Liner Hanger Accessories

MACKERAL’s Liner Top Packer is a high performance packer that suited for most applications set by applying set-down weight by the setting dogs of the packer setting tool through the setting collar or Tie Back receptacle. The packer provides an effective annular seal between the top of the liner and the casing, preventing formation breakdown, loss of cement slurry and gas migration above the liner top during cement curing. This packer features hold down slips, making it suitable for use in deviated or horizontal wells. The packer have integral setting collar to rotate the Liner Hanger during running in and cementing.
Features / Benefits:
• High performance compression set liner top packer
• Provides effective annular seal at the liner top
• Prevents formation breakdown, loss of cement slurry and gas migration
• Integral body lock ring holds a positive set in the seal elements
• Tieback receptacles are honed for tie- back seals
• Hold down slips prevent light liners from moving
Applications:
• Isolate the liner top after the hanger is set and cementing operations are     completed
• Isolate of formation pressure below the liner-top from the casing ID above
• Isolate of treating pressures below the liner-top during fracture or acid work
• Isolation of formation fluids while the cement sets, helping to stop gas migration
• Isolation of lost-circulation zones
• The only isolation above the production zone in uncemented liners
• The liner-top packer can also be used as a tie-back completion or production     packer.

MACKERAL’s Hydraulic Landing Collar is used with hydraulic set Liner Hangers to build pressure in the work string for setting of the Hanger hydraulically. The Liner Landing Collar has a latch profile for locking of the Liner Wiper Plug. The latch profile provides anti-rotational lock to the Liner Wiper Plug which enables fast drill-out.
The ball seat in the Hydraulic Landing Collar is shear pinned to the latch bushing. When a ball lands on the seat, pressure rises to set the hanger hydraulically. Additional pressure is then applied to shear the ball seat to establish circulation through the Landing Collar. The ball seat has a slotted bottom which enables circulation through the shoe without any restriction after landing on the shoe.
Features:
•Used as a plugging device below the Liner Hanger
•Anti-rotational profile locks the LWP into the HLC providing a positive seal in
both directions.
•The anti-rotational profile locks the LWP rotationally to prevent rotation of the
plug during drill out.
•Pressure ratings can be adjusted as per the requirement by removing or adding easily accessible shear screws.

MACKERAL’s Mechanical Landing Collar is used with mechanical set liner hangers to land the liner wiper plug and drill pipe wiper plug after cementing. The landing collar has a latch profile for locking of the liner wiper plug. The latch profile provides an anti- rotational lock to the liner wiper plug which enables fast drill-out.
Features:
•Used as a landing device for the plugs
•All internal parts are easily PDC drillable.
•The anti-rotational profile locks the LWP
•Rotationally to prevent rotation of the Plug during drill out.

MACKERAL’s Liner wiper plug means to clean the liner casing after cementing operations. Its upper inner latch is to accept the external latch of Drill Pipe wiper plug while lower outer latch component is there to get latched with the landing collar at down the string. When latched together, these plugs provide isolation between the liner cement and displacement fluid. When landed and latched into the appropriate landing collar, they provide a redundant back pressure valve to the floats in the shoe, landing collar and float collar. The integral molded design of the wiper fins provides a positive seal for activation of any hydraulic components. With distinguished diameters of fins are designed for specific purpose such as one will be wiping off inside of the liner while other fin will be holding the up or back pressure. These plugs are made up of elastomeric material as per rated or required applications. A robust anti rotation nose latch and clutch profile prevents rotation of these plugs during drill out operations. Available in a tandem plug configuration, the wiper system allows for wiping of the work string and liner casing in advance of the cementing operation.
Features / Benefits:
• Positive anti-rotation clutch profile & latch assembly.
• Easy and fast drill out.
• Standard HNBR molded seals and wiper fins.
• Available with multi plug configuration to suit any tapered drill pipe/work string.

MACKERAL’s Drill Pipe Wiper Plug is designed to wipe clean the work string after cementing operations; the drill pipe wiper plug is designed to latch and seal into the liner wiper plug. When latched together, the plugs provide isolation between the liner cement and displacement fluid. When landed and latched into the appropriate landing collar, they provide a redundant back pressure valve to the floats in the shoe, landing collar and float collar. The cup style design of the wiper fins provides a positive seal for activation of any hydraulic components and does not rely on an interference type seal like other plug systems. The wipers and molded seals are standard HNBR material. A robust anti rotation nose latch and clutch profile prevents rotation of the plugs during drill out operations. Available in a tandem plug configuration, the wiper system allows for wiping of the work string and liner casing in advance of the cementing operation.
Features:
• Positive anti-rotation clutch profile
• Robust anti-rotation latch assembly
• Standard HNBR molded seals and wiper fins.
• Available with multi plug configuration to suit any tapered drill pipe/work
string.

MACKERAL’s  liner  hanger  junk  screen  should  be  run  as  part  of  the  setting  tool assembly to prevent debris from damaging the polished bore of Tieback Receptacle.

MI 5211 RETRIEVABLE
CEMENTING PACK OFF BUSHING

MACKERAL’s Retrievable cementing pack off bush is used to eliminate the drilling time required for drillable pack off bushing and also provide smooth ID after retrieval. RPOB is dressed with V-rings of high performance rubber in the I.D and O-Rings at the O.D. The V-ring seal unit is suitable to seal off the O.D of the polished Slick Joint. It is run with a Slick Joint provided with lifting sub to retrieve the Pack-off Bushing.
Features:
•Locking dog provides positive lock.
•Available for all liner sizes to seal inside the I.D.
•Collapsible lock allows easy retrieving.
•Suitable to run with swab cup assembly for setting hangers hydraulically when slotted liners are to be hung

MI 5161 TOP SET PACKER RUNNING TOOL

Top Set Packer Setting Tool used along with the liner setting tool. “TST” is Provided with slots on the body for circulation purposes. It is used when running liner equipment with liner top pack-offs. After setting the Liner hanger and releasing the running tool, the string is picked up to release the setting dogs. Setting weight back down on the string will activate and lock the pack-off in the set position.

MI 5122 LINER TIEBACK SEAL PACKER

MACKERAL’s Liner Tieback Seal Packer is a liner top packer that is most frequently run on drill pipe using a mechanical setting tool and a tie back receptacle liner setting sleeve with tieback extension. The packer is run to the top of an existing liner tieback extension, and the seal stem is inserted until seated and pressure tested down the drill pipe. Additional set-down weight shears the release pins and sets the packer seal. The setting tool is released with right hand rotation. The tieback stem on the Tieback Packer has three sets of glass-filled Teflon Chevron seals for severe pressure and temperature applications. It features ratchet lock in the setting shoulder to prevent premature setting while running in. Maximum seal integrity is assured by a three- piece rubber sealing element contained by metal back-up rings. Hold down slips and an internal body-lock ring maintains seal compression and prevents floating of short liners. The Tieback Packer can be released by cutting the inside mandrel in the designated area. Tieback receptacles are available with this packer in different lengths e.g.: 6 ft, 10 ft, 15 ft, 20 ft etc as per requirements or demand from customers. Available in rotating or non-rotating configuration with retrievable or no cementing bushing profile running and setting, this assembly may be configured with conventional mechanical right hand release running tool, rotating mechanical running tool or hydraulic release running tool.
The packer is furnished with higher group of API 5CT standard materials as well as with the end connection in compliance to API standards or any premium threads as per the customer’s requirement/demand. CRA materials suited for H2S or CO2 service are available on request.
Features / Benefits:
• Liner top packer run on drill pipe after the liner is cemented.
• Used to prevent micro-annular gas leak at liner top.
• 3-Piece seal element provides high pressure/temperature.
• Integral body lock ring holds a positive set in the seal elements.
• Ratchet lock feature prevents premature set while running in the hole.
• Glass filled Teflon Chevron seals provide high temperature/pressure tie-back capabilities.

MI 5136 HANDLING NIPPLE

MACKERAL’s Handling  Nipple  provides  an interface  between  the  Liner Hanger  assembly  and  the  Drill Pipe.  The  Handling  Nipple  is provided  in  the  same  grade  of material as that of the Drill Pipe.

MI 5146 SEAL JOINT

The Seal Joint is used in combination with the Retrievable Pack off bushing and provides a seal between the liner and setting tool during cementing operations. The slick joint stinger is stabbed into the bushing inner V-Ring Seal Pack off assembly and the bushing OD is sealed and located in the pack off busing profile within the setting collar or the liner top packer to provide high integrity seal. This method significantly reduces the upward hydraulic  force  on  the  drill  pipe  during  cementing operations. After  the cement job the slick joint and the retrievable pack off bushing are pulled out of the liner top with no drill out required. Slick Joint provides the Mandrel with ground O.D. to provide a sealing surface for the Pack-off Bushing. Groove is provided at the bottom end to attach the Liner Wiper Plug