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Distributed Permanent Measurement Systems

Identify downhole changes to mitigate reservoir and completion problems

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

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 Optiq Seismic fiber-optic borehole seismic solution 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