Other Products / Services #4607790

Landing nipples are run into the well on the completion tubing to provide a specific landing location for subsurface flow control equipment. The common internal profiles of these Landing Nipples make them universal. WC-LNP-X Landing Nipple is used in standard weight tubing while WCLNP- R Landing Nipple is typically used with heavy weight tubing.

Technical details :

• The completion can have as many selective nipples with IDs in desired sequence on the tubing string. This requires number of positions of Landing Nipples for setting and locking subsurface flow controls. The flow controls required to be placed inside the well is attached to the required lock mandrel and run into the well via the selective running tool on slick line/wireline.
• The slick-line operator using the selective running tool can set the flow control in the selective landing nipple at the desired depth. Once location is found to be unsatisfactory or well conditions gets changed, the flow control equipment could be moved up or down the tubing string to another landing nipple location. These operations can be done by wireline/slick-line under pressure without killing the well.
• Bottom No-Go equipments are designed for use in single nipple installations or as the bottom nipple in a series of selective or Top No- Go landing nipples. These landing nipples have the same packing bore ID for a particular tubing size and weight. Here N designates Bottom No-Go.

Features / Benefits :

• Large Bore for minimum restriction
• Universal nipple with one internal profile
• Retractable locking Keys
• Locks designed to hold pressure from above or below from sudden reversals
• Optional hold down
• Interference hold-down for smaller locks
• Shear pin hold-down for larger locks

Features / Benefits :

• ID of the Swivel is equal to or larger than API drift diameter.
• Premium Box and Pin connections.
• Can be run in any casing/hole larger than the Swivel OD.
• Incorporates axial (compression and tension) and radial slide bearings.

Application : The liner Swivel Sub is normally used when running mechanical set liners in highly deviated wells in which rotating to set the liner may be a problem. The swivel allows rotation of the hanger without rotating the total liner. A clutch system in the swivel (feature may be detected if required) allows easy release of running nut from the liner, if the liner has to be set on bottom.

Snap Set Compression Packer with & without hold down are retrievableset down packers featuring a bypass area through the packer and anintegral unloaded. They are used as an upper packer in a single stringtwo packer installation, for zone isolation, injection or production.Packers are used above either retainer production packers or retrievablepackers.

Benefits :

• Proven multiple packing element system.
• Operation of the packer is simple. No tubing rotation is required.
• A collate-type snap-latch prevents the packer from setting before
• landing the seal assembly or before setting a lower retrievable
• packer. Lower portion of the tool is rotationally locked to deliver
• torque in either direction through the packer.

Applications :

• Onshore-Offshore work over.
• Production completion.
• High Pressure Water Injection.
• Casing integrity Testing & treating operations

The Tie-Back Receptacle provides a high integrity honed se al bore above a liner Hanger which permits landing, sealing and extending additional liner to a point further up the hole, or the surface.

Hydraulic Running Tool is used to run and set the liner hanger with or without Liner Top Packer. The Running Tool is made with Setting Sleeve & assembly is run on drill string to the bottom. The Hydraulic Release Drilldown Liner Setting Tool connects to the Liner Setting Sleeve profile provides a means to carry a liner down hole, set a liner hanger and release from the liner prior to or, if desired, after cementing. The primary releasing mechanism is hydraulic with an emergency mechanical back-up release system. This tool carries the weight of the liner on a fully supported Collets assembly with no threads that could back off and drop the liner while running in the hole. High torque ratings of the Hydraulic release Running Tool system allow aggressive rotation if required to work a liner to bottom.

The “WC-R” Pulling Tool is a wireline service tool designed to remove retrievable subsurface devices with external fishing necks from a well. This tool utilizes a set of three dogs to engage the fishing neck. The “WC-R” Pulling Tool is available in a wide range of sizes, with three reaches in each sizes. All tools can be supplied for standard or H2S service.

‘A’ shank is used with the ‘C1’ running tool to run lock mandrels into the well (keeping dogs retracted during running in). It can also be used as a probe carrier when probes are required during running in operations.

The ‘X Line’ Selective Running Tool is designed to install subsurface control equipments using a type WC-LM-X Locking Mandrel. The selective features of the WC-X Line Running Tool allow the operator to install the down-hole device in a pre-determined WC-LNP-X Landing Nipple by adjusting the tool into the selective position. If the subsurface control is to be installed in the upper most landing nipple, the locking mandrel may be run with the keys in the control or location position. In addition to setting the WC-LM-X Locking Mandrel, the Running Tool may be used to locate WC-LNP-X Landing Nipples. The ‘R Line’ Selective Running Tool, similar in design, is also available in a wide range of sizes to install Type WC-LM-R Locking Mandrels in heavy weight tubing.

The Snap Latch Setting Tool is a mechanical setting tool used to set the Bridge Plugs and Cement Retainers. It possess a built-in snap-latch feature which allows the setting tool to be latched to the product with set-down weight and released with up strain and rotation after setting the product. 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.

‘N1’ shank is used in conjunction with the ‘C1’ running tool to run and land flow control equipments such as lock mandrels, blanking plugs, etc into landing nipples.

Features/Benefits :

• Wireline, hydraulic, or coiled tubing set
• Caged bi-directional carbide slips are for long life and durability
• Equalizing valve opens before plug is released
• Straight pull and Rotational safety release mechanism
• Over shot will wash to gage ring for easy retrieval
• Optional sand line or coiled tubing retrieval
• Swab resistant packing element hold pressure from above and below
• Compact design for tight doglegs, short lubricators
• Simple, rig-friendly operation

Application :

• Acidizing, fracturing and cementing
• Casing pressure testing
• Wellhead repair or replacement
• Zone isolation

The ‘S’ Pulling Tool is a wireline service tool designed to remove retrievable subsurface devices with external fishing necks from a well. This tool utilizes a set of three dogs to engage the fishing neck.

This Pulling Tool is available in a wide range of sizes, with three reaches in each size. All tools can be supplied for standard or H2S service. By changing only the core of the ‘S’ Pulling Tool, it is possible to obtain ‘SB’, ‘SS’ or ‘SJ’ types Pulling Tools.

The “WC-S” Pulling Tool is designed to be released from the down-hole device by downward jarring. Therefore the “WC-S” Pulling Tool is particularly suited for use as a pulling tool when extensive jarring is required.

Because of the downward shear release of the “WC-S” Pulling Tool, it is particularly useful as a running tool for collar stops, pack-off anchor stops, and other subsurface devices landed against a positive no-go.

The Liner Tieback 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 threepiece 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.

WELLCARE Separation Sleeve, when attached to an appropriate lock is a wire-line retrievable tool, used to isolate the control line port of Safety Valve Landing Nipples.

Features/Benefits : The Model WC-SSB Snap Latch Stinger Sub is used with Model WCWMCR Wireline Set Cement Retainers. It features a snap-in, snap-outtype latch that provides a surface indication of the stinger being landed in the cement retainer (giving assurance that the sleeve valve is open) or the stinger sub being removed from the cement retainer (and the sleeve valve closed).

Application : The Model WC-CU Control Unit is made up above the stinger sub and provides a centering device for entering the retainer bore.

These are wireline operated combination tool of Lock mandrel, Equalizing prong and Equalizing sub, set in respective landing nipple of corresponding size and type, in the flow path to plug the tubing, used as flow control devices. Plugs are utilized for holding pressure differentials from above or below when set at relevant profile of Landing Nipples.

Features/Benefits :

• Maximum versatility reducing completion and production maintenance costs.
• Allows for repositioning of flow controls as well conditions change.
• Keys of locking mandrel retracted into assembly while running and retrieving.
• Running tool allows selection of nipple to land and set the lock.
• Maximum flow capacity from large, straight-through bore of locking mandrel.
• Nipples installed in tubing string in any order- reducing workover risk Provides unlimited number of positions to set.
• Same ID in all nipples reducing flowing pressure loss and minimizing turbulence.

Applications :

• Selected zones can be produced or shut in.
• To pressure test tubing.
• To isolate tubing for wellhead repair or removal
• To set hydraulic actuated packers.
• To snub tubing in or out of the well.

The equalizing check valve choke is a top No-Go wire-line retrievable tool which controls upward flow and prevents downward flow. It is landed and set in the F Type landing Nipple. An integral, erosion resistant, ceramic orifice is sized to control the upward flow as desired, while downward flow is checked with a ball and seat device. Pressure can be equalized across the valve by breaking the equalizing plug.

This is a mechanical set double grip retrievable production packer for medium to high Pressure applications. The Packer allows unrestricted flow and passage of full gauge wire line tools and accessories with an unrestricted ID, making it ideal for zone isolation injection and production applications. It can be set with production tubing in tension, compression or neutral maximizing effectiveness in shallow wells or fiberglass tubing operation. The packer’s mechanical lock-set action closes an internal bypass and allows application of pressure above or below the packer. The packer is released by a ¼ right-hand turn at the tool, followed by straight pickup of the production tubing. Optional emergency release feature is also available on request.

Benefits :

• Pressure differential rating up to 6, 000 Psi.
• 10, 000 Psi., Differential rating packer is also available.
• Allows tubing to be left in tension, compression or neutral.
• Internal By-Pass allows packer to equalize prior to releasing.
• Temperature rating : Up to 300° F.
• An ideal production packer.
• Withstands pressure differentials from above and below.
• Ideal packer for Production, Stimulation & Injection purposes.
• Tubing can be recovered leaving packer downhole by using an On-
• Off tool.

Applications :

• Onshore-Offshore work over.
• Production completion.
• High Pressure Water Injection.
• Casing integrity Testing & treating operations

For India and Iran Only

The 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.

Wellcare Drive Subs provide the crossover connection between the drill pipe string and the wash-over string. Each is machined from high-grade alloy steel and heat treated to provide maximum strength and durability. Drive subs are provided with a box connection up, cut to customer specifications, for make-up with the fishing string. A pin connection down is also cut to customer specification and will match the wash-over string connections. A fishing neck is provided for ease of handling. A long type drive sub with extra long fishing neck is also available.

seal units are used to add additional seal stacks to locator tubing seal.assemblies and tubing seal nipples. Number could be chosen toaccommodate expected tubing movement

Latching type packer plug is used for the same purpose and in the sameway as the locator type but will hold pressure in both directions. It is runin the same way but is retrieved by holding a slight up strain and turningto the right 15 turns after engaging with a conventional overshot.

The Non-Perforated Production Tube is made-up at the bottom of theproduction string. Its basic purpose is to act as a stinger (or extension)to keep the packer flapper valve open when producing or when workingbelow the packer.

The Perforated Spacer Tube is used at the end of a tubing string toprovide an alternate flow path in cases where wire line measuringdevices are used.The Perforated Spacer Tube is made of low grade material and itsassembly consists of a perforated nipple with standard tubing thread, acrossover coupling up, and a cross over sub down.Perforated Spacer Tube are available with special box thread up and pinthread down, upon request.

As per design appearance, Positive bow centralizer is designed withpositive steel channel bow which provides positive casing stand off.Positive centralizers are of three types hinged non weld , hinge welded, slip on welded. WELLCARE positive bow centralizers are uniquelydesigned with flat bottom U profile with different depths permittingmaximum fluid passage. The flat U profile is fitted in self lockingretaining lips for firm and positive hold.These centralizers significantly reduce frictional drag while being used indeviated holes. They provide almost 100% standoff when run insidea cased hole. They are supplied 4-8mm less than the inside diameterof the casing or hole size in which the centralizer is to be run.The non weld design eliminates brittle spots, enhancing durability.WELLCARE positive centralizers are available in a size range of 4 to 20.

Thread Lock Compound is a thread compound formulated for locking of casing threads. This compound is used for locking float equipment and casing joints on the bottom of the casing to prevent unscrewing of the threads during drill-out operations. The two part compound provides superior strength and works in adverse temperature conditions.

WELLCARE manufactures spiral blade solid spiralizers. These are made of one piece high grade corrosion resistant cast iron, aluminum alloy and non sparking metal-zinc alloy. They are high impact and shock resistant, possess high tensile and yield strengths and are wellhead friendly. They provide maximum casing or wellbore standoff, the prime requisite of an excellent primary cement job. This is irrespective of lateral loads.The straight blades are self cleaning in nature and designed to enhance flow. They endure steep temperatures in the wellbore, friction factor is minimum, with reduced drag and torque, ensuring maximum fluid passage.Spiralizers provide the almost wall contact and fluid swirl. They give optimum flow area in highly deviated and horizontal wells. The casing effectively reaches TD due to the sloping rare ends reducing drag. The slope also ensures that no balling between the vanes takes place, as scraping, gouging or digging into the formation is eliminated. WELLCARE Spiralizers are developed in response to the need for better cementing in highly deviated and horizontal wells. These are designed to provide optimum flow area. The 360 degrees over lapping solid vane provide maximum wall contact and fluid swirl. Reduced flow area between the spiral blades produces a vortex motion of the fluids for more fluid velocity with direction. These are made of high strength corrosion resistant cast aluminum and also non-sparking zinc alloy. The 30 deg. slope of the vane end reduce drag and aids the casing in reaching TD. This gentle flow from the body to the height of the vane will eliminate scraping, gouging or digging into the formation and consequently reduce balling between the vanes. They also posses high impact and shock resistance combined with tensile and yield strength as well as resists corrosion.

Locator type packer plug is used to convert a model WC-WSSDP & WCWLSDP retainer production packer that has been previously set, into a temporary bridge plug. It permits the performance of pressuring operation above the packer without affecting the zones below. It is attached with shear screws to a shear sub which is made up on the bottom of the work string or a retrievable squeeze tool. Set-down weight shears the screws and leaves the plug in the packer. It is retrieved with a conventional overshot.

The On/Off Overshot designed to disconnect and connect the tubing string form a production packer that does not require tension or compression to maintain a pack-off. The profile stingers run with the overshot are available in all variety of profiles types and sizes with different end connections and materials as per customers requirement.

Features/Benefits:

• Proven bonded seal system
• Built for strength and durability
• Variety of profile nipples
• Available in special metallurgy
• Available shear pinned up or down position
• Available in spring loaded design

Applications:

• Treating
• Fracturing
• Testing
• Production Completions etc.

Hydro Trip Pressure Sub is installed in the tubing string underneath a hydraulically actuated tool such as hydraulic packer to provide a means to apply required tubing pressure to activate the tool. To set a hydrostatic packer, drop a ball to run through the tubing and packer up to the seat of Hydro-Trip Pressure Sub. And further pressure is applied to set the packer. Afterwards pressure increased to shear screws to allow the ball seat to move down until the fingers snap back into a groove. Subsequently the ball passes down the tubing through the full opening.

Anchor Seal Nipple is an anchoring and sealing device that connects the retrievable tubing string to the upper bore of the Retainer Production Packers. The latch component of the seal nipple provides positive

engagement with the packer. The seal unit maintains the pressure integrity of the connection. The additional no go shoulder is designed to provide a positive set down shoulder at the top of the packer and secondly to prevent excessive intrusion of debris into the latch to packer body inter-face.

Features / Benefits:

• The anchor seal nipple is available with Chevron seal unit as standard with 4140 Material.
• V-Ryte and A-Ryte seal units with 13% Cr material are optional.
• The WC-ALA anchor latch Seal assembly has a no-go OD which sets down on the top of the packer, rather than at the shoulder at the bottom of the upper seal bore.
• Adequate space is provided for handling purposes on the anchor body.
• Redress of the seal unit may be accomplished quickly and easily.

NOTE: Feasible distinct sizes of all above accessories could be provided with specific grades of material and end connections; standard or premium thread, as per the customer's requirement.

Snap Latch Seal Assembly latches into the packer upon set down (like our Anchor Latch Seal Assembly). It can be removed with straight pull of 10, 000 to 12, 000 lbs. above tubing weight. The Snap Latch Seal Assembly is used where a mechanical indication is required to verify the seal assembly is properly positioned in the packer bore.

The Crossovers are used as connector between casing, tubing, tools or accessories of the strings and hook ups while carrying out drilling, completion or other operations in the well. Furnished in various grades of materials with required end connection combinations and different lengths to meet our customers as well as API standard requirements.

Seal Bore Extension runs below a drillable or retrievable seal bore packers. Seal Bore Extension is run to provide additional sealing bore when a long Seal Bore Assembly is run to accommodate considerable

tubing movement. The Seal Bore Extension has the same ID as the corresponding Packer seal bore it is run with. Thus all seals of a long Seal Assembly seat off in the Seal Bore Extension. If the top set of seal

normally sealing in the Packer bore should get damaged, the Seal Bore Extension still provide a sealing surface for the lower seat.

For India and Iran Only

Liner tieback top dress and polishing mills are run prior to tying back into the tieback seal receptacle with a seal nipple or seal nipple packer ssembly. The purpose of running the mills is to ensure the liner top has not been damaged since installation, and to remove any scale or other foreign material from the polished seal bore. For seal nipple packer applications, the mills are run in with a casing craper to ensure a properly prepared area for the packer to set and seal in. Both mills are provided with drill-pipe connections and are sized for pecific lengths by the use of a spacer nipple. Detailed procedures for dressing and polishing are available.

The bottom sub of LTSA is provided with double-start helical groove and two Guide Pins. Half Mule Shoe as shown in the accompanying illustration. The double start helix provides for uniform self orienting action of the Half Mule Shoe to permit easy entry in the Packer bore.

Top Cementing Plug and Bottom Cementing Plug are designed to replace conventional cementing plug systems. By replacing the aluminum and rubber core material in conventional plugs with a large crushableplastic core most of the rubber is eliminated, allowing the drill bit to fracture the plastic rather than tear the rubber and aluminum thus significantly reducing drill out times. These plugs are PDC drillable.

Baffle Plate is used for landing cementing plugs and is designed to be installed in the centre of a casing coupling. These units are available in both aluminium and plastic materials, and come in threaded and flushoutside diameter configurations. Baffle Plates are available in sizes 4 12" / 114.3mm through 13 38" / 339.7mm.

Ball Catcher Subprovides a means of catching the ball and sheared out ball seat from a hydro trip pressure subs or pump out plugs. It has multiple sets of large diameter holes those allow fluid passage without restriction.

Features/Benefits

Large bypass area in the catcher sub is made withmultiple sets of large diameter holes. These holes are sized to catch the ball and seat, but allow fluid to pass through the tool without plugging.

Auto Fill Pump Out Plug is used as a tubing plugging device against which pressure is being applied in order to set Hydraulic Set Packers. This is made up with the tail pipe below the Packer to be set. With the ball seating down, it acts as a reverse check valve preventing flow down the string, while allowing the string to fill from below.

Without dropping a ball to seat, the tubing can be pressured up. Once the Packer is set, tubing pressure is increased to values shown in the chart below to shear the screws holding the ball seat. The ball seat and the ball with spring etc. are blown out of the sub to the bottom of the well. Tubing below the plug should have sufficient ID clearance to permit passage of the ball, ball seat, spring etc. To set a packer number of screws installed in the pump out plug must be compatible with the concerned/rated precise requirement.

Pump Out Plug with Half Mule is used as a tubing plugging device against which pressure is being applied in order to set Hydraulic Set Packers. This is made up with the tail pipe below the Packer to be set.A ball is dropped to run through the tubing and packer up to the ball seat, subsequently the tubing is pressured up. Once the Packer is set, tubing pressure is increased to values shown in the chart below to shear the screws holding the ball seat. The ball and ball seat are blown out of the sub to the bottom of the well.Tubing below the plug should have sufficient ID clearance to permit passage of the ball, ball seat, spring etc. To set a packer number of screws installed in the pump out plug must be compatible with the concerned/rated precise requirement.

Pump Out Plug Without Mule is used as tubing plugging device simultaneously allows hanging more tubing string down the line as per requirement.

Shear-out Plug provides a means of temporarily plugging the bottom of a tubing string to prevent fluid flow up the tubing while tripping in the hole and against which pressure is being applied in order to set

hydraulic packers.

Half Mule Shoe Guide is standard with the seal assembly to allow for easy entry into the packer bore.

Mill-Out Extension is used in installations where floating seals are required due to tubing contractions. In addition, this packer accessory provides a larger ID between a packer bore and a seal bore extension

allowing a packer to be milled out.

Mill-Out Bottom is used to connect a mill-out extension to a packer.

Knock-Out Plug Bottom runs below the packer to recess the knock-out plug so as to convert a packer as a bridge plug holding pressure from above and below.

Concentric Bottom is used to connect seal bore extensions to a packer.

Wireline Re-Entry Bottom is used as the packer bottom when an extension below a packer is not required.

NOTE: Feasible distinct sizes of all the above accessories could be provided with specific grades of material and end connections; standard or premium thread, as per the customer's requirement.