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The double acting drilling intensifier is a downhole drilling tool to enhance jarring function for the full hydraulic drilling jar, so it must be used with the full hydraulic drilling jar together. It has hydraulic spring as the energy storage element and the structure design itself has no jarring function. The double acting drilling jar can intensify the drill collar and drilling jar which are connected under it to get more stronger jarring force, meanwhile it can reduce destroy for the drilling tools on the upper side of the intensifier during the upward or downward jarring operation.
Model | SZJS121 | SZJS165 | SZJS197 | SZJS241 | |
OD | mm (inch) | 121 (4-3/4) | 165 (6-1/2) | 197 (7-3/4) | 241 (9-1/2) |
ID | mm (inch) | 50.8 (2) | 57.2 (2-1/4) | 70 (2-3/4) | 76.2 (3) |
Tool Joint Connection | API | NC38 | NC50 | 6-5/8 REG | 7-5/8 REG |
Max. Upward Pull Force | KN(lbf) | 350 (79,000) | 700(160,000) | 1000 (225,000) | 1250 (281,000) |
Max. Downward Push Force | KN(lbf) | 180 (40,000) | 350 (79,000) | 500(112,000) | 650 (146,000) |
Max. Tensile Load | KN(lbf) | 1100 (247,000) | 2000 (450,000) | 2800 (630,000) | 3500 (790,000) |
Tensile Yield | KN(lbf) | 1950 (438,000) | 3750 (843,000) | 6650 (1,495,000) | 9850 (2,216,000) |
Torsional Limited | KNm (lbf-ft) | 15(11,000) | 30 (22,000) | 45 (33,000) | 75 (55,000) |
Torsional Yield | KNm (lbf-ft) | 27 (20,000) | 75 (55,000) | 90 (66,000) | 150 (110,000) |
Overall Length | mm (ft) | 5098 (16.7) | 5615(1 &4) | 5947 (19.5) | 6501 (21.3) |
0531-69959201
lqg18653457231
+86-18653457231
No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
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