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Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level hydraulic releasing spear manufacturers and suppliers, with professional factory, we are able to produce API and oilfield hydraulic releasing spear, welcome to contact us.
1.Introduction
Hydraulic releasing “GS” spear is used to fish the tools with standard “GS” internal fishing neck. With little down weight, the “GS” spear can be locked in the fishing neck in hole, rising the string to pull out the fish. If the fish is failed to back off and well pulling, running the tubing string, through the circulating fluid to catch the fish, pulling out the string successfully for further fishing operation. With high strength design, the spear can withstand the impact load from the jar, and the spear jaw structure can make the spear securely tightening drop fishing, but the jaw body will not carry any tension load.
2.Feature and benefits
*Larger drift than the traditional "GS" spear
*Applied to jar fishing operation
*Wash the sand and debris of the fish by circulating fluid
*Loading on the mandrel
3.Application
Standard fishing operation
Heavy-duty fishing operation
Spec.（in） |
Connection |
Min. Fishing neck（in） |
Max. Fishing neck（in） |
1.810 |
1’’ AMMT |
1.345 |
1.625 |
2.000 |
1’’ AMMT |
1.600 |
1.750 |
2.250 |
1.5’’AMMT |
1.750 |
2.150 |
2.700 |
1.5’’AMMT |
2.100 |
2.480 |
3.000 |
2.375’’PAC |
2.450 |
2.800 |
3.370 |
2.375’’PAC |
2.800 |
3.000 |
3.500 |
2.375’’PAC |
3.125 |
3.375 |