Super Jaws Simultaneously Overburden Drill Bits and Casing Shoes

• Customization: Available
• Customized: Customized
• Standard: API
• Length: Jobber-length
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Transport Package: Carton
• Trademark: BESTLINK
• Origin: Xiamen Fujian
• HS Code: 70161000
• Production Capacity: 100000set/Year

Product Description

 

Super Jaws Overburden Drilling Systems

 

The Symmetric - Concentric drilling system is designed to drill and case a hole simultaneously through unstable ground conditions. The driver bit incorporated with a satisficial ring or reusable ring makes a full face head design which significantly improves the penetration rate and hole straightness of drilling. The internal flushing grooves together with the built-in casing shoes gives a good seal to the button of the drilling hole, and thus minimizing the disruption of the surrounding of the drill hole. 

 

Super jaws is especially popular in micro-piling, tie-back work, or overburden systems where the casing is recovered, or in deep overburden areas where high amounts of friction build up on the outside of the casing.

 

The Super Jaws Overburden Bit can be used with different casing wall thicknesses and produces outstanding results in all formations.

 

Technical Parameter Table: 

Outer Dia. of Casing Tube	Inner Dia. of Casing Tube	The Max. wall thickness	Reamed Dia.	Reamed block	Inner Dia. of Casing Shoe	Drill Pipes	Type of hammer recommended
mm	Mm	mm	mm	pc	mm	mm	mm
168	156	6	185	2	142	76,89	DHD350
178	158	10	195	2	148	76,89	DHD350
183	163	10	200	2	152	76,89	DHD350
194	180	7	209	2	167	89,114	DHD360
219	205	7	237	3	192	89,114	DHD360
245	225	10	264	3	210	114	DHD380
273	259	7	308	3	242	114	DHD380
325	305	10	458	3	282	114	NUMA100
406	382	12	426	4	360	127	NUMA125