What is elevator in drilling rig?
An elevator is used to raise and lower the drilling pipe in and out of the drilling hole by latching around the top of the drill string pipe joints. Most elevators are hinged and the drilling rig team can open and close them by using the latch with handles on either side of the elevator.
What is elevator in oilfield?
Elevators, as developed for the drilling industry, are a hinged device with handles that are used to wrap around the tool joint of drill pipe, casing or lift nipples (for collars) to facilitate the lifting or lowering of them singly or of the drill string as a whole.
What attaches the hook to the elevator?
Rig crews attach the elevator to the hook or Top Drive with two forged high-grade steel rods called links or bails. One end of the link fits into the link ears on the hook or Top Drive.
What is slips in oil and gas?
Slips is a device used to grip and hold the upper part of a drill string to the drill floor on an oil rig. The slips are constructed as a collection of metal wedges, hinged together to form a circular shape around the drill pipe. On the inside surface, the slips normally has replaceable steel teeth that grips the pipe.
What is elevator jamb?
JAMB: Formed metal panels that surround an entrance opening.
What is slip casing?
At a basic level, casing slips are steel wedges hinged together. Just like rotary hand slips, they are used to grip the tubular pipe and carry the weight of the whole string to keep it from falling into the well.
What does ROP stand for in drilling?
Rate of Penetration
ROP stands for “Rate of Penetration,” which is basically how fast the bit is drilling the hole. Average ROP is generally measured by taking the total distance drilled divided by the time it took to drill it. For example, if you drill 1000 feet in 10 hours, 1000′ divided by 10 hours is 100 feet per hour – on average.
What is rotary table in drilling?
A rotary table is a mechanical device on a drilling rig that provides clockwise (as viewed from above) rotational force to the drill string to facilitate the process of drilling a borehole. Rotary speed is the number of times the rotary table makes one full revolution in one minute (rpm).
What is tripping in in oil field?
Tripping refers to the process of removing and/or replacing pipe from the well when it is necessary to change the bit or other piece of the drill string, or when preparing to run certain tests in the well bore.
What is an elevator header?
HEADER PLATE: Formed hot rolled steel angle which attaches to hanger support and provide mounting surface for operator equipment. HEAD JAMB: Formed metal horizontal panel above entrance opening attached to side jambs and header. HITCH: Where the lift cable attaches to crosshead on traction elevators.
What is elevator doghouse?
Doghouse- A raised section on the rear of the cab to the maximum allowable height faced with aluminum diamond plate (if possible).