Bottom-hole Pressure

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bottom-hole pressure [′bäd·əm ‚hōl ‚presh·ər]

(petroleum engineering)

Gas-drive pressure recorded at the bottom of an oil-well shaft; used to analyze oil-reservoir performance and evaluate the performance of downhole equipment.

The pressure in a well measured at a point opposite the producing formation.

Bottom-hole Pressure

the pressure at the bottom of a working oil, water, or gas well. The pressure at the bottom of a standing or temporarily shut-in well is called the formation pressure. The bottom-hole pressure may be determined reliably by measuring with a depth manometer. Since producing beds (for example, oil beds) are never horizontal, hydro-dynamic analyses of bottom-hole and formation pressures are usually conducted as applied to some horizontal plane, taking into consideration the pressure of a column of bed fluid between the plane and the bottom of a given well. Consequently, a distinction is made between actual and reduced bottom-hole (formation) pressure.

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No references found			Shut-in casing and tubing pressures are 2,600 psi, indicating virgin bottom-hole pressure. CREDO Announces Deeper Pool Discovery in Major County, Oklahoma by Business Wire Calliope can achieve substantially lower flowing bottom-hole pressure than conventional production methods because it does not rely on reservoir pressure to lift liquids. CREDO Provides Overview of Fiscal 2006 Drilling and Calliope ... by Business Wire Initial bottom-hole pressures and well logs indicated gas production. Saxon Oil Actively Involved in Several Upstream Oil and Gas Projects by Business Wire			bottom loading pressure bottom moraine bottom pillar bottom plate bottom quark bottom rail bottom register bottom rot bottom sampler bottom sediment bottom settlings bottom shore bottom steam bottom stone bottom tap bottom terrace bottom time bottom water bottom wiper plug Bottom, Nick bottom-hole assembly bottom-hole cash bottom-hole choke bottom-hole packer bottom-hole plug Bottom-hole Pressure bottom-hole pressure bomb bottom-hole pump bottom-hole samples bottom-hole separator bottom-hole temperature bottom-unique bottom-up analysis bottom-up implementation bottom-up model bottom-up testing bottomed hole BottomFeeder bottoming drill bottomland bottomless hole Bottomless Lakes State Park Bottomley, Gordon bottomonium Bottomry bottoms bottomset beds Bottrop botulin botulinus botulinus toxin			bottom terrace bottom time Bottom Up Bottom Up Approach to Investing Bottom Up Equity Management Style Bottom Up Investing Bottom Up Planning Bottom Up Review Bottom Up Review Update Bottom Up Working Group Bottom Water bottom wiper plug Bottom's Up Bottom, Nick bottom-dweller Bottom-dwelling Bottom-dwelling Bottom-feeder Bottom-feeder Bottom-feeder bottom-feeding bottom-feeding bottom-feeding bottom-fishing bottom-hole assembly bottom-hole cash bottom-hole choke bottom-hole packer bottom-hole plug Bottom-hole Pressure bottom-hole pressure bomb bottom-hole pump bottom-hole samples bottom-hole separator Bottom-Hole Shut-In Pressure Bottom-Hole Temperature Bottom-Hole Temperature bottom-line Bottom-Line Impact Groups Bottom-of-Basket Bottom-Simulating Reflector bottom-unique bottom-up Bottom-up (finance) Bottom-up (finance) bottom-up analysis Bottom-Up Analysis of Logic Programming Languages Bottom-Up Approach Bottom-Up Approach to Investing Bottom-up equity management style Bottom-Up Greedy bottom-up implementation Bottom-Up Investing bottom-up model Bottom-Up Nanomachines Bottom-Up Planning

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