Menene Amfanin Sucker Rod Don?

A sandar tsotsaana amfani da shi don isar da motsi da lodi daga saman tuƙi zuwa famfo na ƙasa a cikin sanda{0}}tsarin ɗagawa. A cikin katakon da aka buga da kyau, igiyar sanda tana motsawa sama da ƙasa a cikin bututun kuma tana tuƙa famfo, wanda ke ɗaga ruwa zuwa sama. A wannan ma’ana, sandan ba wai karfe ne kawai a cikin rijiya ba; ita ce hanyar haɗin inji mai aiki tsakanin sashin famfo da famfo da ke ƙasa. SLB yana kwatanta igiyar sanda a matsayin haɗin kai tsakanin tsarin saman da famfon ƙasa, kuma ya lura cewa sanda{5} tsarin famfo ya kasance ɗaya daga cikin hanyoyin ɗagawa na wucin gadi- na yau da kullun a cikin rijiyoyin mai.

A cikin amfani da filin mai,zabin sandar tsotsaya dogara ne akan ainihinsanda -wajibi. Maɓallin maɓalli sun haɗa dazurfin saitin famfo, girman bututu, girman famfo, kaya mai ruwa, goge sandar lodi, tsawon bugun jini, bugun jini a minti daya, kumamanufa samar kudi. Hakanan dole ne a yi la'akari da ƙirada kyau karkacewa, tubing lamba, iskar gas{0}}rashin ruwa, yashi, paraffin, sikelin, da kuma kafofin watsa labarai masu lalata kamarCO2kumaH2S. Wadannan abubuwan sun ƙayyade ko igiyar sanda ya kamatadiamita daya{0}kotafe, wandadarajan sandakumadiamitaya kamata a yi amfani da shi, ko amafi girma {{0} sandar ƙarfiake bukata, da kuma yaddahada guda biyukumasandunan dokiya kamata a daidaita.

A reciprocating sanda dagawa, da tsotsa sanda kirtani sabobin tuba surface reciprocating motsi zuwa downhole famfo motsi. Ƙungiyar katako tana ɗagawa da rage kirtani; mai famfo famfo yana bin wannan motsi kuma yana motsa ruwa ta cikin bututu. A cikin sabis na PCP, igiyar sanda ita ma memba ce mai jujjuyawa, don haka ba ya aiki kawai cikin tashin hankali axial. Shi ya sa ba za a iya raba zaɓin sanda bayanayin yin famfo, kyau geometry, kumazagayowar lodi.

A cikakkeigiyar sandaba'a iyakance gacikakkun sanduna masu tsayi{{0}. API 11Brufewakarfe tsotsa sandunakumasandunan dokitare dasanduna masu gogewa, hada guda biyu, sinker sanduna, goge sanda clamps, akwatunan shaƙewa, kumayin famfo tees. A cikiaikin filin, waɗannan abubuwa suna aiki kamarsanda daya -tsarin ɗagawamaimakon kamar yadda aka ware aka gyara, sabodakirtani kaya, aikin haɗin gwiwa, famfo saukowa, tubing lamba, kumagudu rayuwaduk sun dogara ne akan haɗin haɗin gwiwarsanduna, gajerun sassa, hada guda biyu, kumakayan haɗi masu alaƙa.

Za a iya karanta dangin samfurin a sarari ta hanyar abubuwan da ke ƙasa:

A igiyar sandaya kamata a kimanta a matsayin wanihadedde tsarin aikimaimakon a matsayin keɓesanda jiki. Madaidaicin zaɓi nadarajan sandakumadiamitashi kadai ba ya tabbatar da gamsarwaaikin filin. Wanda bai kai basawa, gajiya, kuskuren saukowa, kumatubing -lalacewar lambahar yanzu iya faruwa a lokacin dadokin doki{0}}sanda, hada guda biyu zane, goge -bangaren sanda, koƙananan tallafin kirtani{{0}bai dace da ainihin bakyau profile, kirtani kaya, kumayanayin aiki.

API ɗin na yanzu - bayanan masu sana'a masu layi sun yi daidai daidai akan daidaitaccen gefen tsawon{1}, kamar yadda aka nuna a wannan [ Girman sandar tsotsa, tsayi, da sandunan doki]reference.Tenaris ya lissafta tsotsan nominal{1}} tsayin sanda na25 ft da 30 ft, yayin da aka jera sandunan doki a2, 4, 6, 8, 10, da 12 ft. Shafin samfurin SLB shima yana ganowa25- da sanduna 30-ftda sandunan doki a ciki2-, 4-, 6-, 8-, da 10-fttsayi. Kataloji na kasuwanci yawanci suna lissafin diamita na jikin sanda daga5/8 inta hanyar1-1/8 inci, kuma wasu kasidu sun kara gaba zuwa1-1/4 inciko1-1/2 incidangane da jerin samfurin da masana'anta. Jerin samfuran samfuran Octal na yanzu5/8 zuwa 1-3/4 ina ko'ina cikin danginsa{0}} sanda, yayin da manyan shafinsa-}arfin ya lissafa5/8 zuwa 1-1/8 indon wannan hanyar.

Zazzagewa: Girman sandar Sucker da Tsawon Tsawon

A sandar doki vs sandar tsotsaSaboda haka kwatancen shine babban bambanci a tsayi da sanda{0}aikin kirtani, ba bambanci a ainihin manufa ba. Ana amfani da sandunan doki don gama kirtani zuwa zurfin ƙasa da ake buƙata ba tare da tilasta famfo ya zauna tsayi ko ƙasa ba.

Ma'auniAPI 11B sandar tsotsasaitin darajaan gina shi a kusaC, K, da D. Littattafan samfuran jama'a koyaushe suna danganta waɗannan maki zuwa haɓaka kaya da buƙatun lalata:Darasi Cdon sabis mai sauƙi,Darasi Kinda juriya na lalata ya fi mahimmanci, kumaDarasi Ddon sama da sabis na kaya fiye da C ko K. Takaitattun bayanan kasuwancin jama'a suna maimaita ma'anar kewayo iri ɗaya: C da K galibi ana nunawa a90,000-115,000 psi ƙarfin ƙarfi, yayin da D yawanci ana nunawa a115,000-140,000 psi. Premium da masana'anta{1} takamammen hanyoyi sannan sun wuce sama da ainihin maki API zuwa maki kamar suKD, DXS, HA, HS, HL, da HY, dangane da tsarin mai bayarwa.

Zazzagewa: Matsayin Sucker Rod da Bayanin Jerin Samfura

Babban abin lura shi netsotsa sanda daraja selectionni akirtani -tsarakumada kyau - yanke shawara, ba mai sauki bazabin kasida. Matsayin da aka zaɓa ya dace da ainihingoge sandar lodi, zurfin saitin famfo, tsananin sake zagayowar damuwa, lalata muhalli, kumayanayin aikina rijiyar. A aikace, aiki mai sauƙirijiyoyin ramawana iya kasancewa a cikin APIC / K / Dzango, yayin darijiyoyi masu zurfi, mafi girma cyclic loading, mafi girma sabawa, PCP karfin juyi, ko fiye da myanayin lalatazai iya tura zane zuwa gapremiumkojerin gwano mai ƙarfi{{0}. Don haka, yakamata a karanta darajoji tare dadiamita sanda, kirtani taper, aji guda biyu, kuma ana sa ranrayuwa gajiya, sabodaigiyar sandayayi nasara ko kasa a matsayin amadaidaicin tsarin injimaimakon a matsayin keɓelakabin daraja. 

A misali tsotsa sandaana amfani da shi gabaɗaya inda za'a iya ƙirƙira igiyar sanda a cikin kewayon maki na API 11B na yau da kullun kuma rijiyar ba ta ɗaukar nauyin nauyi mai ƙarfi, juzu'i, ko buƙatar gajiya. A cikin sharuddan aiki, daidaitattun sanduna yawanci suna dacewa da katako na al'ada{2}} rijiyoyin famfo, matsakaicin zurfin zurfi, da yanayin sabis inda nauyin sandar, karkata, da matakin lalata ya kasance cikin iyakar ƙimar API ɗin da aka zaɓa.

A [high ƙarfi tsotsa sanda vs misali sucker sanda]kwatancen yana zama mahimmanci lokacin da yanayin rijiyar ya wuce iyakar aiki na daidaitaccen zaɓin sandar API. Wannan yawanci ya haɗa darijiyoyi masu zurfi, lodin sanda mafi nauyi, rijiyoyin ruwa masu girma -, sabis na PCP, ko yanayin aiki indagajiya aikiya zama abin ƙira mafi mahimmanci. Babban shafi -ƙarfi na Octal yana sanya hanyar H/HY a cikimai zurfi, nauyi -, da rijiyoyi masu lalata, yayin da Lufkin kwatancen jagora ya sanya manyan maki kamarKD, DXS, HA, da HSa cikin rijiyoyin da ke da yawan gajiya, ruwa mai lalata, da buƙatun PCP/slim{0}}rami.

Zazzagewa: Standard vs Babban Ƙarfin Sucker Reference

Bambancin ba shine kawai sanda ɗaya ya "fi ƙarfi." Bambance-bambance mafi fa'ida shine aiki: daidaitattun sanduna galibi suna isa a cikin sabis na maimaitawa na al'ada, yayin da ana zaɓar manyan sanduna masu ƙarfi lokacin da kirtani dole ne ya tsira.kaya mafi girma, gajiya mai tsanani, kara karfin juyi, ko fiye da bukatar rijiyoyin rijiya.

Ya kamata a fahimci sabis na sandar tsotsa ta hanyar ainihin aikin rijiyar maimakon ta manyan alamun masana'antu.A cikin aikin filin, an zaɓi igiyar sanda akan takamaimanhanyar yin famfo, zurfin zurfi, kaya mai ruwa, kyau yanayin, kumalalata profilena rijiyar. Tambayar injiniya ba wai kawai ko rijiyar tana samar da mai ba, amma ko igiyar sanda tana aiki a ƙarƙashinsakaya mai ramawa, torsional kaya, lodin gefe daga karkacewa, babban ruwa -nauyin ginshiƙi, ko sinadari mai tsauri da aka samar -tsarin ruwa. Waɗannan sharuɗɗan sun ƙayyade ko kirtani yakamata ta kasance a cikin ambulaf ɗin ƙimar API na al'ada ko matsawa zuwa wani dabandiamita sanda, kirtani taper, aji guda biyu, kojerin gwano mai ƙarfi{{0}.

Ana yawan amfani da sandunan tsotsa a cikin yanayin rijiyoyi masu zuwa:

• katako na al'ada - rijiyoyin buguinda igiyar sanda ke tafiyar da famfo mai jujjuyawar bututu kuma babban abin da aka fi mayar da hankali shi ne zanecyclic axial load, zurfin saitin famfo, kumagoge sandar lodi;
• PCP rijiyoyininda igiyar sanda dole ta watsakarfin juyi mai ci gabazuwa rotor downhole yayin da yake ɗaukar nauyin kirtani da nauyin aiki a cikin bututu;
• sanda mai zurfi{0}} rijiyoyin ɗagawainda kirtani na sama ke ɗaukar nauyi mai maimaitawa sama da tsayin kirtani, yintaper zane, juriya gajiya, kumaaikin haɗin gwiwamafi mahimmanci;
• karkatattun rijiyoyin dogleginda igiyar sanda ta fitotubing lamba, hada guda biyu lalacewa, kumamatsawa -haɗari mai alaƙa, musamman a cikin ƙananan sashe na kirtani;
• rijiyoyi masu lalatainda ruwan da aka samar ya ƙunshi mahimmanciruwa, CO2, H2S, ko wasu abubuwan lalata, don haka zaɓin matakin dole ne yayi la'akari ba kawai ƙarfi ba har majuriya na lalatada amincin mai hanawa;
• ruwa mai nauyi{0}} sabis na ginshiƙiinda mafi girman yawan ruwa, mafi girman cikar famfo, ko maƙasudin samarwa suna ƙara nauyin da igiyar sanda ke ɗauka da tura ƙira zuwa manyan diamita, ma'auni masu ƙarfi, ko madaidaicin taper a hankali.

Wasu misalan filin suna sa fahimtar sabis ɗin ƙarara:

• A cikin azurfin ramawa da kyau, sassan sanda na sama duba maimaitahigh tensile kayaakan kowane bugun jini. A cikin wannan yanayin, ƙirar ƙira ba kawai ƙarfin sanda ba ne kawai, amma har magajiya rayuwa a bacin rai da threaded dangane, hadawa mutunci, da kuma ko maɗaurin kirtani yana riƙe da ƙarfin kirtani na sama a cikin kewayon karɓuwa.
• A cikin akarkace da kyau, kirtani bazai kasance a tsakiya a cikin bututun ba.Haɗin kai ODzai iya tuntuɓar bangon tubing, kuma ƙananan igiyoyin sanda na iya matsawa cikin matsawa a wani ɓangare na bugun jini. A karkashin waɗannan sharuɗɗan,sinker sanduna, sanduna stabilizer, jagororin sanda, da zaɓin haɗin gwiwa sun zama wani ɓangare na dabarun sarrafa lalacewa maimakon na'urorin haɗi na zaɓi.
• A cikin aPCP da kyau, igiyar sanda ba ta aiki a ƙarƙashin nauyin axial kadai. Dole ne ya watsakarfin juyi na kasazuwa ga rotor downhole yayin da kuma dauke da kirtani nauyi a cikin rijiya. A sakamakon haka, tsarin sanda yana ƙarƙashin haɗuwadamuwa na torsional, tashin hankali axial, hawan keke, kuma, a cikin karkatattun rijiyoyin, ƙarintubing lambakumasawa. A cikin wannan sabis ɗin, ƙimar sanda, diamita, tsarin haɗin kai, da zaɓin haɗin kai dole ne a karanta tare.
• A cikin am rijiya, Tambayar ƙira ba wai kawai ko kirtani na iya ɗaukar kaya ba. Har ila yau, ko ƙimar sandar da aka zaɓa za ta iya kiyayewagudu rayuwaa gabansamar da ruwa, CO2, H2S, da kuma ainihin shirin hanawa. A cikin waɗannan rijiyoyin, ƙirar sandar{1} dole ne ta yi la'akari da haɗarin lalata, hulɗar gajiya, da kuma ko darajar da aka zaɓa ta kasance mai dacewa akan cikakken tazarar sabis.

Sandunasuna haɗa tahada guda biyu, da zaɓaɓɓuaji guda biyuya shafi duka biyunsanda{0}} mutuncin kirtanikumasuturar tubing. API ɗin jama'a{1}} yana gano wallafe-wallafeDarasi TkumaBabban darajar SMkamar yadda na kowaAPI ɗin haɗin gwiwar azuzuwan, yayin da wasu tsarin samfurin kuma sun haɗa dababban haɗin gwiwa-hanyoyi don ƙarin sabis mai buƙata. Domin dahadawa waje diamitaya fi jikin sanda girma, haɗin gwiwa shine sau da yawa ɓangaren farko na kirtani don tuntuɓar bangon tubing a ciki.karkatattun rijiyoyi. Don haka, ya kamata a yi la'akari da zaɓin haɗin gwiwa tare dadarajan sanda, kirtani kaya, da kyau karkacewa, kuma ana sa ranyanayin sawa, maimakon a bi da su azaman zaɓi na kayan haɗi daban.

Ma'anar aiki mai sauƙi ce: Matsayin sanda, diamita na sanda, da ajin haɗaɗɗiya yakamata a karanta su azaman tsarin aiki ɗaya. Babban sandar ƙarfi mai ƙarfi tare da dabarun haɗin gwiwa mara kuskure na iya shiga cikin lalacewa, gajiya, ko tubing{2}}matsalolin sadarwa a cikin sabis.

A sandar tsotsashine daidaitaccen cikakken sashin sanda na tsawon{0} da ake amfani dashi don gina yawancin igiyoyin sanda. Asandar dokishine guntun guntun sanda da ake amfani dashi don daidaita jimlar tsawon kirtani. API ɗin na yanzu{1}madaidaitan adabin ya lissafta daidaitattun sanduna a25 ft da 30 ft, yayin da ake yawan jera sandunan doki a2, 4, 6, 8, 10, da 12 ft.

Wannan bambance-bambancen yana aiki, ba kawai girma ba. Ana amfani da sandunan doki lokacin da dole ne a daidaita tsayin sanda na ƙarshe don haka famfo ya faɗi daidai kuma jigon bugun jini yana aiki kamar yadda aka yi niyya.

Magana kyauta

FAQ

 

 

01.Shin za a iya amfani da igiyar tsotsa iri ɗaya don yin famfo katako da sabis na PCP?

Ba ta atomatik ba.Ƙwaƙwalwar katakoyafi loda igiyar sanda a cikitashin hankali axial reciprocating, yayin dasabis na PCPkuma yana karawatorsional kayada yanayin lalacewa daban-daban, don haka daraja, diamita, da ƙirar haɗin kai galibi suna buƙatar sake dubawa daban-daban.

02.Yaushe ake buƙatar sandar doki a cikin igiyar sandar tsotsa?

A sandar dokiana amfani da sandar ƙarshe - dole ne a daidaita tsayin kirtani don haka famfo ya faɗi a zurfin da ake buƙata. API ɗin Jama'a{2}}madaidaicin wallafe-wallafen samfur yawanci yana lissafin daidaitattun sanduna a25 ft da 30 ft, da sandunan doki a2–12 ftdon wannan aikin daidaitawa.

03.Does a mafi girma sanda sa ko da yaushe yana nufin mafi kyau sanda kirtani?

A'a.Zabin darajadole yayi daidaida kyau wajibi, ciki har damatakin lodi, matakin lalata, tsananin gajiya, da kuma ko kirtani yana aiki a cikikatako famfokoPCPhidima. Ana amfani da jeri mai ƙima ko babba{1} lokacin da ainihin aikin ya wuce iyakar ƙimar API mai amfani, ba azaman haɓakawa ta asali ba.

04.Me yasa zaɓin haɗakarwa yana da mahimmanci idan matakin sanda ya riga ya yi daidai?

Dominhada guda biyusuna cikin tsarin sandar aiki -tsarin kirtani, ba kawai masu haɗawa ba. Matsayinsu, hanyar taurinsu, da tasirin diamita na wajelodin canja wuri, haɗin kai mutunci, kumatubing lamba, musamman a cikinkarkatattun rijiyoyiinda couplings iya tuntuɓar bangon tubing da farko.

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