Logging While Drilling (LWD) Formation Evaluation | Schlumberger

Logging While Drilling (LWD) Services

Acquire high-quality data while drilling

Fast, high-quality data for accurate geosteering and formation evaluation

Increase ROP, improve wellbore stability and hole quality, and optimize well placement and reservoir exposure for maximum production—faster.

As the industry leaders in LWD technology, Schlumberger creates advanced LWD services that acquire high-quality data for accurate geosteering and more-informed formation evaluation, so you can work proactively as you drill.

Two drilling technicians in the doghouse of a rig during daylight operations

Look Ahead While Drilling

Continuous EM resistivity ahead of the bit

Geosteering and Reservoir Mapping While Drilling

Large-scale mapping of reservoir geometry, quality, and productivity

Reveal multiple formation boundary layers and fluid contacts
Optimize well landing and increase reservoir exposure

SpectraSphere

Fluid mapping-while-drilling service

Map reservoir fluid composition and distribution to maximize reservoir exposure.

GeoSphere HD

High-definition reservoir mapping-while drilling service

Map a depth of investigation that exceeds 250 ft—the largest in the industry—and covers the widest range of environment.

IriSphere

Look-ahead-while-drilling service

Improve casing-point selection and reduce drilling risks with continuous resistivity ahead of the bit.

PeriScope HD

Multilayer bed boundary detection service

Detect multiple formation layers and fluid boundary positions for advanced well placement.

Reservoir Engineering While Drilling

Formation pressure and fluids

Measure formation pressure for accurate formation evaluation, geosteering, and pore pressure prediction models
Identify pressure-depleted formations to avoid lost time and help preserve pressure zones

StethoScope

Formation pressure-while-drilling service

Monitor formation pressure while drilling to calibrate pore pressure models.

SpectraSphere

Fluid mapping-while-drilling service

Map reservoir fluid composition and distribution to maximize reservoir exposure.

Petrophysics While Drilling

Lithology, porosity, saturation, and permeability

Evaluate lithology, porosity, saturation, and permeability
Perform quantitative reservoir evaluation with measurements of petrophysical properties

OmniSphere

Slimhole petrophysics evaluation-while-drilling service

Get real-time insight into the mineral composition of formations and continuous-circulation directional survey service and pumps-off surveying.

EcoScope

Multifunction logging-while-drilling service

Obtain resistivity, neutron porosity, azimuthal gamma ray, density, elemental capture spectroscopy, and sigma measurements and borehole imaging—all in one collar.

NeoScope

Sourceless formation evaluation-while-drilling service

Reduce risk and logistical demands by eliminating the need for chemical sources to acquire multifunction LWD data.

adnVISION

Azimuthal density neutron service

Characterize formation porosity and lithology while drilling with azimuthal density measurements (ADN).

arcVISION

Array resistivity compensated service

Benefit from real-time resistivity, gamma ray, inclination, and annular pressure data.

proVISION Plus

Magnetic resonance-while-drilling service

Achieve accurate lithology-independent porosity and continuous permeability in real time.

SonicScope

Multipole sonic-while-drilling service

Realize the benefits of real-time multipole sonic data for advanced risk mitigation, cement evaluation, formation evaluation, and completion design.

sonicVISION

Sonic-while-drilling service

Identify top of cement, optimize mud weight, and predict pore pressures in real time with reliable velocity measurements.

geoVISION

Imaging-while-drilling service

Identify fractures with resistivity imaging.

Well Placement While Drilling

Real-time wellbore positioning

Determine true formation resistivity while drilling
Make accurate measurements for drilling optimization, fracture identification, and hydrocarbon pay identification

PeriScope HD

Multilayer bed boundary detection service

Detect multiple formation layers and fluid boundary positions for advanced well placement.

Geology While Drilling

Structure and stratigraphy

Gather comprehensive datasets for formation evaluation, drilling optimization, and well placement
Identify dipping beds, faults, and fractures

TerraSphere

High-definition dual-imaging-while-drilling service

Provides complete reservoir geological description in oil-based mud environments.

MicroScope HD

Resistivity- and high-definition imaging-while-drilling service

Get high-resolution LWD imaging for structural analysis, sedimentology, and fracture characterization.

Neutron Density Imaging Service

Azimuthal images of bulk density and caliper

Get azimuthal images of bulk density and caliper, along with conventional bulk density, neutron porosity, photoelectric index, caliper, and tool standoff.

SonicScope

Multipole sonic-while-drilling service

Realize the benefits of real-time multipole sonic data for advanced risk mitigation, cement evaluation, formation evaluation, and completion design.

Geophysics While Drilling

Seismic imaging and correlation

Measure one-way seismic propagation in real time
Calibrate the geophysics velocity model without rig downtime
Adjust trajectory, casing, and coring depth and predict depth of drilling targets

seismicVISION

Seismic-while-drilling service

Acquire borehole seismic measurements for real-time, time-depth-velocity information without disrupting drilling operations.

Geomechanics While Drilling

Rock mechanics and wellbore stability

Measure geomechanics in exploration, appraisal, and development drilling operations
Mitigate wellbore risk and perform quantitative cement and formation evaluation
Place casing points, understand mud-weight management, and identify the top of cement

SonicScope

Multipole sonic-while-drilling service

Realize the benefits of real-time multipole sonic data for advanced risk mitigation, cement evaluation, formation evaluation, and completion design.

sonicVISION

Sonic-while-drilling service

Identify top of cement, optimize mud weight, and predict pore pressures in real time with reliable velocity measurements.

View All

Share This