Workover Rig Servicing, Drilling and Crown Blocks by Crosby
RigPro carries quality blocks from Crosby including Oilfield Servicing Blocks, Oilfield Drilling Blocks, and Crown Blocks.
Oilfield Servicing Blocks
McKissick® Oilfield Tubing Blocks utilizing new Split Nut Retention System. Revolutionary new retention system eliminates conventional threaded nut and potential problems associated with thread corrosion. 70 Series has a spring loaded hook for heavy usage and is built to last long. 80 Series does not have a spring loaded hook in order to be suited for shallow depths.
- E-Z Opening Guards
- Convenient rod hook clevis
- Double row, pre-adjusted tapered bearings with seals
- McKissick Split-Nut® hook parts precision machined and individually fitted for maximum performance.
- Lock Arms that have self-retaining bolts
Oilfield Drilling Blocks: RJ Style Drilling Blocks
- Double Row, pre-adjusted bearings with seals
- McKissick Roll-Forged Sheaves
- Easy opening guards
- Spring Loaded Hook
- Combination hook blocks have interchangeable parts with BJ type
- McKissick® blocks built up to 1982.
Crown Blocks
- McKissick Roll-Forged Sheaves
- Double row pre-adjusted sealed tapered bearings mounted on a steel shaft
- Pre-assembled units for rapid attachment to crown assembly for installation on derrick.
- On multiple sheave assemblies, one sheave can be grooved for sand line on request
McKissick Roll-Forged™ sheaves
- McKissick Roll-Forged™ sheaves are available in sizes from 305mm to 1981mm. They are engineered to provide maximum hardness for wear-resistance and a closer fit for wire rope. With McKissick Roll-Forged Sheaves you can expect better balance and distribution of forces instead of uneven stress and failure that other sheaves face.
Sheaves Selection Guide: to accurately display the information in this guide, the original document is necessary http://www.thecrosbygroup.com/html/default.htm#/en/281
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