Casing & Tubing
Standard：
API SPEC 5CT Standard of American Petroleum Institute
Steel Grade:
J55, K55, N80, L80, N80-1, N80Q P110 etc．
Diamensional tolerances:
Types of steel tubes Outer diameter Wall thickness
Cold-rolled tubes Tube sizes
(mm) Tolerances(mm) Tolerances(mm)
＜114.3 ±0.79 －12.5％
≥114.3 －0.5％，＋1％
Mechanical properties：
Standard codes Models of steel tubes Tensite strength（MPa） Yield strength（MPa） Elongation（％） Hardness
API SPEC 5CT J55 ≥517 379～552 check the table
K55 ≥517 ≥655
N80 ≥689 552～758
L80(13Cr) ≥655 552～655 ≤241HB
P110 ≥862 758～965
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Rotary Reamer |
Rotary Reamer
Introduction:
Rotary Reamer is designed for various reams in drilling operation. Especially it can perform the double functions of ... |
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Downhole Motor |
Downhole Motor
Downhole motor is a kind of downhole dynamic drilling tool upon the power of drilling mud. Mud stream from the outlet of mud pump f... |
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Manifold |
Manifold
Choke and Kill manifold
Choke manifold and Killing manifold are the important well control equipments to carry out close balance drillin... |
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Drill Collar |
Drill Collar
Usage :
One of the most important components of the drill string is to provide drilling bit of pressure and the drill string rigid r... |
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Stabilizer |
Stabilizer
Material: AISI 4145H, AISI 4145H Mod. Alloy Steel, AISI 4140-4142, AISI 4340, Non-mag material
Specification: OD: 6”-36”
We offer:
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