Main Products: Petroleum Equipments
Surface bumper jar type DJ70 2
Negotiable /Set
Min.Order:1 Set
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Sinotai Petroleum Equipment Co., Ltd.
Credit Member 4 years 
Business Type: Trading Company
Shandong ChinaMain Products: Petroleum EquipmentsProduct Details
Surface bumper jar DX
1. It is an effective tool for resolving the stuck problem by producing downward jarring impact to the stuck portion.
2.It is used to joint at the drilling platform, so the tool has the advantages of powerful jarring force, reliable tonnage-adjusting and convenient utilization.
3. It is especially effective for freeing key-seat and tight-hole tool.
Specification Series and Performance Parameters
Type | O.D mm (in.) | I.D. mm (in.) | Connection API | Max tensile load MN (Lbf) | Max jarring load MN (Lbf) | Max stroke mm (in.) | Seal pressure MPa | Overall length mm (in.) |
DJ46 | 121 (43/4) | 32 (11/4) | NC38 | 0.90 (202500) | 0.40 (90,000) | 1 800 (70.87) | 20 | 3 395 (133.66) |
DJ70Ⅱ | 178 (7) | 50 (115/16) | NC50 | 1.80 (405000) | 0.75 (168,750) | 1 222 (48.11) | 20 | 3 030 (119.29) |
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