Amathuluzi Amahlanu Ajwayelekile E-Wellhead

Izixhumanisi Ze-Elevator (Amabheyili)

Isakhiwo kanye Nesimiso

Isixhumanisi se-lifti siyithuluzi elikhethekile elisetshenziswa ukubopha ama-lifti lapho kusetshenziswa futhi kukhishwa izintambo zamapayipi ngesikhathi sokubhoboza nokusebenza. Sidinga umthamo omkhulu womthwalo, ukumelana nokushayisana, isisindo esincane, ukuphepha kanye nokuthembeka. Iso elingaphezulu lesixhumanisi se-lifti lilengiswe kuma-hook asizayo ezinhlangothini zombili ze-hook, kanti ingxenye engezansi ixhunywe ezindlebeni ze-lifti. Izingxenye zokuxhumana phakathi kwesixhumanisi se-lifti, i-lifti kanye ne-hook zihambisana nencazelo ye-SY/T 5288-2000.

Izixhumanisi ze-elevator zihlukaniswe ngezinhlobo ezimbili: ezinemilenze eyodwa kanye nemilenze emibili. Izixhumanisi ze-elevator ezinemilenze emibili zivame ukusetshenziswa emithonjeni engajulile enomthamo womthwalo ongaphezu kuka-1350 kN. Izinhlobo ezimbili ezivame ukusetshenziswa emishinini yokubhoboza yizixhumanisi ze-elevator ze-DH1350 kanye ne-SH1350.

Isixhumanisi se-lifti somlenze owodwa senziwe ngensimbi enamandla kakhulu, kuyilapho isixhumanisi se-lifti somlenze ophindwe kabili senziwe ngensimbi ye-alloy esezingeni eliphezulu. Zombili izinhlobo ziphathwa ngokushisa ngokucophelela futhi ziqedwe phezulu, okuholela ekuqineni nasekuqineni okuphezulu.

Ama-lifti

I-elevator iyithuluzi elisetshenziswa njengekhanda lomthombo elisetshenziselwa ukubopha ngqo intambo yepayipi ngesikhathi sokubhoboza nokusebenza. Ixhunywe kusixhumanisi se-elevator esingenhla, futhi ubukhulu obuhlukene be-bore bubopha izintambo zepayipi ezihlukene.

- Ngokusho kwentambo yepayipi elengayo, ama-lifti ahlukaniswe ngamaqembu: ama-drill pipe elevators, ama-casing elevators kanye nama-tubing elevators.

- Ngokwesakhiwo, ama-lifti ahlukaniswe ngezigaba: uhlobo lwe-double-lock-door-side, uhlobo lwe-hinged kanye nohlobo lwe-latch ring. Uhlobo lwe-latch ring aluvamile.

I-elevator yohlobo lwe-CSD isetshenziswa kabanzi ezindaweni zokubhoboza zasekhaya. Yakhiwe kakhulu ngomzimba, umnyango, iphini le-cotter, isibambo sephini lokukhiya, isikulufu sokulinganisela, izikhonkwane zokukhiya eziphezulu nezingezansi, njll. Amahlombe ayo athwala umthwalo afaka ihlombe eliyisicaba kanye nehlombe elinciphile elingu-18°.

1. Ilifti yomnyango oseceleni

I-elevator yomnyango oseceleni yohlobo lwe-CD inezingxenye ezifana nomzimba nomnyango. Umnyango uxhunywe emzimbeni nge-pin shaft ukuvula nokuvala i-elevator bore. Uma umnyango uvaliwe, ukhiywa ngokuzenzakalelayo ngomzimba ngezikhonkwane zokukhiya eziphezulu nezingezansi. Ukuze uwuvule, cindezela isibambo sephini lokukhiya bese udonsa ngaphandle ngamandla amancane. Ubuso obuphezulu bomzimba bune-double-lock limit block. Uma ulayishwa ebusweni obuphezulu, intambo yepayipi icindezela i-limit block, futhi umnyango awukwazi ukuvulwa noma ukuvalwa. Kuphela uma kungekho mthwalo ebusweni bomzimba obuthwala umthwalo futhi i-limit block ingahamba phezulu naphansi lapho umnyango ungavuleka futhi uvalwe ngokukhululeka. I-limit block inikeza umsebenzi wokuvikela ukuphepha.

Isethi ngayinye yama-lifti inikezwa ama-safety pins amabili. Ngemva kokuba izixhumanisi ze-lifti zifakwe emigodini yezindlebe ezinhlangothini zombili zomzimba, ama-safety pins afakwa ukuze kuvinjelwe izixhumanisi ukuthi zingaphumi, okuqinisekisa ukuphepha ngesikhathi sokusebenza kwamapayipi nokudonsa.

2. Ilifti enezinsika

Uma kuqhathaniswa ne-elevator yomnyango oseceleni, i-elevator enezinsika kulula ukuyisebenzisa. Yakhiwe kakhulu ingxenye yomzimba wesobunxele, ingxenye yomzimba wesokudla, iphini lokukhiya, isibambo sokuphepha, iphini lokukhiya, isipilingi, njll. Izingalo eziyisikwele ezinhlangothini zangaphandle zezingxenye zomzimba wesobunxele nesokudla zisetshenziselwa ukubopha izixhumanisi ze-elevator. Iphini lokukhiya libopha izingxenye zesobunxele nesokudla ndawonye. Isibambo sokuphepha siqinisekisa ukuthi iphini lokukhiya alivuli ngesikhathi sokukhubeka.

3. Ukusetshenziswa kwezilifti

(1) Ngaphambi kokusebenzisa, gcina endaweni eyomile futhi enomoya omuhle ukuvimbela ukugqwala nomonakalo.

(2) Ngemva kokusebenzisa, susa uwoyela, udaka kanye nokungcola ekheshini, hlola umonakalo, faka uwoyela njalo endandatho yangaphakathi kanye nasebusweni bokugcina bekheshini bese umboza uwoyela wokuvimbela ukugqwala, ugcine endlini endaweni enomoya futhi eyomile. Ungasebenzisi izinto zokuhlanza ezigqwalisayo.

4. Izinyathelo Zokuqapha

(2) Izinga lokushisa lokusebenza akufanele libe ngaphansi kuka--40°C.

(3) Ungawisi noma ushaye ilifti ukuze ubangele ukuguquka kanye nomonakalo wemishini.

(5) Ukushisela, ukusika, ukugaya, ukwenza imishini, ukubhoboza kanye nokunye ukucubungula ngomshini emzimbeni we-lifti akuvunyelwe ngokuphelele.

(6) Uma ukuguguleka kwezingxenye ezicindezelekile kudlula u-1.5mm, lungisa noma yeka ukusebenzisa.

(7) Usayizi welifti kufanele uhambisane nobukhulu bethuluzi lokubhoboza, ihlombe lomthwalo kufanele libe yisicaba ngaphandle kokuguquka noma ukuguguleka okukhulu, iphini lehinji kanye nephini lokuphepha kufanele kugcotshwe, futhi umnyango kufanele uboshwe ngendlela eguquguqukayo, ephephile nethembekile.

(8) Uma ukhubeka noma usebenzisa ikhesi, iphini yokufaka ukuphepha kanye ne-lifti encane kumele kusetshenziswe. Uma usetha ilifti etafuleni elijikelezayo, gwema ukushaya ngamandla okungazelelwe. Ukuxhuma ngaphandle kwenethiwekhi akuvunyelwe ngokuphelele.

(9) Ukulayisha ngokweqile akuvunyelwe. Ungafaki i-sling ngaphakathi kwe-lifti ukuze uphakamise izinto ezisindayo.

(10) Uma usetha ilifti etafuleni elijikelezayo, gwema iphini yokukhiya ye-master bushing bese uyibeka kahle ukuze zombili iziphetho zilayishwe ngokulinganayo.

Ama-Slips

Ama-slips amathuluzi asetshenziswa ukubamba nokulengisaintambo yokubhobozaemthonjeni ngesikhathi sokubhoboza. Izimbobo zakhiwe kakhulu yimizimba yokushelela, ama-slip dies, izibambo kanye nezingxenye ezixhumanisayo. Osayizi abahlukene bezintambo zokubhoboza badinga osayizi abahlukene bezimbobo.

1. Ukuhlukaniswa kwama-slips

- Ngokwemisebenzi: iziliphu zepayipi lokubhoboza, iziliphu zekhola lokubhoboza kanye neziliphu zekhava.

- Ngokwesakhiwo: iziliphu ezinezicucu ezintathu nezine, iziliphu ezinde nezifushane, njll.

- Ngemodi yokusebenza: ukushelela kwamandla kanye nokushelela ngesandla.

2. Iziliphu ezinezingcezu ezintathu

Izingcezu ezintathu ziqukethe imizimba emithathu yokushelela ehlukaniswe ngezigaba. Imizimba emithathu yokushelela ihlanganiswe ndawonye ngezikhonkwane zehinge kodwa ayivali ngokuphelele, okuvumela intambo yokubhoboza ukuthi idlule ngokukhululeka. Umzimba ngamunye wokushelela unemifantu yedovetail ejikelezayo futhi ifakwe amapuleti e-liner kanye nama-slip dies. Ngokushintsha amapuleti e-liner kanye nama-slip dies, izingcezu zingasetshenziswa ezintanjeni ezahlukene zokubhoboza ngaphakathi kobubanzi obulinganiselwe.

Imininingwane yobude

Amapayipi okubhoboza (i-Varco) atholakala ngezincazelo ezintathu zobude: i-SDS, i-SDML kanye ne-SDXL.

- Uhlobo lwe-SDS: ama-slip amafushane, ububanzi bosayizi: 2-3/8″ kuya ku-4-1/2″

- Uhlobo lwe-SDML: ama-slips aphakathi nendawo, ububanzi bosayizi: 2-3/8″ kuya ku-5-1/2″

- Uhlobo lwe-SDXL: ama-slips aphakathi nendawo, ububanzi bosayizi: 3-1/2″ kuya ku-5-1/2″

Uma izimbobo zibamba intambo yokubhoboza futhi zihlala ebhushi elijikelezayo, izimbobo zokubhoboza zibamba intambo yokubhoboza eduze, bese intambo yokubhoboza ibambeke. Uma uphakamisa izimbobo, ngoba amazinyo ezimbobo zokubhoboza abheke phezulu kancane, ubuso be-slip die buphuma kalula entanjeni yokubhoboza. Ukuphakamisa izimbobo kuvumela intambo yokubhoboza ukuthi iphakanyiswe noma yehliswe. Izimbobo zalolu hlobo zifaka izimbobo ezingu-2-1/2″, 4-1/2″, 5″ kanye no-7″.

Uma kudingeka ukuthi ama-slip athwale imithwalo esindayo, kungasetshenziswa ama-slip amathathu ane-angle enkulu yokugoqa. Izici zawo zesakhiwo ziyi-angle enkulu yokugoqa ezungeze intambo yokubhoboza kanye nemizimba emide yokubhoboza, enikeza ukubamba okukhulu kanye nobude obude bokubamba ukuze imelane nemithwalo esindayo, efanelekela imithombo ejulile. Ngenxa yokuthi ama-slip dies alayishwa ngawodwana emzimbeni wokubhoboza, awasheleli lapho ebamba intambo yokubhoboza. Ububi balolu hlobo lwama-slip ukuthi ngenxa yama-slip dies amakhulu, avame ukuwela emgodini uma ephukile ngesikhathi sokusebenza. Ngakho-ke, lapho kukhiqizwa ama-slip anjalo, izinto ezingcono kanye nobuchwepheshe bokukhiqiza obuphezulu kumele kusetshenziswe ukuthuthukisa ukumelana nokuqhekeka.

3. Iziliphu ezinezicucu eziningi (iziliphu zekheyisi)

Lolu hlobo lwezingcezu eziningi luvame ukusetshenziselwa imithwalo emikhulu. Umzimba ngamunye wokushelela uhlanganiswe ndawonye kusetshenziswa izikhonkwane zokuxhuma kodwa awuvaleki ngokuphelele. Umzimba ngamunye wokushelela unemifantu ejikelezayo yedovetail, futhi umfantu ngamunye ubamba idayisi lokushelela elilodwa. Kunezingcezu eziyishumi nanye sezizonke.

4. Ikhola yokubhobozaiziliphu

Ama-drill collar slips (i-Varco) atholakala ngamamodeli amathathu: i-DCS-S, i-DCS-R, i-DCS-L.

- Ububanzi bosayizi be-DCS-S: 3″ kuya ku-4″, 4″ kuya ku-4-7/8″

- Ububanzi bosayizi be-DCS-R: 4-1/2″ kuya ku-6″, 5-1/2″ kuya ku-7″

- Ububanzi bosayizi be-DCS-L: 6-3/4″ kuya ku-14″

5. Iziliphu zokuphepha

Iziliphu zokuphepha zisetshenziswa kanye neziliphu ezivamile lapho kusetshenziswa amakhola okubhoboza, imiphongolo eyinhloko kanye namapayipi amakhulu ukuvimbela intambo yokubhoboza ukuthi ingaweli emgodini. Zakhiwe izingxenye eziningana zokubhoboza ezixhunywe ngamaphini ngemigodi yephini, lapho iziphetho zixhunywe ngephini leketanga kuya kusikulufu esinentambo, okwenza ukubhoboza okulungisekayo. Ukushintsha inani lezingxenye zokubhoboza kuvumela ukubhoboza okuphephile ukuthi kuvumelane nobukhulu obuhlukene bekhola lokubhoboza kanye namapayipi.

- Kumakhola okubhoboza angenamahlombe, kufanele kusetshenziswe iziliphu zokuphepha.

- Iziliphu zokuphepha okungenani zakhiwe yimizimba yezingxenyana zokushelela, ama-slip dies, izipilingi, isikulufu sokulungisa, i-nut, isibambo kanye nezinduku zokuxhuma.

- Uma usebenzisa iziliphu zokuphepha, ngemva kokuqinisa i-nut, thinta kancane iphini ngalinye ngesando ukuze i-slip die ngayinye ixhumane ngokugcwele nekhola yokubhoboza, ngaleyo ndlela inikeze isivikelo sokuphepha.

- Isiliphu sokuphepha kufanele sibe ngamasentimitha angu-5 ukusuka eziliphu ezivamile.

6. Ukuhlolwa ngaphambi kokusetshenziswa

1) Faka esikhundleni ama-slip dies uma egqokwa ku-1/4 yokuphakama kwawo kwasekuqaleni.

2) Uma i-slip die entsha inyakaza endaweni yokubamba i-die, umzimba we-slip kufanele ulahlwe.

3) Zonke izindawo zokubopha kufanele zihambe ngokukhululeka futhi zibe nezingxenye eziphelele; zithathelwe indawo uma zigugile.

4) Uma izimbobo zivuliwe, imbobo akufanele ibe ngaphansi kosayizi ojwayelekile wethuluzi lokubhoboza.

5) Ngemva kokufaka ama-slip dies amasha, okungenani u-80% wamazinyo kufanele athinte umzimba wethuluzi lokubhoboza.

7. Izinyathelo Zokuqapha

(1) Khetha usayizi ofanele wokushelela ngokusekelwe kuthuluzi lokubhoboza elingaphansi.

(2) Hlola ukuthi ama-slip dies abukhali kangakanani. Akufanele akhululeke, afakwe emuva, noma angcolile. Izikulufo nama-cotter pins kumele aphelele futhi aqine. Ama-connecting pins kufanele ajikeleze ngokukhululeka.

(3) Ngemva kokujula kwamamitha ayi-1000, ama-lifti amabili kumele asetshenziswe ukukhubeka. Ukusebenzisa ama-slip ane-lifti ukukhubeka akuvunyelwe (ukusebenza komhlaba).

(4) Uma usebenzisa noma udonsa ama-drill collars, ama-slip kufanele asetshenziswe kanye nama-safety slip. Ama-slip kufanele abe ngama-50 cm ukusuka ebusweni bebhokisi, kanti i-safety slip kufanele ibe ngama-5 cm ukusuka kuma-slip.

(5) Abasebenzi baseWellhead kumele bame ngaphandle kwebanga lokujikeleza kwama-slips ukuvimbela ukulimala kwemilenze uma ama-slips ejikeleza.

8. Ukulungiswa

(1) Ungasebenzisi iziliphu zepayipi lokubhoboza njengeziviphu zekhola lokubhoboza.

(2) Ngaphambi kokusebenzisa, hlola ukuthi zonke izingxenye ezijikelezayo zihamba ngokukhululeka ngaphandle kokunamathela.

(3) Ngaphambi kokusebenzisa, hlola indawo ethambile yomzimba oshelelayo kanye nama-slip dies ukuze ubone ukuthi awekho yini ama-plastic deformation kanye nokuguguleka ngokweqile. Uma kukhona, shintsha ngokushesha. Uma imfucumfucu igcwalisa amazinyo e-slip die, hlanza.

(4) Ungasebenzisi amamodeli angalingani ngesikhathi sokusetshenziswa.

(5) Ngesikhathi sokusebenzisa, gwema ukudonsa intambo yepayipi ngokushesha kakhulu, okungase kubangele ukuqhekeka kwama-die noma kushiye imihuzuko ejulile ebusweni bepayipi. Ungagcwalisi ama-lifti ngokweqile noma uphonsa ama-slip ngesikhathi sokukhubeka okusheshayo okubangela umthelela.

(6) Ngemva kokusebenzisa, hlanza ama-slip. Gcina izindawo zomzimba ezi-slip ezinciphile zihlanzekile futhi uvame ukufaka uwoyela bese uthambisa. Faka uwoyela wokuvimbela ukugqwala ezindaweni eziveziwe bese uwugcina endlini endaweni eyomile enomoya.

(7) Ama-slip dies kufanele afakwe ngamasethi aphelele njengoba kuchaziwe; unganciphisi inani.

(8) Shintsha izingxenye ezigugile ngokushesha.

(9) Ngesikhathi sokusebenza kwensimu, gcina zonke izingxenye zihlanzekile.

Izibambo Zesandla

1. Inhloso

Izintingi zakhiwa yintingi yangaphandle kanye nentingi yangaphakathi ezisebenzisana. Zisetshenziswa kakhulu ekwakheni nasekuhlukaniseni ukuxhumeka kwamathuluzi okubhoboza kanye nokugoba ngesikhathi sokukhubeka nokusebenza kwe-casing.

2. Izinhlobo

- Ngokwezinga losayizi: Izinti zohlobo lwe-B kanye nezinti zokubopha.

- Ngemodi yokusebenza: izinti ezisetshenziswa ngesandla kanye nezinti zamandla e-hydraulic.

Njengamanje, izinti zohlobo lwe-B kanye nezinti zamandla kagesi we-hydraulic zisetshenziswa kabanzi ezindaweni zasekhaya. Izinti zohlobo lwe-B zinobubanzi bosayizi obungu-φ88.9～φ298.4mm. Ngokushintsha ikhanda le-tong, osayizi abahlukene bepayipi bangenziwa noma baphulwe.

3. Ukuhlukaniswa kweTong

Izinti ziyithuluzi eliyinhloko lokuxhuma intambo yokubhoboza. Izintinti ezisetshenziswa ngesandla ezivame ukusetshenziswa ekhanda lethu lomthombo zihlanganisa izintinti ze-DB, izintinti ze-SDD, izintinti zohlobo lwe-B, kanye nezintinti zohlobo lwe-C.

- Izinti ze-DB: Usayizi oyinhloko wokusebenza usukela ku-3-1/2″ kuya ku-8-1/4″. Kunganwetshwa kuze kufike ku-17″ ngekhanda le-tong elengeziwe.

Ububanzi be-torque: 3-1/2″ kuya ku-8-1/4″: 65,000 ft-lb, 8″ kuya ku-17″: 40,000 ft-lb

- Izibambo ze-SDD: Ububanzi bosayizi oyinhloko wokusebenza busukela ku-4″ kuya ku-8-1/2″. Kunganwetshwa kufike ku-17″.

- Izinti zohlobo lwe-B: Zisetshenziswa kakhulu ekwenzeni nasekuhlukaniseni isivalo. Usayizi usukela ku-3-1/2″ kuya ku-13-3/8″. Ikhanda lezinti elinwetshiwe lingafika ku-25-1/2″.

- Izinti zohlobo C: Lolu uhlobo lwe-tong oluphathekayo. Ububanzi bosayizi busukela ku-2-3/8″ kuya ku-10-3/4″. I-torque ephezulu: 35,000 ft-lb

4. Ukugcinwa kanye nokusetshenziswa

1) Gcina isixhumanisi se-hanger siguquguquka ukuze kube lula ukulevelisha.

2) I-latch kumele iguquguquke, iphephe, ithembeke futhi ibe nokunwebeka okwanele.

3) Ngemva kokuhlanganiswa, wonke amajoyinti ekhanda le-tong kufanele abe bushelelezi futhi amaphini okuphepha aphelele.

4) Faka ama-jaw dies esikhundleni sawo uma egqokwa ku-1/4 yobude bawo bokuqala.

5) Faka uwoyela njalo bese uthambisa izingxenye ezihambayo.

6) Intambo yokubopha intambo kufanele ibe phezulu ngangokunokwenzeka.

5. Izinyathelo Zokuqapha

(1) Khetha ikhanda elifanele le-#5 tong ukuqinisekisa ukuthi usayizi wokubamba uhambisana nosayizi wethuluzi lokubhoboza.

(2) I-tong kufanele ibekwe endaweni yokuxhumanisa ithuluzi. Izintingo eziphezulu nezingezansi kufanele zibe ngu-30 ~ 50mm ukusuka ehlombe lokuvala loxhumano ngokulandelana. I-engeli phakathi kwezintingo zangaphakathi nezingaphandle kufanele ibe phakathi kuka-45° ~ 90°. Lapho kuhlanganiswa, i-tong yangaphandle ingaphezulu kanti i-tong yangaphakathi ingaphansi; lapho kuqhuma, i-tong yangaphandle ingaphansi kanti i-tong yangaphakathi ingaphezulu.

(3) Uma ushintsha umhlathi ushona, ungalungi phezu komgodi, futhi uvimbele iminwe ecindezelwe noma ukulimala okuvela ezingcezwini ze-dae ezindizayo.

(4) Uma ubamba intambo, ungabeki iminwe phakathi komhlathi omude ongu-#3 nomhlathi omfushane ongu-#4 ukuze uvimbele ukuchotshozwa.

I-Spinner

I-spinner iyithuluzi lokwenza nokususa ngokuzenzakalelayo ukuxhumana kwamapayipi okubhoboza. Ihlukaniswe kakhulu nge-pneumatic spinner kanye ne-hydraulic spinner.

1. I-spinner yomoya

Amapharamitha ayinhloko e-SSW-40 pneumatic spinner:

- Ububanzi bosayizi: 3-1/2″ kuya ku-9-1/2″ (89-241 mm)

- Isivinini sokujikeleza (ipayipi lokubhoboza elingu-5″): 120 RPM

- I-Torque (ipayipi elingu-5″): 1100 ft-lbs (1490 Nm)

- Umfutho womoya: 90-120 psi (6.2-8.6 Bar)

Izinyathelo zokuphepha zokusebenzisa i-pneumatic spinner

1) Isilinda, umoyaivalvufuthi imigqa yomoya kumele iphephe, ithembeke, isebenze ngendlela eguquguqukayo futhi ingabi nokuvuza komoya.

2) Shintsha amagiya okudlulisa uma amazinyo ephukile.

3) Ububanzi bokuguguleka kwe-drive kanye ne-pressure roller akumele budlule ku-3.175 mm.

4) Isixhumanisi se-hanger kufanele sibe nezimo ukuze kube lula ukulungisa.

5) Oli njalo bese ugcoba izingxenye ezigcotshwe ngokhilimu.

6) Gcina inani elithile lamafutha egiya ebhokisini legiya.

7) Uma kwenzeka ukushelela, umsindo ongajwayelekile, amandla aphansi noma ukuvuza komoya, hlola noma ulungise ngokushesha.

2. I-tong yamandla e-hydraulic

I-Q10Y-M hydraulic power tong yakhiwe kakhulu yi-travel gearbox, i-reduction gear, i-tong head, i-pneumatic control system kanye ne-hydraulic system.

Izinyathelo Zokuqapha Zokusetshenziswa

(1) Usayizi womhlathi wekhanda le-tong kufanele uhambisane nosayizi wejoyinti lethuluzi lokubhoboza.

(2) Uma uhambisa i-power tong ekhanda lomthombo, ungayivuli ngokuphelele i-air valve ngesikhathi esisodwa ukuze uvimbele i-tong ukuthi inganyakazi ngokushesha kakhulu futhi ibangele umthelela.

(3) Ungaphakamisi intambo yokubhoboza kuze kube yilapho iphini selikhumukile ngokuphelele ebhokisini futhi i-tong isikhiphe ithuluzi lokubhoboza.

(4) Uma i-power tong ingasetshenziswa, buyisela wonke ama-hydraulic kanye nama-pneumatic valve endaweni engathathi hlangothi/evaliwe, vala iphampu ye-hydraulic, bese uvala i-air supply valve ku-tong.

(5) Nquma indawo yesibambo sokubeka uzipho oluphezulu/oluphansi ngokusekelwe ekwakhekeni noma ekuqhekekeni. Uma ushintsha izindawo, qiniseka ukuthi zonke izihibe zekhanda lozipho ziqondile ngaphambi kokusebenza; ngaphandle kwalokho, indlela yokusebenza ingase ingasebenzi kahle.

Xhumana: uJessie Zhou

Ucingo/I-Whatsapp:+0086-18109206861

Email: energy@landrilltools.com