Though not as common as overbalanced drilling, underbalanced drilling is achieved when the pressure exerted on the well is less than or equal to that of the reservoir. Performed with a light-weight ...

Underbalanced drilling (UBD) operations maintain the net pressure exerted by drilling fluids in the annular space between the drillstring and the formation being drilled at values less than the ...

Managed Pressure Drilling (MPD) and Underbalanced Drilling (UBD) techniques represent significant advancements in the safe and efficient extraction of hydrocarbons. MPD employs sophisticated control ...

1. Drilling mud weighted with bentonite or other heavy material is used to create a hydrostatic head pressure that keeps the well under control by overbalancing the formation pore pressure. This is ...

Weatherford Underbalanced Systems recently drilled three wells in the Jatibarang field, west Java, the first two of which produced an average of 3000 barrels per day of oil, some four times the output ...

Baker Hughes has won an award from Saudi Aramco to expand its integrated underbalanced coiled tubing drilling (UBCTD) operations in Saudi Arabia’s natural gas fields, the energy services contractor ...

HOUSTON/LONDON - Baker Hughes (NASDAQ:BKR), the $48.2 billion energy technology company currently trading near its 52-week high, announced Friday it has secured a multi-year agreement with Aramco to ...