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5. Compose collocations from the following words.

1. drawworks

A. block

2. auxiliary

B. line

3. crown

C. rope

4. drilling

D. drum

5. makeup

E. load

7. heavy

F. brake

8. wire

G. cathead

  1. Fill in the gaps with the most suitable words or terms from the text.

1. Once the last line has been strung over the sheaves, the end of the line goes down to the drawworks drum, where it is firmly .

2. The extra sheave is needed for the deadline.

3. The brake is mounted on the end of the .

4. A typical hoisting system is made up of the drawworks, a mast or derrick, the crown block, , and the wire rope drilling line.

5. You can lift an object on the rig floor wrapping the rope around a .

6. For heavier loads, twelve or more could be strung.

7. The main brake is used for and the drawworks drum.

7. Match the words in the left column with the definitions in the right one.

1. drawworks

A. wedge-shaped pieces of metal with teeth or other gripping elements that are used to prevent pipe from slipping down into the hole.

2. sheave

B. a wire rope used to support the drilling tools

3. spool

C. an assembly of sheaves mounted on beams at the top of the derrick or mast and over which the drilling line is reeved.

4. fastline

D. it is essentially a large winch that spools off or takes in the drilling line and thus raises or lowers the bit.

5.cathead

E. a cylinder around which wire rope is wound in the drawworks.

6. drilling line

F. the end of the drilling line that is affixed to the drum or reel of the drawworks.

7. brake

G. grooved pulley.

8. crown block

H. a device for arresting the motion of a mechanism, usually by means of friction.

9. drum

I. a spool-shaped attachment on the end of the catshaft, around which rope for hoisting and moving heavy equipment on or near the rig floor is wound.

10. bit

J. the drawworks drum.

8. Fill in the chart with the functions of the hoisting system components.

Component

Composition

Function

Drawworks

Crown block

Drilling line

Cathead

9. Lab. Assignment:”Hoisting Equipment”. Terms and Vocabulary

die

плашка, оправка

drill collar

воротник бура, утяжелённая штанга; утяжелённая бурильная труба, удлинитель

drill stem

бурильная колонна; бурильная штанга (при роторном бурении); ударная штанга

drill string

бурильная колонна

gooseneck

S-образное колено трубы

kelly bushing

вкладыш под ведущую бурильную трубу

master bushing

постоянная втулка

slips

клин, шлипс

tool joint

saver sub

threaded

stab (v)

mate (v)

drive shaft

бурильный замок

переводник с перенарезаемой резьбой в бурильной колонне

с резьбой

заводить конец верхней трубы в муфту нижней

соединять

приводной вал

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