HDD Good Practices Guidelines
Chapter 7
Factors Influencing Directional Drilling Projects &
Drilling Fluids
HDD operations are
dependent upon several external factors. This section is dealing with such
factors. To initiate we shall be discussing the summary of parameters
affecting the execution of horizontal drilling. Subsequently we shall be
discussing the drilling fluids which have the maximum impact over the HDD
operations.
PARAMETERS INFLUENCING
HDD JOB SITE:
-
nature of the
terrain
-
ground water and
soil permeability
-
presence of
obstacles if any
-
type of pipe or the
pipes to be installed,
-
length of the drive,
-
radius of the
curvature,
-
characteristics of
the mud and incidence of lubrication,
-
characteristics of
the rig,
-
regularity of the
profile, steering and guiding,
-
preliminary
negligence,
-
surroundings of the
site and its environment,
-
execution (details)
timing or timeframe,
-
climatic conditions.
...for
more details
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