| After-sales Service: | Support |
|---|---|
| Warranty: | Support |
| Type: | Seamless |
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Oil casing is a large diameter pipe that serves as the tructural retainer,it can protect both subsurface and well bore from collapsing and to allow drilling fluid to circulate and extraction.
Material:J55,K55,L80,N80,P110
Size: 2-1/2" ,4 1/2",5 1/2",6 5/8",7" ,9 5/8" to 20" / Outside Diameter 60mm to 508 mm
Wall thickness:4-16mm
Length: R1(4.88m-7.62m)/R2(7.62m-10.36m)/R3(10.36m-14.63)
coupling: BTC (Buttress Thread Coupling),
STC (Stub(Short) Thread Connector),
LTC (Long Thread Connector)
NUE/EUE/VAM or no thread
Standard:API spec 5CT
Certificates:API5L, ISO 9001:2008, BV,CCIC
Surface Treatment:External surface coating (black painted), mark as api 5ct stanard,varnish, oil
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MATERIAL OF OIL CASING PIPE
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H40,J55,K55,N80-1,N80-Q,L80-1,L80-9Cr,L80-13Cr,P110,Q125 etc
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STANDARD
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API 5CT,GB,ISO11960,GOST
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THREAD
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STC.BTC.LTC.EUE.PH6
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LENGTH
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R1(4.86-7.62M). R2(7.62-10.36M). R3(10.36-13M)
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NO.
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OD(inch)
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OD(mm)
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Wall Thickness(mm)
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1
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4-1/2
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114.30
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5.21 / 5.69 / 6.35 / 7.37 / 8.56
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2
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5
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127.00
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5.59 / 6.43 / 7.52 / 9.19 / 11.10 / 12.14 / 12.70
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3
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5-1/2
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139.70
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6.20 / 6.98 / 7.72 / 9.17 / 10.54/ 12.70 / 14.27 / 15.88 / 17.45
/ 19.05 / 20.62 / 22.22
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4
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6-5/8
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168.28
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7.32 / 8.94 / 10.59 /12.06
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5
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7
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177.80
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5.87 / 6.91 / 8.05 / 9.19 / 10.36 / 11.51 / 12.65 /13.72 / 15.88
/ 17.45 / 19.05 / 20.62 /22.22
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6
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7-5/8
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193.68
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7.62 / 8.33 / 9.52 / 10.92 / 12.70 / 14.27 / 15.11 / 15.88 / 17.45
/ 19.05
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7
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7-3/4
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196.85
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15.11
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8
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8-5/8
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219.08
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6.71 / 7.72 / 8.94 / 10.16 / 11.43 / 12.70 / 14.15
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9
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9-5/8
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244.48
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7.92 / 8.94 / 10.03 / 11.05 / 11.99 / 13.84 / 15.11 / 15.47 / 17.07
/ 18.64 /20.24
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10
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10-3/4
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273.05
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7.09 / 8.89 / 10.16 / 11.43 / 12.57 / 13.84 /15.11
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11
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11-3/4
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298.45
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8.46 / 9.53 / 11.05 / 12.42 / 13.56 / 14.78
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12
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13-3/8
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339.72
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8.38 / 9.65 / 10.92 / 12.19 / 13.06
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13
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16
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406.40
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9.53 / 11.13 / 12.57 / 16.66
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14
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18-5/8
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473.08
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11.05
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15
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20
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508.00
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11.13 / 12.70 / 16.13
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Q1:Can I get samples before order ?
A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.
Q2:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q3:What product information do I need to provide?
A:You need to provide the grade, length, width, diameter, thickness, coating and the number of tons you need to purchase.
Q4:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept third party inspection.
Q5:How do we trust your company?
A:We specialise in steel business for years , headquarter locates in Liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, we have CE and ISO certificate, quality can be guaranteed, the most important point is that we ship enough weight as per the order.
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