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Rotary Drilling Components
Transcript of Rotary Drilling Components
Components Prepared By:
Eng. Al Sunni S. Abdelmajeed The ministry of petroleum provides training for graduates all across Sudan in the field of petroleum engineering and geology in all their respective fields
This program aims to craft a generation of dutifully qualified and experienced engineer and geologists able to take charge of the field in the future. INTRODUCTION: • As a representative of the OPEA (Oil Production and Exploration Authority) the Trainee undergoes extensive field training in analysis and data accumulation.
• The trainee is taken to drilling sites as an observer under secure conditions to study all related aspects of field work in real life situations.
• At the end of their term all trainees receive proper accreditation for the achievements. Job Description: Operator
Drilling Superintendent Government
Partners Well site
man Tool Pusher Mud Engineering
Deviation Electric Logging
Roustabout 1.Derrick & Substructure 2.Power System 3.Hosting Component 4.Rotating Component 5.Circulating Component 6. Well Control Component: 7.Tools & Equipment Derrick The drilling rig uses a derrick to support the drill bit and pipe (drill string). The derrick is a steel tower that is used to support the traveling and crown blocks and the drill string. But also we used to lifting and handling tools and equipment. Mast The drilling rig uses a derrick to support the drill bit and pipe (drill string). The derrick is a steel tower that is used to support the traveling and crown blocks and the drill string. But also we used to lifting and handling tools and equipment. Substructure It is a framework that rests on the ground right over the hole.
The substructure support:
1-The mile of pipe that will be used to drilling the hole.
2-The hoisting system.
3-The rotating system A drilling rig needs power to operate the circulating, rotating, and hoisting systems. This power comes from two or more diesel engines. Power is transmitted to the drilling rig from either generators that provide electricity or mechanical drivers that use a series of pulleys and belts to transmit power from the engines to the components that require the power. 1-Engine Generator Sets 2-Electric Cable Tray 1. Drawworks 2. Crown Block The hoisting mechanism on a drilling rig. It is essentially a winch that spools off or takes in the drilling line and thus raises or lowers the drillstring. An assembly of sheaves mounted on beams at the top of the derrick/mast and over which the drilling line is rived. 3. Traveling Block An assembly of sheaves or pulleys through which the drilling line is rived and which moves up and down in the Derrick or Mast. 4. Deadline Anchor An equipment that holds down the deadline part of the wire rope. It is usually bolted on to the substructure. 5. Supply Reel A spool that stores the unused portion of the Drilling Line. 6. Drilling Line The wire rope used to support the Drilling Tools. The Rig Equipment responsible for the raising and lowering of the Drillstring. The Rig Equipment responsible for rotating the Drillstring. 1. Swivel It also provide connection for the rotary hose and provide passageway for the flow of drilling fluid into the drillstem. 2. Kelly Spinner A pneumatically controlled device mounted below the Swivel that when actuated causes the Kelly to spin. 3. Kelly The heavy steel member, usually four or six-sided that is suspended from the Swivel through the Rotary Table and connected to the topmost joint of drillpipe to turn the drill stem as the rotary table turns. 4. Kelly Bushing A device that when fitted to master bushing transmits torque to the kelly and simultaneously permits vertical movement of the Kelly to make hole. 5. Top Drive A hydraulically powered device located below the Swivel that when actuated allows the Drill stem to spin and proceed in drilling. 6. Master Bushing A device that fits into the rotary table to accommodate the slips and drive the kelly bushing so that the rotating motion of the rotary table can be transmitted to the Kelly. Rotating
Component The Rig Equipment responsible the movement of drilling fluid within the well as well as solids removal incurred by the drilling fluid.
Normally the circulation would start from the mud pits, down the drill stem, up the annulus and back to the mud pits. 1. Mud Pump 2. Pump Manifold A large, high-pressure reciprocating pump used to circulated the mud on a drilling rig.
A typical mud pump is a two cylinder, double acting or a three-cylinder, single acting piston pump whose pistons travel in replaceable liners and are driven by a crankshaft actuated by an engine or motor. An arrangement of piping and valves that receives drilling fluid from one or more mud pumps and transmit the drilling fluid to the succeeding circulating component. 3. Standpipe 4. Swivel 5. Drillstring 6. Annulus 7. Return Line 8. Shale Shaker 9. Desander 10. Desilter 11. Degasser 12. Mud Pit Equipment used to move, make and break connection, suspend tubular on the rig. The passageway of the drilling fluid as it comes out of the well. An equipment the uses a vibrating screen to remove cuttings from the circulating fluid in rotary drilling operations. A centrifugal device for removing sand from the drilling fluid to prevent abrasion of the pumps. Also a centrifugal device for removing free particles of silt from the drilling fluid to keep the amount of solids in the fluid at the lowest possible point. A waste pit, usually an excavated earthen-walled pit. The equipment used to remove unwanted gas from a liquid, especially from drilling fluid. Tubular Equipment Tubular Handling Equipment 1. Drill Pipe 2. Drill Collar 3. Heavy Weight
Drill Pipe 4. Kelly These are heavy seamless tubing used to rotate the bit and circulated the drilling fluid. Joints of pipe approximately 30 feet long are coupled together by means of tool joints. The heavy, thick-walled tube steel, used between the drill pipe and the bit in the drill stem to provide pendulum effect to the drill stem and to provide weight on bit. Similar in appearance to a drill pipe, HWDP has the following different dimensional characteristics; the tube wall is heavier about 1”thick in most sizes, the tool joints are longer, and the tube section has a larger diameter at mid length to protect the pipe from wear. 5.Subs Similar in appearance to a drill pipe, HWDP has the following different dimensional characteristics; the tube wall is heavier about 1”thick in most sizes, the tool joints are longer, and the tube section has a larger diameter at mid length to protect the pipe from wear. 6.Bits Fixed Bits A variety of bits are available for drilling and sampling operation. The selection of bit is usually dependent on the formation which is to be drilled and the purpose of the borehole. Roller Cone Bits Core Bits 1. Elevator Links Equipment attached onto the Traveling Block in order to suspend the Elevators. 3. Lifting Subs 2. Elevator Equipment attached onto the Traveling Block in order to suspend the Elevators. 4. Lifting Plug 5. Tugger/Winch A pneumatically operated drum with wire rope spooled onto it to move or lift heavy objects on the rig floor. 6. Slips A wedge shape piece of metal with teeth or other gripping elements that are used to prevent pipe from slipping down into hole or to hold the pipe in place. 7. Safety Clamp The are used on tubulars above the slips to prevent dropping the string should the slips fail to hold. 8. Tong Large wrenches used to make or break out tubulars. 9. Kelly Spinner A pneumatically operated device mounted on top of the kelly that when actuated causes the kelly to spin. 11. Iron Roughneck A pneumatically operated machine that replaces the functions performed by the Kelly Spinner, Drillpipe Spinner and Tongs. 12. Bit Breaker A device that is placed on top of the rotary table to enable the bit to be made up to drill string. 10. Drillpipe
Spinner A pneumatically operated device usually suspended on the rig floor used to make fast connections and spin off of drill pipes.