钻头规格及长度钻头外径钻头长度钻头外径钻头长度©20mm350mm©102mm350mm/420mm©22mm350mm©108mm350mm/420mm©24mm350mm©110mm350mm/420mm©26mm350mm/420mm©114mm350mm/420mm©28mm350mm/420mm©120mm350mm/420mm©30mm350mm/420mm©127mm350mm/420mm©32mm350mm/420mm©132mm350mm/420mm©38mm350mm/420mm©150mm350mm/420mm©40mm350mm/420mm©159mm350mm/420mm©44mm350mm/420mm©166mm350mm/420mm©50mm350mm/420mm©180mm350mm/420mm©57mm350mm/420mm©200mm350mm/420mm©63mm350mm/420mm©220mm350mm/420mm©76mm350mm/420mm©250mm350mm/420mm©83mm350mm/420mm©275mm©89mm350mm/420mm©300mm350mm/420mm350mm/420mm屮心钻头规格表30匣制丿刃長山諭柄徑:IH全長⑴d0.V~t-U.050.53.U0.05-U.U7.0.<=3.U:炸H■ins0.7：'..v.70.(1.1-U.OS1183.B巧-H0.CH-u05山爭4.0Mi0!'-u帖1.04.0Mi屮心钻头规格表U.S0.u.l-[JyIrO■i.u..ii1.u0.U0.OH-U.05J.四1.Uu工u乩U丨则君Ul.lflCi.0&0472.5«.08暑。B.Cicio-a.a®<■t>乌U&(IdL&7.7:<.U血D8丸專10.0IUva«IU.「;」IM乳310.02003・2U.08乩S'丁‘757-a.a®4-S]□.0GH氏UV.OK4■目ia.oicio-a.a®1H10.01544-色]CJ.0MCJOin(mm)in(mm)in(mm)in(mm)in(mm)33/4(95.2)6(152.4)83/8(212.7)97/8(250.8)20(508.0)41/8(104.8)61/8(155.6)81/2(215.9)11(279.4)24(609.6)43/4(120.6)61/4(158.7)85/8(219.1)121/4(311.1)26(660.4)55/8(142.9)63/4(171.4)83/4(222.2)143/4(347.6)57/8(149.2)77/8(200.0)91/2(241.3)171/2(444.5)国产钻头尺寸系列in(mm)in(mm)in(mm)in(mm)in(mm)33/4(95.2)57/8(149.2)71/2(190.5)91/2(241.3)143/4(347.6)41/8(104.8)6(152.4)7刀8(200.0)95/8(244.5)171/2(444.5)41/4(107.9)61/4(158.7)83/8(212.7)97/8(250.8)20(508.0)43/4(120.6)61/2(165.1)81/2(215.9)105/8(269.9)24(609.6)55/8(142.9)63/4(171.4)83/4(222.2)121/4(311.1)26(660.4)套管与钻头尺寸配合系列套管下入的井眼尺寸（钻头尺寸），mm（in）套管井眼套管井眼762(30)914.4(36)219.075(85/8)241.3~311.15(91/2~121/4)508(20)660.4(26)193.675(75/8)215.9~269.875(81/2~105/8)473.075(185/8)609.6(24)177.8(7)212.725~250.825(83/8~97/8)406.4(16)469.9~508(181/2~20)168.275(65/8)200.025~222.25(77/8~83/4)339.725(133/8)444.5(171/2)139.7(51/2)171.45~222.25(63/4~83/4)298.45(113/4)381~444.5(15~171/2)127(5)152.4~200.025(6~77/8)273.05(103/4)311.15~381(121/4~15)114.3(41/2)152.4~200.025(6~77/8)244.475(95/8)311.15(121/4)钻头和套管内间隙的标准套管尺寸通径偏差钻头尺寸（小于紧密配合尺寸）钻头与套管之间的间隙值外径in(mm)壁厚mm名义内径mmmminmmmm10.72^105.6102.43刀898.47.25(127)9.19108.6105.441/8104.83.87.52112.0108.841/4107.94.16.43114.1111.041/4107.96.25.59115.8112.641/4107.97.910.54118.6115.441/2114.34.351/29.17121.4118.245/8117.53.9(139.7)7.72124.3121.143/4120.63.76.98125.7122.643/4120.65.16.20127.3124.145/8123.83.512.06144.1141.04刀8123.820.465/810.59147.1143.955/8142.94.2(168.8)8.94150.4147.253/4146.04.47.32153.7150.55刀8149.24.516.25^145.3142.14刀8123.821.514.98*147.8144.755/8142.94.913.72150.4147.253/4146.04.412.65152.5149.35刀8149.23.3711.51154.8151.65刀8149.25.6(177.8)10.36157.1153.96152.44.79.19159.4156.261/8155.63.88.05161.7158.561/8155.66.16.91164.0160.061/4158.75.35.87166.1162.961/4158.77.412.70168.3165.161/4158.79.675/810.92171.9168.765/8168.33.6(193.7)9.52174.7171.465/8168.36.48.33177.0173.863/4171.45.67.62178.5175.363/4171.47.114.15190.8187.673/8187.33.512.70193.7190.573/8187.36.485/811.43196.2193.073/8187.38.9(219.1)10.16198.8195.675/8193.75.18.94201.2198.675/8193.77.57.72203.7200.57刀8200.03.76.71205.7202.57刀8200.05.719.05^20...
