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...e time as one integral operation. This feature eliminates the need to drill the large diameter hole with a Rock Bit, pull the drill rod string and Rock Bit from the hole and then ream the casing back into th...
... for domestic and foreign shield machines such as Palmieri, Herrenknecht, Robbins, China railway equipment, etc., meeting the needs of various tunnel excavation operations With advanced reaming and forging t...
... operation. This feature eliminates the need to drill the large diameter hole with a Rock Bit, pull the drill rod string and Rock Bit from the hole and then ream the casing back into the hole. Key: 1. Standa...
... cutter-retention mechanisms for use under harsh (drilling fluid and high temperature/pressure) downhole conditions, extended on-bottom run and both forward reaming and backreaming operating...
...operations of various spare parts, including end face, conical face, excircle, internal hole, metric thread, English standard thread, module thread, diametrical pitch thread, etc. In addition, it is applicab...
..., calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding,...
...calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding, a...
...calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding, a...
...calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding, a...
..., calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding,...
...calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding, a...
..., calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding,...
..., calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding,...
..., calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding,...
...distribution of the cement around the casing during cementing operations. Slip-On Non-Welded Bow Spring Centralizer Features Heat treated to optimize standoff in gauge holes, under reamed holes, and washed-o...
..., calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding,...
...calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding, a...
...calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding, a...
...calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding, a...
..., calibration, pressure sleeve, the finale and the pressure bearing assembly operations, bending, demolition work, cutting steel, rope, coupled with mold may punching, blanking, bending, stretching, folding,...