Zj30ct trailer-mounted drilling rig is fitted with reliable diesel engine and transmission, 125' (38m) hydraulic telescoping mast, double wheel four-axle semi-trailer. Several patent technical designs and configuration, such as double fast line, hydraulic tong type auxiliary brake, are optional. The rig has following features: reasonable layout, low cost for mobilization, easy site installation, reliable operation performance, and easy maintenance. The rig suits drilling operation of shallow well within 9, 840' (3000m). Driven by double diesel engine and hydraulic transmission. Allison hydraulic transmission. Special semi-trailer chassis with fast transportation and low transportation cost. Air-controlled water-cooling disk auxiliary brake for drawworks is optional. Main parameters Model Zj30/1800ct Drilling depth(4-1/2"dp) ft(m) 9840(3000) Workover depth(3-1/2"dp) ft(m) 21325(6500) Max.Hook load lb(kn) 404640(1800) Drill line dia., in.(mm)/lines ª)1.25(ª)32)/10 Max.Hook speed ft/s(m/s) 4.46(1.36) Overall dimensions in shipping status ft(m) 81.36íß10.83íß14.76(24.8íß3.3íß4.5) Weight lb(kg) 165340(75000) According to customer's request
