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Considering the operations and procedures executed before an operator can intervene, the Double Block and Bleed manifold offers further advantages over the traditional hook up. Due to the volume of the cavity between the two balls being so small, the operator is afforded the opportunity to evacuate this space efficiently thereby quickly ...
This may comprise a ‘double block’ consisting of two valves in series. Still more effective is a ‘double block and bleed’ comprising two isolation valves in series plus a bleed valve between them. The bleed valve enables the integrity of the valve on the hazardous side to be monitored. [5]
DBB – double block and bleed; DBP – drillable bridge plug; DBR – damaged beyond repair; DCA – decline curve analysis; DC – drill centre; DC – drill collar/collars; DCAL – dual caliper log; DCC – distance cross course; DCS – distributed control system; DD – directional driller or directional drilling; DDC – daily drilling cost
[1] [citation needed] A hydraulic manifold is a block of metal with flow paths drilled through it, connecting various ports. [2] Hydraulic manifolds consist of one or more relative large pipes called a "barrel" or "main", with numerous junctions connecting smaller pipes and ports.
In the early hours of New Year’s Day, Elon Musk lobbed a series of angry posts and allegations towards British Prime Minister Keir Starmer – engulfing his government in a very public fight ...
While diaphragm valves usually come in two-port forms (2/2-way diaphragm valve), they can also come with three ports (3/2-way diaphragm valves also called T-valves) and more (so called block-valves). When more than three ports are included, they generally require more than one diaphragm seat; however, special dual actuators can handle more ...
MADISON, Wis. (AP) — A Wisconsin woman who at age 12 stabbed her sixth-grade classmate nearly to death to please online horror character Slender Man will be released from a psychiatric hospital ...
The first woman was elected to lead a country 64 years ago. Here’s a look at where, and when, women have secured national leadership positions since then.