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Casing Advancement Systems
Overburden Drilling Systems
We can make hardened alloy steel casing shoes to order, and we can also take care of welding shoes and ring bit assemblies to casing when required.
Casing lengths and specifications can usually be produced to specific requirements. Listed below are the casing and shoe sizes for the most popular systems. Other sizes are available on request, and we can, of course, also supply the Drill Rods. Contact our knowledgeable sales team to discuss your exact requirements.
Outside Diameter (mm)
114.3
114.3
139.7
139.7
168.3
193.7
219.1
254.0
273.1
Wall Thickness (mm)
6.4
8.0
6.4
8.0 - 9.5
8.0 - 9.5
8.0 - 9.5
9.5 - 12.7
9.5 - 12.7
9.5 - 12.7
Thread type
Modified Square
Single or Double Start Klemm
Modified Square
Single or Double Start Klemm
Single or Double Start Klemm
Single or Double Start Klemm
Single or Double Start Klemm
Single or Double Start Klemm
Single or Double Start Klemm
Standard lengths: 1 m, 1.5 m, 2.0 m and 3 m effective, alternate lengths and combinations can be produced to customer requirements.
