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Multilateral Completion Systems

Increase production by expanding reservoir exposure

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Add laterals to increase reserves with minimal investment

Multilateral technology enables you to confidently reenter existing wells to add laterals that increase reserves while minimizing investment. For example, you can drill an additional lateral to increase reservoir exposure or branch more than one lateral to increase reservoir exposure and target complex reservoirs.

Whether you’re working on land or offshore, Schlumberger has the technology you need to optimize your well. Offshore, for example, slot-limited platforms can benefit from adding laterals to an existing wellbore as compared with creating a new platform and drilling new wells to reach the same reserves.

Multilaterals
TAML 2
Cased and cemented main bore with an openhole lateral. An unsupported slotted liner or screen may be installed in the lateral.
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.

Multilateral Junctions

TAML 2 TAML 3 TAML 4 TAML 5
7-in casing RapidAccess
RapidMSS		 RapidTieBack
RapidConnect		 RapidTieBack RapidX
9 5/8-in casing RapidAccess RapidConnect
RapidXtreme		 RapidXtreme RapidXtreme
RapidX
10 3/4-in casing None RapidConnect None RapidX
Operator Saves More Than USD 1 Billion by Using Multilaterals
RapidX TAML Level 5 junctions connect 31 laterals to only 13 wellheads, maximizing reservoir contact while reducing opex and capex
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What are multilateral wells?

Multilateral Completion Systems Offerings

RapidMSS
TAML 2 trip-efficient, multistage stimulation multilateral junction
Save time on your completion by enabling fracturing in both the lateral bore and main bore in a single trip.
RapidTieBack
TAML 3 or 4 conventional multilateral junction
Reduce costs with multilateral technology that is compatible with conventional completion options.
SLIC
Selective lateral intervention completion system
Enable rigless through-tubing intervention (access or isolation) in multilateral wells.
RapidXtreme
TAML 3, 4, or 5 large-bore multilateral junction
Maximize performance with a junction rated to 10,000-psi differential pressure.
Wireline Reentry Guide
Reliable reentry from the casing to the tubing string
Guide a wireline or slickline toolstring back into the tubing.
RapidConnect
TAML 3 sand-exclusion multilateral junction
Stabilize and strengthen the casing and control sand at the multilateral junction.
RapidX
TAML 5 high-strength, hydraulic-sealed multilateral junction
Isolate up to 2,500 psi [17.2 MPa] at the junction, and combine simple installation with flexibility.
RapidAccess
TAML 2 self-orienting multilateral junction
Prepare selective access and multiple kickoff points for current and future sidetracks and multilateral wellbores.
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Video What are multilateral wells?

Introduction to completions
Premium

Tech Paper First Intelligent Multilateral TAML5 Wells on Filanovskogo Field

First Intelligent multilateral TAML5 wells on Filanovskogo Field is the great example of how new technologies help to optimize CAPEX, and, thanks to higher productivity index, achieve higher production rate.

Case Study Lukoil Saves USD 6.8 Million Using First Extended-Reach Intelligent TAML 5 Multilateral Well

Integrated technologies address numerous technical challenges in challenging oil rim environment in the Caspian Sea.

Video RapidTieBack

TAML 3 or 4 Conventional Multilateral Junction.

Tech Paper TAML-5 Intelligent ERD Offshore Well: A Case Story of Successful Application in the North Caspian

The TAML-5 intelligent extended reach drilling (ERD) offshore well was the first of this type in the North Caspian Sea. The initial preparation and detailed follow up allowed to complete the well in a timely manner, without non-productive time and without deviation from the plan.

Tech Report RapidTieBack Multilateral Junction Doubles Production in Yurkharovskoye Field Well

Multilateral well successfully drilled through a window depth of 19,865 ft.

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