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GEO BANG > drill eng > Flashcards

drill eng Flashcards

0

1
Q

Electrical power generators found in rigs typically use diesel-powered internal combustion engines called

A

prime movers”

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2
Q

a large pulley system used to lower and raise drillstring, casing, and equipment into and out of the well.

A

Hoisting System

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3
Q

Main components: drilling line, drawworks, crown block, travelling block, deadline anchor, and reserve drum

A

Hoisting System

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4
Q

Lifts equipment and drillstrings up and down

A

Drawworks

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5
Q

Driller-controlled clutch and gearing system

A

Drawworks

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6
Q

Uses brake system when lowering equipment

A

Drawworks

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7
Q

Uses a large revolving drum

A

Drawworks

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8
Q

Electric motors and gearing system runs the drum

A

Drawworks

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9
Q

A wire rope called the ______ is spooled around the drum

A

drilling line

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10
Q

an assembly of sheaves (or pulleys) over which the drilling line is reeved

A

Crownblock

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11
Q

mounted on beams at the top of the derrick

A

Crownblock

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12
Q

Can have a fixed or a mounted hook

A

Travelling Block

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13
Q

Allows the drillstring to be raised or lowered

A

Travelling Block

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14
Q

an arrangement of pulleys through which the drilling line is reeved

A

Travelling Block

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15
Q

A large hook with a snap-shut locking device suspended from the travelling block

A

Drilling Hook

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16
Q

Used to suspend the drillstring

A

Drilling Hook

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17
Q

May be used to hang the top drive

A

Drilling Hook

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18
Q

connected to the travelling block.

A

Elevators

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19
Q

A set of clamps used when running or pulling the drillstring or casing into or out of the hole

A

Elevators

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20
Q

a heavy-duty wire rope made out of six strands of improved plow steel

A

Drilling Line

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21
Q

Part of the drilling line reeled to the drawworks

A

Fastline

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22
Q

travels with greater velocity than any other portion of the line

A

Fastline

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23
Q

that part of the drilling line between the crown block and the deadline anchor

A

Deadline

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24
Q

remains stationary as the travelling block is hoisted

A

Deadline

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25
Q

remains stationary as the travelling block is hoisted

A

Deadline anchor

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26
Q

(1) the travelling block is lowered to the drillfloor; (2) the dead line anchor is unclamped, and (3) some of the reserve line is threaded through the sheaves on the travelling block and crown block onto the drawworks drum

A

Slip operation-

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27
Q

done if the drawworks drum is full; (1) the travelling block is lowered to the drillfloor; (2) the dead line anchor is unclamped, and (3) the line on the drawworks is unwound and discarded before the reserve line is threaded through the system onto the drawworks drum

A

Slip and cut operation

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28
Q

located at the start of the circulating system near the mud pumps where drlling fluid is initially prepared, and maintained depending on well bore conditions

A

Preparation Area

29
Q

specialized equipment for moving the drilling fluid from the preparation area down the borehole and back to the active mud pit

A

Circulating Equipment

30
Q

Station dedicated for decontaminating and conditioning drilling fluids brought out of the well bore

A

Conditioning Area

31
Q

A large tank holding DF on the rig or at a mud-mixing plant

A

Mud Pit/ Mud Tank

32
Q

used at mixing plants and on some drilling rigs to improve mixing efficiency and reduce dead spots that allow settling

A

Mud Pit/ Mud Tank

32
Q

A mud-flow device for funneling materials are put into the circulating mud system

A

Mud Hopper

33
Q

Powered by acentrifugal pumpthat moves the mud at highvelocitythrough a venturi nozzle (jet) below the conical-shaped hopper

A

Mud Hopper

34
Q

Somewhat cleans mud by letting it pass slowly and allowing solids to settle

A

Settling Tank

34
Q

a drilling mud filled open steel or earthen berm tank that is not stirred or circulated

A

Settling Tank

35
Q

A small pit, typically located immediately after the shaker screens, which is used as a settling pit to separate coarser solids that accidentally bypass the shakers

A

Sand Trap

36
Q

Mud enters the pit at one side and exits via an overflow at the other

A

Sand Trap

36
Q

Used for mixing special chemicals like caustic soda (sodium hydroxide) before it is placed in the active mud tank

A

Chemical Tank

37
Q

They are dumped periodically to remove the settled solids, or alternatively the contents can be processed over a fine screen or with a centrifuge.

A

Sand Trap

38
Q

Small compartment, normally adjacent to the suction compartment, used to mix special fluids to pump downhole

A

Slug Tank

39
Q

Most commonly used to prepare a small volume of weighted drilling fluid before a drillstem trip in and out of the borehole.

A

Slug Tank

40
Q

used (reciprocating pistons) to deliver the high volumes and high pressures required to circulate mud through the drillstring and up the annulus

A

Mud Pumps

41
Q

double acting

A

Duplex (2 cylinders)

42
Q

single acting

A

Triplex (3 cylinders)

43
Q

discharge on either the forward or return stroke of the piston or plunger; every cycle of the pump displaces only one volume of liquid.

A

Single-acting pumps

44
Q

liquid is discharged on both the forward and return stroke of the piston.

A

double-acting pumps

45
Q

are only single-acting;piston pumpscan be either single- or double-acting.

A

Plunger pumps

46
Q

are generally used in offshore rigs

A

Triplex pumps

47
Q

on land rigs

A

duplex pumps

48
Q

A positive-displacementreciprocating pumpthat is configured with three plungers;

A

Triplex Pumps

48
Q

Capable of handling a wide range of fluid types, including corrosive fluids, abrasive fluids andslurriescontaining relatively large particulates.

A

Triplex Pumps

49
Q

Commonly used on workover rigs, that has two plungers or pistons;

A

Duplex Pumps

49
Q

The most common configuration of pump used in both drilling and well service operations;

A

Triplex Pumps

50
Q

As a positive-reciprocating pump, the fluid flow rate is typically calculated from the number of strokes per minute that the pump makes and the displacement volume per stroke;

A

Duplex Pumps

51
Q

Such a level of accuracy usually is sufficient for general workover purposes

A

Duplex Pumps

52
Q

Line connecting the pump to a series of tubulars and equipment to feed drilling fluids into the wellbore.

A

Discharge Line

53
Q

high-pressureflexible line used to connect the standpipe to the swivel;

A

Rotary Hose

54
Q

An inclined, gravity-flow conduit to direct mud coming out the top of the wellbore to the mud surface-treating equipment;

A

Mud Return Line

55
Q

The large-diameter metal pipe that connects the bell nipple under the rotary table to the possum belly at the mud tanks

A

Mud Return Line

56
Q

The primary and probably most important device on the rig for removing drilled solids from the mud;

A

Shale Shaker

57
Q

Comprises a vibrating sieve that filters mud from the flowline

A

Shale Shaker

58
Q

Solids smaller than the wire mesh pass through the screen

A

Shale Shaker

59
Q

Larger solids are retained on the screen and eventually fall off the back of the device and are discarded.

A

Shale Shaker

60
Q

A hydrocyclone device that removes large drill solids from the whole mud system

A

Desander

61
Q

Located downstream of the shale shakers and degassers, but before the desilters or mud cleaners

A

Desander

62
Q

A hydrocyclone much like a desander except that its design incorporates a greater number of smaller cones

A

Desilter

63
Q

Located downstream from the desander in the surface mud system

A

Desilter

64
Q

A device that removes air or gases (methane, H2S, CO2, and others) from drilling liquids;

A

Degasser

GEO BANG (11 decks)

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