Friday 5 February 2016

INTERVIEW / TEST FOR DRILLING COMPANIES

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Q. How you connect drill collars and drill pipe ?
A. Use crossover between them.

Q. What is B.O.P ?
A. If any flow comes from well we can control it with the help of B.O.P (Blow Out Preventor).

Q. Where is B.O.P located  ?
A. It is fixed upon well head.

Q. What is height of derrick or mast ?
A. "140 feet to 147 feet.


Q. What is height of monkey board ?

A. "80 feet to 88 feet.

Q. What is drill string ?
A. It consists of bit, bit sub, drill collars, crossover, beavy weight drill pipe, drill pipe and Kelly.

Q. How long is Kelly ?
A. "40 feet to 45 feet.

Q. How many tongs are on rig ?
A. Make up tong off driller side break out tong off driller side and spinner (power) tong.

Q. Which chemicals are used for mud?
A. Barite, soda caustic, soda ash, C.M.C salt, Gel and many more.

Q. What is drill line size ?
A. 1-1/4", 1-3/8", 1-1/2", 15/8" & 19/16"

Q. What is mouse hole ?
A. We keep drill pipe in it before making connection.

Q. What is rat hole ?
A. Rat hole is to store/keep Kelly.

Q. How many crew works on rig ?
A. There are 3 crews on rig. Each crew consist of one driller, one assistant driller, one derrick man, three or four floor men and three or four roustabouts.

Q. What are drill collar sizes ?
A. 4-3/4", 6-1/2", 81/2", 9" and 9-3/4"


Q. What are drill collar thread sizes ?
A. 4-3/4" drill collar    3-1/2" IF (Internal Flush)
    6-1/2" drill collar    4-1/2" IF
    8-1/2" drill collar    6-5/8" Regular
    9"       drill collar    7-5/8" Regular
    9-1/2  drill collar    7-5/8" Regular







Q. On what type of rig you worked ?
A. Oil Well 760 Electrical Rig.  GD 1500 E (Gardner Denver). 
National 110 UE (Electrical Draw Works)
Tong type          -     B-J type (Byro & Jackson)
Spinner Tong     -    B-J type
Slip and safety clamp    -    Varco or Bash Rose
Elevator             -     B-J type
B.O.P.               -     Camron


Q. What is the size of casing ?
A. 20", 13/3/8", 9-5/8", 7".

Q. What is length of Kelly ?
A. 40 feet  to  45 feet.

Q. How you connect drill pipe and drill collar ?
A. By using cross over.

Q. What is length of casing ?
A. 40 feet

Q. What is Roustabout job ?
A. Loading and unloading of all materials, mud mixing, cleaning, scraping, painting and whatever the A.D. says to do.

Q. What is Floor Man job ?
A. To work under the orders of Driller, making a connection, run in hole (RIH) pull out of hole (POOH) cleaning, scraping, painting, keeping hand tools clean and in good working condition.

Q. What are the sizes of drill pipes ?
A. 5", 4-1/2" and 3-1/2".

Q. What are drill pipe thread sizes ?
A.          5"       Drill pipe     -     4-1/2" IF
             4-1/2" Drill pipe     -     4" IF
             3-1/2" Drill pipe     -     3-1/2" IF

Q. What is length of drill pipe ?
A. About 31 feet


Q. What are the sizes of drill collars ?
A. 10" or 9-3/4", 8", 6-1/2", 4-3/4".

Q. What is thread sizes of drill collars ?
A.     9-3/4" drill collar     -     7-5/8" Regular threads
        8"        drill collar     -     6-5/8" Regular threads
        6-1/2" drill collar      -     4" IF
        4-3/4" drill collar      -     3-1/2" IF

Q. What is length of drill collar ?
A. About 30 feet  to  31 feet.







Q. What is BIT size ?
A. 26",   17-1/2",   12-1/4",   8",   6"  and all the bits have Regular threads.

Q. What is size of Heavy Weight Drill Pipes (H.W.D.P) ?
A.   5"    with  4-1/2" IF thread.

Q. What is casing size ?
A. 20",   13-3/8",   9-5/8" and 7".

Q. Which type of rig you have worked ?
A. SCR Electrical Rig (Top Drive Rig).

Q. What is tubing size ?
A. 2-3/8",   2-7/8",   3-1/2"   and   4-1/2".

Q. What is length of one tubing ?
A. About 31 feet.

Q. What is thread type for tubing ?
a. VAM type,   TDS type  and  EUE type.

Q. What is length of one stand of Drill Pipes or Drill Collars or Heavy Weight Drill Pipes or Tubing ?
A. About 92 feet to 94 feet.

Q. How many mud tanks you have on your rig ?
A. Suction tanks, Shaker tanks, Trip tank, Reserve tank.

Q. How many mud pumps you have on your rig ?
A. Three mud pumps on each rig. Two active mud pumps and one stand-by mud pump.

Q. How you mix mud ?
A. We mix mud through hoppers.

Q. How many hoppers are on rig ?
A. There are two to three hoppers on every rig.

Q. What is function of Shale Shakers ?
A. It separates cuttings from return mud.

Q. What is De sander function ?
A. It separates sand or chemical from mud to make the mud of desired quality.

Q. What is De Gasser ?
A. It separates gas from return mud.

Q. What are Agitators ?
A. Agitators keep the mud well mixed and do not allow the chemicals to settle at the bottom of mud tank. Every mud tank carry two agitators except trip tank which have no agitator.




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