Vikaspuri, New Delhi, Delhi
GST No. 07AAICS4248R1ZL
Approx. Rs 100 / PieceGet Latest Price
Boart Longyear's overshots are an integral part of the Genuine Q(TM) Wireline System. Once the inner tube is full of core, the overshot is lowered to the bottom of the hole, and its heavy-duty lifting dogs grab a secure hold at the top of the inner tube assembly.
For maximum productivity in underground or pump-in applications, Boart Longyear offers the new Quick Pump-in(TM) overshot. The new Quick Pump-in(TM) overshot provides significantly improved pump-in rates with dual pump-in lip-seals. In addition, it incorporates the proven/reliable, patented Landing Indicator bushing as an optional bypass valve feature. When drilling flat or slightly declined, the landing indicator bushing and valve ball will provide a pressure spike upon landing and allow fluid to bypass the overshot when pulling from the hole, significantly improving retraction rates and eliminating the need to refill the hole with drilling fluid.
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Approx. Rs 100 / PieceGet Latest Price
Boart Longyear currently offers three models of the wireline core barrel system: Genuine QTM, QTKTM, and Q3TM. Genuine QTM/QTMTK wireline systems consist of the core barrel assembly and the overshot assembly. Both assemblies are integral to the wireline system. The core barrel assembly is composed of the inner-tube group and outer-tube group.The inner-tube group is composed of:
The outer-tube group is composed of the remainder of the core barrel components:
Approx. Rs 100 / PieceGet Latest Price
The head assembly provides: latching and pivoting spearpoint mechanisms to allow insertion and retrieval of the inner tube assembly, a bearing assembly to allow the inner tube to remain stationary and avoid sample damage while drilling, fluid pressure operating indications and fluid control valves. All head assemblies incorporate a shut off valve assembly which provides a fluid pressure signal to the drill operator when the valve members are compressed, indicating a full or blocked inner tube.
A key component of both the Quick Descent™ and the Quick Pump-in™ Head Assemblies is the new Spearpoint head , which has patented technology, which provides increased durability and safe use.
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