Rig consist of draw works, often called the hoist, the derrick or mast, the crown block, traveling block and the drilling line wire rope. Rig tong on the rig floor of drilling rig drill pipe and rig tong on the rig floor while making up drill pipe and top drive on the rig floor while making up drawworks cathead rotating rig equipment drawworks cathead rotating wire line blow out preventer for perforation on the rig floor. Electric generators powered by large diesel engines the prime movers generate electricity that move the heavy rig equipment such as the rotary table or top drive, mud pumps and drawworks. Nov 14, 2019 rig equipment drawworks, pumps dc generator. The direct drive clutch offers fewer moving parts than most industry drawworks. We are dedicated to producing a superior quality product and ensuring that the customer receives a value added product that directly influences their safety and profitability. In wellbore operations, such as drilling a well for oil or gas, a drawworks is used on a rig or with a derrick to hold and to raise and lower tubulars, e. Its main function is to provide a means of raising and lowering the traveling blocks.
This design is very straightforward, utilizing hardened sprockets and american made bearings. Lci1500c single drum drilling rig with mast hook capacity of 1,000,000 lbs, powered by two 752 electric motors. The owi ac 1600 integrates some of the latest technology and safety features available today with the durability and familiarity of units that have been designed and built for years. Oilfield national drawworks drilling equipment for sale. The active heave drilling ahd drawworks set new drilling standards for compensation, accuracy, improved wireline life, workable load range, and rig safety by providing proven activeheave motion compensation for floating rig applications. National 110 ue drawworks completely rebuilt national 110 ue the drawworks is being completely disassembled blasted and mag partical inspection on all load bearing parts. The jc series drawworks were developed to provide the market with more reliable technology and more hoisting performance.
Jul, 2016 dangerous idiots tree felling fails with chainsaw. The lone star rig drawworks utilize a simple design, which was engineered based on the experiences of drillers in the field. These drawworks are equipped with ac motors which provide significantly more performance and have made possible a machine that requires approximately half the space and weight with less maintenance than traditional drawworks. Drawworks auxiliary brake force control industries, inc.
The result is a simple design with few mechanical parts, a small footprint and light weight. The integrated drilling control system for managing, controlling, and monitoring rig floor equipment in independent and activitybased operations to be provided. Drilling drawworks and hoisting systems national oilwell varco. The primary function of the drawworks is to reel out and reel in the drilling line, a large diameter wire rope, in a controlled fashion. Drawworks adopts roller bearings totally,the shafts adopt superior alloy steel. Our line of drawworks models range from 700 horsepower drawworks for mobile land rigs to 9000 horsepower active heave drawworks for floating rigs. The primary function of the drawworks is to reel out and reel in the drilling line. Our line of premier drilling drawworks models ranges from a 700hp drawworks for mobile land rigs to a 9000hp activeheave drawworks for floating rigs. The drawworks is driven by ac vf motors, which is powerful and with a wide vf speed regulation scope. Drawworks designs, manufactures and sells casing running tools, as well as handling, circulating, and flowback tools for oilfield tubulars.
Unit e 126, 3f, wing tat commercial building, 97 boham strand east, sheung wan,hongkong tel. By overpowering a drawworks with ac motors, performance comparable to a conventional drawworks. The drawworks has passed factory tests and has been put into industrial put, and has well reaction. This sub60,000lb drawworks meets current demands for compact, lightweight, lowcost land drilling solutions. Engineered for maximum durability, sovonex ac and dc drawworks are built to hoist massive loads over many years. Drawworks oil drilling,drawworks drilling,drawworks for.
Our products are designed to be safe, simple and strong, which reduce risks and save time. Our automated drawworks systems ads provides drillers with enhanced safety of the drilling process. Drawworks for oil drilling rig stock image image of. Singapore k2 specialist services carried out api 5 yearly inspections and maintenance on the national 1625de drawworks. The drilling system has dual active heave compensating drawworks for increased performance, efficiency, safety and redundancy. Gear driven drawworks copyright 2014 alta rig systems inc. On drawworks clutches, make sure that the sliding cone is a nonlocking style. The manufacturer of new well servicing rigs rig works, inc features a unique design in well servicing drawworks. Design and calculation of zj402250ldb rig drawworks. With over 100 years of experience and thousands of drawworks in the field, nov is the worlds premier drawworks manufacturer. Lightweight with compact dimensions, our drawworks operate under the most extreme climate conditions. Its main function is to provide a means of raising and lowering the traveling block. With a complete line of chain and gear driven drawworks, we offer an ideal hoisting system for every rig. The system to be designed to allow operators to focus on drilling, tripping, and standbuilding processes by providing an efficient and intuitive rig floor command center.
Dsls experienced technicians and engineers can be mobilized to worldwide from one of many service locations. Their light weight and small dimensions make them ideal for frequent rig moves or limited offshore crane capacity. The drawworks will be fitted with 2 ge 752 dc motors and a 6032 baylor brake. Electric drill rigs are more expensive than mechanical rigs, but offer some nice advantages in return. Check that all the chain oiler nozzles are in place and not plugged this is a good maintenance item to do when the rig. Mpi inspection of all critical areas of the drawworks frame.
We offer outright and exchange units, as well as parts and service 247. The drawworks in savannas drilling rigs is powered by a variable ac motor which means the integrated top drive can be accurately controlled during operation. Overview drawworks specifications the following table lists the specifications for the commander drawworks. Al master rig rebuilds come with complete data books. All models are manufactured strictly to api 7k and constantly optimized as a result of customer feedback. Explore the worlds largest, free 3d model library, but first, we need some credentials to optimize your content experience.
Power systems drilling engineering netwas group oil. The monoshaft drawworks consis ts of ac vf motor, gear reducer, hydraulic disc brake, dw frame, drum shaft assembly, autobit feeding device and control system etc. May 27, 2010 a drawworks is used in connection the raising and lowering of a variety of loads. Commander 2000 two motors, 1 38 cable nominal power rating continuous duty. It is used for operation of lifting or laying down mast, hoisting or descending drilling tools and casings. Specification model jc40d jc50d jc70d jc80d jc90d nominal depth range m ft 20003200 656210499 28004500 918614764 40006000 23219685 50008000 1640426246 60009000 1968529527 rated input power kw hp 735 1100 1500 1470 2000 2210 3000 2210 3000 number x rated power of motors kw hp 2x580 2x777 2x800 2x1072. Jul 20, 2011 the drawworks in savannas drilling rigs is powered by a variable ac motor which means the integrated top drive can be accurately controlled during operation. The modular design allows for easy maintenance and repair.
During a round trip to 5,000 m 16,000 ft in two neighboring boreholes, a 2,500 hp geardriven drawworks with two drive motors, installed on royal dutchshell groups prostar rig, was slightly. Mpi of all load path components and critical areas of shaft assemblies dimensional control of all shaft, journal and critical components. A drawworks is the primary hoisting machinery component of a rotary drilling rig. These drawworks require minimal maintenance, are entirely selfcontained and completely enclosed. These drawworks eliminate the need for overhead motion compensation, providing a lower center of. In this paper, design and calculation for a drawworks system has been done, in order to provide a strong theoretical basis for the use of drawworks. The jc series drawworks could equipped with modern ac or dc motor. The hoisting system, in conjunction with the circulating equipment, consumes a major portion of the rig s power. The mast is a 147 three section free standing with 1,000,000 lbs capacity and an independent electric rotary drive. The drawworks is together with the mud pumps and the bop the most costly component of. The machine on the rig consisting of a largediameter steel spool, brakes. The fleet mobile offshore drilling units odfjell drilling.
The wirerope drilling line winds on the drawworks drum and extends to the crown block and traveling blocks, allowing the drill string to be moved up and down as the. Drilling rigs for sale at, a commission free online equipment marketplace. So we are providing our visitors a chance to save some time looking for freight quotes from multiple trucking companies. Rig drawworks for sale refurbished national 20 drawworks for sale refurbished drawworks for sale refurbished national drawworks in europe national 20 ue drawworks for sale in norway drilling rig drawworks for sale. Technical marketing sheet active heave drilling drawworks. It is essentially a large winch that spools off or takes in the drilling line and thus raises or lowers the drill stem and bit. Dsl offers service and repair for your drawworks onsite or in our service centers by certified technicians.
All bearings are roller bearing, all shaft material are alloy steel. Oilfield drawworks manufacturer drawworks supplier drilling. The high speed end and low speed end of drum adopt pneumatic tube clutch. The machine on the rig consisting of a largediameter steel spool, brakes, a power source and assorted auxiliary devices. Drawworks definition oilfield glossary oil and gas glossary. The drawworks is an integral part of the hoisting system, which raises and lowers the drill string, top drive and swivel. The drawworks is one of the most important items on the entire rig. The rig has a stateoftheart, highly efficient drilling system, which includes a dual derrick with a main and an auxiliary work centre to facilitate a number of simultaneous operations. The wirerope drill line winds on the drawworks drum and over the crown block to the traveling block, allowing the drill string to be moved up and down as the drum turns. Compact and lightweight, this powerful line of mechanical drawworks provides elite performance, control and safety, all while reducing rig weight and freeing up valuable deck space. Refurbished national oilwell 1625de drawworks 3000hp rig.
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