
17 1/2" Heavy Duty Drilling Stabilizers with hard tungsten carbide
face API certified standard
Stabilizers
Roschen custom manufactured stabilizers are used to keep the drill
rod centered in the hole. They are available in a wide range of
construction with all wear surfaces coated with carbide hard
facing.
All stabilizers are made with a heavy-walled steel pipe.
Stabilizers larger than 8 1/2 OD are normally made with an inner as
well as an outer pipe for rigidity and strength. There is full,
direct flow circulation provided. We will discuss the specific
design with you before accepting your order.
All stabilizers are made with 4142 heat-treated, steel tool joints.
All ribs are fully welded on both sides and have hard facing.
Optional replaceable cast carbide ribs are available to increase
the gage life.
Roschen offers five standard styles of stabilizers.
The first type is the Smooth Stabilizer that is normally a couple of inches smaller than the borehole ID and can have an inner and outer barrel.
The Flow Through is another variation for larger diameters that
allow the cuttings to flow between the inner and outer barrel.
Straight Ribbed Stabilizers can have three or more ribs (4 ribs is
the most common) depending on the application. The ribs are welded
to the steel tubing and are hard-faced down the entire length to
extend the gage life.
A variation on the straight rib design is the Spiral Ribbed
stabilizer. The hard-faced ribs are hand spiraled around the steel
body to give 360-degree wall contact and assist in cutting removal.
The combination Spiral-Straight Ribbed stabilizer shown below gives
the wall contact of the spiral stabilizer while reducing the cost
of the spiraling process.
Finally, there is the Overhammer Stabilizer. The Roschen over-hammer stabilizer is built with the rugged construction that is standard for our units and with the ability to take the punishment of direct connection to the downhole hammer. The stabilizer is designed for the specific hammer that it is coupled with.
Spiral type integral blade tungsten carbide inserts stabilizer | ||||||||
Technical Specifications and Parameters | ||||||||
(in) | (mm) | End OD | ID | Kit Length (mm) | Connection | |||
(mm) | (mm) | String type | Near bit type | |||||
Top | Down | Top | Down | |||||
6 | 152.4 | 121 | 51 | 1200 | NC38 | 3 1/2 REG | ||
6 1/4 | 158.7 | |||||||
6 1/2 | 165.1 | |||||||
7 1/2 | 190.5 | 159 | 57 | 1600 | NC46 | 4 1/2 REG | ||
7 7/8 | 200 | |||||||
8 3/8 | 212.7 | 159 165 | 71 | 1600 1800 | NC46 NC50 | |||
8 1/2 | 215.2 | 159 | ||||||
165 | ||||||||
8 3/4 | 222.2 | 178 | ||||||
9 1/2 | 241.3 | 178 197 | 1600 | NC50 | NC50 | NC50 | ||
9 5/8 | 244.5 | 1800 | 6 5/8 REG | |||||
9 7/8 | 250.8 | |||||||
12 1/4 | 311.2 | 203 209 | 76 | 1800 | NC56 6 5/8 REG | NC56 6 5/8 REG | NC56 6 5/8 REG | 6 5/8 REG |
16 | 406 | 229 241.3 | 2000 2200 | NC61 7 5/8 REG | NC61 7 5/8 REG | NC61 7 5/8 REG | NC61 7 5/8 REG | |
17 1/2 | 444.5 | |||||||
24 | 609.6 | |||||||
26 | 660.4 | |||||||
28 | 711.2 |
ROSCHEN GROUP
ROSCHEN GROUP
ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.
ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.
ROSCHEN Manufactory PROCESS
ROSCHEN Sales Value Growing Up!
ROSCHEN'S MISSION
1. Strive to create and supply Best quality products for the industry that last longer than the average products.
2. Provide excellent service for our clients. 24 hour-7 days /week schedule to get our clients what they need – FAST.