273mm overburden drilling system

Brand Name:ROSCHEN

Model Number:ODEX 90, 115, 165, 190, 240, 280

Place of Origin:CHINA

...designed for the simultaneous drilling and casing of holes, through unstable ground conditions. Key Features: 1. Available for casing sizes from 114mm (4 1/2") to 273mm (10¾") diameter Simple two-part design for better transfer of energy to Bit face 2.

Brand Name:MING

Model Number:MRING273-DHD380

Place of Origin:CHINA

... MRING tunneling casing drilling ring bit are designed to use ring bit which is not connected to casing shoe. Special profile DTH Bit passes through enough large inner diameter of ring bit. MRING tunneling casing drilling ring bit technical parameters:

Brand Name:SOLLROC

Model Number:Symmetrix Overburden Drilling System

Place of Origin:China

... with a sacrificial 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

Brand Name:MIROC

Model Number:Overburden Drill Bit

Place of Origin:Shangdong,China

... overburden with casing. Symmetric can drill straight holes at any angle (including horizontal) and to depths beyond 100 meters. Working together as one efficient drill bit, the components are made up of: A pilot bit with large internal flushing holes and

Brand Name:MIROC

Model Number:Symmetric casing system with reamer

Place of Origin:CHINA

... central pilot bit drills away the center part of the hole and guides the drill string, incorporated with a sacrificable symetrical ring bit make a full face drill bit. Advantages of Symmetric Drilling Sound drilling straightness and fast drilling speed.

Brand Name:New Diamond

Model Number:Eccentric Overburden Drilling Equipment

Place of Origin:Hunan, China (Mainland)

...be used at the next hole.This is particularly design for shallow holes, as is often the case in water well drilling, geothermal wells and for shallow micro-piling work. Eccentric casing drilling system is ideal for short holes in consolidated overburden.

Model Number:HD35

Place of Origin:China

Brand Name:Super Diamond

...designed to advance casing during drilling. Once a desired depth is reached they eccentric bit can be retrieved leaving the casing in place for sampling or installations. Overburden Casing Drilling System DTH Bit is very popular in international water well

Brand Name:JCDRILL

Model Number:All Models

Place of Origin:China (Mainland)

...Drilling Tools Concentric Overburden Casing Bit Hole Drlling JCDRILL DTH Over Burden Concentric Bits Description The eccentric reamer drill is an overburden drilling system designed for conditions where a cased hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time. The eccentric designed bit rotates outward and drills...

Brand Name:Glorytek

Model Number:GL380-259-250

Place of Origin:China

Overburden casing system ​Product Description The Concentric Casing System with Sliding Blocks is a versatile drilling tool designed for efficient borehole construction. This system features a concentric arrangement of casings along with sliding blocks that facilitate smooth drilling operations by stabilizing the drill string and enhancing borehole integrity. The sliding blocks enable easy adjustment and positioning of the casings during drilling

Place of Origin:China

Brand Name:Jinquan

Model Number:Threaded & Tapered

... a drilled hole ahead of the bottom of the casing. The casing is then simultaneously advanced by a percussive force applied to either the top or bottom of the casing. As the hole is advanced, the drill cuttings are normally removed by air and travel up the

Brand Name:Pangolin

Place of Origin:HeBei China

... Equipment DTH hammer drill bit manufacturer DTH drill bit is made of the highest quality aircraft alloy steel. The most commonly used methods for expanding the size of pilot holes are blast hole drilling, quarrying, down-the-hole drilling, water well

Brand Name:TR Solids Control

Model Number:TRJTB

Place of Origin:Xi'an China

Oil Drilling Tool Drive Sub OD 273mm for Washover Pipe Product Overview Drive sub is a kit tool for washover work, which is used in connecting drill pipe and washover pipe. Washover pipe is the necessary tool for doing the washing operation. It adopts the ...

Brand Name:tysim

Model Number:customizable

Place of Origin:jiangsu，China

Item Description Model 1 Tremie pipe with wire cable coupling Diameter 273mm Length 3m Wall thickness 4.5mm KTP273 -3 2 Tremie pipe with wire cable coupling Diameter 273mm Length 1.5m Wall thickness 4.5mm KTP273 -1.5 3 Tremie pipe with wire cable coupling ...

Brand Name:XDEM

Model Number:QZ200

Place of Origin:China

XDEM DTH Air Drilling Equipment QZ200 Water Well Drilling Rig QZ200 air operated water well drilling rig model: QZ200 Drilling diameter: Φ90—Φ273 mm Drilling depth: 200 m Vertical shaft speed: r/min Drilling diameter Φ90—Φ273mm Drilling depth 200m ...

Brand Name:Shitan

Model Number:ST-200

Place of Origin:China

...Drill Rig With 150 m Depth For The Well Quick know The drill rigs use hydraulic pressure feeding structure it can proceed attacking and gyrating drilling The drill is usually used for the engineering geological reconnaissance in road,bridge foundation,dam site,prospecting, or industrial and civil architecture The drill rigs are widely used in clay,sand seam,sand and stone seam,sand and boulder bed in Quaternary overburden