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GJ-A可取式封隔器采用下卡瓦和水力锚组合锚定方式，并以平衡活塞结构加强工具承压时的稳定性。水力锚上方设计有水力控制平衡阀，以保证封隔器坐封时使旁通关闭。
GJ-A可取式封隔器可用于射孔、采油、增产措施、测试等作业。
| 性能参数 | ||||||
| 套管外径 (in) | 套管重量 (lbs/ft) | 工作套管内径 | 产品外径 ( in ) | 产品内径 ( in ) | 上下接头螺纹 规格 | |
| 最小(in) | 最大(in) | |||||
| 4 1/2 | 9.5-13.5 | 3.91 | 4.09 | 3.77 | 1.81 | 2 3/8"-8RD EU |
| 5 | 15.0-18.0 | 4.25 | 4.408 | 4.13 | 1.81 | |
| 5 | 11.5-15.0 | 4.408 | 4.56 | 4.25 | 1.81 | |
| 5 1/2 | 26 | |||||
| 5 1/2 | 20.0-23.0 | 4.625 | 4.778 | 4.51 | 1.94 | |
| 5 1/2 | 15.5-20.0 | 4.778 | 4.95 | 4.64 | 1.94 | |
| 5 1/2 | 13.0-15.5 | 4.95 | 5.19 | 4.78 | 1.94 | |
| 6 5/8 | 24 | 5.83 | 5.937 | 5.65 | 2.38 | 2 7/8"-8RD EU |
| 7 | 38 | |||||
| 7 | 32.0-35.0 | 5.938 | 6.135 | 5.81 | 2.38 | |
| 7 | 26.0-29.0 | 6.136 | 6.276 | 5.97 | 2.38 | |
| 7 | 20.0-26.0 | 6.276 | 6.456 | 6.07 | 2.38 | |
| 7 | 17.0-20.0 | 6.456 | 6.578 | 6.27 | 2.38 | |
| 7 5/8 | 33.7-39.0 | 6.579 | 6.797 | 6.45 | 2.38 | |
| 7 5/8 | 24.0-29.7 | 6.798 | 7.025 | 6.67 | 2.38 | |
| 7 5/8 | 20.0-24.0 | 7.025 | 7.125 | 6.81 | 2.38 | |
| 8 5/8 | 57.4-60.7 | 7.062 | 7.25 | 6.98 | 3 | 3 1/2"-8RD EU |
| 8 5/8 | 44.0-49.0 | 7.511 | 7.625 | 7.31 | 3 | |
| 8 5/8 | 32.0-40.0 | 7.725 | 7.921 | 7.53 | 3 | |
| 8 5/8 | 20.0-28.0 | 8.017 | 8.191 | 7.78 | 3 | |
| 9 5/8 | 47.0-53.5 | 8.535 | 8.681 | 8.21 | 3 | |
| 9 5/8 | 40.0-47.0 | 8.681 | 8.835 | 8.44 | 3 | |
| 9 5/8 | 29.3-36.0 | 8.921 | 9.063 | 8.59 | 3 | |
| 10 3/4 | 40.5-55.5 | 9.75 | 10.05 | 9.5 | 3 | |
| 11 3/4 | 60.0-83.0 | 10.192 | 11.772 | 10.06 | 3 | |
| 11 3/4 | 38.0-65.0 | 10.682 | 11.15 | 10.38 | 3 | |
| 13 3/8 | 48.0-72.0 | 12.347 | 12.715 | 12.13 | 3 | |
| 16 | 75.0-102.0 | 14.75 | 15.125 | 14.5 | 3.75 | |
GJ-A可取式封隔器采用下卡瓦和水力锚组合锚定方式，并以平衡活塞结构加强工具承压时的稳定性。水力锚上方设计有水力控制平衡阀，以保证封隔器坐封时使旁通关闭。
GJ-A可取式封隔器可用于射孔、采油、增产措施、测试等作业。
| 性能参数 | ||||||
| 套管外径 (in) | 套管重量 (lbs/ft) | 工作套管内径 | 产品外径 ( in ) | 产品内径 ( in ) | 上下接头螺纹 规格 | |
| 最小(in) | 最大(in) | |||||
| 4 1/2 | 9.5-13.5 | 3.91 | 4.09 | 3.77 | 1.81 | 2 3/8"-8RD EU |
| 5 | 15.0-18.0 | 4.25 | 4.408 | 4.13 | 1.81 | |
| 5 | 11.5-15.0 | 4.408 | 4.56 | 4.25 | 1.81 | |
| 5 1/2 | 26 | |||||
| 5 1/2 | 20.0-23.0 | 4.625 | 4.778 | 4.51 | 1.94 | |
| 5 1/2 | 15.5-20.0 | 4.778 | 4.95 | 4.64 | 1.94 | |
| 5 1/2 | 13.0-15.5 | 4.95 | 5.19 | 4.78 | 1.94 | |
| 6 5/8 | 24 | 5.83 | 5.937 | 5.65 | 2.38 | 2 7/8"-8RD EU |
| 7 | 38 | |||||
| 7 | 32.0-35.0 | 5.938 | 6.135 | 5.81 | 2.38 | |
| 7 | 26.0-29.0 | 6.136 | 6.276 | 5.97 | 2.38 | |
| 7 | 20.0-26.0 | 6.276 | 6.456 | 6.07 | 2.38 | |
| 7 | 17.0-20.0 | 6.456 | 6.578 | 6.27 | 2.38 | |
| 7 5/8 | 33.7-39.0 | 6.579 | 6.797 | 6.45 | 2.38 | |
| 7 5/8 | 24.0-29.7 | 6.798 | 7.025 | 6.67 | 2.38 | |
| 7 5/8 | 20.0-24.0 | 7.025 | 7.125 | 6.81 | 2.38 | |
| 8 5/8 | 57.4-60.7 | 7.062 | 7.25 | 6.98 | 3 | 3 1/2"-8RD EU |
| 8 5/8 | 44.0-49.0 | 7.511 | 7.625 | 7.31 | 3 | |
| 8 5/8 | 32.0-40.0 | 7.725 | 7.921 | 7.53 | 3 | |
| 8 5/8 | 20.0-28.0 | 8.017 | 8.191 | 7.78 | 3 | |
| 9 5/8 | 47.0-53.5 | 8.535 | 8.681 | 8.21 | 3 | |
| 9 5/8 | 40.0-47.0 | 8.681 | 8.835 | 8.44 | 3 | |
| 9 5/8 | 29.3-36.0 | 8.921 | 9.063 | 8.59 | 3 | |
| 10 3/4 | 40.5-55.5 | 9.75 | 10.05 | 9.5 | 3 | |
| 11 3/4 | 60.0-83.0 | 10.192 | 11.772 | 10.06 | 3 | |
| 11 3/4 | 38.0-65.0 | 10.682 | 11.15 | 10.38 | 3 | |
| 13 3/8 | 48.0-72.0 | 12.347 | 12.715 | 12.13 | 3 | |
| 16 | 75.0-102.0 | 14.75 | 15.125 | 14.5 | 3.75 | |
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