What is test plug in drilling?
What is test plug in drilling?
The test plug is used to run the pressure test on the preventors (BOP). It is installed by using a length of drilling pipe, and it seals over the wellhead in the housing area of the hanger. It has a passage that allows direct pressurizing.
What is the casing spool?
1. n. [Well Completions] A wellhead component used in flanged wellhead assemblies to secure the upper end of a casing string. Casing spools or bowls are available in a wide range of sizes and pressure ratings and are selected to suit the specific conditions.
How do you pressure test a BOP?
When you pressure test the BOP system, you must conduct a low-pressure test and a high-pressure test for each BOP component (excluding test rams and non-sealing shear rams). You must begin each test by conducting the low-pressure test then transition to the high-pressure test.
What is a function test on the bops?
Function test BOP: Every week, personnel must perform function test BOP alternating between remote panels. Prior to supping the well or the first time that BOP is installed on the well. 2. After repairing or disconnecting of any pressure sealing elements of BOP.
What does a blowout preventer do?
A blowout preventer, or BOP, is a large specialised unit weighing up to 400 tonnes that is used to prevent an oil spill from occurring. It works like a valve to close an oil well, similar to a plumber closing a valve in a pipe, and are proven to be highly effective in ensuring well safety.
How do you seal a cleanout plug?
Clean-out plugs usually can be sealed with plumber’s tape, or pipe thread tape, (commonly known as “Teflon tape,” although there’s no such product of that name) or with pipe dope, or pipe joint compound.
What does test plug do?
What is the purpose of Test Plugs? Testing plugs are used to stop pipes and to carry out low pressure testing on many types of pipes, and often this testing is mandatory. In order to meet building regulations any new construction, whether residential or commercial, may require a drain pressure test.
How does a casing hanger work?
The subassembly of a wellhead that supports the casing string when it is run into the wellbore. The casing hanger provides a means of ensuring that the string is correctly located and generally incorporates a sealing device or system to isolate the casing annulus from upper wellhead components.
What is surface casing?
1. n. [Drilling] A large-diameter, relatively low-pressure pipe string set in shallow yet competent formations for several reasons. First, the surface casing protects fresh-water aquifers onshore.
What is a BOP stump test?
BOP TEST STUMP – BOP TEST STAND Blow Out Preventer (BOP) test stumps are often used for manufacturers to test their BOP or drillers testing operations at off-shore and on-shore drilling rig. A BOP test stump may have base plate, side and bottom ports, and fixed or removable Test mandrel retaining threads.
How is a blowout preventer installed?
Land and subsea BOPs are secured to the top of the wellbore, known as the wellhead. BOPs on offshore rigs are mounted below the rig deck. Subsea BOPs are connected to the offshore rig above by a drilling riser that provides a continuous pathway for the drill string and fluids emanating from the wellbore.
What are the requirements for pressure testing of casing?
§ 250.1609 Pressure testing of casing. (a) Prior to drilling the plug after cementing, all casing strings, except the drive or structural casing, shall be pressure tested. The conductor casing shall be tested to at least 200 psi. All casing strings below the conductor casing shall be tested to 500 psi or 0.22 psi/ft, whichever is greater.
When do you need to test the casing strings?
All casing strings below the conductor casing shall be tested to 500 psi or 0.22 psi/ft, whichever is greater. (When oil or gas is not present in the cap rock, the production liner need not be cemented in place; thus, it would not be subject to pressure testing.) If the pressure declines more…
When do you test the casing of a wellhead?
A record shall be kept of the volumes required to obtain the test pressure, and of the volumes returned when bleeding off. The casing shall be pressure tested directly after bumping of the top plug when the cement slurry has been displaced and while the cement is still soft.
What are the requirements for plugging a well?
The plug must pass one of the following tests to verify plug integrity: (2) A pump pressure of at least 1,000 pounds per square inch. Ensure that the pressure does not drop more than 10 percent in 15 minutes. The District Manager may require you to tests other plug (s).
What is test plug in drilling? The test plug is used to run the pressure test on the preventors (BOP). It is installed by using a length of drilling pipe, and it seals over the wellhead in the housing area of the hanger. It has a passage that allows direct pressurizing. What is the casing…