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LWD - A CLEARER VISION OF THE FORMATIONS
Simultaneous drilling and logging improves the drilling operator's ability to
make effective decisions in real time in the critical phase of drilling. The
LWD (Logging While Drilling) measurements reveal the nature of the
perforated rock formations and identify the probable location of the
hydrocarbons. Real-time formation resistivity, information on lithology and
porosity acquired during drilling allows geologists to evaluate and visualize
the formation around the well, before damage to the formation occurs or a
mud invasion is caused . The LWD measurements allow the geologist to
select the points to lower the casing and, detect and quantify the potential
zones when they are intercepted, and identify the limits of the fluid in real
time while drilling. The new measurements of image and perforation (IWD)
make possible the detection of the fracture and the determination of the
dip. Real-time drilling and profiling data can be integrated into the
workstations with 3D seismic data. This clearer view of the well and its
position within the reservoir gives the operator a source of information
that improves decision making as drilling progresses, reducing risk in areas
that are geologically complex or not well known.

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  • 1. LWD - A CLEARER VISION OF THE FORMATIONS Simultaneous drilling and logging improves the drilling operator's ability to make effective decisions in real time in the critical phase of drilling. The LWD (Logging While Drilling) measurements reveal the nature of the perforated rock formations and identify the probable location of the hydrocarbons. Real-time formation resistivity, information on lithology and porosity acquired during drilling allows geologists to evaluate and visualize the formation around the well, before damage to the formation occurs or a mud invasion is caused . The LWD measurements allow the geologist to select the points to lower the casing and, detect and quantify the potential zones when they are intercepted, and identify the limits of the fluid in real time while drilling. The new measurements of image and perforation (IWD) make possible the detection of the fracture and the determination of the dip. Real-time drilling and profiling data can be integrated into the workstations with 3D seismic data. This clearer view of the well and its position within the reservoir gives the operator a source of information that improves decision making as drilling progresses, reducing risk in areas that are geologically complex or not well known.