238mm MRS190 Concentric Symmetric Casing Drilling System Hole Opener Drill Bit For Rock Formation Drilling

Brand Name:MING
Certification:ISO9001
Model Number:MRS190-DHD360
Minimum Order Quantity:1PC
Delivery Time:3-5WEEKS
Payment Terms:T/T, D/P, Western Union
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Location: Wuhan China
Address: 1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
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Product Details

Product name: 238mm MRS190 Concentric Symmetric Casing Drilling System Hole Opener Drill Bit For Rock Formation Drilling

Casing pipe OD: 190mm


It is recommended to drill in rock formation where contains some ovals and fractures.


Designed with high drilling efficiency in mind, MRS Overburden Casing Drilling System bit effortlessly powers through various tough materials. Whether you are working with concrete, rock, or any other challenging surface, this drill bit delivers exceptional performance, making your drilling tasks a breeze.


Product components:

1. Pilot bit+3PCS wiggle wings+casing shoe

2. Pilot bit+4PCS wiggle wings+casing shoe


Production details:

ModelHole dia.(mm)Weight (KG)Closed dia (mm)Pilot dia (mm)Total length (mm)Case Dia(OD*ID)Spline
MK-MRS19023880190203550219*206DHD360,QL6,SD6
MK-MRS215276100215236590254*240DHD380,QL8,SD8
MK-MRS235293110236251590273*254DHD380,QL8,SD8
MK-MRS240293115241256590273*260DHD380,QL8,SD8
MK-MRS280345180280300740323*302SD10
MK-MRS3153732403153361050356*337N120
MK-MRS3654323503653811100406*387N120,N125
MK-MRS4104784604124301100457*435N125
MK-MRS4605305854604751100508*483N125,SD18
MK-MRS5105808605095271180559*533N180,SD18
MK-MRS5606359105605811180610*584N180,SD18
MK-MRS61069511006006301200660*632N240
MK-MRS66073512006566811207711*685N240
MK-MRS71078514807107301207762*736N240
MK-MRS74583816507457761207813*780N240

How to order:

Casing Tube OD & ID + Reamer Bit Diameter + Minimal Casing Shoe ID + Hammer Shank Style


RFQ:

1. What is casing design?

The design of a casing program involves the selection of setting depths, casing sizes and grades of steel that will allow for the safe drilling, and completion of a well to the desired producing configuration.


2. How does a casing advancer Work?
Drilling and casing can be done simultaneously as a single, integrated operation thanks to the Casing Advancer's design. This feature saves time and effort by removing the drill rod string and rock bit from the big diameter hole before reaming the casing back into the hole.


3. How far can you directional bore?
What are the minimum and maximum lengths of crossing? Maximum lengths and hole diameters are determined by project specific geotechnical conditions however effective outside range for heavy rig horizontal directional drilling is 3,000m


Product manufacturing:

China 238mm MRS190 Concentric Symmetric Casing Drilling System Hole Opener Drill Bit For Rock Formation Drilling supplier

238mm MRS190 Concentric Symmetric Casing Drilling System Hole Opener Drill Bit For Rock Formation Drilling

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