Ikhola yoqheliso eqhelekileyo licandelo lomnqamlezo ojikelezayo, iziko linomngxuma wamanzi, ubukhulu bodonga bukhulu, umlomo wombhobho umncinci, ubunzima bobude beyunithi nganye bukhulu kunobukhulu bombhobho wokubhola phantse amaxesha ama-4-5. i-drill collar is thread processing ngqo kumzimba wombhobho , kodwa ezinye zazo zisebenzisa i-joint endaweni.
Ikhola ye-Spiral drill luhlobo lwesixhobo sokugaya i-petroleum .Olu hlobo lwekhola ye-drill luyakwazi ukuthintela ukugcinwa koxinzelelo oluhlukeneyo lwezixhobo ngexesha lokugaya.I-Spiral grooves iyakwenza ukuba udaka luhambe ngokukhululekileyo lujikeleze ikhola ye-drill ukusebenzisa uxinzelelo olulinganayo ukuthintela ukwakheka kwesithintelo ukuze kuthintelwe ngokufanelekileyo ukuxinana koxinzelelo oluhlukeneyo.Indawo yokudibanisa eludongeni lomthombo inokunqunyulwa ukuze kuncitshiswe ngokufanelekileyo ithuba lokudala umqobo wokudityaniswa koxinzelelo.I-Spiral grooves iyakwenza ukuba udaka luhambe ngokukhululekileyo lujikeleze ikhola ye-drill ukusebenzisa uxinzelelo olulinganayo ukuthintela ukwakheka kwesithintelo ukuze kuthintelwe ngokufanelekileyo ukuxinana koxinzelelo oluhlukeneyo.Indawo yokudibanisa eludongeni lomthombo inokunqunyulwa ukuze kuncitshiswe ngokufanelekileyo ithuba lokudala umqobo wokudityaniswa koxinzelelo.Ubunzima bekhola ye-spiral drill yi-4-6% ngaphantsi kobo bekhola yokubhola engqukuva.
Ikhola yokuDrila engeyiyo iMagnetic: Iikhola ze-non-magnetic Drill zenziwe ngezinto zekhola zokuqhuba i-Non-magnetic drill ezinamandla aphantsi ngokudibanisa uhlalutyo lweekhemikhali zobunikazi kunye nenkqubo yokujikeleza kwesando esijikelezayo esinezibuthe ezisezantsi ezinobunewunewu obugqwesileyo bomatshini.sinokubonelela ngobude ukusuka kwi-10 ukuya kwi-42 iinyawo kunye nedayamitha yangaphandle ukusuka kwi-31/8" ukuya kwi-11'.
Ubungakanani | OD(mm) | Isazisi(mm) | Ikhowudi | Umsonto | Ubude(mm) | Ubunzima(kg) |
3-1/8 | 79.4 | 31.8(1-1/4) | NC23-31 | NC23 | 9140 | 298 |
3-1/2 | 88.9 | 38.1(1-1/2) | NC26-35 | NC26 | 9140 | 364 |
4-1/8 | 104.8 | 50.8(2) | NC31-41 | NC31 | 9140/9450 | 474/490 |
4-3/4 | 120.6 | 50.8(2) | NC35-47 | NC35 | 9140/9450 | 674/697 |
5 | 127 | 57.2(2-1/4) | NC38-50 | NC38 | 9140/9450 | 725/749 |
6 | 152.4 | 57.2(2-1/4) | NC44-60 | NC44 | 9140/9450 | 1125/1163 |
71.4(2-13/16) | NC44-60 | 9140/9450 | 1022/1056 | |||
6-1/4 | 158.8 | 57.2(2-1/4) | I-NC44-62 | NC44 | 9140/9450 | 1237/1279 |
71.4(2-13/16) | I-NC46-62 | 9140/9450 | 1134/1172 | |||
6-1/2 | 165.1 | 57.2(2-1/4) | I-NC46-65 | NC46 | 9140/9450 | 1352/1398 |
71.4(2-13/16) | I-NC46-65 | NC50 | 9140/9450 | 1249/1291 | ||
6-3/4 | 171.4 | 57.2(2-1/4) | I-NC46-67 | NC46 | 9140/9450 | 1471/1521 |
7 | 177.8 | 57.2(2-1/4) | NC50-70 | NC50 | 9140/9450 | 1597/1651 |
71.4(2-13/16) | NC50-70 | 9140/9450 | 1494/1545 | |||
7-1/4 | 184.2 | 71.4(2-13/16) | NC50-72 | NC50 | 9140/9450 | 1625/1680 |
7-3/4 | 196.8 | 71.4(2-13/16) | NC56-77 | NC56 | 9140/9450 | 1895/1960 |
8 | 203.2 | 71.4(2-13/16) | NC56-80 | NC56/6-5/8REG | 9140/9450 | 2040/2109 |
8-1/4 | 209.6 | 71.4(2-13/16) | 6-5/8REG | 6-5/8REG | 9140/9450 | 2188/2263 |
9 | 228.6 | 71.4(2-13/16) | NC61-90 | NC61 | 9140/9450 | 2658/2748 |
9-1/2 | 241.3 | 76.2(2-13/16) | 7-5/8REG | 7-5/8REG | 9140/9450 | 2954/3054 |
9-3/4 | 247.6 | 76.2(3) | NC70-97 | NC70 | 9140/9450 | 3127/3234 |
10 | 254 | 76.2(3) | NC70-100 | NC70 | 9140/9450 | 3308/3421 |
11 | 279.4 | 76.2(3) | 8-5/8REG | 8-5/8REG | 9140/9450 | 4072/4210 |
Uluhlu lobunzima be-285 ukuya kwi-341 BHN kunye nexabiso lempembelelo ye-Charpy ye-40 ft-lbs iqinisekisiwe ngokusasazwa ngokulinganayo amanqaku e-16 kuwo nawaphi na amacandelo anqamlezayo kwiqondo lokushisa;
Uqhagamshelo luqatywe iphosphate emva komatshini ukukhusela imisonto kwizinto ezidlekayo kunye nokuthintela ukurhabaxa xa kusenziwa okokuqala;
Iingcambu zomsonto ziqengqiwe ngokubanda kuqhagamshelo lwe-API;
Izikhuseli zentsimbi ezicinezelekileyo zibonelelwa kuyo yonke ikhola ye-drill exhotyiswe ngokudibanisa okusemgangathweni.
Umjelo wokunceda uxinzelelo.Iimpawu zokunciphisa uxinzelelo kwipini ye-API kunye noqhagamshelo lwebhokisi ukunciphisa ugxininiso loxinzelelo oluphezulu ngaloo ndlela kuphuculwe amandla okugoba malunga neendawo zonxibelelwano.
Ukuqengqeleka okubandayo kweengcambu zentambo kubonise iziphumo eziluncedo zokuphucula ukudinwa koqhagamshelo ngokunciphisa ukuqaliswa kokuqhekeka.
Hardbanding.Ukudityaniswa kwentsimbi kwiindawo ezingaphantsi nangaphezulu kwekhefu lokutyibilika okanye kwigxalaba lentsimbi kwandisa ubomi benkonzo yeekhola zokomba.Inokusetyenziswa kwakhona kuqwalaselo oluchazwe ngabathengi.Ukudityaniswa kwentsimbi kwiindawo ezingaphantsi nangaphezulu kwekhefu lokutyibilika okanye kwigxalaba lentsimbi kwandisa ubomi benkonzo yeekhola zokomba.Inokusetyenziswa kwakhona kuqwalaselo oluchazwe ngabathengi.
Ukutyibilika kunye neendawo zokuhlala kwi-elevator.Iradiyasi ephezulu yekhefu le-elevator iyaqengqeleka ukubanda ukuphucula ubomi bemveliso.I-Slip kunye ne-elevator recesses zenziwe ngokuhambelana ne-API Spec 7-1.