Oil and gas rotary drilling rig have several tools at rig floor for handling drill string various components. Rig floor is a platform which provide work space for crew member for tripping drill pipe into or out of wellbore.
Driller’s Console:
The control panel, located on the rig floor, where the driller controls drilling operations
Rotary drilling rig crew use various tools for handling drilling string while tripping operation.. let see these various rig floor components that provide support for deal with drill string components.
Side door Elevators:
A set of clamps that grips drill sting or casing string to lower or raise in wellbore.
Single Joint Elevators:
Pick up single joint of tubular from cat walk.
Slip
Slip hold drill pipe or casing pipe in rotary table
Hydraulic slip
It is hydraulically operated slip to hold tubular in rotary table
Power tong
Power tong is hydraulically operated tong to speed up making or breaking process of tubular connections
Hydraulic unit
Its provide hydraulic power to operate power tong , draw work, TDS and BOP trolley
Manual Tongs:
The large wrenches used for turning when making up or breaking out drill pipe, casing, tubing, or other pipe
Cat head
It is hydraulically operated and used to apply force to manual tongs with steel wire for make up or break up of tubular connection
Safety Clamp:
Its set of gripping elements (dies) to hold firmly drill collar and prevent slipping of drill collar from drill collar slip.
Stair
Stair is attached with rig floor for personnel to go up or come down from rig floor
Weight Indicator:
A device for measuring the weight of the drill string.
BOP (Inside Blow Out Preve
It is plunger type flow control valve that only permit fluid to pump down and work as check valve.
It must kept open on rig floor to be used in well control situation.
Full opening safety valve
It is ball type safety valve used for controlling flow from drill string in well control situation.
A L shape key is used to open and close this valve..
Chain Tong
Used to screw in two tubular manually.
Lifting subs
lifting sub is used with drill collar, elevator is latched with lifting sub and drill collar is lowered in or pull out from bore hole
Lifting Cap
It is make up on tubular box to pick up or lay down tubular with air host hook.
Mud Bucket
Is barrel type device used around drill pipe to collect mud and drain to flow line while pooh.
BOP trolley
It is located below rig, mounted on track guide. It is used for handling BOP stack for installation and removal BOP from well head.
Air Hoist
It is pneumatically operated wench used to pick up tubular from cat walk.
Cat walk and V-door
Cat walk is ramp structure from where tubular are picked up to rig floor by air hoists.
Where as V-door is opening on rig floor that provide access to bring tubular from cat walk with air hoists
Tricone Bit Breaker
This is piece of equipment which is used to make up or break out tricone bit from drill string by applying required torque with manual tongs.
PDC Breaker
It is used to make up or break out PDC bit from drill string.
Rat hole
Is hole on rig floor cased with pipe and is used to rack kelly.
Mouse hole
Is also hole on rig floor cased with pipe and is used to place drill pipe for making up connection.
Dog house
Used as store on rig floor to place rig equipment.
Flow line
It is large OD pipe which take mud return from BOP stack bell nipple to shale shaker.
Drill pipe circulating head
It is device make up with drill string with circulating hose or high pressure checkson lines for following purposes.
** PT casing through drill string with cement unit
** Performing cement job through stinger.
** For circulating through string to change out rotary hose or wash pipe.
Casing circulating head
Make up to casing string with hose washing down any tight spot (restriction) while running casing.
Cement stringer
It is used to perform casing cement job with inner string. It is stabbed into casing shoe and cement is pumped through inner string.
Circulating hose
It is made up between circulating head and stand pipe for circulation.
Chiksan line loop
It is high pressure line used for cement pumping job and casing/tubing pressure testing.
Chiksan swivel:
It has ball bearing and have ability to rotate for aligning connection of swivel to make up with chiksan line.
Low torque valve
is a valve which can be easily operated with a bar and is used with chiksan line to Pressure test chiksan line .
I need to know more
I want to know more about rig floor hand tools
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