

4. Ziribe kanthu kusanachitike komanso pambuyo poyesera, ngati kukonzekera kwachitsanzo kukupezeka kuti kuli kolakwika kapena palibe kusowa kwa zipangizo zomwe sizikugwirizana ndi cholinga cha kuyesa, chitsanzocho chikhoza kuchotsedwa ndikusinthidwa ndi chitsanzo china chopangidwa kuchokera ku chubu chomwecho.

5. Ngati kuyesa kwamphamvu koyimira gulu lazinthu sikukwaniritsa zofunikira, wopanga atha kutenga machubu ena atatu kuchokera mugulu lomwelo la machubu kuti awonenso.

Ngati zobwereza zonse za zitsanzozo zikukwaniritsa zofunikira, gulu la machubu ndiloyenera kupatula chubu losayenerera lomwe linayesedwa poyamba.

Ngati zitsanzo zingapo zayesedwa koyambirira kapena chimodzi kapena zingapo zoyesedwanso sizikukwaniritsa zofunikira, wopanga akhoza kuyang'ana gulu la machubu amodzi ndi amodzi.

Gulu lazinthu zokanidwa litha kutenthedwanso ndikusinthidwanso ngati gulu latsopano.

Mayeso a Flattening:

1. Chitsanzo choyesera chidzakhala mphete yoyesera kapena mapeto odulidwa osachepera 63.5mm (2-1 / 2in).

2. Zitsanzo zikhoza kudulidwa musanayambe chithandizo cha kutentha, koma malinga ndi kutentha komweko monga chitoliro chikuyimira. Ngati mayeso a batch agwiritsidwa ntchito, miyeso iyenera kutengedwa kuti izindikire mgwirizano pakati pa zitsanzo ndi chubu lachitsanzo. Ng'anjo iliyonse pagulu lililonse iyenera kuphwanyidwa.

3. Chitsanzocho chidzaphwanyidwa pakati pa mbale ziwiri zofanana. Pazoyeserera zilizonse zoyeserera, weld imodzi idaphwanyidwa pa 90 ° ndipo ina idaphwanyidwa pa 0 °. Chitsanzocho chiyenera kuphwanyidwa mpaka makoma a chubu agwirizane. Pamaso pa mtunda pakati pa mbale zofananira ndi zochepa kuposa mtengo wotchulidwa, palibe ming'alu kapena kusweka kuyenera kuwonekera mu gawo lililonse la chitsanzo. Pa nthawi yonse yopalasa, pasakhale dongosolo losauka, ma weld osakanizidwa, delamination, kuwotcha zitsulo, kapena kutulutsa zitsulo.

4. Ziribe kanthu kusanachitike komanso pambuyo poyesera, ngati kukonzekera kwachitsanzo kukupezeka kuti kuli kolakwika kapena palibe kusowa kwa zipangizo zomwe sizikugwirizana ndi cholinga cha kuyesa, chitsanzocho chikhoza kuchotsedwa ndikusinthidwa ndi chitsanzo china chopangidwa kuchokera ku chubu chomwecho.

5. Ngati chitsanzo chilichonse choyimira chubu sichikukwaniritsa zofunikira, wopanga angatenge chitsanzo kuchokera kumapeto komweko kwa chubu kuti ayesedwe mowonjezera mpaka zofunikirazo zikwaniritsidwe. Komabe, kutalika kwa chitoliro chomalizidwa pambuyo pa sampuli sikuyenera kukhala osachepera 80% ya kutalika koyambirira. Ngati chitsanzo chilichonse cha chubu choyimira gulu lazinthu sichikukwaniritsa zofunikira, wopanga atha kutenga machubu ena awiri kuchokera pagulu lazinthu ndikudula zitsanzozo kuti ayesenso. Ngati zotsatira za kubwereza izi zonse zikukwaniritsa zofunikira, gulu la machubu ndiloyenera kupatula chubu chomwe chinasankhidwa poyamba monga chitsanzo. Ngati zitsanzo zoyesereranso sizikukwaniritsa zofunikira, wopanga akhoza kuyesa machubu otsala a batch imodzi ndi imodzi. Posankha wopanga, gulu lililonse la machubu limatha kutenthedwanso ndikuyesedwanso ngati gulu latsopano la machubu.

Kuyesa Kwamphamvu:

1. Kwa machubu, mndandanda wa zitsanzo udzatengedwa kuchokera ku chigawo chilichonse (pokhapokha ngati ndondomeko zolembedwa zasonyezedwa kuti zikwaniritse zofunikira za malamulo). Ngati dongosolo lakhazikitsidwa pa A10 (SR16), kuyesako ndi kovomerezeka.

2. Pa casing, mapaipi 3 achitsulo ayenera kutengedwa pagulu lililonse kuti ayesedwe. Machubu oyesera adzasankhidwa mwachisawawa, ndipo njira yachitsanzo idzaonetsetsa kuti zitsanzo zomwe zaperekedwa zikhoza kuyimira chiyambi ndi mapeto a kayendedwe ka kutentha kwa kutentha ndi kutsogolo ndi kumbuyo kwa manja panthawi ya chithandizo cha kutentha.

3. Charpy V-notch impact test

4. Ziribe kanthu kusanachitike komanso pambuyo poyesera, ngati kukonzekera kwachitsanzo kukupezeka kuti kuli kolakwika kapena palibe kusowa kwa zipangizo zomwe sizikugwirizana ndi cholinga cha kuyesa, chitsanzocho chikhoza kuchotsedwa ndikusinthidwa ndi chitsanzo china chopangidwa kuchokera ku chubu chomwecho. Zitsanzo siziyenera kuganiziridwa kuti ndi zolakwika chifukwa chakuti sizikukwaniritsa zofunikira za mphamvu zomwe zimagwiritsidwa ntchito.

5. Ngati zotsatira za zitsanzo zoposa imodzi ndizochepa kuposa zomwe zimafunikira mphamvu zowonongeka, kapena zotsatira za chitsanzo chimodzi ndizochepa kuposa 2/3 ya zomwe zimafunikira mphamvu zowonongeka, zitsanzo zitatu zowonjezera zidzatengedwa kuchokera ku chidutswa chomwecho ndipo kuyesedwanso. Mphamvu yachitsanzo chilichonse yomwe yayesedwanso ikhala yokulirapo kapena yofanana ndi mphamvu yomwe yaperekedwa.

6. Ngati zotsatira za kuyesa kwina sizikugwirizana ndi zofunikira ndipo zikhalidwe za kuyesa kwatsopano sizikukwaniritsidwa, ndiye kuti zitsanzo zitatu zowonjezera zimatengedwa kuchokera ku zidutswa zitatu za batch. Ngati zina zonse zowonjezera zikukwaniritsa zofunikira, gululo ndiloyenera kupatula lomwe linalephera poyamba. Ngati zowonjezera zowonjezera zowonjezera sizikukwaniritsa zofunikira, wopanga angasankhe kuyang'ana zidutswa zotsalira za batchi imodzi ndi imodzi, kapena kutenthetsanso batchiyo ndikuyiyang'ana mu batchi yatsopano.

7. Ngati zambiri mwazinthu zitatu zoyambirira zomwe zimafunikira kutsimikizira gulu la ziyeneretso zikanidwa, kuyang'ananso sikuloledwa kutsimikizira kuti gulu la machubu ndiloyenera. Wopanga atha kusankha kuyang'ana magulu otsalawo pang'onopang'ono, kapena kutenthetsanso batch ndikuyiyang'ana mu batchi yatsopano..

Mayeso a Hydrostatic:

1. Chitoliro chilichonse chidzayesedwa ndi hydrostatic pressure test ya chitoliro chonse pambuyo pa kukhuthala (ngati kuli koyenera) ndi chithandizo chomaliza cha kutentha (ngati kuli koyenera), ndipo chidzafika pamtundu wodziwika bwino wa hydrostatic popanda kutaya. Nthawi yoyeserera yoyeserera idapangidwa osakwana 5s. Kwa mipope yowotcherera, ma welds a mapaipi aziyang'aniridwa ngati akutuluka pansi pa kukakamizidwa kwa mayeso. Pokhapokha ngati kuyezetsa kwa chitoliro chonse kwachitidwa pasadakhale pa kukanikiza komwe kumafunikira pa chitoliro chomaliza, fakitale yokonza ulusi iyenera kuyesa hydrostatic (kapena kukonza mayeso otero) pa chitoliro chonse.

2. Mipope yomwe imayenera kutenthedwa kutentha idzayesedwa ndi hydrostatic test pambuyo pa kutentha komaliza. Kuthamanga kwa mayeso a mapaipi onse okhala ndi malekezero a ulusi ayenera kukhala osachepera mayeso a ulusi ndi ma couplings.

3 .Pambuyo pokonza kukula kwa chitoliro chotsirizidwa chakumapeto ndi ziwalo zonse zazifupi zomwe zimatenthedwa ndi kutentha, kuyesedwa kwa hydrostatic kudzachitika pambuyo pa mapeto apansi kapena ulusi.

Kulekerera

Diameter Yakunja:

Kwa machubu olumikizirana okhuthala okhala ndi kukula kocheperako kapena kofanana ndi 5-1 / 2, kulolerana kotsatiraku kumagwiritsidwa ntchito kumimba yakunja ya chitoliro mkati mwa mtunda wa pafupifupi 127mm (5.0in) pafupi ndi gawo lokhuthala; Otsatirawa kulolerana ntchito kunja awiri a chubu mkati mwa mtunda wa pafupifupi wofanana ndi awiri a chubu yomweyo moyandikana ndi unakhuthala gawo.

Kwa machubu okhuthala akunja okhala ndi kukula kwa 2-3 / 8 ndi kukulirapo, kulolerana kotsatiraku kumagwiritsidwa ntchito kumtunda wakunja wa chitoliro chomwe chakhuthala ndipo makulidwe amasintha pang'onopang'ono kuchokera kumapeto kwa chitoliro.

Makulidwe a khoma:

Kulolera kwa khoma lachitoliro lodziwika bwino ndi -12.5%

Kulemera kwake:

Gome lotsatirali ndilofunika kulekerera kulemera. Pamene makulidwe ochepa a khoma ndi aakulu kuposa kapena ofanana ndi 90% ya makulidwe a khoma, malire apamwamba a kulekerera kwa muzu umodzi ayenera kuwonjezeka kufika ku + 10%

Tsatanetsatane wa Zamalonda

Mapaipi a Petroleum Mapaipi

API 5L

API 5CT