I-LANDRILL 150 ewuchungechunge ekhululayo futhi ezungezayo i-overshot iyithuluzi lokudoba langaphandle lokuzibandakanya, ukupakisha nokulanda izinhlanzi ezishubhu, ikakhulukazi ngekhola yokubhola kanye nepayipi lokubhoboza. Ukubambana kwe-overshot kungaklanyelwe osayizi abahlukene bezinhlanzi, ngakho-ke i-overshot eyodwa ingagqokiswa ngosayizi ohlukene wezingxenye zokulwa ukuze udobe amasayizi ahlukene ezinhlanzi.
Ukwakha
I-Series 150 Overshot iqukethe izingxenye ezintathu zangaphandle: I-Top Sub, Bowl, ne-Standard Guide. I-Basic Overshot ingase igqokiswe noma yiliphi iqoqo lezingxenye ezimbili zangaphakathi, uma ububanzi bezinhlanzi buseduze nokubanjwa okuphezulu kwe-Overshot, i-Spiral Grapple, i-Spiral Grapple Control, kanye ne-Type "A" Packer isetshenziswa. Uma i-diameter yezinhlanzi ingaphansi kakhulu kobukhulu bosayizi wokubamba (½” noma ngaphezulu) kusetshenziswa i-Basket Grapple kanye ne-Mill Control Packer.
Uma u-oda sicela ucacise:
● Imodeli ye-overshot
● Imbobo, usayizi wekesi noma i-OD ye-overshot
● Uxhumano oluphezulu
● I-OD yezinhlanzi
FS = Amandla Aphelele
SH = Imbobo Encane
I-Series 10 Sucker Rod Overshot iyithuluzi lokudoba elichwepheshile, elidizayinelwe ukubandakanya nokulanda ama-sucker rods, ama-couplings, namanye amashubhu angaphakathi kwezintambo zamashubhu.
I-Series 10 Sucker Rod Overshot iqukethe i-Top Sub, Bowl, Grapple, kanye nomhlahlandlela. Ngokusho kobukhulu bezinhlanzi, kunezinhlobo ezimbili zokubamba ezitholakalayo: I-Basket Grapple noma i-Spiral Grapple. I-LANDRILL Series 10 iyithuluzi elisebenziseka kalula, kungakhathaliseki ukuthi liyahlanganyela noma liyakhulula, empeleni lidinga nje ukushintshanisa intambo yokudoba esandleni sokudla.
Ukuheha Inhlanzi Uma ukudubuleka kusondela phezulu kwenhlanzi, zungeza kancane uye kwesokudla njengoba i-overshot yehliswa phezu kwenhlanzi. Ngemva kokuba inhlanzi isibambisene, vumela i-torque engakwesokudla ukuthi ikhulule ocingweni lokudoba. Bese uphakamisa izinhlanzi ngokudonsela phezulu ngentambo yokudoba.
Ukudedela i-Fish Bump phansi noma yehlise isisindo sentambo yokudoba ngokumelene ne-Overshot ukuze kwephule ukubamba ukubambana ngaphakathi kwesitsha. Phakamisa intambo yokudoba ngenkathi uyizungezisa kancane kwesokudla kuze kube yilapho i-Overshot isiyisulile inhlanzi.
Thayipha i-DLT-T Reversing Overshot ekhishwayo, uhlobo olusha lwethuluzi lokudoba, inezinzuzo eziphethwe ama-overshot ahlukahlukene, i-box tap nokunye okunjalo. Izici zayo ezihlukanisayo zimi kanje: ukuqaqa nokubuyisela izinhlanzi ezibhajwe; Ukudedela inhlanzi phansi emgodini uma kunesidingo; ukuzungeza uketshezi oluwasha njengenye yezinsiza zokuhlehlisa amathuluzi. Isetshenziswa kabanzi ekuhlinzekeni kahle.
Isakhiwo kanye Nesicelo
Kubandakanya i-top sub, i-spring, isitsha, isihlalo sokugcina, isiliphu, ukhiye wokulawula, indandatho yophawu, isihlalo sophawu, inkomba nokunye. Ingxenye engenhla ye-top sub ixhunywe namanye amathuluzi okubhoboza. Ingxenye engezansi ye-top sub ixhunywe nesitsha esifakwe intwasahlobo ngaphakathi. Kukhona okhiye bokulawula abathathu abasatshalaliswe ngokulinganayo odongeni lwangaphakathi lomkhawulo ongaphezulu wesitsha. okhiye bokulawula basetshenziselwa ukulawula indawo yokugcina isihlalo. Okhiye abathathu bafakwa ngokuhlukene emiseleni emithathu engxenyeni engaphakathi ecijile engxenyeni engezansi endishini lapho kusetshenziswa okhiye abathathu ukudlulisa itorque. Ingxenye yangaphakathi ene-tapered ikhiqiza amandla amancane ngokumelene nesiliphu ukuze aqalise umsebenzi wokudoba. I-engeli etshekile phakathi kokhiye bokulawula abathathu idlala indima ebalulekile ekugcineni ukuhambisana kwesiliphu nesitsha ukuze kuqinisekiswe ukuthi amathuluzi angakhishwa kalula ezinhlanzini.
Isihlalo sokugcina sifakwe ekugcineni kwesitsha sangaphandle lapho okhiye abathathu bebekwe khona. Isihlalo esibambayo asigcini nje ngokushelela nge-axial, kodwa futhi sizungeza umugqa we-axial uhamba nesiliphu esifakwe endaweni eyindilinga yangaphakathi.
I-Series 70 Short Catch Overshot iyithuluzi lokudoba langaphandle eliklanyelwe ukubuyisa izinhlanzi ezinama-tubular lapho ingaphezulu lenhlanzi lilifushane kakhulu ukuthi lingabanjwa nokunye ukudlula. I-Grapple Control ibekwe ngaphezu kwe-Basket Grapple kunokuba ngezansi kwayo ukuze ivumele i-Basket Grapple ukuthi ithathe indawo ephansi kunazo zonke ku-Bowl. Lokhu kwenza i-overshot ibambe iqhaza ngokuqinile futhi ithole inhlanzi emfushane kakhulu.
Ukwakha
Umhlangano we-Series 70 Short Catch Overshot uqukethe I-Top Sub, Bowl, Basket Grapple Control, kanye nokubambana Kwebhasikidi. Nakuba i-Series 70 Overshot ingenawo Umhlahlandlela, izingxenye zisebenza ngendlela efanayo ne-Series 150 Ekhiphayo ne-Circulating Overshot evamile.
Ukubamba Izinhlanzi
Namathisela i-Overshot ekugcineni phansi kwentambo yokudoba bese uyigijimisa emgodini. Ukuhlanganiswa kwe-Series 70 Overshot kuzungeziswa kwesokudla bese kwehliswa njengoba inhlanzi ingena ekubangweni okunwebekayo. Ngenhlanzi ekubambeni, yeka ukuzungezisa kwesokudla bese udonsela phezulu ukuze ubambe izinhlanzi ngokugcwele.
Ededela INhlanzi
Amandla acijile abheke phansi (iqhubu) asetshenziswa ku-Overshot ukuze aphule ukubamba kokubamba phakathi kwesitsha. I-Overshot ibe isizungeziswa kwesokudla kuyilapho iphakanyiswa kancane ukuze ikhulule ukubambana enhlanzini.
Uma u-oda sicela ucacise:
Imodeli ye-overshot.
Imbobo, usayizi wekesi noma i-OD ye-overshot nokuxhumeka okuphezulu
I-OD yezinhlanzi
Qaphela:
Singakwazi ukuklama i-Overshot ngokwesicelo samakhasimende
I-Lifting-Lower and releasing overshot iyithuluzi lenhlanzi ku-casing elidoba amashubhu aphukile kanye nentambo yokubhoboza. Uma i-fish drill string ibhajwe kakhulu futhi kunzima ukuqedela umsebenzi wokudoba, kuyilapho kudingeka ukukhulula izinhlanzi, ingase ibuyisele ithuluzi ngokuqhuqha intambo yokubhoboza phansi futhi iphakamise ngqo.
Umkhiqizo muhle kakhulu emisebenzini yokudoba njengoba ungadingi ukushintshaniswa. Izinhlanzi zingabanjwa noma zikhishwe ngokuphakamisa noma ukwehlisa ithuluzi.
I-Lifting-Lower and Releasing Overshot ihlanganisa ingxenye ephezulu, isitsha, iphinikhodi, umkhono womhlahlandlela, umkhono ohlanganyelwe, ipulaki, iphinikhodi, isiliphu, umhlahlandlela, njengoba kuboniswe emfanekisweni. Intambo yebhokisi ye-top sub ixhunywe ne-drill stem futhi intambo yephini ixhunywe nesitsha, Iphansi lesitsha lixhunywe kumhlahlandlela. Ikhoni elingaphakathi endishini lihambisana nesiliphu. Intambo yebhokisi lomkhono womhlahlandlela ixhunywe nomkhono ohlanganyelwe, imisele yethrekhi igaywa kwenye indawo engaphandle: imisele emithathu emide kanye nemisele emithathu emifushane isebenza njengokuqondisa nokuhlehla. Lapho umhlahlandlela pin locates emseleni eside usesimweni izinhlanzi. Lapho iphini lomhlahlandlela litholakala kumsele omfushane usesimweni sokukhululwa. Umkhono ohlangene ukwakheka kwamacembe amabili. Yenza ukuxhumana kwemikhono eshelelayo futhi iqondise futhi ngephinikhodi isebenze njengokuthwala. Ingaphakathi le-slip linentambo yezinhlanzi, inkomba ingezansi futhi ingenza izinhlanzi zingene ekusheleleni ngempumelelo.
Isimiso Sokusebenza
Ithuluzi liqedela ukudoba nokukhulula izinhlanzi ngemisele emide, emifushane. Lapho leli thuluzi lifika phezulu ezinhlanzini, liyehliswa futhi lixhumene nezinhlanzi. Ngokuphakamisa nokwehlisa, iphinikhodi yomhlahlandlela isesimweni somsele omude noma omfushane, isiliphu sisesimweni sokudoba noma sokukhulula, esimweni sokungaphenduki kokudoba okuphelele nokukhulula izinhlanzi.
I-Releasing Spear inikeza izindlela ezisebenza kahle kakhulu zokuzibandakanya kanye nokuthola inhlanzi yangaphakathi emthonjeni. Kunzima ukumelana ne-jaring enzima kanye nokudonsa kanzima. Ibamba izinhlanzi endaweni enkulu ngaphandle kokulimaza izinhlanzi. Umklamo olula uvimbela izingxenye ezincane ukuthi zilahleke noma zilimale emgodini ngesikhathi sokusebenza. Ingase isetshenziswe nezinye izinto zokusebenza ezifana nama-pack-off assemblies kanye nabasiki bangaphakathi. Uma inhlanzi ingakwazi ukudonswa, umkhonto ungakhululwa kalula futhi ukhishwe.
Ukwakha
I-Releasing Spear iqukethe i-mandrel, i-grapple, i-ring ekhululayo, ne-bull nut. I-mandrel yenziwe ngokushisa okukhethekile okuphathwe amandla aphezulu e-alloy steel; futhi ingase iyalwe njengohlobo olushaywayo ukuze ingene ngokuphelele ezinhlanzini noma njengohlobo lwehlombe ukuze kuhlinzekwe indawo enhle yokufika phezu kwezinhlanzi. Usayizi kanye nohlobo lokuxhumana kwebhokisi eliphezulu kungenziwa ngendlela oyifisayo hlinzeka ngokuya ngemininingwane eqondile yekhasimende.
Uma u-oda sicela ucacise:
● Imodeli yomkhonto odedelayo.
● Uxhumano oluphezulu
● Ubukhulu obuqondile nesisindo sezinhlanzi
● Flush noma ehlombe uhlobo mandre
I-subs ehlehlayo ibizwa nangokuthi umkhonto ohlehlayo okuyithuluzi elikhethekile lokuhlehlisa isiqu sokubhoboza esibhajwe ngenhla kwendawo ebhajwe ekubhobolweni nasekusebenzeni komsebenzi. Ekwelapheni isiqu sokubhoboza esibambekile, singasebenza njengompompi wephini lokudoba ekubuyiseleni umsebenzi. Uma inhlanzi ibambekile noma ingakwazi ukuhlehliswa ekudobeni noma ekubuyiseleni emuva, inhlanzi ingahlehliswa ekubuyiseleni emuva futhi ithuluzi lokudoba liyakhubeka.
Imininingwane - Ihlehlisa Isihloko
Ithebula 1. I-DKJ Ehlehlisa I-Sub (uxhumano lwentambo LH, intambo yokubamba i-RH)
Imininingwane - Ihlehlisa Isihloko
Ithebula 2. I-DKJ Ehlehlisa I-Sub (uxhumano lwentambo i-RH, intambo yokubamba LH)
Imininingwane - Ihlehlisa Isihloko
Ithebula 3. I-DKJ Ehlehlisa I-Sub (uxhumano lwentambo i-RH, intambo yokubamba i-RH)
I-Cable Fishing Hook ngokuvamile isetshenziselwa ukubamba izintambo zepompo zikagesi noma izintambo kanye nezingcezu eziphukile zama-sucker rods agobile ekhejini.
I-Sliding Block Spear iyithuluzi lokudoba langaphakathi elisetshenziselwa ukudoba izinto eziwile ezivame ukusetshenziswa enqubweni yokubhoboza uwoyela, njengepayipi lokubhoboza, ishubhu, ipayipi lokugeza, i-liner, isipakishi, isisabalalisi samanzi, njll. Ingasetshenziswa futhi ukubuyisela emuva. wezinto eziwile ezinamathele futhi ingasetshenziswa ngokuhambisana namanye amathuluzi afana nembiza kanye nethuluzi lokubuyela emuva.
Imininingwane - Ithebula le-Fishhook
I-Taper Tap iyithuluzi elikhethekile lokudoba langaphakathi elisebenzisana nezinto eziwa eshubhu njengamapayipi okubhoboza namashubhu ngokuthepha imicu endaweni yento. Kuyithuluzi elisebenza kahle kakhulu ekudotshweni kwezinto eziyi-tubular eziwisiwe ngokuhlangana ikakhulukazi lapho imicu ecijile ihlangene nokuhlangana kwezinhlanzi. I-taper taper ingasetshenziselwa imisebenzi yokudoba ehlukene uma ifakwe ngesandla sobunxele noma amapayipi okubhoboza acushwe ngesandla sokudla namathuluzi. Umpompi we-taper wenziwa ngensimbi enamandla amakhulu e-alloy, ephathwa ngokushisa ukuze ibe namandla amakhulu kanye nokuqina. Izintambo zokusika ziqinisiwe (zimbi) ngemigodi yokusika ukuze kuqinisekiswe ukuthinta kahle imicu ezinhlanzini.
I-die collar, eyaziwa nangokuthi i-skirt taper tap, iyithuluzi elikhethekile lokudoba langaphandle elisebenzisana nezinto eziwayo zamashubhu njengamapayipi okubhoboza namashubhu, ngokuthepha odongeni lwangaphandle lwezinto. Ingasetshenziswa ekudobeni izinto eziyi-cylindrical ngaphandle kokubhoboza kwangaphakathi noma ukubhoboza kwangaphakathi.
I-die collar iyisakhiwo eside esiyisilinda esihlanganisiwe esakhiwe i-Sub, umzimba we-Tap onezintambo zokusika ngaphakathi okumise okwekhoni. I-die collar yenziwe nge-alloy yamandla aphezulu enemifantu emicu yokudoba.
I-Reverse Circulation Junk Basket (RCJB) iklanyelwe ukususa zonke izinhlobo zezinto ezincane eziwudoti emgodini womthombo. Isici esiyinhloko saleli thuluzi ukuthi lisusa ithuba lokudonsa intambo emanzi ngesikhathi sokudoba ngomklamo walo wokuhlehla wokudonsa amanzi. I-RCJB ingasetshenziswa futhi njengozibuthe wezinhlanzi uma ifakwe isifakela uzibuthe, kuyilapho igcina isici sayo sokuzungeza uketshezi olubuyela emuva.
Ukusebenza
I-RCJB ivamise ukunamathiselwa ngaphansi kwentambo yokudoba, yehliselwe endaweni eyimitha embalwa ukusuka phansi komthombo. Qala ukujikeleza kukabhasikidi ongenalutho ukuze ugeze imbobo. Misa ukujikeleza bese uphonsa ibhola lensimbi. (Lapho ibhola lensimbi lehliselwa esihlalweni sevalvu, ukujikeleziswa koketshezi oluhlehlayo kuyasebenza. Uketshezi luhamba luye ngaphandle luphinde lwehle ngephaseji elingaphakathi lombhobho bese liphuma ngezikhala ezisekupheleni. ithuluzi futhi phezulu ngokusebenzisa izimbobo zokubuyisela endaweni engenhla yomphongolo Ukujikeleza koketshezi okubuyela emuva kuthwala udoti emgqonyeni ongaphezu kwe-junk catcher zungeza kancane ubhasikidi ongenalutho ngenkathi wehlisa ithuluzi kuze kube yi-intshi eyi-10 inqanyuliwe Misa ukuzungeza nokuzungeza bese udonsa ithuluzi nodoti emgodini.