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 ?
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.
Contract notice: Implementation of geophysical well logging in open hole and cased hole in 2 deep drilling of a geothermal doublet at holzkirchen.
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.
program, is at a depth of 2,030 metres and conducting an open hole drill stem
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.
Coventry Samaritans are appealing for vandals to leave a manhole cover outside their Coventry office alone, after a volunteer fell down the 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.
the innovator of open hole multi-stage completion systems, has acquired Texas-based ReTek Energy Products, LLC.
open hole multi-stage completion system and have seen initial production rates increase as much as 300%.
During the past week, open hole DST #1A was conducted over the interval 1626 -