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Excellent Quality W series wireline drill casing for diamond mining drilling
>> Introductions of Casing Pipe
Casings are often used when there is need to stabilize the drill hole and protect it from leaking,collapsing or water-bearung stratum. Casing is a tube or pipe made of grade steel and is used to stabilize the upper section of a bore hole to prevent it from caving in and to prevent loss of drilling fluids.
It is used for protecting subsurface formations. It also protects the wellbore from collapsing. Owing to its functions, circulation and extraction of drilling fluid are allowed to take place
Casings are flush joint type and available in W and WT threads.
W casing utilizes the DCDMA W thread form. WT casing is made with DCDMA tubing and tapered thread form.
>> Features of Casing Pipe
1) Use optimized buttress thread so that the connecting strength can reach the strength of the pipe body.
2) High seal reliability: this product has the multi-seal configuration.
3) The joint has high capability to resist compression, bending and over-torque load with the reverse torque internal shoulder.
4) Energy loss reduction: the air and liquid turbulence are reduced by the inner flat design.
Available size for Casing Pipe
"W" Design: RW,EW,AW,BW,NW,HW,PW,SW,UW,ZW/HWT,PWT
Metric Series: 46,56,66,76,86,101,116,131,146
"X" Design: RX,EX,AX,BX,NX,HX,PX,SX,UX,ZX
>> Characteristics of W series Casing
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W casings are made in DCDMA standards and are available in AW, BW, NW, NWA,HW and PW standards. TUBING • High quality alloy steel tubing • Consistent concentricity, straightness and heat treatment • All tubing available in DCDMA sizes THREAD • Tapered, course threads (3 threads per inch) provides easy make and break • Load efficiency of 30% provides sufficient strength for average applications THRU-WALL HEAT TREATMENT • Provides 140% material strength • Heat treated box threads significantly increases thread wear life |
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CASE HARDENING
• Significant research, development and field testing has resulted in a hardening process that is unmatched in the marketplace
• Pin thread crest is hardened to nominal 55 HRc to eliminate damaging 'adhesion' wear
• Eliminates the transfer of wear material back and forth which is what happens between threads of equal hardness, leading to large scale galling and joint seizing
>> Specification of W series Casing
| Std | OD(mm) | ID(mm) | Wall thickness (mm) | Thread pitch (mm) | Pin thread length (mm) | Weight (Kg) |
| AW | 57.20 | 48.40 | 4.40 | 6.35 | 57.20 | 5.73 |
| BW | 73.00 | 60.30 | 6.35 | 6.35 | 63.50 | 10.51 |
| NW | 88.90 | 76.20 | 6.35 | 6.35 | 69.90 | 12.92 |
| NWA | 91.00 | 80.00 | 5.50 | 6.00 | 72.00 | 11.59 |
| HW | 114.30 | 101.60 | 6.35 | 6.35 | 76.20 | 16.90 |
| PW | 139.70 | 127.00 | 6.35 | 8.47 | 82.60 | 20.87 |
>> Specification of W series Casing 1.5M
| Description | Item | N.W/ casing (kg) | Casing/ bundle | G.W/bundle (kg) | L*W*H (mm) |
Volume m3 |
| CAS-AW-1500 | 1.5 meter,AW casing | 8.80 | 100.00 | 988.00 | 1600*685*685 | 0.75 |
| CAS-BW-1500 | 1.5 meter,BW casing | 16.00 | 60.00 | 1072.00 | 1620*845*550 | 0.75 |
| CAS-NW-1500 | 1.5 meter,NW casing | 19.60 | 40.00 | 898.00 | 1620*825*555 | 0.74 |
| CAS-NWA-1500 | 1.5 meter,NWA casing | 17.60 | 40.00 | 820.00 | 1620*840*565 | 0.77 |
| CAS-HW-1500 | 1.5 meter,HW casing | 25.80 | 30.00 | 885.00 | 1630*796*682 | 0.89 |
| CAS-PW-1500 | 1.5 meter,PW casing | 32.20 | 20.00 | 750.00 | 1640*950*810 | 1.26 |
>> Package&Shipment
>> Our Service
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>> Pre-sale service Acting as a good adviser, our well-trained sales groups and professional technical team propose most rational solutions for our valued client as per practical project requirement. >> Select suitable model & matched equipment. >> Strong technical support. Reply clients' questions within 24 hours. |
>> Service During Sales We have responsible team from raw material to finished products, and guarantee 100% pass rate. >> Design and manufacture products basis of client's special equirement >> Inspect each machine & matched accessories strictly before delivery >> Timely inform client of production progress. |
>> After Sales Service We're always with you in after-sale service. >> We can arrange related after-sales representatives for debugging and training at worksite when starting up. >> E-mail, call or door-to-door service in later using.
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>> About Company
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JCDRILL provide users high quality Mining & Drilling solutions,we always focus on the strategic conception of "Survival by quality, Development by credit''.
We have specilized in research, development and produce of rock blasting drilling rig, water well drilling rig, diamond core drilling rig, anchor drilling rig, and relative accessories & drilling services. constantly provide professional drilling solutions for all customers with our advanced technology, excellent equipment, strict testing means and good service network, which establish our brand "JCDRILL" a good image of market, now,we products account for 50% of domestic market and have been export to more than 40 countries, and we awarded ISO9001: 2000 in November, 2002.
With excellent technology and solid market service capabilities, we have both a sound marketing system and excellent service support system, which help us win confidence of customers both at home and abroad,we can provide drilling rig users with high quality professional air compressor solution and relative after-sales service also. |
>> Certification
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