water-well drilling
31Measurement while drilling — Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · …
32rotary drilling — Drilling a well by the rotation of a bit. A method frequently used in boring for oil. Boring is done by rotation of a bit attached to a steel pipe, which, when so used is called a drill stem. A smaller bore, called a rat hole, sometimes precedes …
33Offshore drilling — refers to a mechanical process where a wellbore is drilled through the seabed. It is typically carried out in order to explore for and subsequently produce hydrocarbons which lie in rock formations beneath the seabed. Most commonly, the term is… …
34Christmas tree (oil well) — Oil well Christmas tree In petroleum and natural gas extraction, a Christmas tree, or tree , (not wellhead as sometimes incorrectly referred to) is an assembly of valves, spools, and fittings used for an oil well, gas well, water injection well,… …
35Directional drilling — A horizontal directional drill in operation Directional drilling (or slant drilling) is the practice of drilling non vertical wells. It can be broken down into three main groups: Oilfield Directional Drilling, Utility Installation Directional… …
36Deep Sea Drilling Program — Glomar Challenger The Deep Sea Drilling Project (DSDP) was an ocean drilling project operated from 1968 to 1983. The program was considered to be successful as evidenced by the data and publications that have resulted from it and is now supported …
37Integrated 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… …
38Diamond drilling porcelain — Porcelain tiles are growing in popularity in both the domestic and commercial markets. Producers are now able to replicate a range of natural stones, finishes and designs but with the additional benefit of being durable, strong and easy to clean …
39Annulus (oil well) — The annulus [http://www.glossary.oilfield.slb.com/Display.cfm?Term=annulus] (yellow area in diagram) of an oil well refers to any void between any piping, tubing or casing and the piping, tubing or casing immediately surrounding it. The presence… …
40Depth in a well — In the oil and gas industry, depth in a well is the measurement, for any point in that well, of the distance between a reference point or elevation, and that point. It is the most common method of reference for locations in the well, and… …
