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Hydraulic Circulating Valve For Drill Stem Testing Service High Pressure DST Tools
The Hydraulic Circulating Valve serves as a bypass around the packer or as a circulating valve to circulate a well after downhole testing operation.The hydrualic circulating valve is designed with full bore which permits passage of wireline tools through its full-opening bore. When the hydraulic circulating valve run below a closed valve, the circulating valve serves as a bypass around the packer and helps relieve pressure buildup below the closed valve when it is stung into a production packer. When the hydraulic circulating valve run above a closed valve, the tool can be used as a circulating valve when the workstring is picked up.
Technical parameter of Hydraulic Circulating Valve
| 1 | Size | 127.5mm(5”) | ||||||||||||||||||||||||||||||||||||
| 2 | ID | 57mm | ||||||||||||||||||||||||||||||||||||
| 3 | Length | 2312mm(IF BxP) | ||||||||||||||||||||||||||||||||||||
| 4 | Working Pressure | 105Mpa | ||||||||||||||||||||||||||||||||||||
| 5 | Tensile Strength | 1459KN | ||||||||||||||||||||||||||||||||||||
| 6 | Internal Pressure Strength | 105Mpa | ||||||||||||||||||||||||||||||||||||
| 7 | External Pressure Strength | 139Mpa | ||||||||||||||||||||||||||||||||||||
| 8 | Torque Strength | 22KN.m | ||||||||||||||||||||||||||||||||||||
| 9 | Service | Mud,Crude Oil,Natural gas NACE MR0175,Above 175F | ||||||||||||||||||||||||||||||||||||
| 10 | Working Temperature | -29oC~204oC | ||||||||||||||||||||||||||||||||||||
| 11 | Connection Thread | 3 1/2” IF BXP 3 7/8” CAS BXP | ||||||||||||||||||||||||||||||||||||
Note:
1. The tensile and working pressure values are calculated based on new tool conditions.
2. Premium threads can be available by request.
