API Drill Pipe 3.1/2 "-5.7/8" maka mkpọpu mmanụ / gas
Okwu mmalite:
Ụlọ ọrụ anyị pụrụ iche na mmepụta na ire API ọkọlọtọ mmanụ ọkpọkọ na OD si 2 3/8 ka 5 1/2 na ọkwa si E75 ka S135. A na-ejikwa ọkpọkọ ọkpọkọ eme ihe n'ịrụ olulu mmiri dị n'etiti, olulu mmiri kwụ ọtọ, ma gbasaa nke ọma na usoro nyocha mmanụ na gas na mmepe. Na mkpokọta e ji mara mma elu imecha, mma mgbanwe, elu mmetụta ndidi, magburu onwe adhesion na ebube corrosion iguzogide, akuakuzinwo ọkpọkọ nwere 10 puku tọn kwa afọ ikike.
Nka nka:
| Nha aha
| Ibu ọnụ | Ahụ ọkpọkọ | Ngwakọta ngwaọrụ | |||
| Ọkwa | Ụdị iwe iwe
| OD | Ọkpụrụkpụ mgbidi | Ụdị eriri | ||
| 2 3/8 | 6.65 | EXG | EU | 60.32 | 7.11 | NC26 |
| 2 7/8 | 10.4 | EXGS | EU | 73.02 | 9.19 | NC31 |
| 3 1/2 | 13.3 | EXGS | EU | 88.9 | 9.35 | NC38 |
| EXG | 11.4 | |||||
| 15.5 | S | NC40 | ||||
| 4 | 14 | EXGS | IU | 101.6 | 8.38 | |
| EXGS | EU | NC46 | ||||
| 4 1/2 | 16.6 | EXGS | IEU | 114.3 | 8.56 | |
| 20 | EXGS | 10.92 | ||||
| 16.6 | EXGS | EU | 8.56 | NC50 | ||
| 20 | EXGS | 10.92 | ||||
| 5 | 19.5 | EXGS | IEU | 127 | 9.19 | |
| 25.6 | EXGS | 12.7 | ||||
| 19.5 | EXGS | 9.19 | 5 1/2FH | |||
| 25.6 | EXGS | 12.7 | ||||
| 5 1/2 | 21.9 | EXGS | 139.7 | 9.17 | ||
| 24.7 | EXGS | 10.54 | ||||
| 6 5/8 | 25.2 | EXGS | 168.28 | 8.38 | 6 5/8FH | |
| 27.7 | EXGS | 9.19 | ||||
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