Isikulufa motor downhole: izici, imigomo yokusetshenziswa idivayisi

Amafutha, umkhakha igesi ezidinga ukusetshenziswa imishini ekhethekile. ). Ngoba inhlangano lomjikelezo zokusebenza ngokuvamile sisetshenziswa downhole imishini motors (PDM). Ehilelekile ukukhiqizwa amaminerali liquid gaseous, futhi eziqinile, futhi lungasetshenziswa e inqubo ukukhanda imithombo ekhona.

Imishini ekhethekile enezinto eziningi izici ekhethekile lobuchwepheshe. Ukuze sesisonke ukufeza ngokugcwele umsebenzi wawo, kuyadingeka kahle ukhethe, ngokuhambisana nemibandela yokusebenza ekhona. Ngenxa yale njongo, kufanele aqondwe kudivayisi HMI design, kanye nemithetho ngoba uhlelo lwayo lokusebenza ezizindeni ezihlukahlukene.

izici Jikelele

применяется в добывающей промышленности для осуществления бурения глубоких, наклонно-направленных, горизонтальных и вертикальных скважин. Screw motor downhole elisetshenziswa imboni yetetimayini Drilling ezijulile, baphambukile, imithombo evundla mpo. It ikuvumela ukuba bayamba ipulaki isihlabathi, usawoti imali, usimende amabhuloho.

Injini ukwenza imisebenzi yaso, it has a torque engu ezithile. Kuye imishini yabo Ukucaciswa ongabhubhisa emadwaleni ijubane edingekayo. Lokhu kunikeza ukusebenza kahle eliphezulu inqubo umjikelezo.

PDM ubukhulu kungenzeka kusuka 54 kuya 230 mm. Umklamo wasebenzisa tines eqinile kodwa uvumelane nezimo. Lokhu kuvumela rigidity ephezulu eguqa, ukunciphisa ukuvuza liquid lapho uzotshala.

началось в 1962 году. Ukukhiqizwa isikulufa motors downhole waqala ngo-1962. It wakhipha nomkhiqizi "Dine-Drill" US. Kwakuyisikhathi futha olulodwa isikulufa. umklamo Okufanayo yasungulwa ngo-1930 ngu-engineer French Moineau.

Izici PDM wokuqala wayehlukile kuzo amayunithi yesimanje. Sinikeza imishini ngempumelelo ohlangothini. Ngakho izinga layo lihlale linemibhikisho kwaba 200 ngomzuzu. / Min. Ngo-1966, iyunithi eyabekwa ubuchwepheshe zasekhaya, okuyinto isivinini esiphansi. Wakwazi ulungise isivinini kusukela 100 kuya 200 ngomzuzu. / Min.

Ngokuhamba kwesikhathi, idivayisi kwaba ngcono. Kube eziningi izinhlobonhlobo imishini enjalo. Zisetshenziswa emikhakheni eyehlukene bakhululeke abezimboni zezimayini. Ukuqinisekisa imishini efanele ezimweni ezahlukene, ukwakhiwa kanye ne-operation ye-HMI kungahluka kancane. Nokho, isimiso sokuthi main wokusebenza kubasalele zonke izinhlobonhlobo okufanayo.

design

I design yalesi imishini ingase ibe kancane ehlukene. Этот прибор является симметричным роторным оборудованием. Ngokwesibonelo, cabanga kudivayisi DR isikulufa motor downhole 95. Le divayisi kuyinto imishini lesinesitfombe-sibuko yokunyathelisa. Lapho umsebenzi wakhe isetshenziswa gearing uhlobo etshekile. Mshini is actuated Umfutho ukunikezela uketshezi.

Umklamo siqukethe inhlangano motor, futhi ingxenye ukusebenza. Isici sokuqala uhlelo main force ingxenye. Kuyinto kusukela izici zayo ancike izici zokusebenza imishini. Lezi zihlanganisa umthamo kanye nokusebenza kahle, torque, futhi ijubane Rotor.

Umhlangano motor yakhiwa stator (izindlu) kanye faka Elastomeric ne ngentambo. Ngoba obandakanya Rotor. Ukujikeleza iqala uketshezi Umfutho. igobolondo Nokunwebeka uhlukanisa ekamelweni ku izimbotshana ezimbili. It is akhiwe ngerabha okuhlala, ukugqoka nemithi. Ngemva ukuxhumana izinhlayiya olwalwenza phezu awusebenzi zephule impahla.

влияет множество факторов. Ukusebenza downhole imishini motors ehlaselwe izici eziningi. Isakhiwo Rotor ine uhlobo sokuprakthiza. enamathela yayo okuhlala isikhathi eside kakhulu, ezenziwe ngensimbi elixutshiwe. Inombolo namazinyo Rotor lingaphansi eyodwa ukudlula stator. Umhlangano motor has a ukungezwani toothing ezithile. It kuncike izici uketshezi ukusebenza, ukusebenza lokushisa nokunye. D.

Izingxenye ukusebenza ethulwa ngu inhlangano othini lokuphotha kanye engela Regulator. Eyokuqala wabo okuhambisa-torque engu-ithuluzi zokusebenza. Yena is phansi eside Axial imithwalo. Umhlangano lokuphotha Unomzimba futhi imilenze emibili. Bekhuphuka kushaft. Umhlangano kungenzeka livuliwe noma livaliwe.

Umgomo we operation

определяется особенностями конструкции. Umgomo we operation isikulufo motor downhole kunqunywa izici design. Lokhu volumetric imishini yokunyathelisa. I stator we motor ne izimbotshana eduze emakamelweni ingcindezi ongaphakeme kanye eliphezulu. Rotor isikulufa uhola. Ngalo okuhambisa torque engu kuya actuator.

Izikulufu okuthiwa contactors enophephela ilungu. Bona unamathelise injini. Nge contactors kwenzeka ukuvimbela ingress uketshezi esuka egumbini nge umfutho ophakeme kuleli ongaphakeme ingcindezi ngokuhlukana.

ukhiphela Liquid ngaphakathi isakhiwo ngokusebenzisa imizimba ukusebenza. Lokhu ukuhamba kungenzeka ngenxa umehluko ingcindezi. Lapho lokhu kwenzeka ngo-torque Rotor. izakhi Intulo emizimbeni ukusebenza Okusizayo ivaliwe. Basuke ahlukaniswe indawo umfutho ophakeme futhi ingcindezi ongaphakeme.

похож на работу поршневых разновидностей оборудования. Ngakho-ke, isimiso isikulufo motor downhole iyafana izinhlobonhlobo umsebenzi piston kwemishini. Izidumbu tekusebenta PDM kukhona kuphuma disparate. Ngenxa yalesi, inani stator namazinyo kunqunywa sikhulu ngamaphesenti elilodwa kunalokho engikuthole Rotor (ilungu kwangaphakathi). Ubude izidumbu ukusebenza asikwazi ukuba ngaphansi kuka-iphimbo we ebusweni Helical ilungu langaphandle. Lokhu kunquma ekusebenzeni kahle kohlelo. Isilinganiso izinyathelo evele zangaphandle engaphakathi izipikili Ingxenye sesibalo samazinyo. amaphrofayli zabo zinezikhathi ifomu vzaimoogibaemoy. Lokhu kubenza babe contact okuqhubekayo kunoma iyiphi ingxenye bamba.

Kaningi ingenye imingcele eyinhloko imishini. PDM production ezifuywayo banemizimba amaningi okusebenza. izinkampani Foreign akhiqize izinjini unikezwe eyodwa noma ngaphezulu overhangs Rotor.

ngezigaba

Ngokuhambisana izici ezihlukahlukene kwenzeka ngezigaba isikulufa motors downhole. Ngesisekelo isicelo, kukhona izigaba ezintathu oyinhloko PDM:

1. Amayunithi ngoba Drilling ohlangothini mpo. Banezinhliziyo ukubulawa oqondile. I ububanzi elingaphandle amayunithi enjalo zokhahlamba kusuka 172 kuya 240 mm.
2. Isisetshenziswa ngoba imishini evundla ohlangothini. motors okunjalo abe ilungiselelo lwalugobile. I ububanzi kungenzeka kusuka 76 kuya 240 mm.
3. Amadivayisi umsebenzi wokulungisa. Banezinhliziyo ukubulawa oqondile. I ububanzi elingaphandle ivela 43 kuya 127 mm.

127, 88, 76, 43 мм может иметь прямое исполнение. Amandla amayunithi angase abe ingxenye esebenzayo ubude 550 cm. I isikulufa downhole motor 105, 127, 88, 76, 43 mm kungaba ngokuqondile ababulawa. Futhi iyatholakala amadivayisi nge ikhono ulungise engela. Iphinde ivumele i imishini enalokho kuthambekela noma ovundlile. amandla amayunithi asetshenziselwa ukwakha kahle mpo. ubukhulu zabo zangaphandle kufanele kube amandla okwenza okukhulu. ubukhulu Ubukhulu ngoba lokubolekwa ezinjalo kungase kungabi ngaphansi kuka 178 mm.

Izinhlobonhlobo elula kakhulu futhi engabizi yalesi imishini kukhona PDM ukulungisa imithombo. Lokhu amayunithi eyizingqabavu sezifakelwe amabombo torsion ukudluliswa, iraba-metal.

imishini Drilling ifakwe i eyengeziwe amayunithi eziphuthumayo. Lokhu ugwema kokushiya imininingwane kuya phansi uma zokugwema ukuphuka kwenzeka. Uthi lokuphotha motors linezingxenye for imishini ohlangothini futhi ovundlile yakhiwa tungsten Carbide osabalalayo amabombo. amabombo abo babe okusezingeni eliphezulu umthamo umthwalo aphethe umqondo.

Umklamo ungakwazi ukungezwa PDM-kodaka isicupho izihlungi, calibrators, centralizers, ephambene nempumuzo valve. Futhi, iphakethe ingase ihlanganise ezihlukahlukene izingxenye ezisele.

Inani izigaba

может иметь одну, две или три секции. Screw motor downhole angase abe munye, ababili noma abathathu izigaba. Lokhu kunquma ukwakhiwa ethile kanye nokusebenza idivayisi. "D" zinhlobo Simplex elibonakala incwadi. Zakhiwa a othini lokuphotha kanye motor izigaba. Futhi ekuklanyweni samanje valve zichichima.

imiklamo Simplex kukhona version iqonde futhi kuvame kakhulu ukuba kusetshenziswe i-ukukhanda imithombo. Ngenxa izici mshini, ukusetshenziswa kwezigxivizo ekhethekile Drilling zingenzeka ingcindezi umehluko ku kancane kuze kufinyelele 8-10 MPA. imiklamo Simplex zenziwa ezweni lethu kanye nasemazweni aphesheya. Basuke kabanzi yesimanje yimboni yetimayini.

могут иметь определенные особенности конструкции. Sectional isikulufa motors downhole ngoba imishini angase abe nezici ezithile design. Ukusebenzisa kwabo kubhekwa ifaneleka kakhulu. izinhlobonhlobo Simplex kakhulu ukulahlekelwa amandla abo nezici ngesikhathi bafake isikulufa ngazimbili.

izinhlobo Multisection of imishini namuhla zithandwa kakhulu. Ngenxa design yabo izici ziyancipha umthwalo umbhangqwana ukusebenza. udaka ukugeleza nayo iyancishiswa. Kuye ekilasini yabo ekubizweni khona 2 izincwadi. kungenzeka "DS" uhlobo motors esetshenziselwa imishini bayichezukisa futhi mpo Imigudu izinjongo ezihlukahlukene. Yabo imishini uketshezi kungaba ezingeni lokushisa ngenhla 373 K.

"DW" uchungechunge abe obuphelele emifushane. Kuyadingeka amandla nemitfombolusito ijoka kwesigaba ihlinzeka-step ezimbili. Ngo ezakhiwe ezinjalo zisetshenziswa izindlela ezihlukahlukene ugobile umzimba. Abakwazi ifakwe amadivaysi ngokugxilisa.

Uchungechunge "UKUZE" uvezwa deflector. Banezinhliziyo esincane kanzima insaliwe. kwesigaba lokuphotha watsheka engela angahlelekile. Isetshenziswa ukwakha Imigudu olwehlelayo. "DR" kumadivayisi uhlobo ukulawula engela ugobile.

turboprop ezahlukeneyo

. A uhlobo kuqhathaniswa entsha ye imishini kuyinto motors ophephela isikulufa downhole. Basuke izimpawu ukumelana esiphakeme futhi high ekusetjentisweni kwemandla ngalokuyimphumelelo. Lolu hlobo amayunithi ngezinye izikhathi kubhekiselwa kumuntu turbodrills ekilasini bazilungiselela.

On Helical igiya pair inikezwa umsebenzi we isimame. Lokhu kwenza kube nokwenzeka ukuba nokwandisa ukusebenza kancane ngaphansi komthwalo. Umklamo we izinhlobo turbo isikulufa ehlukene obulukhuni okusezingeni eliphezulu. Ngezinye indalo yayo kudinga ukuhlanganisa indaba eningi. Ngakho-ke, izindleko le imishini sisalokhu siphakeme. Nokho, ukuphila inkonzo yayo idlula zinhlobo evamile PDM.

Helical pair emelelwa lokubolekwa kungenzeka ogibele kwesigaba ophephela noma phakathi kwaso gumbi uthi lokuphotha. Inketho yokuqala ngaphezulu elula. Isakhiwo iyunithi kulokhu kuhlanganisa eyodwa kuphela uxhumano engeyokuqala. Samuntu isikulufa pair yesibili kangako ngenxa yinkimbinkimbi yayo. Kuyadingeka ukudala ezimbili eziphendukayo uxhumano engeyokuqala.

Izici PDM

определяют их характеристики. Izici Drilling downhole imishini izinjini ukuchaza izici zabo. Badinga kucatshangelwe kukhethwa efanele imishini nemingcele. Imigomo imishini esitebeleni kufanele kugcinwe kuyo yonke inqubo ukukhiqizwa. Namuhla PDM ngcono ngokuhambisana nezidingo ezikhona izinkampani zezimayini.

izici Izinsiza kusebenza njalo ngcono. Lokhu kukuvumela ukuba kahle ukusebenzisa ubuchwepheshe obusha embonini yezimayini. futha ngemoto adjustable ayesetshenziswa kakhulu ezweni lanamuhla. Drilling kungenziwa kwenziwe iziqondiso enalokho kuthambekela futhi ovundlile. Futhi, indlela usebenzisa tube okuqhubekayo. Ukuqinisekisa umkhiqizo eliphezulu izinqubo ezintsha, imishini izici Sizohlola nezindlela ezihlukahlukene.

Uma kuhlelelwa uhlelo imishini eyenziwa ebhentshini ukuhlolwa PDM. Lokhu kubenza bakwazi ukukhomba langempela yokusebenza nemingcele. Lokhu kubandakanya izindleko ezengeziwe umenzi. Nokho, imishini isetshenziswa kahle. Ukukhiqizwa imijikelezo ihlelwe ngokuvumelana. Ngokusho ingcindezi okuyinto ekhona yesikhuphukeli zingalawulwa by umthwalo kancane. Lokhu kubandakanya ukwanda imishini kahle.

могут иметь статические или динамические характеристики. motors Downhole ngoba imishini imithombo angase abe nezimfanelo emile noma ashukumisayo. Esimweni sokuqala sibonisa kwencika emkhatsini wetinombolo ebonwe izimo engaguquki-state. izici Dynamic kubonise izinkomba sengqondo izindlela engagxilile. inertia zabo kubangela izinqubo uyalandelwa.

Iphosta nomthwalo izici

требует соблюдения установленных производителем оборудования правил и норм. Drilling isikulufa motors downhole kudinga ukuhambisana nemithetho osungulwe futhi izinkambiso umenzi imishini. Bazimisele esebenzisa iphosta noma umthwalo izici. Esimweni sokuqala, ukukhiqizwa kwanoma ihlolwe umsebenzi torque. Layisha izici zinqunywa ngemva ebhentshini test ezimweni ezithile ukudala imithombo.

Njengoba kwanda torque engu wadala ezithile ingcindezi iconsi. Lokhu kulinganisela kwandisa yemigqa. ijubane ukujikeleza ekuqaleni isivivinyo yehliswe kancane. Lapho yokuma iconsi egcwele kwenzeka ngokuphazima kweso. Curves kahle jikelele futhi umthamo ube ngendlela eyeqisayo.

Ukuhlola wenziwa izindlela ezine eziyisisekelo (elilungile, eyodwa, kakhulu futhi bopha). PDM yokusebenza mode kulolu cwaningo ngaphansi kwezimo zokukhiqiza izimo ezimbi kakhulu. Ngaphakathi accordance nga lo imodi kubonakala ipasipoti idatha imishini.

Kuyinto elilungile uma iyunithi isetshenziswa izindlela zazo offset kwesokunxele kusukela izimo zokusebenza kakhulu. Torque wale ndaba uzoba zinenani ezincane. Ngezinye Imodi ngokwedlulele kunqunywa ephumelela kunazo ukwa amatshe. Umngcele kule modi sihamba eduze indawo ukuzinza wokusebenza. останавливается. Nge okwengeziwe okwandisa umthwalo imishini isikulufa downhole motor izitobhi. Kufika imodi unyathela amabhuleki.

Izici wokusebenza

Ngokusho imiphumela ukusebenza ukuhlolwa imishini ubeka imithetho yokusebenza isikulufa motors downhole. Esikhathini abandayo isizini indlela wotha umusi noma amanzi abilisiwe ashisayo. Lolu ketshezi egeza kumele ibe nezinga elithile viscosity kanye kwabantu. Akufanele kube esihlabathini.

Lapho iyunithi uzobe sehliselwe endaweni ka 10-15 amamitha ukujula, kudingeka uvule futha, kugeze kahle endaweni. Injini kule sikhathi akuvali. Uma kancane yintsha, kubalulekile ukwenza ukugijima-e yayo nge Axial umthwalo encane.

Ithuluzi kufakwa emthonjeni ngokushelela. Kufanele kube khona jerks. Ngezikhathi enze cranking PDM. Kuyadingeka ukuba kahle wasibekela kwemigomo ukugeleza wokugeza ketshezi. Ngenxa yalesi kubalulekile ukuba acabangele izici akhawunti ye yokuhlanza ubuso.

Ngo kokuhlinzwa, umusi zokusebenza lizogcina likhathele. , необходимо увеличить расход промывки. Ukuqinisekisa ukusebenza kahle eliphezulu ekuqhubeni screw motor downhole, kubalulekile ukwandisa ukugeleza egeza. Kufanele kube 20-25% ngaphezulu ekupheleni umsebenzi kuqhathaniswa ezingeni kokuqala.

Ukuze injini akuyona zanqwabelana kodaka, kuyadingeka ngaphambi amandla umthamo noma ephakamisa ngesikhathi esikhundleni kancane engahashazanga kahle. Kuphela ngemva kwalokhu, ithuluzi is osindayo endaweni phansi 10-12 m. Ungabese ayeke futha, vula valve.

Futhi ngesikhathi ukusebenza nezinto ezidingekayo ukuze sifeze yokuqinisekisa ukusebenza kwawo. Engine nge PERIODICITY esungulwe ethunyelwe yesondlo. Ngokunciphisa umthamo wayo, ukusebenza imishini uthunyelwa iyokhandwa. Le nqubo futhi liyadingeka ephakeme lokuphotha imvume. Futhi, inqubo injini lwesondlo owazenza sliming noma ukwehluleka ukwenza kwethulwa kahle.

Ekuphetheni

должен обладать определенной скоростью потока моющей жидкости. Screw motor downhole kumele abe ukugeleza ezithile izinga lalolu ketshezi egeza. Izindwani ngaphezulu has a Rotor, aba maningi lemali wokugeza angadingeki imishini inqubo. Nokho, lokhu kuholela ekwandeni emhlanganweni bafake.

Lapho kungekho umthwalo imishini (uma wacosha emthonjeni), ingcindezi ngaphakathi lehla. Uma Rotor hung, ukuletha imishini ezisindayo. Ukuze wenze lokhu, omningi amandla liyadingeka.

Lapho umthwalo inyuka phezu HMI ngesikhathi kokuqala waphawula ingcindezi iconsi. Nokho, esimweni lapho Rotor unwinding.

Ngo ukusebenza, iyunithi kufanele inake esiphezulu ingcindezi ovumelekile engxenyeni yokusebenza. Uma usetha emgqeni idlule elastomer is likhubazeke. Torque kulahleka. Kulokhu, umsebenzi ngeke ukwazi ukuba phambili, futhi uketshezi wokubacindezela ayozithola ngokusebenzisa injini idling.

I aphansi yokusebenza ingcindezi ukulahleka kuyagcinwa ngokwandisa endaweni Sectional we kancane. Uma usayizi waso kuyehla, kukhona bafake ngokushesha amabombo. Ukusakaza ketshezi akanayo isikhathi sokwehlisa kubo.

его основные характеристики и условия применения, можно правильно подобрать оптимальную модель оборудования. Njengoba lokho nenjini isikulufa downhole, izici zako ezisemqoka nemibandela ukusetshenziswa, ungakwazi kahle ukhethe imodeli kahle imishini.