Gear driven drawworks copyright 2014 alta rig systems inc. 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. 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. Mpi of all load path components and critical areas of shaft assemblies dimensional control of all shaft, journal and critical components. 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. These drawworks require minimal maintenance, are entirely selfcontained and completely enclosed. Jul, 2016 dangerous idiots tree felling fails with chainsaw.
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. Oilfield drawworks manufacturer drawworks supplier drilling. 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. Their light weight and small dimensions make them ideal for frequent rig moves or limited offshore crane capacity. Electric drill rigs are more expensive than mechanical rigs, but offer some nice advantages in return.
All bearings are roller bearing, all shaft material are alloy steel. 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. Refurbished national oilwell 1625de drawworks 3000hp rig. 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. Drawworks auxiliary brake force control industries, inc. The drawworks is driven by ac vf motors, which is powerful and with a wide vf speed regulation scope. Unit e 126, 3f, wing tat commercial building, 97 boham strand east, sheung wan,hongkong tel. The direct drive clutch offers fewer moving parts than most industry drawworks.
Mpi inspection of all critical areas of the drawworks frame. Drawworks adopts roller bearings totally,the shafts adopt superior alloy steel. The drawworks is together with the mud pumps and the bop the most costly component of. Drilling rigs for sale at, a commission free online equipment marketplace. Nov 14, 2019 rig equipment drawworks, pumps dc generator. Overview drawworks specifications the following table lists the specifications for the commander drawworks. Rig consist of draw works, often called the hoist, the derrick or mast, the crown block, traveling block and the drilling line wire rope.
Explore the worlds largest, free 3d model library, but first, we need some credentials to optimize your content experience. The drilling system has dual active heave compensating drawworks for increased performance, efficiency, safety and redundancy. The drawworks is an integral part of the hoisting system, which raises and lowers the drill string, top drive and swivel. Engineered for maximum durability, sovonex ac and dc drawworks are built to hoist massive loads over many years. Oilfield national drawworks drilling equipment for sale. May 27, 2010 a drawworks is used in connection the raising and lowering of a variety of loads. This design is very straightforward, utilizing hardened sprockets and american made bearings.
Drawworks oil drilling,drawworks drilling,drawworks for. Its main function is to provide a means of raising and lowering the traveling block. 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. Check that all the chain oiler nozzles are in place and not plugged this is a good maintenance item to do when the rig. 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. Design and calculation of zj402250ldb rig drawworks. Lightweight with compact dimensions, our drawworks operate under the most extreme climate conditions. These drawworks eliminate the need for overhead motion compensation, providing a lower center of. The result is a simple design with few mechanical parts, a small footprint and light weight. Our line of premier drilling drawworks models ranges from a 700hp drawworks for mobile land rigs to a 9000hp activeheave drawworks for floating rigs. 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.
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. Drawworks definition oilfield glossary oil and gas glossary. Lci1500c single drum drilling rig with mast hook capacity of 1,000,000 lbs, powered by two 752 electric motors. It is used for operation of lifting or laying down mast, hoisting or descending drilling tools and casings. This sub60,000lb drawworks meets current demands for compact, lightweight, lowcost land drilling solutions. The drawworks will be fitted with 2 ge 752 dc motors and a 6032 baylor brake. Our products are designed to be safe, simple and strong, which reduce risks and save time. We know how important it is to find a competitive quote from a qualified company to get your new oilfield equipment in the field on time. Dsls experienced technicians and engineers can be mobilized to worldwide from one of many service locations. 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 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. The primary function of the drawworks is to reel out and reel in the drilling line. A drawworks is the primary hoisting machinery component of a rotary drilling rig.
With over 100 years of experience and thousands of drawworks in the field, nov is the worlds premier drawworks manufacturer. 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 lone star rig drawworks utilize a simple design, which was engineered based on the experiences of drillers in the field. The fleet mobile offshore drilling units odfjell drilling. 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. Drawworks for oil drilling rig stock image image of.
Drawworks designs, manufactures and sells casing running tools, as well as handling, circulating, and flowback tools for oilfield tubulars. A drawworks is the primary hoisting machinery that is a component of a rotary drilling rig. 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. The drawworks is one of the most important items on the entire rig. Singapore k2 specialist services carried out api 5 yearly inspections and maintenance on the national 1625de drawworks. Commander 2000 two motors, 1 38 cable nominal power rating continuous duty. 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. The hoisting system, in conjunction with the circulating equipment, consumes a major portion of the rig s power.
With a complete line of chain and gear driven drawworks, we offer an ideal hoisting system for every rig. The modular design allows for easy maintenance and repair. The integrated drilling control system for managing, controlling, and monitoring rig floor equipment in independent and activitybased operations to be provided. The manufacturer of new well servicing rigs rig works, inc features a unique design in well servicing drawworks. 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. 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. We offer outright and exchange units, as well as parts and service 247. Dsl offers service and repair for your drawworks onsite or in our service centers by certified technicians. Power systems drilling engineering netwas group oil. On drawworks clutches, make sure that the sliding cone is a nonlocking style. Our line of drawworks models range from 700 horsepower drawworks for mobile land rigs to 9000 horsepower active heave drawworks for floating rigs. The high speed end and low speed end of drum adopt pneumatic tube clutch. The drawworks has passed factory tests and has been put into industrial put, and has well reaction. The machine on the rig consisting of a largediameter steel spool, brakes, a power source and assorted auxiliary devices.
By overpowering a drawworks with ac motors, performance comparable to a conventional drawworks. The jc series drawworks could equipped with modern ac or dc motor. Geardriven drawworks improve drilling efficiency oil. All models are manufactured strictly to api 7k and constantly optimized as a result of customer feedback. 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. Drilling drawworks and hoisting systems national oilwell varco. The machine on the rig consisting of a largediameter steel spool, brakes. 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. 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. So we are providing our visitors a chance to save some time looking for freight quotes from multiple trucking companies.