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Distributed Permanent Measurement Systems

Identify downhole changes to mitigate reservoir and completion problems

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See small downhole problems before they turn into big ones

Distributed temperature sensing (DTS) and distributed pressure measurements over extended intervals can identify the source of changes in well performance as they occur, enabling accurate diagnostics on gas lift systems; helping to monitor completion integrity; and quickly identifying a faulty valve, unstable flow, inflow, and outflow without interrupting production.

Distributed acoustic sensing (DAS) technology measures vibrations, enabling detection of seismic events and small flow changes that are difficult to capture with conventional DTS technology. The data helps to calibrate inflow profiling and can distinguish, for example, gas or solids (sand) from liquid flow.

Schlumberger Worker Reviewing Distributed Measurement Systems Data
1995
Downhole fiber-optic sensing
2004
Subsea fiber-optic deployment
2006
Hybrid fiber-optic deployment
2008
Sandface fiber-optic deployment
2010
Fiber-optic pressure gauge
2015
Hydraulic fracturing assurance
Enhance Your Unconventional Field Strategy with Fiber Optics
When you deploy optical fiber in several wells as part of your unconventional field development program, you’re investing in long-term knowledge about your wells and reservoir.
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Distributed Permanent Measurement System Applications
Distributed Permanent Measurement System Applications Service/Product Distributed Permanent Measurement System Applications DTS Distributed Permanent Measurement System Applications DAS
Distributed Permanent Measurement System Applications, Distributed Permanent Measurement System Applications, Distributed Permanent Measurement System Applications Downhole Systems
Distributed Permanent Measurement System Applications WellWatcher Neon
DTS, DAS, and PT gauge system combines a fiber-optic line and an electrical conductor in a single permanent downhole cable.		 Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications Y
Distributed Permanent Measurement System Applications WellWatcher BriteBlue
multimode DTS fiber provides an almost 50-fold increase in light transmission, exceptional resistance to hydrogen, longer life, faster response times, and better spatial resolution than conventional fibers.		 Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications Y
Distributed Permanent Measurement System Applications WellWatcher BriteBlue HT
high-temperature multimode DTS fiber extends the capabilities of the WellWatcher BriteBlue fiber for wells up to 300 degC [572 degF].		 Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications Y
Distributed Permanent Measurement System Applications WellWatcher Flux
multizonal reservoir monitoring system acquires reservoir data in real time across the sandface of wells with multistage completions.		 Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications N
Distributed Permanent Measurement System Applications, Distributed Permanent Measurement System Applications, Distributed Permanent Measurement System Applications Surface Fiber-Optic Acquisition Systems
Distributed Permanent Measurement System Applications WellWatcher Hyperion
portable DTS acquisition system uses Raman spectroscopy along fibers to measure the temperature at each fiber location.		 Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications N
Distributed Permanent Measurement System Applications WellWatcher Ultra
DTS acquisition system corrects for losses in accuracy that result when high pressures or temperatures cause optical fiber to deteriorate.
 Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications N
Distributed Permanent Measurement System Applications WellWatcher Ultra ASE
accurate single-ended DTS acquisition system dynamically corrects for HPHT-related fiber deterioration along the entire length of the sensing multimode fiber.
Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications N
Distributed Permanent Measurement System Applications hDVS
distributed acoustic sensing system provides a local measurement of the dynamic strain, which is converted into seismic waveforms or vibration logs.
 Distributed Permanent Measurement System Applications N Distributed Permanent Measurement System Applications Y
Distributed Permanent Measurement System Applications, Distributed Permanent Measurement System Applications, Distributed Permanent Measurement System Applications Software
Distributed Permanent Measurement System Applications THERMA
distributed temperature and DAS analysis software provides 2D and 3D visualization, processing, and analysis.		 Distributed Permanent Measurement System Applications Y Distributed Permanent Measurement System Applications Y

Distributed permanent measurement acquisition hardware and software

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  • Surface hardware
  • Downhole hardware
  • Acquisition software
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Distributed Permanent Measurement Systems Offerings

WellWatcher Flux
Multizonal reservoir monitoring system
Characterize reservoir flow continuously and in real time without production interruptions—even in wells with multistage completions.
WellWatcher Neon
DTS, DAS, and PT gauge system
Improve reservoir understanding by combining a fiber-optic line and an electrical conductor in one permanent downhole cable.
WellWatcher BriteBlue HT
High-temperature multimode DTS fiber
Enhance production management with reservoir surveillance in wells up to 572 degF [300 degC] and with hydrogen.
WellWatcher BriteBlue
Multimode DTS fiber
Enhance production management with rapid identification of reservoir flow changes in applications up to 347 degF [175 degC].
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Product Sheet WellWatcher SoloConn Single-Well Acquisition Unit

Local and remote acquisition of data from pressure and temperature gauges.
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Tech Paper Application of Concurrent Heat Transfer within the Wellbore for Passively Enhancing Oil Recovery by Reducing Deposition of Heavy Components of Crude

Artificial intelligence system to monitor, control, and respond to heat loss in the wellbore.

Product Sheet WellWatcher Connect Wellsite Data Transmission System

Remote collection, secure storage, and fast transmission of surface and downhole data.
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Book The Essentials of Fiber-Optic Distributed Temperature Analysis

Current state of the art of distributed time- and depth-based temperature analysis used with our DTS systems.
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Tech Paper Enhanced Waterflooding in Multistage Fractured Horizontal Wells—An Integrated Design Workflow and Unique Application of Active Injection Control Devices

Solve uneven injection, poor sweep efficiency, and the watering of producers caused by short-circuiting with injectors.
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Tech Paper First Subsea Deployments of Permanent Electrical Distributed Temperature Array Enable OOZI Monitoring in Perdido

A data interpretation platform helps identify out-of-zone injection (OOZI) and assess whether injected water has been rerouted from the reservoir to some other sink.

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