Large-Bore Multilateral Completions | TAML 3, TAML 4, TAML 5 | Schlumberger
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RapidXtreme

TAML 3, 4, or 5 large-bore multilateral junction

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UN SDGs
Supports United Nations Sustainable Development Goals 12 and 13
Embodied Carbon
Minimize steel, cement, and other well construction materials to save 1,500–18,500 t† of CO2e
Generated Carbon
Limit use of drilling rigs, vessels, and other equipment in land and subsea well construction to save 500–3,500 t‡ of CO2e

Maximize reservoir contact with fewer wells using field-proven, large-bore multilateral technology

Multilateral well completions maximize reservoir contact per well, reducing the number of wells required. Having fewer wells simplifies surface and subsea infrastructure designs and reduces field development costs.

RapidXtreme TAML 3, 4, or 5 large-bore multilateral junction delivers maximum reservoir contact, faster time to production, and more configurability for your applications, as compared with conventional single-bore well development or sidetracks after plug and abandonment (P&A).

Its simpler installation, high pressure rating, and robust, field-proven technology reduce operator risk, and its large bore enables higher production rates and more completion flexibility as compared with conventional multilateral systems, especially in retrofit applications.

RapidXtreme multilateral junctions provide pressure isolation to 5,000 psi [34.5 MPa] using the TAML 5-rated Y-block dual-tubing completion module. This efficient, configurable, and robust technology combines simple installation using standard liner hanger technology with large-bore completion flexibility. RapidXtreme junction is upgradable across TAML 3, 4, and 5 levels, which reduces inventory variability and operational complexity.

RapidXtreme TAML 3, 4, or 5 large-bore multilateral junction
Decarbonize Your Operations
RapidX and RapidXtreme multilateral junctions are part of our Transition Technologies portfolio, offering collaborative full-field development solutions to sustainably drive high performance for decreased carbon impact. They maximize the value of existing infrastructure and reduce total well count, simultaneously minimizing emissions and maximizing business benefit.
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Casing size: 9⅝ in
Pressure rating: up to 5,000 psi [34,500 kPa]

Install with confidence using standard liner hanger technology―ideal for extended-reach wells

The RapidXtreme junction features a 5,000-psi-rated drilling diverter for safer drillout through 7-in cemented lateral liners. Ideally for extended-reach applications or complex trajectories, the junction enables rotating and reaming lateral liners to bottom and rotating liners during cementing, helping to ensure wellbore stability and zonal isolation.

The selective lateral intervention completion (SLIC) module enables thru-tubing selective intervention in all RapidXtreme junctions to accurately target the intended lateral for interventions such as stimulation or sand cleanouts.

The junction is fully stackable to support multiple laterals and is compatible with a wide range of completion systems. It stabilizes the formation at the casing exit and is well suited for unstable or caprock applications.

The large ID also accommodates high flow rates and multilateral intelligent completions, enabling junction or in-lateral control of flow using hydraulic, electrohydraulic and all-electric intelligent completion systems.
TAML 3
Cased and cemented main bore with an openhole lateral. A slotted liner or screen is set in the lateral and anchored in the main bore, offering mechanical support of the junction.
TAML 4
Cased and cemented main bore and lateral. The cemented lateral provides mechanical support, but the cement does not provide pressure integrity for the junction.
TAML 5
Cased and cemented main bore and lateral. Pressure integrity across the junction is achieved through use of tubing and isolation packers.

Support industry carbon intensity reduction goals―and your sustainability KPIs

Multilateral well construction and completions reduce generated and embodied carbon during field development. Drilling rigs that are used to drill the boreholes represent sources of generated carbon of varying intensity based on their power source and consumption. Steel casing and cement that are used to construct wells represent sources of embodied carbon of varying intensity based on their source of origination.

By targeting accretive reserves with a multilateral junction versus drilling a new well or sidetracking a poorly placed well, operators avoid carbon-generating activities by eliminating rig time―in some cases, 10 days or more. Operators reduce embodied carbon sources by eliminating procurement and installation of multiple steel casing strings and cement to surface; instead, they initiate the multilateral junction casing exit deep in the producing well. Operators further reduce embodied and generated carbon sources in the subsea environment by eliminating procurement and installation of additional subsea production system components, including subsea umbilicals, risers, and flow lines (SURF) that require specialized subsea construction vessels.

The carbon savings equates to 5 to 55 million miles [8 to 89 million km] driven by an average passenger vehicle, as determined using a US EPA greenhouse gas equivalencies calculator.  

† Sources of embodied carbon include but are not limited to steel and cement used to construct wells and associated production infrastructure. Quarried rock used to protect subsea infrastructure in the case of offshore subsea field developments where required represents a significant source of embodied carbon.
‡ Sources of generated carbon include but are not limited to the energy sources used to operate drilling rigs, operational support vessels, and specialized vessels used to construct and install subsea production systems (SPS) and SURF.
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Product Sheet RapidXtreme TAML 3, 4, or 5 Large-Bore Multilateral Junction

Robust technology delivers maximum reservoir contact for new well developments or reentry of existing wells.

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