钻头尺寸、套管尺寸及其常用匹配
钻头规格及长度钻头规格及长度 钻头外 径 φ20mm φ22mm φ24mm φ26mm φ28mm φ30mm φ32mm φ38mm φ40mm φ44mm φ50mm φ57mm φ63mm φ76mm 钻头长度 钻头外 径 φ102mm φ108mm φ110mm φ114mm φ120mm φ127mm φ132mm φ150mm φ159mm φ166mm φ180mm φ200mm φ220mm φ250mm 钻头长度 350mm 350mm 350mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm 350mm/420mm φ83mm φ89mm 350mm/420mm 350mm/420mm φ275mm φ300mm 350mm/420mm 350mm/420mm API 钻头标准尺寸 in(mm) 3 3/4(95.2) 4 1/8(104.8) 4 3/4(120.6) 5 5/8(142.9) 5 7/8(149.2) in(mm) 3 3/4(95.2) 4 1/8(104.8) 4 1/4(107.9) 4 3/4(120.6) 5 5/8(142.9) in(mm) 6(152.4) 6 1/8(155.6) 6 1/4(158.7) 6 3/4(171.4) 7 7/8(200.0) in(mm) 5 7/8(149.2) 6(152.4) 6 1/4(158.7) 6 1/2(165.1) 6 3/4(171.4) in(mm) 8 3/8(212.7) 8 1/2(215.9) 8 5/8(219.1) 8 3/4(222.2) 9 1/2(241.3) 国产钻头尺寸系列 in(mm) 7 1/2(190.5) 7 7/8(200.0) 8 3/8(212.7) 8 1/2(215.9) 8 3/4(222.2) in(mm) 9 1/2(241.3) 9 5/8(244.5) 9 7/8(250.8) 10 5/8(269.9) 12 1/4(311.1) in(mm) 14 3/4(347.6) 17 1/2(444.5) 20(508.0) 24(609.6) 26(660.4) in(mm) 9 7/8(250.8) 11(279.4) 12 1/4(311.1) 14 3/4(347.6) 17 1/2(444.5) in(mm) 20(508.0) 24(609.6) 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(8 5/8)241.3~311.15(9 1/2~12 1/4) 508(20)660.4(26)193.675(7 5/8)215.9~269.875(8 1/2~10 5/8) 473.075(18 5/8)609.6(24)177.8(7)212.725~250.825(8 3/8~9 7/8) 406.4(16)469.9~508(18 1/2~20)168.275(6 5/8)200.025~222.25(7 7/8~8 3/4) 339.725(13 3/8)444.5(17 1/2)139.7(5 1/2)171.45~222.25(6 3/4~8 3/4) 298.45(11 3/4)381~444.5(15~17 1/2)127(5)152.4~200.025(6~7 7/8) 273.05(10 3/4)311.15~381(12 1/4~15)114.3(4 1/2)152.4~200.025(6~7 7/8) 244.475(9 5/8)311.15(12 1/4) 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 10.72★ 9.19 7.52 6.43 5.59 10.54 9.17 7.72 6.98 6.20 12.06 10.59 8.94 7.32 16.25★ 14.98★ 13.72 12.65 11.51 10.36 9.19 8.05 6.91 5.87 12.70 10.92 9.52 8.33 7.62 14.15 12.70 11.43 10.16 8.94 7.72 6.71 19.05★ 15.87★ 15.11★ 13.84 11.99 11.05 10.03 名义内径 mm 105.6 108.6 112.0 114.1 115.8 118.6 121.4 124.3 125.7 127.3 144.1 147.1 150.4 153.7 145.3 147.8 150.4 152.5 154.8 157.1 159.4 161.7 164.0 166.1 168.3 171.9 174.7 177.0 178.5 190.8 193.7 196.2 198.8 201.2 203.7 205.7 206.4 212.7 214.3 216.8 220.5 222.7 224.4 mm 102.4 105.4 108.8 111.0 112.6 115.4 118.2 121.1 122.6 124.1 141.0 143.9 147.2 150.5 142.1 144.7 147.2 149.3 151.6 153.9 156.2 158.5 160.0 162.9 165.1 168.7 171.4 173.8 175.3 187.6 190.5 193.0 195.6 198.6 200.5 202.5 202.4 208.8 210.3 212.8 216.5 218.4 220.4 in 3 7/8 4 1/8 4 1/4 4 1/4 4 1/4 4 1/2 4 5/8 4 3/4 4 3/4 4 5/8 4 7/8 5 5/8 5 3/4 5 7/8 4 7/8 5 5/8 5 3/4 5 7/8 5 7/8 6 6 1/8 6 1/8 6 1/4 6 1/4 6 1/4 6 5/8 6 5/8 6 3/4 6 3/4 7 3/8 7 3/8 7 3/8 7 5/8 7 5/8 7 7/8 7 7/8 7 7/8 7 7/8 7 7/8 8 3/8 8 1/2 8 1/2 8 5/8 mm 98.4 104.8 107.9 107.9 107.9 114.3 117.5 120.6 120.6 123.8 123.8 142.9 146.0 149