·It completely avoids the slip crush on drill pipe body when associated with toothless pneumatic slip, thus extend the drill pipe service life;
· It changes from the traditional double-elevator into single-elevator in the opertation of TIH and TOH, which bring the advantage with no need for removing and hanging the elevator frequently.
At the same time, a higher box tool joint position design can lead to the make and break more convenient, lower the labor's intensity; and it improves the safety of operation;
· Improving about 15% efficiency of TIH and TOH which compared with double-elevator, reducing non-drilling time, lowering the cost of operation;
·꧅Reducing the sticking risk of drill pipe effectively, lowering the frictional resistance remarkably.
(a)Size Range: 4", 4 1/2", 5", 5 1/2", 5 7/8", 6 5/8" etc;
(b)Steel Grade: G105, S135, HLDT-SH®V150, HLDT-SH®U165.
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