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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
On 27 August, four children fell into an open hole which could not be detected by them due to excessive rainwater on the road.
The NY Tank will be worn by Caroline Wozniacki , which features an open hole mesh overlay for a stylish layering look.
'After the well control operations, the open hole section drilling was resumed on Friday.
'After the well control operations, the 6" Open Hole section drilling was resumed on Friday .The reservoir was encountered at 5,492 meters and so far about 140 meters of reservoir have been drilled.
Based on well completion, the global sand control systems market has been segregated into open hole and cased hole.
The Court held that an open hole constituted a laden and unexpected risk, stating that the existence of an open hole on the roof of a building, which is occupied, is not a normal or expected risk even if there are building works carried on.
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.
[40] used acoustic emission technology to investigate cracking process around open hole. Li et al.
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.m.
Since most bags are designed as an "open hole" with pockets, women end up tossing their personal belongings into what quickly becomes a black hole of lost items.
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.