borehole en
101Eastgate, County Durham — Eastgate is a village in County Durham, in England. It is situated in Weardale, a few miles to the west of Stanhope.Eastgate originally marked the eastern border of the private hunting park used by the Prince Bishops of Durham. This was second in …
102Fochville, North West — Fochville is a gold mining town situated in North West Province of South Africa and makes out a part of the Merafong Municipal District which also includes Kokosi, Carletonville and Khutsong.In the area surrounding Fochville are a number of Sotho …
103Temperature record — For extreme records instead of records as a set of data, see Temperature extremes For instrument derived temperature records, see Instrumental temperature record …
104Integrated Ocean Drilling Program — The Integrated Ocean Drilling Program (IODP) is an international marine research drilling program dedicated to advancing scientific understanding of the Earth by monitoring and sampling subseafloor environments. Through multiple platforms a… …
105Scientific drilling — is a way to probe down into the Earth, allowing scientists and students to obtain samples of sediments, crust, and upper mantle. In addition to rock samples, drilling technology allows us to obtain samples of connate fluids and of the subsurface… …
106Vertical seismic profile — In geophysics, Vertical Seismic Profile (VSP) is a technique of seismic measurements used for correlation with surface seismic data. The defining characteristic of a VSP (of which there are many types) is that either the energy source, or the… …
107Boring (mechanical) — In machining, boring is the process of enlarging a hole that has already been drilled (or cast), by means of a single point cutting tool (or of a boring head containing several such tools), for example as in boring a cannon barrel. Boring is used …
108Standard penetration test — The standard penetration test (SPT) is an in situ dynamic penetration test designed to provide information on the geotechnical engineering properties of soil. The test procedure is described in the British Standard BS 1377 9:1990 and ASTM D1586.… …
109Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …
110Project Mohole — Mohole redirects here. Moholes are also features in the Mars trilogy. CUSS I Underseas beacons for positioning by …
