1、鉆井套管尺寸與鉆頭尺寸的選擇目前我國使用最多或者說是唯一的套管鉆頭系列是：（26"）20" （ 17 1/2" ）13 3/8" （ 12 1/4" ）9 5/8" （ 8 1/2" ）7" （ 5 7/8"）4 1/2"套管和井眼尺寸的確定一般是由內到外進行，首先根據采油工程等方面的要求確定油層 套管的尺寸，然后確定與油層套管相匹配的鉆頭。套管與井眼之間的間隙與井身質量、固井水泥環強度要求、下套管時的井內波動壓力、套管尺寸等因素有關。最小間隙為9.5mm,最大間隙達76mm目前，根據套管層次不

2、同，已基本形成了較穩定的系列套管：優質無縫鋼管。一端為公扣，直接車在管體上；一端為帶母扣的套管接箍。套管的尺寸系列：API 標準套管：4 1/2 “，5”，5 1/2 “，6 5/8 ”，7 “，7 5/8 ”，8 5/8 “，9 5/8"，10 3/4" ，11 3/4" ，13 3/8" ，16"，18 5/8" ，20"共 14 種。壁厚：5.21 16.13 mm。套管的鋼級API 標準：H-40, J-55 , K-55, C-75, L-80 , N-80, C-90, C-95, P-110, Q-125。（數

3、字 x 1000為套管的最小屈服強度 kpsi ）。連接螺紋的類型API標準：短圓（STC）、長圓（LTC）、梯形（BTC）、直連型（XL）套管柱：由同一外徑、不同鋼級、不同壁厚的套管用接箍連接組成的管柱。特殊情況下也使用無接箍套管柱 鉆桿尺寸：規格外徑Size名義重量NominalmassLb/ft計算重量Calculated weight Wpe鋼級Grade壁厚Wall thickness加厚形式(見 注)Upset ends (See note) for weld-on tool jointin.mmlb/ftkg/min.mm2 3/860.36.656.269.32E,X,G,S0

4、.2807.11EU2 7/873.010.49.7214.48E,X,G,S0.3629.19EU、IU3 1/288.99.508.8113.12E0.2546.45EU、IU3 1/288.913.3012.3118.34E,X,G,S0.3689.35EU、IU3 1/288.915.5014.6321.79E0.44911.40EU、IU3 1/288.915.5014.6321.79X,G,S0.44911.40EU、IEU4101.614.0012.9319.26E,X,G,S0.3308.38EU、IU4 1/2114.313.7512.2418.23E0.2716.88EU、

5、IU4 1/2114.316.6014.9822.31E,X,G,S0.3378.56EU、IEU4 1/2114.320.0018.6927.84E,X,G,S0.43010.92EU、IEU5127.016.2514.8722.15X,G,S0.2967.52IU5127.019.5017.9326.71E0.3629.19IEU5127.019.5017.9326.71X,G,S0.3629.19EU、IEU5127.025.6024.0335.79E0.50012.70IEU5127.025.6024.0335.79X,G,S0.50012.70EU、IEU5 1/2139.721.9

6、019.8129.51E,X,G,S0.3619.17IEU5 1/2139.724.7022.5433.57E,X,G,S0.41510.54IEU1、鉆桿公稱尺寸外徑Dmm壁厚tmm管體長度L1m鉆桿長度Lm鋼極管端加厚型式1級長度2級長度3級長度60.37.116.16. 78.29.111.613.7L1+0.521E,X,G,SE?U73.09.196.16. 78.29.111.613.7L1+0.557E,X,G,SI?U 或 E?U88.96.456.16. 78.29.111.613.7L1+0.595EI?U 或 E?U88.99.356.16. 78.29.111.613

7、.7L1+0.620E,X,G,SI?U 或 E?U88.911.406.16. 78.29.111.613.7L!+0.620E,X,G,SI?U?E?U或 I?E?U101.68.386.16. 78.29.111.613.7L/0.582E,X,G,SI?U 或 E?U114.36.886.16. 78.29.111.613.7L1+0.582EI?U 或 E?U114.38.566.16. 78.29.111.613.7L1+0.582E,X,G,SE?U或 I?E?U114.310.926.16. 78.29.111.613.7L1+0.582X,G,SE?U或 I?E?U127.0

8、7.526.16. 78.29.111.613.7L1+0.582E,X,G,SI?U127.09.196.16. 78.29.111.613.7L1+0.582或 L1+0.607E,X,G,SI?E?U 或 E?UE?U或 I?E?U127.012.706.16. 78.29.111.613.7L1+0.582或 L1+0.607E,X,G,SE?U或 I?E?UE?U或 I?E?U139.79.176.16. 78.29.111.613.7L1+0.607E,X,G,SI?E?U139.710.546.16. 78.29.111.613.7L1+0.607E,X,G,SI?E?U168.

9、38.386.16. 78.29.111.613.7L1+0.607E,X,G,SI?E?U168.39.196.16. 78.29.111.613.7L1+0.607E,X,G,SI?E?U注：l?U為內加厚，E?U為外加厚，l?E?U為內外加厚。2、加重鉆桿公稱尺寸型號外徑C內徑E長度L mmmJZ50-NC50- I127.076.29.3JZ45-NC46- I114.371.49.3JZ40-NC40- I101.663.59.3JZ35-NC38- I88.950.89.3JZ50-NC50- n127.076.213.5JZ45-NC46- n114.371.413.53、鉆鋌公

10、稱尺寸型 號外徑D內徑d長度LmmmZTNC23-31LTNC23- 3179.431.89.15ZTNC26-35LTNC26-35(2 3/8IF)88.938.19.15ZTNC31-41LTNC31-41(2 7/8IF)104.850.89.15ZTNC35-47LTNC35-47120.750.89.15ZTNC38-50LTNC38-50(3 1/2IF)127.057.29.15ZTNC44-60LTNC44-60152.457.29.15 或 9.45ZTNC44-60LTNC44-60152.471.49.15 或 9.45ZTNC44-62LTNC44-60158.857

11、.29.15 或 9.45ZTNC46-62LTNC46-62(4IF)158.871.49.15 或 9.45ZTNC46-65LTNC46-65(4IF)165.157.29.15 或 9.45ZTNC46-65LTNC46-65(4IF)165.171.49.15 或 9.45ZTNC46-67LTNC46-67(4IF)171.457.29.15 或 9.45ZTNC50-70LTNC50-70(4 1/2IF)177.857.29.15 或 9.45ZTNC50-70LTNC50-70(4 1/2IF)177.871.49.15 或 9.45ZTNC50-72LTNC50-72(4

12、1/2IF)184.271.49.15 或 9.45ZTNC56-77LTNC56-77196.871.49.15 或 9.45ZTNC56-80LTNC56-80203.271.49.15 或 9.45ZT6 5/8 REG-82LT6 5/8REG-82209.671.49.15 或 9.45ZTNC61-90LTNC61-90228.671.49.15 或 9.45ZT7 5/8 REG-95LT7 5/8REG-95241.376.29.15 或 9.45ZTNC70-97LTNC70-97247.676.29.15 或 9.45ZTNC70-100LTNC70-100254.076.

13、29.15 或 9.45ZTNC77-110LTNC77-110279.076.29.15 或 9.454、方鉆桿的公稱尺寸4.1四方鉆桿的公稱尺寸對邊寬對角寬內徑最小壁厚總長度L驅動部分長度LdDFlDCdtmmmm標準選擇標準選擇63.583.331.811.512.2011.28_76.2100.044.511.512.2011.2888.9115.157.211.512.2011.28108.0141.371.412.112.2016.4611.2815.55133.4175.482.616.012.2016.4611.2815.554.2六方鉆桿的公稱尺寸對邊寬對角寬內徑最小壁厚總長

14、度L驅動部分長度LpDFlDedtmmmm標準選擇標準選擇76.285.731.812.112.2011.2888.9100.844.513.312.2011.28108.0122.257.216.012.2011.28133.4151.776.216.012.2016.4611.2815.55133.4151.782.616.012.2016.4611.2815.55152.4173.088.916.012.2016.4611.2815.555、外加厚油管及其接箍公稱尺寸外徑D壁厚t內徑d管體長度lm加厚部位外徑加厚部位長度Leu接箍外徑W接箍最小長度NL鋼級1級長度2級長度標準與特殊倒角特

15、殊間隙26.72.8721.06.108.538.539.7533.460.342.282.6C,H,J,N ,L33.43.3826.66.108.538.539.7537.363.548.388.9C,H,J,N ,L42.23.5635.16.108.538.539.7546.066.755.995.2C,H,J,N ,L48.33.6840.96.108.538.539.7553.268.363.598.4C,H,J,N ,L60.34.8350.66.108.538.539.7565.9101.677.873.9123.8C,H,J,N ,L,P60.36.4547.76.108.538.539.7565.9101.677.873.9123.8C,N, L,P73.05.5162.06.108.538.539.7578.6108.093.287.9133.4C,H,J,N ,L,P73.07.0159.06.108.538.539.7578.6108.093.287.9133.4C,N, L,P73.07.8257.46.108.538.539.7578.6108.093.287.9133.4C,N, L,P88.96.4576.06.108.538.539.7595.2