Crown Block
Derrick is divided into A, K, the tower type, masts and other types of packages.
1. A cross-section of a derrick thigh, such as rectangular or triangular pattern, carrying capacity and local stability. The use of the inter-pin connector. Derrick Low installation, “A” crossing rely on the use of force as a whole from the winch release.
2. K-derrick as the main "K"-type section, for the thigh Flake truss structure, the use of the inter-pin connector. Derrick Low installation, “A” crossing rely on the use of force as a whole from the winch release.
3. Derrick main tower of steel structure for the pyramid, a bolt connection, the overall stability, large carrying capacity. The company also fixed offshore production platforms and the use of the pyramid derrick-up drilling derrick vessels using the dynamic, hook set up to 4890 KN.
4. Derrick-mast when Derrick direction to the well-head tilt, on the derrick Beng rope to maintain stability and carrying capacity.
5. Derrick is a suite of installation of the vertical telescopic derrick, my company is the development of new products in recent years. Its characteristics are along the vertical direction will be divided into several derrick space, in which as a base of support and guidance of the paragraph, by force or hydraulic power winch the remaining paragraphs were vertical installation, to achieve the objective of saving the installation site.
Specification
Derrick Model JJ90/39-A JJ170/41-A JJ225/42-A JJ315/43-A
Maximum static load KN 900 1799 2250 3150
M high degree of work 39 41 42 43
At the top span (× positive side) m(in) 1.2×1.8 1.6×2 1.6×2 1.6×2.1
At the bottom span m(in) 6.5 7.5 8 9
Two-story high m(in) 24.5、25.5、26.5 24.5、25.5、26.5 24.11、25.21、26.31 22.1,23.5,25.5,26.5
Two-story capacity m(in) 1680 2750 4000 4500
Wind resistance Non-work status (full rooted, no hook set) m/s 36 36 36 36
Non-state(non-rooted, contained no hook) m/s 47.8 47.8 47.8 47.8
Release from the derrick
m/s ≤8.3 ≤8.3 ≤8.3 ≤8.3
Weight kg 26592 34387 36321 37874
Note: If you need any other types, please specify the requirements when sending inquiry.
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