Casing & Tubing
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
Other supplier products
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Taper tap |
Taper tap
Taper tap is an internal catch fishing tool designed to retrieve tubular members from the well bore. It is the most economical tool of i... |
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Fishing Magnet |
The Fishing Magnets are used to retrieve all types of small objects having magnetic attraction from bore hole bottoms. Such undrillable objects as ... |
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Crown Block |
Crown Block
The crown frame is made of high strength steel shapes.
Sheave grooves are hardened by medium frequency induction to provide extended ... |
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Junk Basket |
Reverse Circulating Junk Basket
Reverse Circulating Junk Basket Type LL is used to retrieve small-sized fishes, such as cone, cutter, hand tools a... |
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SHOCK ABSORBER |
Type SJ
Shock Absorber Type SJ should be connected with the drilling string close to the bit. It can reduce or absorb both longitudinal and circum... |
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