Mid Term

Question 1

what is needed to be considered when it comes to well planing?

Answer 1

1) HSE
2) Well Integrity
3) Time = money

Question 2

Who raises the need to drill a well?

Answer 2

Geologist

Question 3

Name 4 consideration when preparing the directional plan

Answer 3

1) Torque and drag
2) Boundaries
3) Dog leg severity
4) Anticollison
5) Formation

Question 4

Name considerations for well planing?

Answer 4

1) AFE
2) Apply for licence
3) Drilling bit
4) Casing
5) Name of Drilling Company

Question 5

It is legal to drill 15 m beyond the termination formation to accomodate logging tools w/out mineral rights for the deeper formation: T or F

Answer 5

True

Question 6

List 5 parts/ sections of a drilling program

Answer 6

1) Mud Properties
2) Drilling operation (WOB, ROP, etc)
3) Casing (set depth, size)
4) Time and procedure (schedule)
5) Location, Name, Name of company

Question 7

Name 3 advantages of top drive

Answer 7

1) Takes less time than kelly (One stand 3 joints)
2) Safer than kelly
3) Backreaming

Question 8

Responsibilities of a safety officer: (10)

Answer 8

1) Provide necessary safety equipment such as safety boots, helmet, safety
glasses, etc. to visitors
2) Brief a visitors
3) Ensure safery briefing to the cruew before starting the tour
4) Check equipments and alarms
5) Attend all drills and monitor response of crew
6) Check the conditions of lifting equipments and anchors
7) Prepare a job safery analysis (JSA) before job starts
8) Ensure rig site is clean and tidy
9) Test fire pumps and hoses daily
10) Report near misses

Question 9

List 5 pieces of safety equipment on a rig and their function:

Answer 9

Equipment Purpose

1) Personal H2S detectors -to detect h2s gas in a certain zone
2) Fire extinguisher - to escape the fire
3) Smoke detectors - to detect smoke
4) First aid kid - to help a person who have injury
5) Geronimo - evacuation line for derrickhand

Question 10

What are 3 examples of the legal impact to an operating company in the event of a blowout and oil spill?

Answer 10

1) their license can be cancelled
2) they will pay compensation to people, who suffer from that
3) Inspection and document, HSE control from goverment will take place. May go to jail

Question 11

Put in order positions: (they are 6)

Answer 11

1) Toolpusher
2) Driller
3) Derrickhand
4) Motorman
5) Roughneck
6) LeaseHand

Question 12

What are the 3 highest priorities( in order) when planning a well?

Answer 12

1) HSE
2) Well integrity
3) Time = money

Question 13

What are 3 responsiblities of the drilling engineer?

Answer 13

1) Prepare drilling program
2) Designs the well
3) Improves performance

Question 14

List 4 types of training personnel on drilling righs should have:

Answer 14

1) H2S training
2) Fire drills
3) First aid training
4) Evacuation drills

Question 15

What 2 items can be found in an emergency responsible plan(ERP) ?

Answer 15

1) Steps what actions to take

2) Telephone numbers (Firefighter, ambulance etc)

Question 16

BOP when PIPE -> TOP and blind -> bottom?

Answer 16

Advantages:
PI - we able to circulate and kill the well
PO - we can change all above blind rams
Disadvantages:
PI - cannot replace equipment below pipe rams
PO - cannot circulate

Question 17

BOP when PIPE -> BOTTOM and blind -> top?

Answer 17

Advantages:
PI - can change all equipment above pipe ram
PO - pump and fluid up down (circulate)
Disadvantages:
PI - not able to circulate
PO - not able to change and maintain

Question 18

Define Hard shut in and advantages

Answer 18

1) HCR is closed

2) BOP is closed

Question 19

Adv and disadvantages of HARD shut in

Answer 19

Adv: minimize influx (kick size)
Disadva: water hammer effect

Question 20

Define Soft Shut In

Answer 20

1) Choke valve is open
2) BOP is closed
3) then slowly close choke valve

Question 21

Adv and disadvantages of SOFT shut in

Answer 21

Adv: control to not exced macp
less pressure pulse
Disadv: let the bigger kick volume

Question 22

HCR stands for

Answer 22

High Closing Ratio

Question 23

When doing site survey name 2 considerations:

Answer 23

1) location

2) environment

Question 24

Name 2 consideration when preparing the directional plan?

Answer 24

Torque and drag

Casing set depth ???

Question 25

List 2 requirements an operator needs to submit in a well license application:

Answer 25

1) Technical considerations

2) Environmental considerations

Question 26

List 5 parts/ sections of a driling program:

Answer 26

1) BHA (drill string, bits etc)
2) Casing details
3) Cement details
4) Mud properties
5) General information

Question 27

2 reasons why drilling contractor is better

Answer 27

1) Experienced employee

2) For OPCO it is temporary work so there is no need to hire employee, buy equipment.

Question 28

Describe how an incompent surface soil may cause safery concerns for a rig operation:

Answer 28

Incompent formation may cause of wash out and BOP and surface equipment can sink, even drilling rig can

Question 29

Name 3 examples where computer software can help optimize well design:

Answer 29

1) For drilling report (Open Wells)
2) Selecting of casing depth (Casing Seat)
3) For BHA analysis, torque and drag studies , surge and swab press. calculation, well control and stuck pipe analysis, and critical rotary speed calc( Well Plan)