open hole

open hole

[′ō·pən ′hōl]
(engineering)
A well or borehole, or a portion thereof, that has not been lined with steel tubing at the depth referred to.
An unobstructed borehole.
A borehole being drilled without cores.
(petroleum engineering)
In an oil-drilling operation, the unprotected hole which lies below the shoes of the last landed string of casing.
References in periodicals archive ?
announces that during the current open hole wireline logging and subsequent reaming (cleaning the well bore) operations, Zion encountered free-flowing hydrocarbons while circulating drilling mud.
Zion Oil & Gas announces that during the current open hole wireline logging and subsequent reaming operations, Zion encountered free-flowing hydrocarbons while circulating drilling mud.
Senior Inspector Arthur Gomez, Albay police spokesperson, said that the victim, Miguel De Jocos, was swimming with his older brother and cousins at the former Perlite Mining open hole in the village, a privately-owned area, without permission at 2 p.
In the morning the three of us, my son Stone included, walked to the open hole pulling plastic sleds full of decoys and gear across the frozen impoundment.
Next, pour a handful of dried peas or beans into the spool through the open hole, then seal the hole with tape.
The UROS-CT is designed for use in tight tolerance casings where the centraliser is required to compress fully to travel between tight casing strings yet will expand to the designed open hole size.
Oil exploration and production company Jupiter Energy Ltd (LSE:JPRL) (ASX:JPR) reported today that the J-53 well in Kazakhstan has reached its final depth, with mud logs, core and open hole wireline logs indicating hydrocarbons in the Mid Triassic horizon.
The company stated that the joint-venture partnership has been chosen, based on gas presence while drilling, to conduct a flow test across the open hole section.
Precision's Energy Services division is a global provider of cased hole and open hole wireline services, drilling and evaluation services and production services.
With the peg in one hand, the student rotates the ball with the other hand until he's sure there is no open hole.
In order to complete the wells, a cased hole gamma/neutron log will be run to provide a correlation to the open hole log.
Contract notice: Implementation of geophysical well logging in open hole and cased hole in 2 deep drilling of a geothermal doublet at holzkirchen.