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Seamless casing pipe mainly used in oil, gas, water geothermal well drilling. Drilling is a systematic project, which is a joint operation of multi-disciplinary and multi-work using a variety of equipment, tools and materials. At the same time, it is a multi-program close connection, multi-link interlocking continuous operation. The entire process of construction is quite complex. The completion of each well includes three stages: pre-drilling, drilling and completion. There are a series of construction procedures at each stage of the project. The main processes generally include: fixed well location, road survey, foundation construction, installation of derrick, moving, installation equipment, drilling, secondary drilling, drilling, drilling, drilling, drilling, completion, electrical testing, casing, cementing operations, etc.
5 1/2" (139.70mm)Seamless Casing Pipe
API-5CT Casing Pipe
Steel grade: J55,K55,N80,L80,P110,C95,13Cr,28Cr
Threads: BTC,LTC,STC,PRMIUM CONNECTION
Length: R1, R2, R3
OD mm | Ib/ft | Grade | W. T | short | long | buttress |
139.70(5 1/2" ) | 14.00 | H, J, K | 6.20 | YES | ||
15.50 | J, K | 6.98 | YES | YES | YES | |
17.00 | J, K, C, L, N, P | 7.72 | YES | YES | YES | |
20.00 | C, L, N, P | 9.17 | YES | YES | ||
23.00 | C, L, N, P, Q | 10.54 | YES | YES |
a: Buttress casing is available with regular, special clearance couplings or special clearance couplings with special bevel.
P= Plain end; S= Short round thread; L= Long round thread; B= Buttress thread.
0531-69959201
lqg18653457231
+86-18653457231
No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
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