Junk Mills
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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Junk Mills |
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 it... |
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Junk Mills |
Substructure
1. The substructure is divided into prizing-trailers, truck-mounted, entrusted Pack, me block, double-up, spin-up, and so on.
2. Box-... |
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Mud Pump |
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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Downhole Motor |
Heavy Weight Drill Pipe
Integral or Weld Heavy Weight Drill Pipe
Standard: API Spec 7
Specification: OD 3 1/2”, 4 1/2”, 5”, 5 1/2”
Material: AISI 4... |
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Crown Block |
The crown frame is made of high strength steel shapes.
Sheave grooves are hardened by medium frequency induction to provide extended service life.... |
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