Chapter 6 Vocabulary Drilling

Question 1

making a hole by reciprocating a heavy, chisel-shaped bit suspended on a hemp or steel line.

Answer 1

Spudding

Question 2

In use today, avoids oil and gas from blowing out by keeping the hole full of heavy mud that holds back reservoir fluids

Answer 2

Rotary Drilling System

Question 3

the only useful work done by a drilling rig takes place at

Answer 3

the bottom of the hole where the bit drills the rock

Question 4

everything on a rig simply support the

Answer 4

bit (it operates in extremely dirty and hot environments and subject to enormous pressure.)

Question 5

Most commonly used bits has three roller cones

Answer 5

Tricone roller bits

Question 6

Uses very hard polycrystalline diamond wafers on the face of protruding bronze bases. drill with shearing action, effective on soft formations.

Answer 6

PDC bits

Question 7

Bits that have no moving parts

Answer 7

Drag bits

Question 8

a tube of steel pipe extending from the surface down to the bit. 1. transmits rotational energy from surface to the bit 2. conduct the mud stream from the surface to the bit. 3. put weight on the bit to maximize penetration rate.

Answer 8

Drill String

Question 9

This is made up of 30-foot joints of steel pipe screwed together

Answer 9

Drill string

Question 10

specialize couplings , have coarse, tapered threads designed to withstand repeated break-outs and make-ups.

Answer 10

Tool joints

Question 11

break-outs

Answer 11

unscrewing

Question 12

make-ups

Answer 12

screwing together

Question 13

Three different pipe configurations

Answer 13

1. Drill pipe 2. Drill Collars 3. kelly

Question 14

makes up the bulk of the string. The tool joint is larger in diameter (upset) than is the shank of the joint

Answer 14

Drill Pipe

Question 15

Thick walled joints of drill pipe used to put weight on the bit. The tool joints are the same diameter (not upset) as the shanks of collars.

Answer 15

Drill Collars

Question 16

the topmost joint of drillpipe in the drillstring. It has flattened sides (four-six) used to transfer torque from the rotary system.

Answer 16

kelly

Question 17

heaviest work on a drilling rig is performed by_____ as it runs the drillstring in and out of the hole.

Answer 17

Hoisting system

Question 18

components of the Hoisting system

Answer 18

1. derrick
2. drilling line
3. drawworks
4. crown block
5. drilling hook

Question 19

tall enough to pull triples ( a three-joint “stand” of drillpipe) and strong enough to bear the weight of the entire drillstring.

Answer 19

derrick

Question 20

steel wire rope

Answer 20

drilling line

Question 21

a large rotating drum that spools in drilling line to raise the load or spools out line to lower the load.

Answer 21

drawworks

Question 22

mounted in the top of the derrick and the traveling block connected by the drilling line

Answer 22

crown block

Question 23

attached to the traveling block and supports the load

Answer 23

drilling hook

Question 24

Rotating systems used to rotate the drillbit

Answer 24

1. conventional rotating system
2. power swivel
3. down-hole mud motor

Question 25

the rotary table spins the kelly bushing, whose flat-sided hole matches the flat sides of the kelly. this rotates the drillstring and bit.

Answer 25

conventional rotating system

Question 26

relatively new. uses hydraulic motor integrated into the swivel to transmit rotary power. this replaces the kelly, kelly bushing and rotary table.

Answer 26

power swivel

Question 27

used for directional drilling. it turns the bit without rotation of the drillstring.

Answer 27

down-hole mud motor

Question 28

drilling fluids

Answer 28

mud

Question 29

most common used mud

Answer 29

saltwater with additives

Question 30

mud engineers

Answer 30

monitor the mud's characteristics

Question 31

pipe handling

Answer 31

1. elevators 2. Slips 3. Tongs 4. fingerboard 5. rathole 6. mousehole

Question 32

attached to the hook are used to lift the pipe string

Answer 32

elevators

Question 33

used to hang the string from the rig floor

Answer 33

slips

Question 34

used to make-up and break-up the pipe joints

Answer 34

tongs

Question 35

in the derrick has protruding fingers that hold stacked stands on pipe in place.

Answer 35

fingerboard

Question 36

a hole in the rig floor where the kelly and swivel are stored when not in use

Answer 36

rathole

Question 37

a hole in the rig floor where a joint of pipe is place prior to being added to the string

Answer 37

mousehole

Question 38

The source of power for the entire rig.

Answer 38

prime mover

Question 39

most of the rig's time is occupied by _______ also called "turning to the right" or "making the hole"

Answer 39

Drilling Ahead

Question 40

1. Drilling ahead 2. Making a connection 3. Round tripping 4. Automated rigs

Answer 40

Routine Drilling Procedures

Question 41

attaching a new joint

Answer 41

making a connection

Question 42

When you come out of the hole with the drillstring to change the bit, add drill collars, etc.

Answer 42

Round tripping

Question 43

Rigs using robots

Answer 43

automated rigs

Question 44

prevents hole from collapsing

Answer 44

surface casing

Question 45

normally a few hundred feet deep. Large diameter casing is run to the bottom, cement slurry pumped down and up the "backside" annular space between the casing and the hole

Answer 45

surface casing

Question 46

A safety valve at the top of the hole just underneath the rig floor. when activated it closes and seals off the well.

Answer 46

Blow out Preventer (BOP)

Question 47

the most common cause of stuck pipe.

Answer 47

differential sticking

Question 48

Mounted directly above the bit, powered by the drilling mud. used for directional drilling

Answer 48

down-hole mud motor

Question 49

drill pipe failures

Answer 49

twist-offs

Question 50

to fish pipe out of the hole

Answer 50

fishing operations

Question 51

Jackknife rigs | Helicopter rigs

Answer 51

Land rigs

Question 52

used to drill most land wells. Rig is broken down and moved by truck.

Answer 52

Jackknife rigs

Question 53

In remote areas where there is no road, this is needed to sling-lift them onto location

Answer 53

Helicopter rigs

Question 54

``` Barge mounted rigs Jackup rigs tender-supported rigs semi-submersible rigs Drill ships Permanent platform rigs ```

Answer 54

Offshore rigs