DOWNHOLE EQUIPMENT : Bridge Plug & Cement Retainer
SNAP LATCH & MECHANICAL SETTING TOOL
Snap latch tool is a mechanical setting tool used for setting Bridge Plugs and Cement Retainers. One of the most common downhole equipment, it comprises a snap latch mechanism for setting the tool. By putting the weight on it, it latches in product for setting. This essentially allows the setting tool to function as a snap latch stinger sub which provides an upward stop as the tubing is raised. At this stop the valve is closed but the stinger sub seal is still in the bore of the retainer. At this position in the running string internal pressure test could be carried out. For releasing the tool, up strain and rotate it.
FEATURES
- One trip system. Mechanically sets tool with rotation and Up strain and functions as a stinger for subsequent cementing operations
- Safe run in. Upper slip is securely locked in place and latch is solidly threaded into the body of the retainer.
- Snap latch feature latches into the retainer with set down weight and is released with tension.
- Controls retainer valve. The stinger opens the sleeve valve with set down weight and closes it with up strain.
- Tubing pressure test is possible with latch sleeve valve retainers by pulling up to close retainer valve prior to snapping out of retainer.
RETRIEVABLE BRIDGE PLUG
Retrievable Bridge Plug is designed to perform all tasks normally required of a tubing run packer-type bridge plug and can be quickly converted to run and set on wireline. The Plug can be run and set on wireline in a way that allows the tool to be re-set with tubing in a different location before removing it from the well. It is designed to be rugged and compact (the 4-1/2″ size is only 63inches long). When run on tubing, the plug can be set deep or shallow because the packing element system can be energized with compression or tension. This bridge plug will withstand high differential pressures from above or below, while its internal bypass valve is easily opened to equalize fully prior to release. Activated slips are always on the low-pressure side with the plug design to ensure that a tight pack-off is maintained. When run on tubing, a circulation passage through the tool reduces the need for swabbing by allowing fluid to bypass internally. When set, another passage allows effective washing of sand and debris above the elements and ensures easy release and retrieval. Standard equipment on the Retrievable Bridge Plug includes tungsten carbide-tipped slips and drag blocks, which are long-lasting and allow for easy setting in the hardest casings. Spring-Loaded Overshot is used to run(tubing set) and retrieve (tubing or wireline set) the Bridge Plug. Sealer ball catcher assemblies are also available for mechanical and wireline settings.
WIRELINE & MECHANICAL SET BRIDGE PLUG
These plugs are run and set on Tubing or Drill Pipe. It also incorporates the seal element lock to allow faster, safer run-in. Its materials are also subject to the same stringent specifications and quality control procedures and hence provide improved easy drill feature and are suitable for higher pressure ratings. It can easily be converted to a Cement Retainer. Its Simple design allows the upper portion of the body and the bridging plug to be drilled out,generating pressure equalization across the tool before drilling out the upper slips. Changing the upper slip enable the bridge plug to be set mechanically or on a wire line setting tool assembly. It is easily converted to a cement retainer.
FEATURES
- Choice In Setting – Wireline and mechanical Remove burrs from perforations.
- High Performance – 10,000 psi and 400 deg.F in most.
- Superior Running Characteristics – Increased clearance and locked construction for faster, safer run-in with packing element locked against swab-off forces.
- Body Lock Ring – Traps setting force in element to maintain pack-off during pressure reversals.
- Adaptable – Bridge Plug consist of a basic unit which can easily be converted to mechanical or wireline set or cement retainer.
Hydraulic Setting Tool
Hydraulic Setting Tools translate hydraulic pressure applied to the tubing to a force transmitted through the wireline adapter kit to the seal bore packer, plug, or cement retainer to fully set the slips and pack-off the rubber element. Hydraulic setting tool and wireline adapter kit are assembled to a packer bridge plug, or cement retainer that is commonly set with a wireline deployed pressure setting tool. Use of Hydraulic setting tool is particularly well suited for installation of packer, plug or retainer in highly deviated or horizontal well bores where wireline operation are impractical.
FEATURES
- Application where wireline setting tool are not recommended.
- Tubing is drained after setting packer or plug.
- Tandem application possible Auto-fill and tubing-drained features able to be deactivated.
- Push and pull of assembly is possible for this downhole equipment.
Application:
As the piston moves downwards, the cross link, which connect the lower piston rod and cross like sleeve, forces the cross link sleeve downward. While the setting mandrel which is attached to the lower end of the packer body by means of adapter kit remains stationary, the cross link sleeve forces the adapter sleeve of the adapter kit and upper end of the packer body, downward. In this manner a squeeze action is applies to the packer, forcing the slips and the packing elements to set and pack off. Approximately 800 psi pressure is required to set the upper slips.
CEMENT RETAINERS
We offer high performance drill-able cement retainers ideal for most remedial cementing applications. These are designed to function as a drillable squeeze packer which, after cementing, acts as a plug trapping squeeze pressure on the cement below the retainer and isolating the newly cemented area from the hydrostatic pressures above the cement retainer. For information on our packers and more downhole equipment please visit this link.
FEATURES
- Choice In Setting – wireline, mechanical or hydraulic.
- High Performance – 10,000 psi and 400oF in most sizes (see specification guide).
- Superior Running Characteristic – Increased clearance for faster, safer run-in with the packing element locked against swab-off forces.
- Locked Construction – Locked-in
- Upper Slips (mechanical set), Upper Cone, Packing Element, Lower Cone and Lower Slips.
- Adaptable – Cement Retainers consist of a basic unit which can easily be converted to a bridge plug. All models may be converted to wireline or mechanical set.
Hydro-Mech Bridge Plug
Hydro-Mechanical bridge plug is hydraulically actuated and mechanically set. Compact with small OD this tool can withstand high pressure and is designed for easily drill out. It can be used in zone isolation for squeeze cementing, fracturing, and plug and abandonment either temporary or permanent. Blaze offers downhole equipment of the highest quality.
FEATURES
- The setting mechanism and control are contained in the bridge plug eliminating the need for a complex mechanical setting tool.
- Eliminates the expense of wire line setting tool and equipment.
- Full tubing bore is available for unobstructed passage of fluids and wire line run perforating and logging equipment after the plug is set and tubing released.
- Can be run and set in tandem with retrievable production packers or squeeze packers.
- Top equalizing during drill-out without the plug coming up the hole due to pressures contained below the plug.
- Set securely in most casing, including many premium grades.