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BOP Inspection and Testing


Quiz Questions

1.BLOWOUT is an uncontrolled flow of well fluids and/or formation fluids from a well bore to the surface or into lower-pressured subsurface zones (underground blowout).
True
False
2. BLOWOUT PREVENTER (BOP) is a valve attached to the casinghead of a well, allowing the well to be sealed at the surface and confining well fluids to the well bore.
True
False
3.BLOWOUT PREVENTION EQUIPMENT (BOPE) is the entire array of equipment installed at a well to control kicks and prevent blowouts. Consists of preventers, an actuating system, a choke and kill system, and auxiliary equipment.
True
False
4.FORMATION FRACTURE GRADIENT is the pressure per unit of true vertical depth that could be expected to fracture a formation at a particular point in the well bore. (Expressed in psi/ft.)
True
False
5.If BOPE inspection and/or testing is required on the division’s Permit to Conduct Well Operations (Form OG 111), inspections must be made by a division representative accompanied by the operator’s and/or contractor’s representative.

The division inspector must verify that all of the requirements for casing, BOPE, hole-fluid monitoring equipment, and pressure rating are satisfied.
True
False
6.In most cases, BOPE tests are conducted prior to drilling below the casing shoe or kick-off point (KOP). In situations where the casing is open to the formation, a sealing device (either cement or mechanical) must be placed as close as practical to the shoe or KOP (whichever is higher) so that the casing’s mechanical integrity can be determined. The anchor casing string, to which the BOP stack is attached, is an integral part of the BOPE and must be tested, either separately or in conjunction with the BOP stack.
True
False
7.When we are pressure testing blowout prevention equipment, all components of the BOP stack, kill- and choke-line valves, workingstring safety valve, internal preventer, kelly cock(s), and standpipe valve must be tested in the direction of blowout flow. Clean water should be used as the test fluid, especially in critical areas.
True
False
8.When selecting a suitable test pressure for the BOPE and anchor casing string, two factors need to be considered: the Maximum Predicted Casing Pressure (MPCP) for the well, and the Minimum Internal Yield Pressure (MIYP) of the anchor casing string. When testing casing in conjunction with the BOPE, the maximum pressure applied to the shoe of the anchor string (or KOP) must not exceed 125 percent of the MPCP or 80 percent of the MIYP, whichever is lower.
True
False
9.The following is the procedure for testing of :

The Kill-line Control Valve (Figure 27-4d)

  1. Close the kill line control valve.
  2. Rebuild the test pressure through the drill pipe, checking the pressure on the pump pressure gauge, the choke-manifold pressure gauge, and/ or the standpipe pressure gauge.
  3. Close the standpipe valve.
  4. Bleed the pressure at the pump.
  5. Open the kill-line high-pressure access valve. If the system does not include this valve, it will be necessary to dismantle the check valve to check the kill-line master valve and the kill-line control valve in the direction of blowout flow.
  6. If there is pressure loss, check the opening at the kill-line high-pressure access valve or look into the check valve to see if the kill line control valve is leaking.
True
False
10.The following is the procedure for testing of:

Subsea Preventer Actuation Testing. In addition to the pressure testing just outlined, each of the preventers in the subsea stack must be actuated according to the following schedule:

  1. Each of the pipe-ram preventers must be tested for actuation before pulling drill pipe out of the hole on each trip, or at least once each 24 hours.
  2. The annular preventers need not be actuated during this pretrip function testing as long as they are being operated during the required weekly pressure tests or at an interval not greater than once each seven days.
  3. Periodic actuation-testing is not required for the blind or blind-shear rams. These rams need only be tested when installed and prior to drilling out after each casing string has been set.
True
False