Overall Definition and Industry Positioning of the Drilling Drawworks The drilling drawworks is a large heavy-duty hoisting machine installed in the rig floor area on the rig substructure. It is a petroleum-specific heavy machinery operating at low speed with high torque, under heavy alternating loads, and with continuous start-stop operation. Its working principle is to drive the drum to rotate forward and reverse through the power transmission system, reeling in and paying
english
français
Deutsch
Italiano
Русский
Español
português
Nederlandse
ελληνικά
日本語
한국
العربية
हिन्दी
Türkçe
indonesia
tiếng Việt
ไทย
বাংলা
فارسی
polski
