downhole drilling

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• Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …   Wikipedia

• Drilling — is the process of constructing a mine mostly of a cylindrical form (shot hole, well, mine shaft) by means of rock disintegration at the downhole with spalls removal. Drilling is mainly performed in the Earth crust. There are the following… …   Glossary of Oil and Gas

• Drilling stabilizer — Integral drilling stabilizer with tungsten carbide bricks (TCB) hardfacing A Drilling Stabilizer is a downhole equipment used in the bottom hole assembly (BHA) of a drill string. Its purpose is to mechanically stabilize the BHA in the borehole in …   Wikipedia

• Drilling rig — is a metal facility placed over a wellhead for running a drilling tool, a downhole motor or casing pipes in the well and pulling them out. There are tower and A type (mast type) drilling rigs. Most common drilling rigs are the ones of A type,… …   Glossary of Oil and Gas

• Directional 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… …   Wikipedia

• Measurement while drilling — Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · …   Wikipedia

• Underbalanced drilling — Underbalanced drilling, or UBD, is a procedure used to drill oil and gas wells where the pressure in the wellbore is kept lower than the fluid pressure in the formation being drilled. As the well is being drilled, formation fluid flows into the… …   Wikipedia

• Blowout (well drilling) — A blowout is the uncontrolled release of crude oil and/or natural gas from an oil well or gas well after pressure control systems have failed.[1] Prior to the advent of pressure control equipment in the 1920s, the uncontrolled release of oil and… …   Wikipedia

• Integrated 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… …   Wikipedia

• Precision Drilling — Infobox Company company name = Precision Drilling Trust company company type = Oilfield services company type = Public (NYSE|PDS, TSX|PD.UN) company slogan = foundation = 1969 location = Calgary, Alberta, Canada key people = CEO: Kevin A. Neveu… …   Wikipedia

• Offshore 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… …   Wikipedia