WellRx provides completion options with a broad range of products to meet every application, from the most basic to the extreme. Fully integrated and engineered, these products add up to an infinitely configurable, highly practical system for completion optimization.
Our quality assurance program meets API standards and ISO/9000 requirements to ensure superior inspection methods, materials, testing, and product design.
Production performance starts with an exceptional completion – from the reservoir to the production facility. Whether it’s a conventional well or the most complex subsea multilateral, WellRx makes it our business to understand your completion challenge. Drawing from the industry’s broadest portfolio of proven products and innovative technologies, you will get the specific infrastructure and well integrity solution you need to produce safely and efficiently for the life of your asset.
Whether it is a standard packer from our extensive product line or a unique specialized design for a hostile environment, WellRx has a wide range of production packers. We continue to develop new and innovative products to meet the present and future challenges of our industry.
The WellRx Portfolio
WellRx offers an extensive array of completion tubular accessories to customize the well completions and mitigate risk for the life of the well. Our products resolve issues related to tubing movement, scale buildup, corrosion, erosion, selective production, zonal isolation, intelligent completions, and more.
The WellRx Portfolio
WellRx Flow Control systems include a wide range of long-established, industry standard flow control equipment, including sliding sleeves, nipples, lock mandrels, plugs, standing valves and every flow control accessory. Where the traditional components for the system fall short of current performance criteria, for example lock mandrels with hinged trailing dogs, WellRx provides modern, fully engineered, retrofit equipment to suit the downhole nipple profile in question. Where a particular flow control item proves to provide superior performance, WellRx has engineered that solution for use across the whole range of industry standard profiles, ensuring the best performance from the available technology. Standard Flow Controls are the appropriate choice for conventional, economical, flow control requirements.
The WellRx Portfolio
Intelligent Completions allow for more efficient production of oil and gas by combining real-time monitoring with remote flow control capabilities. Data acquired during production permits the customer to alter the flow characteristics of the well without intervention.
To meet the needs of demanding intelligent well applications, WellRx has developed high performance “MATI” Series Intelligent Completion Packers with instrumentation and control line feedthroughs.
WellRx “PLUTA” Series ESP Completion Packers
The WellRx “PLUTA” series is a dual-string, hydraulic-set, double-grip retrievable, ESP production packer. The PLUTA is an ideal submersible pump packer, and is also available with additional bores for ESP cable, chemical-injection lines, control lines, and well-monitoring devices.
The PLUTA has a sure release sequential upper-slip releasing system that is designed to release each slip individually to reduce the pull required to release the packer. The angles on the slips, cone, and upper-slip body results in release forces that allow the penetration of the slips to be released smoothly from the casing.
WellRx “AVAYO” Series Dual/Multistring Packer
The WellRx “AVAYO” Series is a dual-string, hydraulic-set, double-grip retrievable production packer. The WellRx AVAYO Series is a dual-string hydraulic set packer is an ideal solution where production can be demanding from both strings, and is also available with additional bores for ESP cable, chemical-injection lines, control lines, and well-monitoring devices. The WellRx AVAYO Series has a sure release sequential upper-slip releasing system that is designed to release each slip individually to reduce the pull required to release the packer. The angles on the slips, cone, and upper-slip body results in release forces that allow the penetration of the slips to be released smoothly from the casing.
WellRx “PARAM” Series HPHT Packers
The WellRx “PARAM” Series HPHT Packers come in two variations: Retrievable (PARAM-R) and Permanent (PARAM-P).
PARAM-R HPHT Packer combine the pressure and temperature ratings and reliability of a permanent packer with the convenience of a retrievable packer. It is designed using unique design features that result in a retrievable packer suitable for high differential pressure and high temperature applications. The Slip design offers near 360° casing contact which reduces slip-to casing stress and minimizes internal casing damage. Once this packer is run and set, it is released by cutting the mandrel. When the mandrel is properly and completely cut, the packer will release and all of the packer components along with the tailpipe can be retrieved from the well.
WellRx “TAAP” Series Thermal Packers
The WellRx “TAAP” Series Thermal Packers is a reliable, high-pressure retrievable packer designed for high-temperature injection and production wells in thermal operations. The packers has been designed with rotationally locked components that facilitate milling operations when normal retrieval is impossible. The array system (high-pressure thermal packing element) provides a superior seal that enables the packer to packoff easily and resist swabbing. Packer is fitted with premium packing and sealing elements that are tailored to withstand elevated temperatures, up to 650°F (~343°C).
WellRx “DRAV” Series Hydraulic Packers (Tubing Mounted)
The WellRx “DRAV” Series Hydraulic Set Packers (Tubing Mounted) range from Low-to-Medium-to-High-Pressure Applications. Drav Series Packers are compact, economical and the short body length makes it ideal for tight radius deviations and horizontal applications. Options are available in Single Grip and Double Grip systems. These Packers have no mandrel movement for setting, thus allowing stacked completions. Straight Pull releases the packer and bypass ports equalize pressure across the packer for ease in retrieval. The shear-release mechanism is isolated from the packer hydraulics to allow low release forces.
Drav series packers are also available in Shift to Release and Cut to Release options to cater to various well applications.
WellRx “NIBID” Series Sealbore Packers
The WellRx “NIBID” Series Packers are highly versatile and reliable sealbore packer used for production or injection applications. The NIBID Packer is set on wireline or tubing with hydraulic setting tool. Rotationally locked components ease milling when retrieval is not possible. Packing Element system is designed for high pressure and resists swab-off.
WellRx “STHA” Series Permanent Packers
The WellRx “STHA” Series Permanent Sealbore Packer is a robust, high-performance permanent packer designed for high differential pressure in single or multi-zone applications in straight to highly deviated wellbores. NIBID Packers and associated accessories provide, consistent performance in a broad range of operating conditions. Tubing Mounted Packer, Larger Upper Bore and other options available as well.
WellRx “YAN” Series Mechanical Packers
The WellRx “YAN” Series Mechanical Packers come in various combinations of features: setting, releasing, application, grip. YAN series packers are retrievable, single/double grip, compression or tension set packers that can be left in tension, compression, or in a neutral position, and will hold pressure from above or below. A large internal bypass reduces the swabbing effect during run-in and retrieval, and closes when the packer is set. When the packer is released, the bypass opens first, allowing the pressure to equalize before the upper slips are released. Upper-slip releasing system that reduces the force required to release the packer. A non-directional slip is released first, making it easier to release the other slips.
WellRx “AVIS” Series Open Hole Hydraulic Packers
The WellRx “AVIS” Series Openhole Hydraulic Packer provides mechanical isolation where high-pressure differentials are required across the packer element. The AVIS packer’s conventional compression set element sets with the application of differential pressure in excess of the anti-preset shear value. A large ID is maintained through the packer for increased flow potential. It is ideal for use as a tandem isolation packer between ports in a multi-stage hydraulic fracturing completion.
WellRx “PHA” Series Swell Packers
The WellRx “PHA” Series annulus swellable packers provide a one-trip, self-setting isolation system designed to activate and seal through the natural contact of in-situ wellbore fluids. Suitable for cased-hole and openhole well environments. PHA Swell Packers are easily deployed by integrating them into tubing or casing strings or through conventional well-service operations such as coiled tubing and slickline. A wide range of configurations is available to suit specific size and well-performance requirements. PHA Swell Packers come in both options: Slip-on/Modular Type (PHA-SO) and Integral/Bonded (PHA-B) Type.
WellRx “ALID” Series Polished Bore Receptacles
The WellRx “ALID” Series Polished Seal Bore Receptacle is designed for applications where a large ID must be maintained through the completion while accommodating extreme tubing movements. PBR can be used with Sealbore, Permanent or hydraulic packer as demanded by the application. ALID Polished Seal Bore Receptacle modular design allows tool to be easily converted from tension release to hydraulic release. The tension release and the hydraulic release incorporate a polished seal bore receptacle as well as a PBR seal assembly and a debris barrier above and below the working seals. The polished seal bore receptacle can be retrieved in two trips. The seal assembly is retrieved when the tubing string is recovered. The PBR seal bore is retrieved with a PBR retrieving tool. The polished seal bore receptacle is available in varying lengths of up to 40 ft. in stroke. An adjustable shear mechanism locks the outer housing and seal mandrel together during run-in. Once the seal assembly is released, it is free to move in the bore, compensating for tubing movement. The PBR assembly can be pinned in the fully stroked, closed or midway position to accommodate pre-spacing in one-trip completions.
WellRx “VITAT” Series Expansion Joints
The WellRx “VITAT” Series Expansion Joints come in 3 configuration. VITAT-S (Splined Type), VITAT-SW (Swivel Type) and VITAT-SC (Clutch Type). VITAT Expansion Joint compensates for tubing movement during production, shut-in or stimulation in single or multiple-string completions. The pressure seal is maintained with a premium seal system. The Spline feature allows the tubing to transmit torque throughout the stroke of the tool. The Swivel feature allows the tubing to rotate, facilitating make-up of the connections. Clutch feature is particulary important for the Expansion Joints in Thermal Applications offered by WellRx.
WellRx “VAPR” Series Shear Out Safety Joints
The WellRx “VAPR” Shear-Out Safety Joint allows positive release of the tubing string in completions where retrieval problems are anticipated. The shear-out safety joint is used between packers in single, dual, and triple completions. It is also used when rotational releasing is not desired. These safety joints are easily adjusted in the field for various straight-pull release shear values and to compensate for hydraulic conditions that exist when the string is landed or that are created by well-treating operations.
WellRx “RASAN” Series Chemical Injection System
The WellRx “RASAN” Chemical Injection System provides a complete solution to any application requiring downhole chemical injection in a controlled manner.
At the heart of the Chemical Injection System is “RASAN-M” series Chemical Injection Mandrels and ‘RASAN-V’ series single Check Valve and rupture cartridge assembly. This allows the Chemical Injection Mandrel to be run in hole in a ‘blanked condition’ and selectively opened for injection, with the application of the required shear pressure.
The optional control line by-pass facility allows encapsulated control lines to pass uninterrupted through the Chemical Injection Mandrel. Restraining clamps ensure that the by-pass lines remain protected below the major OD of the Mandrel. The Chemical Injection Mandrel is supplied with suitable guard plates to protect the chemical injection valve during tubing running & pulling out operation. The guard are designed & placed suitably to allow easy connection/disconnection of the control line with the chemical injection valve.
WellRx’s RASAN-V valve is a spring-loaded chemical-injection valve designed to control the injection of chemicals, fluids, and water for treating corrosion and harmful paraffin, salt, and hydrate deposits inside tubing and around downhole tools. Before installation, the injection rate of the valve is adjusted by the port size and tension of the internal INCONEL® power spring. The preset spring tension maintains the valve in a normally closed position.
WellRx “SAPR” Series On-Off Tool
The WellRx “SAPR” Series T-2 on-off tool enables the tubing string to be disconnected above a packer for zonal isolation, tubing retrieval, and temporary zone abandonment. The tool contains an internal lock profile for landing a wireline plug to provide zonal isolation below the packer. The tool has two basic components, the overshot mounted on the tubing string and the stinger mounted on the packer. The overshot disengages with either a standard left release or an optional right quarter-turn release. The washover shoe on the overshot cuts through debris allowing easy engagement of the stinger. The seals in the tool are retrieved with the overshot to enable redressing at the surface. Available with all common wireline profiles, the stinger works with industry standard blanking plugs, standing valves, and regulators
WellRx “PRAVAS” Series Hydro Trip Subs
The WellRx “PRAVAS” Series Hydro-Trip sub is installed in the tubing string below a hydraulically actuated tool like WellRx Drav series hydraulic packers to provide a method of applying tubing pressure required to activate the tool.
WellRx “APAG” Series Pump Out Plugs
The WellRx “APAG” Series Pump Out Plug temporarily plugs the tubing and serves as a temporary bridge plug when used with a packer. After the production string has been landed of the well is prepared for production, the internal plug will shear out when the appropriate differential pressure is applied to the tubing, leaving a full opening.
WellRx “PATH” Series Wireline Entry Guide and Indexing Mule Shoe
The WellRx “PATH” Series Wireline Entry Guide/Indexing Muleshoe facilitates entry into packer seal bores by rotating the mule shoe bevel as the tubing is slacked off. The indexing mechanism will increment the mule shoe angle with each subsequent downward motion, up to 360° in four set-down motions.
WellRx “VART” O-Ring Seal Shoe
The WellRx “VART” Series O-Ring Seal Sub facilitates completion and gravel pack operations by providing pressure and fluid sealing at selected point in completion assembly. The O-ring sub is a simple and short tubing sub with elastomeric sealing for the polished stinger used on the inner string. During sand control operations, these accessories direct fluid flow to assist with effective fluid or gravel movement. They can be placed at the bottom of the screen assembly. This ensures treatment fluids are pumped all the way to the end or bottom of the production screens to promote complete screen covering with gravel
WellRx “SAJ” Series Flow Couplings
The WellRx “SAJ” Series Flow Couplings are used where erosional turbulence caused by changes in the tubing OD is located in the thicker wall of the flow coupling, rather than in the production tubing. Flow couplings are generally connection OD and are available in various lengths as per requirement.
WellRx “ARUS” Series Pup Joints
The WellRx “ARUS” Series Pup Joints are a short section of casing or tubing used as a depth identifier to a collar located lor or used at the top of the well when spacing out a string prior to hanging the string. Pup Joints are also used for sub-assembly makeup of the completion equipment in workshop.
WellRx “VIYAT” Series Pup Joints
The WellRx “VIYAT” Series Crossovers are available in all range of sizes, weights, lengths and grades with any combination of connections.
WellRx “AVAT” Series Perforated Liners
The WellRx “AVAT” Series Perforated Liners are a wellbore tubular in which slots or holes have been made before the string is assembled and run into the wellbore. Perforated liners typically are used in small-diameter wellbores or in sidetracks within the reservoir where there is no need for the liner to be cemented in place, as is required for zonal isolation.
WellRx “VISP” Series Blast Joints
The WellRx “VISP” Series Blast Joints are a section of heavy walled tubing that is placed across any perforated interval through which the production tubing must pass, such as may be required in multiple zone completions. In addition to being heavier than normal completion components, the wall of a blast joint is often treated to resist the jetting action that may result in the proximity of the perforations.
WellRx “VRSA” Series Bull Nose
The WellRx “VRSA” Series Bull Plug is a solid plug used as an isolation device in piping systems, conduits or wellbore tubulars.
WellRx “ANLA-D” Series Hydraulic Tubing Anchor
The WellRx “ANLA-D” series Hydraulic Tubing Anchor is a hydraulically-activated retrievable anchor designed to hold the tubing string in tension or compression. The Hydraulic Tubing Anchor catcher prevents movement of the tubing during pumping strokes and holds it stationary if it should part. The use of a tubing anchor increase pump efficiency, reduces rod and tubing wear, and keeps tubing and rods from falling into the well in case of a part.
WellRx “INLAG” Series Torque Anchor
The WellRx “INLAG” Series Torque Anchor is primarily designed to prevent tubing from backing-off. Used to tighten a string of tubing that has been in the well on anchor pumps or may be used with tubing or coiled tubing.The unique spring supported torque blade design allows for easy running and retrieval in a variety of down hole conditions. Full bore configuration and milled slots on Anchor body allows maximum bypass in the annulus and its function is not affected by the presence of produced sand.
WellRx “RIGDOR” Series Sliding Sleeve
The WellRx “RIGDOR” series Sliding Sleeves are a completion device that can be operated to provide a flow path between the production conduit and the annulus. Sliding sleeves incorporate a system of ports that can be opened or closed by a sliding component that is generally controlled and operated by slickline tool string. Several combinations like Elastomeris, Non-Elastomeric, Frac Capable, Non-Profile, Bypass, Open up, Open Down etc are available as per customer requirement. RIGDOR has one connection, which minimizes potential leak paths. The non-elastomeric seal is chemically inert for hostile environments, including exposure to oil-based muds and amine inhibitors.
WellRx “VRNT” Series Landing Nipples
The WellRx “VRNT” Series Landing Nipples are a completion component fabricated as a short section of heavy wall tubular with a machined internal surface that provides a seal area and a locking profile. Landing nipples are included in most completions at predetermined intervals to enable the installation of flow-control devices, such as plugs and chokes. Three basic types of landing nipple are commonly used: no-go nipples, selective-landing nipples and ported or safety-valve nipples. WellRx offers Landing Nipples in wide range of profile types and sizes.
WellRx “PRAH” Series Flow Control Accessories
The WellRx “PRAH” Series Flow Control Accessories are equipment like Plugs, Prongs, Standing Valves, Running Tools, Pulling Tools, Prongs etc.
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