What is a cast iron bridge plug?

The Cast Iron Bridge Plug is among the most dependable and well known isolation plugs on the market. It is used for zonal isolation, well abandonment, casing pressure tests, and stimulation, and can be set via electric wireline using a wireline setting tool, or on tubing/coiled tubing using a hydraulic setting tool.

What is a bridge plug?

Bridge Plugs are downhole tools composed of slips, mandrel and an elastomer sealing element. It is run in hole and set in casing to isolate a lower zone from an upper zone. It may be installed to permanently seal a well or installed temporarily to preform work on the well.

Why we use bridge plug?

A downhole tool that is located and set to isolate the lower part of the wellbore. Bridge plugs may be permanent or retrievable, enabling the lower wellbore to be permanently sealed from production or temporarily isolated from a treatment conducted on an upper zone.

What is a cement plug?

1. n. [Drilling] A rubber plug used to separate the cement slurry from other fluids, reducing contamination and maintaining predictable slurry performance.

What is a cement retainer?

The Composite Cement Retainer is a nonmetallic high-quality tool used primarily for cement squeezes. It has multiple uses, including primary and remedial cementing, well control, and temporary abandonment, thereby eliminating storage requirements if separate tools were required for each operation.

How much does it cost to plug an oil well?

For an average well, DEP’s well plugging costs are about $33,000.

How many cement plugs are typically set in the well?

plug to cover all porous zones is difficult, two or more cement plugs shall be placed. The lower most cement plug shall extend 30 meters below the bottom most porous zone and the upper most plug shall extend 30 meters above the upper most porous zone.

What is a cement squeeze job?

A cement squeeze involves injecting cement slurry, under pressure, into a specific portion of the well through voids in the formation, casing, liner, or cement plug. Cement squeezes are commonly performed to repair a flawed primary cement job, reduce losses in a fractured formation, or repair leaking casing.

What is a balanced cement plug?

Balanced cement plug is the method to set cement plug by applying concept of balanced hydrostatic. Generally speaking, when we say “balance”, it means that hydrostatic pressure at the end of the drilling string is the same as hydrostatic pressure in the annulus (see the figure below).

Do I need a bridging plug?

You still want to arrange some paper towels or other absorbent material to cover these sensitive items when filling/leak testing. The reason the paperclip/bridging plug is necessary in the first place is because the PSU won’t power on without a signal back from a connected motherboard.

What can a cast iron bridge plug be used for?

Blackhawk’s Cast Iron Bridge Plug is among the most dependable and well known isolation plugs on the market. It is used for zonal isolation, well abandonment, casing pressure tests, and stimulation, and can be set via electric wireline using a wireline setting tool, or on tubing/coiled tubing using a hydraulic setting tool.

What are drillable bridge plugs for gas wells?

The Model NC-1™ drillable bridge plug is a modified top-venting version of the N-1 bridge plug. It is primarily for use in gas wells. The plug allows the upper portion of the body and the bridging plug to be drilled out, permitting pressure equalization across the tool before drilling out the upper slips.

How do you set a hydrawr bridge plug?

HydraWR Bridge Plug is deployed on wireline and set via the Wireline Adapter Kit attached to the Pressure Setting Assembly. It can alternately be lowered on Tubing and set via the Hydraulic Setting Tool connected to the Wireline Adapter Kit.

What kind of bridge plugs do Baker Hughes use?

The Model HMN bridge plug eliminates the expense of electric wireline equipment and rental charges required on other high-performance bridge plugs. The Model TV-10™ drillable bridge plug is an ideal wellbore plugging device for temporary or permanent well abandonment.