- underbalanced reservoir drilling
- Drilling: UBD
Универсальный русско-английский словарь. Академик.ру. 2011.
underbalanced reservoir drilling
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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
Drilling fluid invasion — is a process that occurs in a well being drilled with higher wellbore pressure than formation pressure. The liquid component of the drilling fluid (known as the mud filtrate) continues to invade the porous and permeable formation until the solids … Wikipedia
Drilling engineering — is a subset of petroleum engineering. Drilling engineers design and implement procedures to drill wells as safely and economically as possible. They work closely with the drilling contractor, service contractors, and compliance personnel, as well … Wikipedia
Drilling 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… … Wikipedia
Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… … 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
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
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
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
Deep 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 … Wikipedia
Oil well — The pumpjack, such as this one located south of Midland, Texas, is a common sight in West Texas. An oil well is a general term for any boring through the earth s surface that is designed to find and acquire petroleum oil hydrocarbons. Usually… … Wikipedia
