Drilling technology 3rd semester, Lecture notes of Engineering

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DRILLING RIG OPERATING SYSTEM

BY

PROF.(DR.) A.K.PATHAK

DEPARTMENT OF PETROLEUM ENGINEERING

INDIAN SCHOOL OF MINES

DHANBAD

E-mail: [email protected]

1. Derrick or Mast and Substructure
2. Power and Prime Movers
3. Hoisting Component
4. Rotating Component
5. Circulating Component
6. Well Control Component
7. Tubular and Tubular Handling Equipment
8. Bit
   9. Fishing Tools

1. Derrick or Mast and Substructure Mast A portable derrick that can be raised as unit. For transporting by land, the mast can be divided into two or more section.

1. Derrick or Mast and Substructure Substructure The foundation in which the derrick or mast and usually the Drawworks sit. In contains space for storage and well control equipment.

2. Power and Prime Movers Internal combustion engine or a turbine that is the source of power for driving equipment on the Rig. A drilling rig in which the source of power is one or more internal- combustion engine and in which power is distributed to rig components through devices such as chains, sprockets, clutches and shaft is said to be a Mechanical Rig.

Internal combustion engine or a turbine that is the source of power for driving equipment on the Rig. A drilling rig in which the source of power is one or more internal- combustion engine and in which power is distributed to rig components through devices such as chains, sprockets, clutches and shaft is said to be a Mechanical Rig.

2. Power and Prime Movers

Internal combustion engine or a turbine that is the source of power for driving equipment on the Rig. A drilling rig in which the source of power is effected by the combination of engines, generator set, control system and electric motors is said to be a Electric Drilling Rig.

2. Power and Prime Movers DC-DC System

Internal combustion engine or a turbine that is the source of power for driving equipment on the Rig. A drilling rig in which the source of power is effected by the combination of engines, generator set, control system and electric motors is said to be a Electric Drilling Rig.

2. Power and Prime Movers AC-DC System

3. Hoisting Component The Rig Equipment responsible for the raising and lowering of the Drillstring. Consist of the following: 1. Mast or Derrick 2. Drawworks 3. Crown Block 4. Traveling Block 5. Deadline Anchor 6. Supply Reel 7. Drilling Line

3. Hoisting Component 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.
4. Drawworks

3. Hoisting Component An assembly of sheaves mounted on beams at the top of the derrick/mast and over which the drilling line is reeved.
4. Crown Block FAST SHEAVE CROWN SHEAVE

3. Hoisting Component An assembly of sheaves mounted on beams at the top of the derrick/mast and over which the drilling line is reeved.
4. Crown Block

3. Hoisting Component An assembly of sheaves or pulleys through which the drilling line is reeved and which moves up and down in the Derrick or Mast.
4. Traveling Block BLOCK HOOK

3. Hoisting Component An assembly of sheaves or pulleys through which the drilling line is reeved and which moves up and down in the Derrick or Mast.
4. Traveling Block TRAVELING BLOCK WITH DYNAPLEX HOOK