I-API 7K Uhlobo lwe-DU Drill Pipe Slip Drill String Operation
Kunezinhlobo ezintathu ze-DU series Drill Pipe Slips: DU, DUL kanye ne-SDU. Zinebanga elikhulu lokubamba kanye nesisindo esincane. Lapho, iziliphu ze-SDU zinezindawo ezinkulu zokuxhumana ku-taper namandla okumelana aphezulu. Aklanywe futhi akhiqizwa ngokuya nge-API Spec 7K Specification yokumba kanye nemishini yokusevisa kahle.
Imingcele Yezobuchwepheshe
Imodi | Slip Usayizi Womzimba (ngaphakathi) | |||||
4 1/2 | 5 1/2 | 7 | ||||
I-DP OD | I-DP OD | I-DP OD | ||||
in | mm | in | mm | in | mm | |
DU | 2 3/8 | 60.3 | 3 1/2 | 88.9 | 4 1/2 | 114.3 |
2 7/8 | 73 | 4 | 101.6 | 5 | 127 | |
3 1/2 | 88.9 | 4 1/2 | 114.3 | 5 1/2 | 139.7 | |
4 | 101.6 | 5 | 127 | 6 5/8 | 168.3 | |
4 1/2 | 114.3 | 5 1/2 | 139.7 | 7 | 177.8 | |
DUL | 2 3/8 | 60.3 | 3 1/2 | 88.9 | 4 1/2 | 114.3 |
2 7/8 | 73 | 4 | 101.6 | 5 | 127 | |
3 1/2 | 88.9 | 4 1/2 | 114.3 | 5 1/2 | 139.7 | |
4 | 101.6 | 5 | 127 | 6 5/8 | 168.3 | |
4 1/2 | 114.3 | 5 1/2 | 139.7 | 7 | 177.8 | |
I-SDU | 3 1/2 | 88.9 | 4 1/2 | 114.3 | ||
4 | 101.6 | 5 | 127 | |||
4 1/2 | 114.3 | 5 1/2 | 139.7 | |||
5 | 127 | 6 5/8 | 168.3 | |||
5 1/2 | 139.7 | 7 | 177.8 |
Bhala umyalezo wakho lapha futhi usithumelele wona