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ROTARY DRILLING SYSTEM EXAM QUESTIONS WITH CORRECT ANSWERS.

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Exam (elaborations)

ROTARY DRILLING SYSTEM EXAM QUESTIONS WITH CORRECT ANSWERS.

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18 pages

2025/2026

Institution NGWA - General Drilling

Course NGWA - General Drilling

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ROTARY DRILLING SYSTEM EXAM QUESTIONS WITH CORRECT ANSWERS.

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ROTARY /

DRILLING
/ /

SY STEM
/ /

EXAM
/ /

QUESTIONS
/ /

W ITH CORRECT ANSW ERS
/ // // //

hosting /

system - CORRECT ANSWERS(S)✅✅the set of equipment
/ // // // // // //

necessary
// /

for
/ /

handling
/ /

any material inside the well(drill string and the casing);
/ // // // // // // // //

hosting /

system -
/ // /

CORRECT
/ /

ANSWERS(S)✅✅consists
/ /

of
/ //

a /

structural
/ /

part
/ /

(derrick/mast
/ /

and
/ /

,/ substructure), /

/ the /

/ complex /

/ of/

/ the /

/ crown /

/ and /

/ travelling /

/ block, the drawworks (hoist) and the drilling line;
// // // // // // //

substructure - // /

CORRECT ANSWERS(S)✅✅supporting base for derrick
/ // // // //

rotating /

system -
/ // /

CORRECT
/ /

ANSWERS(S)✅✅allow
/ /

the
/ /

rotation
/ /

of
/ /

the drill string, and it consists of the rotary table, the kelly
/ // // // // // // // // // // //

and the swivel;
// // //

top /

drive -
/ // /

CORRECT
/ /

ANSWERS(S)✅✅groups
/ /

, / together /

/ the functions of the above three items of equipment.
// // // // // // // //

circulation /

system -
/ // /

CORRECT
/ /

ANSWERS(S)✅✅consists
/ /

of
/ /

mud
/ /

pumps,
/ /

distribution
/ /

lines, and the mud cleaning and accumulation system;
/ // // // // // // //

circulation /

system -
/ // /

CORRECT
/ /

ANSWERS(S)✅✅the closed hydraulic circuit which allows
/ // // // // //

the
// /

mud
/ /

to
/ /

flow from the surface to the bottom of the hole, inside the
/ // // // // // // // // // // //

drill
// /

string,
/ /

and
/ /

subsequently
/ /

back to the surface, in the drillstring borehole annulus;
/ // // // // // // // //

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Uploaded on: February 2, 2026
Number of pages: 18
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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