FS Training (Casing hardware, squeeze jobs)

Question 1

Reasons for placing stage collar inside previous casing

Answer 1

• To avoid jetting effect on the formation

- If stage collar fails, at least OH zone will be cemented

Question 2

What is a liner

Answer 2

Any string of casing whose top is located below the surface.

Question 3

What is a tie back

Answer 3

Liner used to cover corroded or damaged zone.

Question 4

Select the correct plugs used on liner cement jobs

Answer 4

Drill pipe dart & wiper plug

Question 5

Give the main reason for running tail pipe below a squeeze packer

Answer 5

To avoid cement around the packer

To ensure good placement of slurry across the zone to be squeezed

Question 6

Squeeze cementing is defined as the process of forcing a cement slurry under pressure

Answer 6

True

Question 7

What are four reasons you may want to perform a squeeze

Answer 7

• Fix a damaged casing
• Abandon a depleted zone
• Seal off gas zones
• Correct a primary cement job

Question 8

What is the min compressive strength recommended for drilling

Answer 8

500psi

Question 9

When performing HP calc for squeeze job the reference point should be

Answer 9

depth of the top perf

Question 10

In a low pressure sq you do not want to frac the formation the min recommended safety

Answer 10

500psi

Question 11

Max squeeze volume reached when

Answer 11

The top of cement is at least 1 barrel above top perf, depending on the well configuration.

Question 12

Main disadvantage of bradenhead head squeeze

Answer 12

Casing and well head are exposed to treating pressure