Blowout and Rig fire in Pittsburg County, Oklahoma - Quiz

Quiz Question

1. Well 1H-9, the incident well, was a horizontal well with a planned true vertical depth (TVD) of 7,615 feet and a total measured depth (MD) of ____________?
16,799 feet
17,799 feet
2. According to Table 1, how much is the cumulative volume under calculated volume column for line 5?
Blowout and Rig fire in Pittsburg County, Oklahoma 1
18.5 barrels
18.4 barrels
3. The full form of MPD
Managed pressure drilling
Managed power drilling
4.

All workers who were in the driller’s cabin (dog house) or ran into the driller’s cabin during the blowout and fire were killed. Those workers included:

  1. Company Man
  2. Plumber
  3. Driller
  4. Floorhand (Second)
  5. Janitor
1,3 and 4
All of the above
5.

For 2H-16, the CSB identified 9 events where a flow check was required by Patterson (section 6.10.1)
True
False
6. Based on mud program selection, if the mud is too heavy, it might fracture the formation and leak out of the wellbore, a condition called "lost returns."
True
False
7. ___________________ is an adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore.
Managed pressure drilling
underbalanced operations
8. According Table 3, ventilation system is cited as an example under which barrier type?
Blowout and Rig fire in Pittsburg County, Oklahoma 2
Active Hardware
Continuous Hardware
9. What does TVD stands for?
True Vertical Depth
Target Vertical Depth
10. According to figure 10, how many areasidentified where gas entered the wellbore while drilling?
Blowout and Rig fire in Pittsburg County, Oklahoma 3
3
10
11. Which is the correct formula used in weighted pill calculations?
Pill Height = PillVolume / AnnularVolume
Pill Height = AnnularVolume / PillVolume
12. The full form of OSHA.
Occupational Safety and Health Association
Occupational Safety and Health Administration
13.

Today, there is a large body of guidance and recommendations on the design of alarm systems for hazardous operations. Widely-used sources relevant to the oil and gas industry in general are:

  1. ANSI/ISA-18.2
  2. EEMUA 191
  3. API RP 1167
  4. Norwegian Petroleum Directorate YA-711
  5. IEC 62682
Only 1 & 2
All of the above
14. This Pryor blowout and rig fire occurred at which county?
Pittsburg
Cypress
15. According to incident analysis section, alarm system was not deactivated.
True
False