Ordinary drill collar is the circular cross section, pakati pave negomba remvura, ukobvu hwemadziro hwakakura, muromo wacho idiki, huremu hweper unit urefu hwakakura kudarika saizi yekuboorera pombi kanenge ka 4- 5 . drill collar is thread processing zvakananga pane pombi body , asi mamwe acho anoshandisawo yakatsiviwa yejoini.
Spiral drill collar imhando ye petroleum drilling tool .Iri rudzi rwechibooreso chekorori rinokwanisa kudzivirira kusiyana kwekumanikidzwa kuvharirwa kwezvishandiso panguva yekuchera. Spiral grooves inogonesa madhaka kuti ayerere zvakasununguka akatenderedza chibooreso collar kuti ashandise mwero kudzvanywa kudzivirira kuumbwa kwechidziviriro kuitira kudzivirira zvinobudirira mutsauko wekumanikidza jamming. Nzvimbo yekuonana nemadziro egomba inogona kutemwa kuitira kuti inyatso kudzikisa mukana wekugadzira musiyano wekudzvinyirirwa. Spiral grooves inogonesa madhaka kuti ayerere zvakasununguka akatenderedza chibooreso collar kuti ashandise mwero kudzvanywa kudzivirira kuumbwa kwechidziviriro kuitira kudzivirira zvinobudirira mutsauko wekumanikidza jamming. Nzvimbo yekuonana nemadziro egomba inogona kutemwa kuitira kuti inyatso kudzikisa mukana wekugadzira musiyano wekudzvinyirirwa. Huremu hwe spiral drill collar i4-6% pasi peiyo yeround drill collar.
Non-Magnetic Drill Collar: Non-magnetic Drill collars inogadzirwa kubva kuIsiri-magnetic drill collar zvinhu zvine yakaderera-simba nekubatanidza yevaridzi yekemikari kuongororwa uye inotenderera sando yekuumba maitiro ine yakaderera magineti permeability yakanakisa muchina kugona. tinogona kupa hurefu kubva pa10 kusvika ku42 tsoka uye kunze kwedhayamita kubva pa31/8"kusvika pa11'.
Size | OD(mm) | ID(mm) | Code | Thread | Kureba(mm) | Huremu(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) | NC44-62 | NC44 | 9140/9450 | 1237/1279 |
71.4(2-13/16) | NC46-62 | 9140/9450 | 1134/1172 | |||
6-1/2 | 165.1 | 57.2(2-1/4) | NC46-65 | NC46 | 9140/9450 | 1352/1398 |
71.4(2-13/16) | NC46-65 | NC50 | 9140/9450 | 1249/1291 | ||
6-3/4 | 171.4 | 57.2(2-1/4) | 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 |
Huwandu hwekuoma kwe285 kusvika 341 BHN uye Charpy kukanganisa kukosha kwe40 ft-lbs inovimbiswa kugovaniswa zvakaenzana 16 mapoinzi mune chero zvikamu zvakachinjika pakamuri tembiricha;
Manongedzo anonamirwa phosphate mushure mekugadzira kuchengetedza tambo kubva kune zvinoora zvinhu uye kudzivirira galling paunotanga kugadzira-up;
Thread midzi inotonhora yakakungurutswa pane API yekubatanidza;
Akadzvanywa simbi tambo dziviriri anopihwa kune ese eku drill collar ane akashongedzerwa neyakajairwa yekubatanidza.
Stress relief groove. Stress relief features pa API pini uye bhokisi rekubatanidza kuderedza kushushikana kwakanyanya nekudaro kuvandudza simba rekukotama rakatenderedza nzvimbo dzekubatanidza.
Kutonhora kutenderedzwa kwemidzi yeshinda kwakaratidza mhedzisiro inobatsira kuvandudza kuneta kuramba kwezvibatanidza nekuderedza kutanga kwekutsemuka.
Hardbanding. Hardbanding panzvimbo dziri pasi nepamusoro pekutsvedza kana pabendekete repini kunowedzera hupenyu hwesevhisi hwemakororo ekubhorani. Inogonawo kushandiswa mumagadzirirwo anotsanangurwa nevatengi. Hardbanding panzvimbo dziri pasi nepamusoro pekutsvedza kana pabendekete repini kunowedzera hupenyu hwesevhisi hwemakororo ekubhorani. Inogonawo kushandiswa mumagadzirirwo anotsanangurwa nevatengi.
Slip uye elevator recesses. Iyo yekumusoro radius ye recess yekusimudza inotonhora yakatenderedzwa kuti ivandudze hupenyu hwechigadzirwa. Kutsvedza uye nzvimbo dzekusimudza elevator dzakagadzirwa zvinoenderana neAPI Spec 7-1.